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gitea/services/auth/source/oauth2/init.go
zeripath 9d855bd6a1
Simplify Gothic to use our session store instead of creating a different store (#17507)
* Simplify Gothic to use our session store instead of creating a different store

We have been using xormstore to provide a separate session store for our OAuth2 logins
however, this relies on using gorilla context and some doubling of our session storing.
We can however, simplify and simply use our own chi-based session store. Thus removing
a cookie and some of the weirdness with missing contexts.

Signed-off-by: Andrew Thornton <art27@cantab.net>

* as per review

Signed-off-by: Andrew Thornton <art27@cantab.net>

* as per review

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Handle MaxTokenLength

Signed-off-by: Andrew Thornton <art27@cantab.net>

* oops

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-11-03 08:33:54 +08:00

79 lines
1.8 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 oauth2
import (
"encoding/gob"
"net/http"
"sync"
"code.gitea.io/gitea/models/login"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/google/uuid"
"github.com/gorilla/sessions"
"github.com/markbates/goth/gothic"
)
var gothRWMutex = sync.RWMutex{}
// 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
}
// Lock our mutex
gothRWMutex.Lock()
gob.Register(&sessions.Session{})
gothic.Store = &SessionsStore{
maxLength: int64(setting.OAuth2.MaxTokenLength),
}
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
}
// Unlock our mutex
gothRWMutex.Unlock()
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, _ := login.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.", source.Name, err)
}
}
return nil
}