fixed hls rewrite, used redirect url if exists for hls

src/processing/parser/hls.rs

@@ -4,7 +4,6 @@ use crate::model::hls::HlsEntry;
 use std::collections::HashMap;
 use std::str;
 use tokio::time::Instant;
-use crate::utils::string_utils::replace_after_last_slash;
 
 pub const HLS_PREFIX: &str = "hls";
 
@@ -12,13 +11,35 @@ pub const HLS_PREFIX: &str = "hls";
 pub struct RewriteHlsProps<'a> {
     pub base_url: &'a str,
     pub content: &'a str,
-    pub hls_url: &'a str,
+    pub hls_url: String,
     pub virtual_id: u32,
     pub token: u32,
     pub target_type: TargetType,
     pub input_id: u16
 }
 
+
+fn rewrite_hls_url(input: &str, replacement: &str) -> String {
+    if replacement.starts_with('/') {
+        let parts = input.splitn(4, '/').collect::<Vec<&str>>();
+        if parts.len() < 4 {
+            return replacement.to_string(); // wenn weniger als 3 Slashes → alles ersetzen
+        }
+        format!("{}/{}/{}{}", parts[0], parts[1], parts[2], replacement)
+    } else {
+        match input.rsplitn(2, '/').collect::<Vec<&str>>().as_slice() {
+            [_after, before] => format!("{}/{}", before, replacement),
+            [_only] => replacement.to_string(),
+            _ => input.to_string(),
+        }
+    }
+    // match input.rsplitn(2, '/').collect::<Vec<&str>>().as_slice() {
+    //     [_after, before] => format!("{before}/{replacement}"),
+    //     [_only] => replacement.to_string(), // if there is no slash, replace complete
+    //     _ => input.to_string(), // fallback, should never happen
+    // }
+}
+
 pub fn rewrite_hls(user: &ProxyUserCredentials, props: &RewriteHlsProps ) -> (HlsEntry, String) {
     let username = &user.username;
     let password = &user.password;
@@ -32,7 +53,7 @@ pub fn rewrite_hls(user: &ProxyUserCredentials, props: &RewriteHlsProps ) -> (Hl
             let url = if line.starts_with("http") {
                 line.to_string()
             } else {
-                replace_after_last_slash(props.hls_url, line)
+               rewrite_hls_url(&props.hls_url, line)
             };
             chunks.insert(chunk, url);
             result.push(format!("{}/{HLS_PREFIX}/{}/{username}/{password}/{}/{chunk}", props.base_url, props.token, props.virtual_id));