feat(qt): 蜻蜓FM平台接入——audiostream HMAC-MD5 签名直链、SSR 搜索/频道节目列表

sdk/qt/http.ts

@@ -0,0 +1,39 @@
+// 蜻蜓FM SSR 请求助手 —— 域名迁移（www.qingting.fm → www.qtfm.cn）伴随华为 WAF 会话，
+// 302 时需带上 Set-Cookie 的 HWWAFSESID/HWWAFSESTIME 再请求 Location，否则可能被 WAF 拦
+import { httpFetch } from '../request.ts'
+
+const UA = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36'
+
+/** GET 并跟随最多 3 跳重定向（累计收集 Cookie 回带），返回最终响应 */
+export const ssrGet = async(url: string): Promise<{ statusCode: number, html: string }> => {
+  let current = url
+  let cookie = ''
+  for (let hop = 0; hop < 4; hop++) {
+    const { statusCode, headers, raw, body } = await httpFetch(current, {
+      headers: {
+        'User-Agent': UA,
+        Referer: 'https://www.qtfm.cn/',
+        Accept: 'text/html,application/xhtml+xml',
+        ...(cookie ? { Cookie: cookie } : {}),
+      },
+      timeout: 15000,
+    }).promise as any
+    const setCookies = (headers as any)?.['set-cookie'] ?? []
+    const pairs = (Array.isArray(setCookies) ? setCookies : [setCookies])
+      .map((c: string) => String(c).split(';')[0].trim())
+      .filter(Boolean)
+    if (pairs.length) cookie = [...cookie.split('; ').filter(Boolean), ...pairs].join('; ')
+
+    if (statusCode >= 300 && statusCode < 400) {
+      const loc = String((headers as any)?.location || '')
+      if (loc) {
+        current = loc.startsWith('http') ? loc : new URL(loc, current).href
+        continue
+      }
+    }
+    return { statusCode, html: raw ? raw.toString('utf8') : String(body ?? '') }
+  }
+  throw new Error('重定向次数过多')
+}
+
+export default { ssrGet }