server/internal/middleware/panDomainMiddleware.go

56 lines
1.3 KiB
Go

package middleware
import (
"net/http"
"strings"
"github.com/gin-gonic/gin"
"github.com/perfect-panel/server/internal/logic/subscribe"
"github.com/perfect-panel/server/internal/svc"
"github.com/perfect-panel/server/internal/types"
)
func PanDomainMiddleware(svc *svc.ServiceContext) func(c *gin.Context) {
return func(c *gin.Context) {
if svc.Config.Subscribe.PanDomain && c.Request.URL.Path == "/" {
// intercept browser
ua := c.GetHeader("User-Agent")
if ua == "" {
c.String(http.StatusForbidden, "Access denied")
c.Abort()
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")
c.Abort()
return
}
}
domain := c.Request.Host
domainArr := strings.Split(domain, ".")
domainFirst := domainArr[0]
request := types.SubscribeRequest{
Token: domainFirst,
Flag: domainArr[1],
UA: c.Request.Header.Get("User-Agent"),
}
l := subscribe.NewSubscribeLogic(c, svc)
resp, err := l.Handler(&request)
if err != nil {
return
}
c.Header("subscription-userinfo", resp.Header)
c.String(200, "%s", string(resp.Config))
c.Abort()
return
}
c.Next()
}
}