fix

src-tauri/src/lib.rs

@@ -8,6 +8,7 @@ use tauri::{AppHandle, Manager, State};
 use tauri_plugin_shell::process::{CommandChild, CommandEvent};
 use tauri_plugin_shell::ShellExt;
 use reqwest;
+use base64::{engine::general_purpose, Engine as _};
 
 mod player;
 use player::{PlayerCommand, PlayerController, PlayerShared, PlayerState};
@@ -223,6 +224,53 @@ async fn fetch_url(_app: AppHandle, url: String) -> Result<String, String> {
     }
 }
 
+#[tauri::command]
+async fn fetch_image_data_url(url: String) -> Result<String, String> {
+    // Fetch remote images via backend and return a data: URL.
+    // This helps when WebView blocks http images (mixed-content) or some hosts block hotlinking.
+    let parsed = reqwest::Url::parse(&url).map_err(|e| e.to_string())?;
+    match parsed.scheme() {
+        "http" | "https" => {}
+        _ => return Err("Only http/https URLs are allowed".to_string()),
+    }
+
+    let resp = reqwest::Client::new()
+        .get(parsed)
+        .header(reqwest::header::USER_AGENT, "RadioPlayer/1.0")
+        .send()
+        .await
+        .map_err(|e| e.to_string())?;
+
+    let status = resp.status();
+    if !status.is_success() {
+        return Err(format!("HTTP {} while fetching image", status));
+    }
+
+    let content_type = resp
+        .headers()
+        .get(reqwest::header::CONTENT_TYPE)
+        .and_then(|v| v.to_str().ok())
+        .map(|s| s.split(';').next().unwrap_or(s).trim().to_string())
+        .unwrap_or_else(|| "application/octet-stream".to_string());
+
+    let bytes = resp.bytes().await.map_err(|e| e.to_string())?;
+    const MAX_BYTES: usize = 2 * 1024 * 1024;
+    if bytes.len() > MAX_BYTES {
+        return Err("Image too large".to_string());
+    }
+
+    // Be conservative: prefer image/* content types, but allow svg even if mislabelled.
+    let looks_like_image = content_type.starts_with("image/")
+        || content_type == "application/svg+xml"
+        || url.to_lowercase().ends_with(".svg");
+    if !looks_like_image {
+        return Err(format!("Not an image content-type: {}", content_type));
+    }
+
+    let b64 = general_purpose::STANDARD.encode(bytes);
+    Ok(format!("data:{};base64,{}", content_type, b64))
+}
+
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
@@ -296,6 +344,8 @@ pub fn run() {
                 cast_set_volume,
                 // allow frontend to request arbitrary URLs via backend (bypass CORS)
                 fetch_url,
+                // fetch remote images via backend (data: URL), helps with mixed-content
+                fetch_image_data_url,
                 // native player commands (step 1 scaffold)
                 player_play,
                 player_stop,