forked from GNUsocial/gnu-social
de55d8f83b
lib/plugin.php now has a parent onAutoload function that finds most common
files that are used in plugins (actions, dataobjects, forms, libs etc.) if
they are put in the standardised directories ('actions', 'classes', 'forms',
'lib' and perhaps some others in the future).
713 lines
23 KiB
PHP
713 lines
23 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 Zach Copley <zach@status.net>
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* @author Julien C <chaumond@gmail.com>
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* @author Brion Vibber <brion@status.net>
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* @copyright 2009-2010 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 . '/plugins/TwitterBridge/twitter.php';
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/**
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* Encapsulation of the Twitter status -> notice incoming bridge import.
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* Is used by both the polling twitterstatusfetcher.php daemon, and the
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* in-progress streaming import.
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*
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* @category Plugin
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @author Julien C <chaumond@gmail.com>
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* @author Brion Vibber <brion@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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* @link http://twitter.com/
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*/
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class TwitterImport
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{
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public function importStatus($status)
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{
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// Hacktastic: filter out stuff coming from this StatusNet
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$source = mb_strtolower(common_config('integration', 'source'));
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if (preg_match("/$source/", mb_strtolower($status->source))) {
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common_debug($this->name() . ' - Skipping import of status ' .
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twitter_id($status) . ' with source ' . $source);
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return null;
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}
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// Don't save it if the user is protected
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// FIXME: save it but treat it as private
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if ($status->user->protected) {
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return null;
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}
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$notice = $this->saveStatus($status);
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return $notice;
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}
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function name()
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{
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return get_class($this);
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}
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function saveStatus($status)
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{
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$profile = $this->ensureProfile($status->user);
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if (empty($profile)) {
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common_log(LOG_ERR, $this->name() .
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' - Problem saving notice. No associated Profile.');
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return null;
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}
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$statusId = twitter_id($status);
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$statusUri = $this->makeStatusURI($status->user->screen_name, $statusId);
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// check to see if we've already imported the status
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$n2s = Notice_to_status::getKV('status_id', $statusId);
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if (!empty($n2s)) {
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common_log(
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LOG_INFO,
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$this->name() .
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" - Ignoring duplicate import: {$statusId}"
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);
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return Notice::getKV('id', $n2s->notice_id);
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}
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// If it's a retweet, save it as a repeat!
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if (!empty($status->retweeted_status)) {
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common_log(LOG_INFO, "Status {$statusId} is a retweet of " . twitter_id($status->retweeted_status) . ".");
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$original = $this->saveStatus($status->retweeted_status);
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if (empty($original)) {
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return null;
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} else {
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$author = $original->getProfile();
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// TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
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// TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
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$content = sprintf(_m('RT @%1$s %2$s'),
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$author->nickname,
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$original->content);
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if (Notice::contentTooLong($content)) {
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$contentlimit = Notice::maxContent();
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$content = mb_substr($content, 0, $contentlimit - 4) . ' ...';
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}
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$repeat = Notice::saveNew($profile->id,
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$content,
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'twitter',
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array('repeat_of' => $original->id,
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'uri' => $statusUri,
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'is_local' => Notice::GATEWAY));
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common_log(LOG_INFO, "Saved {$repeat->id} as a repeat of {$original->id}");
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Notice_to_status::saveNew($repeat->id, $statusId);
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return $repeat;
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}
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}
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$notice = new Notice();
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$notice->profile_id = $profile->id;
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$notice->uri = $statusUri;
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$notice->url = $statusUri;
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$notice->created = strftime(
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'%Y-%m-%d %H:%M:%S',
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strtotime($status->created_at)
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);
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$notice->source = 'twitter';
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$notice->reply_to = null;
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$replyTo = twitter_id($status, 'in_reply_to_status_id');
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if (!empty($replyTo)) {
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common_log(LOG_INFO, "Status {$statusId} is a reply to status {$replyTo}");
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$n2s = Notice_to_status::getKV('status_id', $replyTo);
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if (empty($n2s)) {
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common_log(LOG_INFO, "Couldn't find local notice for status {$replyTo}");
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} else {
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$reply = Notice::getKV('id', $n2s->notice_id);
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if (empty($reply)) {
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common_log(LOG_INFO, "Couldn't find local notice for status {$replyTo}");
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} else {
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common_log(LOG_INFO, "Found local notice {$reply->id} for status {$replyTo}");
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$notice->reply_to = $reply->id;
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$notice->conversation = $reply->conversation;
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}
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}
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}
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if (empty($notice->conversation)) {
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$conv = Conversation::create();
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$notice->conversation = $conv->id;
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common_log(LOG_INFO, "No known conversation for status {$statusId} so making a new one {$conv->id}.");
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}
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$notice->is_local = Notice::GATEWAY;
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$notice->content = html_entity_decode($this->linkify($status, FALSE), ENT_QUOTES, 'UTF-8');
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$notice->rendered = $this->linkify($status, TRUE);
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if (Event::handle('StartNoticeSave', array(&$notice))) {
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$id = $notice->insert();
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if (!$id) {
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common_log_db_error($notice, 'INSERT', __FILE__);
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common_log(LOG_ERR, $this->name() .
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' - Problem saving notice.');
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}
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Event::handle('EndNoticeSave', array($notice));
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}
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Notice_to_status::saveNew($notice->id, $statusId);
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$this->saveStatusMentions($notice, $status);
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$this->saveStatusAttachments($notice, $status);
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$notice->blowOnInsert();
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return $notice;
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}
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/**
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* Make an URI for a status.
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*
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* @param object $status status object
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*
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* @return string URI
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*/
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function makeStatusURI($username, $id)
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{
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return 'http://twitter.com/#!/'
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. $username
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. '/status/'
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. $id;
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}
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/**
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* Look up a Profile by profileurl field. Profile::getKV() was
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* not working consistently.
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*
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* @param string $nickname local nickname of the Twitter user
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* @param string $profileurl the profile url
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*
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* @return mixed value the first Profile with that url, or null
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*/
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function getProfileByUrl($nickname, $profileurl)
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{
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$profile = new Profile();
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$profile->nickname = $nickname;
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$profile->profileurl = $profileurl;
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$profile->limit(1);
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if ($profile->find()) {
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$profile->fetch();
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return $profile;
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}
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return null;
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}
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/**
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* Check to see if this Twitter status has already been imported
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*
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* @param Profile $profile Twitter user's local profile
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* @param string $statusUri URI of the status on Twitter
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*
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* @return mixed value a matching Notice or null
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*/
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function checkDupe($profile, $statusUri)
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{
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$notice = new Notice();
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$notice->uri = $statusUri;
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$notice->profile_id = $profile->id;
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$notice->limit(1);
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if ($notice->find()) {
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$notice->fetch();
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return $notice;
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}
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return null;
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}
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function ensureProfile($user)
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{
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// check to see if there's already a profile for this user
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$profileurl = 'http://twitter.com/' . $user->screen_name;
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$profile = $this->getProfileByUrl($user->screen_name, $profileurl);
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if (!empty($profile)) {
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common_debug($this->name() .
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" - Profile for $profile->nickname found.");
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// Check to see if the user's Avatar has changed
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$this->checkAvatar($user, $profile);
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return $profile;
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} else {
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common_debug($this->name() . ' - Adding profile and remote profile ' .
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"for Twitter user: $profileurl.");
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$profile = new Profile();
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$profile->query("BEGIN");
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$profile->nickname = $user->screen_name;
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$profile->fullname = $user->name;
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$profile->homepage = $user->url;
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$profile->bio = $user->description;
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$profile->location = $user->location;
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$profile->profileurl = $profileurl;
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$profile->created = common_sql_now();
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try {
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$id = $profile->insert();
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} catch(Exception $e) {
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common_log(LOG_WARNING, $this->name() . ' Couldn\'t insert profile - ' . $e->getMessage());
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}
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if (empty($id)) {
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common_log_db_error($profile, 'INSERT', __FILE__);
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$profile->query("ROLLBACK");
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return false;
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}
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// check for remote profile
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$remote_pro = Remote_profile::getKV('uri', $profileurl);
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if (empty($remote_pro)) {
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$remote_pro = new Remote_profile();
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$remote_pro->id = $id;
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$remote_pro->uri = $profileurl;
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$remote_pro->created = common_sql_now();
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try {
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$rid = $remote_pro->insert();
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} catch (Exception $e) {
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common_log(LOG_WARNING, $this->name() . ' Couldn\'t save remote profile - ' . $e->getMessage());
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}
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if (empty($rid)) {
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common_log_db_error($profile, 'INSERT', __FILE__);
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$profile->query("ROLLBACK");
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return false;
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}
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}
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$profile->query("COMMIT");
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$this->saveAvatars($user, $id);
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return $profile;
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}
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}
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function checkAvatar($twitter_user, $profile)
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{
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global $config;
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$newname = 'Twitter_' . $twitter_user->id . '_' . basename($twitter_user->profile_image_url);
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$oldname = $profile->getAvatar(48)->filename;
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if ($newname != $oldname) {
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common_debug($this->name() . ' - Avatar for Twitter user ' .
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"$profile->nickname has changed.");
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common_debug($this->name() . " - old: $oldname new: $newname");
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$this->updateAvatars($twitter_user, $profile);
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}
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if ($this->missingAvatarFile($profile)) {
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common_debug($this->name() . ' - Twitter user ' .
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$profile->nickname .
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' is missing one or more local avatars.');
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common_debug($this->name() ." - old: $oldname new: $newname");
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$this->updateAvatars($twitter_user, $profile);
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}
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}
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function updateAvatars($twitter_user, $profile) {
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global $config;
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$path_parts = pathinfo($twitter_user->profile_image_url);
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$ext = (isset($path_parts['extension']) ? '.'.$path_parts['extension'] : ''); // some lack extension
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$img_root = basename($path_parts['basename'], '_normal'.$ext); // cut off extension
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$mediatype = $this->getMediatype(substr($ext, 1));
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foreach (array('mini', 'normal', 'bigger') as $size) {
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$url = $path_parts['dirname'] . '/' .
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$img_root . '_' . $size . $ext;
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$filename = 'Twitter_' . $twitter_user->id . '_' .
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$img_root . '_' . $size . $ext;
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$this->updateAvatar($profile->id, $size, $mediatype, $filename);
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$this->fetchAvatar($url, $filename);
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}
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}
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function missingAvatarFile($profile) {
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foreach (array(24, 48, 73) as $size) {
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$filename = $profile->getAvatar($size)->filename;
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$avatarpath = Avatar::path($filename);
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if (file_exists($avatarpath) == FALSE) {
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return true;
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}
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}
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return false;
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}
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function getMediatype($ext)
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{
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$mediatype = null;
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switch (strtolower($ext)) {
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case 'jpeg':
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case 'jpg':
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$mediatype = 'image/jpeg';
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break;
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case 'gif':
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$mediatype = 'image/gif';
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break;
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default:
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$mediatype = 'image/png';
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}
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return $mediatype;
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}
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function saveAvatars($user, $id)
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{
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global $config;
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$path_parts = pathinfo($user->profile_image_url);
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$ext = (isset($path_parts['extension']) ? '.'.$path_parts['extension'] : '');
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$img_root = basename($path_parts['basename'], '_normal'.$ext);
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$mediatype = $this->getMediatype(substr($ext, 1));
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foreach (array('mini', 'normal', 'bigger') as $size) {
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$url = $path_parts['dirname'] . '/' .
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$img_root . '_' . $size . $ext;
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$filename = 'Twitter_' . $user->id . '_' .
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$img_root . '_' . $size . $ext;
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if ($this->fetchAvatar($url, $filename)) {
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$this->newAvatar($id, $size, $mediatype, $filename);
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} else {
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common_log(LOG_WARNING, $id() .
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" - Problem fetching Avatar: $url");
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}
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}
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}
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function updateAvatar($profile_id, $size, $mediatype, $filename) {
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common_debug($this->name() . " - Updating avatar: $size");
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$profile = Profile::getKV($profile_id);
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if (empty($profile)) {
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common_debug($this->name() . " - Couldn't get profile: $profile_id!");
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return;
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}
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$sizes = array('mini' => 24, 'normal' => 48, 'bigger' => 73);
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$avatar = $profile->getAvatar($sizes[$size]);
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// Delete the avatar, if present
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if ($avatar) {
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$avatar->delete();
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}
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$this->newAvatar($profile->id, $size, $mediatype, $filename);
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}
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function newAvatar($profile_id, $size, $mediatype, $filename)
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{
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global $config;
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$avatar = new Avatar();
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$avatar->profile_id = $profile_id;
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switch($size) {
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case 'mini':
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$avatar->width = 24;
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$avatar->height = 24;
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break;
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case 'normal':
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$avatar->width = 48;
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$avatar->height = 48;
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break;
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default:
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// Note: Twitter's big avatars are a different size than
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// StatusNet's (StatusNet's = 96)
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$avatar->width = 73;
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$avatar->height = 73;
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}
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$avatar->original = 0; // we don't have the original
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$avatar->mediatype = $mediatype;
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$avatar->filename = $filename;
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$avatar->url = Avatar::url($filename);
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$avatar->created = common_sql_now();
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try {
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$id = $avatar->insert();
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} catch (Exception $e) {
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common_log(LOG_WARNING, $this->name() . ' Couldn\'t insert avatar - ' . $e->getMessage());
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}
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if (empty($id)) {
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common_log_db_error($avatar, 'INSERT', __FILE__);
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return null;
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}
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common_debug($this->name() .
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" - Saved new $size avatar for $profile_id.");
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return $id;
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}
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/**
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* Fetch a remote avatar image and save to local storage.
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*
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* @param string $url avatar source URL
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* @param string $filename bare local filename for download
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* @return bool true on success, false on failure
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*/
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function fetchAvatar($url, $filename)
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{
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common_debug($this->name() . " - Fetching Twitter avatar: $url");
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$request = HTTPClient::start();
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$response = $request->get($url);
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if ($response->isOk()) {
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$avatarfile = Avatar::path($filename);
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$ok = file_put_contents($avatarfile, $response->getBody());
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if (!$ok) {
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common_log(LOG_WARNING, $this->name() .
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" - Couldn't open file $filename");
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return false;
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}
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} else {
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return false;
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}
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return true;
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}
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const URL = 1;
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const HASHTAG = 2;
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const MENTION = 3;
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function linkify($status, $html = FALSE)
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{
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$text = $status->text;
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if (empty($status->entities)) {
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$statusId = twitter_id($status);
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common_log(LOG_WARNING, "No entities data for {$statusId}; trying to fake up links ourselves.");
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$text = common_replace_urls_callback($text, 'common_linkify');
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$text = preg_replace('/(^|\"\;|\'|\(|\[|\{|\s+)#([\pL\pN_\-\.]{1,64})/e', "'\\1#'.TwitterStatusFetcher::tagLink('\\2')", $text);
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$text = preg_replace('/(^|\s+)@([a-z0-9A-Z_]{1,64})/e', "'\\1@'.TwitterStatusFetcher::atLink('\\2')", $text);
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return $text;
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}
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// Move all the entities into order so we can
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// replace them and escape surrounding plaintext
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// in order
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$toReplace = array();
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if (!empty($status->entities->urls)) {
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foreach ($status->entities->urls as $url) {
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$toReplace[$url->indices[0]] = array(self::URL, $url);
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}
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}
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if (!empty($status->entities->hashtags)) {
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foreach ($status->entities->hashtags as $hashtag) {
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$toReplace[$hashtag->indices[0]] = array(self::HASHTAG, $hashtag);
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}
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}
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if (!empty($status->entities->user_mentions)) {
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foreach ($status->entities->user_mentions as $mention) {
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$toReplace[$mention->indices[0]] = array(self::MENTION, $mention);
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}
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}
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// sort in forward order by key
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ksort($toReplace);
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$result = '';
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$cursor = 0;
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foreach ($toReplace as $part) {
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list($type, $object) = $part;
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$start = $object->indices[0];
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$end = $object->indices[1];
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if ($cursor < $start) {
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// Copy in the preceding plaintext
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$result .= $this->twitEscape(mb_substr($text, $cursor, $start - $cursor));
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$cursor = $start;
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}
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$orig = $this->twitEscape(mb_substr($text, $start, $end - $start));
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switch($type) {
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case self::URL:
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$linkText = $this->makeUrlLink($object, $orig, $html);
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break;
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case self::HASHTAG:
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if ($html) {
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$linkText = $this->makeHashtagLink($object, $orig);
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}else{
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$linkText = $orig;
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}
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break;
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case self::MENTION:
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if ($html) {
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$linkText = $this->makeMentionLink($object, $orig);
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}else{
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$linkText = $orig;
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}
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break;
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default:
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$linkText = $orig;
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continue;
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}
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$result .= $linkText;
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$cursor = $end;
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}
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|
$last = $this->twitEscape(mb_substr($text, $cursor));
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|
$result .= $last;
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|
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return $result;
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}
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function twitEscape($str)
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{
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|
// Twitter seems to preemptive turn < and > into < and >
|
|
// but doesn't for &, so while you may have some magic protection
|
|
// against XSS by not bothing to escape manually, you still get
|
|
// invalid XHTML. Thanks!
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|
//
|
|
// Looks like their web interface pretty much sends anything
|
|
// through intact, so.... to do equivalent, decode all entities
|
|
// and then re-encode the special ones.
|
|
return htmlspecialchars(html_entity_decode($str, ENT_COMPAT, 'UTF-8'));
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}
|
|
|
|
function makeUrlLink($object, $orig, $html)
|
|
{
|
|
if ($html) {
|
|
return '<a href="'.htmlspecialchars($object->expanded_url).'" class="extlink">'.htmlspecialchars($object->display_url).'</a>';
|
|
}else{
|
|
return htmlspecialchars($object->expanded_url);
|
|
}
|
|
}
|
|
|
|
function makeHashtagLink($object, $orig)
|
|
{
|
|
return "#" . self::tagLink($object->text, substr($orig, 1));
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|
}
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|
|
|
function makeMentionLink($object, $orig)
|
|
{
|
|
return "@".self::atLink($object->screen_name, $object->name, substr($orig, 1));
|
|
}
|
|
|
|
static function tagLink($tag, $orig)
|
|
{
|
|
return "<a href='https://search.twitter.com/search?q=%23{$tag}' class='hashtag'>{$orig}</a>";
|
|
}
|
|
|
|
static function atLink($screenName, $fullName, $orig)
|
|
{
|
|
if (!empty($fullName)) {
|
|
return "<a href='http://twitter.com/#!/{$screenName}' title='{$fullName}'>{$orig}</a>";
|
|
} else {
|
|
return "<a href='http://twitter.com/#!/{$screenName}'>{$orig}</a>";
|
|
}
|
|
}
|
|
|
|
function saveStatusMentions($notice, $status)
|
|
{
|
|
$mentions = array();
|
|
|
|
if (empty($status->entities) || empty($status->entities->user_mentions)) {
|
|
return;
|
|
}
|
|
|
|
foreach ($status->entities->user_mentions as $mention) {
|
|
$flink = Foreign_link::getByForeignID($mention->id, TWITTER_SERVICE);
|
|
if (!empty($flink)) {
|
|
$user = User::getKV('id', $flink->user_id);
|
|
if (!empty($user)) {
|
|
$reply = new Reply();
|
|
$reply->notice_id = $notice->id;
|
|
$reply->profile_id = $user->id;
|
|
$reply->modified = $notice->created;
|
|
common_log(LOG_INFO, __METHOD__ . ": saving reply: notice {$notice->id} to profile {$user->id}");
|
|
$id = $reply->insert();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Record URL links from the notice. Needed to get thumbnail records
|
|
* for referenced photo and video posts, etc.
|
|
*
|
|
* @param Notice $notice
|
|
* @param object $status
|
|
*/
|
|
function saveStatusAttachments($notice, $status)
|
|
{
|
|
if (common_config('attachments', 'process_links')) {
|
|
if (!empty($status->entities) && !empty($status->entities->urls)) {
|
|
foreach ($status->entities->urls as $url) {
|
|
File::processNew($url->url, $notice->id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
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