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newreg: simplify getting file/dir and context

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theubusu
2026-02-06 16:27:13 +01:00
parent 9b059c67ab
commit 438d106c96
31 changed files with 142 additions and 127 deletions
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src/formats/mtk_pkg.rs
+5 -5
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@@ -1,5 +1,5 @@
use std::any::Any;
use crate::{InputTarget, AppContext, formats::Format};
use crate::{AppContext, formats::Format};
pub fn format() -> Format {
Format { name: "mtk_pkg", detector_func: is_mtk_pkg_file, extractor_func: extract_mtk_pkg }
}
@@ -82,7 +82,7 @@ static HEADER_KEY: [u8; 16] = [
static HEADER_IV: [u8; 16] = [0x00; 16];
pub fn is_mtk_pkg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
let file = match &app_ctx.input {InputTarget::File(f) => f, InputTarget::Directory(_) => return Ok(None)};
let file = match app_ctx.file() {Some(f) => f, None => return Ok(None)};
let mut encrypted_header = common::read_file(&file, 0, HEADER_SIZE)?;
let mut header = decrypt_aes128_cbc_nopad(&encrypted_header, &HEADER_KEY, &HEADER_IV)?;
@@ -101,9 +101,9 @@ pub fn is_mtk_pkg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box
}
}
pub fn extract_mtk_pkg(app_ctx: &AppContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
let mut file = match &app_ctx.input {InputTarget::File(f) => f, InputTarget::Directory(_) => return Err("Extractor expected file, not directory".into())};
let ctx = ctx.and_then(|c: Box<dyn Any>| c.downcast::<MtkPkgContext>().ok()).ok_or("Context is invalid or missing!")?;
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 = ctx.decrypted_header;