feat: allow any url

Author: AnotiaWang

Dockerfile

@@ -1,4 +1,3 @@
-# 使用官方 Go 基础镜像，这里可以指定 Go 版本
 FROM golang:1.22-alpine AS builder
 
 # 设置工作目录
@@ -27,4 +26,4 @@ COPY --from=builder /app/main .
 EXPOSE 80
 
 # 运行可执行文件
-CMD ["./main"]
+ENTRYPOINT ["./main"]

README.md

@@ -11,7 +11,10 @@ A simple Go proxy for GitHub API, but MUCH lighter. Ported & modified from [huns
 ### Docker
 
 ```bash
+# 直接运行，只允许代理 GitHub 链接
 docker run -d -p 80:80 --name gh-proxy-go anotia/gh-proxy-go
+# 允许代理任意链接
+docker run -d -p 80:80 --name gh-proxy-go anotia/gh-proxy-go --allow-any-url
 ```
 
 ### 命令行运行
@@ -24,4 +27,7 @@ docker run -d -p 80:80 --name gh-proxy-go anotia/gh-proxy-go
 
 # 修改端口 / 地址
 ./gh-proxy-go --port 8080 --host 127.0.0.1
+
+# 允许代理任意链接
+./gh-proxy-go --allow-any-url
 ```

index.html

@@ -128,9 +128,7 @@
   <h1 style="margin-bottom: 50px">GitHub 文件加速</h1>
   <form action="./" method="get" style="padding-bottom: 40px" target="_blank" class="flex" onsubmit="toSubmit(event)">
     <label class="block" style="width: fit-content">
-      <input class="block url" name="q" type="text" placeholder="输入 GitHub 文件链接"
-        pattern="^((https|http):\/\/)?(github\.com\/.+?\/.+?\/(?:releases|archive|blob|raw|suites)|((?:raw|gist)\.(?:githubusercontent|github)\.com))\/.+$"
-        required>
+      <input class="block url" name="q" type="text" placeholder="输入 GitHub 文件链接" required>
       <div class="bar"></div>
     </label>
     <input class="block btn" type="submit" value="下载">
@@ -147,7 +145,8 @@ <h1 style="margin-bottom: 50px">GitHub 文件加速</h1>
     </div>
   </form>
   <p style="position: sticky;top: calc(100% - 2.5em);">项目使用 Go 编写，开源于 <a style="color: #3294ea"
-      href="https://github.com/AnotiaWang/gh-proxy-go">GitHub</a>，改编自 <a style="color: #3294ea" href="https://github.com/hunshcn/gh-proxy">hunshcn/gh-proxy</a>
+      href="https://github.com/AnotiaWang/gh-proxy-go">GitHub</a>，改编自 <a style="color: #3294ea"
+      href="https://github.com/hunshcn/gh-proxy">hunshcn/gh-proxy</a>
   </p>
 </body>
 

main.go

@@ -20,13 +20,14 @@ var (
 	jsdelivr = 0
 	// whiteList = []string{}
 	// blackList = []string{}
-	passList = []string{}
-	exp1     = regexp.MustCompile(`^(?:https?://)?github\.com/(?P<author>.+?)/(?P<repo>.+?)/(?:releases|archive)/.*$`)
-	exp2     = regexp.MustCompile(`^(?:https?://)?github\.com/(?P<author>.+?)/(?P<repo>.+?)/(?:blob|raw)/.*$`)
-	exp3     = regexp.MustCompile(`^(?:https?://)?github\.com/(?P<author>.+?)/(?P<repo>.+?)/(?:info|git-).*$`)
-	exp4     = regexp.MustCompile(`^(?:https?://)?raw\.(?:githubusercontent|github)\.com/(?P<author>.+?)/(?P<repo>.+?)/.+?/.+$`)
-	exp5     = regexp.MustCompile(`^(?:https?://)?gist\.(?:githubusercontent|github)\.com/(?P<author>.+?)/.+?/.+$`)
-	exp6     = regexp.MustCompile(`(\.com/.*?/.+?)/(.+?/)`)
+	passList    = []string{}
+	exp1        = regexp.MustCompile(`^(?:https?://)?github\.com/(?P<author>.+?)/(?P<repo>.+?)/(?:releases|archive)/.*$`)
+	exp2        = regexp.MustCompile(`^(?:https?://)?github\.com/(?P<author>.+?)/(?P<repo>.+?)/(?:blob|raw)/.*$`)
+	exp3        = regexp.MustCompile(`^(?:https?://)?github\.com/(?P<author>.+?)/(?P<repo>.+?)/(?:info|git-).*$`)
+	exp4        = regexp.MustCompile(`^(?:https?://)?raw\.(?:githubusercontent|github)\.com/(?P<author>.+?)/(?P<repo>.+?)/.+?/.+$`)
+	exp5        = regexp.MustCompile(`^(?:https?://)?gist\.(?:githubusercontent|github)\.com/(?P<author>.+?)/.+?/.+$`)
+	exp6        = regexp.MustCompile(`(\.com/.*?/.+?)/(.+?/)`)
+	allowAnyUrl bool
 )
 
 func main() {
@@ -35,6 +36,7 @@ func main() {
 
 	flag.StringVar(&host, "host", "0.0.0.0", "Host address")
 	flag.StringVar(&port, "port", "80", "Port number")
+	flag.BoolVar(&allowAnyUrl, "allow-any-url", false, "Do not check if the URL is a GitHub URL")
 	flag.Parse()
 
 	hostRegExp := regexp.MustCompile(`^\d+\.\d+\.\d+\.\d+$`)
@@ -80,6 +82,11 @@ func main() {
 		handler(c, path)
 	})
 
+	if allowAnyUrl {
+		log.Println("Mode: Allow any URL")
+	} else {
+		log.Println("Mode: GitHub URL only")
+	}
 	log.Println("Starting server at " + host + ":" + port)
 
 	err := router.Run(host + ":" + port)
@@ -107,7 +114,7 @@ func handler(c *gin.Context, u string) {
 				break
 			}
 		}
-	} else {
+	} else if !allowAnyUrl {
 		c.String(http.StatusForbidden, "Invalid input.")
 		return
 	}