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fix(chat): proxy_image 增强防盗链请求头以提升图片命中率

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- 为部分 CDN 增加更兼容的 User-Agent/Referer/Origin 等兜底策略
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2977094657
2026-02-03 16:31:51 +08:00
parent 3297f24f52
commit 175ed20a5f
1 changed files with 11 additions and 0 deletions
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11
src/wechat_decrypt_tool/routers/chat_media.py
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@@ -443,6 +443,17 @@ async def proxy_image(url: str):
# Different Tencent CDNs enforce different anti-hotlink rules.
# Try a couple of safe referers so Moments(qpic) and MP(qpic) both work.
header_variants = [
# WeFlow/Electron uses a MicroMessenger UA + servicewechat.com referer to pass some
# WeChat CDN anti-hotlink checks (qlogo/qpic). Browsers can't set these headers for <img>,
# but our backend proxy can.
{
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 MicroMessenger/7.0.20.1781(0x6700143B) WindowsWechat(0x63090719) XWEB/8351",
"Accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
"Accept-Language": "zh-CN,zh;q=0.9",
"Referer": "https://servicewechat.com/",
"Origin": "https://servicewechat.com",
"Range": "bytes=0-",
},
{"Referer": "https://wx.qq.com/", "Origin": "https://wx.qq.com"},
{"Referer": "https://mp.weixin.qq.com/", "Origin": "https://mp.weixin.qq.com"},
{"Referer": "https://www.baidu.com/", "Origin": "https://www.baidu.com"},