From 06c61abb121912c40a6d774ac41b907be86b106e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=9C=A8=E5=B0=8F=E9=80=8F=E6=98=8E=E3=83=BB=E5=AE=B8?=
 =?UTF-8?q?=E2=9C=A8?= <1272742391@qq.com>
Date: Sat, 29 May 2021 00:04:35 +0800
Subject: [PATCH] =?UTF-8?q?CORS=E7=9A=84=E4=BF=AE=E6=94=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md         |  2 +-
 cfworker_proxy.js | 22 ++++++++++++++++------
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index b15aa7e..9ccd792 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@
 >
 > 以下网站二次部署时抹去了原作者相关信息，原作者对此表示非常遗憾，在此列出来批判一番：
 >
-> * h**ps://www.41661.com/ 甚至还替换了赞赏的收款码
+> * h**ps://www(dot)41661(dot)com/ 甚至还替换了赞赏的收款码
 
 ---
 
diff --git a/cfworker_proxy.js b/cfworker_proxy.js
index 90adcd5..96dfa79 100644
--- a/cfworker_proxy.js
+++ b/cfworker_proxy.js
@@ -1,5 +1,18 @@
 addEventListener('fetch', event => {
-    event.respondWith(handleRequest(event.request))
+    let response = handleRequest(event.request);
+    const origin = event.request.headers.get('Origin');
+    if ([
+        'http://localhost',
+        'https://akarin.dev',
+        'https://transparentlc.github.io',
+        // Add other mirrors
+    ].includes(origin)) {
+        response = response.then(e => {
+            e.headers.set('Access-Control-Allow-Origin', origin);
+            return e;
+        });
+    }
+    event.respondWith(response);
 });
 
 /**
@@ -15,7 +28,6 @@ async function handleRequest(request) {
     const responseConfig = {
         status: 200,
         headers: {
-            'Access-Control-Allow-Origin': 'https://akarin.dev',
             'Content-Type': 'application/json',
         },
     }
@@ -24,9 +36,7 @@ async function handleRequest(request) {
     try {
         if (!articleURL || !articleURL.startsWith('https://mp.weixin.qq.com')) throw new Error('Invalid URL');
 
-        const articleContent = await (
-            await fetch(articleURL)
-        ).text();
+        const articleContent = await fetch(articleURL).then(res => res.text());
 
         const match = articleContent.match(
             /var msg_title = \'(?<title>[\S\s]*?)\'.html\(false\);[\S\s]*?var msg_cdn_url = "(?<cover>[\S\s]*?)";/
@@ -58,6 +68,6 @@ async function handleRequest(request) {
     } catch (error) {
         console.log(error);
     }
-    
+
     return new Response(JSON.stringify(result), responseConfig);
 }
\ No newline at end of file