Added Gitea oauth to the admin dashboard and finished the oauth handling

internal/server/router.go

@@ -23,9 +23,11 @@ func SetupRouter() *gin.Engine {
 	r.LoadHTMLGlob("internal/web/templates/home/*")
 
 	auth.InitJwtTokenGenerator() // Must be befor initializing admin handler, otherwise 'panic: runtime error: invalid memory address or nil pointer dereference'
+	auth.InitGiteaOauth2Token()
 	handlers.InitAdminDashboardHandler()
 	handlers.InitApiEndpointHandler()
 	handlers.InitEmbedCardHandler()
+	handlers.InitOauthLoginHandler()
 
 	// Main page
 	r.GET("/", func(c *gin.Context) {
@@ -44,6 +46,8 @@ func SetupRouter() *gin.Engine {
 	// 	c.HTML(http.StatusOK, "admin/index.html", nil)
 	// })
 	r.Use(static.Serve("/admin", static.LocalFile("internal/web/templates/admin", true)))
+	// I dont know a better way for path handling
+	r.Use(static.Serve("/admin/oauth/gitea/callback", static.LocalFile("internal/web/templates/admin", true)))
 
 	adminApi := admin.Group("/api")
 	adminApi.POST("/login", handlers.AdminDashboardHandlerInstance.Login)