feat: more subscription information fields (#3701)

* feat: more subscription information fields

* fix: incorrect translation

* feat: implement field for Happ custom routing rules

2 files changed, 76 insertions, 20 deletions

diff --git a/sub/sub.go b/sub/sub.go
index 0605c8b9..1dcd9601 100644
--- a/sub/sub.go
+++ b/sub/sub.go
@@ -153,6 +153,31 @@ func (s *Server) initRouter() (*gin.Engine, error) {
 		SubTitle = ""
 	}
 
+	SubSupportUrl, err := s.settingService.GetSubSupportUrl()
+	if err != nil {
+		SubSupportUrl = ""
+	}
+
+	SubProfileUrl, err := s.settingService.GetSubProfileUrl()
+	if err != nil {
+		SubProfileUrl = ""
+	}
+
+	SubAnnounce, err := s.settingService.GetSubAnnounce()
+	if err != nil {
+		SubAnnounce = ""
+	}
+
+	SubEnableRouting, err := s.settingService.GetSubEnableRouting()
+	if err != nil {
+		return nil, err
+	}
+
+	SubRoutingRules, err := s.settingService.GetSubRoutingRules()
+	if err != nil {
+		SubRoutingRules = ""
+	}
+
 	// set per-request localizer from headers/cookies
 	engine.Use(locale.LocalizerMiddleware())
 
@@ -231,7 +256,8 @@ func (s *Server) initRouter() (*gin.Engine, error) {
 
 	s.sub = NewSUBController(
 		g, LinksPath, JsonPath, subJsonEnable, Encrypt, ShowInfo, RemarkModel, SubUpdates,
-		SubJsonFragment, SubJsonNoises, SubJsonMux, SubJsonRules, SubTitle)
+		SubJsonFragment, SubJsonNoises, SubJsonMux, SubJsonRules, SubTitle, SubSupportUrl,
+		SubProfileUrl, SubAnnounce, SubEnableRouting, SubRoutingRules)
 
 	return engine, nil
 }
diff --git a/sub/subController.go b/sub/subController.go
index ec574d6e..7653a4e1 100644
--- a/sub/subController.go
+++ b/sub/subController.go
@@ -4,6 +4,7 @@ import (
 	"encoding/base64"
 	"fmt"
 	"strings"
+	"strconv"
 
 	"github.com/mhsanaei/3x-ui/v2/config"
 
@@ -12,12 +13,17 @@ import (
 
 // SUBController handles HTTP requests for subscription links and JSON configurations.
 type SUBController struct {
-	subTitle       string
-	subPath        string
-	subJsonPath    string
-	jsonEnabled    bool
-	subEncrypt     bool
-	updateInterval string
+	subTitle         string
+	subSupportUrl    string
+	subProfileUrl    string
+	subAnnounce      string
+	subEnableRouting bool
+	subRoutingRules  string
+	subPath          string
+	subJsonPath      string
+	jsonEnabled      bool
+	subEncrypt       bool
+	updateInterval   string
 
 	subService     *SubService
 	subJsonService *SubJsonService
@@ -38,18 +44,28 @@ func NewSUBController(
 	jsonMux string,
 	jsonRules string,
 	subTitle string,
+	subSupportUrl string,
+	subProfileUrl string,
+	subAnnounce string,
+	subEnableRouting bool,
+	subRoutingRules string,
 ) *SUBController {
 	sub := NewSubService(showInfo, rModel)
 	a := &SUBController{
-		subTitle:       subTitle,
-		subPath:        subPath,
-		subJsonPath:    jsonPath,
-		jsonEnabled:    jsonEnabled,
-		subEncrypt:     encrypt,
-		updateInterval: update,
-
-		subService:     sub,
-		subJsonService: NewSubJsonService(jsonFragment, jsonNoise, jsonMux, jsonRules, sub),
+		subTitle:         subTitle,
+		subSupportUrl:    subSupportUrl,
+		subProfileUrl:    subProfileUrl,
+		subAnnounce:      subAnnounce,
+		subEnableRouting: subEnableRouting,
+		subRoutingRules:  subRoutingRules,
+		subPath:          subPath,
+		subJsonPath:      jsonPath,
+		jsonEnabled:      jsonEnabled,
+		subEncrypt:       encrypt,
+		updateInterval:   update,
+
+		subService:       sub,
+		subJsonService:   NewSubJsonService(jsonFragment, jsonNoise, jsonMux, jsonRules, sub),
 	}
 	a.initRouter(g)
 	return a
@@ -127,7 +143,7 @@ func (a *SUBController) subs(c *gin.Context) {
 
 		// Add headers
 		header := fmt.Sprintf("upload=%d; download=%d; total=%d; expire=%d", traffic.Up, traffic.Down, traffic.Total, traffic.ExpiryTime/1000)
-		a.ApplyCommonHeaders(c, header, a.updateInterval, a.subTitle)
+		a.ApplyCommonHeaders(c, header, a.updateInterval, a.subTitle, a.subSupportUrl, a.subProfileUrl, a.subAnnounce, a.subEnableRouting, a.subRoutingRules)
 
 		if a.subEncrypt {
 			c.String(200, base64.StdEncoding.EncodeToString([]byte(result)))
@@ -145,17 +161,31 @@ func (a *SUBController) subJsons(c *gin.Context) {
 	if err != nil || len(jsonSub) == 0 {
 		c.String(400, "Error!")
 	} else {
-
 		// Add headers
-		a.ApplyCommonHeaders(c, header, a.updateInterval, a.subTitle)
+		a.ApplyCommonHeaders(c, header, a.updateInterval, a.subTitle, a.subSupportUrl, a.subProfileUrl, a.subAnnounce, a.subEnableRouting, a.subRoutingRules)
 
 		c.String(200, jsonSub)
 	}
 }
 
 // ApplyCommonHeaders sets common HTTP headers for subscription responses including user info, update interval, and profile title.
-func (a *SUBController) ApplyCommonHeaders(c *gin.Context, header, updateInterval, profileTitle string) {
+func (a *SUBController) ApplyCommonHeaders(
+	c *gin.Context, 
+	header, 
+	updateInterval, 
+	profileTitle string, 
+	profileSupportUrl string,
+	profileUrl string, 
+	profileAnnounce string, 
+	profileEnableRouting bool,
+	profileRoutingRules string,
+) {
 	c.Writer.Header().Set("Subscription-Userinfo", header)
 	c.Writer.Header().Set("Profile-Update-Interval", updateInterval)
 	c.Writer.Header().Set("Profile-Title", "base64:"+base64.StdEncoding.EncodeToString([]byte(profileTitle)))
+	c.Writer.Header().Set("Support-Url", profileSupportUrl)
+	c.Writer.Header().Set("Profile-Web-Page-Url", profileUrl)
+	c.Writer.Header().Set("Announce", "base64:"+base64.StdEncoding.EncodeToString([]byte(profileAnnounce)))
+	c.Writer.Header().Set("Routing-Enable", strconv.FormatBool(profileEnableRouting))
+	c.Writer.Header().Set("Routing", profileRoutingRules)
 }