2008-07-12 09:12:47 +01:00
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<?php
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2009-09-13 10:55:45 +01:00
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/**
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2009-08-25 23:14:12 +01:00
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* StatusNet - the distributed open-source microblogging tool
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2009-08-25 23:12:20 +01:00
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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2008-07-12 09:12:47 +01:00
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*
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* 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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2008-12-23 19:19:07 +00:00
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2008-07-12 09:12:47 +01:00
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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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2008-12-23 19:19:07 +00:00
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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2009-09-13 10:55:45 +01:00
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*
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* @category Actions
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* @package Actions
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2009-09-16 03:28:59 +01:00
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* @author Evan Prodromou <evan@status.net>
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* @author Evan Prodromou <evan@status.net>
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2009-09-13 10:55:45 +01:00
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* @author Brenda Wallace <shiny@cpan.org>
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* @author Jeffery To <jeffery.to@gmail.com>
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* @author Robin Millette <millette@controlyourself.ca>
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* @author Tom Adams <tom@holizz.com>
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* @author Christopher Vollick <psycotica0@gmail.com>
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* @author CiaranG <ciaran@ciarang.com>
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* @author Craig Andrews <candrews@integralblue.com>
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2009-09-16 03:28:59 +01:00
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* @author Evan Prodromou <evan@status.net>
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2009-09-13 10:55:45 +01:00
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* @author Evan Prodromou <evan@status.net>
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* @author Gina Haeussge <osd@foosel.net>
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* @author Mike Cochrane <mikec@mikenz.geek.nz>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @license GNU Affero General Public License http://www.gnu.org/licenses/
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* @link http://status.net
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2008-07-12 09:12:47 +01:00
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*/
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2009-09-13 10:55:45 +01:00
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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2008-07-12 09:12:47 +01:00
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2008-12-23 19:49:23 +00:00
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class ApiAction extends Action
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{
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2008-07-12 09:12:47 +01:00
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2008-12-23 19:19:07 +00:00
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var $user;
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var $content_type;
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var $api_arg;
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var $api_method;
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var $api_action;
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2009-09-03 18:32:27 +01:00
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var $auth_user;
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var $auth_pw;
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2008-12-23 19:19:07 +00:00
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2008-12-23 19:33:23 +00:00
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function handle($args)
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{
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2008-12-23 19:19:07 +00:00
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parent::handle($args);
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$this->api_action = $this->arg('apiaction');
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$method = $this->arg('method');
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$argument = $this->arg('argument');
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2009-09-13 10:55:45 +01:00
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$this->basic_auth_process_header();
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2008-12-23 19:19:07 +00:00
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if (isset($argument)) {
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$cmdext = explode('.', $argument);
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$this->api_arg = $cmdext[0];
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$this->api_method = $method;
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$this->content_type = strtolower($cmdext[1]);
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} else {
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2009-09-13 10:55:45 +01:00
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//Requested format / content-type will be an extension on the method
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2008-12-23 19:19:07 +00:00
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$cmdext = explode('.', $method);
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$this->api_method = $cmdext[0];
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$this->content_type = strtolower($cmdext[1]);
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}
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if ($this->requires_auth()) {
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2009-09-03 18:32:27 +01:00
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if (!isset($this->auth_user)) {
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2008-12-23 19:19:07 +00:00
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2009-09-13 10:55:45 +01:00
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//This header makes basic auth go
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2009-08-25 23:12:20 +01:00
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header('WWW-Authenticate: Basic realm="StatusNet API"');
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2008-12-23 19:19:07 +00:00
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2009-09-13 10:55:45 +01:00
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//If the user hits cancel -- bam!
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2008-12-23 19:19:07 +00:00
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$this->show_basic_auth_error();
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} else {
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2009-09-03 18:32:27 +01:00
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$nickname = $this->auth_user;
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$password = $this->auth_pw;
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2008-12-23 19:19:07 +00:00
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$user = common_check_user($nickname, $password);
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if ($user) {
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$this->user = $user;
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$this->process_command();
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} else {
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2009-09-13 10:55:45 +01:00
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//basic authentication failed
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2009-06-27 15:37:58 +01:00
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list($proxy, $ip) = common_client_ip();
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common_log(LOG_WARNING, "Failed API auth attempt, nickname = $nickname, proxy = $proxy, ip = $ip.");
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2008-12-23 19:19:07 +00:00
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$this->show_basic_auth_error();
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}
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}
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} else {
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2009-07-06 21:21:16 +01:00
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// Caller might give us a username even if not required
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2009-09-03 18:32:27 +01:00
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if (isset($this->auth_user)) {
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$user = User::staticGet('nickname', $this->auth_user);
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2009-07-06 21:21:16 +01:00
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if ($user) {
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$this->user = $user;
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}
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2009-09-13 10:55:45 +01:00
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//Twitter doesn't throw an error if the user isn't found
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2009-07-06 21:21:16 +01:00
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}
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2008-12-23 19:19:07 +00:00
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$this->process_command();
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}
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}
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2008-12-23 19:33:23 +00:00
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function process_command()
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{
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2008-12-23 19:19:07 +00:00
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$action = "twitapi$this->api_action";
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$actionfile = INSTALLDIR."/actions/$action.php";
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if (file_exists($actionfile)) {
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2009-09-13 10:55:45 +01:00
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include_once $actionfile;
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2008-12-23 19:19:07 +00:00
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$action_class = ucfirst($action)."Action";
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$action_obj = new $action_class();
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2008-07-12 09:12:47 +01:00
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2008-12-03 21:03:58 +00:00
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if (!$action_obj->prepare($this->args)) {
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return;
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}
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2008-12-23 19:19:07 +00:00
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if (method_exists($action_obj, $this->api_method)) {
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$apidata = array( 'content-type' => $this->content_type,
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'api_method' => $this->api_method,
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'api_arg' => $this->api_arg,
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'user' => $this->user);
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call_user_func(array($action_obj, $this->api_method), $_REQUEST, $apidata);
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} else {
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2009-09-13 10:55:45 +01:00
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$this->clientError("API method not found!", $code = 404);
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2008-12-23 19:19:07 +00:00
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}
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} else {
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2009-09-13 10:55:45 +01:00
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$this->clientError("API method not found!", $code = 404);
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2008-12-23 19:19:07 +00:00
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}
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}
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2009-07-06 21:21:16 +01:00
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// Whitelist of API methods that don't need authentication
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2008-12-23 19:33:23 +00:00
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function requires_auth()
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{
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2008-12-23 19:19:07 +00:00
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static $noauth = array( 'statuses/public_timeline',
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'statuses/show',
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'users/show',
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'help/test',
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2008-12-30 20:37:47 +00:00
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'help/downtime_schedule',
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2009-08-25 23:53:24 +01:00
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'statusnet/version',
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'statusnet/config',
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'statusnet/wadl',
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2009-07-12 20:07:54 +01:00
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'tags/timeline',
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2009-07-17 17:33:12 +01:00
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'oembed/oembed',
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2009-07-31 03:15:24 +01:00
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'groups/show',
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2009-08-07 23:00:04 +01:00
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'groups/timeline',
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'groups/list_all',
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2009-08-28 03:55:32 +01:00
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'groups/membership',
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'groups/is_member',
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2009-07-11 02:15:18 +01:00
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'groups/timeline');
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2008-12-23 19:19:07 +00:00
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static $bareauth = array('statuses/user_timeline',
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2009-03-07 12:52:52 +00:00
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'statuses/friends_timeline',
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2008-12-23 19:19:07 +00:00
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'statuses/friends',
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2009-03-07 12:52:52 +00:00
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'statuses/replies',
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2009-04-29 21:16:52 +01:00
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'statuses/mentions',
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2008-12-23 19:19:07 +00:00
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'statuses/followers',
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2009-07-06 21:21:16 +01:00
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'favorites/favorites',
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2009-08-07 23:00:04 +01:00
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'friendships/show',
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'groups/list_groups');
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2008-07-19 16:55:26 +01:00
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2009-02-18 23:33:52 +00:00
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$fullname = "$this->api_action/$this->api_method";
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2009-04-13 20:49:26 +01:00
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2009-08-25 23:53:24 +01:00
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// If the site is "private", all API methods except statusnet/config
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2009-02-18 23:33:52 +00:00
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// need authentication
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2009-07-06 21:21:16 +01:00
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2008-12-03 18:34:32 +00:00
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if (common_config('site', 'private')) {
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2009-08-25 23:53:24 +01:00
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return $fullname != 'statusnet/config' || false;
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2008-12-03 18:34:32 +00:00
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}
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2009-07-06 21:21:16 +01:00
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// bareauth: only needs auth if without an argument or query param specifying user
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2008-12-23 19:19:07 +00:00
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if (in_array($fullname, $bareauth)) {
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2009-07-06 21:21:16 +01:00
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// Special case: friendships/show only needs auth if source_id or
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// source_screen_name is not specified as a param
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if ($fullname == 'friendships/show') {
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$source_id = $this->arg('source_id');
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$source_screen_name = $this->arg('source_screen_name');
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if (empty($source_id) && empty($source_screen_name)) {
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return true;
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}
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2008-12-23 19:19:07 +00:00
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return false;
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2009-07-06 21:21:16 +01:00
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}
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// if all of these are empty, auth is required
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$id = $this->arg('id');
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$user_id = $this->arg('user_id');
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$screen_name = $this->arg('screen_name');
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2009-09-13 10:55:45 +01:00
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if (empty($this->api_arg)
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&& empty($id)
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&& empty($user_id)
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&& empty($screen_name)
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) {
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2008-12-23 19:19:07 +00:00
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return true;
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2009-07-06 21:21:16 +01:00
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} else {
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return false;
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2008-12-23 19:19:07 +00:00
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}
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2009-07-06 21:21:16 +01:00
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2008-12-23 19:19:07 +00:00
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} else if (in_array($fullname, $noauth)) {
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2009-07-06 21:21:16 +01:00
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// noauth: never needs auth
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2008-12-23 19:19:07 +00:00
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return false;
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} else {
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2009-07-06 21:21:16 +01:00
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// everybody else needs auth
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2008-12-23 19:19:07 +00:00
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return true;
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}
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}
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2009-09-03 18:32:27 +01:00
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function basic_auth_process_header()
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{
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2009-09-13 10:55:45 +01:00
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if (isset($_SERVER['AUTHORIZATION']) || isset($_SERVER['HTTP_AUTHORIZATION'])) {
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$authorization_header = isset($_SERVER['HTTP_AUTHORIZATION'])? $_SERVER['HTTP_AUTHORIZATION'] : $_SERVER['AUTHORIZATION'];
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}
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if (isset($_SERVER['PHP_AUTH_USER'])) {
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$this->auth_user = $_SERVER['PHP_AUTH_USER'];
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$this->auth_pw = $_SERVER['PHP_AUTH_PW'];
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} elseif (isset($authorization_header) && strstr(substr($authorization_header, 0, 5), 'Basic')) {
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// decode the HTTP_AUTHORIZATION header on php-cgi server self
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// on fcgid server the header name is AUTHORIZATION
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$auth_hash = base64_decode(substr($authorization_header, 6));
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list($this->auth_user, $this->auth_pw) = explode(':', $auth_hash);
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// set all to null on a empty basic auth request
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if ($this->auth_user == "") {
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$this->auth_user = null;
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$this->auth_pw = null;
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}
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} else {
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$this->auth_user = null;
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$this->auth_pw = null;
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}
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2009-09-03 18:32:27 +01:00
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}
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2008-12-23 19:33:23 +00:00
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function show_basic_auth_error()
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{
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2008-12-23 19:19:07 +00:00
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header('HTTP/1.1 401 Unauthorized');
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$msg = 'Could not authenticate you.';
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if ($this->content_type == 'xml') {
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header('Content-Type: application/xml; charset=utf-8');
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2009-01-23 09:19:19 +00:00
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$this->startXML();
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2009-01-15 22:57:15 +00:00
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$this->elementStart('hash');
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$this->element('error', null, $msg);
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$this->element('request', null, $_SERVER['REQUEST_URI']);
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$this->elementEnd('hash');
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2009-01-23 09:19:19 +00:00
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$this->endXML();
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2009-09-13 10:55:45 +01:00
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} else if ($this->content_type == 'json') {
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2008-12-23 19:19:07 +00:00
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header('Content-Type: application/json; charset=utf-8');
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$error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']);
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print(json_encode($error_array));
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} else {
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header('Content-type: text/plain');
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print "$msg\n";
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}
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}
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2009-04-13 20:52:15 +01:00
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function isReadOnly($args)
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2008-12-23 19:33:23 +00:00
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{
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2009-04-13 20:49:26 +01:00
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$apiaction = $args['apiaction'];
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$method = $args['method'];
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2008-12-23 19:19:07 +00:00
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list($cmdtext, $fmt) = explode('.', $method);
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static $write_methods = array(
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'account' => array('update_location', 'update_delivery_device', 'end_session'),
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'blocks' => array('create', 'destroy'),
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'direct_messages' => array('create', 'destroy'),
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'favorites' => array('create', 'destroy'),
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'friendships' => array('create', 'destroy'),
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'help' => array(),
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'notifications' => array('follow', 'leave'),
|
|
|
|
'statuses' => array('update', 'destroy'),
|
|
|
|
'users' => array()
|
|
|
|
);
|
|
|
|
|
|
|
|
if (array_key_exists($apiaction, $write_methods)) {
|
|
|
|
if (!in_array($cmdtext, $write_methods[$apiaction])) {
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
2008-07-12 09:12:47 +01:00
|
|
|
}
|