--- /dev/null
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category Plugin
+ * @package StatusNet
+ * @author Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+class OAuthData
+{
+ public $consumer_key, $consumer_secret, $token, $token_secret;
+}
+
+/**
+ *
+ */
+abstract class JsonStreamReader
+{
+ const CRLF = "\r\n";
+
+ public $id;
+ protected $socket = null;
+ protected $state = 'init'; // 'init', 'connecting', 'waiting', 'headers', 'active'
+
+ public function __construct()
+ {
+ $this->id = get_class($this) . '.' . substr(md5(mt_rand()), 0, 8);
+ }
+
+ /**
+ * Starts asynchronous connect operation...
+ *
+ * @param <type> $url
+ */
+ public function connect($url)
+ {
+ common_log(LOG_DEBUG, "$this->id opening connection to $url");
+
+ $scheme = parse_url($url, PHP_URL_SCHEME);
+ if ($scheme == 'http') {
+ $rawScheme = 'tcp';
+ } else if ($scheme == 'https') {
+ $rawScheme = 'ssl';
+ } else {
+ throw new ServerException('Invalid URL scheme for HTTP stream reader');
+ }
+
+ $host = parse_url($url, PHP_URL_HOST);
+ $port = parse_url($url, PHP_URL_PORT);
+ if (!$port) {
+ if ($scheme == 'https') {
+ $port = 443;
+ } else {
+ $port = 80;
+ }
+ }
+
+ $path = parse_url($url, PHP_URL_PATH);
+ $query = parse_url($url, PHP_URL_QUERY);
+ if ($query) {
+ $path .= '?' . $query;
+ }
+
+ $errno = $errstr = null;
+ $timeout = 5;
+ //$flags = STREAM_CLIENT_CONNECT | STREAM_CLIENT_ASYNC_CONNECT;
+ $flags = STREAM_CLIENT_CONNECT;
+ // @fixme add SSL params
+ $this->socket = stream_socket_client("$rawScheme://$host:$port", $errno, $errstr, $timeout, $flags);
+
+ $this->send($this->httpOpen($host, $path));
+
+ stream_set_blocking($this->socket, false);
+ $this->state = 'waiting';
+ }
+
+ function send($buffer)
+ {
+ echo "Writing...\n";
+ var_dump($buffer);
+ fwrite($this->socket, $buffer);
+ }
+
+ function read()
+ {
+ echo "Reading...\n";
+ $buffer = fread($this->socket, 65536);
+ var_dump($buffer);
+ return $buffer;
+ }
+
+ protected function httpOpen($host, $path)
+ {
+ $lines = array(
+ "GET $path HTTP/1.1",
+ "Host: $host",
+ "User-Agent: StatusNet/" . STATUSNET_VERSION . " (TwitterBridgePlugin)",
+ "Connection: close",
+ "",
+ ""
+ );
+ return implode(self::CRLF, $lines);
+ }
+
+ /**
+ * Close the current connection, if open.
+ */
+ public function close()
+ {
+ if ($this->isConnected()) {
+ common_log(LOG_DEBUG, "$this->id closing connection.");
+ fclose($this->socket);
+ $this->socket = null;
+ }
+ }
+
+ /**
+ * Are we currently connected?
+ *
+ * @return boolean
+ */
+ public function isConnected()
+ {
+ return $this->socket !== null;
+ }
+
+ /**
+ * Send any sockets we're listening on to the IO manager
+ * to wait for input.
+ *
+ * @return array of resources
+ */
+ public function getSockets()
+ {
+ if ($this->isConnected()) {
+ return array($this->socket);
+ }
+ return array();
+ }
+
+ /**
+ * Take a chunk of input over the horn and go go go! :D
+ * @param string $buffer
+ */
+ function handleInput($socket)
+ {
+ if ($this->socket !== $socket) {
+ throw new Exception('Got input from unexpected socket!');
+ }
+
+ $buffer = $this->read();
+ switch ($this->state)
+ {
+ case 'waiting':
+ $this->handleInputWaiting($buffer);
+ break;
+ case 'headers':
+ $this->handleInputHeaders($buffer);
+ break;
+ case 'active':
+ $this->handleInputActive($buffer);
+ break;
+ default:
+ throw new Exception('Invalid state in handleInput: ' . $this->state);
+ }
+ }
+
+ function handleInputWaiting($buffer)
+ {
+ common_log(LOG_DEBUG, "$this->id Does this happen? " . $buffer);
+ $this->state = 'headers';
+ $this->handleInputHeaders($buffer);
+ }
+
+ function handleInputHeaders($buffer)
+ {
+ $lines = explode(self::CRLF, $buffer);
+ foreach ($lines as $line) {
+ if ($line == '') {
+ $this->state = 'active';
+ common_log(LOG_DEBUG, "$this->id connection is active!");
+ } else {
+ common_log(LOG_DEBUG, "$this->id read HTTP header: $line");
+ $this->responseHeaders[] = $line;
+ }
+ }
+ }
+
+ function handleInputActive($buffer)
+ {
+ // One JSON object on each line...
+ // Will we always deliver on packet boundaries?
+ $lines = explode("\n", $buffer);
+ foreach ($lines as $line) {
+ $data = json_decode($line, true);
+ if ($data) {
+ $this->handleJson($data);
+ } else {
+ common_log(LOG_ERR, "$this->id received bogus JSON data: " . $line);
+ }
+ }
+ }
+
+ abstract function handleJson(array $data);
+}
--- /dev/null
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category Plugin
+ * @package StatusNet
+ * @author Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/../../..'));
+
+$shortoptions = 'n:';
+$longoptions = array('nick=');
+
+$helptext = <<<ENDOFHELP
+USAGE: streamtest.php -n <username>
+
+Attempts a User Stream connection to Twitter as the given user, dumping
+data as it comes.
+
+ENDOFHELP;
+
+require_once INSTALLDIR.'/scripts/commandline.inc';
+require_once dirname(dirname(__FILE__)) . '/jsonstreamreader.php';
+require_once dirname(dirname(__FILE__)) . '/twitterstreamreader.php';
+
+if (have_option('n')) {
+ $nickname = get_option_value('n');
+} else if (have_option('nick')) {
+ $nickname = get_option_value('nickname');
+} else {
+ show_help($helptext);
+ exit(0);
+}
+
+/**
+ *
+ * @param User $user
+ * @return TwitterOAuthClient
+ */
+function twitterAuthForUser(User $user)
+{
+ $flink = Foreign_link::getByUserID($user->id,
+ TWITTER_SERVICE);
+ if (!$flink) {
+ throw new ServerException("No Twitter config for this user.");
+ }
+
+ $token = TwitterOAuthClient::unpackToken($flink->credentials);
+ if (!$token) {
+ throw new ServerException("No Twitter OAuth credentials for this user.");
+ }
+
+ return new TwitterOAuthClient($token->key, $token->secret);
+}
+
+function homeStreamForUser(User $user)
+{
+ $auth = twitterAuthForUser($user);
+ return new TwitterUserStream($auth);
+}
+
+$user = User::staticGet('nickname', $nickname);
+$stream = homeStreamForUser($user);
+$stream->hookEvent('raw', function($data) {
+ var_dump($data);
+});
+
+class TwitterManager extends IoManager
+{
+ function __construct(TwitterStreamReader $stream)
+ {
+ $this->stream = $stream;
+ }
+
+ function getSockets()
+ {
+ return $this->stream->getSockets();
+ }
+
+ function handleInput($data)
+ {
+ $this->stream->handleInput($data);
+ return true;
+ }
+
+ function start()
+ {
+ $this->stream->connect();
+ return true;
+ }
+
+ function finish()
+ {
+ $this->stream->close();
+ return true;
+ }
+
+ public static function get()
+ {
+ throw new Exception('not a singleton');
+ }
+}
+
+class TwitterStreamMaster extends IoMaster
+{
+ function __construct($id, $ioManager)
+ {
+ parent::__construct($id);
+ $this->ioManager = $ioManager;
+ }
+
+ /**
+ * Initialize IoManagers which are appropriate to this instance.
+ */
+ function initManagers()
+ {
+ $this->instantiate($this->ioManager);
+ }
+}
+
+$master = new TwitterStreamMaster('TwitterStream', new TwitterManager($stream));
+$master->init();
+$master->service();
--- /dev/null
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category Plugin
+ * @package StatusNet
+ * @author Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+// A single stream connection
+abstract class TwitterStreamReader extends JsonStreamReader
+{
+ protected $callbacks = array();
+
+ function __construct(TwitterOAuthClient $auth, $baseUrl)
+ {
+ $this->baseUrl = $baseUrl;
+ $this->oauth = $auth;
+ }
+
+ public function connect($method)
+ {
+ $url = $this->oAuthUrl($this->baseUrl . '/' . $method);
+ return parent::connect($url);
+ }
+
+ /**
+ * Sign our target URL with OAuth auth stuff.
+ *
+ * @param string $url
+ * @param array $params
+ * @return string
+ */
+ function oAuthUrl($url, $params=array())
+ {
+ // In an ideal world this would be better encapsulated. :)
+ $request = OAuthRequest::from_consumer_and_token($this->oauth->consumer,
+ $this->oauth->token, 'GET', $url, $params);
+ $request->sign_request($this->oauth->sha1_method,
+ $this->oauth->consumer, $this->oauth->token);
+
+ return $request->to_url();
+ }
+ /**
+ * Add an event callback. Available event names include
+ * 'raw' (all data), 'friends', 'delete', 'scrubgeo', etc
+ *
+ * @param string $event
+ * @param callable $callback
+ */
+ public function hookEvent($event, $callback)
+ {
+ $this->callbacks[$event][] = $callback;
+ }
+
+ /**
+ * Call event handler callbacks for the given event.
+ *
+ * @param string $event
+ * @param mixed $arg1 ... one or more params to pass on
+ */
+ public function fireEvent($event, $arg1)
+ {
+ if (array_key_exists($event, $this->callbacks)) {
+ $args = array_slice(func_get_args(), 1);
+ foreach ($this->callbacks[$event] as $callback) {
+ call_user_func_array($callback, $args);
+ }
+ }
+ }
+
+ function handleJson(array $data)
+ {
+ $this->routeMessage($data);
+ }
+
+ abstract function routeMessage($data);
+
+ function handleMessage($data, $forUserId=null)
+ {
+ $this->fireEvent('raw', $data, $forUserId);
+ $known = array('friends');
+ foreach ($known as $key) {
+ if (isset($data[$key])) {
+ $this->fireEvent($key, $data[$key], $forUserId);
+ }
+ }
+ }
+}
+
+class TwitterSiteStream extends TwitterStreamReader
+{
+ protected $userIds;
+
+ public function __construct(TwitterOAuthClient $auth, $baseUrl='https://stream.twitter.com')
+ {
+ parent::__construct($auth, $baseUrl);
+ }
+
+ public function connect($method='2b/site.json')
+ {
+ return parent::connect($method);
+ }
+
+ function followUsers($userIds)
+ {
+ $this->userIds = $userIds;
+ }
+
+ /**
+ * Each message in the site stream tells us which user ID it should be
+ * routed to; we'll need that to let the caller know what to do.
+ *
+ * @param array $data
+ */
+ function routeMessage($data)
+ {
+ parent::handleMessage($data['message'], $data['for_user']);
+ }
+}
+
+class TwitterUserStream extends TwitterStreamReader
+{
+ public function __construct(TwitterOAuthClient $auth, $baseUrl='https://userstream.twitter.com')
+ {
+ parent::__construct($auth, $baseUrl);
+ }
+
+ public function connect($method='2/user.json')
+ {
+ return parent::connect($method);
+ }
+
+ /**
+ * Each message in the user stream is just ready to go.
+ *
+ * @param array $data
+ */
+ function routeMessage($data)
+ {
+ parent::handleMessage($data, $this->userId);
+ }
+}