feat: fallback douban proxy

VERSION.txt

@@ -1 +1 @@
-20250807215120
+20250807220314

src/app/api/douban/categories/route.ts

@@ -1,6 +1,7 @@
 import { NextResponse } from 'next/server';
 
 import { getCacheTime } from '@/lib/config';
+import { fetchDoubanData } from '@/lib/douban';
 import { DoubanItem, DoubanResult } from '@/lib/types';
 
 interface DoubanCategoryApiResponse {
@@ -19,41 +20,6 @@ interface DoubanCategoryApiResponse {
   }>;
 }
 
-async function fetchDoubanData(
-  url: string
-): Promise<DoubanCategoryApiResponse> {
-  // 添加超时控制
-  const controller = new AbortController();
-  const timeoutId = setTimeout(() => controller.abort(), 10000); // 10秒超时
-
-  // 设置请求选项，包括信号和头部
-  const fetchOptions = {
-    signal: controller.signal,
-    headers: {
-      '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',
-      Referer: 'https://movie.douban.com/',
-      Accept: 'application/json, text/plain, */*',
-      Origin: 'https://movie.douban.com',
-    },
-  };
-
-  try {
-    // 尝试直接访问豆瓣API
-    const response = await fetch(url, fetchOptions);
-    clearTimeout(timeoutId);
-
-    if (!response.ok) {
-      throw new Error(`HTTP error! Status: ${response.status}`);
-    }
-
-    return await response.json();
-  } catch (error) {
-    clearTimeout(timeoutId);
-    throw error;
-  }
-}
-
 export const runtime = 'edge';
 
 export async function GET(request: Request) {
@@ -99,7 +65,7 @@ export async function GET(request: Request) {
 
   try {
     // 调用豆瓣 API
-    const doubanData = await fetchDoubanData(target);
+    const doubanData = await fetchDoubanData<DoubanCategoryApiResponse>(target);
 
     // 转换数据格式
     const list: DoubanItem[] = doubanData.items.map((item) => ({

src/app/api/douban/route.ts

@@ -1,6 +1,7 @@
 import { NextResponse } from 'next/server';
 
 import { getCacheTime } from '@/lib/config';
+import { fetchDoubanData } from '@/lib/douban';
 import { DoubanItem, DoubanResult } from '@/lib/types';
 
 interface DoubanApiResponse {
@@ -12,38 +13,6 @@ interface DoubanApiResponse {
   }>;
 }
 
-async function fetchDoubanData(url: string): Promise<DoubanApiResponse> {
-  // 添加超时控制
-  const controller = new AbortController();
-  const timeoutId = setTimeout(() => controller.abort(), 10000); // 10秒超时
-
-  // 设置请求选项，包括信号和头部
-  const fetchOptions = {
-    signal: controller.signal,
-    headers: {
-      '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',
-      Referer: 'https://movie.douban.com/',
-      Accept: 'application/json, text/plain, */*',
-    },
-  };
-
-  try {
-    // 尝试直接访问豆瓣API
-    const response = await fetch(url, fetchOptions);
-    clearTimeout(timeoutId);
-
-    if (!response.ok) {
-      throw new Error(`HTTP error! Status: ${response.status}`);
-    }
-
-    return await response.json();
-  } catch (error) {
-    clearTimeout(timeoutId);
-    throw error;
-  }
-}
-
 export const runtime = 'edge';
 
 export async function GET(request: Request) {
@@ -92,7 +61,7 @@ export async function GET(request: Request) {
 
   try {
     // 调用豆瓣 API
-    const doubanData = await fetchDoubanData(target);
+    const doubanData = await fetchDoubanData<DoubanApiResponse>(target);
 
     // 转换数据格式
     const list: DoubanItem[] = doubanData.subjects.map((item) => ({

src/lib/douban.ts

@@ -0,0 +1,52 @@
+/**
+ * 通用的豆瓣数据获取函数
+ * @param url 请求的URL
+ * @returns Promise<T> 返回指定类型的数据
+ */
+export async function fetchDoubanData<T>(url: string): Promise<T> {
+  // 添加超时控制
+  const controller = new AbortController();
+  const timeoutId = setTimeout(() => controller.abort(), 10000); // 10秒超时
+
+  // 设置请求选项，包括信号和头部
+  const fetchOptions = {
+    signal: controller.signal,
+    headers: {
+      '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',
+      Referer: 'https://movie.douban.com/',
+      Accept: 'application/json, text/plain, */*',
+      Origin: 'https://movie.douban.com',
+    },
+  };
+
+  try {
+    // 尝试直接访问豆瓣API
+    const response = await fetch(url, fetchOptions);
+    clearTimeout(timeoutId);
+
+    if (!response.ok) {
+      throw new Error(`HTTP error! Status: ${response.status}`);
+    }
+
+    return await response.json();
+  } catch (error) {
+    const fallbackUrl = `https://api.allorigins.win/get?url=${encodeURIComponent(
+      url
+    )}`;
+    try {
+      const fallbackResponse = await fetch(fallbackUrl, fetchOptions);
+      if (!fallbackResponse.ok) {
+        throw new Error(`HTTP error! Status: ${fallbackResponse.status}`);
+      }
+      const fallbackData = await fallbackResponse.json();
+      if (fallbackData && fallbackData.contents) {
+        return JSON.parse(fallbackData.contents);
+      }
+      throw new Error('Invalid fallback response');
+    } catch (fallbackError) {
+      clearTimeout(timeoutId);
+      throw fallbackError;
+    }
+  }
+}

src/lib/version.ts

@@ -2,7 +2,7 @@
 
 'use client';
 
-const CURRENT_VERSION = '20250807215120';
+const CURRENT_VERSION = '20250807220314';
 
 // 版本检查结果枚举
 export enum UpdateStatus {