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Fix #2470

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This commit is contained in:
Ilya Voronin 2024-08-11 17:15:27 +03:00
parent a6000f22a2
commit bb70e61fcd
1 changed files with 23 additions and 2 deletions
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25
sub/subController.go
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@ -3,6 +3,7 @@ package sub
import (
"encoding/base64"
"net"
"strings"
"github.com/gin-gonic/gin"
)
@ -54,7 +55,10 @@ func (a *SUBController) initRouter(g *gin.RouterGroup) {
func (a *SUBController) subs(c *gin.Context) {
subId := c.Param("subid")
host := c.GetHeader("X-Forwarded-Host")
var host string
if h, err := getHostFromXFH(c.GetHeader("X-Forwarded-Host")); err != nil {
host = h
}
if host == "" {
host = c.GetHeader("X-Real-IP")
}
@ -89,7 +93,10 @@ func (a *SUBController) subs(c *gin.Context) {
func (a *SUBController) subJsons(c *gin.Context) {
subId := c.Param("subid")
host := c.GetHeader("X-Forwarded-Host")
var host string
if h, err := getHostFromXFH(c.GetHeader("X-Forwarded-Host")); err != nil {
host = h
}
if host == "" {
host = c.GetHeader("X-Real-IP")
}
@ -113,3 +120,17 @@ func (a *SUBController) subJsons(c *gin.Context) {
c.String(200, jsonSub)
}
}
func getHostFromXFH(s string) (host string, err error) {
// X-Forwarded-Host can actually be a host:port pair, so we need to
// split it
if strings.Contains(host, ":") {
if realHost, _, err := net.SplitHostPort(host); err == nil {
return realHost, nil
} else {
return "", err
}
} else {
return s, nil
}
}