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78 lines
1.8 KiB
78 lines
1.8 KiB
// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package oauth2
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import (
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"encoding/gob"
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"net/http"
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"sync"
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"code.gitea.io/gitea/models/login"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"github.com/google/uuid"
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"github.com/gorilla/sessions"
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"github.com/markbates/goth/gothic"
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)
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var gothRWMutex = sync.RWMutex{}
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// UsersStoreKey is the key for the store
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const UsersStoreKey = "gitea-oauth2-sessions"
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// ProviderHeaderKey is the HTTP header key
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const ProviderHeaderKey = "gitea-oauth2-provider"
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// Init initializes the oauth source
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func Init() error {
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if err := InitSigningKey(); err != nil {
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return err
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}
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// Lock our mutex
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gothRWMutex.Lock()
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gob.Register(&sessions.Session{})
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gothic.Store = &SessionsStore{
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maxLength: int64(setting.OAuth2.MaxTokenLength),
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}
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gothic.SetState = func(req *http.Request) string {
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return uuid.New().String()
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}
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gothic.GetProviderName = func(req *http.Request) (string, error) {
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return req.Header.Get(ProviderHeaderKey), nil
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}
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// Unlock our mutex
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gothRWMutex.Unlock()
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return initOAuth2LoginSources()
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}
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// ResetOAuth2 clears existing OAuth2 providers and loads them from DB
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func ResetOAuth2() error {
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ClearProviders()
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return initOAuth2LoginSources()
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}
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// initOAuth2LoginSources is used to load and register all active OAuth2 providers
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func initOAuth2LoginSources() error {
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loginSources, _ := login.GetActiveOAuth2ProviderLoginSources()
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for _, source := range loginSources {
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oauth2Source, ok := source.Cfg.(*Source)
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if !ok {
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continue
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}
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err := oauth2Source.RegisterSource()
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if err != nil {
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log.Critical("Unable to register source: %s due to Error: %v.", source.Name, err)
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}
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}
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return nil
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}
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