fix: empty iss return (#503)

Signed-off-by: Steve0x2a <stevesough@gmail.com>

controllers/account.go

@@ -18,9 +18,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"strconv"
-	"strings"
 
-	"github.com/astaxie/beego"
 	"github.com/casdoor/casdoor/object"
 	"github.com/casdoor/casdoor/util"
 )
@@ -69,18 +67,6 @@ type Response struct {
 	Data2  interface{} `json:"data2"`
 }
 
-type Userinfo struct {
-	Sub         string `json:"sub"`
-	Iss         string `json:"iss"`
-	Aud         string `json:"aud"`
-	Name        string `json:"name,omitempty"`
-	DisplayName string `json:"preferred_username,omitempty"`
-	Email       string `json:"email,omitempty"`
-	Avatar      string `json:"picture,omitempty"`
-	Address     string `json:"address,omitempty"`
-	Phone       string `json:"phone,omitempty"`
-}
-
 type HumanCheck struct {
 	Type         string      `json:"type"`
 	AppKey       string      `json:"appKey"`
@@ -254,38 +240,18 @@ func (c *ApiController) GetAccount() {
 // @Title UserInfo
 // @Tag Account API
 // @Description return user information according to OIDC standards
-// @Success 200 {object} controllers.Userinfo The Response object
+// @Success 200 {object} object.Userinfo The Response object
 // @router /userinfo [get]
 func (c *ApiController) GetUserinfo() {
 	userId, ok := c.RequireSignedIn()
 	if !ok {
 		return
 	}
-	user := object.GetUser(userId)
-	if user == nil {
-		c.ResponseError(fmt.Sprintf("The user: %s doesn't exist", userId))
-		return
-	}
 	scope, aud := c.GetSessionOidc()
-	iss := beego.AppConfig.String("origin")
-	resp := Userinfo{
-		Sub: user.Id,
-		Iss: iss,
-		Aud: aud,
-	}
-	if strings.Contains(scope, "profile") {
-		resp.Name = user.Name
-		resp.DisplayName = user.DisplayName
-		resp.Avatar = user.Avatar
-	}
-	if strings.Contains(scope, "email") {
-		resp.Email = user.Email
-	}
-	if strings.Contains(scope, "address") {
-		resp.Address = user.Location
-	}
-	if strings.Contains(scope, "phone") {
-		resp.Phone = user.Phone
+	host := c.Ctx.Request.Host
+	resp, err := object.GetUserInfo(userId, scope, aud, host)
+	if err != nil {
+		c.ResponseError(err.Error())
 	}
 	c.Data["json"] = resp
 	c.ServeJSON()