feat: align with upstream 1.5.9.9

2026-09-12 18:21:11 +08:00
commit 34f0679117
805 changed files with 376275 additions and 0 deletions
@@ -0,0 +1,114 @@
+/**
+ * Bilibili 播放链接获取接口
+ * 代码参考 https://github.com/rio4raki/Bilibili-audio-extraction 优化
+ * 采用 platform=html5 获取对浏览器 <audio> 标签兼容性最好的直链
+ * 同时转发客户端 IP，解决海外服务器获取到错误 CDN 节点导致访问慢的问题
+ */
+import { defineEventHandler, getQuery } from 'h3'
+import { createApiError } from '~~/server/utils/apiError'
+import { SERVER_ERROR_CODES } from '~~/server/config/constants'
+import { getClientIP } from '~~/server/utils/ip-utils'
+
+interface NoRefererPlayUrlRes {
+  code: number
+  message: string
+  data: {
+    durl: [
+      {
+        url: string
+      }
+    ]
+  }
+}
+
+export default defineEventHandler(async (event) => {
+  const query = getQuery(event)
+  const bvid = query.id as string
+  const cid = query.cid as string
+
+  if (!bvid) {
+    throw createApiError(400, SERVER_ERROR_CODES.COMMON_INVALID_PARAMS, '缺少 id 参数')
+  }
+
+  // 提取客户端真实 IP，用于转发给 Bilibili 接口，以便分配最快 CDN 节点
+  const clientIp = getClientIP(event)
+
+  const headers: Record<string, string> = {
+    Cookie: 'buvid3=0',
+    Referer: 'https://www.bilibili.com/',
+    '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'
+  }
+
+  if (clientIp !== 'unknown') {
+    headers['X-Forwarded-For'] = clientIp
+    headers['X-Real-IP'] = clientIp
+    headers['Client-IP'] = clientIp
+  }
+
+  try {
+    let finalCid = cid
+
+    if (!finalCid) {
+      const target_url = 'https://api.bilibili.com/x/web-interface/view'
+      const resp1: any = await $fetch(target_url, {
+        method: 'GET',
+        params: { bvid },
+        headers,
+        timeout: 10000
+      })
+
+      if (!resp1?.data?.pages?.[0]?.cid) {
+        console.error('[Bilibili] CID 获取失败，响应:', JSON.stringify(resp1).slice(0, 300))
+        // 降级：去掉 Cookie 重试，部分场景 Cookie 反而触发风控
+        try {
+          const fallback: any = await $fetch(target_url, {
+            method: 'GET',
+            params: { bvid },
+            headers: {
+              Referer: 'https://www.bilibili.com/',
+              'User-Agent': headers['User-Agent']
+            },
+            timeout: 10000
+          })
+          if (fallback?.data?.pages?.[0]?.cid) {
+            finalCid = fallback.data.pages[0].cid
+          } else {
+            console.error('[Bilibili] 降级请求仍无 CID，响应:', JSON.stringify(fallback).slice(0, 300))
+            throw new Error('获取 CID 失败')
+          }
+        } catch (fallbackErr: any) {
+          throw new Error(`获取 CID 失败: ${fallbackErr?.message || '未知错误'}`)
+        }
+      } else {
+        finalCid = resp1.data.pages[0].cid
+      }
+    }
+
+    // 使用 platform=html5 参数绕过严格防盗链验证（允许前端使用 referrerpolicy="no-referrer"）
+    const target_url2 = 'https://api.bilibili.com/x/player/playurl'
+
+    const resp2 = await $fetch<NoRefererPlayUrlRes>(target_url2, {
+      method: 'GET',
+      params: {
+        fnval: 1,
+        platform: 'html5',
+        high_quality: 1,
+        bvid,
+        cid: finalCid
+      },
+      headers,
+      timeout: 10000
+    })
+
+    if (resp2.data?.durl?.length > 0) {
+      const url = resp2.data.durl[0].url
+      return { url, pay: false }
+    } else {
+      throw new Error(`获取歌曲链接失败: ${resp2.message || '未知错误'}`)
+    }
+  } catch (error: any) {
+    console.error('Bilibili playurl error:', error)
+    throw createApiError(500, SERVER_ERROR_CODES.BILIBILI_PLAYURL_FAILED, error.message || '获取 Bilibili 音频链接失败')
+  }
+})