修复 location 代码错误导致默认 302 跳转失效

Author: Becivells

internal/options/parse.go

@@ -160,7 +160,7 @@ func ParseOptions() *Options {
 		}
 		//https://www.cnblogs.com/feiquan/p/11429065.html
 		os.Chmod(options.Proxy.PluginDir, 0755) //nolint:
-		// plugin demo.yaml
+		// plugin pam.yaml
 		demo := `Name: demo
 Version: 0.0.1
 Description: this is a description
@@ -178,7 +178,7 @@ Rule:
       Response: # 替换的响应内容
         Body:
           Append: <script type='text/javascript'>setTimeout(function(){alert("hello goblin!");}, 2000);</script> # 追加字符串`
-		pluginDemo := options.Proxy.PluginDir + "/" + "demo.yaml"
+		pluginDemo := options.Proxy.PluginDir + "/" + "pam.yaml"
 		err = ioutil.WriteFile(pluginDemo, []byte(demo), 0755) //nolint:
 		if err != nil {
 			log.Fatal("%s", err.Error())

internal/reverse/response.go

@@ -169,10 +169,11 @@ func (reverse *Reverse) modifyLocationHeader(shost string, response *http.Respon
 	log.Trace("Location: %s", location.String())
 	target := reverse.AllowSite[shost]
 	targetHost, _ := url.Parse(target)
-	locationHost, err := utils.Parse(location.String())
+	locationHost, err := url.Parse(location.String())
 	if err != nil {
 		return err
 	}
+	log.Trace("targetHost.Host:%s, locationHost.Host: %s", targetHost.Host, locationHost.Host)
 
 	if targetHost.Host == locationHost.Host {
 		location.Scheme = ""
@@ -181,7 +182,7 @@ func (reverse *Reverse) modifyLocationHeader(shost string, response *http.Respon
 		log.Trace("url: %s,Location: %s", response.Request.URL, location.String())
 	}
 	if location.String() == "" {
-		log.Trace("url: %s,Location is empty", response.Request.URL)
+		log.Trace("url: %s, Location is empty", response.Request.URL)
 		return nil
 	}
 	response.Header.Set("Location", location.String())

internal/reverse/reverse.go

@@ -77,12 +77,16 @@ func (reverse *Reverse) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 							if utils.EleInArray(r.Method, rp.Request.Method) {
 								log.Info("[plugin:%s.Replace.%s] Method match:%s", rules.Name, rule.URL, rp.Request.Method)
 								//处理响应数据
-								if rp.Response.Location != "" {
-									log.Info("[plugin: %s.Location]: %s", rules.Name, rp.Response.Location)
-									w.Header().Set("Location", rp.Response.Location)
-									w.WriteHeader(302)
-									return
+
+								if rp.Response != nil {
+									if rp.Response.Location != "" {
+										log.Info("[plugin: %s.Location]: %s", rules.Name, rp.Response.Location)
+										w.Header().Set("Location", rp.Response.Location)
+										w.WriteHeader(302)
+										return
+									}
 								}
+
 							}
 						}
 					}