feat(loon): add Loon configuration template and enhance proxy handling

internal/logic/subscribe/subscribeLogic.go

@@ -236,6 +236,7 @@ func (l *SubscribeLogic) buildClientConfig(req *types.SubscribeRequest, userSub
 		})
 	case "loon":
 		resp = proxyManager.BuildLoon(userSub.UUID)
+		l.setLoonHeaders()
 	case "surfboard":
 		subsURL := l.getSubscribeURL(userSub.Token, "surfboard")
 		resp = proxyManager.BuildSurfboard(l.svc.Config.Site.SiteName, surfboard.UserInfo{
@@ -286,6 +287,11 @@ func (l *SubscribeLogic) setSurgeHeaders() {
 	l.ctx.Header("Content-Type", "application/octet-stream; charset=UTF-8")
 }
 
+func (l *SubscribeLogic) setLoonHeaders() {
+	l.ctx.Header("content-disposition", fmt.Sprintf("attachment;filename*=UTF-8''%s.conf", url.QueryEscape(l.svc.Config.Site.SiteName)))
+	l.ctx.Header("Content-Type", "application/octet-stream; charset=UTF-8")
+}
+
 func (l *SubscribeLogic) getSubscribeURL(token, flag string) string {
 	if l.svc.Config.Subscribe.PanDomain {
 		return fmt.Sprintf("https://%s", l.ctx.Request.Host)

pkg/adapter/loon/build.go

@@ -1,27 +1,61 @@
 package loon
 
 import (
+	"bytes"
+	"embed"
+	"strings"
+	"text/template"
+
 	"github.com/perfect-panel/server/pkg/adapter/proxy"
+	"github.com/perfect-panel/server/pkg/logger"
 )
 
+//go:embed *.tpl
+var configFiles embed.FS
+
 func BuildLoon(servers []proxy.Proxy, uuid string) []byte {
 	uri := ""
+	nodes := make([]string, 0)
 	for _, s := range servers {
 		switch s.Protocol {
 		case "vmess":
+			nodes = append(nodes, s.Name)
 			uri += buildVMess(s, uuid)
 		case "shadowsocks":
+			nodes = append(nodes, s.Name)
 			uri += buildShadowsocks(s, uuid)
 		case "trojan":
+			nodes = append(nodes, s.Name)
 			uri += buildTrojan(s, uuid)
 		case "vless":
+			nodes = append(nodes, s.Name)
 			uri += buildVless(s, uuid)
 		case "hysteria2":
+			nodes = append(nodes, s.Name)
 			uri += buildHysteria2(s, uuid)
 		default:
 			continue
 		}
 	}
+	file, err := configFiles.ReadFile("default.tpl")
+	if err != nil {
+		logger.Errorf("read default surfboard config error: %v", err.Error())
+		return nil
+	}
+	// replace template
+	tpl, err := template.New("default").Parse(string(file))
+	if err != nil {
+		logger.Errorf("read default surfboard config error: %v", err.Error())
+		return nil
+	}
+	var buf bytes.Buffer
+	if err = tpl.Execute(&buf, map[string]interface{}{
+		"Proxies": uri,
+		"Nodes":   strings.Join(nodes, ","),
+	}); err != nil {
+		logger.Errorf("Execute Loon template error: %v", err.Error())
+		return nil
+	}
 
-	return []byte(uri)
+	return buf.Bytes()
 }

pkg/adapter/loon/default.tpl

@@ -0,0 +1,58 @@
+[General]
+ipv6-vif = auto
+ip-mode = dual
+skip-proxy = 192.168.0.0/16,10.0.0.0/8,172.16.0.0/12,127.0.0.0/8,localhost,*.local
+bypass-tun = 192.168.0.0/16,10.0.0.0/8,172.16.0.0/12,127.0.0.0/8,localhost,*.local
+dns-server = system,119.29.29.29,223.5.5.5
+hijack-dns = 8.8.8.8:53,8.8.4.4:53,1.1.1.1:53,1.0.0.1:53
+allow-wifi-access = true
+wifi-access-http-port = 6888
+wifi-access-socks5-port = 6889
+proxy-test-url = http://bing.com/generate_204
+internet-test-url = http://wifi.vivo.com.cn/generate_204
+test-timeout = 5
+interface-mode = auto
+
+[Proxy]
+{{.Proxies}}
+
+[Proxy Group]
+🚀 Proxy = select,🌏 Auto,{{.Nodes}} 
+🌏 Auto = fallback,{{.Nodes}},interval = 600,max-timeout = 3000
+🍎 Apple = select,🚀 Proxy,🎯 Direct,{{.Nodes}}
+🔍 Google = select,🚀 Proxy,{{.Nodes}}
+🪟 Microsoft = select,🚀 Proxy,🎯 Direct,{{.Nodes}}
+📠 X = select,🚀 Proxy,{{.Nodes}}
+🤖 AI = select,🚀 Proxy,🎯 Direct,{{.Nodes}}
+📟 Telegram = select,🚀 Proxy,{{.Nodes}}
+📺 YouTube = select,🚀 Proxy,{{.Nodes}}
+🇨🇳 China = select,🎯 Direct,🚀 Proxy,{{.Nodes}}
+🐠 Final = select,🚀 Proxy,🎯 Direct,{{.Nodes}}
+🎯 Direct = select,DIRECT
+
+[Remote Rule]
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Apple/Apple.list, policy=🍎 Apple, tag=Apple, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Apple/Apple_Domain.list, policy=🍎 Apple, tag=Apple_Domain, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Google/Google.list, policy=🔍 Google, tag=Google, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Microsoft/Microsoft.list, policy=🪟 Microsoft, tag=Microsoft, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Twitter/Twitter.list, policy=📠 X, tag=X, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/OpenAI/OpenAI.list, policy=🤖 AI, tag=OpenAI, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Telegram/Telegram.list, policy=📟 Telegram, tag=Telegram, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/YouTube/YouTube.list, policy=📺 YouTube, tag=YouTube, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/YouTubeMusic/YouTubeMusic.list, policy=📺 YouTube, tag=YouTubeMusic, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Global/Global.list, policy=🚀 Proxy, tag=Global, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Global/Global_Domain.list, policy=🚀 Proxy, tag=Global_Domain, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/ChinaMax/ChinaMax.list, policy=🇨🇳 China, tag=ChinaMax, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/ChinaMax/ChinaMax_Domain.list, policy=🇨🇳 China, tag=ChinaMax_Domain, enabled=true
+https://raw.githubusercontent.com/blackmatrix7/ios_rule_script/master/rule/Loon/Lan/Lan.list, policy=🎯 Direct, tag=LAN, enabled=true
+
+[Rule]
+GEOIP,CN,🇨🇳 China
+FINAL,🐠 Final
+
+[Rewrite]
+# Redirect Google Service
+^https?:\/\/(www.)?g\.cn 302 https://www.google.com
+^https?:\/\/(www.)?google\.cn 302 https://www.google.com
+# Redirect Githubusercontent 
+^https://.*\.githubusercontent\.com\/ header-replace Accept-Language en-us

pkg/adapter/surfboard/build.go

@@ -67,7 +67,7 @@ func BuildSurfboard(servers proxy.Adapter, siteName string, user UserInfo) []byt
 	total := traffic.AutoConvert(user.TotalTraffic, false)
 	unusedTraffic := traffic.AutoConvert(user.TotalTraffic-user.Upload-user.Download, false)
 	// query Host
-	if err := tpl.Execute(&buf, map[string]interface{}{
+	if err = tpl.Execute(&buf, map[string]interface{}{
 		"Proxies":       proxies,
 		"ProxyGroup":    proxyGroup,
 		"SubscribeURL":  user.SubscribeURL,