162 lines
4.4 KiB
PHP
162 lines
4.4 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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* 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 Plugin
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* @package StatusNet
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* @author Brion Vibber <brion@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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// A single stream connection
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abstract class TwitterStreamReader extends JsonStreamReader
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{
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protected $callbacks = array();
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function __construct(TwitterOAuthClient $auth, $baseUrl)
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{
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$this->baseUrl = $baseUrl;
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$this->oauth = $auth;
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}
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public function connect($method)
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{
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$url = $this->oAuthUrl($this->baseUrl . '/' . $method);
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return parent::connect($url);
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}
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/**
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* Sign our target URL with OAuth auth stuff.
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*
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* @param string $url
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* @param array $params
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* @return string
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*/
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function oAuthUrl($url, $params=array())
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{
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// In an ideal world this would be better encapsulated. :)
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$request = OAuthRequest::from_consumer_and_token($this->oauth->consumer,
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$this->oauth->token, 'GET', $url, $params);
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$request->sign_request($this->oauth->sha1_method,
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$this->oauth->consumer, $this->oauth->token);
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return $request->to_url();
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}
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/**
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* Add an event callback. Available event names include
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* 'raw' (all data), 'friends', 'delete', 'scrubgeo', etc
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*
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* @param string $event
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* @param callable $callback
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*/
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public function hookEvent($event, $callback)
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{
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$this->callbacks[$event][] = $callback;
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}
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/**
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* Call event handler callbacks for the given event.
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*
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* @param string $event
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* @param mixed $arg1 ... one or more params to pass on
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*/
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public function fireEvent($event, $arg1)
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{
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if (array_key_exists($event, $this->callbacks)) {
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$args = array_slice(func_get_args(), 1);
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foreach ($this->callbacks[$event] as $callback) {
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call_user_func_array($callback, $args);
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}
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}
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}
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function handleJson(array $data)
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{
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$this->routeMessage($data);
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}
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abstract function routeMessage($data);
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function handleMessage($data, $forUserId=null)
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{
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$this->fireEvent('raw', $data, $forUserId);
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$known = array('friends');
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foreach ($known as $key) {
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if (isset($data[$key])) {
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$this->fireEvent($key, $data[$key], $forUserId);
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}
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}
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}
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}
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class TwitterSiteStream extends TwitterStreamReader
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{
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protected $userIds;
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public function __construct(TwitterOAuthClient $auth, $baseUrl='https://stream.twitter.com')
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{
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parent::__construct($auth, $baseUrl);
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}
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public function connect($method='2b/site.json')
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{
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return parent::connect($method);
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}
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function followUsers($userIds)
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{
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$this->userIds = $userIds;
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}
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/**
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* Each message in the site stream tells us which user ID it should be
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* routed to; we'll need that to let the caller know what to do.
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*
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* @param array $data
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*/
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function routeMessage($data)
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{
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parent::handleMessage($data['message'], $data['for_user']);
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}
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}
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class TwitterUserStream extends TwitterStreamReader
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{
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public function __construct(TwitterOAuthClient $auth, $baseUrl='https://userstream.twitter.com')
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{
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parent::__construct($auth, $baseUrl);
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}
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public function connect($method='2/user.json')
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{
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return parent::connect($method);
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}
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/**
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* Each message in the user stream is just ready to go.
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*
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* @param array $data
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*/
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function routeMessage($data)
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{
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parent::handleMessage($data, $this->userId);
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}
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}
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