🐛 fix 123pan 403

server/controllers/down.go

@@ -30,7 +30,7 @@ func Down(c *gin.Context) {
 		Proxy(c)
 		return
 	}
-	link, err := driver.Link(base.Args{Path: path}, account)
+	link, err := driver.Link(base.Args{Path: path, IP: c.ClientIP()}, account)
 	if err != nil {
 		common.ErrorResp(c, err, 500)
 		return
@@ -71,6 +71,7 @@ func Proxy(c *gin.Context) {
 		c.Redirect(302, link)
 		return
 	}
+	// 对于中转，不需要重设IP
 	link, err := driver.Link(base.Args{Path: path}, account)
 	if err != nil {
 		common.ErrorResp(c, err, 500)

server/controllers/path.go

@@ -46,6 +46,13 @@ func Path(c *gin.Context) {
 			} else {
 				file.Url = fmt.Sprintf("//%s/d%s", c.Request.Host, req.Path)
 			}
+		} else if driver.Config().NeedSetLink {
+			link, err := driver.Link(base.Args{Path: path, IP: c.ClientIP()}, account)
+			if err != nil {
+				common.ErrorResp(c, err, 500)
+				return
+			}
+			file.Url = link.Url
 		}
 		c.JSON(200, common.Resp{
 			Code:    200,
@@ -94,7 +101,7 @@ func Link(c *gin.Context) {
 		})
 		return
 	}
-	link, err := driver.Link(base.Args{Path: path}, account)
+	link, err := driver.Link(base.Args{Path: path, IP: c.ClientIP()}, account)
 	if err != nil {
 		common.ErrorResp(c, err, 500)
 		return

server/webdav/file.go

@@ -12,6 +12,7 @@ import (
 	"github.com/Xhofe/alist/model"
 	"github.com/Xhofe/alist/utils"
 	log "github.com/sirupsen/logrus"
+	"net"
 	"net/http"
 	"path"
 	"path/filepath"
@@ -101,6 +102,25 @@ func (fs *FileSystem) Files(rawPath string) ([]model.File, error) {
 //	}
 //}
 
+func ClientIP(r *http.Request) string {
+	xForwardedFor := r.Header.Get("X-Forwarded-For")
+	ip := strings.TrimSpace(strings.Split(xForwardedFor, ",")[0])
+	if ip != "" {
+		return ip
+	}
+
+	ip = strings.TrimSpace(r.Header.Get("X-Real-Ip"))
+	if ip != "" {
+		return ip
+	}
+
+	if ip, _, err := net.SplitHostPort(strings.TrimSpace(r.RemoteAddr)); err == nil {
+		return ip
+	}
+
+	return ""
+}
+
 func (fs *FileSystem) Link(r *http.Request, rawPath string) (string, error) {
 	rawPath = utils.ParsePath(rawPath)
 	log.Debugf("get link path: %s", rawPath)
@@ -123,7 +143,7 @@ func (fs *FileSystem) Link(r *http.Request, rawPath string) (string, error) {
 			link += "?sign" + sign
 		}
 	} else {
-		link_, err := driver.Link(base.Args{Path: path_}, account)
+		link_, err := driver.Link(base.Args{Path: path_, IP: ClientIP(r)}, account)
 		if err != nil {
 			return "", err
 		}