Develop (#64)

* fix(database): correct name entry for SingBox in initialization script

* fix(purchase): update gift amount deduction logic and handle zero-amount order status

* feat: add type and default fields to rule group requests and update related logic

* feat(rule): implement logic to set a default rule group during creation and update

* fix(rule): add type and default fields to rule group model and update related logic

* feat(proxy): enhance proxy group handling and sorting logic

* refactor(proxy): replace hardcoded group names with constants for better maintainability

* fix(proxy): update group selection logic to skip empty and default names

* feat(proxy): enhance proxy and group handling with new configuration options

* feat(surge): add Surge adapter support and enhance subscription URL handling

* feat(traffic): implement traffic reset logic for subscription cycles

* feat(auth): improve email and mobile config unmarshalling with default values

* fix(auth) upbind email not update

* fix(order) discount set default 1

* fix(order) discount set default 1

* fix: refactor surfboard proxy handling and enhance configuration template

* fix(renewal) discount set default 1

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

* feat(subscription): update user subscription status based on expiration time

* fix(renewal): update subscription retrieval method to use token instead of order ID

* feat(order): enhance order processing logic with improved error handling and user subscription management

* fix(order): improve code quality and fix critical bugs in order processing logic

- Fix inconsistent logging calls across all order logic files
- Fix critical gift amount deduction logic bug in renewal process
- Fix variable shadowing errors in database transactions
- Add comprehensive Go-standard documentation comments
- Improve log prefix consistency for better debugging
- Remove redundant discount validation code

* fix(docker): add build argument for version in Docker image build process

* feat(version): add endpoint to retrieve application version information

* fix(auth): improve user authentication method logic and update user cache

* feat(user): add ordering functionality to user list retrieval

* fix(RevenueStatistics) fill list

* fix(UserStatistics) fill list

* fix(user): implement user cache clearing after auth method operations

* fix(auth): enhance OAuth login logic with improved request handling and user registration flow

* fix(user): implement sorting for authentication methods based on priority

* fix(user): correct ordering clause for user retrieval based on filter

* refactor(user): streamline cache management and enhance cache clearing logic

* feat(logs) set logs volume in develop

* fix(handler): implement browser interception to deny access for specific user agents

* fix(resetTraffic) reset daily server

* refactor(trojan): remove unused parameter and clean up logging in slice

* fix(middleware): add domain length check and improve user-agent handling

* fix(middleware): reorder domain processing and enhance user-agent handling

* fix(resetTraffic): update subscription reset logic to use expire_time for monthly and yearly checks

* fix(scheduler): update reset traffic task schedule to run daily at 00:30

* fix(traffic): enhance traffic reset logic for subscriptions and adjust status checks

* fix(activateOrder): update traffic reset logic to include reset day check

* feat(marketing): add batch email task management API and logic

* feat(application): implement CRUD operations for subscribe applications

* feat(types): add user agent limit and list to subscription configuration

* feat(application): update subscription application requests to include structured download links

* feat(application): add scheme field and download link handling to subscribe application

* feat(application): add endpoint to retrieve client information

* feat(application): move DownloadLink and SubscribeApplication types to types.api

* feat(application): add DownloadLink and SubscribeClient types, update client response structure

* feat(application): remove ProxyTemplate field from application API

* feat(application): implement adapter for client configuration and add preview template functionality

* feat(application): move DownloadLink type to types.api and remove from common.api

* feat(application): update PreviewSubscribeTemplate to return structured response

* feat(application): remove ProxyTemplate field from application API

* feat(application): enhance cache key generation for user list and server data

* feat(subscribe): add ClearCache method to manage subscription cache invalidation

* feat(payment): add Description field to PaymentMethodDetail response

* feat(subscribe): update next reset time calculation to use ExpireTime

* feat(purchase): include handling fee in total amount calculation

* feat(subscribe): add V2SubscribeHandler and logic for enhanced subscription management

* feat(subscribe): add output format configuration to subscription adapter

* feat(application): default data

---------

Co-authored-by: Chang lue Tsen <tension@ppanel.dev>
Co-authored-by: NoWay <Bob455668@hotmail.com>

internal/handler/subscribe.go

@@ -1,6 +1,9 @@
 package handler
 
 import (
+	"net/http"
+	"strings"
+
 	"github.com/gin-gonic/gin"
 	"github.com/perfect-panel/server/internal/logic/subscribe"
 	"github.com/perfect-panel/server/internal/svc"
@@ -17,6 +20,22 @@ func SubscribeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
 		}
 		req.UA = c.Request.Header.Get("User-Agent")
 		req.Flag = c.Query("flag")
+
+		// intercept browser
+		ua := c.GetHeader("User-Agent")
+		if ua == "" {
+			c.String(http.StatusForbidden, "Access denied")
+			return
+		}
+		browserKeywords := []string{"chrome", "firefox", "safari", "edge", "opera", "micromessenger"}
+		for _, keyword := range browserKeywords {
+			lcUA := strings.ToLower(ua)
+			if strings.Contains(lcUA, keyword) {
+				c.String(http.StatusForbidden, "Access denied")
+				return
+			}
+		}
+
 		l := subscribe.NewSubscribeLogic(c, svcCtx)
 		resp, err := l.Generate(&req)
 		if err != nil {
@@ -27,10 +46,48 @@ func SubscribeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
 	}
 }
 
+func V2SubscribeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.SubscribeRequest
+		if c.Request.Header.Get("token") != "" {
+			req.Token = c.Request.Header.Get("token")
+		} else {
+			req.Token = c.Query("token")
+		}
+		req.UA = c.Request.Header.Get("User-Agent")
+		req.Flag = c.Query("flag")
+
+		// intercept browser
+		ua := c.GetHeader("User-Agent")
+		if ua == "" {
+			c.String(http.StatusForbidden, "Access denied")
+			return
+		}
+		browserKeywords := []string{"chrome", "firefox", "safari", "edge", "opera", "micromessenger"}
+		for _, keyword := range browserKeywords {
+			lcUA := strings.ToLower(ua)
+			if strings.Contains(lcUA, keyword) {
+				c.String(http.StatusForbidden, "Access denied")
+				return
+			}
+		}
+
+		l := subscribe.NewSubscribeLogic(c, svcCtx)
+		resp, err := l.V2(&req)
+		if err != nil {
+			return
+		}
+		c.Header("subscription-userinfo", resp.Header)
+		c.String(200, "%s", string(resp.Config))
+	}
+}
+
 func RegisterSubscribeHandlers(router *gin.Engine, serverCtx *svc.ServiceContext) {
 	path := serverCtx.Config.Subscribe.SubscribePath
 	if path == "" {
 		path = "/api/subscribe"
 	}
 	router.GET(path, SubscribeHandler(serverCtx))
+
+	router.GET(path+"/v2", V2SubscribeHandler(serverCtx))
 }