24w06b

caddyfile/dev/Caddyfile

@@ -77,7 +77,7 @@
         to 127.0.0.1:8080
         import header_realip
     }
-    import log go
+    import log ghproxy
     import cache 0s 600s
     import error_page  
     import encode

caddyfile/release/Caddyfile

@@ -77,7 +77,7 @@
         to 127.0.0.1:8080
         import header_realip
     }
-    import log go
+    import log ghproxy
     import cache 0s 600s
     import error_page  
     import encode

main.go

@@ -3,20 +3,35 @@ package main
 import (
 	"encoding/json"
 	"fmt"
+	"io"
 	"log"
 	"net/http"
+	"regexp"
+	"strconv"
+	"strings"
 
+	"ghproxy/auth"
 	"ghproxy/config"
 	"ghproxy/logger"
-	"ghproxy/proxy"
 
 	"github.com/gin-gonic/gin"
+	"github.com/imroc/req/v3"
 )
 
 var cfg *config.Config
 var logw = logger.Logw
 var router *gin.Engine
 
+var (
+	exps = []*regexp.Regexp{
+		regexp.MustCompile(`^(?:https?://)?github\.com/([^/]+)/([^/]+)/(?:releases|archive)/.*`),
+		regexp.MustCompile(`^(?:https?://)?github\.com/([^/]+)/([^/]+)/(?:blob|raw)/.*`),
+		regexp.MustCompile(`^(?:https?://)?github\.com/([^/]+)/([^/]+)/(?:info|git-).*`),
+		regexp.MustCompile(`^(?:https?://)?raw\.github(?:usercontent|)\.com/([^/]+)/([^/]+)/.+?/.+`),
+		regexp.MustCompile(`^(?:https?://)?gist\.github\.com/([^/]+)/.+?/.+`),
+	}
+)
+
 func loadConfig() {
 	var err error
 	// 初始化配置
@@ -34,7 +49,6 @@ func setupLogger() {
 	if err != nil {
 		log.Fatalf("Failed to initialize logger: %v", err)
 	}
-	logw("Config loaded")
 	logw("Logger initialized")
 	logw("Init Completed")
 }
@@ -62,10 +76,7 @@ func init() {
 	})
 
 	// 未匹配路由处理
-	//router.NoRoute(proxy.NoRouteHandler(cfg))
-	router.NoRoute(func(c *gin.Context) {
-		proxy.NoRouteHandler(cfg)(c)
-	})
+	router.NoRoute(noRouteHandler(cfg))
 }
 
 func main() {
@@ -85,3 +96,165 @@ func api(c *gin.Context) {
 		"MaxResponseBodySize": cfg.SizeLimit,
 	})
 }
+
+func noRouteHandler(config *config.Config) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		rawPath := strings.TrimPrefix(c.Request.URL.RequestURI(), "/")
+		re := regexp.MustCompile(`^(http:|https:)?/?/?(.*)`)
+		matches := re.FindStringSubmatch(rawPath)
+
+		rawPath = "https://" + matches[2]
+
+		matches = checkURL(rawPath)
+		if matches == nil {
+			c.String(http.StatusForbidden, "Invalid input.")
+			return
+		}
+
+		if exps[1].MatchString(rawPath) {
+			rawPath = strings.Replace(rawPath, "/blob/", "/raw/", 1)
+		}
+
+		if !auth.AuthHandler(c) {
+			c.AbortWithStatusJSON(401, gin.H{"error": "Unauthorized"})
+			logw("Unauthorized request: %s", rawPath)
+			return
+		}
+
+		// 日志记录
+		logw("Request: %s %s", c.Request.Method, rawPath)
+		logw("Matches: %v", matches)
+
+		// 代理请求
+		switch {
+		case exps[0].MatchString(rawPath), exps[1].MatchString(rawPath), exps[3].MatchString(rawPath), exps[4].MatchString(rawPath):
+			logw("%s Matched - USE proxy-chrome", rawPath)
+			proxyRequest(c, rawPath, config, "chrome")
+		case exps[2].MatchString(rawPath):
+			logw("%s Matched - USE proxy-git", rawPath)
+			proxyRequest(c, rawPath, config, "git")
+		default:
+			c.String(http.StatusForbidden, "Invalid input.")
+			return
+		}
+	}
+}
+
+func proxyRequest(c *gin.Context, u string, config *config.Config, mode string) {
+	method := c.Request.Method
+	logw("%s Method: %s", u, method)
+
+	client := req.C()
+
+	switch mode {
+	case "chrome":
+		client.SetUserAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36").
+			SetTLSFingerprintChrome().
+			ImpersonateChrome()
+	case "git":
+		client.SetUserAgent("git/2.33.1")
+	}
+
+	// 读取请求体
+	body, err := io.ReadAll(c.Request.Body)
+	if err != nil {
+		handleError(c, fmt.Sprintf("Failed to read request body: %v", err))
+		return
+	}
+	defer c.Request.Body.Close()
+
+	// 创建新的请求
+	req := client.R().SetBody(body)
+
+	// 复制请求头
+	for key, values := range c.Request.Header {
+		for _, value := range values {
+			req.SetHeader(key, value)
+		}
+	}
+
+	// 发送请求并处理响应
+	resp, err := sendRequest(req, method, u)
+	if err != nil {
+		handleError(c, fmt.Sprintf("Failed to send request: %v", err))
+		return
+	}
+	defer resp.Body.Close()
+
+	// 检查响应内容长度并处理重定向
+	if err := handleResponseSize(resp, config, c); err != nil {
+		logw("Error handling response size: %v", err)
+		return
+	}
+
+	copyResponseHeaders(resp, c, config)
+	c.Status(resp.StatusCode)
+	if _, err := io.Copy(c.Writer, resp.Body); err != nil {
+		logw("Failed to copy response body: %v", err)
+	}
+}
+
+func sendRequest(req *req.Request, method, url string) (*req.Response, error) {
+	switch method {
+	case "GET":
+		return req.Get(url)
+	case "POST":
+		return req.Post(url)
+	case "PUT":
+		return req.Put(url)
+	case "DELETE":
+		return req.Delete(url)
+	default:
+		return nil, fmt.Errorf("unsupported method: %s", method)
+	}
+}
+
+func handleResponseSize(resp *req.Response, config *config.Config, c *gin.Context) error {
+	contentLength := resp.Header.Get("Content-Length")
+	if contentLength != "" {
+		size, err := strconv.Atoi(contentLength)
+		if err == nil && size > config.SizeLimit {
+			finalURL := resp.Request.URL.String()
+			c.Redirect(http.StatusMovedPermanently, finalURL)
+			logw("Redirecting to %s due to size limit (%d bytes)", finalURL, size)
+			return fmt.Errorf("response size exceeds limit")
+		}
+	}
+	return nil
+}
+
+func copyResponseHeaders(resp *req.Response, c *gin.Context, config *config.Config) {
+	headersToRemove := []string{"Content-Security-Policy", "Referrer-Policy", "Strict-Transport-Security"}
+
+	for _, header := range headersToRemove {
+		resp.Header.Del(header)
+	}
+
+	for key, values := range resp.Header {
+		for _, value := range values {
+			c.Header(key, value)
+		}
+	}
+
+	if config.CORSOrigin {
+		c.Header("Access-Control-Allow-Origin", "*")
+	} else {
+		c.Header("Access-Control-Allow-Origin", "")
+	}
+}
+
+func handleError(c *gin.Context, message string) {
+	c.String(http.StatusInternalServerError, fmt.Sprintf("server error %v", message))
+	logw(message)
+}
+
+func checkURL(u string) []string {
+	for _, exp := range exps {
+		if matches := exp.FindStringSubmatch(u); matches != nil {
+			logw("URL matched: %s, Matches: %v", u, matches[1:])
+			return matches[1:]
+		}
+	}
+	logw("Invalid URL: %s", u)
+	return nil
+}

proxy/.proxy.go

@@ -1,4 +1,4 @@
-// proxy/proxy.go
+// proxy/proxy.go 实验性
 package proxy
 
 import (