fix ig thumbnail

src-tauri/Cargo.lock

@@ -3974,6 +3974,7 @@ name = "stream-capture"
 version = "1.1.0"
 dependencies = [
  "anyhow",
+ "base64 0.22.1",
  "chrono",
  "futures-util",
  "regex",

src-tauri/Cargo.toml

@@ -19,6 +19,7 @@ tauri-plugin-dialog = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 reqwest = { version = "0.12", features = ["json", "rustls-tls", "stream"] }
+base64 = "0.22"
 tokio = { version = "1", features = ["full"] }
 anyhow = "1.0"
 chrono = { version = "0.4", features = ["serde"] }

src-tauri/src/commands.rs

@@ -49,6 +49,28 @@ pub fn get_ffmpeg_version(app: AppHandle) -> Result<String, String> {
     binary_manager::get_ffmpeg_version(&app).map_err(|e| e.to_string())
 }
 
+#[tauri::command]
+pub async fn fetch_image(url: String) -> Result<String, String> {
+    use base64::{Engine as _, engine::general_purpose};
+
+    let client = reqwest::Client::new();
+    let res = client.get(&url)
+        .header("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36")
+        .send()
+        .await
+        .map_err(|e| e.to_string())?;
+
+    let bytes = res.bytes().await.map_err(|e| e.to_string())?;
+    
+    // Convert to base64
+    let b64 = general_purpose::STANDARD.encode(&bytes);
+    
+    // Simple heuristic for mime type
+    let mime = if url.to_lowercase().ends_with(".png") { "image/png" } else { "image/jpeg" };
+    
+    Ok(format!("data:{};base64,{}", mime, b64))
+}
+
 #[tauri::command]
 pub async fn fetch_metadata(app: AppHandle, url: String, parse_mix_playlist: bool) -> Result<downloader::MetadataResult, String> {
     downloader::fetch_metadata(&app, &url, parse_mix_playlist).await.map_err(|e| e.to_string())

src-tauri/src/lib.rs

@@ -17,6 +17,7 @@ pub fn run() {
             commands::get_ytdlp_version,
             commands::get_quickjs_version,
             commands::get_ffmpeg_version,
+            commands::fetch_image,
             commands::fetch_metadata,
             commands::start_download,
             commands::get_settings,