MERGE NEWREG

Newreg

src/formats.rs

@@ -1,3 +1,12 @@
+use std::any::Any;
+use crate::AppContext;
+
+pub struct Format {
+    pub name: &'static str,
+    pub detector_func: fn(&AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>>,
+    pub extractor_func: fn(&AppContext, Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>>,
+}
+
 pub mod mstar;
 pub mod samsung_old;
 pub mod nvt_timg;
@@ -32,3 +41,155 @@ pub mod mtk_pkg;
 pub mod mtk_pkg_old;
 pub mod mtk_pkg_new;
 pub mod mtk_bdp;
+
+//define all formats here
+pub fn get_registry() -> Vec<Format> {
+    return vec![
+        Format {
+            name: "mstar",
+            detector_func: crate::formats::mstar::is_mstar_file,
+            extractor_func: crate::formats::mstar::extract_mstar,
+        },
+        Format {
+            name: "samsung_old",
+            detector_func: crate::formats::samsung_old::is_samsung_old_dir,
+            extractor_func: crate::formats::samsung_old::extract_samsung_old,
+        },
+        Format {
+            name: "nvt_timg",
+            detector_func: crate::formats::nvt_timg::is_nvt_timg_file,
+            extractor_func: crate::formats::nvt_timg::extract_nvt_timg,
+        },
+        Format {
+            name: "pfl_upg",
+            detector_func: crate::formats::pfl_upg::is_pfl_upg_file,
+            extractor_func: crate::formats::pfl_upg::extract_pfl_upg,
+        },
+        Format {
+            name: "sddl_sec",
+            detector_func: crate::formats::sddl_sec::is_sddl_sec_file,
+            extractor_func: crate::formats::sddl_sec::extract_sddl_sec,
+        },
+        Format {
+            name: "novatek",
+            detector_func: crate::formats::novatek::is_novatek_file,
+            extractor_func: crate::formats::novatek::extract_novatek,
+        },
+        Format {
+            name: "ruf",
+            detector_func: crate::formats::ruf::is_ruf_file,
+            extractor_func: crate::formats::ruf::extract_ruf,
+        },
+        Format {
+            name: "invincible_image",
+            detector_func: crate::formats::invincible_image::is_invincible_image_file,
+            extractor_func: crate::formats::invincible_image::extract_invincible_image,
+        },
+        Format {
+            name: "slp",
+            detector_func: crate::formats::slp::is_slp_file,
+            extractor_func: crate::formats::slp::extract_slp,
+        },
+        Format {
+            name: "roku",
+            detector_func: crate::formats::roku::is_roku_file,
+            extractor_func: crate::formats::roku::extract_roku,
+        },
+        Format {
+            name: "sony_bdp",
+            detector_func: crate::formats::sony_bdp::is_sony_bdp_file,
+            extractor_func: crate::formats::sony_bdp::extract_sony_bdp,
+        },
+        Format {
+            name: "rvp",
+            detector_func: crate::formats::rvp::is_rvp_file,
+            extractor_func: crate::formats::rvp::extract_rvp,
+        },
+        Format {
+            name: "funai_upg",
+            detector_func: crate::formats::funai_upg::is_funai_upg_file,
+            extractor_func: crate::formats::funai_upg::extract_funai_upg,
+        },
+        Format {
+            name: "pana_dvd",
+            detector_func: crate::formats::pana_dvd::is_pana_dvd_file,
+            extractor_func: crate::formats::pana_dvd::extract_pana_dvd,
+        },
+        Format {
+            name: "android_ota_payload",
+            detector_func: crate::formats::android_ota_payload::is_android_ota_payload_file,
+            extractor_func: crate::formats::android_ota_payload::extract_android_ota_payload,
+        },
+        Format {
+            name: "bdl",
+            detector_func: crate::formats::bdl::is_bdl_file,
+            extractor_func: crate::formats::bdl::extract_bdl,
+        },
+        Format {
+            name: "amlogic",
+            detector_func: crate::formats::amlogic::is_amlogic_file,
+            extractor_func: crate::formats::amlogic::extract_amlogic,
+        },
+        Format {
+            name: "pup",
+            detector_func: crate::formats::pup::is_pup_file,
+            extractor_func: crate::formats::pup::extract_pup,
+        },
+        Format {
+            name: "msd10",
+            detector_func: crate::formats::msd10::is_msd10_file,
+            extractor_func: crate::formats::msd10::extract_msd10,
+        },
+        Format {
+            name: "msd11",
+            detector_func: crate::formats::msd11::is_msd11_file,
+            extractor_func: crate::formats::msd11::extract_msd11,
+        },
+        Format {
+            name: "epk",
+            detector_func: crate::formats::epk::is_epk_file,
+            extractor_func: crate::formats::epk::extract_epk,
+        },
+        Format {
+            name: "epk1",
+            detector_func: crate::formats::epk1::is_epk1_file,
+            extractor_func: crate::formats::epk1::extract_epk1,
+        },
+        Format {
+            name: "epk2",
+            detector_func: crate::formats::epk2::is_epk2_file,
+            extractor_func: crate::formats::epk2::extract_epk2,
+        },
+        Format {
+            name: "epk2b",
+            detector_func: crate::formats::epk2b::is_epk2b_file,
+            extractor_func: crate::formats::epk2b::extract_epk2b,
+        },
+        Format {
+            name: "epk3",
+            detector_func: crate::formats::epk3::is_epk3_file,
+            extractor_func: crate::formats::epk3::extract_epk3,
+        },
+        Format {
+            name: "mtk_pkg",
+            detector_func: crate::formats::mtk_pkg::is_mtk_pkg_file,
+            extractor_func: crate::formats::mtk_pkg::extract_mtk_pkg,
+        },
+        Format {
+            name: "mtk_pkg_old",
+            detector_func: crate::formats::mtk_pkg_old::is_mtk_pkg_old_file,
+            extractor_func: crate::formats::mtk_pkg_old::extract_mtk_pkg_old,
+        },
+        Format {
+            name: "mtk_pkg_new",
+            detector_func: crate::formats::mtk_pkg_new::is_mtk_pkg_new_file,
+            extractor_func: crate::formats::mtk_pkg_new::extract_mtk_pkg_new,
+        },
+        Format {
+            name: "mtk_bdp",
+            detector_func: crate::formats::mtk_bdp::is_mtk_bdp_file,
+            extractor_func: crate::formats::mtk_bdp::extract_mtk_bdp,
+        },
+
+    ]
+}

src/formats/amlogic/include.rs

@@ -0,0 +1,39 @@
+use crate::utils::common;
+use binrw::{BinRead};
+
+#[derive(BinRead)]
+pub struct ImageHeader {
+    _crc32: u32,
+    pub version: u32,
+    _magic_bytes: [u8; 4], //56 19 B5 27
+    pub image_size: u64,
+    pub item_align_size: u32,
+    pub item_count: u32,
+    _reserved: [u8; 36],
+}
+
+#[derive(BinRead)]
+pub struct ItemEntry {
+    _item_id: u32,
+    pub file_type: u32,
+    _current_offset_in_item: u64,
+    pub offset_in_image: u64,
+    pub item_size: u64,
+    item_type_bytes: [u8; 256],
+    name_bytes: [u8; 256],
+    _verify: u32,
+    _is_backup_item: u16,
+    _backup_item_id: u16,
+    _reserved: [u8; 24],
+}
+impl ItemEntry {
+    pub fn item_type(&self) -> String {
+        common::string_from_bytes(&self.item_type_bytes)
+    }
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+    pub fn is_sparse(&self) -> bool {
+        self.file_type == 254
+    }
+}

src/formats/amlogic/mod.rs

@@ -1,68 +1,36 @@
-use std::fs::File;
-use std::path::{Path};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::Path;
 use std::fs::{self, OpenOptions};
-use std::io::{Write, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
+use std::io::Write;
+use binrw::BinReaderExt;
 
 use crate::utils::common;
-use crate::utils::sparse::{unsparse_to_file};
+use crate::utils::sparse::unsparse_to_file;
+use include::*;
 
-#[derive(BinRead)]
-struct ImageHeader {
-    _crc32: u32,
-    version: u32,
-    #[br(count = 4)] _magic_bytes: Vec<u8>, //56 19 B5 27
-    image_size: u64,
-    item_align_size: u32,
-    item_count: u32,
-    #[br(count = 36)] _reserved: Vec<u8>,
-}
+pub fn is_amlogic_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
     
-#[derive(BinRead)]
-struct ItemEntry {
-    _item_id: u32,
-    file_type: u32,
-    _current_offset_in_item: u64,
-    offset_in_image: u64,
-    item_size: u64,
-    #[br(count = 256)] item_type_bytes: Vec<u8>,
-    #[br(count = 256)] name_bytes: Vec<u8>,
-    _verify: u32,
-    _is_backup_item: u16,
-    _backup_item_id: u16,
-    #[br(count = 24)] _reserved: Vec<u8>,
-}
-impl ItemEntry {
-    fn item_type(&self) -> String {
-        common::string_from_bytes(&self.item_type_bytes)
-    }
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-    fn is_sparse(&self) -> bool {
-        self.file_type == 254
-    }
-}
-
-pub fn is_amlogic_file(file: &File) -> bool {
-    let header = common::read_file(&file, 8, 4).expect("Failed to read from file.");
+    let header = common::read_file(&file, 8, 4)?;
     if header == b"\x56\x19\xB5\x27" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_amlogic(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    file.seek(SeekFrom::Start(0))?;
-    let header: ImageHeader = file.read_le()?;
+pub fn extract_amlogic(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
 
+    let header: ImageHeader = file.read_le()?;
     println!("File info -\nImage size: {}\nItem align size: {}\nItem count: {}\nFormat version: {}", 
             header.image_size, header.item_align_size, header.item_count, header.version);
 
     if header.version != 2 {
-        println!("\nSorry, this format version is not yet supported!");
-        return Ok(());
+        return Err("Unsupported format version! (Only 2 is supported right now)".into());
     }
 
     let mut items: Vec<ItemEntry> = Vec::new();
@@ -85,8 +53,8 @@ pub fn extract_amlogic(mut file: &File, output_folder: &str) -> Result<(), Box<d
             let data = common::read_file(&file, item.offset_in_image, item.item_size as usize)?;
  
             let extension = if item.item_type() == "PARTITION" {"img"} else {&item.item_type()};
-            let output_path = Path::new(&output_folder).join(format!("{}.{}", item.name(), extension));
-            fs::create_dir_all(&output_folder)?;
+            let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.{}", item.name(), extension));
+            fs::create_dir_all(&app_ctx.output_dir)?;
             
             if item.is_sparse() {
                 println!("- Unsparsing...");
@@ -103,6 +71,5 @@ pub fn extract_amlogic(mut file: &File, output_folder: &str) -> Result<(), Box<d
         }
     }
 
-    println!("\nExtraction finished!");
     Ok(())
 }

src/formats/android_ota_payload/include.rs

@@ -0,0 +1,9 @@
+use binrw::{BinRead};
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 4], //CrAU
+    pub file_format_version: u64,
+    pub manifest_size: u64,
+    pub metadata_signature_size: u32,
+}

src/formats/android_ota_payload/mod.rs

@@ -1,37 +1,38 @@
-use std::fs::{self, File, OpenOptions};
-use std::path::{Path};
-use std::io::{Write};
-use binrw::{BinRead, BinReaderExt};
+mod include;
+mod android_ota_update_metadata;
+use std::any::Any;
+use crate::AppContext;
+
+use std::fs::{self, OpenOptions};
+use std::path::Path;
+use std::io::Write;
+use binrw::BinReaderExt;
 use prost::Message;
 
 use crate::utils::common;
-use crate::utils::android_ota_update_metadata::{DeltaArchiveManifest, install_operation};
+use android_ota_update_metadata::{DeltaArchiveManifest, install_operation};
 use crate::utils::compression::{decompress_bzip, decompress_xz};
+use include::*;
 
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 4)] _magic_bytes: Vec<u8>, //CrAU
-    file_format_version: u64,
-    manifest_size: u64,
-    metadata_signature_size: u32,
-}
+pub fn is_android_ota_payload_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-pub fn is_android_ota_payload_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 4).expect("Failed to read from file.");
+    let header = common::read_file(&file, 0, 4)?;
     if header == b"CrAU" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_android_ota_payload(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_android_ota_payload(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
     let header: Header = file.read_be()?;
     println!("File info:\nFormat version: {}\nManifest size: {}", header.file_format_version, header.manifest_size);
 
     if header.file_format_version != 2 {
-        println!("\nSorry, this version of the file is not supported!");
-        return Ok(())
+        return Err("Unsupported format version! (Only 2 is supported right now)".into());
     }
 
     let base_offset = 24 /* size of header */ + header.manifest_size + header.metadata_signature_size as u64;
@@ -75,15 +76,13 @@ pub fn extract_android_ota_payload(mut file: &File, output_folder: &str) -> Resu
                 break
             }
 
-            fs::create_dir_all(&output_folder)?;
-            let output_path = Path::new(&output_folder).join(format!("{}.bin", partition.partition_name));
+            fs::create_dir_all(&app_ctx.output_dir)?;
+            let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", partition.partition_name));
             let mut out_file = OpenOptions::new().append(true).create(true).open(output_path)?;
             out_file.write_all(&out_data)?;
         }
         println!("\n-- Saved!");
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/bdl.rs

@@ -1,142 +0,0 @@
-use std::fs::File;
-use std::path::{Path};
-use std::fs::{self, OpenOptions};
-use std::io::{Write, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
-
-use crate::utils::common;
-
-#[derive(BinRead)]
-struct BdlHeader {
-    #[br(count = 4)] _magic_bytes: Vec<u8>, //ibdl
-    #[br(count = 8)] _file_version: Vec<u8>,
-    _unk1: u32,
-    pkg_count: u32,
-    #[br(count = 12)] _unk2: Vec<u8>,
-    #[br(count = 256)] date_bytes: Vec<u8>,
-    #[br(count = 256)] manufacturer_bytes: Vec<u8>,
-    #[br(count = 256)] model_bytes: Vec<u8>,
-    #[br(count = 9)] _unk3: Vec<u8>,
-    #[br(count = 256)] version_bytes: Vec<u8>,
-    #[br(count = 1280)] info_bytes: Vec<u8>,
-}
-impl BdlHeader {
-    fn date(&self) -> String {
-        common::string_from_bytes(&self.date_bytes)
-    }
-    fn manufacturer(&self) -> String {
-        common::string_from_bytes(&self.manufacturer_bytes)
-    }
-    fn model(&self) -> String {
-        common::string_from_bytes(&self.model_bytes)
-    }
-    fn version(&self) -> String {
-        common::string_from_bytes(&self.version_bytes)
-    }
-    fn info(&self) -> String {
-        common::string_from_bytes(&self.info_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct PkgListEntry {
-    offset: u64,
-    size: u64,
-}
-
-#[derive(BinRead)]
-struct PkgHeader {
-    #[br(count = 4)] _magic_bytes: Vec<u8>, //ipkg
-    #[br(count = 12)] _unk1: Vec<u8>,
-    entry_count: u32,
-    #[br(count = 12)] _unk2: Vec<u8>,
-    #[br(count = 256)] version_bytes: Vec<u8>,
-    #[br(count = 256)] manufacturer_bytes: Vec<u8>,
-    #[br(count = 256)] name_bytes: Vec<u8>,
-    #[br(count = 285)] _unk3: Vec<u8>,
-}
-impl PkgHeader {
-    fn version(&self) -> String {
-        common::string_from_bytes(&self.version_bytes)
-    }
-    fn manufacturer(&self) -> String {
-        common::string_from_bytes(&self.manufacturer_bytes)
-    }
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct PkgEntry {
-    #[br(count = 256)] name_bytes: Vec<u8>,
-    offset: u64,
-    size: u64,
-    _crc32: u32,
-}
-impl PkgEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-}
-
-pub fn is_bdl_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 4).expect("Failed to read from file.");
-    if header == b"ibdl" {
-        true
-    } else {
-        false
-    }
-}
-
-pub fn extract_bdl(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    let header: BdlHeader = file.read_le()?;
-
-    println!("File info:\nPackage count: {}\nDate: {}\nManufacturer: {}\nModel: {}\nVersion: {}\nInfo: {}",
-                header.pkg_count, header.date(), header.manufacturer(), header.model(), header.version(), header.info());
-
-    let mut pkgs: Vec<PkgListEntry> = Vec::new();
-
-    for _i in 0..header.pkg_count {
-        let pkg_entry: PkgListEntry = file.read_le()?;
-        //println!("Package {} - Offset: {}, Size: {}", i + 1, pkg_entry.offset, pkg_entry.size);
-        pkgs.push(pkg_entry);
-    }
-
-    for (i, pkg) in pkgs.iter().enumerate() {
-        file.seek(SeekFrom::Start(pkg.offset))?;
-        let pkg_header: PkgHeader = file.read_le()?;
-        println!("\nPackage ({}/{}) - Name: {}, Version: {}, Entry Count: {}, Manufacturer: {}, Offset: {}, Size: {}", 
-                i + 1, header.pkg_count, pkg_header.name(), pkg_header.version(), pkg_header.entry_count, pkg_header.manufacturer(), pkg.offset, pkg.size);
-
-        let mut pkg_entries: Vec<PkgEntry> = Vec::new();
-
-        for _i in 0..pkg_header.entry_count {
-            let pkg_entry: PkgEntry = file.read_le()?;
-            pkg_entries.push(pkg_entry);
-        }
-
-        let pkg_folder = Path::new(&output_folder).join(pkg_header.name());
-        fs::create_dir_all(&pkg_folder)?;
-
-        for (i, pkg_entry) in pkg_entries.iter().enumerate() {
-            println!("- Entry {}/{} - Name: {}, Offset: {}, Size: {}", 
-                    i + 1, pkg_header.entry_count, pkg_entry.name(), pkg_entry.offset, pkg_entry.size);
-
-            let calc_offset = pkg.offset + pkg_entry.offset; 
-            let data = common::read_file(&file, calc_offset, pkg_entry.size as usize)?;
-
-            let output_path = Path::new(&pkg_folder).join(pkg_entry.name());
-            let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
-            
-            out_file.write_all(&data)?;
-
-            println!("-- Saved file!");
-
-        }
-    }
-
-    println!("\nExtraction finished!");
-
-    Ok(())
-}

src/formats/bdl/include.rs

@@ -0,0 +1,76 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct BdlHeader {
+    _magic_bytes: [u8; 4], //ibdl
+    _file_version: [u8; 8],
+    _unk1: u32,
+    pub pkg_count: u32,
+    _unk2: [u8; 12],
+    date_bytes: [u8; 256],
+    manufacturer_bytes: [u8; 256],
+    model_bytes: [u8; 256],
+    _unk3: [u8; 9],
+    version_bytes: [u8; 256],
+    info_bytes: [u8; 1280],
+}
+impl BdlHeader {
+    pub fn date(&self) -> String {
+        common::string_from_bytes(&self.date_bytes)
+    }
+    pub fn manufacturer(&self) -> String {
+        common::string_from_bytes(&self.manufacturer_bytes)
+    }
+    pub fn model(&self) -> String {
+        common::string_from_bytes(&self.model_bytes)
+    }
+    pub fn version(&self) -> String {
+        common::string_from_bytes(&self.version_bytes)
+    }
+    pub fn info(&self) -> String {
+        common::string_from_bytes(&self.info_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct PkgListEntry {
+    pub offset: u64,
+    pub size: u64,
+}
+
+#[derive(BinRead)]
+pub struct PkgHeader {
+    _magic_bytes: [u8; 4], //ipkg
+    _unk1: [u8; 12],
+    pub entry_count: u32,
+    _unk2: [u8; 12],
+    version_bytes: [u8; 256],
+    manufacturer_bytes: [u8; 256],
+    name_bytes: [u8; 256],
+    _unk3: [u8; 285],
+}
+impl PkgHeader {
+    pub fn version(&self) -> String {
+        common::string_from_bytes(&self.version_bytes)
+    }
+    pub fn manufacturer(&self) -> String {
+        common::string_from_bytes(&self.manufacturer_bytes)
+    }
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct PkgEntry {
+    name_bytes: [u8; 256],
+    pub offset: u64,
+    pub size: u64,
+    _crc32: u32,
+}
+impl PkgEntry {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+}

src/formats/bdl/mod.rs

@@ -0,0 +1,74 @@
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::Path;
+use std::fs::{self, OpenOptions};
+use std::io::{Write, Seek, SeekFrom};
+use binrw::BinReaderExt;
+
+use crate::utils::common;
+use include::*;
+
+pub fn is_bdl_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+
+    let header = common::read_file(&file, 0, 4)?;
+    if header == b"ibdl" {
+        Ok(Some(Box::new(())))
+    } else {
+        Ok(None)
+    }
+}
+
+pub fn extract_bdl(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
+    let header: BdlHeader = file.read_le()?;
+
+    println!("File info:\nPackage count: {}\nDate: {}\nManufacturer: {}\nModel: {}\nVersion: {}\nInfo: {}",
+                header.pkg_count, header.date(), header.manufacturer(), header.model(), header.version(), header.info());
+
+    let mut pkgs: Vec<PkgListEntry> = Vec::new();
+
+    for _i in 0..header.pkg_count {
+        let pkg_entry: PkgListEntry = file.read_le()?;
+        //println!("Package {} - Offset: {}, Size: {}", i + 1, pkg_entry.offset, pkg_entry.size);
+        pkgs.push(pkg_entry);
+    }
+
+    for (i, pkg) in pkgs.iter().enumerate() {
+        file.seek(SeekFrom::Start(pkg.offset))?;
+        let pkg_header: PkgHeader = file.read_le()?;
+        println!("\nPackage ({}/{}) - Name: {}, Version: {}, Entry Count: {}, Manufacturer: {}, Offset: {}, Size: {}", 
+                i + 1, header.pkg_count, pkg_header.name(), pkg_header.version(), pkg_header.entry_count, pkg_header.manufacturer(), pkg.offset, pkg.size);
+
+        let mut pkg_entries: Vec<PkgEntry> = Vec::new();
+
+        for _i in 0..pkg_header.entry_count {
+            let pkg_entry: PkgEntry = file.read_le()?;
+            pkg_entries.push(pkg_entry);
+        }
+
+        let pkg_folder = Path::new(&app_ctx.output_dir).join(pkg_header.name());
+        fs::create_dir_all(&pkg_folder)?;
+
+        for (i, pkg_entry) in pkg_entries.iter().enumerate() {
+            println!("- Entry {}/{} - Name: {}, Offset: {}, Size: {}", 
+                    i + 1, pkg_header.entry_count, pkg_entry.name(), pkg_entry.offset, pkg_entry.size);
+
+            let calc_offset = pkg.offset + pkg_entry.offset; 
+            let data = common::read_file(&file, calc_offset, pkg_entry.size as usize)?;
+
+            let output_path = Path::new(&pkg_folder).join(pkg_entry.name());
+            let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
+            
+            out_file.write_all(&data)?;
+
+            println!("-- Saved file!");
+
+        }
+    }
+
+    Ok(())
+}

src/formats/epk/mod.rs

@@ -1,30 +1,37 @@
-use std::fs::File;
+use std::any::Any;
+use std::io::Seek;
+use crate::AppContext;
 
 use crate::utils::common;
 use crate::formats;
 
-pub fn is_epk_file(file: &File) -> bool {
-    let versions = common::read_file(&file, 1712, 36).expect("Failed to read from file.");
+pub struct EpkContext {
+    epk_version: u8,
+}
 
-    if check_epk_version(&versions).is_some() {
-        true
+pub fn is_epk_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+
+    let versions = common::read_file(&file, 1712, 36)?;
+    if let Some(epk_version) = check_epk_version(&versions) {
+        Ok(Some(Box::new(EpkContext {epk_version})))
     } else {
-        false
+        Ok(None)
     }
 }
 
-fn check_epk_version(versions: &[u8]) -> Option<String> {
+fn check_epk_version(versions: &[u8]) -> Option<u8> {
     //                      _ - 0x00     X - a number    . - a dot
     let epk2_pattern =     "____XXXX.XXXX.XXXX__XX.XX.XXX_______";
     let epk3_pattern =     "____X.X.X___________X.X.X___________";
     let epk3_new_pattern = "____XX.X.X__________XX.X.X__________";
 
     if match_with_pattern(&versions, epk2_pattern) {
-        Some("epk2".to_string())
+        Some(2)
     } else if match_with_pattern(&versions, epk3_pattern) {     
-        Some("epk3".to_string())
+        Some(3)
     } else if match_with_pattern(&versions, epk3_new_pattern) {     
-        Some("epk3".to_string())
+        Some(3)
     }else {
         None
     }
@@ -42,20 +49,24 @@ fn match_with_pattern(data: &[u8], pattern: &str) -> bool {
     true
 }
 
-pub fn extract_epk(file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_epk(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+    let ctx = ctx.downcast::<EpkContext>().expect("Missing context");
+
     let versions = common::read_file(&file, 1712, 36)?;
-    let epk_version = check_epk_version(&versions);
 
     let platform_version = common::string_from_bytes(&versions[4..20]);
     let sdk_version = common::string_from_bytes(&versions[20..36]);
     println!("Platform version: {}\nSDK version: {}", platform_version, sdk_version);
     
-    if epk_version == Some("epk2".to_string()) {
+    file.seek(std::io::SeekFrom::Start(0))?;
+
+    if ctx.epk_version == 2 {
         println!("EPK2 detected!\n");
-        formats::epk2::extract_epk2(file, output_folder)?;
-    } else if epk_version == Some("epk3".to_string()) {
+        formats::epk2::extract_epk2(app_ctx, Box::new(()))?;
+    } else if ctx.epk_version == 3 {
         println!("EPK3 detected!\n");
-        formats::epk3::extract_epk3(file, output_folder)?;
+        formats::epk3::extract_epk3(app_ctx, Box::new(()))?;
     }
 
     Ok(())

src/formats/epk1/include.rs

@@ -0,0 +1,31 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct CommonHeader {
+    _magic_bytes: [u8; 4],
+    pub file_size: u32,
+    pub pak_count: u32,
+}
+
+#[derive(BinRead)]
+pub struct PakHeader {
+    pak_name_bytes: [u8; 4],
+    pub image_size: u32,
+	platform_id_bytes: [u8; 64],
+    _reserved: [u8; 56],
+}
+impl PakHeader {
+    pub fn pak_name(&self) -> String {
+        common::string_from_bytes(&self.pak_name_bytes)
+    }
+    pub fn platform_id(&self) -> String {
+        common::string_from_bytes(&self.platform_id_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct Pak {
+    pub offset : u32,
+    pub size : u32,
+}

src/formats/epk1/mod.rs

@@ -1,51 +1,29 @@
-use std::fs::File;
-use std::path::{Path};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::Path;
 use std::fs::{self, OpenOptions};
 use std::io::{Write, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
+use include::*;
 
-#[derive(BinRead)]
-struct CommonHeader {
-    #[br(count = 4)] _magic_bytes: Vec<u8>,
-    file_size: u32,
-    pak_count: u32,
-}
+pub fn is_epk1_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-#[derive(BinRead)]
-struct PakHeader {
-    #[br(count = 4)] pak_name_bytes: Vec<u8>,
-    image_size: u32,
-	#[br(count = 64)] platform_id_bytes: Vec<u8>,
-    #[br(count = 56)] _reserved: Vec<u8>,
-}
-impl PakHeader {
-    fn pak_name(&self) -> String {
-        common::string_from_bytes(&self.pak_name_bytes)
-    }
-    fn platform_id(&self) -> String {
-        common::string_from_bytes(&self.platform_id_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct Pak {
-    offset : u32,
-    size : u32,
-}
-
-pub fn is_epk1_file(file: &File) -> bool {
-    let epk2_magic = common::read_file(&file, 12, 4).expect("Failed to read from file."); //for epk2b
-    let epak_magic = common::read_file(&file, 0, 4).expect("Failed to read from file.");
+    let epk2_magic = common::read_file(&file, 12, 4)?; //for epk2b
+    let epak_magic = common::read_file(&file, 0, 4)?;
     if epak_magic == b"epak" && epk2_magic != b"EPK2" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_epk1(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_epk1(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
     //check type of epk1
     let epk1_type;
     let init_pak_count_bytes = common::read_file(&file, 8, 4)?;
@@ -58,8 +36,7 @@ pub fn extract_epk1(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         println!("\nLittle endian EPK1 detected.");
         epk1_type = "le";
     } else {
-        println!("\nUnknown EPK1 variant!");
-        return Ok(());
+        return Err("Unknown EPK1 variant!".into());
     }
 
     file.seek(SeekFrom::Start(0))?;
@@ -76,7 +53,10 @@ pub fn extract_epk1(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
             }
             paks.push(Pak { offset: pak.offset, size: pak.size });
         }
-        assert!(header.pak_count as usize == paks.len(), "Paks count in header({}) does not match the amount of non empty pak entries({})!", header.pak_count, paks.len());
+        
+        if header.pak_count as usize != paks.len() {
+            return Err(format!("Paks count in header({}) does not match the amount of non empty pak entries({})!", header.pak_count, paks.len()).into());
+        }
 
         let version = common::read_exact(&mut file, 4)?;
 
@@ -90,7 +70,9 @@ pub fn extract_epk1(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         let header_size_bytes = common::read_file(&file, 12, 4)?; //offset of first entry, can be treated as header size
         let header_size = u32::from_le_bytes(header_size_bytes.try_into().unwrap());
         let max_pak_count = (header_size - 48) / 8; //header size minus common header + ota id (48) divide by size of pak entry (8). 
-        assert!(max_pak_count < 128, "Unreasonable calculated pak count {}!!", max_pak_count);
+        if max_pak_count > 128 {
+            return Err(format!("Unreasonable calculated pak count {}!!", max_pak_count).into());
+        }
 
         for _i in 0..max_pak_count {
             let pak: Pak = file.read_le()?;
@@ -99,7 +81,10 @@ pub fn extract_epk1(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
             }
             paks.push(Pak { offset: pak.offset, size: pak.size });
         }
-        assert!(header.pak_count as usize == paks.len(), "Paks count in header({}) does not match the amount of non empty pak entries({})!", header.pak_count, paks.len());
+
+        if header.pak_count as usize != paks.len() {
+            return Err(format!("Paks count in header({}) does not match the amount of non empty pak entries({})!", header.pak_count, paks.len()).into());
+        }
 
         let version = common::read_exact(&mut file, 4)?;
 
@@ -119,15 +104,13 @@ pub fn extract_epk1(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
 
         let data = common::read_exact(&mut file, pak_header.image_size as usize)?;
 
-        let output_path = Path::new(&output_folder).join(pak_header.pak_name() + ".bin");
-        fs::create_dir_all(&output_folder)?;
+        let output_path = Path::new(&app_ctx.output_dir).join(pak_header.pak_name() + ".bin");
+        fs::create_dir_all(&app_ctx.output_dir)?;
         let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;        
         out_file.write_all(&data)?;
 
         println!("- Saved file!");
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/epk2/include.rs

@@ -0,0 +1,59 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+pub static SIGNATURE_SIZE: u32 = 128;
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 4], //epak
+    pub file_size: u32,
+	pub pak_count: u32,
+	_epk2_magic: [u8; 4], //EPK2
+    pub version: [u8; 4],
+    ota_id_bytes: [u8; 32],
+}
+impl Header {
+    pub fn ota_id(&self) -> String {
+        common::string_from_bytes(&self.ota_id_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct PakEntry {
+    pub offset: u32,
+	pub size: u32,
+	name_bytes: [u8; 4],
+    _version: [u8; 4],
+	pub segment_size: u32,
+}
+impl PakEntry {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct PakHeader {
+    _pak_name_bytes: [u8; 4],
+    pub image_size: u32,
+    platform_id_bytes: [u8; 64],
+    _sw_version: u32,
+    _sw_date: u32,
+    _build_type: u32,
+    pub segment_count: u32,
+    pub segment_size: u32,
+    pub segment_index: u32,
+    _pak_magic_bytes: [u8; 4], //MPAK
+    _reserved: [u8; 24],
+    _segment_crc32: u32,
+}
+impl PakHeader {
+    pub fn platform_id(&self) -> String {
+        common::string_from_bytes(&self.platform_id_bytes)
+    }
+}
+pub struct Pak {
+    pub offset: u32,
+    pub _size: u32,
+    pub name: String,
+}

src/formats/epk2/mod.rs

@@ -1,84 +1,32 @@
-use std::fs::{self, File, OpenOptions};
-use std::path::{Path};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::fs::{self, OpenOptions};
+use std::path::Path;
 use std::io::{Write, Seek, SeekFrom, Cursor};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
 use crate::keys;
 use crate::formats::epk::{decrypt_aes_ecb_auto, find_key};
+use include::*;
 
-static SIGNATURE_SIZE: u32 = 128;
+pub fn is_epk2_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 4)] _magic_bytes: Vec<u8>, //epak
-    file_size: u32,
-	pak_count: u32,
-	#[br(count = 4)] _epk2_magic: Vec<u8>, //EPK2
-	#[br(count = 4)] version: Vec<u8>,
-	#[br(count = 32)] ota_id_bytes: Vec<u8>,
-}
-impl Header {
-    fn ota_id(&self) -> String {
-        common::string_from_bytes(&self.ota_id_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct PakEntry {
-    offset: u32,
-	size: u32,
-	#[br(count = 4)] name_bytes: Vec<u8>,
-	#[br(count = 4)] _version: Vec<u8>,
-	segment_size: u32,
-}
-impl PakEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct PakHeader {
-    #[br(count = 4)] _pak_name_bytes: Vec<u8>,
-    image_size: u32,
-    #[br(count = 64)] platform_id_bytes: Vec<u8>,
-    _sw_version: u32,
-    _sw_date: u32,
-    _build_type: u32,
-    segment_count: u32,
-    segment_size: u32,
-    segment_index: u32,
-    #[br(count = 4)] _pak_magic_bytes: Vec<u8>, //MPAK
-    #[br(count = 24)] _reserved: Vec<u8>,
-    _segment_crc32: u32,
-}
-impl PakHeader {
-    fn platform_id(&self) -> String {
-        common::string_from_bytes(&self.platform_id_bytes)
-    }
-}
-
-struct Pak {
-    offset: u32,
-    _size: u32,
-    name: String,
-}
-
-pub fn is_epk2_file(file: &File) -> bool {
-    let header = common::read_file(&file, 128, 4).expect("Failed to read from file.");
+    let header = common::read_file(&file, 128, 4)?;
     if header == b"epak" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_epk2(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    file.seek(SeekFrom::Start(0))?;
+pub fn extract_epk2(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
 
     let _header_signature = common::read_exact(&mut file, SIGNATURE_SIZE as usize)?;
-
     let stored_header = common::read_exact(&mut file, 1584)?; //max header size
     let header;
 
@@ -98,8 +46,7 @@ pub fn extract_epk2(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
             matching_key = Some(key_bytes);
             header = decrypt_aes_ecb_auto(matching_key.as_ref().unwrap(), &stored_header)?;
         } else {
-            println!("No valid key found!");
-            return Ok(());
+            return Err("No valid key found!".into());
         }    
     }
     //parse header
@@ -137,8 +84,7 @@ pub fn extract_epk2(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
                 println!("Found correct key: {}", key_name);
                 matching_key = Some(key_bytes);
             } else {
-                println!("No valid key found!");
-                return Ok(());
+                return Err("No valid key found!".into());
             }
         }
         let matching_key_bytes = matching_key.as_ref().unwrap();
@@ -160,7 +106,9 @@ pub fn extract_epk2(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
                 pak_header = pak_header_reader.read_le()?;
             }
 
-            assert!(i == pak_header.segment_index, "Unexpected segment index in pak header!, expected: {}, got: {}", i , pak_header.segment_index);
+            if i != pak_header.segment_index {
+                return Err(format!("Unexpected segment index in pak header!, expected: {}, got: {}", i , pak_header.segment_index).into());
+            }
 
             let actual_segment_size = 
             // check if this is the last segment and not the last PAK
@@ -186,8 +134,8 @@ pub fn extract_epk2(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
             let segment_data = common::read_exact(&mut file, actual_segment_size as usize)?;
             let out_data = decrypt_aes_ecb_auto(&matching_key_bytes, &segment_data)?;
 
-            let output_path = Path::new(&output_folder).join(format!("{}.bin", pak.name));
-            fs::create_dir_all(&output_folder)?;
+            let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", pak.name));
+            fs::create_dir_all(&app_ctx.output_dir)?;
             let mut out_file = OpenOptions::new().append(true).create(true).open(output_path)?;
             out_file.write_all(&out_data)?;
 
@@ -195,7 +143,5 @@ pub fn extract_epk2(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         }
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/epk2b/include.rs

@@ -0,0 +1,47 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct EpkHeader {
+    _epk_magic: [u8; 4], //epak
+    pub file_size: u32,
+    pub pak_count: u32,
+    _epk2_magic: [u8; 4], //EPK2
+    pub version: [u8; 4],
+    ota_id_bytes: [u8; 32],
+}
+impl EpkHeader {
+    pub fn ota_id(&self) -> String {
+        common::string_from_bytes(&self.ota_id_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct PakHeader {
+    pak_name_bytes: [u8; 4],
+    pub image_size: u32,
+    platform_id_bytes: [u8; 64],
+    _sw_version: u32,
+    _sw_date: u32,
+    _build_type: u32,
+    pub segment_count: u32,
+    pub segment_size: u32,
+    pub segment_index: u32,
+    _pak_magic_bytes: [u8; 4], //MPAK
+    _reserved: [u8; 24],
+    _segment_crc32: u32,
+}
+impl PakHeader {
+    pub fn pak_name(&self) -> String {
+        common::string_from_bytes(&self.pak_name_bytes)
+    }
+    pub fn platform_id(&self) -> String {
+        common::string_from_bytes(&self.platform_id_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct Pak {
+    pub offset : u32,
+    pub size : u32,
+}

src/formats/epk2b/mod.rs

@@ -1,69 +1,31 @@
-use std::fs::File;
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::{Path};
 use std::fs::{self, OpenOptions};
 use std::io::{Write, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
+use include::*;
 
-#[derive(BinRead)]
-struct EpkHeader {
-    #[br(count = 4)] _epk_magic: Vec<u8>, //epak
-    file_size: u32,
-    pak_count: u32,
-    #[br(count = 4)] _epk2_magic: Vec<u8>, //EPK2
-    #[br(count = 4)] version: Vec<u8>,
-    #[br(count = 32)] ota_id_bytes: Vec<u8>,
-}
-impl EpkHeader {
-    fn ota_id(&self) -> String {
-        common::string_from_bytes(&self.ota_id_bytes)
-    }
-}
+pub fn is_epk2b_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-#[derive(BinRead)]
-struct PakHeader {
-    #[br(count = 4)] pak_name_bytes: Vec<u8>,
-    image_size: u32,
-    #[br(count = 64)] platform_id_bytes: Vec<u8>,
-    _sw_version: u32,
-    _sw_date: u32,
-    _build_type: u32,
-    segment_count: u32,
-    segment_size: u32,
-    segment_index: u32,
-    #[br(count = 4)] _pak_magic_bytes: Vec<u8>, //MPAK
-    #[br(count = 24)] _reserved: Vec<u8>,
-    _segment_crc32: u32,
-}
-impl PakHeader {
-    fn pak_name(&self) -> String {
-        common::string_from_bytes(&self.pak_name_bytes)
-    }
-    fn platform_id(&self) -> String {
-        common::string_from_bytes(&self.platform_id_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct Pak {
-    offset : u32,
-    size : u32,
-}
-
-pub fn is_epk2b_file(file: &File) -> bool {
-    let epk2_magic = common::read_file(&file, 12, 4).expect("Failed to read from file.");
-    let epak_magic = common::read_file(&file, 0, 4).expect("Failed to read from file.");
+    let epak_magic = common::read_file(&file, 0, 4)?;
+    let epk2_magic = common::read_file(&file, 12, 4)?;    
     if epak_magic == b"epak" && epk2_magic == b"EPK2" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_epk2b(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    let header: EpkHeader = file.read_le()?;
+pub fn extract_epk2b(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
 
+    let header: EpkHeader = file.read_le()?;
     println!("EPK info -\nData size: {}\nPak count: {}\nOTA ID: {}\nVersion: {:02x?}.{:02x?}.{:02x?}", 
             header.file_size, header.pak_count, header.ota_id(), header.version[2], header.version[1], header.version[0]);
 
@@ -77,7 +39,9 @@ pub fn extract_epk2b(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         paks.push(Pak { offset: pak.offset, size: pak.size });
     }
 
-    assert!(header.pak_count as usize == paks.len(), "Paks count in header does not match the amount of non empty pak entries!");
+    if header.pak_count as usize != paks.len() {
+        return Err(format!("Paks count in header({}) does not match the amount of non empty pak entries({})!", header.pak_count, paks.len()).into());
+    }
 
     for (i, pak) in paks.iter().enumerate() {
         file.seek(SeekFrom::Start(pak.offset as u64))?;
@@ -94,7 +58,9 @@ pub fn extract_epk2b(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
                 pak_header = file.read_le()?;
             }
 
-            assert!(i == pak_header.segment_index, "Unexpected segment index in pak header!, expected: {}, got: {}", i , pak_header.segment_index);
+            if i != pak_header.segment_index {
+                return Err(format!("Unexpected segment index in pak header!, expected: {}, got: {}", i , pak_header.segment_index).into());
+            }
 
             println!("- Segment {}/{} - Size: {}", i + 1, pak_header.segment_count, pak_header.segment_size);
             let out_data = common::read_exact(&mut file, pak_header.segment_size as usize)?;
@@ -108,8 +74,8 @@ pub fn extract_epk2b(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
                 pak_header.segment_size
             };
 
-            let output_path = Path::new(&output_folder).join(format!("{}.bin", pak_header.pak_name()));
-            fs::create_dir_all(&output_folder)?;
+            let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", pak_header.pak_name()));
+            fs::create_dir_all(&app_ctx.output_dir)?;
             let mut out_file = OpenOptions::new().append(true).create(true).open(output_path)?;
             out_file.write_all(&out_data[..segment_limit as usize])?;
 
@@ -117,7 +83,5 @@ pub fn extract_epk2b(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         }
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/epk3/include.rs

@@ -0,0 +1,64 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 4], //EPK3
+    pub version: [u8; 4],
+    ota_id_bytes: [u8; 32],
+    pub package_info_size: u32,
+    _bchunked: u32,
+}
+impl Header {
+    pub fn ota_id(&self) -> String {
+        common::string_from_bytes(&self.ota_id_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct HeaderNewEx {
+    _pak_info_magic: [u8; 4],
+    encrypt_type_bytes: [u8; 6],
+    update_type_bytes: [u8; 6],
+    pub update_platform_version: f32,
+    pub compatible_minimum_version: f32,
+    pub need_to_check_compatible_version: i32,
+}
+impl HeaderNewEx {
+    pub fn encrypt_type(&self) -> String {
+        common::string_from_bytes(&self.encrypt_type_bytes)
+    }
+    pub fn update_type(&self) -> String {
+        common::string_from_bytes(&self.update_type_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct PkgInfoHeader {
+    pub package_info_list_size: u32,
+    pub package_info_count: u32,
+}
+
+#[derive(BinRead)]
+pub struct PkgInfoEntry {
+    _package_type: u32,
+    _package_info_size: u32,
+    package_name_bytes: [u8; 128],
+    _package_version_bytes: [u8; 96],
+    _package_architecture_bytes: [u8; 32],
+    _checksum: [u8; 32],
+    pub package_size: u32,
+    _dipk: u32,
+    //segment info
+    _is_segmented: u32,
+    pub segment_index: u32,
+    pub segment_count: u32,
+    pub segment_size: u32,
+    //
+    _unk: u32,
+}
+impl PkgInfoEntry {
+    pub fn package_name(&self) -> String {
+        common::string_from_bytes(&self.package_name_bytes)
+    }
+}

src/formats/epk3/mod.rs

@@ -1,77 +1,24 @@
-use std::fs::{self, File, OpenOptions};
-use std::path::{Path};
-use std::io::{Write, Seek, SeekFrom, Cursor};
-use binrw::{BinRead, BinReaderExt};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::fs::{self, OpenOptions};
+use std::path::Path;
+use std::io::{Write, Cursor};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
 use crate::keys;
 use crate::formats::epk::{decrypt_aes_ecb_auto, find_key};
+use include::*;
 
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 4)] _magic_bytes: Vec<u8>, //EPK3
-    #[br(count = 4)] version: Vec<u8>,
-	#[br(count = 32)] ota_id_bytes: Vec<u8>,
-    package_info_size: u32,
-    _bchunked: u32,
-}
-impl Header {
-    fn ota_id(&self) -> String {
-        common::string_from_bytes(&self.ota_id_bytes)
-    }
+pub fn is_epk3_file(_app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    Ok(None)
 }
 
-#[derive(BinRead)]
-struct HeaderNewEx {
-    #[br(count = 4)] _pak_info_magic: Vec<u8>,
-    #[br(count = 6)] encrypt_type_bytes: Vec<u8>,
-    #[br(count = 6)] update_type_bytes: Vec<u8>,
-    update_platform_version: f32,
-    compatible_minimum_version: f32,
-    need_to_check_compatible_version: i32,
-}
-impl HeaderNewEx {
-    fn encrypt_type(&self) -> String {
-        common::string_from_bytes(&self.encrypt_type_bytes)
-    }
-    fn update_type(&self) -> String {
-        common::string_from_bytes(&self.update_type_bytes)
-    }
-}
+pub fn extract_epk3(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
 
-
-#[derive(BinRead)]
-struct PkgInfoHeader {
-    package_info_list_size: u32,
-    package_info_count: u32,
-}
-
-#[derive(BinRead)]
-struct PkgInfoEntry {
-    _package_type: u32,
-    _package_info_size: u32,
-    #[br(count = 128)] package_name_bytes: Vec<u8>,
-    #[br(count = 96)] _package_version_bytes: Vec<u8>,
-	#[br(count = 32)] _package_architecture_bytes: Vec<u8>,
-    #[br(count = 32)] _checksum: Vec<u8>,
-    package_size: u32,
-    _dipk: u32,
-    //segment info
-    _is_segmented: u32,
-    segment_index: u32,
-    segment_count: u32,
-    segment_size: u32,
-    //
-    _unk: u32,
-}
-impl PkgInfoEntry {
-    fn package_name(&self) -> String {
-        common::string_from_bytes(&self.package_name_bytes)
-    }
-}
-
-pub fn extract_epk3(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    file.seek(SeekFrom::Start(0))?;
     let stored_header = common::read_exact(&mut file, 1712)?;
     let header: Vec<u8>;
     let _header_signature;
@@ -96,8 +43,7 @@ pub fn extract_epk3(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         new_type = true;
 
     } else {
-        println!("No valid key found!");
-        return Ok(());
+        return Err("No valid key found!".into());
     }
 
     let signature_size = if new_type {256} else {128};
@@ -153,8 +99,8 @@ pub fn extract_epk3(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
             let encrypted_data = common::read_exact(&mut file, entry.segment_size as usize + extra_segment_size)?;
             let out_data = decrypt_aes_ecb_auto(matching_key_bytes, &encrypted_data)?;
 
-            let output_path = Path::new(&output_folder).join(format!("{}.bin", entry.package_name()));
-            fs::create_dir_all(&output_folder)?;
+            let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", entry.package_name()));
+            fs::create_dir_all(&app_ctx.output_dir)?;
             let mut out_file = OpenOptions::new().append(true).create(true).open(output_path)?;
             out_file.write_all(&out_data[extra_segment_size..])?;
 
@@ -163,6 +109,5 @@ pub fn extract_epk3(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         pak_i += 1;
     }
 
-    println!("\nExtraction finished!");
     Ok(())
 }

src/formats/funai_upg/include.rs

@@ -0,0 +1,15 @@
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 6],
+    pub entry_count: u16,
+    pub file_size: u32,
+}
+
+#[derive(BinRead)]
+pub struct Entry {
+    pub entry_type: u16,
+    pub entry_size: u32,
+    _unk: u16,
+}

src/formats/funai_upg/mod.rs

@@ -1,35 +1,28 @@
-use std::fs::File;
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::Path;
 use std::fs::{self, OpenOptions};
-use std::io::{Write};
-use binrw::{BinRead, BinReaderExt};
+use std::io::Write;
+use binrw::BinReaderExt;
 
 use crate::utils::common;
+use include::*;
 
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 6)] _magic_bytes: Vec<u8>,
-    entry_count: u16,
-    file_size: u32,
-}
-
-#[derive(BinRead)]
-struct Entry {
-    entry_type: u16,
-    entry_size: u32,
-    _unk: u16,
-}
-
-pub fn is_funai_upg_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 6).expect("Failed to read from file.");
+pub fn is_funai_upg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+    let header = common::read_file(&file, 0, 6)?;
     if header == b"UPG\x00\x00\x00" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_funai_upg(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_funai_upg(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
     let header: Header = file.read_le()?;
     println!("File info:\nFile size: {}\nEntry count: {}", header.file_size, header.entry_count);
 
@@ -45,16 +38,14 @@ pub fn extract_funai_upg(mut file: &File, output_folder: &str) -> Result<(), Box
             println!("Descriptor entry info:\n{}", entry_string);
         }
 
-        let output_path = Path::new(&output_folder).join(format!("{}_{}.bin", i + 1, entry.entry_type));
+        let output_path = Path::new(&app_ctx.output_dir).join(format!("{}_{}.bin", i + 1, entry.entry_type));
 
-        fs::create_dir_all(&output_folder)?;
+        fs::create_dir_all(&app_ctx.output_dir)?;
         let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
         out_file.write_all(&data)?;
 
         println!("- Saved file!");
     }
     
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/invincible_image.rs

@@ -1,133 +0,0 @@
-use std::path::{Path};
-use std::fs::{self, File, OpenOptions};
-use std::io::{Write, Read, Seek, SeekFrom, Cursor};
-use binrw::{BinRead, BinReaderExt};
-
-use crate::utils::aes::{decrypt_aes128_cbc_nopad};
-use crate::utils::common;
-
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 16)] _magic_bytes: Vec<u8>,
-    #[br(count = 4)] file_version: Vec<u8>,
-    _unk1: u32,
-    #[br(count = 16)] ver1_bytes: Vec<u8>,
-    #[br(count = 16)] ver2_bytes: Vec<u8>,
-    _unk2: u16,
-    _type: u8,
-    keep_size: u32,
-    _unk3: u8,
-    data_start_offset: u32,
-    data_size: u32,
-    _data_size_2: u32,
-    skip_size: u32,
-    _unk4: u16,
-    _encryption_method: u8, // 0x01 - AES128, 0x02 - AES256
-    _hash_type: u8, // 0x01 - MD5, 0x02 - SHA1
-    #[br(count = 16)] ver3_bytes: Vec<u8>,
-    #[br(count = 16)] ver4_bytes: Vec<u8>,
-    #[br(count = 11)] _unk6: Vec<u8>,
-    payload_count: u8,
-}
-impl Header {
-    fn ver1(&self) -> String {
-        common::string_from_bytes(&self.ver1_bytes).replace('\n', "")
-    }
-    fn ver2(&self) -> String {
-        common::string_from_bytes(&self.ver2_bytes).replace('\n', "")
-    }
-    fn ver3(&self) -> String {
-        common::string_from_bytes(&self.ver3_bytes).replace('\n', "")
-    }
-    fn ver4(&self) -> String {
-        common::string_from_bytes(&self.ver4_bytes).replace('\n', "")
-    }
-}
-
-#[derive(BinRead)]
-struct Entry {
-    #[br(count = 16)] name_bytes: Vec<u8>,
-    start_offset: u32,
-    size: u32,
-}
-impl Entry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-}
-
-pub fn is_invincible_image_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 16).expect("Failed to read from file.");
-    if header == b"INVINCIBLE_IMAGE" {
-        true
-    } else {
-        false
-    }
-}
-
-pub fn extract_invincible_image(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    let header: Header = file.read_le()?;
-
-    println!("File info:\nFile Version: {}.{}\nVersion(1): {}\nVersion(2): {}\nVersion(3): {}\nVersion(4): {}\nData size: {}\nData start offset: {}\nKeep data size: {}\nSkip data size: {}\n\nPayload Count: {}",
-            header.file_version[0], header.file_version[1], header.ver1(), header.ver2(), header.ver3(), header.ver4(), header.data_size, header.data_start_offset, header.keep_size, header.skip_size, header.payload_count);
-
-    let mut entries: Vec<Entry> = Vec::new();
-
-    for i in 0..header.payload_count {
-        let entry: Entry = file.read_le()?;
-        println!("{}. {}, Start offset: {}, Size: {}", 
-                i + 1, entry.name(), entry.start_offset, entry.size);
-        entries.push(entry);
-    }
-
-    if header.file_version[0] != 3 {
-        println!("\nSorry, this version of the file is not supported!");
-        return Ok(())
-    }
-
-    let mut encrypted_data = Vec::new();
-    let mut buffer = vec![0u8; header.keep_size as usize];
-
-    file.seek(SeekFrom::Start(header.data_start_offset.into()))?;
-
-    loop {
-        let bytes_read = file.read(&mut buffer)?;
-        if bytes_read == 0 {
-            break; // EOF
-        }
-        encrypted_data.extend_from_slice(&buffer[..bytes_read]);
-        file.seek(SeekFrom::Current(header.skip_size.into()))?;
-    }
-
-    //v3 key + iv
-    let key: [u8; 16] = [0x32, 0xe5, 0x26, 0x1e, 0x22, 0x67, 0x5e, 0x93, 0x20, 0xcf, 0x35, 0x91, 0x7c, 0x63, 0x7a, 0x36];
-    let iv:  [u8; 16] = [0xe3, 0x9f, 0x36, 0x39, 0x56, 0x9a, 0x6b, 0x8d, 0x3f, 0x2e, 0xc9, 0x44, 0xd9, 0xbc, 0xec, 0x43];
-
-    println!("\nDecrypting data...");
-    let decrypted_data = decrypt_aes128_cbc_nopad(&encrypted_data, &key, &iv)?;
-
-    let mut data_reader = Cursor::new(decrypted_data);
-
-    let mut i = 1;
-    for entry in entries {
-        println!("\n({}/{}) - {}, Size: {}", i, header.payload_count, entry.name(), entry.size);
-        let data = common::read_exact(&mut data_reader, entry.size as usize)?;
-
-        let output_path = Path::new(&output_folder).join(entry.name() + ".bin");
-
-        fs::create_dir_all(&output_folder)?;
-        let mut out_file = OpenOptions::new()
-            .write(true)
-            .create(true)
-            .open(output_path)?;
-            
-        out_file.write_all(&data)?;
-
-        println!("- Saved file!");
-        i += 1;
-    }
-
-    println!("\nExtraction finished!");
-
-    Ok(())
-}

src/formats/invincible_image/include.rs

@@ -0,0 +1,56 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+//v3 key + iv
+pub static V3_KEY: [u8; 16] = [0x32, 0xe5, 0x26, 0x1e, 0x22, 0x67, 0x5e, 0x93, 0x20, 0xcf, 0x35, 0x91, 0x7c, 0x63, 0x7a, 0x36];
+pub static V3_IV:  [u8; 16] = [0xe3, 0x9f, 0x36, 0x39, 0x56, 0x9a, 0x6b, 0x8d, 0x3f, 0x2e, 0xc9, 0x44, 0xd9, 0xbc, 0xec, 0x43];
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 16],
+    pub file_version: [u8; 4],
+    _unk1: u32,
+    ver1_bytes: [u8; 16],
+    ver2_bytes: [u8; 16],
+    _unk2: u16,
+    _type: u8,
+    pub keep_size: u32,
+    _unk3: u8,
+    pub data_start_offset: u32,
+    pub data_size: u32,
+    _data_size_2: u32,
+    pub skip_size: u32,
+    _unk4: u16,
+    _encryption_method: u8, // 0x01 - AES128, 0x02 - AES256
+    _hash_type: u8, // 0x01 - MD5, 0x02 - SHA1
+    ver3_bytes: [u8; 16],
+    ver4_bytes: [u8; 16],
+    _unk6: [u8; 11],
+    pub payload_count: u8,
+}
+impl Header {
+    pub fn ver1(&self) -> String {
+        common::string_from_bytes(&self.ver1_bytes).replace('\n', "")
+    }
+    pub fn ver2(&self) -> String {
+        common::string_from_bytes(&self.ver2_bytes).replace('\n', "")
+    }
+    pub fn ver3(&self) -> String {
+        common::string_from_bytes(&self.ver3_bytes).replace('\n', "")
+    }
+    pub fn ver4(&self) -> String {
+        common::string_from_bytes(&self.ver4_bytes).replace('\n', "")
+    }
+}
+
+#[derive(BinRead)]
+pub struct Entry {
+    name_bytes: [u8; 16],
+    pub start_offset: u32,
+    pub size: u32,
+}
+impl Entry {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+}

src/formats/invincible_image/mod.rs

@@ -0,0 +1,80 @@
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::{Path};
+use std::fs::{self, OpenOptions};
+use std::io::{Write, Read, Seek, SeekFrom, Cursor};
+use binrw::BinReaderExt;
+
+use crate::utils::aes::{decrypt_aes128_cbc_nopad};
+use crate::utils::common;
+use include::*;
+
+pub fn is_invincible_image_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+
+    let header = common::read_file(&file, 0, 16)?;
+    if header == b"INVINCIBLE_IMAGE" {
+        Ok(Some(Box::new(())))
+    } else {
+        Ok(None)
+    }
+}
+
+pub fn extract_invincible_image(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
+    let header: Header = file.read_le()?;
+    println!("File info:\nFile Version: {}.{}\nVersion(1): {}\nVersion(2): {}\nVersion(3): {}\nVersion(4): {}\nData size: {}\nData start offset: {}\nKeep data size: {}\nSkip data size: {}\n\nPayload Count: {}",
+            header.file_version[0], header.file_version[1], header.ver1(), header.ver2(), header.ver3(), header.ver4(), header.data_size, header.data_start_offset, header.keep_size, header.skip_size, header.payload_count);
+
+    let mut entries: Vec<Entry> = Vec::new();
+
+    for i in 0..header.payload_count {
+        let entry: Entry = file.read_le()?;
+        println!("{}. {}, Start offset: {}, Size: {}", 
+                i + 1, entry.name(), entry.start_offset, entry.size);
+        entries.push(entry);
+    }
+
+    if header.file_version[0] != 3 {
+        return Err("Unsupported format version! (Only 3 is supported right now)".into());
+    }
+
+    let mut encrypted_data = Vec::new();
+    let mut buffer = vec![0u8; header.keep_size as usize];
+
+    file.seek(SeekFrom::Start(header.data_start_offset.into()))?;
+
+    loop {
+        let bytes_read = file.read(&mut buffer)?;
+        if bytes_read == 0 {
+            break; // EOF
+        }
+        encrypted_data.extend_from_slice(&buffer[..bytes_read]);
+        file.seek(SeekFrom::Current(header.skip_size.into()))?;
+    }
+
+    println!("\nDecrypting data...");
+    let decrypted_data = decrypt_aes128_cbc_nopad(&encrypted_data, &V3_KEY, &V3_IV)?;
+
+    let mut data_reader = Cursor::new(decrypted_data);
+
+    let mut i = 1;
+    for entry in entries {
+        println!("\n({}/{}) - {}, Size: {}", i, header.payload_count, entry.name(), entry.size);
+        let data = common::read_exact(&mut data_reader, entry.size as usize)?;
+
+        let output_path = Path::new(&app_ctx.output_dir).join(entry.name() + ".bin");
+
+        fs::create_dir_all(&app_ctx.output_dir)?;
+        let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
+        out_file.write_all(&data)?;
+
+        println!("- Saved file!");
+        i += 1;
+    }
+
+    Ok(())
+}

src/formats/msd/mod.rs

@@ -1,3 +1,8 @@
+//MSD OUITH parsers
+pub mod msd_ouith_parser_old;
+pub mod msd_ouith_parser_tizen_1_8;
+pub mod msd_ouith_parser_tizen_1_9;
+
 // COMMON MSD FUNCTIONS
 use aes::Aes128;
 use cbc::{Decryptor, cipher::{block_padding::Pkcs7, BlockDecryptMut, KeyIvInit}};
@@ -7,7 +12,9 @@ type Aes128CbcDec = Decryptor<Aes128>;
 pub fn decrypt_aes_salted_old(encrypted_data: &[u8], passphrase_bytes: &Vec<u8>) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
     let mut data = encrypted_data.to_vec();
 
-    assert!(data[0..8].to_vec() == b"Salted__", "invalid encrypted data!");
+    if data[0..8].to_vec() != b"Salted__" {
+        return Err("Invalid encrypted data!".into());
+    }
     let salt = &data[8..16];
 
     //key = md5 of (passphrase + salt)
@@ -33,7 +40,9 @@ pub fn decrypt_aes_salted_old(encrypted_data: &[u8], passphrase_bytes: &Vec<u8>)
 pub fn decrypt_aes_salted_tizen(encrypted_data: &[u8], passphrase_bytes: &Vec<u8>) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
     let mut data = encrypted_data.to_vec();
 
-    assert!(data[0..8].to_vec() == b"Salted__", "invalid encrypted data!");
+    if data[0..8].to_vec() != b"Salted__" {
+        return Err("Invalid encrypted data!".into());
+    }
     let salt = &data[8..16];
 
     //iv = md5 of salt

src/formats/msd10/include.rs

@@ -0,0 +1,28 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct FileHeader {
+    _magic_bytes: [u8; 6],
+    pub section_count: u32
+}
+
+#[derive(BinRead)]
+pub struct SectionEntry {
+    pub index: u32,
+    pub offset: u32,
+    pub size: u32,
+}
+
+#[derive(BinRead)]
+pub struct HeaderEntry {
+    pub offset: u32,
+    pub size: u32,
+    _name_length: u8,
+    #[br(count = _name_length)] name_bytes: Vec<u8>,
+}
+impl HeaderEntry {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+}

src/formats/msd10/mod.rs

@@ -1,64 +1,42 @@
-use std::fs::{self, File, OpenOptions};
-use std::path::{Path};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::fs::{self, OpenOptions};
+use std::path::Path;
 use std::io::{Write, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
 use crate::keys;
 use crate::formats::msd::{decrypt_aes_salted_old, decrypt_aes_salted_tizen, decrypt_aes_tizen};
-use crate::utils::msd_ouith_parser_old::{parse_ouith_blob};
-use crate::utils::msd_ouith_parser_tizen_1_8::{parse_blob_1_8};
+use crate::formats::msd::msd_ouith_parser_old::{parse_ouith_blob};
+use crate::formats::msd::msd_ouith_parser_tizen_1_8::{parse_blob_1_8};
+use include::*;
 
-#[derive(BinRead)]
-struct FileHeader {
-    #[br(count = 6)] _magic_bytes: Vec<u8>,
-    section_count: u32
-}
+pub fn is_msd10_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-#[derive(BinRead)]
-struct SectionEntry {
-    index: u32,
-    offset: u32,
-    size: u32,
-}
-
-#[derive(BinRead)]
-struct HeaderEntry {
-    offset: u32,
-    size: u32,
-    _name_length: u8,
-    #[br(count = _name_length)] name_bytes: Vec<u8>,
-}
-impl HeaderEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-}
-
-struct Section {
-    index: u32,
-    offset: u32,
-    size: u32,
-}
-
-pub fn is_msd10_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 6).expect("Failed to read from file.");
+    let header = common::read_file(&file, 0, 6)?;
     if header == b"MSDU10" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_msd10(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_msd10(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+    let save_cmac = app_ctx.options.iter().any(|e| e == "msd10:save_cmac");
+
     let header: FileHeader = file.read_le()?;
     println!("\nNumber of sections: {}", header.section_count);
 
-    let mut sections: Vec<Section> = Vec::new();
+    let mut sections: Vec<SectionEntry> = Vec::new();
     for _i in 0..header.section_count {
         let section: SectionEntry = file.read_le()?;
         println!("Section {}: offset: {}, size: {}", section.index, section.offset, section.size);
-        sections.push(Section {index: section.index, offset: section.offset, size: section.size});
+        sections.push(section);
     }
 
     let _zero_padding = common::read_exact(&mut file, 4)?;
@@ -93,8 +71,7 @@ pub fn extract_msd10(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         passphrase_bytes = hex::decode(p)?;
         println!("Firmware type: {}", firmware_type);
     } else {
-        println!("Sorry, this firmware is not supported!");
-        std::process::exit(1);
+        return Err("This firmware is not supported!".into());
     }
 
     let toc_offset = headers[0].offset;
@@ -118,7 +95,9 @@ pub fn extract_msd10(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
             println!("\n({}/{}) - {}, Size: {}",
                     i + 1, items.len(), item.name, size);
 
-            assert!(sections[i as usize].index == item.item_id, "Item ID in TOC does not match ID from header!");
+            if sections[i as usize].index != item.item_id {
+                return Err("Item ID in TOC does not match ID from header!".into());
+            }
 
             let stored_data = common::read_file(&file, offset as u64, size as usize)?;
 
@@ -131,8 +110,8 @@ pub fn extract_msd10(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
                 out_data = stored_data;
             }
 
-            let output_path = Path::new(&output_folder).join(item.name.clone());
-            fs::create_dir_all(&output_folder)?;
+            let output_path = Path::new(&app_ctx.output_dir).join(format!("{}", item.name));
+            fs::create_dir_all(&app_ctx.output_dir)?;
             let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;   
             out_file.write_all(&out_data)?;
 
@@ -155,12 +134,19 @@ pub fn extract_msd10(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
             println!("\n({}/{}) - {}, Type: {}, Size: {}",
                     item.item_id, items.len(), item.name, type_str, item.all_size);
 
-            assert!(sections[i as usize].index == item.item_id, "Item ID in TOC does not match ID from header!");
+            if sections[i as usize].index != item.item_id {
+                return Err("Item ID in TOC does not match ID from header!".into());
+            }
 
-            if item.item_type == 0x11 { //Skip CMAC DATA
+            let mut out_filename = format!("{}", item.name);
+            if item.item_type == 0x11 { //CMAC DATA
+                if save_cmac {
+                    out_filename = format!("{}.cmac", item.name); //add an additional extension, because the CMAC data has the same name as its item
+                } else {
                     println!("- Skipping CMAC Data...");
                     continue
                 } 
+            }
             
             file.seek(SeekFrom::Start(offset as u64))?;
 
@@ -176,8 +162,8 @@ pub fn extract_msd10(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
                 out_data = stored_data;
             }
 
-            let output_path = Path::new(&output_folder).join(item.name.clone());
-            fs::create_dir_all(&output_folder)?;
+            let output_path = Path::new(&app_ctx.output_dir).join(out_filename);
+            fs::create_dir_all(&app_ctx.output_dir)?;
             let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
             out_file.write_all(&out_data)?;
 
@@ -185,7 +171,5 @@ pub fn extract_msd10(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         }
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/msd11/include.rs

@@ -0,0 +1,30 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct FileHeader {
+    _magic_bytes: [u8; 6],
+    _header_checksum: u32, //CRC32 of data with the size of "_header_size"
+    _header_size: u64,
+    pub section_count: u32,
+}
+
+#[derive(BinRead)]
+pub struct SectionEntry {
+    pub index: u32,
+    pub offset: u64,
+    pub size: u64,
+}
+
+#[derive(BinRead)]
+pub struct HeaderEntry {
+    pub offset: u64,
+    pub size: u32,
+    _name_length: u8,
+    #[br(count = _name_length)] name_bytes: Vec<u8>,
+}
+impl HeaderEntry {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+}

src/formats/msd11/mod.rs

@@ -1,65 +1,40 @@
-use std::fs::{self, File, OpenOptions};
-use std::path::{Path};
-use std::io::{Write};
-use binrw::{BinRead, BinReaderExt};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::fs::{self, OpenOptions};
+use std::path::Path;
+use std::io::Write;
+use binrw::BinReaderExt;
 
 use crate::utils::common;
 use crate::keys;
 use crate::formats::msd::{decrypt_aes_salted_tizen, decrypt_aes_tizen};
-use crate::utils::msd_ouith_parser_tizen_1_9::{parse_blob_1_9};
+use crate::formats::msd::msd_ouith_parser_tizen_1_9::{parse_blob_1_9};
+use include::*;
 
-#[derive(BinRead)]
-struct FileHeader {
-    #[br(count = 6)] _magic_bytes: Vec<u8>,
-    _header_checksum: u32, //CRC32 of data with the size of "_header_size"
-    _header_size: u64,
-    section_count: u32,
-}
+pub fn is_msd11_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-#[derive(BinRead)]
-struct SectionEntry {
-    index: u32,
-    offset: u64,
-    size: u64,
-}
-
-#[derive(BinRead)]
-struct HeaderEntry {
-    offset: u64,
-    size: u32,
-    _name_length: u8,
-    #[br(count = _name_length)] name_bytes: Vec<u8>,
-}
-impl HeaderEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-}
-
-struct Section {
-    index: u32,
-    offset: u64,
-    size: u64,
-}
-
-pub fn is_msd11_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 6).expect("Failed to read from file.");
+    let header = common::read_file(&file, 0, 6)?;
     if header == b"MSDU11" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_msd11(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_msd11(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
     let header: FileHeader = file.read_le()?;
     println!("\nNumber of sections: {}", header.section_count);
 
-    let mut sections: Vec<Section> = Vec::new();
+    let mut sections: Vec<SectionEntry> = Vec::new();
     for _i in 0..header.section_count {
         let section: SectionEntry = file.read_le()?;
         println!("Section {}: offset: {}, size: {}", section.index, section.offset, section.size);
-        sections.push(Section {index: section.index, offset: section.offset, size: section.size});
+        sections.push(section);
     }
 
     let header_count: u32 = file.read_le()?;
@@ -90,8 +65,7 @@ pub fn extract_msd11(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         println!("Passphrase: {}", p);
         passphrase_bytes = hex::decode(p)?;
     } else {
-        println!("Sorry, this firmware is not supported!");
-        std::process::exit(1);
+        return Err("This firmware is not supported!".into());
     }
 
     let toc_offset = headers[0].offset + 8;
@@ -113,7 +87,9 @@ pub fn extract_msd11(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         println!("\n({}/{}) - {}, Size: {}",
                 i + 1, items.len(), item.name, size);
 
-        assert!(sections[i as usize].index == item.item_id, "Item ID in TOC does not match ID from header!");
+        if sections[i as usize].index != item.item_id {
+            return Err("Item ID in TOC does not match ID from header!".into());
+        }
 
         let stored_data = common::read_file(&file, offset as u64, size as usize)?;
 
@@ -126,15 +102,13 @@ pub fn extract_msd11(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
             out_data = stored_data;
         }
 
-        let output_path = Path::new(&output_folder).join(item.name.clone());
-        fs::create_dir_all(&output_folder)?;
+        let output_path = Path::new(&app_ctx.output_dir).join(item.name.clone());
+        fs::create_dir_all(&app_ctx.output_dir)?;
         let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;   
         out_file.write_all(&out_data)?;
 
         println!("-- Saved file!");
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/mstar/include.rs

@@ -0,0 +1,7 @@
+pub fn parse_number(s: &str) -> Option<u64> {
+    if let Some(hex_str) = s.strip_prefix("0x") {
+        u64::from_str_radix(hex_str, 16).ok()
+    } else {
+        u64::from_str_radix(s, 16).ok()
+    }
+}

src/formats/mstar/mod.rs

@@ -1,37 +1,31 @@
-use std::fs::{self, File, OpenOptions};
-use std::path::{Path};
-use std::io::{Write};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::fs::{self, OpenOptions};
+use std::path::Path;
+use std::io::Write;
 
 use crate::utils::common;
 use crate::utils::compression::{decompress_lzma, decompress_lz4};
 use crate::utils::lzop::{unlzop_to_file};
 use crate::utils::sparse::{unsparse_to_file};
+use include::*;
 
-//change whether the "userdata" partition is skipped
-// this is because the userdata partition is sometimes enourmous sizes like 27gb, and it is empty anyways
-// if you want to extract "userdata" you can disable the option
-static CONFIG_SKIP_USERDATA: bool = true;
+pub fn is_mstar_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-pub fn is_mstar_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 32768).expect("Failed to read from file.");
+    let header = common::read_file(&file, 0, 32768)?;
     let header_string = String::from_utf8_lossy(&header);
-
     if header_string.contains("filepartload"){
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-fn parse_number(s: &str) -> Option<u64> {
-    if let Some(hex_str) = s.strip_prefix("0x") {
-        u64::from_str_radix(hex_str, 16).ok()
-    } else {
-        u64::from_str_radix(s, 16).ok()
-    }
-}
-
-pub fn extract_mstar(file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mstar(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let file = app_ctx.file().ok_or("Extractor expected file")?;
 
     let mut script = common::read_file(&file, 0, 32768)?;
 
@@ -53,7 +47,7 @@ pub fn extract_mstar(file: &File, output_folder: &str) -> Result<(), Box<dyn std
         script_string = String::from_utf8_lossy(&script);
 
         if script_string == "" {
-            println!("Failed to get script.");
+            return Err("Failed to get script".into());
         }
     }
 
@@ -132,12 +126,10 @@ pub fn extract_mstar(file: &File, output_folder: &str) -> Result<(), Box<dyn std
 
             if partname == "unknown" {
                 println!("- Unknown destination, skipping!");
-            } else if partname == "userdata" && CONFIG_SKIP_USERDATA {
-                println!("- Skipping userdata according to config!")
             } else {
                 let data = common::read_file(&file, offset, size.try_into().unwrap())?;
                 let out_data; 
-                let output_path = Path::new(&output_folder).join(format!("{}.bin", partname));
+                let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", partname));
 
                 if compression == "lzma" {
                     println!("- Decompressing LZMA...");
@@ -166,7 +158,7 @@ pub fn extract_mstar(file: &File, output_folder: &str) -> Result<(), Box<dyn std
                     out_data = data;
                 }
 
-                fs::create_dir_all(&output_folder)?;
+                fs::create_dir_all(&app_ctx.output_dir)?;
                 let mut out_file = OpenOptions::new().append(true).create(true).open(output_path)?;
                 out_file.write_all(&out_data)?;
                 println!("-- Saved file!");
@@ -176,8 +168,5 @@ pub fn extract_mstar(file: &File, output_folder: &str) -> Result<(), Box<dyn std
         i += 1;
     }
 
-    println!();
-    println!("Extraction finished!");
-
     Ok(())
 }

src/formats/mtk_bdp/include.rs

@@ -0,0 +1,65 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+pub fn find_bytes(data: &[u8], pattern: &[u8]) -> Option<usize> {
+    data.windows(pattern.len()).position(|window| window == pattern)
+}
+
+pub static PITIT_MAGIC: [u8; 8] = [0x69, 0x54, 0x49, 0x50, 0x69, 0x54, 0x49, 0x50];
+pub static PITIT_END_MARKER: u32 = 0x69_54_49_50; //PITi - end marker of PITIT
+
+#[derive(BinRead)]
+pub struct PITITPITEntry {
+	pub nand_size: u32,
+    pub pit_offset: u32,
+    pub pit_size: u32,
+    _table_id: u32,
+}
+
+#[derive(BinRead)]
+pub struct PITITBITEntry {
+	pub bit_offset: u32,
+    pub bit_size: u32,
+    _private_data_1: u32,
+    _private_data_2: u32,
+}
+
+#[derive(BinRead)]
+pub struct PITHeader {
+    pub pit_magic: [u8; 8],
+    _version: u32,
+    pub first_entry_offset: u32, //"header len"
+    pub entry_size: u32, //"item lenght"
+    pub entry_count: u32, //"item num"
+}
+
+pub static PIT_MAGIC: [u8; 8] = [0xDC, 0xEA, 0x30, 0x85, 0xDC, 0xEA, 0x30, 0x85];
+
+#[derive(BinRead)]
+pub struct PITEntry {
+    name_bytes: [u8; 16],
+    pub partition_id: u32,
+    _part_info: u32,
+    pub offset_on_nand: u32,
+    pub size_on_nand: u32,
+    _enc_size: u32,
+    _no_enc_size: u32,
+    _reserve: [u8; 24],
+}
+impl PITEntry {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct BITEntry {
+    pub partition_id: u32,
+    pub offset: u32,
+    pub size: u32,
+    pub offset_in_target_part: u32,
+    _bin_info: u32,  //"Bin info"
+}
+
+pub static BIT_MAGIC: [u8; 20] = [0xCD, 0xAB, 0x30, 0x85, 0xCD, 0xAB, 0x30, 0x85, 0xCD, 0xAB, 0x30, 0x85, 0xCD, 0xAB, 0x30, 0x85, 0xCD, 0xAB, 0x30, 0x85];
+pub static BIT_END_MARKER: u32 = 0x85_30_EF_EF; //EF EF 30 85 - end marker of BIT

src/formats/mtk_bdp/mod.rs

@@ -1,78 +1,21 @@
-use std::fs::File;
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::{Path};
 use std::fs::{self, OpenOptions};
 use std::io::{Seek, SeekFrom, Read, Write};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
+use include::*;
+
 pub struct MtkBdpContext {
     pitit_offset: u64,
 }
 
-static PITIT_MAGIC: [u8; 8] = [0x69, 0x54, 0x49, 0x50, 0x69, 0x54, 0x49, 0x50];
-static PITIT_END_MARKER: u32 = 0x69_54_49_50; //PITi - end marker of PITIT
-
-#[derive(BinRead)]
-struct PITITPITEntry {
-	nand_size: u32,
-    pit_offset: u32,
-    pit_size: u32,
-    _table_id: u32,
-}
-
-#[derive(BinRead)]
-struct PITITBITEntry {
-	bit_offset: u32,
-    bit_size: u32,
-    _private_data_1: u32,
-    _private_data_2: u32,
-}
-
-#[derive(BinRead)]
-struct PITHeader {
-    #[br(count = 8)] pit_magic: Vec<u8>,
-    _version: u32,
-    first_entry_offset: u32, //"header len"
-    entry_size: u32, //"item lenght"
-    entry_count: u32, //"item num"
-}
-
-static PIT_MAGIC: [u8; 8] = [0xDC, 0xEA, 0x30, 0x85, 0xDC, 0xEA, 0x30, 0x85];
-
-#[derive(BinRead)]
-struct PITEntry {
-    #[br(count = 16)] name_bytes: Vec<u8>,
-    partition_id: u32,
-    _part_info: u32,
-    offset_on_nand: u32,
-    size_on_nand: u32,
-    _enc_size: u32,
-    _no_enc_size: u32,
-    #[br(count = 24)] _reserve: Vec<u8>,
-}
-impl PITEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct BITEntry {
-    partition_id: u32,
-    offset: u32,
-    size: u32,
-    offset_in_target_part: u32,
-    _bin_info: u32,  //"Bin info"
-}
-
-static BIT_MAGIC: [u8; 20] = [0xCD, 0xAB, 0x30, 0x85, 0xCD, 0xAB, 0x30, 0x85, 0xCD, 0xAB, 0x30, 0x85, 0xCD, 0xAB, 0x30, 0x85, 0xCD, 0xAB, 0x30, 0x85];
-static BIT_END_MARKER: u32 = 0x85_30_EF_EF; //EF EF 30 85 - end marker of BIT
-
-fn find_bytes(data: &[u8], pattern: &[u8]) -> Option<usize> {
-    data.windows(pattern.len()).position(|window| window == pattern)
-}
-
-pub fn is_mtk_bdp_file(mut file: &File) -> Result<Option<MtkBdpContext>, Box<dyn std::error::Error>> {
+pub fn is_mtk_bdp_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let mut file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
     let file_size = file.metadata()?.len();
     let mut data = Vec::new();
 
@@ -83,14 +26,17 @@ pub fn is_mtk_bdp_file(mut file: &File) -> Result<Option<MtkBdpContext>, Box<dyn
     file.read_to_end(&mut data)?;
 
     if let Some(pos) = find_bytes(&data, &PITIT_MAGIC) {
-        Ok(Some(MtkBdpContext {pitit_offset: start_offset + pos as u64}))
+        Ok(Some(Box::new(MtkBdpContext {pitit_offset: start_offset + pos as u64})))
     } else {
         Ok(None)
     }
 }
 
-pub fn extract_mtk_bdp(mut file: &File, output_folder: &str, context: MtkBdpContext) -> Result<(), Box<dyn std::error::Error>> {
-    let offset = context.pitit_offset;
+pub fn extract_mtk_bdp(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+    let ctx = ctx.downcast::<MtkBdpContext>().expect("Missing context");
+
+    let offset = ctx.pitit_offset;
     println!("\nReading PITIT at: {}", offset);
 
     file.seek(SeekFrom::Start(offset + 8))?;
@@ -126,8 +72,7 @@ pub fn extract_mtk_bdp(mut file: &File, output_folder: &str, context: MtkBdpCont
     let mut pit_entries: Vec<PITEntry> = Vec::new();
     let pit_header: PITHeader = file.read_le()?;
     if pit_header.pit_magic != PIT_MAGIC {
-        println!("Invalid PIT Magic!");
-        return Ok(());
+        return Err("Invalid PIT magic!".into());
     }
     println!("PIT Info - First entry offs: {}, Entry size: {}, Entry count: {}", pit_header.first_entry_offset, pit_header.entry_size, pit_header.entry_count);
     file.seek(SeekFrom::Start(pit_offset + pit_header.first_entry_offset as u64))?;
@@ -144,8 +89,7 @@ pub fn extract_mtk_bdp(mut file: &File, output_folder: &str, context: MtkBdpCont
     let mut bit_entries: Vec<BITEntry> = Vec::new();
     let bit_magic = common::read_exact(&mut file, 20)?;
     if bit_magic != BIT_MAGIC {
-        println!("Invalid BIT Magic!");
-        return Ok(());
+        return Err("Invalid BIT magic!".into());
     }
 
     let mut bit_i = 0;
@@ -173,8 +117,8 @@ pub fn extract_mtk_bdp(mut file: &File, output_folder: &str, context: MtkBdpCont
 
         let data = common::read_file(&file, bit_entry.offset as u64, bit_entry.size as usize)?;
 
-        let output_path = Path::new(&output_folder).join(format!("{}.bin", name));
-        fs::create_dir_all(&output_folder)?;
+        let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", name));
+        fs::create_dir_all(&app_ctx.output_dir)?;
         let mut out_file = OpenOptions::new().read(true).write(true).create(true).open(output_path)?;
         out_file.seek(SeekFrom::Start(bit_entry.offset_in_target_part as u64))?;
         out_file.write_all(&data)?;
@@ -182,7 +126,5 @@ pub fn extract_mtk_bdp(mut file: &File, output_folder: &str, context: MtkBdpCont
         println!("-- Saved file!");
     }
     
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/mtk_pkg/include.rs

@@ -0,0 +1,63 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+pub static HEADER_KEY: [u8; 16] = [
+        0x09, 0x29, 0x10, 0x94, 0x09, 0x29, 0x10, 0x94,
+        0x09, 0x29, 0x10, 0x94, 0x09, 0x29, 0x10, 0x94,
+];
+
+pub static HEADER_IV: [u8; 16] = [0x00; 16];
+
+pub static MTK_HEADER_MAGIC: &[u8; 8] = b"#DH@FiRm";
+pub static MTK_RESERVED_MAGIC: &[u8; 16] = b"reserved mtk inc";
+pub static MTK_META_MAGIC: &[u8; 4] = b"iMtK";
+pub static MTK_META_PAD_MAGIC: &[u8; 4] = b"iPAd";
+pub static CRYPTED_HEADER_SIZE: usize = 0x30;
+
+pub static HEADER_SIZE: usize = 0x90;
+
+pub static PHILIPS_EXTRA_HEADER_SIZE: usize = 0x80;
+pub static _PHILIPS_FOOTER_SIGNATURE_SIZE: usize = 0x100;
+
+#[derive(BinRead)]
+pub struct Header {
+    pub vendor_magic_bytes: [u8; 4],
+    _mtk_magic: [u8; 8], //#DH@FiRm
+    version_bytes: [u8; 60],
+	pub file_size: u32,
+    _flags: u32,
+    product_name_bytes: [u8; 32],
+}
+impl Header {
+    pub fn vendor_magic(&self) -> String {
+        common::string_from_bytes(&self.vendor_magic_bytes)
+    }
+    pub fn version(&self) -> String {
+        common::string_from_bytes(&self.version_bytes)
+    }
+    pub fn product_name(&self) -> String {
+        common::string_from_bytes(&self.product_name_bytes)
+    }
+
+}
+
+#[derive(BinRead)]
+pub struct PartEntry {
+    name_bytes: [u8; 4],
+	pub flags: u32,
+    pub size: u32,
+}
+impl PartEntry {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+    pub fn is_valid(&self) -> bool {
+        self.name().is_ascii()
+    }
+    pub fn is_encrypted(&self) -> bool {
+        (self.flags & 1 << 0) != 0
+    }
+    pub fn is_compressed(&self) -> bool { //lzhs fs
+        (self.flags & 1 << 8) != 0
+    }
+}

src/formats/mtk_pkg/lzhs.rs

@@ -3,7 +3,7 @@ use std::io::{Write, Cursor, Seek, SeekFrom, Read};
 use binrw::{BinRead, BinReaderExt};
 use std::path::{PathBuf};
 
-use crate::utils::huffman_tables::{CHARLEN, POS};
+use super::huffman_tables::{CHARLEN, POS};
 use crate::utils::compression::{decompress_lz4};
 
 #[derive(BinRead)]
@@ -11,7 +11,7 @@ struct LzhsHeader {
     uncompressed_size: u32,
     compressed_size: u32,
     checksum_or_seg_idx: u16, //as checksum in normal lzhs header, as index in lzhs_fs header
-    #[br(count = 6)] padding: Vec<u8>,
+    padding: [u8; 6],
 }
 
 #[derive(BinRead)]
@@ -35,7 +35,7 @@ pub fn decompress_lzhs_fs_file2file(mut file: &File, output_file: PathBuf) -> Re
 
         //lz4 type uses a 4 byte checksum instead of 1(2) byte , so the padding is not 0 anymore
         //maybe this method will be changed
-        let is_lz4 = if lzhs_header.padding != b"\x00\x00\x00\x00\x00\x00" {true} else {false};
+        let is_lz4 = if &lzhs_header.padding != b"\x00\x00\x00\x00\x00\x00" {true} else {false};
 
         println!("[{}] Segment {} - Compressed size: {}, Decompressed size: {}, Expected Checksum: 0x{:02x?}",
                 if is_lz4 {"LZ4"} else {"LZHS"}, segment_header.checksum_or_seg_idx, lzhs_header.compressed_size, lzhs_header.uncompressed_size, lzhs_header.checksum_or_seg_idx);

src/formats/mtk_pkg/mod.rs

@@ -1,91 +1,38 @@
+pub mod include;
+pub mod lzhs;
+mod huffman_tables;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::Path;
-use std::fs::{self, File, OpenOptions};
+use std::fs::{self, OpenOptions};
 use std::io::{Write, Cursor, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
 use crate::utils::aes::{decrypt_aes128_cbc_nopad};
-use crate::utils::lzhs::{decompress_lzhs_fs_file2file};
 use crate::keys;
+use lzhs::{decompress_lzhs_fs_file2file};
+use include::*;
 
 pub struct MtkPkgContext {
     is_philips_variant: bool,
     decrypted_header: Vec<u8>,
 }
 
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 4)] vendor_magic_bytes: Vec<u8>,
-    #[br(count = 8)] _mtk_magic: Vec<u8>, //#DH@FiRm
-	#[br(count = 60)] version_bytes: Vec<u8>,
-	file_size: u32,
-    _flags: u32,
-    #[br(count = 32)] product_name_bytes: Vec<u8>,
-    #[br(count = 32)] _digest: Vec<u8>,
-}
-impl Header {
-    fn vendor_magic(&self) -> String {
-        common::string_from_bytes(&self.vendor_magic_bytes)
-    }
-    fn version(&self) -> String {
-        common::string_from_bytes(&self.version_bytes)
-    }
-    fn product_name(&self) -> String {
-        common::string_from_bytes(&self.product_name_bytes)
-    }
+pub fn is_mtk_pkg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-}
-
-#[derive(BinRead)]
-struct PartEntry {
-    #[br(count = 4)] name_bytes: Vec<u8>,
-	flags: u32,
-    size: u32,
-}
-impl PartEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-    fn is_valid(&self) -> bool {
-        self.name().is_ascii()
-    }
-    fn is_encrypted(&self) -> bool {
-        (self.flags & 1 << 0) != 0
-    }
-    fn is_compressed(&self) -> bool { //lzhs fs
-        (self.flags & 1 << 8) != 0
-    }
-}
-
-pub static MTK_HEADER_MAGIC: &[u8; 8] = b"#DH@FiRm";
-pub static MTK_RESERVED_MAGIC: &[u8; 16] = b"reserved mtk inc";
-pub static MTK_META_MAGIC: &[u8; 4] = b"iMtK";
-pub static MTK_META_PAD_MAGIC: &[u8; 4] = b"iPAd";
-pub static CRYPTED_HEADER_SIZE: usize = 0x30;
-
-static HEADER_SIZE: usize = 0x90;
-
-static PHILIPS_EXTRA_HEADER_SIZE: usize = 0x80;
-static _PHILIPS_FOOTER_SIGNATURE_SIZE: usize = 0x100;
-
-static HEADER_KEY: [u8; 16] = [
-        0x09, 0x29, 0x10, 0x94, 0x09, 0x29, 0x10, 0x94,
-        0x09, 0x29, 0x10, 0x94, 0x09, 0x29, 0x10, 0x94,
-];
-
-static HEADER_IV: [u8; 16] = [0x00; 16];
-
-pub fn is_mtk_pkg_file(file: &File) -> Result<Option<MtkPkgContext>, Box<dyn std::error::Error>> {
     let mut encrypted_header = common::read_file(&file, 0, HEADER_SIZE)?;
     let mut header = decrypt_aes128_cbc_nopad(&encrypted_header, &HEADER_KEY, &HEADER_IV)?;
     if &header[4..12] == MTK_HEADER_MAGIC {
-        Ok(Some(MtkPkgContext { is_philips_variant: false, decrypted_header: header}))
+        Ok(Some(Box::new(MtkPkgContext { is_philips_variant: false, decrypted_header: header})))
     } else {
         // try for philips which has additional 128 bytes at beginning
         encrypted_header = common::read_file(&file, PHILIPS_EXTRA_HEADER_SIZE as u64, HEADER_SIZE)?;
         header = decrypt_aes128_cbc_nopad(&encrypted_header, &HEADER_KEY, &HEADER_IV)?;
         if &header[4..12] == MTK_HEADER_MAGIC {
-            Ok(Some(MtkPkgContext { is_philips_variant: true, decrypted_header: header }))
+            Ok(Some(Box::new(MtkPkgContext { is_philips_variant: true, decrypted_header: header })))
         } else {
             Ok(None)
 
@@ -93,16 +40,19 @@ pub fn is_mtk_pkg_file(file: &File) -> Result<Option<MtkPkgContext>, Box<dyn std
     }
 }
 
-pub fn extract_mtk_pkg(mut file: &File, output_folder: &str, context: MtkPkgContext) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mtk_pkg(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+    let ctx = ctx.downcast::<MtkPkgContext>().expect("Missing context");
+
     let file_size = file.metadata()?.len();
-    let header = context.decrypted_header;
+    let header = ctx.decrypted_header;
     let mut hdr_reader = Cursor::new(header); 
     let hdr: Header = hdr_reader.read_le()?;
 
     println!("File info:\nFile size: {}\nVendor magic: {}\nVersion info: {}\nProduct name: {}" , 
             hdr.file_size, hdr.vendor_magic(), hdr.version(), hdr.product_name());
 
-    if context.is_philips_variant {
+    if ctx.is_philips_variant {
         file.seek(SeekFrom::Start(HEADER_SIZE as u64 + PHILIPS_EXTRA_HEADER_SIZE as u64))?;
     } else {
         file.seek(SeekFrom::Start(HEADER_SIZE as u64))?;
@@ -189,13 +139,13 @@ pub fn extract_mtk_pkg(mut file: &File, output_folder: &str, context: MtkPkgCont
         };
         
         //for compressed part create temp file
-        let output_path = Path::new(&output_folder).join(part_entry.name() + if part_entry.is_compressed() {".lzhs"} else {".bin"});
-        fs::create_dir_all(&output_folder)?;
+        let output_path = Path::new(&app_ctx.output_dir).join(part_entry.name() + if part_entry.is_compressed() {".lzhs"} else {".bin"});
+        fs::create_dir_all(&app_ctx.output_dir)?;
         let mut out_file = OpenOptions::new().write(true).read(true)/* for lzhs */.create(true).open(&output_path)?;
         out_file.write_all(&out_data[CRYPTED_HEADER_SIZE + extra_header_len as usize..])?;
 
         if part_entry.is_compressed() {
-            let lzhs_out_path = Path::new(&output_folder).join(part_entry.name() + ".bin");
+            let lzhs_out_path = Path::new(&app_ctx.output_dir).join(part_entry.name() + ".bin");
             match decompress_lzhs_fs_file2file(&out_file, lzhs_out_path) {
                 Ok(()) => {
                     println!("- Decompressed Successfully!");
@@ -212,7 +162,5 @@ pub fn extract_mtk_pkg(mut file: &File, output_folder: &str, context: MtkPkgCont
         println!("-- Saved file!");
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/mtk_pkg_new/include.rs

@@ -0,0 +1 @@
+pub static HEADER_SIZE: usize = 0x170;

src/formats/mtk_pkg_new/mod.rs

@@ -1,14 +1,18 @@
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::Path;
-use std::fs::{self, File, OpenOptions};
+use std::fs::{self, OpenOptions};
 use std::io::{Write, Cursor, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
 use crate::utils::aes::{decrypt_aes128_cbc_nopad};
-use crate::utils::lzhs::{decompress_lzhs_fs_file2file};
 use crate::keys;
-
-use crate::formats::mtk_pkg::{MTK_HEADER_MAGIC, MTK_META_MAGIC, MTK_META_PAD_MAGIC};
+use crate::formats::mtk_pkg::lzhs::{decompress_lzhs_fs_file2file};
+use crate::formats::mtk_pkg::include::{Header, PartEntry, MTK_HEADER_MAGIC, MTK_META_MAGIC, MTK_META_PAD_MAGIC};
+use include::*;
 
 pub struct MtkPkgNewContext {
     matching_key_name: String,
@@ -17,54 +21,9 @@ pub struct MtkPkgNewContext {
     decrypted_header: Vec<u8>,
 }
 
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 4)] vendor_magic_bytes: Vec<u8>,
-    #[br(count = 8)] _mtk_magic: Vec<u8>, //#DH@FiRm
-	#[br(count = 56)] version_bytes: Vec<u8>,
-    _unk: u32,
-	file_size: u32,
-    _flags: u32,
-    #[br(count = 32)] product_name_bytes: Vec<u8>,
-    #[br(count = 256)] _digest: Vec<u8>,
-}
-impl Header {
-    fn vendor_magic(&self) -> String {
-        common::string_from_bytes(&self.vendor_magic_bytes)
-    }
-    fn version(&self) -> String {
-        common::string_from_bytes(&self.version_bytes)
-    }
-    fn product_name(&self) -> String {
-        common::string_from_bytes(&self.product_name_bytes)
-    }
+pub fn is_mtk_pkg_new_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-}
-
-#[derive(BinRead)]
-struct PartEntry {
-    #[br(count = 4)] name_bytes: Vec<u8>,
-	flags: u32,
-    size: u32,
-}
-impl PartEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-    fn is_valid(&self) -> bool {
-        self.name().is_ascii()
-    }
-    fn is_encrypted(&self) -> bool {
-        (self.flags & 1 << 0) != 0
-    }
-    fn is_compressed(&self) -> bool { //lzhs fs
-        (self.flags & 1 << 8) != 0
-    }
-}
-
-static HEADER_SIZE: usize = 0x170;
-
-pub fn is_mtk_pkg_new_file(file: &File) -> Result<Option<MtkPkgNewContext>, Box<dyn std::error::Error>> {
     let encrypted_header = common::read_file(&file, 0, HEADER_SIZE)?;
     for (key_hex, iv_hex, name) in keys::MTK_PKG_CUST {
         let key_array: [u8; 16] = hex::decode(key_hex)?.as_slice().try_into()?;
@@ -72,26 +31,29 @@ pub fn is_mtk_pkg_new_file(file: &File) -> Result<Option<MtkPkgNewContext>, Box<
         let try_decrypt = decrypt_aes128_cbc_nopad(&encrypted_header, &key_array, &iv_array)?;
 
         if &try_decrypt[4..12] == MTK_HEADER_MAGIC {    
-            return Ok(Some(MtkPkgNewContext {
+            return Ok(Some(Box::new(MtkPkgNewContext {
                 matching_key_name: name.to_string(),
                 matching_key_key: key_array,
                 matching_key_iv: iv_array,
                 decrypted_header: try_decrypt
-            }));
+            })));
         }
     }
 
     Ok(None)
 }
 
-pub fn extract_mtk_pkg_new(mut file: &File, output_folder: &str, context: MtkPkgNewContext) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mtk_pkg_new(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+    let ctx = ctx.downcast::<MtkPkgNewContext>().expect("Missing context");
+
     let file_size = file.metadata()?.len();
 
     //the key was founf, and header was decrypted at detection stage so we can reuse
-    println!("Using key {}", context.matching_key_name);
-    let key_array = context.matching_key_key;
-    let iv_array = context.matching_key_iv;
-    let header = context.decrypted_header;
+    println!("Using key {}", ctx.matching_key_name);
+    let key_array = ctx.matching_key_key;
+    let iv_array = ctx.matching_key_iv;
+    let header = ctx.decrypted_header;
 
     let mut hdr_reader = Cursor::new(header); 
     let hdr: Header = hdr_reader.read_le()?;
@@ -147,13 +109,13 @@ pub fn extract_mtk_pkg_new(mut file: &File, output_folder: &str, context: MtkPkg
         };
         
         //for compressed part create temp file
-        let output_path = Path::new(&output_folder).join(part_entry.name() + if part_entry.is_compressed() {".lzhs"} else {".bin"});
-        fs::create_dir_all(&output_folder)?;
+        let output_path = Path::new(&app_ctx.output_dir).join(part_entry.name() + if part_entry.is_compressed() {".lzhs"} else {".bin"});
+        fs::create_dir_all(&app_ctx.output_dir)?;
         let mut out_file = OpenOptions::new().write(true).read(true)/* for lzhs */.create(true).open(&output_path)?;
         out_file.write_all(&out_data[48 + extra_header_len as usize..])?;
 
         if part_entry.is_compressed() {
-            let lzhs_out_path = Path::new(&output_folder).join(part_entry.name() + ".bin");
+            let lzhs_out_path = Path::new(&app_ctx.output_dir).join(part_entry.name() + ".bin");
             match decompress_lzhs_fs_file2file(&out_file, lzhs_out_path) {
                 Ok(()) => {
                     println!("-- Decompressed Successfully!");
@@ -170,7 +132,5 @@ pub fn extract_mtk_pkg_new(mut file: &File, output_folder: &str, context: MtkPkg
         println!("-- Saved file!");
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/mtk_pkg_old/include.rs

@@ -0,0 +1,33 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+pub static KEY: u32 = 0x94102909; //09 29 10 94
+// first 4 bytes of header and content are additionally XORed, they have different masks although only differ by half a byte
+pub static HEADER_XOR_MASK: u32 = 0x04BE7C75; //75 7C BE 04
+pub static CONTENT_XOR_MASK: u32 = 0x04BE7C72; //72 7C BE 04
+
+pub static HEADER_SIZE: usize = 0x98;
+
+#[derive(BinRead)]
+pub struct Header {
+    pub vendor_magic_bytes: [u8; 4],
+    _mtk_magic: [u8; 8],
+    version_bytes: [u8; 68],
+	pub file_size: u32,
+    _flags: u32,
+    product_name_bytes: [u8; 32],
+    _digest: [u8; 32],
+}
+impl Header {
+    pub fn vendor_magic(&self) -> String {
+        common::string_from_bytes(&self.vendor_magic_bytes)
+    }
+    pub fn version(&self) -> String {
+        common::string_from_bytes(&self.version_bytes)
+    }
+    pub fn product_name(&self) -> String {
+        common::string_from_bytes(&self.product_name_bytes)
+    }
+
+}
+

src/formats/mtk_pkg_old/mod.rs

@@ -1,81 +1,42 @@
+mod include;
+mod mtk_crypto;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::Path;
-use std::fs::{self, File, OpenOptions};
+use std::fs::{self, OpenOptions};
 use std::io::{Write, Cursor, Seek};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
-use crate::utils::mtk_crypto::{decrypt};
-use crate::utils::lzhs::{decompress_lzhs_fs_file2file_old};
+use crate::formats::mtk_pkg::lzhs::{decompress_lzhs_fs_file2file_old};
+use crate::formats::mtk_pkg::include::{PartEntry, MTK_HEADER_MAGIC, MTK_META_MAGIC, MTK_META_PAD_MAGIC};
+use mtk_crypto::{decrypt};
+use include::*;
 
-static KEY: u32 = 0x94102909; //09 29 10 94
-// first 4 bytes of header and content are additionally XORed, they have different masks although only differ by half a byte
-static HEADER_XOR_MASK: u32 = 0x04BE7C75; //75 7C BE 04
-static CONTENT_XOR_MASK: u32 = 0x04BE7C72; //72 7C BE 04
+pub fn is_mtk_pkg_old_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let mut file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
     
-use crate::formats::mtk_pkg::{MTK_HEADER_MAGIC, MTK_META_MAGIC, MTK_META_PAD_MAGIC};
-
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 4)] vendor_magic_bytes: Vec<u8>,
-    #[br(count = 8)] _mtk_magic: Vec<u8>, //#DH@FiRm
-	#[br(count = 68)] version_bytes: Vec<u8>,
-	file_size: u32,
-    _flags: u32,
-    #[br(count = 32)] product_name_bytes: Vec<u8>,
-    #[br(count = 32)] _digest: Vec<u8>,
-}
-impl Header {
-    fn vendor_magic(&self) -> String {
-        common::string_from_bytes(&self.vendor_magic_bytes)
-    }
-    fn version(&self) -> String {
-        common::string_from_bytes(&self.version_bytes)
-    }
-    fn product_name(&self) -> String {
-        common::string_from_bytes(&self.product_name_bytes)
-    }
-
-}
-
-#[derive(BinRead)]
-struct PartEntry {
-    #[br(count = 4)] name_bytes: Vec<u8>,
-	flags: u32,
-    size: u32,
-}
-impl PartEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-    fn is_encrypted(&self) -> bool {
-        (self.flags & 1 << 0) == 1 << 0
-    }
-    fn is_compressed(&self) -> bool { //lzhs fs
-        (self.flags & 1 << 8) != 0
-    }
-}
-
-static HEADER_SIZE: usize = 0x98;
-
-pub fn is_mtk_pkg_old_file(mut file: &File) -> bool {
-    let encrypted_header = common::read_file(&file, 0, HEADER_SIZE).expect("Failed to read from file.");
+    let encrypted_header = common::read_file(&file, 0, HEADER_SIZE)?;
     let header = decrypt(&encrypted_header, KEY, Some(HEADER_XOR_MASK));
     if &header[4..12] == MTK_HEADER_MAGIC {
-        true
+        Ok(Some(Box::new(())))
     } else if &header[68..76] == MTK_HEADER_MAGIC {
         //check for 64 byte additional header used in some Sony and Philips firmwares and skip it
-        file.seek(std::io::SeekFrom::Start(64)).expect("Failed to seek");
-        true
+        file.seek(std::io::SeekFrom::Start(64))?;
+        Ok(Some(Box::new(())))
     } else if &header[132..140] == MTK_HEADER_MAGIC {
         //check for 128 byte additional header used in some Philips firmwares and skip it
-        file.seek(std::io::SeekFrom::Start(128)).expect("Failed to seek");
-        true
+        file.seek(std::io::SeekFrom::Start(128))?;
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_mtk_pkg_old(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mtk_pkg_old(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
     let file_size = file.metadata()?.len();
     let encrypted_header = common::read_exact(&mut file, HEADER_SIZE)?;
     let header = decrypt(&encrypted_header, KEY, Some(HEADER_XOR_MASK));
@@ -118,13 +79,13 @@ pub fn extract_mtk_pkg_old(mut file: &File, output_folder: &str) -> Result<(), B
         };
 
         //for compressed part create temp file
-        let output_path = Path::new(&output_folder).join(part_entry.name() + if part_entry.is_compressed() {".lzhs"} else {".bin"});
-        fs::create_dir_all(&output_folder)?;
+        let output_path = Path::new(&app_ctx.output_dir).join(part_entry.name() + if part_entry.is_compressed() {".lzhs"} else {".bin"});
+        fs::create_dir_all(&app_ctx.output_dir)?;
         let mut out_file = OpenOptions::new().write(true).read(true)/* for lzhs */.create(true).open(&output_path)?;
         out_file.write_all(&out_data[extra_header_len as usize..])?;
 
         if part_entry.is_compressed() {
-            let lzhs_out_path = Path::new(&output_folder).join(part_entry.name() + ".bin");
+            let lzhs_out_path = Path::new(&app_ctx.output_dir).join(part_entry.name() + ".bin");
             match decompress_lzhs_fs_file2file_old(&out_file, lzhs_out_path) {
                 Ok(()) => {
                     println!("- Decompressed Successfully!");
@@ -141,7 +102,5 @@ pub fn extract_mtk_pkg_old(mut file: &File, output_folder: &str) -> Result<(), B
         println!("-- Saved file!");
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/novatek.rs

@@ -1,80 +0,0 @@
-use std::fs::File;
-use std::path::Path;
-use std::fs::{self, OpenOptions};
-use std::io::{Write};
-
-use binrw::{BinRead, BinReaderExt};
-
-use crate::utils::common;
-
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 4)] _magic_bytes: Vec<u8>,
-    version_major: u32,
-    version_minor: u32,
-    _unused: u32,
-    #[br(count = 16)] firmware_name_bytes: Vec<u8>,
-    data_size: u32,
-    #[br(count = 16)] _md5_checksum: Vec<u8>, //data checksum
-    part_count: u32,
-    _data_start_offset: u32,
-    #[br(count = 128)] _signature: Vec<u8>,
-    _header_checksum: u32, //CRC32, calculated with the field set to 0
-}
-impl Header {
-    fn firmware_name(&self) -> String {
-        common::string_from_bytes(&self.firmware_name_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct PartEntry {
-    id: u32,
-    size: u32,
-    offset: u32,
-    #[br(count = 16)] _md5_checksum: Vec<u8>,
-}
-
-pub fn is_novatek_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 4).expect("Failed to read from file.");
-    if header == b"NFWB" {
-        true
-    } else {
-        false
-    }
-}
-
-pub fn extract_novatek(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    let header: Header = file.read_le()?;
-
-    println!("File info:\nFirmware name: {}\nVersion: {}.{}\nData size: {}\nPart count: {}",
-            header.firmware_name(), header.version_major, header.version_minor, header.data_size, header.part_count);
-
-    let mut entries: Vec<PartEntry> = Vec::new();
-    for _i in 0..header.part_count {
-        let part: PartEntry = file.read_le()?;
-        entries.push(part);
-    }
-
-    let mut e_i = 0;
-    for entry in &entries {
-        e_i += 1;
-        println!("\n({}/{}) - ID: {}, Offset: {}, Size: {}", e_i, entries.len(), entry.id, entry.offset, entry.size);
-
-        let data = common::read_file(&file, entry.offset as u64, entry.size as usize)?;
-
-        let output_path = Path::new(&output_folder).join(format!("{}_{}.bin", e_i, entry.id));
-
-        fs::create_dir_all(&output_folder)?;
-        let mut out_file = OpenOptions::new()
-            .write(true)
-            .create(true)
-            .open(output_path)?;
-            
-        out_file.write_all(&data)?;
-
-        println!("- Saved file!");
-    }
-
-    Ok(())
-}

src/formats/novatek/include.rs

@@ -0,0 +1,30 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 4],
+    pub version_major: u32,
+    pub version_minor: u32,
+    _unused: u32,
+    firmware_name_bytes: [u8; 16],
+    pub data_size: u32,
+    _md5_checksum: [u8; 16], //data checksum
+    pub part_count: u32,
+    _data_start_offset: u32,
+    _signature: [u8; 128],
+    _header_checksum: u32, //CRC32, calculated with the field set to 0
+}
+impl Header {
+    pub fn firmware_name(&self) -> String {
+        common::string_from_bytes(&self.firmware_name_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct PartEntry {
+    pub id: u32,
+    pub size: u32,
+    pub offset: u32,
+    _md5_checksum: [u8; 16],
+}

src/formats/novatek/mod.rs

@@ -0,0 +1,54 @@
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::Path;
+use std::fs::{self, OpenOptions};
+use std::io::Write;
+use binrw::BinReaderExt;
+
+use crate::utils::common;
+use include::*;
+
+pub fn is_novatek_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+
+    let header = common::read_file(&file, 0, 4)?;
+    if header == b"NFWB" {
+        Ok(Some(Box::new(())))
+    } else {
+        Ok(None)
+    }
+}
+
+pub fn extract_novatek(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
+    let header: Header = file.read_le()?;
+    println!("File info:\nFirmware name: {}\nVersion: {}.{}\nData size: {}\nPart count: {}",
+            header.firmware_name(), header.version_major, header.version_minor, header.data_size, header.part_count);
+
+    let mut entries: Vec<PartEntry> = Vec::new();
+    for _i in 0..header.part_count {
+        let part: PartEntry = file.read_le()?;
+        entries.push(part);
+    }
+
+    let mut e_i = 0;
+    for entry in &entries {
+        e_i += 1;
+        println!("\n({}/{}) - ID: {}, Offset: {}, Size: {}", e_i, entries.len(), entry.id, entry.offset, entry.size);
+
+        let data = common::read_file(&file, entry.offset as u64, entry.size as usize)?;
+
+        let output_path = Path::new(&app_ctx.output_dir).join(format!("{}_{}.bin", e_i, entry.id));
+
+        fs::create_dir_all(&app_ctx.output_dir)?;
+        let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;       
+        out_file.write_all(&data)?;
+
+        println!("- Saved file!");
+    }
+
+    Ok(())
+}

src/formats/nvt_timg.rs

@@ -1,106 +0,0 @@
-use std::str;
-use std::path::{Path};
-use std::io::{Seek, Write};
-use std::fs::{self, File, OpenOptions};
-use binrw::{BinRead, BinReaderExt};
-
-use crate::utils::common;
-use crate::utils::compression::{decompress_gzip};
-use crate::utils::sparse::{unsparse_to_file};
-
-#[derive(Debug, BinRead)]
-struct TIMG {
-    #[br(count = 4)] _magic_bytes: Vec<u8>, //TIMG
-    _unused1: u32,
-    data_size: u32,
-    _unused2: u32,
-    #[br(count = 16)] _md5_checksum: Vec<u8>,
-    #[br(count = 256)] _signature: Vec<u8>,
-}
-
-#[derive(Debug, BinRead)]
-struct PIMG {
-    #[br(count = 4)] magic_bytes: Vec<u8>, //PIMG
-    _unused1: u32,
-    size: u32,
-    _unused2: u32,
-    #[br(count = 16)] _md5_checksum: Vec<u8>,
-    #[br(count = 16)] name_bytes: Vec<u8>,
-    #[br(count = 64)] dest_dev_bytes: Vec<u8>,
-    #[br(count = 16)] comp_type_bytes: Vec<u8>,
-    _unknown1: u32,
-    #[br(count = 1024)] _comment: Vec<u8>,
-    _unknown2: u32,
-}
-impl PIMG {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-    fn dest_dev(&self) -> String {
-        common::string_from_bytes(&self.dest_dev_bytes)
-    }
-    fn comp_type(&self) -> String {
-        common::string_from_bytes(&self.comp_type_bytes)
-    }
-}
-
-pub fn is_nvt_timg_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 4).expect("Failed to read from file.");
-    if header == b"TIMG" {
-        true
-    } else {
-        false
-    }
-}
-
-pub fn extract_nvt_timg(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    let file_size = file.metadata()?.len();
-    let timg: TIMG = file.read_le()?;
-    println!("File info:\nData size: {}", timg.data_size);
-
-    let mut pimg_i = 0;
-    while file.stream_position()? < file_size as u64 {
-        pimg_i += 1;
-        let pimg: PIMG = file.read_le()?;
-        if pimg.magic_bytes != b"PIMG" {
-            println!("Invalid PIMG magic!");
-            return Ok(());
-        }
-
-        let data = common::read_exact(&mut file, pimg.size as usize)?;
-
-        println!("\n#{} - {}, Size: {}, Dest: {}, Compression: {}", pimg_i, pimg.name(), pimg.size, pimg.dest_dev(), pimg.comp_type());
-
-        let out_data;
-        let output_path = Path::new(&output_folder).join(pimg.name() + ".bin");
-
-        if pimg.comp_type() == "gzip" && data.starts_with(b"\x1F\x8B") { //additionally check for gzip header, because sometimes its deceptive
-            println!("- Decompressing gzip...");
-            out_data = decompress_gzip(&data)?;
-        } else if pimg.comp_type() == "none" || pimg.comp_type() == "" {
-            out_data = data;
-        } else if pimg.comp_type() == "sparse" {
-            println!("- Unsparsing...");
-            unsparse_to_file(&data, output_path)?;
-            println!("-- Saved file!");
-            continue
-        } else {
-            println!("- Warning: unsupported compression type!");
-            out_data = data;
-        }
-
-        fs::create_dir_all(&output_folder)?;
-        let mut out_file = OpenOptions::new()
-            .write(true)
-            .create(true)
-            .open(output_path)?;
-
-        out_file.write_all(&out_data)?;
-
-        println!("-- Saved file!");
-    }
-
-    println!("\nExtraction finished!");
-
-    Ok(())
-}

src/formats/nvt_timg/include.rs

@@ -0,0 +1,38 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(Debug, BinRead)]
+pub struct TIMG {
+    _magic_bytes: [u8; 4], //TIMG
+    _unused1: u32,
+    pub data_size: u32,
+    _unused2: u32,
+    _md5_checksum: [u8; 16],
+    _signature: [u8; 256],
+}
+
+#[derive(Debug, BinRead)]
+pub struct PIMG {
+    pub magic_bytes: [u8; 4], //PIMG
+    _unused1: u32,
+    pub size: u32,
+    _unused2: u32,
+    _md5_checksum: [u8; 16],
+    name_bytes: [u8; 16],
+    dest_dev_bytes: [u8; 64],
+    comp_type_bytes: [u8; 16],
+    _unknown1: u32,
+    _comment: [u8; 1024],
+    _unknown2: u32,
+}
+impl PIMG {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+    pub fn dest_dev(&self) -> String {
+        common::string_from_bytes(&self.dest_dev_bytes)
+    }
+    pub fn comp_type(&self) -> String {
+        common::string_from_bytes(&self.comp_type_bytes)
+    }
+}

src/formats/nvt_timg/mod.rs

@@ -0,0 +1,71 @@
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::Path;
+use std::io::{Seek, Write};
+use std::fs::{self, OpenOptions};
+use binrw::BinReaderExt;
+
+use crate::utils::common;
+use crate::utils::compression::{decompress_gzip};
+use crate::utils::sparse::{unsparse_to_file};
+use include::*;
+
+pub fn is_nvt_timg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+
+    let header = common::read_file(&file, 0, 4)?;
+    if header == b"TIMG" {
+        Ok(Some(Box::new(())))
+    } else {
+        Ok(None)
+    }
+}
+
+pub fn extract_nvt_timg(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
+    let file_size = file.metadata()?.len();
+    let timg: TIMG = file.read_le()?;
+    println!("File info:\nData size: {}", timg.data_size);
+
+    let mut pimg_i = 0;
+    while file.stream_position()? < file_size as u64 {
+        pimg_i += 1;
+        let pimg: PIMG = file.read_le()?;
+        if &pimg.magic_bytes != b"PIMG" {
+            return Err("Invalid PIMG magic!".into());
+        }
+
+        let data = common::read_exact(&mut file, pimg.size as usize)?;
+
+        println!("\n#{} - {}, Size: {}, Dest: {}, Compression: {}", pimg_i, pimg.name(), pimg.size, pimg.dest_dev(), pimg.comp_type());
+
+        let out_data;
+        let output_path = Path::new(&app_ctx.output_dir).join(pimg.name() + ".bin");
+
+        if pimg.comp_type() == "gzip" && data.starts_with(b"\x1F\x8B") { //additionally check for gzip header, because sometimes its deceptive
+            println!("- Decompressing gzip...");
+            out_data = decompress_gzip(&data)?;
+        } else if pimg.comp_type() == "none" || pimg.comp_type() == "" {
+            out_data = data;
+        } else if pimg.comp_type() == "sparse" {
+            println!("- Unsparsing...");
+            unsparse_to_file(&data, output_path)?;
+            println!("-- Saved file!");
+            continue
+        } else {
+            println!("- Warning: unsupported compression type, saving stored data!");
+            out_data = data;
+        }
+
+        fs::create_dir_all(&app_ctx.output_dir)?;
+        let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
+        out_file.write_all(&out_data)?;
+
+        println!("-- Saved file!");
+    }
+
+    Ok(())
+}

src/formats/pana_dvd/include.rs

@@ -0,0 +1,132 @@
+use crate::utils::common;
+use binrw::BinRead;
+use super::pana_dvd_crypto::{decrypt_data};
+use crate::utils::aes::{decrypt_aes128_cbc_nopad};
+
+pub fn find_key<'a>(key_array: &'a [&'a str], data: &[u8], expected_magic: &[u8], magic_offset: usize) -> Result<Option<[u8; 8]>, Box<dyn std::error::Error>> {
+    for key_hex in key_array {
+        let key_bytes = hex::decode(key_hex)?;
+        let key_array: [u8; 8] = key_bytes.as_slice().try_into()?;
+        let decrypted = decrypt_data(data, &key_array);
+     
+        if decrypted[magic_offset..].starts_with(expected_magic) {
+            return Ok(Some(key_array));
+        }
+    }
+    Ok(None)
+}
+
+pub fn find_aes_key_pair<'a>(key_array: &'a [(&'a str, &'a str, &'a str)], data: &[u8], expected_magic: &[u8], magic_offset: usize) -> Result<Option<([u8; 16], [u8; 16], [u8; 8])>, Box<dyn std::error::Error>> {
+    for (aes_key_hex, aes_iv_hex, cust_key_hex) in key_array {
+        let aes_key: [u8; 16] = hex::decode(aes_key_hex)?.as_slice().try_into()?;
+        let aes_iv: [u8; 16] = hex::decode(aes_iv_hex)?.as_slice().try_into()?;
+        let aes_decrypted = decrypt_aes128_cbc_nopad(data, &aes_key, &aes_iv)?;
+
+        let key_bytes = hex::decode(cust_key_hex)?;
+        let key_array: [u8; 8] = key_bytes.as_slice().try_into()?;
+        let decrypted = decrypt_data(&aes_decrypted, &key_array);
+     
+        if decrypted[magic_offset..].starts_with(expected_magic) {
+            return Ok(Some((aes_key, aes_iv, key_array)));
+        }
+    }
+    Ok(None)
+}
+
+pub static MAX_HEADER_SIZE: usize = 0x2000;
+
+#[derive(BinRead)]
+pub struct AesHeaderFileEntry {
+    pub offset: u32,
+    pub size: u32,
+}
+
+pub struct FileEntry {
+    pub offset: u32,
+    pub base_offset: u32,
+}
+
+//checksums are mostly Adler32, but some very old files use Checksum32 instead.
+
+#[derive(BinRead)]
+pub struct ModuleEntry {
+    #[br(count = 4)] pub name_bytes: Vec<u8>,
+    version_bytes: [u8; 4],
+    _unk: u32,
+    pub offset: u32,
+    platform_bytes: [u8; 8],
+    _unk1: u16,
+    id_bytes: [u8; 6],
+    pub size: u32,
+    pub data_checksum: u32, //checksum of the entrys' DATA
+    _unk2: u32,
+    _entry_checksum: u32, //checksum of THIS header entry (all previous 44 bytes)
+}
+impl ModuleEntry {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_bytes)
+    }
+    pub fn version(&self) -> String {
+        common::string_from_bytes(&self.version_bytes)
+    }
+    pub fn platform(&self) -> String {
+        common::string_from_bytes(&self.platform_bytes)
+    }
+    pub fn id(&self) -> String {
+        common::string_from_bytes(&self.id_bytes)
+    }
+    pub fn is_valid(&self) -> bool {
+        self.name().is_ascii() && self.platform().is_ascii()
+    }
+}
+
+#[derive(BinRead)]
+pub struct MainListHeader {
+    _checksum: u32, //checksum of the MAIN LIST
+    _unk: u32, //seems to be always 1?
+    pub list_size: u32,
+    pub decompressed_part_size: u32,
+    _unk2: u32,
+}
+impl MainListHeader {
+    pub fn entry_count(&self) -> u32 {
+        (&self.list_size - 20) / 8
+    }
+}
+
+#[derive(BinRead)]
+pub struct MainListEntry {
+    pub size: u32,
+    pub checksum: u32, //checksum of this MAIN entrys' data
+}
+
+pub const COMPRESSED_FILE_MAGIC: &[u8; 8] = b"EXTRHEAD";
+
+#[derive(BinRead)]
+pub struct CompressedFileHeader {
+    _header_string: [u8; 14], //EXTRHEADDRV \x01\x00
+    pub compression_type_byte: u16,
+    pub decompressed_size: u32,
+    _destination_address: u32,
+    pub compressed_size: u32,
+    _unk: u32,
+    _footer_offset: u32,
+    _base_address: u32,
+    _checksum: u32, //unknown type of checksum
+    _checksum_flag: u8,
+    _unused: [u8; 19],
+}
+impl CompressedFileHeader {
+    pub fn compression_type(&self) -> &str {
+        if self.compression_type_byte == 0 {
+            return "Uncompressed"
+        } else if self.compression_type_byte == 1 {
+            return "GZIP"
+        } else if self.compression_type_byte == 2 {
+            return "LZSS"
+        } else {
+            return "Unknown"
+        }
+    }
+}
+

src/formats/pana_dvd/mod.rs

@@ -1,15 +1,21 @@
-use std::fs::File;
+mod include;
+mod pana_dvd_crypto;
+mod lzss;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::{Path, PathBuf};
 use std::fs::{self, OpenOptions};
 use std::io::{Write, Read, Cursor, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::keys;
 use crate::utils::common;
-use crate::utils::pana_dvd_crypto::{decrypt_data};
 use crate::utils::aes::{decrypt_aes128_cbc_nopad};
 use crate::utils::compression::{decompress_gzip};
-use crate::utils::lzss::{decompress_lzss};
+use pana_dvd_crypto::{decrypt_data};
+use lzss::{decompress_lzss};
+use include::*;
 
 pub struct PanaDvdContext {
     matching_key: [u8; 8],
@@ -19,165 +25,42 @@ pub struct PanaDvdContext {
     aes_iv: Option<[u8; 16]>
 }
 
-#[derive(BinRead)]
-struct AesHeaderFileEntry {
-    offset: u32,
-    size: u32,
-}
-
-struct FileEntry {
-    offset: u32,
-    base_offset: u32,
-}
-
-//checksums are mostly Adler32, but some very old files use Checksum32 instead.
-
-#[derive(BinRead)]
-struct ModuleEntry {
-    #[br(count = 4)] name_bytes: Vec<u8>,
-    #[br(count = 4)] version_bytes: Vec<u8>,
-    _unk: u32,
-    offset: u32,
-    #[br(count = 8)] platform_bytes: Vec<u8>,
-    _unk1: u16,
-    #[br(count = 6)] id_bytes: Vec<u8>,
-    size: u32,
-    data_checksum: u32, //checksum of the entrys' DATA
-    _unk2: u32,
-    _entry_checksum: u32, //checksum of THIS header entry (all previous 44 bytes)
-}
-impl ModuleEntry {
-    fn name(&self) -> String {
-        common::string_from_bytes(&self.name_bytes)
-    }
-    fn version(&self) -> String {
-        common::string_from_bytes(&self.version_bytes)
-    }
-    fn platform(&self) -> String {
-        common::string_from_bytes(&self.platform_bytes)
-    }
-    fn id(&self) -> String {
-        common::string_from_bytes(&self.id_bytes)
-    }
-    fn is_valid(&self) -> bool {
-        self.name().is_ascii() && self.platform().is_ascii()
-    }
-}
-
-#[derive(BinRead)]
-struct MainListHeader {
-    _checksum: u32, //checksum of the MAIN LIST
-    _unk: u32, //seems to be always 1?
-    list_size: u32,
-    decompressed_part_size: u32,
-    _unk2: u32,
-}
-impl MainListHeader {
-    fn entry_count(&self) -> u32 {
-        (&self.list_size - 20) / 8
-    }
-}
-
-#[derive(BinRead)]
-struct MainListEntry {
-    size: u32,
-    checksum: u32, //checksum of this MAIN entrys' data
-}
-
-const COMPRESSED_FILE_MAGIC: &[u8; 8] = b"EXTRHEAD";
-
-#[derive(BinRead)]
-struct CompressedFileHeader {
-    #[br(count = 14)] _header_string: Vec<u8>, //EXTRHEADDRV \x01\x00
-    compression_type_byte: u16,
-    decompressed_size: u32,
-    _destination_address: u32,
-    compressed_size: u32,
-    _unk: u32,
-    _footer_offset: u32,
-    _base_address: u32,
-    _checksum: u32, //unknown type of checksum
-    _checksum_flag: u8,
-    #[br(count = 19)] _unused: Vec<u8>,
-}
-impl CompressedFileHeader {
-    fn compression_type(&self) -> &str {
-        if self.compression_type_byte == 0 {
-            return "Uncompressed"
-        } else if self.compression_type_byte == 1 {
-            return "GZIP"
-        } else if self.compression_type_byte == 2 {
-            return "LZSS"
-        } else {
-            return "Unknown"
-        }
-    }
-}
-
-static MAX_HEADER_SIZE: usize = 0x2000;
-
-pub fn find_key<'a>(key_array: &'a [&'a str], data: &[u8], expected_magic: &[u8], magic_offset: usize) -> Result<Option<[u8; 8]>, Box<dyn std::error::Error>> {
-    for key_hex in key_array {
-        let key_bytes = hex::decode(key_hex)?;
-        let key_array: [u8; 8] = key_bytes.as_slice().try_into()?;
-        let decrypted = decrypt_data(data, &key_array);
-     
-        if decrypted[magic_offset..].starts_with(expected_magic) {
-            return Ok(Some(key_array));
-        }
-    }
-    Ok(None)
-}
-
-pub fn find_aes_key_pair<'a>(key_array: &'a [(&'a str, &'a str, &'a str)], data: &[u8], expected_magic: &[u8], magic_offset: usize) -> Result<Option<([u8; 16], [u8; 16], [u8; 8])>, Box<dyn std::error::Error>> {
-    for (aes_key_hex, aes_iv_hex, cust_key_hex) in key_array {
-        let aes_key: [u8; 16] = hex::decode(aes_key_hex)?.as_slice().try_into()?;
-        let aes_iv: [u8; 16] = hex::decode(aes_iv_hex)?.as_slice().try_into()?;
-        let aes_decrypted = decrypt_aes128_cbc_nopad(data, &aes_key, &aes_iv)?;
-
-        let key_bytes = hex::decode(cust_key_hex)?;
-        let key_array: [u8; 8] = key_bytes.as_slice().try_into()?;
-        let decrypted = decrypt_data(&aes_decrypted, &key_array);
-     
-        if decrypted[magic_offset..].starts_with(expected_magic) {
-            return Ok(Some((aes_key, aes_iv, key_array)));
-        }
-    }
-    Ok(None)
-}
-
-pub fn is_pana_dvd_file(file: &File) -> Result<Option<PanaDvdContext>, Box<dyn std::error::Error>> {
+pub fn is_pana_dvd_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
     let header = common::read_file(&file, 0, 64)?;
     if let Some(matching_key) = find_key(&keys::PANA_DVD_KEYONLY, &header, b"PROG", 0)? {
-        Ok(Some(PanaDvdContext {
+        Ok(Some(Box::new(PanaDvdContext {
             matching_key: matching_key,
             base_hdr_size: 0,
             is_aes: false,
             aes_key: None, 
             aes_iv: None,
-        }))
+        })))
     } else if header.starts_with(b"PANASONIC\x00\x00\x00") && let Some(matching_key) = find_key(&keys::PANA_DVD_KEYONLY, &header, b"PROG", 48)? {
-        Ok(Some(PanaDvdContext {
+        Ok(Some(Box::new(PanaDvdContext {
             matching_key: matching_key,
             base_hdr_size: 48,
             is_aes: false,
             aes_key: None, 
             aes_iv: None,
-        }))
+        })))
     } else if let Some((aes_key, aes_iv, matching_key)) = find_aes_key_pair(&keys::PANA_DVD_AESPAIR, &header, b"PANASONIC", 32)? {
-        Ok(Some(PanaDvdContext {
+        Ok(Some(Box::new(PanaDvdContext {
             matching_key: matching_key,
             base_hdr_size: 48,
             is_aes: true,
             aes_key: Some(aes_key), 
             aes_iv: Some(aes_iv),
-        }))
+        })))
     } else {
         Ok(None)
     }
 }
 
-pub fn extract_pana_dvd(mut file: &File, output_folder: &str, context: PanaDvdContext) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_pana_dvd(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+    let context = ctx.downcast::<PanaDvdContext>().expect("Missing context");
+
     let mut data = Vec::new();  // we need to load the entire file into memory so we can swap it with AES decrypted data if its AES encrypted
     file.read_to_end(&mut data)?;
     let mut file_reader = Cursor::new(data);
@@ -213,21 +96,19 @@ pub fn extract_pana_dvd(mut file: &File, output_folder: &str, context: PanaDvdCo
     if file_entries.len() == 1 {
         //only one file, standard extraction
         println!("File contains no extra sub-files...\n");
-        extract_file(&mut file_reader, file_entries[0].offset as u64, file_entries[0].base_offset as u64, matching_key, output_folder)?;
+        extract_file(&mut file_reader, file_entries[0].offset as u64, file_entries[0].base_offset as u64, matching_key, &app_ctx.output_dir)?;
     } else {
         println!("File contains {} sub-files...", file_entries.len());
         for (i, file_entry ) in file_entries.iter().enumerate() {
             println!("\nExtracting file {}/{} - Offset: {}, base: {}", i + 1, file_entries.len(), file_entry.offset, file_entry.base_offset);
-            extract_file(&mut file_reader, file_entry.offset as u64, file_entry.base_offset as u64, matching_key, &format!("{}/file_{}", output_folder, i + 1))?;
+            extract_file(&mut file_reader, file_entry.offset as u64, file_entry.base_offset as u64, matching_key, &app_ctx.output_dir.join(format!("file_{}", i + 1)))?;
         }
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }
 
-fn extract_file(file_reader: &mut Cursor<Vec<u8>>, offset: u64, base_offset: u64, key: [u8; 8], output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+fn extract_file(file_reader: &mut Cursor<Vec<u8>>, offset: u64, base_offset: u64, key: [u8; 8], output_folder: &PathBuf) -> Result<(), Box<dyn std::error::Error>> {
     file_reader.seek(SeekFrom::Start(offset + base_offset))?;
  
     let enc_header = common::read_exact(file_reader, MAX_HEADER_SIZE)?;

src/formats/pfl_upg/include.rs

@@ -0,0 +1,67 @@
+use crate::utils::common;
+use binrw::BinRead;
+use aes::Aes256;
+use ecb::{Decryptor, cipher::{BlockDecryptMut, KeyInit, generic_array::GenericArray}};
+
+pub static AUTO_FWS: &[(&str, &str)] = &[
+    ("Q5551", "q5551"),
+    ("Q5553", "q5551"),
+    ("Q554E", "q5551"),
+    ("Q554M", "q5551"),
+    ("QF1EU", "qf1eu"),
+    ("QF2EU", "qf1eu"),
+    ("Q591E", "q591e"),
+    ("Q522E", "q522e"),
+    ("Q582E", "q522e"),
+    ("Q5481", "q5481"),
+    ("Q5431", "q5431"),
+    ("Q5492", "q5492"),
+    ("S5551", "q5551"), //Sharp
+];
+
+type Aes256EcbDec = Decryptor<Aes256>;
+
+pub fn decrypt_aes256_ecb(key: &[u8], ciphertext: &[u8]) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
+    let key_array: [u8; 32] = key.try_into()?;
+
+    let mut decryptor = Aes256EcbDec::new(&key_array.into());
+    let mut buffer = ciphertext.to_vec();
+
+    for chunk in buffer.chunks_exact_mut(16) {
+        let block: &mut [u8; 16] = chunk.try_into()?;
+        decryptor.decrypt_block_mut(GenericArray::from_mut_slice(block));
+    }
+    
+    Ok(buffer)
+}
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 8],
+    pub header_size: u32,
+    pub data_size: u32,
+	_crc32: u32,
+	pub mask: u32,
+	_data_size_decompressed: u32,
+	_padding2: u32,
+	description_bytes: [u8; 512],
+}
+impl Header {
+    pub fn description(&self) -> String {
+        common::string_from_bytes(&self.description_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct FileHeader {
+    file_name_bytes: [u8; 60],
+    pub real_size: u32,
+	pub stored_size: u32,
+	pub header_size: u32,
+    pub attributes: [u8; 4],
+}
+impl FileHeader {
+    pub fn file_name(&self) -> String {
+        common::string_from_bytes(&self.file_name_bytes)
+    }
+}

src/formats/pfl_upg/mod.rs

@@ -1,90 +1,32 @@
-use std::fs::{File};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
 use rsa::{RsaPublicKey, BigUint};
 use hex::decode;
 use std::path::Path;
 use std::io::{Read, Cursor, Write};
 use std::fs::{self, OpenOptions};
-
-use aes::Aes256;
-use ecb::{Decryptor, cipher::{BlockDecryptMut, KeyInit, generic_array::GenericArray}};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
 use crate::keys;
+use include::*;
 
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 8)] _magic_bytes: Vec<u8>,
-    header_size: u32,
-    data_size: u32,
-	#[br(count = 4)] _crc32: Vec<u8>,
-	mask: u32,
-	_data_size_decompressed: u32,
-	_padding2: u32,
-	#[br(count = 512)] description_bytes: Vec<u8>,
-}
-impl Header {
-    fn description(&self) -> String {
-        common::string_from_bytes(&self.description_bytes)
-    }
-}
+pub fn is_pfl_upg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-#[derive(BinRead)]
-struct FileHeader {
-    #[br(count = 60)] file_name_bytes: Vec<u8>,
-    real_size: u32,
-	stored_size: u32,
-	header_size: u32,
-    #[br(count = 4)] attributes: Vec<u8>,
-}
-impl FileHeader {
-    fn file_name(&self) -> String {
-        common::string_from_bytes(&self.file_name_bytes)
-    }
-}
-
-pub fn is_pfl_upg_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 8).expect("Failed to read from file.");
+    let header = common::read_file(&file, 0, 8)?;
     if header == b"2SWU3TXV" {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-static AUTO_FWS: &[(&str, &str)] = &[
-    ("Q5551", "q5551"),
-    ("Q5553", "q5551"),
-    ("Q554E", "q5551"),
-    ("Q554M", "q5551"),
-    ("QF1EU", "qf1eu"),
-    ("QF2EU", "qf1eu"),
-    ("Q591E", "q591e"),
-    ("Q522E", "q522e"),
-    ("Q582E", "q522e"),
-    ("Q5481", "q5481"),
-    ("Q5431", "q5431"),
-    ("Q5492", "q5492"),
-    ("S5551", "q5551"), //Sharp
-];
+pub fn extract_pfl_upg(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
 
-type Aes256EcbDec = Decryptor<Aes256>;
-
-fn decrypt_aes256_ecb(key: &[u8], ciphertext: &[u8]) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
-    let key_array: [u8; 32] = key.try_into()?;
-
-    let mut decryptor = Aes256EcbDec::new(&key_array.into());
-    let mut buffer = ciphertext.to_vec();
-
-    for chunk in buffer.chunks_exact_mut(16) {
-        let block: &mut [u8; 16] = chunk.try_into()?;
-        decryptor.decrypt_block_mut(GenericArray::from_mut_slice(block));
-    }
-    
-    Ok(buffer)
-}
-
-pub fn extract_pfl_upg(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
     let header: Header = file.read_le()?; 
     let signature = common::read_exact(&mut file, 128)?;
     let _ = common::read_exact(&mut file, 32)?; //unknown
@@ -110,8 +52,7 @@ pub fn extract_pfl_upg(mut file: &File, output_folder: &str) -> Result<(), Box<d
             }
         }
         if key.is_none() {
-            println!("Sorry, this firmware is not supported!");
-            std::process::exit(1);
+            return Err("This firmware is not supported!".into());
         }
 
         //get key
@@ -157,7 +98,7 @@ pub fn extract_pfl_upg(mut file: &File, output_folder: &str) -> Result<(), Box<d
         //its a folder not a file
         if (file_header.attributes[3] & (1 << 1)) != 0 {
             println!("\nFolder - {}", file_header.file_name());
-            let output_path = Path::new(&output_folder).join(file_header.file_name().trim_start_matches('/'));
+            let output_path = Path::new(&app_ctx.output_dir).join(file_header.file_name().trim_start_matches('/'));
             fs::create_dir_all(output_path)?;
             continue
         }
@@ -175,7 +116,7 @@ pub fn extract_pfl_upg(mut file: &File, output_folder: &str) -> Result<(), Box<d
         println!("\nFile - {}, Size: {}", file_name, file_header.real_size);
         let data = common::read_exact(&mut data_reader, file_header.stored_size as usize)?;
 
-        let output_path = Path::new(&output_folder).join(file_name.trim_start_matches('/'));
+        let output_path = Path::new(&app_ctx.output_dir).join(file_name.trim_start_matches('/'));
         let output_path_parent = output_path.parent().expect("Failed to get parent of the output path!");
 
         //prevent collisions
@@ -188,11 +129,8 @@ pub fn extract_pfl_upg(mut file: &File, output_folder: &str) -> Result<(), Box<d
             fs::create_dir_all(parent)?;
         }
 
-        fs::create_dir_all(&output_folder)?;
-        let mut out_file = OpenOptions::new()
-            .write(true)
-            .create(true)
-            .open(output_path)?;
+        fs::create_dir_all(&app_ctx.output_dir)?;
+        let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
 
         out_file.write_all(&data[..file_header.real_size as usize])?;
 
@@ -204,7 +142,5 @@ pub fn extract_pfl_upg(mut file: &File, output_folder: &str) -> Result<(), Box<d
         println!("- Saved file!");
     }
     
-    println!("\nExtraction finished!");
-    
     Ok(())
 }

src/formats/pup/include.rs

@@ -0,0 +1,45 @@
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct Header {
+	_magic_bytes: [u8; 4],
+	_unk1: u32,
+    _unk2: u16,
+    _flags: u8,
+    _unk3: u8,
+    _header_size: u16,
+    _hash_size: u16,
+    pub file_size: u64,
+    pub entry_count: u16,
+    _hash_count: u16,
+    _unk4: u32,
+}
+
+#[derive(BinRead, Clone)]
+pub struct Entry {
+    pub flags: u32,
+    _unk1: u32,
+    pub offset: u64,
+    pub compressed_size: u64,
+    pub uncompressed_size: u64,
+}
+impl Entry {
+    pub fn id(&self) -> u32 {
+        self.flags >> 20
+    }
+    pub fn is_compressed(&self) -> bool {
+        (self.flags & 8) != 0
+    }
+    pub fn is_blocked(&self) -> bool {
+        (self.flags & 0x800) != 0
+    }
+    pub fn is_block_table(&self) -> bool {
+        (self.flags & 1) != 0
+    }
+}
+
+#[derive(BinRead, Clone)]
+pub struct BlockEntry {
+    pub offset: u32,
+    pub size: u32,
+}

src/formats/pup/mod.rs

@@ -1,67 +1,31 @@
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::{Path};
-use std::fs::{self, File, OpenOptions};
-use binrw::{BinRead, BinReaderExt};
+use std::fs::{self, OpenOptions};
+use binrw::BinReaderExt;
 use std::io::{Write, Seek, SeekFrom};
 
 use crate::utils::common;
 use crate::utils::compression::{decompress_zlib};
+use include::*;
 
-#[derive(BinRead)]
-struct Header {
-	#[br(count = 4)] _magic_bytes: Vec<u8>,
-	_unk1: u32,
-    _unk2: u16,
-    _flags: u8,
-    _unk3: u8,
-    _header_size: u16,
-    _hash_size: u16,
-    file_size: u64,
-    entry_count: u16,
-    _hash_count: u16,
-    _unk4: u32,
-}
+pub fn is_pup_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-#[derive(BinRead, Clone)]
-struct Entry {
-    flags: u32,
-    _unk1: u32,
-    offset: u64,
-    compressed_size: u64,
-    uncompressed_size: u64,
-}
-impl Entry {
-    fn id(&self) -> u32 {
-        self.flags >> 20
-    }
-    fn is_compressed(&self) -> bool {
-        (self.flags & 8) != 0
-    }
-    fn is_blocked(&self) -> bool {
-        (self.flags & 0x800) != 0
-    }
-    fn is_block_table(&self) -> bool {
-        (self.flags & 1) != 0
-    }
-}
-
-#[derive(BinRead, Clone)]
-struct BlockEntry {
-    offset: u32,
-    size: u32,
-}
-
-pub fn is_pup_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 4).expect("Failed to read from file.");
+    let header = common::read_file(&file, 0, 4)?;
     if header == b"\x4F\x15\x3D\x1D" || header == b"\x54\x14\xF5\xEE" { //ps4, ps5
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_pup(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    let header: Header = file.read_le()?;
+pub fn extract_pup(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
 
+    let header: Header = file.read_le()?;
     println!("File info:\nFile size: {}\nEntry count: {}",
             header.file_size, header.entry_count);
 
@@ -132,14 +96,10 @@ pub fn extract_pup(mut file: &File, output_folder: &str) -> Result<(), Box<dyn s
                     out_data = data;
                 }
 
-                let output_path = Path::new(&output_folder).join(format!("{}.bin", entry.id()));
-            
-                fs::create_dir_all(&output_folder)?;
-                let mut out_file = OpenOptions::new()
-                    .append(true)
-                    .create(true)
-                    .open(output_path)?;
+                let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", entry.id()));
             
+                fs::create_dir_all(&app_ctx.output_dir)?;
+                let mut out_file = OpenOptions::new().append(true).create(true).open(output_path)?;       
                 out_file.write_all(&out_data)?;
 
                 println!("-- Saved!");
@@ -158,14 +118,10 @@ pub fn extract_pup(mut file: &File, output_folder: &str) -> Result<(), Box<dyn s
                 out_data = data;
             }
 
-            let output_path = Path::new(&output_folder).join(format!("{}.bin", entry.id()));
-            
-            fs::create_dir_all(&output_folder)?;
-            let mut out_file = OpenOptions::new()
-                .write(true)
-                .create(true)
-                .open(output_path)?;
+            let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", entry.id()));
             
+            fs::create_dir_all(&app_ctx.output_dir)?;
+            let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;        
             out_file.write_all(&out_data)?;
 
             println!("-- Saved file!");
@@ -177,6 +133,5 @@ pub fn extract_pup(mut file: &File, output_folder: &str) -> Result<(), Box<dyn s
 
     } 
 
-    println!("\nExtraction finished!");
     Ok(())
 }

src/formats/roku/include.rs

@@ -0,0 +1,49 @@
+use binrw::BinRead;
+
+pub static FILE_KEY: [u8; 16] = [
+        0x2A, 0x54, 0xA5, 0x30, 0xE0, 0x09, 0xA3, 0xDC,
+        0x03, 0xFB, 0xC3, 0x5E, 0x23, 0xA2, 0xC1, 0x0D,
+];
+
+pub static FILE_IV: [u8; 16] = [0x00; 16];
+
+#[derive(BinRead)]
+pub struct ImageHeader {
+    _empty: [u8; 8],
+    _magic_bytes: [u8; 8], //imgARMcC
+    _target_bytes: [u8; 4],
+    _platform_id: [u8; 4],
+    pub image_type: u32,
+    pub size1: u32,
+    _size2: u32,
+    pub data_start_offset: u32,
+    _data_link_address: u32,
+    _data_entry_point_offset: u32,
+    pub flags: u32,
+    _timestamp: u32,
+    _build_host: [u8; 4],
+    _unk: [u8; 4],
+    _rest_of_header: [u8; 192],
+}
+impl ImageHeader {
+    pub fn is_encrypted(&self) -> bool {
+        self.flags == 0x80
+    }
+    pub fn type_string(&self) -> &str {
+        if self.image_type == 0xa {
+            return "initfs"
+        } else if self.image_type == 0x18 {
+            return "uImage"
+        } else if self.image_type == 0x3 {
+            return "loader"
+        } else if self.image_type == 0xd {
+            return "app_cramfs"
+        } else if self.image_type == 0x6 {
+            return "Customization Package"
+        } else if self.image_type == 0xe {
+            return "firmware_blob"
+        } else {
+            return "unknown"
+        }
+    }
+}

src/formats/roku/mod.rs

@@ -1,72 +1,33 @@
-use std::fs::{self, File, OpenOptions};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::fs::{self, OpenOptions};
 use std::path::Path;
 use std::io::{Write, Seek, Read, Cursor};
 use tar::Archive;
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 
 use crate::utils::common;
 use crate::utils::aes::{decrypt_aes128_cbc_nopad, decrypt_aes128_cbc_pcks7};
+use include::*;
 
-static FILE_KEY: [u8; 16] = [
-        0x2A, 0x54, 0xA5, 0x30, 0xE0, 0x09, 0xA3, 0xDC,
-        0x03, 0xFB, 0xC3, 0x5E, 0x23, 0xA2, 0xC1, 0x0D,
-];
+pub fn is_roku_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-static FILE_IV: [u8; 16] = [0x00; 16];
-
-#[derive(BinRead)]
-struct ImageHeader {
-    #[br(count = 8)] _empty: Vec<u8>,
-    #[br(count = 8)] _magic_bytes: Vec<u8>, //imgARMcC
-	#[br(count = 4)] _target_bytes: Vec<u8>,
-    #[br(count = 4)] _platform_id: Vec<u8>,
-    image_type: u32,
-    size1: u32,
-    _size2: u32,
-    data_start_offset: u32,
-    _data_link_address: u32,
-    _data_entry_point_offset: u32,
-    flags: u32,
-    _timestamp: u32,
-    #[br(count = 4)] _build_host: Vec<u8>,
-    #[br(count = 4)] _unk: Vec<u8>,
-    #[br(count = 192)] _rest_of_header: Vec<u8>,
-}
-impl ImageHeader {
-    fn is_encrypted(&self) -> bool {
-        self.flags == 0x80
-    }
-    fn type_string(&self) -> &str {
-        if self.image_type == 0xa {
-            return "initfs"
-        } else if self.image_type == 0x18 {
-            return "uImage"
-        } else if self.image_type == 0x3 {
-            return "loader"
-        } else if self.image_type == 0xd {
-            return "app_cramfs"
-        } else if self.image_type == 0x6 {
-            return "Customization Package"
-        } else if self.image_type == 0xe {
-            return "firmware_blob"
-        } else {
-            return "unknown"
-        }
-    }
-}
-
-pub fn is_roku_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 32).expect("Failed to read from file.");
-    let try_decrypt_header = decrypt_aes128_cbc_nopad(&header, &FILE_KEY, &FILE_IV).expect("Decryption error!");
+    let header = common::read_file(&file, 0, 32)?;
+    let try_decrypt_header = decrypt_aes128_cbc_nopad(&header, &FILE_KEY, &FILE_IV)?;
 
     if try_decrypt_header.starts_with(b"manifest\x00\x00\x00\x00\x00\x00\x00\x00") {
-        true
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-pub fn extract_roku(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_roku(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
     let mut encrypted_data = Vec::new();
     file.read_to_end(&mut encrypted_data)?;
 
@@ -109,7 +70,7 @@ pub fn extract_roku(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
                         common::read_exact(&mut image_reader, image.size1 as usize - image.data_start_offset as usize)?
                     };
 
-                    let folder_path = Path::new(&output_folder).join(&path);
+                    let folder_path = Path::new(&app_ctx.output_dir).join(&path);
                     let output_path = Path::new(&folder_path).join(format!("{}_{}.bin", i, image.type_string()));
 
                     fs::create_dir_all(&folder_path)?;
@@ -123,9 +84,9 @@ pub fn extract_roku(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
 
             } else {
                 println!("\nOther/Unknown file: {:?}", path);
-                let output_path = Path::new(&output_folder).join(&path);
+                let output_path = Path::new(&app_ctx.output_dir).join(&path);
 
-                fs::create_dir_all(&output_folder)?;
+                fs::create_dir_all(&app_ctx.output_dir)?;
                 let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
                 out_file.write_all(&contents)?;
 
@@ -134,6 +95,5 @@ pub fn extract_roku(mut file: &File, output_folder: &str) -> Result<(), Box<dyn
         }
     }
 
-    println!("\nExtraction finished!");
     Ok(())
 }

src/formats/ruf/include.rs

@@ -0,0 +1,64 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct RufHeader {
+    _magic_bytes: [u8; 6],
+    _upgrade_type_bytes: [u8; 2],
+	_unk1: u32,
+    date_time_bytes: [u8; 32],
+    buyer_bytes: [u8; 8],
+    model_bytes: [u8; 32],
+    region_info_bytes: [u8; 32],
+    pub version_bytes: [u8; 4],
+    pub data_size: u32,
+    _unk2: [u8; 20],
+    pub dual_ruf_flag: u32,
+    _unk3: [u8; 44],
+    pub payload_count: u16,
+    _payload_entry_size: u16,
+    pub payloads_start_offset: u32,
+}
+impl RufHeader {
+    pub fn date_time(&self) -> String {
+        common::string_from_bytes(&self.date_time_bytes)
+    }
+    pub fn buyer(&self) -> String {
+        common::string_from_bytes(&self.buyer_bytes)
+    }
+    pub fn model(&self) -> String {
+        common::string_from_bytes(&self.model_bytes)
+    }
+    pub fn region_info(&self) -> String {
+        common::string_from_bytes(&self.region_info_bytes)
+    }
+    pub fn is_dual_ruf(&self) -> bool {
+        if self.dual_ruf_flag == 0x44 {true} else {false}
+    }
+}
+
+#[derive(BinRead)]
+pub struct RufEntry {
+    _metadata: [u8; 32],
+    pub payload_type_bytes: u32,
+	pub size: u32,
+    _unk1: u32,
+    _unk2: [u8; 20],
+}
+impl RufEntry {
+    pub fn payload_type(&self) -> &str {
+        if self.payload_type_bytes == 1 {
+            return "squashfs"
+        } else if self.payload_type_bytes == 2 {
+            return "cfe"
+        } else if self.payload_type_bytes == 3 {
+            return "vmlinuz"
+        } else if self.payload_type_bytes == 4 {
+            return "loader"
+        } else if self.payload_type_bytes == 5 {
+            return "splash"
+        } else {
+            return "unknown"
+        }
+    }
+}

src/formats/ruf/mod.rs

@@ -1,99 +1,45 @@
-use std::path::{Path};
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::{Path, PathBuf};
 use std::fs::{self, File, OpenOptions};
-use binrw::{BinRead, BinReaderExt};
+use binrw::BinReaderExt;
 use std::io::{Write, Seek, SeekFrom, Cursor};
 
 use crate::utils::common;
 use crate::keys;
 use crate::utils::aes::{decrypt_aes128_cbc_pcks7};
+use include::*;
 
-#[derive(BinRead)]
-struct RufHeader {
-    #[br(count = 6)] _magic_bytes: Vec<u8>,
-    #[br(count = 2)] _upgrade_type_bytes: Vec<u8>,
-	_unk1: u32,
-    #[br(count = 32)] date_time_bytes: Vec<u8>,
-    #[br(count = 8)] buyer_bytes: Vec<u8>,
-    #[br(count = 32)] model_bytes: Vec<u8>,
-    #[br(count = 32)] region_info_bytes: Vec<u8>,
-    #[br(count = 4)] version_bytes: Vec<u8>,
-    data_size: u32,
-    #[br(count = 20)] _unk2: Vec<u8>,
-    dual_ruf_flag: u32,
-    #[br(count = 44)] _unk3: Vec<u8>,
-    payload_count: u16,
-    _payload_entry_size: u16,
-    payloads_start_offset: u32,
-}
-impl RufHeader {
-    fn date_time(&self) -> String {
-        common::string_from_bytes(&self.date_time_bytes)
-    }
-    fn buyer(&self) -> String {
-        common::string_from_bytes(&self.buyer_bytes)
-    }
-    fn model(&self) -> String {
-        common::string_from_bytes(&self.model_bytes)
-    }
-    fn region_info(&self) -> String {
-        common::string_from_bytes(&self.region_info_bytes)
-    }
-    fn is_dual_ruf(&self) -> bool {
-        if self.dual_ruf_flag == 0x44 {true} else {false}
-    }
-}
+pub fn is_ruf_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
 
-#[derive(BinRead)]
-struct RufEntry {
-    #[br(count = 32)] _metadata: Vec<u8>,
-    payload_type_bytes: u32,
-	size: u32,
-    _unk1: u32,
-    #[br(count = 20)] _unk2: Vec<u8>,
-}
-impl RufEntry {
-    fn payload_type(&self) -> &str {
-        if self.payload_type_bytes == 1 {
-            return "squashfs"
-        } else if self.payload_type_bytes == 2 {
-            return "cfe"
-        } else if self.payload_type_bytes == 3 {
-            return "vmlinuz"
-        } else if self.payload_type_bytes == 4 {
-            return "loader"
-        } else if self.payload_type_bytes == 5 {
-            return "splash"
+    let header = common::read_file(&file, 0, 6)?;
+    if header == b"RUF\x00\x00\x00" {
+        Ok(Some(Box::new(())))
     } else {
-            return "unknown"
-        }
+        Ok(None)
     }
 }
 
-pub fn is_ruf_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 3).expect("Failed to read from file.");
-    if header == b"RUF" {
-        true
-    } else {
-        false
-    }
-}
+pub fn extract_ruf(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
 
-pub fn extract_ruf(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
     let header: RufHeader = file.read_be()?;
     if header.is_dual_ruf() {
         println!("\nDual RUF detected! Extracting 1st RUF...\n");
-        actually_extract_ruf(&file, &format!("{}/RUF_1", output_folder), 0)?;
+        actually_extract_ruf(file, &app_ctx.output_dir.join("RUF_1"), 0)?;
         println!("\nExtracting 2nd RUF...\n");
-        actually_extract_ruf(&file, &format!("{}/RUF_2", output_folder), 41943088)?;
+        actually_extract_ruf(file, &app_ctx.output_dir.join("RUF_2"), 41943088)?;
     } else {
-        actually_extract_ruf(&file, &output_folder, 0)?;
+        actually_extract_ruf(file, &app_ctx.output_dir, 0)?;
     }
 
-    println!("\nExtraction finished!");
     Ok(())
 }
 
-fn actually_extract_ruf(mut file: &File, output_folder: &str, start_offset: u64) -> Result<(), Box<dyn std::error::Error>> {
+fn actually_extract_ruf(mut file: &File, output_folder: &PathBuf, start_offset: u64) -> Result<(), Box<dyn std::error::Error>> {
     file.seek(SeekFrom::Start(start_offset))?;
     let header: RufHeader = file.read_be()?;
 
@@ -139,8 +85,7 @@ fn actually_extract_ruf(mut file: &File, output_folder: &str, start_offset: u64)
         println!("\nKey: {}", k);
         key_bytes = hex::decode(k)?.as_slice().try_into()?;
     } else {
-        println!("\nSorry, this firmware is not supported!");
-        std::process::exit(1);
+        return Err("This firmware is not supported!".into());
     }
 
     file.seek(SeekFrom::Start(start_offset + 2048))?;
@@ -159,10 +104,7 @@ fn actually_extract_ruf(mut file: &File, output_folder: &str, start_offset: u64)
 
         let output_path = Path::new(&output_folder).join(format!("{}_{}.bin", entry.payload_type_bytes, entry.payload_type()));
         fs::create_dir_all(&output_folder)?;
-        let mut out_file = OpenOptions::new()
-            .write(true)
-            .create(true)
-            .open(output_path)?;
+        let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
             
         out_file.write_all(&data)?;
 

src/formats/rvp/include.rs

@@ -0,0 +1,7 @@
+pub fn decrypt_xor(data: &[u8]) -> Vec<u8> {
+    let key_bytes = b"\xCC\xF0\xC8\xC4\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA";
+    data.iter()
+        .enumerate()
+        .map(|(i, &byte)| byte ^ key_bytes[i % key_bytes.len()])
+        .collect()
+}

src/formats/rvp/mod.rs

@@ -1,38 +1,43 @@
-use std::fs::File;
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
 use std::path::Path;
 use std::fs::{self, OpenOptions};
 use std::io::{Write, Read, Cursor, Seek};
 
 use crate::utils::common;
+use include::*;
 
-fn decrypt_xor(data: &[u8]) -> Vec<u8> {
-    let key_bytes = b"\xCC\xF0\xC8\xC4\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA\xC6\xCA\xCC\xDA";
-    data.iter()
-        .enumerate()
-        .map(|(i, &byte)| byte ^ key_bytes[i % key_bytes.len()])
-        .collect()
+pub struct RvpContext {
+    header_offset: u64,
 }
 
-pub fn is_rvp_file(mut file: &File) -> bool {
+pub fn is_rvp_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
     //MVP
-    let header = common::read_file(&file, 0, 4).expect("Failed to read from file.");
+    let header = common::read_file(&file, 0, 4)?;
     if header == b"UPDT" {
-        file.seek(std::io::SeekFrom::Start(36)).expect("Failed to seek"); //skip rest of header
-        return true;
+        return Ok(Some(Box::new(RvpContext {header_offset: 36})))
     }
 
     //RVP
-    let bytes = common::read_file(&file, 16, 18).expect("Failed to read from file.");
+    let bytes = common::read_file(&file, 16, 18)?;
     for (_i, &b) in bytes.iter().enumerate().step_by(2) {
         if b != 0xA3 {
-            return false;
+            return Ok(None);
         }
     }
-    file.seek(std::io::SeekFrom::Start(64)).expect("Failed to seek"); //skip rest of header
-    true
+    
+    Ok(Some(Box::new(RvpContext {header_offset: 64})))
 }
 
-pub fn extract_rvp(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_rvp(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+    let ctx = ctx.downcast::<RvpContext>().expect("Missing context");
+
+    file.seek(std::io::SeekFrom::Start(ctx.header_offset))?;
+
     let mut obf_data = Vec::new();  //we sadly cannot deXOR on the fly because of its 32 byte pattern
     file.read_to_end(&mut obf_data)?;
     println!("DeXORing data..");
@@ -109,21 +114,18 @@ pub fn extract_rvp(mut file: &File, output_folder: &str) -> Result<(), Box<dyn s
         } else {
             println!("Unsupported header size!");
             break
-
         }
 
         println!("Size: {}", size);
         let data = common::read_exact(&mut data_reader, size as usize)?;
-        let output_path = Path::new(&output_folder).join(if name=="" {format!("{}.bin", i)} else {format!("{}_{}.bin", i, name)});
+        let output_path = Path::new(&app_ctx.output_dir).join(if name=="" {format!("{}.bin", i)} else {format!("{}_{}.bin", i, name)});
 
-        fs::create_dir_all(&output_folder)?;
+        fs::create_dir_all(&app_ctx.output_dir)?;
         let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;      
         out_file.write_all(&data)?;
 
         println!("- Saved file!");
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/samsung_old/include.rs

@@ -0,0 +1,7 @@
+pub fn decrypt_xor(data: &[u8], key: &str) -> Vec<u8> {
+    let key_bytes = key.as_bytes();
+    data.iter()
+        .enumerate()
+        .map(|(i, &byte)| byte ^ key_bytes[i % key_bytes.len()])
+        .collect()
+}

src/formats/samsung_old/mod.rs

@@ -1,33 +1,32 @@
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
 use std::fs;
-use std::path::{Path, PathBuf};
+use std::path::{Path};
 use std::fs::{File, OpenOptions};
 use std::io::{Write};
 use hex::decode;
 use sha1::{Digest, Sha1};
+use md5;
 
 use crate::utils::common;
 use crate::keys;
 use crate::utils::aes::{decrypt_aes128_cbc_pcks7};
+use include::decrypt_xor;
 
-use md5;
+pub fn is_samsung_old_dir(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let dir = match app_ctx.dir() {Some(d) => d, None => return Ok(None)};
 
-pub fn is_samsung_old_dir(path: &PathBuf) -> bool {
-    if Path::new(&path).join("image").is_dir() & Path::new(&path).join("image/info.txt").exists(){
-        true
+    if Path::new(&dir).join("image").is_dir() & Path::new(&dir).join("image/info.txt").exists(){
+        Ok(Some(Box::new(())))
     } else {
-        false
+        Ok(None)
     }
 }
 
-fn decrypt_xor(data: &[u8], key: &str) -> Vec<u8> {
-    let key_bytes = key.as_bytes();
-    data.iter()
-        .enumerate()
-        .map(|(i, &byte)| byte ^ key_bytes[i % key_bytes.len()])
-        .collect()
-}
-
-pub fn extract_samsung_old(path: &PathBuf, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_samsung_old(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let path = app_ctx.dir().ok_or("Extractor expected directory")?;
 
     let fw_info = fs::read_to_string(Path::new(&path).join("image/info.txt"))?;
     println!("Firmware info: {}", fw_info);
@@ -46,8 +45,7 @@ pub fn extract_samsung_old(path: &PathBuf, output_folder: &str) -> Result<(), Bo
     if let Some(p) = secret {
         println!("Secret: {}", p);
     } else {
-        println!("Sorry, this firmware is not supported!");
-        std::process::exit(1);
+        return Err("This firmware is not supported!".into());
     }
     
     for entry in fs::read_dir(image_path)? {
@@ -114,9 +112,9 @@ pub fn extract_samsung_old(path: &PathBuf, output_folder: &str) -> Result<(), Bo
                     let xor_key = fw_info.split_whitespace().next().unwrap();
                     let out_data = decrypt_xor(&decrypted_data, xor_key);
                     
-                    let output_path = Path::new(&output_folder).join(filename.rsplit_once('.').map(|(left, _)| left).unwrap());
+                    let output_path = Path::new(&app_ctx.output_dir).join(filename.rsplit_once('.').map(|(left, _)| left).unwrap());
 
-                    fs::create_dir_all(&output_folder)?;
+                    fs::create_dir_all(&app_ctx.output_dir)?;
                     let mut out_file = OpenOptions::new()
                         .write(true)
                         .create(true)
@@ -130,7 +128,5 @@ pub fn extract_samsung_old(path: &PathBuf, output_folder: &str) -> Result<(), Bo
         }
     }
 
-    println!("\nExtraction finished!");
-
     Ok(())
 }

src/formats/sddl_sec.rs

@@ -1,364 +0,0 @@
-//sddl_dec 6.0 https://github.com/theubusu/sddl_dec
-
-use std::path::{Path, PathBuf};
-use std::fs::{self, File, OpenOptions};
-use std::io::{Cursor, Seek, SeekFrom, Write};
-use binrw::{BinRead, BinReaderExt};
-
-use crate::utils::common;
-use crate::utils::aes::{decrypt_aes128_cbc_pcks7};
-use crate::utils::compression::{decompress_zlib};
-
-pub fn decipher(s: &[u8]) -> Vec<u8> {
-    let len_ = s.len();
-    let mut v3: u32 = 904;
-    let mut out = s.to_vec();
-    let mut cnt = 0;
-    
-    if len_ > 0 {
-        let true_len = if len_ >= 0x80 {
-            128
-        } else {
-            len_
-        };
-        
-        if true_len > 0 {
-            let mut i = 0;
-            let mut j: u8 = 0;
-            
-            while i < s.len() {
-                let iter_ = s[i];
-                i += 1;
-                j = j.wrapping_add(1);
-                
-                let v11 = (iter_ as u32).wrapping_add(38400) & 0xffffffff;
-                let v12 = iter_ ^ ((v3 & 0xff00) >> 8) as u8;
-                v3 = v3.wrapping_add(v11).wrapping_add(163) & 0xffffffff;
-                
-                if j == 0 {
-                    v3 = 904;
-                }
-                
-                if cnt < out.len() {
-                    out[cnt] = v12;
-                    cnt += 1;
-                }
-            }
-        }
-    }
-    
-    out
-}
-
-// -- STRUCTURES --
-// -- SECFILE --
-
-pub static DOWNLOAD_ID: [u8; 4] = [0x11, 0x22, 0x33, 0x44];
-
-#[derive(Debug, BinRead)]
-pub struct SecHeader {
-    pub _download_id: [u8; 4],      //always 0x11, 0x22, 0x33, 0x44 - magic?
-    key_id_str_bytes: [u8; 4],    //"key_id", purpose unknown
-    grp_num_str_bytes: [u8; 4],    //"grp_num", the count of groups, also represents the count of info files because each group has a respective info file
-    prg_num_str_bytes: [u8; 4],    //"prg_num", the count of module (.FXX) files
-    _unused_or_reserved: [u8; 16], //not used, is zeros
-}
-impl SecHeader {
-    pub fn key_id(&self) -> u32 {
-        let string = common::string_from_bytes(&self.key_id_str_bytes);
-        string.parse().unwrap()
-    }
-    pub fn grp_num(&self) -> u32 {
-        let string = common::string_from_bytes(&self.grp_num_str_bytes);
-        string.parse().unwrap()
-    }
-    pub fn prg_num(&self) -> u32 {
-        let string = common::string_from_bytes(&self.prg_num_str_bytes);
-        string.parse().unwrap()
-    }
-}
-
-pub static INFO_FILE_EXTENSION: &str = ".TXT";
-
-#[derive(Debug, BinRead)]
-pub struct FileHeader {
-    name_str_bytes: [u8; 12],
-    size_str_bytes: [u8; 12],
-}
-impl FileHeader {
-    pub fn name(&self) -> String {
-        common::string_from_bytes(&self.name_str_bytes)
-    }
-    pub fn size(&self) -> u64 {
-        let string = common::string_from_bytes(&self.size_str_bytes);
-        string.parse().unwrap()
-    }
-}
-
-// -- MODULE --
-#[derive(Debug, BinRead)]
-pub struct ModuleComHeader { //"com_header"
-    pub download_id: [u8; 4],      //always 0x11, 0x22, 0x33, 0x44 - magic?
-    _outer_maker_id: u8,
-    _outer_model_id: u8,
-    _inner_maker_id: u8,
-    _reserve1: u8,
-    _reserve2: u32,
-    _reserve3: u32,
-    _start_version: [u8; 4],    //the first version that can upgrade to the new version
-    _end_version: [u8; 4],      //the last version that can upgrade to the new version
-    _new_version: [u8; 4],      //the new version, as in the version of the data in this module
-    _reserve4: u16,
-    _module_num: u16,          //the logic seems to indicate that there can be multiple entries in one module, but i have never seen this go above 1.
-}
-
-#[derive(Debug, BinRead)]
-pub struct ModuleHeader { //"header", appears after com_header
-    _module_id: u16,
-    module_atr: u8,
-    _target_id: u8,
-    pub cmp_size: u32,
-    _org_size: u32,
-    _crc_value: u32,   
-}
-impl ModuleHeader {
-    pub fn is_ciphered(&self) -> bool {
-        (self.module_atr & 0x02) != 0
-    }
-    pub fn is_compressed(&self) -> bool {
-        (self.module_atr & 0x01) != 0
-    }
-}
-
-#[derive(Debug, BinRead)]
-pub struct ContentHeader {
-    _magic1: u8,    //always 0x01?
-    _dest_offset: u32,
-    _source_offset: u32,
-    pub size: u32,
-    _magic2: u8,    //always 0x21?
-}
-impl ContentHeader {
-    //these hacks are needed because for some reason older files have the first nibble of the offset set to D/C
-    //no idea why, but masking them off makes it works properly
-    pub fn dest_offset(&self) -> u32 {
-        if ((self._dest_offset >> 28) & 0xF) == 0xD {
-            self._dest_offset & 0x0FFFFFFF 
-        } else {
-            self._dest_offset
-        }
-    }
-    pub fn source_offset(&self) -> u32 {
-        if ((self._source_offset >> 28) & 0xF) == 0xC {
-            self._source_offset & 0x0FFFFFFF 
-        } else {
-            self._source_offset
-        }
-    }
-    pub fn has_subfile(&self) -> bool {
-        self.source_offset() == 0x10E
-    }
-}
-
-// -- TDI --
-// Called SDIT.FDI in the secfile
-
-pub static TDI_FILENAME: &str = "SDIT.FDI";
-pub static SUPPORTED_TDI_VERSION: u16 = 2;
-
-#[derive(Debug, BinRead)]
-pub struct TdiHead {
-    pub download_id: [u8; 4],      //always 0x11, 0x22, 0x33, 0x44 - magic?
-    pub num_of_group: u8,
-    _reserve1: u8,
-    pub format_version: u16,       //checks for "2" here
-}
-
-#[derive(Debug, BinRead)]
-pub struct TdiGroupHead {
-    pub group_id: u8,
-    pub num_of_target: u8,         //logic checks that this is not more than 5
-    _reserved: u16,
-}
-
-#[derive(Debug, BinRead)]
-pub struct TdiTgtInf {
-    _outer_maker_id: u8,
-    _outer_model_id: u8,
-    _inner_maker_id: u8,
-    _reserve3: u8,
-    _inner_model_id: [u8; 4],
-    _ext_model_id: [u8; 4],
-    pub _start_version: [u8; 4],    //the first version that can upgrade to the new version
-    pub _end_version: [u8; 4],      //the last version that can upgrade to the new version
-    pub new_version: [u8; 4],       //the new version, as in the version of the data in this module
-    pub target_id: u8,
-    _num_of_compatible_target: u8,
-    pub num_of_txx: u16,            //"TXX" refers to the ".FXX" segment files of each module. I assume F is an encrypted version of T, the same happens with SDIT; "TDI" -> "FDI"
-    _unknown: [u8; 8],
-    module_name_bytes: [u8; 8],
-}
-impl TdiTgtInf {
-    pub fn module_name(&self) -> String {
-        common::string_from_bytes(&self.module_name_bytes)
-    }
-    pub fn version_string(&self) -> String {
-        format!("{}.{}{}{}", self.new_version[0], self.new_version[1], self.new_version[2], self.new_version[3])
-    }
-}
-
-// -- dec key --
-static DEC_KEY: [u8; 16] = [
-    0x26, 0xE0, 0x96, 0xD3, 0xEF, 0x8A, 0x8F, 0xBB,
-    0xAA, 0x5E, 0x51, 0x6F, 0x77, 0x26, 0xC2, 0x2C,
-];
-    
-static DEC_IV: [u8; 16] = [
-    0x3E, 0x4A, 0xE2, 0x3A, 0x69, 0xDB, 0x81, 0x54,
-    0xCD, 0x88, 0x38, 0xC4, 0xB9, 0x0C, 0x76, 0x66,
-];
-
-pub fn is_sddl_sec_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 32).expect("Failed to read from file.");
-    let deciph_header = decipher(&header);
-    if deciph_header.starts_with(b"\x11\x22\x33\x44") {
-        true
-    } else {
-        false
-    }
-}
-
-fn get_sec_file(mut file: &File) -> Result<(FileHeader, Vec<u8>), Box<dyn std::error::Error>> {
-    let mut hdr_reader = Cursor::new(decrypt_aes128_cbc_pcks7(&common::read_exact(&mut file, 32)?, &DEC_KEY, &DEC_IV)?);
-    let file_header: FileHeader = hdr_reader.read_be()?;
-    let file_data = decrypt_aes128_cbc_pcks7(&common::read_exact(&mut file, file_header.size() as usize)?, &DEC_KEY, &DEC_IV)?;
-
-    Ok((file_header, file_data))
-}
-
-fn parse_tdi_to_modules(tdi_data: Vec<u8>) -> Result<Vec<TdiTgtInf>, Box<dyn std::error::Error>> {
-    let mut tdi_reader = Cursor::new(tdi_data);
-    let tdi_header: TdiHead = tdi_reader.read_be()?;
-    if tdi_header.download_id != DOWNLOAD_ID {
-        return Err("Invalid TDI header!".into());
-    }
-    if tdi_header.format_version != SUPPORTED_TDI_VERSION {
-        return Err(format!("Unsupported TDI format version {}! (The supported version is {})", tdi_header.format_version, SUPPORTED_TDI_VERSION).into());
-    }
-
-    println!("[TDI] Group count: {}", tdi_header.num_of_group);
-    let mut modules: Vec<TdiTgtInf> = Vec::new();
-
-    for _i in 0..tdi_header.num_of_group {
-        let group_head: TdiGroupHead = tdi_reader.read_be()?;
-        println!("[TDI] Group ID: {}, Target count: {}", group_head.group_id, group_head.num_of_target);
-
-        for _i in 0..group_head.num_of_target {
-            let tgt_inf: TdiTgtInf = tdi_reader.read_be()?;
-            println!("[TDI] - {}, Target ID: {}, Segment count: {}, Version: {}",
-                    tgt_inf.module_name(), tgt_inf.target_id, tgt_inf.num_of_txx, tgt_inf.version_string());
-
-            //push unique modules
-            if !modules.iter().any(|m| m.module_name() == tgt_inf.module_name()) {
-                modules.push(tgt_inf);
-            }
-        }
-    }
-
-    Ok(modules)
-}
-
-pub fn extract_sddl_sec(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    file.seek(SeekFrom::Start(0))?;
-    let mut secfile_hdr_reader = Cursor::new(decipher(&common::read_exact(&mut file, 32)?));
-    let secfile_header: SecHeader = secfile_hdr_reader.read_be()?;
-
-    println!("File info -\nKey ID: {}\nGroup count: {}\nModule file count: {}\n", secfile_header.key_id(), secfile_header.grp_num(), secfile_header.prg_num());
-    fs::create_dir_all(&output_folder)?;
-
-    let (tdi_file, tdi_data) = get_sec_file(&file)?;
-    println!("[TDI] Name: {}, Size: {}", tdi_file.name(), tdi_file.size());
-    //if save_extra { //Save SDIT
-    //    let mut out_file = OpenOptions::new().write(true).create(true).open(Path::new(&output_folder).join(tdi_file.name()))?;
-    //    out_file.write_all(&tdi_data)?;
-    //}
-    if tdi_file.name() != TDI_FILENAME {
-        return Err(format!("Invalid TDI filename {}!, expected: {}", tdi_file.name(), TDI_FILENAME).into());
-    }
-    //parse TDI
-    let modules = parse_tdi_to_modules(tdi_data)?;
-
-    //get info files, each info file belongs to its respecitve group in the TDI
-    for i in 0..secfile_header.grp_num() {
-        let (info_file, info_data) = get_sec_file(&file)?;
-        println!("\n[INFO] ID: {}, Name: {}, Size: {}", i, info_file.name(), info_file.size());
-        if !info_file.name().ends_with(INFO_FILE_EXTENSION) {
-            return Err(format!("Info file {} does not have the expected extension {}!", info_file.name(), INFO_FILE_EXTENSION).into());
-        }
-        //if save_extra { //Save info file
-        //    let mut out_file = OpenOptions::new().write(true).create(true).open(Path::new(&output_folder).join(info_file.name()))?;
-        //    out_file.write_all(&info_data)?;
-        //}
-        //print info file
-        println!("{}", String::from_utf8_lossy(&info_data));
-    }
-
-    //parse module data
-    for (i, module) in modules.iter().enumerate(){
-        println!("\nModule #{}/{} - {}, Target ID: {}, Segment count: {}, Version: {}", 
-                i+1, &modules.len(), module.module_name(), module.target_id, module.num_of_txx, module.version_string());
-
-        for i in 0..module.num_of_txx {
-            let (module_file, module_data) = get_sec_file(&file)?;
-            if !module_file.name().starts_with(&module.module_name()) {
-                return Err(format!("Module file {} does not start with the module's name: {}!", module_file.name(), module.module_name()).into());
-            }    
-            println!("  Segment #{}/{} - Name: {}, Size: {}", i+1, module.num_of_txx, module_file.name(), module_file.size());
-
-            let mut module_reader = Cursor::new(module_data);
-            let com_header: ModuleComHeader = module_reader.read_be()?;
-            if com_header.download_id != DOWNLOAD_ID {
-                return Err("Invalid module com_header!".into());
-            }
-
-            let module_header: ModuleHeader = module_reader.read_be()?;
-            let mut module_data = common::read_exact(&mut module_reader, module_header.cmp_size as usize)?;
-            if module_header.is_ciphered() {
-                println!("      - Deciphering...");
-                module_data = decipher(&module_data);
-            }
-            if module_header.is_compressed() {
-                println!("      - Decompressing...");
-                module_data = decompress_zlib(&module_data)?;
-            }
-
-            let mut content_reader = Cursor::new(module_data);
-            let content_header: ContentHeader = content_reader.read_be()?;
-            println!("      --> 0x{:X} @ 0x{:X}", content_header.size, content_header.dest_offset());
-            
-            let output_path: PathBuf;
-            if content_header.has_subfile() {
-                let sub_filename_bytes = common::read_exact(&mut content_reader, 0x100)?;
-                let sub_filename = common::string_from_bytes(&sub_filename_bytes);
-                println!("      --> {}", sub_filename);
-
-                let sub_folder_path = Path::new(&output_folder).join(module.module_name());
-                fs::create_dir_all(&sub_folder_path)?;
-                output_path = Path::new(&sub_folder_path).join(sub_filename);
-
-            } else {
-                output_path = Path::new(&output_folder).join(format!("{}.bin", module.module_name()));
-            }
-
-            let data = common::read_exact(&mut content_reader, content_header.size as usize)?;
-            let mut out_file = OpenOptions::new().read(true).write(true).create(true).open(output_path)?;
-            out_file.seek(SeekFrom::Start(content_header.dest_offset() as u64))?;
-            out_file.write_all(&data)?;
-
-        }
-    }
-
-    println!("\nExtraction finished!");
-
-    Ok(())
-}

src/formats/sddl_sec/include.rs

@@ -0,0 +1,212 @@
+//sddl_dec 6.0 https://github.com/theubusu/sddl_dec
+use crate::utils::common;
+use binrw::BinRead;
+
+pub fn decipher(s: &[u8]) -> Vec<u8> {
+    let len_ = s.len();
+    let mut v3: u32 = 904;
+    let mut out = s.to_vec();
+    let mut cnt = 0;
+    
+    if len_ > 0 {
+        let true_len = if len_ >= 0x80 {
+            128
+        } else {
+            len_
+        };
+        
+        if true_len > 0 {
+            let mut i = 0;
+            let mut j: u8 = 0;
+            
+            while i < s.len() {
+                let iter_ = s[i];
+                i += 1;
+                j = j.wrapping_add(1);
+                
+                let v11 = (iter_ as u32).wrapping_add(38400) & 0xffffffff;
+                let v12 = iter_ ^ ((v3 & 0xff00) >> 8) as u8;
+                v3 = v3.wrapping_add(v11).wrapping_add(163) & 0xffffffff;
+                
+                if j == 0 {
+                    v3 = 904;
+                }
+                
+                if cnt < out.len() {
+                    out[cnt] = v12;
+                    cnt += 1;
+                }
+            }
+        }
+    }
+    
+    out
+}
+
+// -- STRUCTURES --
+// -- SECFILE --
+
+pub static DOWNLOAD_ID: [u8; 4] = [0x11, 0x22, 0x33, 0x44];
+
+#[derive(Debug, BinRead)]
+pub struct SecHeader {
+    pub _download_id: [u8; 4],      //always 0x11, 0x22, 0x33, 0x44 - magic?
+    key_id_str_bytes: [u8; 4],    //"key_id", purpose unknown
+    grp_num_str_bytes: [u8; 4],    //"grp_num", the count of groups, also represents the count of info files because each group has a respective info file
+    prg_num_str_bytes: [u8; 4],    //"prg_num", the count of module (.FXX) files
+    _unused_or_reserved: [u8; 16], //not used, is zeros
+}
+impl SecHeader {
+    pub fn key_id(&self) -> u32 {
+        let string = common::string_from_bytes(&self.key_id_str_bytes);
+        string.parse().unwrap()
+    }
+    pub fn grp_num(&self) -> u32 {
+        let string = common::string_from_bytes(&self.grp_num_str_bytes);
+        string.parse().unwrap()
+    }
+    pub fn prg_num(&self) -> u32 {
+        let string = common::string_from_bytes(&self.prg_num_str_bytes);
+        string.parse().unwrap()
+    }
+}
+
+pub static INFO_FILE_EXTENSION: &str = ".TXT";
+
+#[derive(Debug, BinRead)]
+pub struct FileHeader {
+    name_str_bytes: [u8; 12],
+    size_str_bytes: [u8; 12],
+}
+impl FileHeader {
+    pub fn name(&self) -> String {
+        common::string_from_bytes(&self.name_str_bytes)
+    }
+    pub fn size(&self) -> u64 {
+        let string = common::string_from_bytes(&self.size_str_bytes);
+        string.parse().unwrap()
+    }
+}
+
+// -- MODULE --
+#[derive(Debug, BinRead)]
+pub struct ModuleComHeader { //"com_header"
+    pub download_id: [u8; 4],      //always 0x11, 0x22, 0x33, 0x44 - magic?
+    _outer_maker_id: u8,
+    _outer_model_id: u8,
+    _inner_maker_id: u8,
+    _reserve1: u8,
+    _reserve2: u32,
+    _reserve3: u32,
+    _start_version: [u8; 4],    //the first version that can upgrade to the new version
+    _end_version: [u8; 4],      //the last version that can upgrade to the new version
+    _new_version: [u8; 4],      //the new version, as in the version of the data in this module
+    _reserve4: u16,
+    _module_num: u16,          //the logic seems to indicate that there can be multiple entries in one module, but i have never seen this go above 1.
+}
+
+#[derive(Debug, BinRead)]
+pub struct ModuleHeader { //"header", appears after com_header
+    _module_id: u16,
+    module_atr: u8,
+    _target_id: u8,
+    pub cmp_size: u32,
+    _org_size: u32,
+    _crc_value: u32,   
+}
+impl ModuleHeader {
+    pub fn is_ciphered(&self) -> bool {
+        (self.module_atr & 0x02) != 0
+    }
+    pub fn is_compressed(&self) -> bool {
+        (self.module_atr & 0x01) != 0
+    }
+}
+
+#[derive(Debug, BinRead)]
+pub struct ContentHeader {
+    _magic1: u8,    //always 0x01?
+    _dest_offset: u32,
+    _source_offset: u32,
+    pub size: u32,
+    _magic2: u8,    //always 0x21?
+}
+impl ContentHeader {
+    //these hacks are needed because for some reason older files have the first nibble of the offset set to D/C
+    //no idea why, but masking them off makes it works properly
+    pub fn dest_offset(&self) -> u32 {
+        if ((self._dest_offset >> 28) & 0xF) == 0xD {
+            self._dest_offset & 0x0FFFFFFF 
+        } else {
+            self._dest_offset
+        }
+    }
+    pub fn source_offset(&self) -> u32 {
+        if ((self._source_offset >> 28) & 0xF) == 0xC {
+            self._source_offset & 0x0FFFFFFF 
+        } else {
+            self._source_offset
+        }
+    }
+    pub fn has_subfile(&self) -> bool {
+        self.source_offset() == 0x10E
+    }
+}
+
+// -- TDI --
+// Called SDIT.FDI in the secfile
+
+pub static TDI_FILENAME: &str = "SDIT.FDI";
+pub static SUPPORTED_TDI_VERSION: u16 = 2;
+
+#[derive(Debug, BinRead)]
+pub struct TdiHead {
+    pub download_id: [u8; 4],      //always 0x11, 0x22, 0x33, 0x44 - magic?
+    pub num_of_group: u8,
+    _reserve1: u8,
+    pub format_version: u16,       //checks for "2" here
+}
+
+#[derive(Debug, BinRead)]
+pub struct TdiGroupHead {
+    pub group_id: u8,
+    pub num_of_target: u8,         //logic checks that this is not more than 5
+    _reserved: u16,
+}
+
+#[derive(Debug, BinRead)]
+pub struct TdiTgtInf {
+    _outer_maker_id: u8,
+    _outer_model_id: u8,
+    _inner_maker_id: u8,
+    _reserve3: u8,
+    _inner_model_id: [u8; 4],
+    _ext_model_id: [u8; 4],
+    pub _start_version: [u8; 4],    //the first version that can upgrade to the new version
+    pub _end_version: [u8; 4],      //the last version that can upgrade to the new version
+    pub new_version: [u8; 4],       //the new version, as in the version of the data in this module
+    pub target_id: u8,
+    _num_of_compatible_target: u8,
+    pub num_of_txx: u16,            //"TXX" refers to the ".FXX" segment files of each module. I assume F is an encrypted version of T, the same happens with SDIT; "TDI" -> "FDI"
+    _unknown: [u8; 8],
+    module_name_bytes: [u8; 8],
+}
+impl TdiTgtInf {
+    pub fn module_name(&self) -> String {
+        common::string_from_bytes(&self.module_name_bytes)
+    }
+    pub fn version_string(&self) -> String {
+        format!("{}.{}{}{}", self.new_version[0], self.new_version[1], self.new_version[2], self.new_version[3])
+    }
+}
+
+// -- dec key --
+pub static DEC_KEY: [u8; 16] = [
+    0x26, 0xE0, 0x96, 0xD3, 0xEF, 0x8A, 0x8F, 0xBB,
+    0xAA, 0x5E, 0x51, 0x6F, 0x77, 0x26, 0xC2, 0x2C,
+];
+    
+pub static DEC_IV: [u8; 16] = [
+    0x3E, 0x4A, 0xE2, 0x3A, 0x69, 0xDB, 0x81, 0x54,
+    0xCD, 0x88, 0x38, 0xC4, 0xB9, 0x0C, 0x76, 0x66,
+];

src/formats/sddl_sec/mod.rs

@@ -0,0 +1,160 @@
+//sddl_dec 6.0 https://github.com/theubusu/sddl_dec
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::{Path, PathBuf};
+use std::fs::{self, File, OpenOptions};
+use std::io::{Cursor, Seek, SeekFrom, Write};
+use binrw::BinReaderExt;
+
+use crate::utils::common;
+use crate::utils::aes::{decrypt_aes128_cbc_pcks7};
+use crate::utils::compression::{decompress_zlib};
+use include::*;
+
+pub fn is_sddl_sec_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+    let header = common::read_file(&file, 0, 32).expect("Failed to read from file.");
+    let deciph_header = decipher(&header);
+    if deciph_header.starts_with(b"\x11\x22\x33\x44") {
+        Ok(Some(Box::new(())))
+    } else {
+        Ok(None)
+    }
+}
+
+fn get_sec_file(mut file: &File) -> Result<(FileHeader, Vec<u8>), Box<dyn std::error::Error>> {
+    let mut hdr_reader = Cursor::new(decrypt_aes128_cbc_pcks7(&common::read_exact(&mut file, 32)?, &DEC_KEY, &DEC_IV)?);
+    let file_header: FileHeader = hdr_reader.read_be()?;
+    let file_data = decrypt_aes128_cbc_pcks7(&common::read_exact(&mut file, file_header.size() as usize)?, &DEC_KEY, &DEC_IV)?;
+
+    Ok((file_header, file_data))
+}
+
+fn parse_tdi_to_modules(tdi_data: Vec<u8>) -> Result<Vec<TdiTgtInf>, Box<dyn std::error::Error>> {
+    let mut tdi_reader = Cursor::new(tdi_data);
+    let tdi_header: TdiHead = tdi_reader.read_be()?;
+    if tdi_header.download_id != DOWNLOAD_ID {
+        return Err("Invalid TDI header!".into());
+    }
+    if tdi_header.format_version != SUPPORTED_TDI_VERSION {
+        return Err(format!("Unsupported TDI format version {}! (The supported version is {})", tdi_header.format_version, SUPPORTED_TDI_VERSION).into());
+    }
+
+    println!("[TDI] Group count: {}", tdi_header.num_of_group);
+    let mut modules: Vec<TdiTgtInf> = Vec::new();
+
+    for _i in 0..tdi_header.num_of_group {
+        let group_head: TdiGroupHead = tdi_reader.read_be()?;
+        println!("[TDI] Group ID: {}, Target count: {}", group_head.group_id, group_head.num_of_target);
+
+        for _i in 0..group_head.num_of_target {
+            let tgt_inf: TdiTgtInf = tdi_reader.read_be()?;
+            println!("[TDI] - {}, Target ID: {}, Segment count: {}, Version: {}",
+                    tgt_inf.module_name(), tgt_inf.target_id, tgt_inf.num_of_txx, tgt_inf.version_string());
+
+            //push unique modules
+            if !modules.iter().any(|m| m.module_name() == tgt_inf.module_name()) {
+                modules.push(tgt_inf);
+            }
+        }
+    }
+
+    Ok(modules)
+}
+
+pub fn extract_sddl_sec(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+    let save_extra = app_ctx.options.iter().any(|e| e == "sddl_sec:save_extra");
+
+    let mut secfile_hdr_reader = Cursor::new(decipher(&common::read_exact(&mut file, 32)?));
+    let secfile_header: SecHeader = secfile_hdr_reader.read_be()?;
+
+    println!("File info -\nKey ID: {}\nGroup count: {}\nModule file count: {}\n", secfile_header.key_id(), secfile_header.grp_num(), secfile_header.prg_num());
+    fs::create_dir_all(&app_ctx.output_dir)?;
+
+    let (tdi_file, tdi_data) = get_sec_file(&file)?;
+    println!("[TDI] Name: {}, Size: {}", tdi_file.name(), tdi_file.size());
+    if save_extra { //Save SDIT
+        let mut out_file = OpenOptions::new().write(true).create(true).open(Path::new(&app_ctx.output_dir).join(tdi_file.name()))?;
+        out_file.write_all(&tdi_data)?;
+    }
+    if tdi_file.name() != TDI_FILENAME {
+        return Err(format!("Invalid TDI filename {}!, expected: {}", tdi_file.name(), TDI_FILENAME).into());
+    }
+    //parse TDI
+    let modules = parse_tdi_to_modules(tdi_data)?;
+
+    //get info files, each info file belongs to its respecitve group in the TDI
+    for i in 0..secfile_header.grp_num() {
+        let (info_file, info_data) = get_sec_file(&file)?;
+        println!("\n[INFO] ID: {}, Name: {}, Size: {}", i, info_file.name(), info_file.size());
+        if !info_file.name().ends_with(INFO_FILE_EXTENSION) {
+            return Err(format!("Info file {} does not have the expected extension {}!", info_file.name(), INFO_FILE_EXTENSION).into());
+        }
+        if save_extra { //Save info file
+            let mut out_file = OpenOptions::new().write(true).create(true).open(Path::new(&app_ctx.output_dir).join(info_file.name()))?;
+            out_file.write_all(&info_data)?;
+        }
+        //print info file
+        println!("{}", String::from_utf8_lossy(&info_data));
+    }
+
+    //parse module data
+    for (i, module) in modules.iter().enumerate(){
+        println!("\nModule #{}/{} - {}, Target ID: {}, Segment count: {}, Version: {}", 
+                i+1, &modules.len(), module.module_name(), module.target_id, module.num_of_txx, module.version_string());
+
+        for i in 0..module.num_of_txx {
+            let (module_file, module_data) = get_sec_file(&file)?;
+            if !module_file.name().starts_with(&module.module_name()) {
+                return Err(format!("Module file {} does not start with the module's name: {}!", module_file.name(), module.module_name()).into());
+            }    
+            println!("  Segment #{}/{} - Name: {}, Size: {}", i+1, module.num_of_txx, module_file.name(), module_file.size());
+
+            let mut module_reader = Cursor::new(module_data);
+            let com_header: ModuleComHeader = module_reader.read_be()?;
+            if com_header.download_id != DOWNLOAD_ID {
+                return Err("Invalid module com_header!".into());
+            }
+
+            let module_header: ModuleHeader = module_reader.read_be()?;
+            let mut module_data = common::read_exact(&mut module_reader, module_header.cmp_size as usize)?;
+            if module_header.is_ciphered() {
+                println!("      - Deciphering...");
+                module_data = decipher(&module_data);
+            }
+            if module_header.is_compressed() {
+                println!("      - Decompressing...");
+                module_data = decompress_zlib(&module_data)?;
+            }
+
+            let mut content_reader = Cursor::new(module_data);
+            let content_header: ContentHeader = content_reader.read_be()?;
+            println!("      --> 0x{:X} @ 0x{:X}", content_header.size, content_header.dest_offset());
+            
+            let output_path: PathBuf;
+            if content_header.has_subfile() {
+                let sub_filename_bytes = common::read_exact(&mut content_reader, 0x100)?;
+                let sub_filename = common::string_from_bytes(&sub_filename_bytes);
+                println!("      --> {}", sub_filename);
+
+                let sub_folder_path = Path::new(&app_ctx.output_dir).join(module.module_name());
+                fs::create_dir_all(&sub_folder_path)?;
+                output_path = Path::new(&sub_folder_path).join(sub_filename);
+
+            } else {
+                output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", module.module_name()));
+            }
+
+            let data = common::read_exact(&mut content_reader, content_header.size as usize)?;
+            let mut out_file = OpenOptions::new().read(true).write(true).create(true).open(output_path)?;
+            out_file.seek(SeekFrom::Start(content_header.dest_offset() as u64))?;
+            out_file.write_all(&data)?;
+
+        }
+    }
+
+    Ok(())
+}

src/formats/slp.rs

@@ -1,113 +0,0 @@
-use std::path::{Path};
-use std::fs::{self, File, OpenOptions};
-use std::io::{Write, Seek, SeekFrom};
-use binrw::{BinRead, BinReaderExt};
-
-use crate::utils::common;
-
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 4)] _magic_bytes: Vec<u8>,
-    #[br(count = 8)] version_bytes: Vec<u8>,
-    #[br(count = 16)] model_bytes: Vec<u8>,
-    #[br(count = 16)] firmware_bytes: Vec<u8>,
-    _unk: u32,
-    #[br(count = 8)] check: Vec<u8>,
-    #[br(count = 8)] _unk2: Vec<u8>,
-}
-impl Header {
-    fn version(&self) -> String {
-        common::string_from_bytes(&self.version_bytes)
-    }
-    fn model(&self) -> String {
-        common::string_from_bytes(&self.model_bytes)
-    }
-    fn firmware(&self) -> String {
-        common::string_from_bytes(&self.firmware_bytes)
-    }
-    fn is_new_type(&self) -> bool {
-        self.check == b"\x01VER_PR1"
-    }
-}
-
-#[derive(BinRead)]
-struct EntryOld {
-    size: u32,
-    _unk: u32,
-    offset: u32,
-    _unk2: u32,
-}
-
-#[derive(BinRead)]
-struct EntryNew {
-    size: u32,
-    _unk: u32,
-    offset: u32,
-    #[br(count = 12)] _unk2: Vec<u8>,
-}
-
-pub fn is_slp_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 4).expect("Failed to read from file.");
-    if header == b"SLP\x00" {
-        true
-    } else {
-        false
-    }
-}
-
-pub fn extract_slp(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    let header: Header = file.read_le()?;
-
-    println!("File info:\nModel: {}\nVersion: {}\nFirmware: {}\nNew type: {}\n",
-            header.model(), header.version(), header.firmware(), header.is_new_type());
-
-    let mut first_entry_offset = 0;
-    let mut entries: Vec<EntryOld> = Vec::new();
-
-    for i in 0..100 {
-        if (i != 0) && (file.stream_position()? >= first_entry_offset) {
-            break
-        }
-        let offset;
-        let size;
-        if header.is_new_type() {
-            let entry: EntryNew = file.read_le()?;
-            offset = entry.offset;
-            size = entry.size;
-        } else {
-            let entry: EntryOld = file.read_le()?;
-            offset = entry.offset;
-            size = entry.size;
-        }
-        if i == 0 {
-            first_entry_offset = offset as u64;
-        }
-        println!("{}. Offset: {}, Size: {}", i + 1, offset, size);
-        entries.push(EntryOld {size: size, _unk: 0, offset: offset, _unk2: 0});
-    }
-
-    let mut i = 1;
-    for entry in &entries {
-        println!("\n({}/{}) - Offset: {}, Size: {}", i, &entries.len(), entry.offset, entry.size);
-        file.seek(SeekFrom::Start(entry.offset.into()))?;
-        let data = common::read_exact(&mut file, entry.size as usize)?;
-
-        let output_path = Path::new(&output_folder).join(format!("{}.bin", i));
-
-        fs::create_dir_all(&output_folder)?;
-        let mut out_file = OpenOptions::new()
-            .write(true)
-            .create(true)
-            .open(output_path)?;
-            
-        out_file.write_all(&data)?;
-
-        println!("- Saved file!");
-
-        i += 1;
-    }
-
-    println!("\nExtraction finished!");
-
-    Ok(())
-}

src/formats/slp/include.rs

@@ -0,0 +1,43 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 4],
+    version_bytes: [u8; 8],
+    model_bytes: [u8; 16],
+    firmware_bytes: [u8; 16],
+    _unk: u32,
+    check: [u8; 8],
+    _unk2: [u8; 8],
+}
+impl Header {
+    pub fn version(&self) -> String {
+        common::string_from_bytes(&self.version_bytes)
+    }
+    pub fn model(&self) -> String {
+        common::string_from_bytes(&self.model_bytes)
+    }
+    pub fn firmware(&self) -> String {
+        common::string_from_bytes(&self.firmware_bytes)
+    }
+    pub fn is_new_type(&self) -> bool {
+        &self.check == b"\x01VER_PR1"
+    }
+}
+
+#[derive(BinRead)]
+pub struct EntryOld {
+    pub size: u32,
+    pub _unk: u32,
+    pub offset: u32,
+    pub _unk2: u32,
+}
+
+#[derive(BinRead)]
+pub struct EntryNew {
+    pub size: u32,
+    _unk: u32,
+    pub offset: u32,
+    _unk2: [u8; 12],
+}

src/formats/slp/mod.rs

@@ -0,0 +1,74 @@
+mod include;
+use std::any::Any;
+use crate::AppContext;
+
+use std::path::{Path};
+use std::fs::{self, OpenOptions};
+use std::io::{Write, Seek, SeekFrom};
+use binrw::BinReaderExt;
+
+use crate::utils::common;
+use include::*;
+
+pub fn is_slp_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+
+    let header = common::read_file(&file, 0, 4)?;
+    if header == b"SLP\x00" {
+        Ok(Some(Box::new(())))
+    } else {
+        Ok(None)
+    }
+}
+
+pub fn extract_slp(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
+    let header: Header = file.read_le()?;
+    println!("File info:\nModel: {}\nVersion: {}\nFirmware: {}\nNew type: {}\n",
+            header.model(), header.version(), header.firmware(), header.is_new_type());
+
+    let mut first_entry_offset = 0;
+    let mut entries: Vec<EntryOld> = Vec::new();
+
+    for i in 0..100 {
+        if (i != 0) && (file.stream_position()? >= first_entry_offset) {
+            break
+        }
+        let offset;
+        let size;
+        if header.is_new_type() {
+            let entry: EntryNew = file.read_le()?;
+            offset = entry.offset;
+            size = entry.size;
+        } else {
+            let entry: EntryOld = file.read_le()?;
+            offset = entry.offset;
+            size = entry.size;
+        }
+        if i == 0 {
+            first_entry_offset = offset as u64;
+        }
+        println!("{}. Offset: {}, Size: {}", i + 1, offset, size);
+        entries.push(EntryOld {size: size, _unk: 0, offset: offset, _unk2: 0});
+    }
+
+    let mut i = 1;
+    for entry in &entries {
+        println!("\n({}/{}) - Offset: {}, Size: {}", i, &entries.len(), entry.offset, entry.size);
+        file.seek(SeekFrom::Start(entry.offset.into()))?;
+        let data = common::read_exact(&mut file, entry.size as usize)?;
+
+        let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", i));
+
+        fs::create_dir_all(&app_ctx.output_dir)?;
+        let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;         
+        out_file.write_all(&data)?;
+
+        println!("- Saved file!");
+
+        i += 1;
+    }
+
+    Ok(())
+}

src/formats/sony_bdp.rs

@@ -1,126 +0,0 @@
-use std::fs::File;
-use std::path::{Path, PathBuf};
-use std::fs::{self, OpenOptions};
-use std::io::{Cursor, Write};
-use binrw::{BinRead, BinReaderExt};
-
-use crate::utils::common;
-use crate::formats;
-
-//thx sony
-static HEX_SUBSTITUTION: [u8; 256] = [
-	0xE8, 0x4D, 0x63, 0xF4, 0xF8, 0xA9, 0x21, 0x9C, 0xC7, 0x82, 0xCD, 0xE3, 0xC1, 0xCE, 0xC0, 0xFA, 0xE7, 0xD6, 0x96, 0x46, 0x12, 0x03, 0x14, 0x33, 0xED, 0x10, 0xEC, 0x69, 0x16, 0xE0, 0x28, 0x30, 
-	0x77, 0x0E, 0x3D, 0xEF, 0x36, 0x4C, 0x18, 0xEB, 0x41, 0x89, 0x64, 0x8A, 0x70, 0x0C, 0x23, 0xA3, 0x79, 0x6D, 0x75, 0x7E, 0x1A, 0x2D, 0x01, 0x91, 0x88, 0xCB, 0xFC, 0x8B, 0xFD, 0x94, 0x0A, 0x39, 
-	0xBC, 0x98, 0x87, 0xBB, 0xC2, 0x9B, 0x81, 0x1C, 0x4B, 0xA6, 0x58, 0x59, 0x45, 0x57, 0x8C, 0x7B, 0x5A, 0x56, 0x08, 0x73, 0x65, 0xEE, 0x2A, 0x25, 0xB0, 0x5B, 0x55, 0xB2, 0xB8, 0x1E, 0xEA, 0xC5, 
-	0x6A, 0x40, 0x86, 0x5C, 0x3C, 0x54, 0xBF, 0xF6, 0xA8, 0xF2, 0x06, 0x4A, 0xFE, 0xC4, 0x32, 0x8D, 0xF0, 0x5D, 0x35, 0x53, 0xD7, 0xBD, 0xBA, 0x20, 0x2F, 0xCA, 0xE1, 0xCC, 0xA4, 0x44, 0x85, 0xDE, 
-	0xDB, 0x5E, 0x27, 0x52, 0x6E, 0x38, 0x04, 0x66, 0xD0, 0x92, 0xD3, 0xC6, 0x7D, 0x71, 0xDA, 0x2C, 0x9A, 0x49, 0x8E, 0x80, 0x13, 0x5F, 0x11, 0x51, 0x15, 0x22, 0xCF, 0xAC, 0x0F, 0xD5, 0xFF, 0x3F, 
-	0x17, 0xAD, 0xD8, 0xD9, 0xAB, 0x02, 0x6B, 0x0D, 0xDF, 0xF1, 0x84, 0x3B, 0x78, 0x19, 0x76, 0x60, 0x50, 0xDC, 0xC3, 0xB5, 0x43, 0x0B, 0x95, 0x97, 0x67, 0xD4, 0x29, 0xF7, 0xE4, 0x1B, 0xAE, 0x48, 
-	0xB1, 0x8F, 0x24, 0x7A, 0x74, 0xFB, 0x34, 0x09, 0x00, 0x31, 0x9F, 0x61, 0x4F, 0xB6, 0xA0, 0xA7, 0xB4, 0x9E, 0x1D, 0xAA, 0xF9, 0xBE, 0x37, 0x2E, 0xB9, 0x6F, 0xA5, 0x83, 0xA1, 0x93, 0x07, 0xE2, 
-	0x7F, 0x3E, 0xF3, 0x99, 0x62, 0x4E, 0xE9, 0xC8, 0x6C, 0x68, 0x1F, 0x47, 0x42, 0x26, 0x9D, 0xE5, 0x7C, 0x72, 0x3A, 0x2B, 0xE6, 0xF5, 0xD2, 0x90, 0x05, 0xD1, 0xDD, 0xC9, 0xAF, 0xB7, 0xA2, 0xB3,
-];
-
-fn hex_substitute(data: &[u8]) -> Vec<u8> {
-    data.iter().map(|&b| HEX_SUBSTITUTION[b as usize]).collect()
-}
-
-#[derive(BinRead)]
-struct Header {
-    #[br(count = 8)] firmware_name_bytes: Vec<u8>,
-    #[br(count = 8)] _unk_version_bytes: Vec<u8>,
-    #[br(count = 16)] firmware_version_bytes: Vec<u8>,
-    #[br(count = 16)] date_bytes: Vec<u8>,
-    #[br(count = 8)] _unk2_version_bytes: Vec<u8>,
-    #[br(count = 8)] _unk3_version_bytes: Vec<u8>,
-    #[br(count = 16)] _unk4_version_bytes: Vec<u8>,
-    _unk: u32,
-    _checksum: u64,
-    file_size: u32,
-    #[br(count = 16)] _unk5_version_bytes: Vec<u8>,
-    #[br(count = 16)] _unk6_version_bytes: Vec<u8>,
-    #[br(count = 32)] _unk2: Vec<u8>,
-}
-impl Header {
-    fn firmware_name(&self) -> String {
-        common::string_from_bytes(&self.firmware_name_bytes)
-    }
-    fn firmware_version(&self) -> String {
-        common::string_from_bytes(&self.firmware_version_bytes)
-    }
-    fn date(&self) -> String {
-        common::string_from_bytes(&self.date_bytes)
-    }
-}
-
-#[derive(BinRead)]
-struct Entry {
-    offset: u32,
-    size: u32,
-}
-
-pub fn is_sony_bdp_file(file: &File) -> bool {
-    let header = common::read_file(&file, 0, 4).expect("Failed to read from file.");
-    if header == b"\x01\x73\xEC\xC9" || header == b"\x01\x73\xEC\x1F" || header == b"\xEC\x7D\xB0\xB0" { //MSB1x, MSB0x, BDPPxx
-        true
-    } else {
-        false
-    }
-}
-
-pub fn extract_sony_bdp(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
-    let obf_header = common::read_exact(&mut file, 300)?;
-    let header = hex_substitute(&obf_header);
-    let mut hdr_reader = Cursor::new(header);
-    let hdr: Header = hdr_reader.read_le()?;
-
-    println!("File info:\nFirmware: {}\nVersion: {}\nDate: {}\nFile size: {}", 
-            hdr.firmware_name(), hdr.firmware_version(), hdr.date(), hdr.file_size);
-
-    let mut last_file_path: Option<PathBuf> = None;
-    let mut first_entry_offset = 0;
-    let mut i = 1;
-    loop {
-        if (i != 1) && (hdr_reader.position() >= first_entry_offset) {
-            break
-        }
-
-        let entry: Entry = hdr_reader.read_le()?;
-        if entry.size == 0 {
-            continue
-        }
-
-        println!("\n#{} - Offset: {}, Size: {}", i, entry.offset, entry.size);
-        if i == 1 {
-            first_entry_offset = entry.offset as u64;
-        }
-
-        let obf_data = common::read_file(&file, entry.offset as u64, entry.size as usize)?;
-        let data = hex_substitute(&obf_data);
-
-        let output_path = Path::new(&output_folder).join(format!("{}.bin", i));
-        last_file_path = Some(output_path.clone());
-
-        fs::create_dir_all(&output_folder)?;
-        let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;          
-        out_file.write_all(&data)?;
-
-        println!("- Saved file!");
-        i += 1;
-    }
-
-    //The last file is often a Mtk BDP file so we can extract that here.
-    if last_file_path.is_some() {
-        println!("\nChecking if it's also MTK BDP...");
-        let last_file = File::open(last_file_path.unwrap())?;
-        if let Some(result) = formats::mtk_bdp::is_mtk_bdp_file(&last_file)? {
-            println!("- MTK BDP file detected!\n");
-            let mtk_extraction_path = format!("{}/{}", &output_folder, i - 1);
-            formats::mtk_bdp::extract_mtk_bdp(&last_file, &mtk_extraction_path, result)?;
-        } else {
-            println!("- Not an MTK BDP file.");    
-        }
-    }
-
-    println!("\nExtraction finished!");
-     
-    Ok(())
-}

src/formats/sony_bdp/include.rs

@@ -0,0 +1,52 @@
+use crate::utils::common;
+use binrw::BinRead;
+
+//thx sony
+static HEX_SUBSTITUTION: [u8; 256] = [
+	0xE8, 0x4D, 0x63, 0xF4, 0xF8, 0xA9, 0x21, 0x9C, 0xC7, 0x82, 0xCD, 0xE3, 0xC1, 0xCE, 0xC0, 0xFA, 0xE7, 0xD6, 0x96, 0x46, 0x12, 0x03, 0x14, 0x33, 0xED, 0x10, 0xEC, 0x69, 0x16, 0xE0, 0x28, 0x30, 
+	0x77, 0x0E, 0x3D, 0xEF, 0x36, 0x4C, 0x18, 0xEB, 0x41, 0x89, 0x64, 0x8A, 0x70, 0x0C, 0x23, 0xA3, 0x79, 0x6D, 0x75, 0x7E, 0x1A, 0x2D, 0x01, 0x91, 0x88, 0xCB, 0xFC, 0x8B, 0xFD, 0x94, 0x0A, 0x39, 
+	0xBC, 0x98, 0x87, 0xBB, 0xC2, 0x9B, 0x81, 0x1C, 0x4B, 0xA6, 0x58, 0x59, 0x45, 0x57, 0x8C, 0x7B, 0x5A, 0x56, 0x08, 0x73, 0x65, 0xEE, 0x2A, 0x25, 0xB0, 0x5B, 0x55, 0xB2, 0xB8, 0x1E, 0xEA, 0xC5, 
+	0x6A, 0x40, 0x86, 0x5C, 0x3C, 0x54, 0xBF, 0xF6, 0xA8, 0xF2, 0x06, 0x4A, 0xFE, 0xC4, 0x32, 0x8D, 0xF0, 0x5D, 0x35, 0x53, 0xD7, 0xBD, 0xBA, 0x20, 0x2F, 0xCA, 0xE1, 0xCC, 0xA4, 0x44, 0x85, 0xDE, 
+	0xDB, 0x5E, 0x27, 0x52, 0x6E, 0x38, 0x04, 0x66, 0xD0, 0x92, 0xD3, 0xC6, 0x7D, 0x71, 0xDA, 0x2C, 0x9A, 0x49, 0x8E, 0x80, 0x13, 0x5F, 0x11, 0x51, 0x15, 0x22, 0xCF, 0xAC, 0x0F, 0xD5, 0xFF, 0x3F, 
+	0x17, 0xAD, 0xD8, 0xD9, 0xAB, 0x02, 0x6B, 0x0D, 0xDF, 0xF1, 0x84, 0x3B, 0x78, 0x19, 0x76, 0x60, 0x50, 0xDC, 0xC3, 0xB5, 0x43, 0x0B, 0x95, 0x97, 0x67, 0xD4, 0x29, 0xF7, 0xE4, 0x1B, 0xAE, 0x48, 
+	0xB1, 0x8F, 0x24, 0x7A, 0x74, 0xFB, 0x34, 0x09, 0x00, 0x31, 0x9F, 0x61, 0x4F, 0xB6, 0xA0, 0xA7, 0xB4, 0x9E, 0x1D, 0xAA, 0xF9, 0xBE, 0x37, 0x2E, 0xB9, 0x6F, 0xA5, 0x83, 0xA1, 0x93, 0x07, 0xE2, 
+	0x7F, 0x3E, 0xF3, 0x99, 0x62, 0x4E, 0xE9, 0xC8, 0x6C, 0x68, 0x1F, 0x47, 0x42, 0x26, 0x9D, 0xE5, 0x7C, 0x72, 0x3A, 0x2B, 0xE6, 0xF5, 0xD2, 0x90, 0x05, 0xD1, 0xDD, 0xC9, 0xAF, 0xB7, 0xA2, 0xB3,
+];
+
+pub fn hex_substitute(data: &[u8]) -> Vec<u8> {
+    data.iter().map(|&b| HEX_SUBSTITUTION[b as usize]).collect()
+}
+
+#[derive(BinRead)]
+pub struct Header {
+    firmware_name_bytes: [u8; 8],
+    _unk_version_bytes: [u8; 8],
+    firmware_version_bytes: [u8; 16],
+    date_bytes: [u8; 16],
+    _unk2_version_bytes: [u8; 8],
+    _unk3_version_bytes: [u8; 8],
+    _unk4_version_bytes: [u8; 16],
+    _unk: u32,
+    _checksum: u64,
+    pub file_size: u32,
+    _unk5_version_bytes: [u8; 16],
+    _unk6_version_bytes: [u8; 16],
+    _unk2: [u8; 32],
+}
+impl Header {
+    pub fn firmware_name(&self) -> String {
+        common::string_from_bytes(&self.firmware_name_bytes)
+    }
+    pub fn firmware_version(&self) -> String {
+        common::string_from_bytes(&self.firmware_version_bytes)
+    }
+    pub fn date(&self) -> String {
+        common::string_from_bytes(&self.date_bytes)
+    }
+}
+
+#[derive(BinRead)]
+pub struct Entry {
+    pub offset: u32,
+    pub size: u32,
+}

src/formats/sony_bdp/mod.rs

@@ -0,0 +1,89 @@
+mod include;
+use std::any::Any;
+use crate::{InputTarget, AppContext};
+
+use std::fs::File;
+use std::path::{Path, PathBuf};
+use std::fs::{self, OpenOptions};
+use std::io::{Cursor, Write};
+use binrw::BinReaderExt;
+
+use crate::utils::common;
+use crate::formats;
+use include::*;
+
+pub fn is_sony_bdp_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
+
+    let header = common::read_file(&file, 0, 4)?;
+    if header == b"\x01\x73\xEC\xC9" || header == b"\x01\x73\xEC\x1F" || header == b"\xEC\x7D\xB0\xB0" { //MSB1x, MSB0x, BDPPxx
+        Ok(Some(Box::new(())))
+    } else {
+        Ok(None)
+    }
+}
+
+pub fn extract_sony_bdp(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
+    let mut file = app_ctx.file().ok_or("Extractor expected file")?;
+
+    let obf_header = common::read_exact(&mut file, 300)?;
+    let header = hex_substitute(&obf_header);
+    let mut hdr_reader = Cursor::new(header);
+    let hdr: Header = hdr_reader.read_le()?;
+
+    println!("File info:\nFirmware: {}\nVersion: {}\nDate: {}\nFile size: {}", 
+            hdr.firmware_name(), hdr.firmware_version(), hdr.date(), hdr.file_size);
+
+    let mut last_file_path: Option<PathBuf> = None;
+    let mut first_entry_offset = 0;
+    let mut i = 1;
+    loop {
+        if (i != 1) && (hdr_reader.position() >= first_entry_offset) {
+            break
+        }
+
+        let entry: Entry = hdr_reader.read_le()?;
+        if entry.size == 0 {
+            continue
+        }
+
+        println!("\n#{} - Offset: {}, Size: {}", i, entry.offset, entry.size);
+        if i == 1 {
+            first_entry_offset = entry.offset as u64;
+        }
+
+        let obf_data = common::read_file(&file, entry.offset as u64, entry.size as usize)?;
+        let data = hex_substitute(&obf_data);
+
+        let output_path = Path::new(&app_ctx.output_dir).join(format!("{}.bin", i));
+        last_file_path = Some(output_path.clone());
+
+        fs::create_dir_all(&app_ctx.output_dir)?;
+        let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;          
+        out_file.write_all(&data)?;
+
+        println!("- Saved file!");
+        i += 1;
+    }
+
+    //The last file is often a Mtk BDP file so we can extract that here.
+    if last_file_path.is_some() {
+        println!("\nChecking if it's also MTK BDP...");
+
+        let last_file = File::open(last_file_path.unwrap())?;
+        let mtk_extraction_path = app_ctx.output_dir.join(format!("{}", i + 1));
+
+        //this is getting stupid...
+        let ctx: AppContext = AppContext { input: InputTarget::File(last_file), output_dir: mtk_extraction_path, options: app_ctx.options.clone() };
+
+        if let Some(result) = formats::mtk_bdp::is_mtk_bdp_file(&ctx)? {
+            println!("- MTK BDP file detected!\n");
+            
+            formats::mtk_bdp::extract_mtk_bdp(&ctx, result)?;
+        } else {
+            println!("- Not an MTK BDP file.");    
+        }
+    }
+     
+    Ok(())
+}

src/main.rs

@@ -4,165 +4,112 @@ mod utils;
 
 use clap::Parser;
 use std::path::{PathBuf};
-use std::io::{self};
+use std::io::{self, Seek, SeekFrom};
 use std::fs::{self, File};
+use crate::formats::{Format, get_registry};
 
 #[derive(Parser, Debug)]
 struct Args {
     input_target: String,
-    output_folder: Option<String>,
+    output_directory: Option<String>,
+
+    ///format specific options
+    #[arg(short, long)]
+    options: Vec<String>,
+}
+
+pub enum InputTarget {
+    File(File),
+    Directory(PathBuf),
+}
+
+pub struct AppContext {
+    pub input: InputTarget,
+    pub output_dir: PathBuf,
+    pub options: Vec<String>,
+}
+impl AppContext {
+    pub fn file(&self) -> Option<&File> {
+        match &self.input {
+            InputTarget::File(f) => Some(f),
+            _ => None,
+        }
+    }
+
+    pub fn dir(&self) -> Option<&PathBuf> {
+        match &self.input {
+            InputTarget::Directory(p) => Some(p),
+            _ => None,
+        }
+    }
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     println!("unixtract Firmware extractor");
     let args = Args::parse();
 
-    let target_path = args.input_target;
-    println!("Input target: {}", target_path);
-    let path = PathBuf::from(target_path);
+    let target_path_str = args.input_target;
+    println!("Input target: {}", target_path_str);
+    let target_path = PathBuf::from(&target_path_str);
     
-    let output_path = if args.output_folder.is_some() {
-        args.output_folder.unwrap()
+    let output_path_str = if args.output_directory.is_some() {
+        args.output_directory.unwrap()
     } else {
-        format!("_{}", path.file_name().and_then(|s| s.to_str()).unwrap())
+        format!("_{}", target_path.file_name().and_then(|s| s.to_str()).unwrap())
     };
-    println!("Output folder: {}\n", output_path);
+    println!("Output directory: {}", output_path_str);
+    let output_directory_path = PathBuf::from(&output_path_str);
 
-    let output_folder_path = PathBuf::from(&output_path);
-    if output_folder_path.exists() {
-        if output_folder_path.is_dir() {
-            let is_empty = fs::read_dir(&output_folder_path)?.next().is_none();
+    if output_directory_path.exists() {
+        if output_directory_path.is_dir() {
+            let is_empty = fs::read_dir(&output_directory_path)?.next().is_none();
             if !is_empty {
-                println!("Warning: Output folder already exists and is NOT empty! Files may be overwritten!");
+                println!("\nWarning: Output folder already exists and is NOT empty! Files may be overwritten!");
                 println!("Press Enter if you want to continue...");
                 io::stdin().read_line(&mut String::new())?;
             }
         }
     }
 
-    if path.is_dir() {
-        if formats::samsung_old::is_samsung_old_dir(&path) {
-            println!("Samsung old firmware dir detected!\n");
-            formats::samsung_old::extract_samsung_old(&path, &output_path)?
+    let app_ctx;
+
+    if target_path.is_file() {
+        let file = File::open(&target_path)?;
+        app_ctx = AppContext {
+            input: InputTarget::File(file),
+            output_dir: output_directory_path,
+            options: args.options,
+        };
+    } else if target_path.is_dir() {
+        app_ctx = AppContext {
+            input: InputTarget::Directory(target_path),
+            output_dir: output_directory_path,
+            options: args.options,
+        };
     } else {
-            println!("Input format not recognized!");
+        return Err("Invalid input path!".into());
     }
-    } else {
-        let file = File::open(path)?;
-        if formats::sddl_sec::is_sddl_sec_file(&file) {
-            println!("SDDL.SEC file detected!");
-            formats::sddl_sec::extract_sddl_sec(&file, &output_path)?;
+
+    let formats: Vec<Format> = get_registry();
+    println!("Loaded {} formats!", formats.len());
+
+    for format in formats {
+        if let Some(ctx) = (format.detector_func)(&app_ctx)? {
+            println!("\n{} detected!", format.name);
+
+            //reset seek of the file if present
+            if let Some(mut file) = app_ctx.file() {
+                file.seek(SeekFrom::Start(0))?;
             }
-        else if formats::invincible_image::is_invincible_image_file(&file) {
-            println!("INVINCIBLE_IMAGE file detected!");
-            formats::invincible_image::extract_invincible_image(&file, &output_path)?;
-        } 
-        else if formats::msd10::is_msd10_file(&file) {
-            println!("MSD10 file detected!");
-            formats::msd10::extract_msd10(&file, &output_path)?;
-        } 
-        else if formats::msd11::is_msd11_file(&file) {
-            println!("MSD11 file detected!");
-            formats::msd11::extract_msd11(&file, &output_path)?;
-        } 
-        else if formats::nvt_timg::is_nvt_timg_file(&file) {
-            println!("Novatek TIMG file detected!");
-            formats::nvt_timg::extract_nvt_timg(&file, &output_path)?;
-        }
-        else if formats::bdl::is_bdl_file(&file) {
-            println!("BDL file detected!");
-            formats::bdl::extract_bdl(&file, &output_path)?;
-        }
-        else if formats::android_ota_payload::is_android_ota_payload_file(&file) {
-            println!("Android OTA payload file detected!");
-            formats::android_ota_payload::extract_android_ota_payload(&file, &output_path)?;
-        }
-        else if formats::novatek::is_novatek_file(&file) {
-            println!("Novatek file detected!");
-            formats::novatek::extract_novatek(&file, &output_path)?;
-        } 
-        else if formats::slp::is_slp_file(&file) {
-            println!("SLP file detected!");
-            formats::slp::extract_slp(&file, &output_path)?;
-        } 
-        else if formats::epk1::is_epk1_file(&file) {
-            println!("EPK1 file detected!");
-            formats::epk1::extract_epk1(&file, &output_path)?;
-        }
-        else if formats::epk2b::is_epk2b_file(&file) {
-            println!("EPK2B file detected!");
-            formats::epk2b::extract_epk2b(&file, &output_path)?;
-        }
-        //epk with encrypted header - it can be epk2 or epk3 so we need to check
-        else if formats::epk::is_epk_file(&file) {
-            println!("EPK file detected!");
-            formats::epk::extract_epk(&file, &output_path)?;
-        }
-        //epk2 with unencrypted header
-        else if formats::epk2::is_epk2_file(&file) {
-            println!("EPK2 file detected!");
-            formats::epk2::extract_epk2(&file, &output_path)?;
-        }
-        else if formats::ruf::is_ruf_file(&file) {
-            println!("RUF file detected!");
-            formats::ruf::extract_ruf(&file, &output_path)?;
-        }
-        else if formats::funai_upg::is_funai_upg_file(&file) {
-            println!("Funai UPG file detected!");
-            formats::funai_upg::extract_funai_upg(&file, &output_path)?;
-        }
-        else if formats::pfl_upg::is_pfl_upg_file(&file) {
-            println!("PFL UPG file detected!");
-            formats::pfl_upg::extract_pfl_upg(&file, &output_path)?;
-        }
-        else if formats::amlogic::is_amlogic_file(&file) {
-            println!("Amlogic image file detected!");
-            formats::amlogic::extract_amlogic(&file, &output_path)?;
-        }
-        else if let Some(result) = formats::pana_dvd::is_pana_dvd_file(&file)? {
-            println!("PANA_DVD file detected!");
-            formats::pana_dvd::extract_pana_dvd(&file, &output_path, result)?;
-        }
-        else if formats::pup::is_pup_file(&file) {
-            println!("PUP file detected!");
-            formats::pup::extract_pup(&file, &output_path)?;
-        }
-        else if formats::sony_bdp::is_sony_bdp_file(&file) {
-            println!("Sony BDP file detected!");
-            formats::sony_bdp::extract_sony_bdp(&file, &output_path)?;
-        }
-        else if formats::rvp::is_rvp_file(&file) {
-            println!("RVP/MVP file detected!");
-            formats::rvp::extract_rvp(&file, &output_path)?;
-        }
-        else if formats::mstar::is_mstar_file(&file) {
-            println!("Mstar upgrade file detected!");
-            formats::mstar::extract_mstar(&file, &output_path)?;
-        }  
-        else if formats::roku::is_roku_file(&file) {
-            println!("Roku file detected!");
-            formats::roku::extract_roku(&file, &output_path)?;
-        }
-        else if let Some(result) = formats::mtk_pkg::is_mtk_pkg_file(&file)? {
-            println!("MTK PKG file detected!");
-            formats::mtk_pkg::extract_mtk_pkg(&file, &output_path, result)?;
-        } 
-        else if formats::mtk_pkg_old::is_mtk_pkg_old_file(&file) {
-            println!("MTK PKG (Old) file detected!");
-            formats::mtk_pkg_old::extract_mtk_pkg_old(&file, &output_path)?;
-        }
-        else if let Some(result) = formats::mtk_pkg_new::is_mtk_pkg_new_file(&file)? {
-            println!("MTK PKG (New) file detected!");
-            formats::mtk_pkg_new::extract_mtk_pkg_new(&file, &output_path, result)?;
-        }
-        else if let Some(result) = formats::mtk_bdp::is_mtk_bdp_file(&file)? {
-            println!("MTK BDP file detected!");
-            formats::mtk_bdp::extract_mtk_bdp(&file, &output_path, result)?;
-        }
-        else {
-            println!("Input format not recognized!");
+
+            (format.extractor_func)(&app_ctx, ctx)?;
+
+            //extractor returned with no error
+            println!("\nExtraction finished! Saved extracted files to {}", output_path_str);
+            return Ok(());
         }
     }
 
+    println!("\nInput format not recognized!");
     Ok(())
 }

src/utils.rs

@@ -1,14 +1,5 @@
 pub mod common;
 pub mod aes;
-pub mod pana_dvd_crypto;
-pub mod lzss;
 pub mod lzop;
 pub mod sparse;
 pub mod compression;
-pub mod android_ota_update_metadata;
-pub mod mtk_crypto;
-pub mod lzhs;
-pub mod huffman_tables;
-pub mod msd_ouith_parser_old;
-pub mod msd_ouith_parser_tizen_1_8;
-pub mod msd_ouith_parser_tizen_1_9;