Proxy images to fix broken meta-data

Jellyfin.Plugin.SRFPlay/Controllers/StreamProxyController.cs

@@ -1,8 +1,11 @@
 using System;
 using System.Globalization;
+using System.Net.Http;
+using System.Net.Http.Headers;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
+using MediaBrowser.Common.Net;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
@@ -19,16 +22,22 @@ public class StreamProxyController : ControllerBase
 {
     private readonly ILogger<StreamProxyController> _logger;
     private readonly IStreamProxyService _proxyService;
+    private readonly IHttpClientFactory _httpClientFactory;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="StreamProxyController"/> class.
     /// </summary>
     /// <param name="logger">The logger.</param>
     /// <param name="proxyService">The proxy service.</param>
-    public StreamProxyController(ILogger<StreamProxyController> logger, IStreamProxyService proxyService)
+    /// <param name="httpClientFactory">The HTTP client factory.</param>
+    public StreamProxyController(
+        ILogger<StreamProxyController> logger,
+        IStreamProxyService proxyService,
+        IHttpClientFactory httpClientFactory)
     {
         _logger = logger;
         _proxyService = proxyService;
+        _httpClientFactory = httpClientFactory;
     }
 
     /// <summary>
@@ -316,4 +325,117 @@ public class StreamProxyController : ControllerBase
 
         return "application/octet-stream";
     }
+
+    /// <summary>
+    /// Proxies image requests from SRF CDN, fixing Content-Type headers.
+    /// </summary>
+    /// <param name="url">The original image URL (base64 encoded).</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>The image data with correct Content-Type.</returns>
+    [HttpGet("Image")]
+    [AllowAnonymous]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
+    public async Task<IActionResult> GetImage(
+        [FromQuery] string url,
+        CancellationToken cancellationToken)
+    {
+        if (string.IsNullOrEmpty(url))
+        {
+            return BadRequest("URL parameter is required");
+        }
+
+        string decodedUrl;
+        try
+        {
+            // Decode base64 URL
+            var bytes = Convert.FromBase64String(url);
+            decodedUrl = System.Text.Encoding.UTF8.GetString(bytes);
+        }
+        catch (FormatException)
+        {
+            _logger.LogWarning("Invalid base64 URL parameter: {Url}", url);
+            return BadRequest("Invalid URL encoding");
+        }
+
+        _logger.LogDebug("Proxying image from: {Url}", decodedUrl);
+
+        try
+        {
+            var httpClient = _httpClientFactory.CreateClient(NamedClient.Default);
+
+            // Create request with proper headers
+            var request = new HttpRequestMessage(HttpMethod.Get, new Uri(decodedUrl));
+            request.Headers.UserAgent.ParseAdd(
+                "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36");
+            request.Headers.Accept.ParseAdd("image/jpeg, image/png, image/webp, image/*;q=0.8");
+
+            var response = await httpClient.SendAsync(
+                request,
+                HttpCompletionOption.ResponseHeadersRead,
+                cancellationToken).ConfigureAwait(false);
+
+            if (!response.IsSuccessStatusCode)
+            {
+                _logger.LogWarning(
+                    "Image fetch failed with status {StatusCode} for {Url}",
+                    response.StatusCode,
+                    decodedUrl);
+                return NotFound();
+            }
+
+            var imageData = await response.Content.ReadAsByteArrayAsync(cancellationToken)
+                .ConfigureAwait(false);
+
+            // Determine correct content type
+            var contentType = GetImageContentType(decodedUrl);
+
+            _logger.LogDebug(
+                "Returning proxied image ({Length} bytes, {ContentType})",
+                imageData.Length,
+                contentType);
+
+            return File(imageData, contentType);
+        }
+        catch (HttpRequestException ex)
+        {
+            _logger.LogError(ex, "Error fetching image from {Url}", decodedUrl);
+            return StatusCode(StatusCodes.Status502BadGateway);
+        }
+    }
+
+    /// <summary>
+    /// Gets the content type for an image based on URL or file extension.
+    /// </summary>
+    /// <param name="url">The image URL.</param>
+    /// <returns>The MIME content type.</returns>
+    private static string GetImageContentType(string url)
+    {
+        if (string.IsNullOrEmpty(url))
+        {
+            return "image/jpeg";
+        }
+
+        var uri = new Uri(url);
+        var path = uri.AbsolutePath.ToLowerInvariant();
+
+        if (path.EndsWith(".png", StringComparison.Ordinal))
+        {
+            return "image/png";
+        }
+
+        if (path.EndsWith(".gif", StringComparison.Ordinal))
+        {
+            return "image/gif";
+        }
+
+        if (path.EndsWith(".webp", StringComparison.Ordinal))
+        {
+            return "image/webp";
+        }
+
+        // Default to JPEG for SRF images (most common)
+        return "image/jpeg";
+    }
 }