// Copyright 2023 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package context import (	"net/http"	"strings" 	auth_model "forgejo.org/models/auth"	user_model "forgejo.org/models/user"	"forgejo.org/modules/setting"	"forgejo.org/modules/timeutil"	"forgejo.org/modules/web/middleware") const CookieNameFlash = "gitea_flash" func removeSessionCookieHeader(w http.ResponseWriter) {	cookies := w.Header()["Set-Cookie"]	w.Header().Del("Set-Cookie")	for _, cookie := range cookies {		if strings.HasPrefix(cookie, setting.SessionConfig.CookieName+"=") {			continue		}		w.Header().Add("Set-Cookie", cookie)	}} // SetSiteCookie convenience function to set most cookies consistently// CSRF and a few others are the exception herefunc (ctx *Context) SetSiteCookie(name, value string, maxAge int) {	middleware.SetSiteCookie(ctx.Resp, name, value, maxAge)} // DeleteSiteCookie convenience function to delete most cookies consistently// CSRF and a few others are the exception herefunc (ctx *Context) DeleteSiteCookie(name string) {	middleware.SetSiteCookie(ctx.Resp, name, "", -1)} // GetSiteCookie returns given cookie value from request header.func (ctx *Context) GetSiteCookie(name string) string {	return middleware.GetSiteCookie(ctx.Req, name)} // SetLTACookie will generate a LTA token and add it as an cookie.func (ctx *Context) SetLTACookie(u *user_model.User) error {	days := 86400 * setting.LogInRememberDays	lookup, validator, err := auth_model.GenerateAuthToken(ctx, u.ID, timeutil.TimeStampNow().Add(int64(days)), auth_model.LongTermAuthorization)	if err != nil {		return err	}	ctx.SetSiteCookie(setting.CookieRememberName, lookup+":"+validator, days)	return nil}