mirror of
https://github.com/go-gitea/gitea
synced 2024-11-09 11:44:27 +00:00
116 lines
3.4 KiB
Go
116 lines
3.4 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
|
|
// Copyright 2019 The Gitea 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 sso
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/models"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
|
|
"gitea.com/macaron/macaron"
|
|
"gitea.com/macaron/session"
|
|
gouuid "github.com/google/uuid"
|
|
)
|
|
|
|
// Ensure the struct implements the interface.
|
|
var (
|
|
_ SingleSignOn = &ReverseProxy{}
|
|
)
|
|
|
|
// ReverseProxy implements the SingleSignOn interface, but actually relies on
|
|
// a reverse proxy for authentication of users.
|
|
// On successful authentication the proxy is expected to populate the username in the
|
|
// "setting.ReverseProxyAuthUser" header. Optionally it can also populate the email of the
|
|
// user in the "setting.ReverseProxyAuthEmail" header.
|
|
type ReverseProxy struct {
|
|
}
|
|
|
|
// getUserName extracts the username from the "setting.ReverseProxyAuthUser" header
|
|
func (r *ReverseProxy) getUserName(ctx *macaron.Context) string {
|
|
webAuthUser := strings.TrimSpace(ctx.Req.Header.Get(setting.ReverseProxyAuthUser))
|
|
if len(webAuthUser) == 0 {
|
|
return ""
|
|
}
|
|
return webAuthUser
|
|
}
|
|
|
|
// Init does nothing as the ReverseProxy implementation does not need initialization
|
|
func (r *ReverseProxy) Init() error {
|
|
return nil
|
|
}
|
|
|
|
// Free does nothing as the ReverseProxy implementation does not have to release resources
|
|
func (r *ReverseProxy) Free() error {
|
|
return nil
|
|
}
|
|
|
|
// IsEnabled checks if EnableReverseProxyAuth setting is true
|
|
func (r *ReverseProxy) IsEnabled() bool {
|
|
return setting.Service.EnableReverseProxyAuth
|
|
}
|
|
|
|
// VerifyAuthData extracts the username from the "setting.ReverseProxyAuthUser" header
|
|
// of the request and returns the corresponding user object for that name.
|
|
// Verification of header data is not performed as it should have already been done by
|
|
// the revese proxy.
|
|
// If a username is available in the "setting.ReverseProxyAuthUser" header an existing
|
|
// user object is returned (populated with username or email found in header).
|
|
// Returns nil if header is empty.
|
|
func (r *ReverseProxy) VerifyAuthData(ctx *macaron.Context, sess session.Store) *models.User {
|
|
username := r.getUserName(ctx)
|
|
if len(username) == 0 {
|
|
return nil
|
|
}
|
|
|
|
user, err := models.GetUserByName(username)
|
|
if err != nil {
|
|
if models.IsErrUserNotExist(err) && r.isAutoRegisterAllowed() {
|
|
return r.newUser(ctx)
|
|
}
|
|
log.Error("GetUserByName: %v", err)
|
|
return nil
|
|
}
|
|
|
|
return user
|
|
}
|
|
|
|
// isAutoRegisterAllowed checks if EnableReverseProxyAutoRegister setting is true
|
|
func (r *ReverseProxy) isAutoRegisterAllowed() bool {
|
|
return setting.Service.EnableReverseProxyAutoRegister
|
|
}
|
|
|
|
// newUser creates a new user object for the purpose of automatic registration
|
|
// and populates its name and email with the information present in request headers.
|
|
func (r *ReverseProxy) newUser(ctx *macaron.Context) *models.User {
|
|
username := r.getUserName(ctx)
|
|
if len(username) == 0 {
|
|
return nil
|
|
}
|
|
|
|
email := gouuid.New().String() + "@localhost"
|
|
if setting.Service.EnableReverseProxyEmail {
|
|
webAuthEmail := ctx.Req.Header.Get(setting.ReverseProxyAuthEmail)
|
|
if len(webAuthEmail) > 0 {
|
|
email = webAuthEmail
|
|
}
|
|
}
|
|
|
|
user := &models.User{
|
|
Name: username,
|
|
Email: email,
|
|
Passwd: username,
|
|
IsActive: true,
|
|
}
|
|
if err := models.CreateUser(user); err != nil {
|
|
// FIXME: should I create a system notice?
|
|
log.Error("CreateUser: %v", err)
|
|
return nil
|
|
}
|
|
return user
|
|
}
|