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forgejo/modules/context/context_cookie.go
Gusted fe3b294f7b
[GITEA] rework long-term authentication
- The current architecture is inherently insecure, because you can
construct the 'secret' cookie value with values that are available in
the database. Thus provides zero protection when a database is
dumped/leaked.
- This patch implements a new architecture that's inspired from: [Paragonie Initiative](https://paragonie.com/blog/2015/04/secure-authentication-php-with-long-term-persistence#secure-remember-me-cookies).
- Integration testing is added to ensure the new mechanism works.
- Removes a setting, because it's not used anymore.

(cherry picked from commit eff097448b)

[GITEA] rework long-term authentication (squash) add migration

Reminder: the migration is run via integration tests as explained
in the commit "[DB] run all Forgejo migrations in integration tests"

(cherry picked from commit 4accf7443c)
(cherry picked from commit 99d06e344ebc3b50bafb2ac4473dd95f057d1ddc)
(cherry picked from commit d8bc98a8f0)
(cherry picked from commit 6404845df9)
(cherry picked from commit 72bdd4f3b9)
(cherry picked from commit 4b01bb0ce8)
(cherry picked from commit c26ac31816)
(cherry picked from commit 8d2dab94a6)

Conflicts:
	routers/web/auth/auth.go
	https://codeberg.org/forgejo/forgejo/issues/2158
2024-01-16 14:14:46 +00:00

56 lines
1.7 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package context
import (
"net/http"
"strings"
auth_model "code.gitea.io/gitea/models/auth"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/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 here
func (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 here
func (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)))
if err != nil {
return err
}
ctx.SetSiteCookie(setting.CookieRememberName, lookup+":"+validator, days)
return nil
}