forgejo/modules/middleware/auth.go

136 lines
3.3 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package middleware
import (
"fmt"
"net/url"
"github.com/Unknwon/macaron"
"github.com/macaron-contrib/csrf"
"github.com/gogits/gogs/models"
"github.com/gogits/gogs/modules/auth"
"github.com/gogits/gogs/modules/base"
"github.com/gogits/gogs/modules/log"
"github.com/gogits/gogs/modules/setting"
)
type ToggleOptions struct {
SignInRequire bool
SignOutRequire bool
AdminRequire bool
DisableCsrf bool
}
// AutoSignIn reads cookie and try to auto-login.
func AutoSignIn(ctx *Context) (bool, error) {
uname := ctx.GetCookie(setting.CookieUserName)
if len(uname) == 0 {
return false, nil
}
isSucceed := false
defer func() {
if !isSucceed {
log.Trace("auto-login cookie cleared: %s", uname)
ctx.SetCookie(setting.CookieUserName, "", -1, setting.AppSubUrl)
ctx.SetCookie(setting.CookieRememberName, "", -1, setting.AppSubUrl)
}
}()
u, err := models.GetUserByName(uname)
if err != nil {
if !models.IsErrUserNotExist(err) {
return false, fmt.Errorf("GetUserByName: %v", err)
}
return false, nil
}
if val, _ := ctx.GetSuperSecureCookie(
base.EncodeMd5(u.Rands+u.Passwd), setting.CookieRememberName); val != u.Name {
return false, nil
}
isSucceed = true
ctx.Session.Set("uid", u.Id)
ctx.Session.Set("uname", u.Name)
return true, nil
}
func Toggle(options *ToggleOptions) macaron.Handler {
return func(ctx *Context) {
// Cannot view any page before installation.
if !setting.InstallLock {
ctx.Redirect(setting.AppSubUrl + "/install")
return
}
// Checking non-logged users landing page.
if !ctx.IsSigned && ctx.Req.RequestURI == "/" && setting.LandingPageUrl != setting.LANDING_PAGE_HOME {
ctx.Redirect(setting.AppSubUrl + string(setting.LandingPageUrl))
return
}
// Redirect to dashboard if user tries to visit any non-login page.
if options.SignOutRequire && ctx.IsSigned && ctx.Req.RequestURI != "/" {
ctx.Redirect(setting.AppSubUrl + "/")
return
}
if !options.SignOutRequire && !options.DisableCsrf && ctx.Req.Method == "POST" {
csrf.Validate(ctx.Context, ctx.csrf)
if ctx.Written() {
return
}
}
if options.SignInRequire {
if !ctx.IsSigned {
// Restrict API calls with error message.
if auth.IsAPIPath(ctx.Req.URL.Path) {
ctx.HandleAPI(403, "Only signed in user is allowed to call APIs.")
return
}
ctx.SetCookie("redirect_to", url.QueryEscape(setting.AppSubUrl+ctx.Req.RequestURI), 0, setting.AppSubUrl)
ctx.Redirect(setting.AppSubUrl + "/user/login")
return
} else if !ctx.User.IsActive && setting.Service.RegisterEmailConfirm {
ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
ctx.HTML(200, "user/auth/activate")
return
}
}
if options.AdminRequire {
if !ctx.User.IsAdmin {
ctx.Error(403)
return
}
ctx.Data["PageIsAdmin"] = true
}
}
}
// Contexter middleware already checks token for user sign in process.
func ApiReqToken() macaron.Handler {
return func(ctx *Context) {
if !ctx.IsSigned {
ctx.Error(403)
return
}
}
}
func ApiReqBasicAuth() macaron.Handler {
return func(ctx *Context) {
if !ctx.IsBasicAuth {
ctx.Error(403)
return
}
}
}