fix: route iqiyizyimg and other external images through image-proxy and fix Referer header

Author: henryz78

src/app/api/image-proxy/route.ts

@@ -54,13 +54,20 @@ async function fetchImage(
 ): Promise<Response> {
   const isBangumiImage =
     options?.source === 'bangumi' || isBangumiImageUrl(imageUrl);
-  const headers = {
+  const isDoubanImage = imageUrl.includes('doubanio.com');
+
+  const headers: Record<string, string> = {
     'User-Agent':
       'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36',
     Accept: 'image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
-    Referer: isBangumiImage ? 'https://bgm.tv/' : 'https://movie.douban.com/',
   };
 
+  if (isBangumiImage) {
+    headers.Referer = 'https://bgm.tv/';
+  } else if (isDoubanImage) {
+    headers.Referer = 'https://movie.douban.com/';
+  }
+
   const config = isBangumiImage ? await getConfig() : null;
   const targetUrl = isBangumiImage
     ? applyBangumiImageBaseUrl(imageUrl, config?.SiteConfig.BangumiImageBaseUrl)

src/lib/utils.ts

@@ -438,6 +438,16 @@ export function processImageUrl(originalUrl: string): string {
 
   // 处理豆瓣图片代理
   if (!originalUrl.includes('doubanio.com')) {
+    // 如果是爱奇艺资源站域名，或者用户开启了外部图片代理
+    const isIqiyiImage = originalUrl.includes('iqiyizyimg.com');
+    const enableExternalImageProxy =
+      typeof window !== 'undefined' &&
+      localStorage.getItem('enableExternalImageProxy') === 'true';
+
+    if (isIqiyiImage || enableExternalImageProxy) {
+      return `/api/image-proxy?url=${encodeURIComponent(originalUrl)}`;
+    }
+
     // 升级 http 到 https 防止混合内容拦截，对非豆瓣/Bangumi 的外部图片不做代理直连返回
     return originalUrl.replace(/^http:/i, 'https:');
   }