bench-forgejo/services/auth/source/oauth2/init.go

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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 15:46:34 +05:30
// 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 oauth2
import (
"net/http"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/google/uuid"
"github.com/markbates/goth/gothic"
)
// SessionTableName is the table name that OAuth2 will use to store things
const SessionTableName = "oauth2_session"
// UsersStoreKey is the key for the store
const UsersStoreKey = "gitea-oauth2-sessions"
// ProviderHeaderKey is the HTTP header key
const ProviderHeaderKey = "gitea-oauth2-provider"
// Init initializes the oauth source
func Init() error {
if err := InitSigningKey(); err != nil {
return err
}
store, err := models.CreateStore(SessionTableName, UsersStoreKey)
if err != nil {
return err
}
// according to the Goth lib:
// set the maxLength of the cookies stored on the disk to a larger number to prevent issues with:
// securecookie: the value is too long
// when using OpenID Connect , since this can contain a large amount of extra information in the id_token
// Note, when using the FilesystemStore only the session.ID is written to a browser cookie, so this is explicit for the storage on disk
store.MaxLength(setting.OAuth2.MaxTokenLength)
gothic.Store = store
gothic.SetState = func(req *http.Request) string {
return uuid.New().String()
}
gothic.GetProviderName = func(req *http.Request) (string, error) {
return req.Header.Get(ProviderHeaderKey), nil
}
return initOAuth2LoginSources()
}
// ResetOAuth2 clears existing OAuth2 providers and loads them from DB
func ResetOAuth2() error {
ClearProviders()
return initOAuth2LoginSources()
}
// initOAuth2LoginSources is used to load and register all active OAuth2 providers
func initOAuth2LoginSources() error {
loginSources, _ := models.GetActiveOAuth2ProviderLoginSources()
for _, source := range loginSources {
oauth2Source, ok := source.Cfg.(*Source)
if !ok {
continue
}
err := oauth2Source.RegisterSource()
if err != nil {
log.Critical("Unable to register source: %s due to Error: %v. This source will be disabled.", source.Name, err)
source.IsActive = false
if err = models.UpdateSource(source); err != nil {
log.Critical("Unable to update source %s to disable it. Error: %v", err)
return err
}
}
}
return nil
}