From 46abdc91201551d67095b5250bc5852cde0ec313 Mon Sep 17 00:00:00 2001
From: Pierre-Olivier Mercier <nemunaire@nemunai.re>
Date: Tue, 2 Aug 2022 11:41:13 +0200
Subject: [PATCH] Interpret Groups field in authToken

---
 auth.go  | 13 ++++++++++---
 users.go |  2 +-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/auth.go b/auth.go
index d3143f0..5b1af67 100644
--- a/auth.go
+++ b/auth.go
@@ -3,7 +3,9 @@ package main
 import (
 	"encoding/base64"
 	"net/http"
+	"strings"
 	"time"
+	"unicode"
 
 	"github.com/gin-gonic/gin"
 )
@@ -26,7 +28,8 @@ func declareAPIAuthRoutes(router *gin.RouterGroup) {
 
 type authToken struct {
 	*User
-	CurrentPromo uint `json:"current_promo"`
+	CurrentPromo uint     `json:"current_promo"`
+	Groups       []string `json:"groups"`
 }
 
 func validateAuthToken(c *gin.Context) {
@@ -34,7 +37,11 @@ func validateAuthToken(c *gin.Context) {
 		c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"errmsg": "Not connected"})
 		return
 	} else {
-		c.JSON(http.StatusOK, authToken{u.(*User), currentPromo})
+		t := authToken{User: u.(*User), CurrentPromo: currentPromo}
+
+		t.Groups = strings.Split(strings.TrimFunc(t.User.Groups, func(r rune) bool { return !unicode.IsLetter(r) }), ",")
+
+		c.JSON(http.StatusOK, t)
 	}
 }
 
@@ -107,6 +114,6 @@ func dummyAuth(c *gin.Context) {
 		c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"errmsg": err.Error()})
 		return
 	} else {
-		c.JSON(http.StatusOK, authToken{usr, currentPromo})
+		c.JSON(http.StatusOK, authToken{User: usr, CurrentPromo: currentPromo})
 	}
 }
diff --git a/users.go b/users.go
index 6e778d7..c18f9d1 100644
--- a/users.go
+++ b/users.go
@@ -111,7 +111,7 @@ type User struct {
 	Lastname  string    `json:"lastname"`
 	Time      time.Time `json:"time"`
 	Promo     uint      `json:"promo"`
-	Groups    string    `json:"groups"`
+	Groups    string    `json:"groups,omitempty"`
 	IsAdmin   bool      `json:"is_admin"`
 }