2.0.6 (#42)

2.0.6
---
- RELEASE: v2.0.6正式版发布;祝各位新春快乐!
- CHANGE: 优化前端的连接转换逻辑
- CHANGE: 优化代码内不必要的函数化, 1.4之后, 函数化疑似有点太多了
- 优化`HTTP Client`参数
- CHANGE: 为api路由组增加no-cache标头

CHANGELOG.md

@@ -1,5 +1,25 @@
 # 更新日志
 
+2.0.6
+---
+- RELEASE: v2.0.6正式版发布;祝各位新春快乐!
+- CHANGE: 优化前端的连接转换逻辑
+- CHANGE: 优化代码内不必要的函数化, 1.4之后, 函数化疑似有点太多了
+- 优化`HTTP Client`参数
+- CHANGE: 为api路由组增加no-cache标头
+
+25w10b
+---
+- PRE-RELEASE: 此版本是v2.0.6的预发布版本,请勿在生产环境中使用;祝各位新春快乐!
+- CHANGE: 为api路由组增加no-cache标头
+
+25w10a
+---
+- PRE-RELEASE: 此版本是v2.0.6的预发布版本,请勿在生产环境中使用;祝各位新春快乐!
+- CHANGE: 改进前端的连接转换逻辑
+- CHANGE: 优化代码内不必要的函数化, 1.4之后, 函数化疑似有点太多了
+- 优化`HTTP Client`参数
+
 2.0.5
 ---
 - RELEASE: v2.0.5正式版发布;

DEV-VERSION

@@ -1 +1 @@
-25w09b
+25w10b

VERSION

@@ -1 +1 @@
-2.0.5
+2.0.6

api/api.go

@@ -20,8 +20,18 @@ var (
 	logError   = logger.LogError
 )
 
+func NoCacheMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		// 设置禁止缓存的响应头
+		c.Header("Cache-Control", "no-store, no-cache, must-revalidate")
+		c.Header("Pragma", "no-cache")
+		c.Header("Expires", "0")
+		c.Next() // 继续处理请求
+	}
+}
+
 func InitHandleRouter(cfg *config.Config, router *gin.Engine, version string) {
-	apiRouter := router.Group("api")
+	apiRouter := router.Group("api", NoCacheMiddleware())
 	{
 		apiRouter.GET("/size_limit", func(c *gin.Context) {
 			SizeLimitHandler(cfg, c)

pages/index.html

@@ -369,17 +369,17 @@
             let formattedLink = "";
 
             if (githubLink.startsWith("https://github.com/") || githubLink.startsWith("http://github.com/")) {
-                formattedLink = "https://" + currentHost + "/github.com" + githubLink.substring(githubLink.indexOf("/", 8));
+                formattedLink = window.location.protocol + "//" + currentHost + "/github.com" + githubLink.substring(githubLink.indexOf("/", 8));
             } else if (githubLink.startsWith("github.com/")) {
-                formattedLink = "https://" + currentHost + "/" + githubLink;
+                formattedLink = window.location.protocol + "//" + currentHost + "/" + githubLink;
             } else if (githubLink.startsWith("https://raw.githubusercontent.com/") || githubLink.startsWith("http://raw.githubusercontent.com/")) {
-                formattedLink = "https://" + currentHost + githubLink.substring(githubLink.indexOf("/", 7));
+                formattedLink = window.location.protocol + "//" + currentHost + githubLink.substring(githubLink.indexOf("/", 7));
             } else if (githubLink.startsWith("raw.githubusercontent.com/")) {
-                formattedLink = "https://" + currentHost + "/" + githubLink;
+                formattedLink = window.location.protocol + "//" + currentHost + "/" + githubLink;
             } else if (githubLink.startsWith("https://gist.githubusercontent.com/") || githubLink.startsWith("http://gist.githubusercontent.com/")) {
-                formattedLink = "https://" + currentHost + "/gist.github.com" + githubLink.substring(githubLink.indexOf("/", 18));
+                formattedLink = window.location.protocol + "//" + currentHost + "/gist.github.com" + githubLink.substring(githubLink.indexOf("/", 18));
             } else if (githubLink.startsWith("gist.githubusercontent.com/")) {
-                formattedLink = "https://" + currentHost + "/" + githubLink;
+                formattedLink = window.location.protocol + "//" + currentHost + "/" + githubLink;
             } else {
                 showToast('请输入有效的GitHub链接');
                 return null;

proxy/chunkreq.go

@@ -5,7 +5,9 @@ import (
 	"fmt"
 	"ghproxy/config"
 	"io"
+	"net"
 	"net/http"
+	"strconv"
 	"sync"
 	"time"
 
@@ -37,6 +39,13 @@ func initChunkedHTTPClient() {
 		MaxIdleConns:          100,
 		MaxConnsPerHost:       60,
 		IdleConnTimeout:       20 * time.Second,
+		TLSHandshakeTimeout:   10 * time.Second,
+		ExpectContinueTimeout: 1 * time.Second,
+		ResponseHeaderTimeout: 10 * time.Second,
+		DialContext: (&net.Dialer{
+			Timeout:   30 * time.Second,
+			KeepAlive: 30 * time.Second,
+		}).DialContext,
 	}
 	cclient = &http.Client{
 		Transport: ctr,
@@ -62,12 +71,31 @@ func ChunkedProxyRequest(c *gin.Context, u string, cfg *config.Config, mode stri
 		HandleError(c, fmt.Sprintf("Failed to send request: %v", err))
 		return
 	}
-	defer headResp.Body.Close()
+	//defer headResp.Body.Close()
+	defer func(Body io.ReadCloser) {
+		if err := Body.Close(); err != nil {
+			logError("Failed to close response body: %v", err)
+		}
+	}(headResp.Body)
 
+	contentLength := headResp.Header.Get("Content-Length")
+	sizelimit := cfg.Server.SizeLimit * 1024 * 1024
+	if contentLength != "" {
+		size, err := strconv.Atoi(contentLength)
+		if err == nil && size > sizelimit {
+			finalURL := headResp.Request.URL.String()
+			c.Redirect(http.StatusMovedPermanently, finalURL)
+			logWarning("%s %s %s %s %s Final-URL: %s Size-Limit-Exceeded: %d", c.ClientIP(), c.Request.Method, c.Request.URL.String(), c.Request.Header.Get("User-Agent"), c.Request.Proto, finalURL, size)
+			return
+		}
+	}
+
+	/*
 		if err := HandleResponseSize(headResp, cfg, c); err != nil {
 			logWarning("%s %s %s %s %s Response-Size-Error: %v", c.ClientIP(), method, u, c.Request.Header.Get("User-Agent"), c.Request.Proto, err)
 			return
 		}
+	*/
 
 	body, err := readRequestBody(c)
 	if err != nil {
@@ -84,7 +112,6 @@ func ChunkedProxyRequest(c *gin.Context, u string, cfg *config.Config, mode stri
 		return
 	}
 
-	req.Header.Set("Transfer-Encoding", "chunked") // 确保设置分块传输编码
 	setRequestHeaders(c, req)
 	removeWSHeader(req) // 删除Conection Upgrade头, 避免与HTTP/2冲突(检查是否存在Upgrade头)
 	AuthPassThrough(c, cfg, req)
@@ -96,12 +123,45 @@ func ChunkedProxyRequest(c *gin.Context, u string, cfg *config.Config, mode stri
 	}
 	defer resp.Body.Close()
 
+	/*
 		if err := HandleResponseSize(resp, cfg, c); err != nil {
 			logWarning("%s %s %s %s %s Response-Size-Error: %v", c.ClientIP(), method, u, c.Request.Header.Get("User-Agent"), c.Request.Proto, err)
 			return
 		}
+	*/
 
-	CopyResponseHeaders(resp, c, cfg)
+	contentLength = resp.Header.Get("Content-Length")
+	if contentLength != "" {
+		size, err := strconv.Atoi(contentLength)
+		if err == nil && size > sizelimit {
+			finalURL := resp.Request.URL.String()
+			c.Redirect(http.StatusMovedPermanently, finalURL)
+			logWarning("%s %s %s %s %s Final-URL: %s Size-Limit-Exceeded: %d", c.ClientIP(), c.Request.Method, c.Request.URL.String(), c.Request.Header.Get("User-Agent"), c.Request.Proto, finalURL, size)
+			return
+		}
+	}
+
+	for key, values := range resp.Header {
+		for _, value := range values {
+			c.Header(key, value)
+		}
+	}
+
+	headersToRemove := map[string]struct{}{
+		"Content-Security-Policy":   {},
+		"Referrer-Policy":           {},
+		"Strict-Transport-Security": {},
+	}
+
+	for header := range headersToRemove {
+		resp.Header.Del(header)
+	}
+
+	if cfg.CORS.Enabled {
+		c.Header("Access-Control-Allow-Origin", "*")
+	} else {
+		c.Header("Access-Control-Allow-Origin", "")
+	}
 
 	c.Status(resp.StatusCode)
 

proxy/gitreq.go

@@ -6,6 +6,7 @@ import (
 	"ghproxy/config"
 	"io"
 	"net/http"
+	"strconv"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -48,12 +49,25 @@ func GitReq(c *gin.Context, u string, cfg *config.Config, mode string, runMode s
 		HandleError(c, fmt.Sprintf("Failed to send request: %v", err))
 		return
 	}
-	defer headResp.Body.Close()
 
-	if err := HandleResponseSize(headResp, cfg, c); err != nil {
-		logWarning("%s %s %s %s %s Response-Size-Error: %v", c.ClientIP(), method, u, c.Request.Header.Get("User-Agent"), c.Request.Proto, err)
+	// defer headResp.Body.Close()
+	defer func(Body io.ReadCloser) {
+		if err := Body.Close(); err != nil {
+			logError("Failed to close response body: %v", err)
+		}
+	}(headResp.Body)
+
+	contentLength := headResp.Header.Get("Content-Length")
+	sizelimit := cfg.Server.SizeLimit * 1024 * 1024
+	if contentLength != "" {
+		size, err := strconv.Atoi(contentLength)
+		if err == nil && size > sizelimit {
+			finalURL := headResp.Request.URL.String()
+			c.Redirect(http.StatusMovedPermanently, finalURL)
+			logWarning("%s %s %s %s %s Final-URL: %s Size-Limit-Exceeded: %d", c.ClientIP(), c.Request.Method, c.Request.URL.String(), c.Request.Header.Get("User-Agent"), c.Request.Proto, finalURL, size)
 			return
 		}
+	}
 
 	body, err := readRequestBody(c)
 	if err != nil {
@@ -77,14 +91,52 @@ func GitReq(c *gin.Context, u string, cfg *config.Config, mode string, runMode s
 		HandleError(c, fmt.Sprintf("Failed to send request: %v", err))
 		return
 	}
-	defer resp.Body.Close()
+	//defer resp.Body.Close()
+	defer func(Body io.ReadCloser) {
+		if err := Body.Close(); err != nil {
+			logError("Failed to close response body: %v", err)
+		}
+	}(resp.Body)
 
+	/*
 		if err := HandleResponseSize(resp, cfg, c); err != nil {
 			logWarning("%s %s %s %s %s Response-Size-Error: %v", c.ClientIP(), method, u, c.Request.Header.Get("User-Agent"), c.Request.Proto, err)
 			return
 		}
+	*/
+	contentLength = resp.Header.Get("Content-Length")
+	if contentLength != "" {
+		size, err := strconv.Atoi(contentLength)
+		if err == nil && size > sizelimit {
+			finalURL := resp.Request.URL.String()
+			c.Redirect(http.StatusMovedPermanently, finalURL)
+			logWarning("%s %s %s %s %s Final-URL: %s Size-Limit-Exceeded: %d", c.ClientIP(), c.Request.Method, c.Request.URL.String(), c.Request.Header.Get("User-Agent"), c.Request.Proto, finalURL, size)
+			return
+		}
+	}
+
+	for key, values := range resp.Header {
+		for _, value := range values {
+			c.Header(key, value)
+		}
+	}
+
+	headersToRemove := map[string]struct{}{
+		"Content-Security-Policy":   {},
+		"Referrer-Policy":           {},
+		"Strict-Transport-Security": {},
+	}
+
+	for header := range headersToRemove {
+		resp.Header.Del(header)
+	}
+
+	if cfg.CORS.Enabled {
+		c.Header("Access-Control-Allow-Origin", "*")
+	} else {
+		c.Header("Access-Control-Allow-Origin", "")
+	}
 
-	CopyResponseHeaders(resp, c, cfg)
 	c.Status(resp.StatusCode)
 
 	if _, err := io.Copy(c.Writer, resp.Body); err != nil {

proxy/proxy.go

@@ -5,9 +5,6 @@ import (
 	"io"
 	"net/http"
 	"regexp"
-	"strconv"
-
-	"ghproxy/config"
 
 	"github.com/WJQSERVER-STUDIO/go-utils/logger"
 	"github.com/gin-gonic/gin"
@@ -60,22 +57,6 @@ func SendRequest(c *gin.Context, req *req.Request, method, url string) (*req.Res
 }
 */
 
-// 处理响应大小
-func HandleResponseSize(resp *http.Response, cfg *config.Config, c *gin.Context) error {
-	contentLength := resp.Header.Get("Content-Length")
-	sizelimit := cfg.Server.SizeLimit * 1024 * 1024
-	if contentLength != "" {
-		size, err := strconv.Atoi(contentLength)
-		if err == nil && size > sizelimit {
-			finalURL := resp.Request.URL.String()
-			c.Redirect(http.StatusMovedPermanently, finalURL)
-			logWarning("%s %s %s %s %s Final-URL: %s Size-Limit-Exceeded: %d", c.ClientIP(), c.Request.Method, c.Request.URL.String(), c.Request.Header.Get("User-Agent"), c.Request.Proto, finalURL, size)
-			return fmt.Errorf("Path: %s size limit exceeded: %d", finalURL, size)
-		}
-	}
-	return nil
-}
-
 func HandleError(c *gin.Context, message string) {
 	c.String(http.StatusInternalServerError, fmt.Sprintf("server error %v", message))
 	logWarning(message)
@@ -91,3 +72,21 @@ func CheckURL(u string, c *gin.Context) []string {
 	logWarning(errMsg)
 	return nil
 }
+
+/*
+// 处理响应大小
+func HandleResponseSize(resp *http.Response, cfg *config.Config, c *gin.Context) error {
+	contentLength := resp.Header.Get("Content-Length")
+	sizelimit := cfg.Server.SizeLimit * 1024 * 1024
+	if contentLength != "" {
+		size, err := strconv.Atoi(contentLength)
+		if err == nil && size > sizelimit {
+			finalURL := resp.Request.URL.String()
+			c.Redirect(http.StatusMovedPermanently, finalURL)
+			logWarning("%s %s %s %s %s Final-URL: %s Size-Limit-Exceeded: %d", c.ClientIP(), c.Request.Method, c.Request.URL.String(), c.Request.Header.Get("User-Agent"), c.Request.Proto, finalURL, size)
+			return fmt.Errorf("Path: %s size limit exceeded: %d", finalURL, size)
+		}
+	}
+	return nil
+}
+*/

proxy/respheader.go

@@ -1,56 +0,0 @@
-package proxy
-
-import (
-	"ghproxy/config"
-	"net/http"
-
-	"github.com/gin-gonic/gin"
-)
-
-func CopyResponseHeaders(resp *http.Response, c *gin.Context, cfg *config.Config) {
-
-	copyHeaders(resp, c)
-
-	removeHeaders(resp)
-
-	setCORSHeaders(c, cfg)
-
-	setDefaultHeaders(c)
-}
-
-// 复制响应头
-func copyHeaders(resp *http.Response, c *gin.Context) {
-	for key, values := range resp.Header {
-		for _, value := range values {
-			c.Header(key, value)
-		}
-	}
-}
-
-// 移除指定响应头
-func removeHeaders(resp *http.Response) {
-	headersToRemove := map[string]struct{}{
-		"Content-Security-Policy":   {},
-		"Referrer-Policy":           {},
-		"Strict-Transport-Security": {},
-	}
-
-	for header := range headersToRemove {
-		resp.Header.Del(header)
-	}
-}
-
-// CORS配置
-func setCORSHeaders(c *gin.Context, cfg *config.Config) {
-	if cfg.CORS.Enabled {
-		c.Header("Access-Control-Allow-Origin", "*")
-	} else {
-		c.Header("Access-Control-Allow-Origin", "")
-	}
-}
-
-// 默认响应
-func setDefaultHeaders(c *gin.Context) {
-	c.Header("Age", "10")
-	c.Header("Cache-Control", "max-age=300")
-}