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phorge-phorge/src/applications/oauthserver/server/PhabricatorOAuthServer.php

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OAuth - Phabricator OAuth server and Phabricator client for new Phabricator OAuth Server Summary: adds a Phabricator OAuth server, which has three big commands: - auth - allows $user to authorize a given client or application. if $user has already authorized, it hands an authoization code back to $redirect_uri - token - given a valid authorization code, this command returns an authorization token - whoami - Conduit.whoami, all nice and purdy relative to the oauth server. Also has a "test" handler, which I used to create some test data. T850 will delete this as it adds the ability to create this data in the Phabricator product. This diff also adds the corresponding client in Phabricator for the Phabricator OAuth Server. (Note that clients are known as "providers" in the Phabricator codebase but client makes more sense relative to the server nomenclature) Also, related to make this work well - clean up the diagnostics page by variabilizing the provider-specific information and extending the provider classes as appropriate. - augment Conduit.whoami for more full-featured OAuth support, at least where the Phabricator client is concerned What's missing here... See T844, T848, T849, T850, and T852. Test Plan: - created a dummy client via the test handler. setup development.conf to have have proper variables for this dummy client. went through authorization and de-authorization flows - viewed the diagnostics page for all known oauth providers and saw provider-specific debugging information Reviewers: epriestley CC: aran, epriestley Maniphest Tasks: T44, T797 Differential Revision: https://secure.phabricator.com/D1595
2012-02-04 01:21:40 +01:00
<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Implements core OAuth 2.0 Server logic.
*
* This class should be used behind business logic that parses input to
* determine pertinent @{class:PhabricatorUser} $user,
* @{class:PhabricatorOAuthServerClient} $client(s),
* @{class:PhabricatorOAuthServerAuthorizationCode} $code(s), and.
* @{class:PhabricatorOAuthServerAccessToken} $token(s).
*
* For an OAuth 2.0 server, there are two main steps:
*
* 1) Authorization - the user authorizes a given client to access the data
* the OAuth 2.0 server protects. Once this is achieved / if it has
* been achived already, the OAuth server sends the client an authorization
* code.
* 2) Access Token - the client should send the authorization code received in
* step 1 along with its id and secret to the OAuth server to receive an
* access token. This access token can later be used to access Phabricator
* data on behalf of the user.
*
* @task auth Authorizing @{class:PhabricatorOAuthServerClient}s and
* generating @{class:PhabricatorOAuthServerAuthorizationCode}s
* @task token Validating @{class:PhabricatorOAuthServerAuthorizationCode}s
* and generating @{class:PhabricatorOAuthServerAccessToken}s
* @task internal Internals
*
* @group oauthserver
*/
final class PhabricatorOAuthServer {
const AUTHORIZATION_CODE_TIMEOUT = 300;
private $user;
/**
* @group internal
*/
private function getUser() {
return $this->user;
}
public function __construct(PhabricatorUser $user) {
if (!$user) {
throw new Exception('Must specify a Phabricator $user to constructor!');
}
$this->user = $user;
}
/**
* @task auth
*/
public function userHasAuthorizedClient(
PhabricatorOAuthServerClient $client) {
$authorization = id(new PhabricatorOAuthClientAuthorization())->
loadOneWhere('userPHID = %s AND clientPHID = %s',
$this->getUser()->getPHID(),
$client->getPHID());
if (empty($authorization)) {
return false;
}
return true;
}
/**
* @task auth
*/
public function authorizeClient(PhabricatorOAuthServerClient $client) {
$authorization = new PhabricatorOAuthClientAuthorization();
$authorization->setUserPHID($this->getUser()->getPHID());
$authorization->setClientPHID($client->getPHID());
$authorization->save();
}
/**
* @task auth
*/
public function generateAuthorizationCode(
PhabricatorOAuthServerClient $client) {
$code = Filesystem::readRandomCharacters(32);
$authorization_code = new PhabricatorOAuthServerAuthorizationCode();
$authorization_code->setCode($code);
$authorization_code->setClientPHID($client->getPHID());
$authorization_code->setClientSecret($client->getSecret());
$authorization_code->setUserPHID($this->getUser()->getPHID());
$authorization_code->save();
return $authorization_code;
}
/**
* @task token
*/
public function generateAccessToken(PhabricatorOAuthServerClient $client) {
$token = Filesystem::readRandomCharacters(32);
$access_token = new PhabricatorOAuthServerAccessToken();
$access_token->setToken($token);
$access_token->setUserPHID($this->getUser()->getPHID());
$access_token->setClientPHID($client->getPHID());
$access_token->setDateExpires(0);
$access_token->save();
return $access_token;
}
/**
* @task token
*/
public function validateAuthorizationCode(
PhabricatorOAuthServerAuthorizationCode $test_code,
PhabricatorOAuthServerAuthorizationCode $valid_code) {
// check that all the meta data matches
if ($test_code->getClientPHID() != $valid_code->getClientPHID()) {
return false;
}
if ($test_code->getClientSecret() != $valid_code->getClientSecret()) {
return false;
}
// check that the authorization code hasn't timed out
$created_time = $test_code->getDateCreated();
$must_be_used_by = $created_time + self::AUTHORIZATION_CODE_TIMEOUT;
return (time() < $must_be_used_by);
}
}