3 * StatusNet, the distributed open-source microblogging tool
7 * LICENCE: This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 * @author Zach Copley <zach@status.net>
23 * @author Julien C <chaumond@gmail.com>
24 * @author Brion Vibber <brion@status.net>
25 * @copyright 2009-2010 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('STATUSNET')) {
34 require_once INSTALLDIR . '/plugins/TwitterBridge/twitter.php';
37 * Encapsulation of the Twitter status -> notice incoming bridge import.
38 * Is used by both the polling twitterstatusfetcher.php daemon, and the
39 * in-progress streaming import.
43 * @author Zach Copley <zach@status.net>
44 * @author Julien C <chaumond@gmail.com>
45 * @author Brion Vibber <brion@status.net>
46 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
47 * @link http://status.net/
48 * @link http://twitter.com/
52 public $avatarsizename = 'reasonably_small'; // a Twitter size name for 128x128 px
53 public $avatarsize = 128; // they're square...
55 public function importStatus($status)
57 // Hacktastic: filter out stuff coming from this StatusNet
58 $source = mb_strtolower(common_config('integration', 'source'));
60 if (preg_match("/$source/", mb_strtolower($status->source))) {
61 common_debug(__METHOD__ . ' - Skipping import of status ' .
62 twitter_id($status) . " with source {$source}");
66 // Don't save it if the user is protected
67 // FIXME: save it but treat it as private
68 if ($status->user->protected) {
72 $notice = $this->saveStatus($status);
79 return get_class($this);
82 function saveStatus($status)
84 $profile = $this->ensureProfile($status->user);
86 if (empty($profile)) {
87 common_log(LOG_ERR, __METHOD__ . ' - Problem saving notice. No associated Profile.');
91 $statusId = twitter_id($status);
92 $statusUri = $this->makeStatusURI($status->user->screen_name, $statusId);
94 // check to see if we've already imported the status
95 $n2s = Notice_to_status::getKV('status_id', $statusId);
100 __METHOD__ . " - Ignoring duplicate import: {$statusId}"
102 return Notice::getKV('id', $n2s->notice_id);
105 // If it's a retweet, save it as a repeat!
106 if (!empty($status->retweeted_status)) {
107 common_log(LOG_INFO, "Status {$statusId} is a retweet of " . twitter_id($status->retweeted_status) . ".");
108 $original = $this->saveStatus($status->retweeted_status);
109 if (empty($original)) {
112 $author = $original->getProfile();
113 // TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
114 // TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
115 $content = sprintf(_m('RT @%1$s %2$s'),
119 if (Notice::contentTooLong($content)) {
120 $contentlimit = Notice::maxContent();
121 $content = mb_substr($content, 0, $contentlimit - 4) . ' ...';
124 $repeat = Notice::saveNew($profile->id,
127 array('repeat_of' => $original->id,
129 'is_local' => Notice::GATEWAY));
130 common_log(LOG_INFO, "Saved {$repeat->id} as a repeat of {$original->id}");
131 Notice_to_status::saveNew($repeat->id, $statusId);
136 $notice = new Notice();
138 $notice->profile_id = $profile->id;
139 $notice->uri = $statusUri;
140 $notice->url = $statusUri;
141 $notice->created = strftime(
143 strtotime($status->created_at)
146 $notice->source = 'twitter';
148 $notice->reply_to = null;
150 $replyTo = twitter_id($status, 'in_reply_to_status_id');
151 if (!empty($replyTo)) {
152 common_log(LOG_INFO, "Status {$statusId} is a reply to status {$replyTo}");
153 $n2s = Notice_to_status::getKV('status_id', $replyTo);
155 common_log(LOG_INFO, "Couldn't find local notice for status {$replyTo}");
157 $reply = Notice::getKV('id', $n2s->notice_id);
159 common_log(LOG_INFO, "Couldn't find local notice for status {$replyTo}");
161 common_log(LOG_INFO, "Found local notice {$reply->id} for status {$replyTo}");
162 $notice->reply_to = $reply->id;
163 $notice->conversation = $reply->conversation;
168 if (empty($notice->conversation)) {
169 $conv = Conversation::create();
170 $notice->conversation = $conv->id;
171 common_log(LOG_INFO, "No known conversation for status {$statusId} so making a new one {$conv->id}.");
174 $notice->is_local = Notice::GATEWAY;
176 $notice->content = html_entity_decode($this->linkify($status, FALSE), ENT_QUOTES, 'UTF-8');
177 $notice->rendered = $this->linkify($status, TRUE);
179 if (Event::handle('StartNoticeSave', array(&$notice))) {
181 $id = $notice->insert();
184 common_log_db_error($notice, 'INSERT', __FILE__);
185 common_log(LOG_ERR, __METHOD__ . ' - Problem saving notice.');
188 Event::handle('EndNoticeSave', array($notice));
191 Notice_to_status::saveNew($notice->id, $statusId);
193 $this->saveStatusMentions($notice, $status);
194 $this->saveStatusAttachments($notice, $status);
196 $notice->blowOnInsert();
202 * Make an URI for a status.
204 * @param object $status status object
208 function makeStatusURI($username, $id)
210 return 'http://twitter.com/#!/'
218 * Look up a Profile by profileurl field. Profile::getKV() was
219 * not working consistently.
221 * @param string $nickname local nickname of the Twitter user
222 * @param string $profileurl the profile url
224 * @return mixed value the first Profile with that url, or null
226 protected function getProfileByUrl($nickname, $profileurl)
228 $profile = new Profile();
229 $profile->nickname = $nickname;
230 $profile->profileurl = $profileurl;
233 if (!$profile->find()) {
234 throw new NoResultException($profile);
242 * Check to see if this Twitter status has already been imported
244 * @param Profile $profile Twitter user's local profile
245 * @param string $statusUri URI of the status on Twitter
247 * @return mixed value a matching Notice or null
249 function checkDupe($profile, $statusUri)
251 $notice = new Notice();
252 $notice->uri = $statusUri;
253 $notice->profile_id = $profile->id;
256 if ($notice->find()) {
264 protected function ensureProfile($twuser)
266 // check to see if there's already a profile for this user
267 $profileurl = 'http://twitter.com/' . $twuser->screen_name;
269 $profile = $this->getProfileByUrl($twuser->screen_name, $profileurl);
270 $this->checkAvatar($twuser, $profile);
272 } catch (NoResultException $e) {
273 common_debug(__METHOD__ . ' - Adding profile and remote profile ' .
274 "for Twitter user: $profileurl.");
277 $profile = new Profile();
278 $profile->query("BEGIN");
279 $profile->nickname = $twuser->screen_name;
280 $profile->fullname = $twuser->name;
281 $profile->homepage = $twuser->url;
282 $profile->bio = $twuser->description;
283 $profile->location = $twuser->location;
284 $profile->profileurl = $profileurl;
285 $profile->created = common_sql_now();
288 $id = $profile->insert(); // insert _should_ throw exception on failure
290 throw new Exception('Failed insert');
292 } catch(Exception $e) {
293 common_log(LOG_WARNING, __METHOD__ . " Couldn't insert profile: " . $e->getMessage());
294 common_log_db_error($profile, 'INSERT', __FILE__);
295 $profile->query("ROLLBACK");
299 // check for remote profile
300 $remote_pro = Remote_profile::getKV('uri', $profileurl);
302 if (!($remote_pro instanceof Remote_profile)) {
303 $remote_pro = new Remote_profile();
304 $remote_pro->id = $id;
305 $remote_pro->uri = $profileurl;
306 $remote_pro->created = common_sql_now();
309 $rid = $remote_pro->insert();
311 throw new Exception('Failed insert');
313 } catch (Exception $e) {
314 common_log(LOG_WARNING, __METHOD__ . " Couldn't save remote profile: " . $e->getMessage());
315 common_log_db_error($profile, 'INSERT', __FILE__);
316 $profile->query("ROLLBACK");
321 $profile->query("COMMIT");
322 $this->updateAvatar($twuser, $profile);
326 protected function checkAvatar($twuser, Profile $profile)
328 $path_parts = pathinfo($twuser->profile_image_url);
329 $ext = isset($path_parts['extension'])
330 ? '.'.$path_parts['extension']
331 : ''; // some lack extension
332 $img_root = basename($path_parts['basename'], '_normal'.$ext); // cut off extension
333 $newname = "Twitter_{$twuser->id}_{$img_root}_{$this->avatarsizename}{$ext}";
336 $avatar = Avatar::getUploaded($profile);
337 $oldname = $avatar->filename;
339 } catch (Exception $e) {
343 if ($newname != $oldname || !Avatar::hasUploaded($profile)) {
344 common_debug(__METHOD__ . " - Avatar for {$profile->nickname} has changed.");
345 $this->updateAvatar($twuser, $profile);
349 protected function updateAvatar($twuser, Profile $profile)
351 $path_parts = pathinfo($twuser->profile_image_url);
352 $ext = isset($path_parts['extension'])
353 ? '.'.$path_parts['extension']
354 : ''; // some lack extension
355 $img_root = basename($path_parts['basename'], '_normal'.$ext); // cut off extension
356 $url = "{$path_parts['dirname']}/{$img_root}_{$this->avatarsizename}{$ext}";
357 $filename = "Twitter_{$twuser->id}_{$img_root}_{$this->avatarsizename}{$ext}";
358 $mediatype = $this->getMediatype(substr($ext, 1));
361 $this->newAvatar($profile, $url, $filename, $mediatype);
362 } catch (Exception $e) {
363 if (file_exists(Avatar::path($filename))) {
364 unlink(Avatar::path($filename));
369 protected function getMediatype($ext)
373 switch (strtolower($ext)) {
376 $mediatype = 'image/jpeg';
379 $mediatype = 'image/gif';
382 $mediatype = 'image/png';
388 protected function newAvatar(Profile $profile, $url, $filename, $mediatype)
390 // Clear out old avatars, won't do anything if there are none
391 Avatar::deleteFromProfile($profile);
393 // throws exception if unable to fetch
394 $this->fetchRemoteUrl($url, Avatar::path($filename));
396 $avatar = new Avatar();
397 $avatar->profile_id = $profile->id;
398 $avatar->original = 1; // this is an original/"uploaded" avatar
399 $avatar->mediatype = $mediatype;
400 $avatar->filename = $filename;
401 $avatar->url = Avatar::url($filename);
402 $avatar->width = $this->avatarsize;
403 $avatar->height = $this->avatarsize;
405 $avatar->created = common_sql_now();
407 $id = $avatar->insert();
410 common_log(LOG_WARNING, __METHOD__ . " Couldn't insert avatar - " . $e->getMessage());
411 common_log_db_error($avatar, 'INSERT', __FILE__);
412 throw new ServerException('Could not insert avatar');
415 common_debug(__METHOD__ . " - Saved new avatar for {$profile->id}.");
421 * Fetch a remote avatar image and save to local storage.
423 * @param string $url avatar source URL
424 * @param string $filename bare local filename for download
425 * @return bool true on success, false on failure
427 protected function fetchRemoteUrl($url, $filename)
429 common_debug(__METHOD__ . " - Fetching Twitter avatar: {$url} to {$filename}");
430 $request = HTTPClient::start();
431 $request->setConfig('connect_timeout', 3); // I had problems with throttling
432 $request->setConfig('timeout', 6); // and locking the process sucks.
433 $response = $request->get($url);
434 if ($response->isOk()) {
435 if (!file_put_contents($filename, $response->getBody())) {
436 throw new ServerException('Failed saving fetched file');
439 throw new Exception('Unexpected HTTP status code');
448 function linkify($status, $html = FALSE)
450 $text = $status->text;
452 if (empty($status->entities)) {
453 $statusId = twitter_id($status);
454 common_log(LOG_WARNING, "No entities data for {$statusId}; trying to fake up links ourselves.");
455 $text = common_replace_urls_callback($text, 'common_linkify');
456 $text = preg_replace('/(^|\"\;|\'|\(|\[|\{|\s+)#([\pL\pN_\-\.]{1,64})/e', "'\\1#'.TwitterStatusFetcher::tagLink('\\2')", $text);
457 $text = preg_replace('/(^|\s+)@([a-z0-9A-Z_]{1,64})/e', "'\\1@'.TwitterStatusFetcher::atLink('\\2')", $text);
461 // Move all the entities into order so we can
462 // replace them and escape surrounding plaintext
465 $toReplace = array();
467 if (!empty($status->entities->urls)) {
468 foreach ($status->entities->urls as $url) {
469 $toReplace[$url->indices[0]] = array(self::URL, $url);
473 if (!empty($status->entities->hashtags)) {
474 foreach ($status->entities->hashtags as $hashtag) {
475 $toReplace[$hashtag->indices[0]] = array(self::HASHTAG, $hashtag);
479 if (!empty($status->entities->user_mentions)) {
480 foreach ($status->entities->user_mentions as $mention) {
481 $toReplace[$mention->indices[0]] = array(self::MENTION, $mention);
485 // sort in forward order by key
492 foreach ($toReplace as $part) {
493 list($type, $object) = $part;
494 $start = $object->indices[0];
495 $end = $object->indices[1];
496 if ($cursor < $start) {
497 // Copy in the preceding plaintext
498 $result .= $this->twitEscape(mb_substr($text, $cursor, $start - $cursor));
501 $orig = $this->twitEscape(mb_substr($text, $start, $end - $start));
504 $linkText = $this->makeUrlLink($object, $orig, $html);
508 $linkText = $this->makeHashtagLink($object, $orig);
515 $linkText = $this->makeMentionLink($object, $orig);
524 $result .= $linkText;
527 $last = $this->twitEscape(mb_substr($text, $cursor));
533 function twitEscape($str)
535 // Twitter seems to preemptive turn < and > into < and >
536 // but doesn't for &, so while you may have some magic protection
537 // against XSS by not bothing to escape manually, you still get
538 // invalid XHTML. Thanks!
540 // Looks like their web interface pretty much sends anything
541 // through intact, so.... to do equivalent, decode all entities
542 // and then re-encode the special ones.
543 return htmlspecialchars(html_entity_decode($str, ENT_COMPAT, 'UTF-8'));
546 function makeUrlLink($object, $orig, $html)
549 return '<a href="'.htmlspecialchars($object->expanded_url).'" class="extlink">'.htmlspecialchars($object->display_url).'</a>';
551 return htmlspecialchars($object->expanded_url);
555 function makeHashtagLink($object, $orig)
557 return "#" . self::tagLink($object->text, substr($orig, 1));
560 function makeMentionLink($object, $orig)
562 return "@".self::atLink($object->screen_name, $object->name, substr($orig, 1));
565 static function tagLink($tag, $orig)
567 return "<a href='https://search.twitter.com/search?q=%23{$tag}' class='hashtag'>{$orig}</a>";
570 static function atLink($screenName, $fullName, $orig)
572 if (!empty($fullName)) {
573 return "<a href='http://twitter.com/#!/{$screenName}' title='{$fullName}'>{$orig}</a>";
575 return "<a href='http://twitter.com/#!/{$screenName}'>{$orig}</a>";
579 function saveStatusMentions($notice, $status)
583 if (empty($status->entities) || empty($status->entities->user_mentions)) {
587 foreach ($status->entities->user_mentions as $mention) {
588 $flink = Foreign_link::getByForeignID($mention->id, TWITTER_SERVICE);
589 if (!empty($flink)) {
590 $user = User::getKV('id', $flink->user_id);
592 $reply = new Reply();
593 $reply->notice_id = $notice->id;
594 $reply->profile_id = $user->id;
595 $reply->modified = $notice->created;
596 common_log(LOG_INFO, __METHOD__ . ": saving reply: notice {$notice->id} to profile {$user->id}");
597 $id = $reply->insert();
604 * Record URL links from the notice. Needed to get thumbnail records
605 * for referenced photo and video posts, etc.
607 * @param Notice $notice
608 * @param object $status
610 function saveStatusAttachments($notice, $status)
612 if (common_config('attachments', 'process_links')) {
613 if (!empty($status->entities) && !empty($status->entities->urls)) {
614 foreach ($status->entities->urls as $url) {
615 File::processNew($url->url, $notice->id);