From 4a3fe663f4c23dd1779e7b646b00bdf79ce9fd12 Mon Sep 17 00:00:00 2001
From: hunshnet <337490703@qq.com>
Date: Fri, 10 Apr 2020 18:32:59 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0raw.githubusercontent.com?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md |  1 +
 index.js  | 15 +++++++++------
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index ec05980..40a92f0 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,7 @@ python版本的机器如果无法正常访问github.io会启动报错，请自
 
 ## Changelog
 
+* 2020.04.10 增加对`raw.githubusercontent.com`文件的支持
 * 2020.04.09 增加Python版本（使用Flask）
 * 2020.03.23 新增了clone的支持
 * 2020.03.22 初始版本
diff --git a/index.js b/index.js
index 7d3464f..bbf8659 100644
--- a/index.js
+++ b/index.js
@@ -58,23 +58,26 @@ async function fetchHandler(e) {
     const urlStr = req.url
     const urlObj = new URL(urlStr)
     let path = urlObj.searchParams.get('q')
-    if(path)
-    {
+    if (path) {
         return Response.redirect('https://' + urlObj.host + '/' + path, 301)
     }
     // cfworker 会把路径中的 `//` 合并成 `/`
     path = urlObj.href.substr(urlObj.origin.length + 1).replace(/^https?:\/+/, 'https://')
-    const exp = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:releases|archive)\/.*$/
+    const exp1 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:releases|archive)\/.*$/
     const exp2 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:blob)\/.*$/
     const exp3 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:info|git-upload-pack).*$/
-    if (path.search(exp)===0 || !Config.jsdelivr && path.search(exp2)===0 || !Config.cnpmjs && path.search(exp3)===0) {
+    const exp4 = /^(?:https?:\/\/)?raw\.githubusercontent\.com\/.+?\/.+?\/.+?\/.+$/
+    if (path.search(exp1) === 0 || !Config.jsdelivr && path.search(exp2) === 0 || !Config.cnpmjs && (path.search(exp3) === 0 || path.search(exp4))) {
         return httpHandler(req, path)
-    }else if(path.search(exp2)===0) {
+    } else if (path.search(exp2) === 0) {
         const newUrl = path.replace('/blob/', '@').replace(/^(?:https?:\/\/)?github\.com/, 'https://cdn.jsdelivr.net/gh')
         return Response.redirect(newUrl, 302)
-    }else if (path.search(exp3)===0){
+    } else if (path.search(exp3) === 0) {
         const newUrl = path.replace(/^(?:https?:\/\/)?github\.com/, 'https://github.com.cnpmjs.org')
         return Response.redirect(newUrl, 302)
+    } else if (path.search(exp4) === 0) {
+        const newUrl = path.replace(/(?<=com\/.+?\/.+?)\/(.+?\/)/, '@$1').replace(/^(?:https?:\/\/)?raw\.githubusercontent\.com/, 'https://cdn.jsdelivr.net/gh')
+        return Response.redirect(newUrl, 302)
     } else {
         return fetch(ASSET_URL + path)
     }