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* initial stuff for oauth2 login, fails on: * login button on the signIn page to start the OAuth2 flow and a callback for each provider Only GitHub is implemented for now * show login button only when the OAuth2 consumer is configured (and activated) * create macaron group for oauth2 urls * prevent net/http in modules (other then oauth2) * use a new data sessions oauth2 folder for storing the oauth2 session data * add missing 2FA when this is enabled on the user * add password option for OAuth2 user , for use with git over http and login to the GUI * add tip for registering a GitHub OAuth application * at startup of Gitea register all configured providers and also on adding/deleting of new providers * custom handling of errors in oauth2 request init + show better tip * add ExternalLoginUser model and migration script to add it to database * link a external account to an existing account (still need to handle wrong login and signup) and remove if user is removed * remove the linked external account from the user his settings * if user is unknown we allow him to register a new account or link it to some existing account * sign up with button on signin page (als change OAuth2Provider structure so we can store basic stuff about providers) * from gorilla/sessions docs: "Important Note: If you aren't using gorilla/mux, you need to wrap your handlers with context.ClearHandler as or else you will leak memory!" (we're using gorilla/sessions for storing oauth2 sessions) * use updated goth lib that now supports getting the OAuth2 user if the AccessToken is still valid instead of re-authenticating (prevent flooding the OAuth2 provider)
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2017 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. | ||
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| package models | ||
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| import "github.com/markbates/goth" | ||
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| // ExternalLoginUser makes the connecting between some existing user and additional external login sources | ||
| type ExternalLoginUser struct { | ||
| ExternalID string `xorm:"NOT NULL"` | ||
| UserID int64 `xorm:"NOT NULL"` | ||
| LoginSourceID int64 `xorm:"NOT NULL"` | ||
| } | ||
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| // GetExternalLogin checks if a externalID in loginSourceID scope already exists | ||
| func GetExternalLogin(externalLoginUser *ExternalLoginUser) (bool, error) { | ||
| return x.Get(externalLoginUser) | ||
| } | ||
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| // ListAccountLinks returns a map with the ExternalLoginUser and its LoginSource | ||
| func ListAccountLinks(user *User) ([]*ExternalLoginUser, error) { | ||
| externalAccounts := make([]*ExternalLoginUser, 0, 5) | ||
| err := x.Where("user_id=?", user.ID). | ||
| Desc("login_source_id"). | ||
| Find(&externalAccounts) | ||
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| if err != nil { | ||
| return nil, err | ||
| } | ||
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| return externalAccounts, nil | ||
| } | ||
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| // LinkAccountToUser link the gothUser to the user | ||
| func LinkAccountToUser(user *User, gothUser goth.User) error { | ||
| loginSource, err := GetActiveOAuth2LoginSourceByName(gothUser.Provider) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| externalLoginUser := &ExternalLoginUser{ | ||
| ExternalID: gothUser.UserID, | ||
| UserID: user.ID, | ||
| LoginSourceID: loginSource.ID, | ||
| } | ||
| has, err := x.Get(externalLoginUser) | ||
| if err != nil { | ||
| return err | ||
| } else if has { | ||
| return ErrExternalLoginUserAlreadyExist{gothUser.UserID, user.ID, loginSource.ID} | ||
| } | ||
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| _, err = x.Insert(externalLoginUser) | ||
| return err | ||
| } | ||
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| // RemoveAccountLink will remove all external login sources for the given user | ||
| func RemoveAccountLink(user *User, loginSourceID int64) (int64, error) { | ||
| deleted, err := x.Delete(&ExternalLoginUser{UserID: user.ID, LoginSourceID: loginSourceID}) | ||
| if err != nil { | ||
| return deleted, err | ||
| } | ||
| if deleted < 1 { | ||
| return deleted, ErrExternalLoginUserNotExist{user.ID, loginSourceID} | ||
| } | ||
| return deleted, err | ||
| } | ||
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| // RemoveAllAccountLinks will remove all external login sources for the given user | ||
| func RemoveAllAccountLinks(user *User) error { | ||
| _, err := x.Delete(&ExternalLoginUser{UserID: user.ID}) | ||
| return err | ||
| } |
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