forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			127 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * StatusNet, the distributed open-source microblogging tool
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 *
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 * Action for getting OAuth token credentials (exchange an authorized
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 * request token for an access token)
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 *
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 * PHP version 5
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 *
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 * LICENCE: This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Affero General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Affero General Public License for more details.
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 *
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 * You should have received a copy of the GNU Affero General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 * @category  API
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 * @package   StatusNet
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 * @author    Zach Copley <zach@status.net>
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 * @copyright 2010 StatusNet, Inc.
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 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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 * @link      http://status.net/
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 */
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if (!defined('STATUSNET')) {
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    exit(1);
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}
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require_once INSTALLDIR . '/lib/apioauth.php';
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/**
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 * Action for getting OAuth token credentials (exchange an authorized
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 * request token for an access token)
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 *
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 * @category API
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 * @package  StatusNet
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 * @author   Zach Copley <zach@status.net>
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 * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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 * @link     http://status.net/
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 */
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class ApiOauthAccessTokenAction extends ApiOauthAction
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{
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    protected $reqToken = null;
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    protected $verifier = null;
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    /**
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     * Class handler.
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     *
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     * @param array $args array of arguments
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     *
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     * @return void
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     */
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    function handle($args)
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    {
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        parent::handle($args);
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        $datastore   = new ApiStatusNetOAuthDataStore();
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        $server      = new OAuthServer($datastore);
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        $hmac_method = new OAuthSignatureMethod_HMAC_SHA1();
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        $server->add_signature_method($hmac_method);
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        $atok = $app = null;
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        // XXX: Insist that oauth_token and oauth_verifier be populated?
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        // Spec doesn't say they MUST be.
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        try {
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            $req  = OAuthRequest::from_request();
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            $this->reqToken = $req->get_parameter('oauth_token');
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            $this->verifier = $req->get_parameter('oauth_verifier');
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            $app  = $datastore->getAppByRequestToken($this->reqToken);
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            $atok = $server->fetch_access_token($req);
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        } catch (Exception $e) {
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            common_log(LOG_WARNING, 'API OAuthException - ' . $e->getMessage());
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            common_debug(var_export($req, true));
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            $code = $e->getCode();
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            $this->clientError($e->getMessage(), empty($code) ? 401 : $code, 'text');
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        }
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        if (empty($atok)) {
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            // Token exchange failed -- log it
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            $msg = sprintf(
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                'API OAuth - Failure exchanging OAuth request token for access token, '
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                    . 'request token = %s, verifier = %s',
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                $this->reqToken,
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                $this->verifier
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            );
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            common_log(LOG_WARNING, $msg);
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            // TRANS: Client error given from the OAuth API when the request token or verifier is invalid.
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            $this->clientError(_("Invalid request token or verifier.", 400, 'text'));
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        } else {
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            common_log(
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                LOG_INFO,
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                sprintf(
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                    "Issued access token '%s' for application %d (%s).",
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                    $atok->key,
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                    $app->id,
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                    $app->name
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                )
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            );
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            $this->showAccessToken($atok);
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        }
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    }
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    /*
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     * Display OAuth token credentials
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     *
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     * @param OAuthToken token the access token
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     */
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    function showAccessToken($token)
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    {
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        header('Content-Type: application/x-www-form-urlencoded');
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        print $token;
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    }
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}
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