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gitea/services/auth/source/pam/source_authenticate.go
zeripath 5d2e11eedb
Refactor: Move login out of models (#16199)
`models` does far too much. In particular it handles all `UserSignin`.

It shouldn't be responsible for calling LDAP, SMTP or PAM for signing in.

Therefore we should move this code out of `models`.

This code has to depend on `models` - therefore it belongs in `services`.

There is a package in `services` called `auth` and clearly this functionality belongs in there.

Plan:

- [x] Change `auth.Auth` to `auth.Method` - as they represent methods of authentication.
- [x] Move `models.UserSignIn` into `auth`
- [x] Move `models.ExternalUserLogin`
- [x] Move most of the `LoginVia*` methods to `auth` or subpackages
- [x] Move Resynchronize functionality to `auth`
  - Involved some restructuring of `models/ssh_key.go` to reduce the size of this massive file and simplify its files.
- [x] Move the rest of the LDAP functionality in to the ldap subpackage
- [x] Re-factor the login sources to express an interfaces `auth.Source`?
  - I've done this through some smaller interfaces Authenticator and Synchronizable - which would allow us to extend things in future
- [x] Now LDAP is out of models - need to think about modules/auth/ldap and I think all of that functionality might just be moveable
- [x] Similarly a lot Oauth2 functionality need not be in models too and should be moved to services/auth/source/oauth2
  - [x] modules/auth/oauth2/oauth2.go uses xorm... This is naughty - probably need to move this into models.
  - [x] models/oauth2.go - mostly should be in modules/auth/oauth2 or services/auth/source/oauth2 
- [x] More simplifications of login_source.go may need to be done
- Allow wiring in of notify registration -  *this can now easily be done - but I think we should do it in another PR*  - see #16178 
- More refactors...?
  - OpenID should probably become an auth Method but I think that can be left for another PR
  - Methods should also probably be cleaned up  - again another PR I think.
  - SSPI still needs more refactors.* Rename auth.Auth auth.Method
* Restructure ssh_key.go

- move functions from models/user.go that relate to ssh_key to ssh_key
- split ssh_key.go to try create clearer function domains for allow for
future refactors here.

Signed-off-by: Andrew Thornton <art27@cantab.net>
2021-07-24 11:16:34 +01:00

63 lines
1.6 KiB
Go

// Copyright 2021 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 pam
import (
"fmt"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth/pam"
"code.gitea.io/gitea/modules/setting"
"github.com/google/uuid"
)
// Authenticate queries if login/password is valid against the PAM,
// and create a local user if success when enabled.
func (source *Source) Authenticate(user *models.User, login, password string) (*models.User, error) {
pamLogin, err := pam.Auth(source.ServiceName, login, password)
if err != nil {
if strings.Contains(err.Error(), "Authentication failure") {
return nil, models.ErrUserNotExist{Name: login}
}
return nil, err
}
if user != nil {
return user, nil
}
// Allow PAM sources with `@` in their name, like from Active Directory
username := pamLogin
email := pamLogin
idx := strings.Index(pamLogin, "@")
if idx > -1 {
username = pamLogin[:idx]
}
if models.ValidateEmail(email) != nil {
if source.EmailDomain != "" {
email = fmt.Sprintf("%s@%s", username, source.EmailDomain)
} else {
email = fmt.Sprintf("%s@%s", username, setting.Service.NoReplyAddress)
}
if models.ValidateEmail(email) != nil {
email = uuid.New().String() + "@localhost"
}
}
user = &models.User{
LowerName: strings.ToLower(username),
Name: username,
Email: email,
Passwd: password,
LoginType: models.LoginPAM,
LoginSource: source.loginSource.ID,
LoginName: login, // This is what the user typed in
IsActive: true,
}
return user, models.CreateUser(user)
}