支持shell脚本嵌套代理

ghproxy/main.go

@@ -195,8 +195,36 @@ func proxy(c *gin.Context, u string) {
 	}
 
 	c.Status(resp.StatusCode)
-	if _, err := io.Copy(c.Writer, resp.Body); err != nil {
-		return
+
+	// 检查是否为.sh文件
+	isShellFile := strings.HasSuffix(strings.ToLower(u), ".sh")
+	isCompressed := resp.Header.Get("Content-Encoding") == "gzip"
+
+	if isShellFile {
+		// 获取真实域名
+		realHost := c.Request.Header.Get("X-Forwarded-Host")
+		if realHost == "" {
+			realHost = c.Request.Host
+		}
+		// 如果域名中没有协议前缀，添加https://
+		if !strings.HasPrefix(realHost, "http://") && !strings.HasPrefix(realHost, "https://") {
+			realHost = "https://" + realHost
+		}
+		// 使用ProcessGitHubURLs处理.sh文件
+		processedBody, _, err := ProcessGitHubURLs(resp.Body, isCompressed, realHost, true)
+		if err != nil {
+			c.String(http.StatusInternalServerError, fmt.Sprintf("处理shell文件时发生错误: %v", err))
+			return
+		}
+		if _, err := io.Copy(c.Writer, processedBody); err != nil {
+			c.String(http.StatusInternalServerError, fmt.Sprintf("写入响应时发生错误: %v", err))
+			return
+		}
+	} else {
+		// 对于非.sh文件，直接复制响应体
+		if _, err := io.Copy(c.Writer, resp.Body); err != nil {
+			return
+		}
 	}
 }