forked from GNUsocial/gnu-social
343cd6f205
Moved the common_avatar_* functions to the Avatar class. Typically either as methods on the object or as static methods. Replaced all the uses of the functions in other modules.
502 lines
15 KiB
PHP
502 lines
15 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Settings for Twitter integration
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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 Settings
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @copyright 2008-2009 Control Yourself, 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://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/connectsettingsaction.php';
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define('SUBSCRIPTIONS', 80);
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/**
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* Settings for Twitter integration
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*
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* @category Settings
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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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://laconi.ca/
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*
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* @see SettingsAction
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*/
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class TwittersettingsAction extends ConnectSettingsAction
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{
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/**
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* Title of the page
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*
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* @return string Title of the page
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*/
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function title()
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{
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return _('Twitter settings');
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}
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/**
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* Instructions for use
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*
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* @return instructions for use
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*/
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function getInstructions()
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{
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return _('Add your Twitter account to automatically send '.
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' your notices to Twitter, ' .
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'and subscribe to Twitter friends already here.');
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}
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/**
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* Content area of the page
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*
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* Shows a form for associating a Twitter account with this
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* Laconica account. Also lets the user set preferences.
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*
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* @return void
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*/
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function showContent()
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{
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$user = common_current_user();
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$profile = $user->getProfile();
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$fuser = null;
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$flink = Foreign_link::getByUserID($user->id, 1); // 1 == Twitter
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if ($flink) {
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$fuser = $flink->getForeignUser();
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}
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$this->elementStart('form', array('method' => 'post',
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'id' => 'form_settings_twitter',
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'class' => 'form_settings',
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'action' =>
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common_local_url('twittersettings')));
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$this->elementStart('fieldset', array('id' => 'settings_twitter_account'));
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$this->element('legend', null, _('Twitter Account'));
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$this->hidden('token', common_session_token());
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if ($fuser) {
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li', array('id' => 'settings_twitter_remove'));
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$this->element('span', 'twitter_user', $fuser->nickname);
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$this->element('a', array('href' => $fuser->uri), $fuser->uri);
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$this->element('p', 'form_note',
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_('Current verified Twitter account.'));
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$this->hidden('flink_foreign_id', $flink->foreign_id);
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->submit('remove', _('Remove'));
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} else {
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li', array('id' => 'settings_twitter_login'));
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$this->input('twitter_username', _('Twitter user name'),
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($this->arg('twitter_username')) ?
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$this->arg('twitter_username') :
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$profile->nickname,
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_('No spaces, please.')); // hey, it's what Twitter says
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$this->elementEnd('li');
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$this->elementStart('li');
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$this->password('twitter_password', _('Twitter password'));
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$this->elementend('li');
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$this->elementEnd('ul');
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}
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$this->elementEnd('fieldset');
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$this->elementStart('fieldset',
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array('id' => 'settings_twitter_preferences'));
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$this->element('legend', null, _('Preferences'));
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
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$this->checkbox('noticesync',
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_('Automatically send my notices to Twitter.'),
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($flink) ?
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($flink->noticesync & FOREIGN_NOTICE_SEND) :
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true);
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$this->elementEnd('li');
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$this->elementStart('li');
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$this->checkbox('replysync',
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_('Send local "@" replies to Twitter.'),
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($flink) ?
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($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY) :
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true);
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$this->elementEnd('li');
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$this->elementStart('li');
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$this->checkbox('friendsync',
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_('Subscribe to my Twitter friends here.'),
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($flink) ?
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($flink->friendsync & FOREIGN_FRIEND_RECV) :
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false);
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$this->elementEnd('li');
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$this->elementEnd('ul');
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if ($flink) {
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$this->submit('save', _('Save'));
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} else {
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$this->submit('add', _('Add'));
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}
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$this->elementEnd('fieldset');
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$this->showTwitterSubscriptions();
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$this->elementEnd('form');
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}
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/**
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* Gets some of the user's Twitter friends
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*
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* Gets the number of Twitter friends that are on this
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* instance of Laconica.
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*
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* @return array array of User objects
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*/
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function subscribedTwitterUsers()
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{
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$current_user = common_current_user();
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$qry = 'SELECT user.* ' .
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'FROM subscription ' .
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'JOIN user ON subscription.subscribed = user.id ' .
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'JOIN foreign_link ON foreign_link.user_id = user.id ' .
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'WHERE subscriber = %d ' .
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'ORDER BY user.nickname';
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$user = new User();
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$user->query(sprintf($qry, $current_user->id));
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$users = array();
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while ($user->fetch()) {
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// Don't include the user's own self-subscription
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if ($user->id != $current_user->id) {
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$users[] = clone($user);
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}
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}
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return $users;
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}
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/**
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* Show user's Twitter friends
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*
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* Gets the number of Twitter friends that are on this
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* instance of Laconica, and shows their mini-avatars.
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*
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* @return void
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*/
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function showTwitterSubscriptions()
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{
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$friends = $this->subscribedTwitterUsers();
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$friends_count = count($friends);
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if ($friends_count > 0) {
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$this->elementStart('div', array('id' => 'entity_subscriptions',
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'class' => 'section'));
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$this->element('h2', null, _('Twitter Friends'));
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$this->elementStart('ul', 'entities users xoxo');
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for ($i = 0; $i < min($friends_count, SUBSCRIPTIONS); $i++) {
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$other = Profile::staticGet($friends[$i]->id);
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if (!$other) {
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common_log_db_error($subs, 'SELECT', __FILE__);
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continue;
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}
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$this->elementStart('li', 'vcard');
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$this->elementStart('a', array('title' => ($other->fullname) ?
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$other->fullname :
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$other->nickname,
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'href' => $other->profileurl,
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'class' => 'url'));
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$avatar = $other->getAvatar(AVATAR_MINI_SIZE);
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$avatar_url = ($avatar) ?
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$avatar->displayUrl() :
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Avatar::defaultImage(AVATAR_MINI_SIZE);
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$this->element('img', array('src' => $avatar_url,
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'width' => AVATAR_MINI_SIZE,
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'height' => AVATAR_MINI_SIZE,
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'class' => 'avatar photo',
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'alt' => ($other->fullname) ?
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$other->fullname :
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$other->nickname));
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$this->element('span', 'fn nickname', $other->nickname);
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$this->elementEnd('a');
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$this->elementEnd('li');
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}
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$this->elementEnd('ul');
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$this->elementEnd('div');
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}
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}
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/**
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* Handle posts to this form
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*
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* Based on the button that was pressed, muxes out to other functions
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* to do the actual task requested.
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*
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* All sub-functions reload the form with a message -- success or failure.
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*
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* @return void
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*/
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function handlePost()
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{
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// CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$this->showForm(_('There was a problem with your session token. '.
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'Try again, please.'));
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return;
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}
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if ($this->arg('save')) {
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$this->savePreferences();
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} else if ($this->arg('add')) {
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$this->addTwitterAccount();
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} else if ($this->arg('remove')) {
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$this->removeTwitterAccount();
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} else {
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$this->showForm(_('Unexpected form submission.'));
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}
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}
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/**
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* Associate a Twitter account with the user's account
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*
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* Validates post input; verifies it against Twitter; and if
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* successful stores in the database.
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*
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* @return void
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*/
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function addTwitterAccount()
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{
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$screen_name = $this->trimmed('twitter_username');
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$password = $this->trimmed('twitter_password');
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$noticesync = $this->boolean('noticesync');
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$replysync = $this->boolean('replysync');
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$friendsync = $this->boolean('friendsync');
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if (!Validate::string($screen_name,
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array('min_length' => 1,
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'max_length' => 15,
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'format' => VALIDATE_NUM.VALIDATE_ALPHA.'_'))) {
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$this->showForm(_('Username must have only numbers, '.
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'upper- and lowercase letters, '.
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'and underscore (_). 15 chars max.'));
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return;
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}
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if (!$this->verifyCredentials($screen_name, $password)) {
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$this->showForm(_('Could not verify your Twitter credentials!'));
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return;
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}
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$twit_user = twitter_user_info($screen_name, $password);
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if (!$twit_user) {
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$this->showForm(sprintf(_('Unable to retrieve account information '.
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'For "%s" from Twitter.'),
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$screen_name));
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return;
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}
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if (!save_twitter_user($twit_user->id, $screen_name)) {
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$this->showForm(_('Unable to save your Twitter settings!'));
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return;
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}
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$user = common_current_user();
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$flink = new Foreign_link();
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$flink->user_id = $user->id;
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$flink->foreign_id = $twit_user->id;
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$flink->service = 1; // Twitter
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$flink->credentials = $password;
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$flink->created = common_sql_now();
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$flink->set_flags($noticesync, $replysync, $friendsync);
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$flink_id = $flink->insert();
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if (!$flink_id) {
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common_log_db_error($flink, 'INSERT', __FILE__);
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$this->showForm(_('Unable to save your Twitter settings!'));
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return;
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}
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if ($friendsync) {
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save_twitter_friends($user, $twit_user->id, $screen_name, $password);
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}
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$this->showForm(_('Twitter settings saved.'), true);
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}
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/**
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* Disassociate an existing Twitter account from this account
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*
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* @return void
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*/
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function removeTwitterAccount()
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{
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$user = common_current_user();
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$flink = Foreign_link::getByUserID($user->id, 1);
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$flink_foreign_id = $this->arg('flink_foreign_id');
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// Maybe an old tab open...?
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if ($flink->foreign_id != $flink_foreign_id) {
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$this->showForm(_('That is not your Twitter account.'));
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return;
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}
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$result = $flink->delete();
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if (!$result) {
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common_log_db_error($flink, 'DELETE', __FILE__);
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$this->serverError(_('Couldn\'t remove Twitter user.'));
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return;
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}
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$this->showForm(_('Twitter account removed.'), true);
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}
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/**
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* Save user's Twitter-bridging preferences
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*
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* @return void
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*/
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function savePreferences()
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{
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$noticesync = $this->boolean('noticesync');
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$friendsync = $this->boolean('friendsync');
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$replysync = $this->boolean('replysync');
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$user = common_current_user();
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$flink = Foreign_link::getByUserID($user->id, 1);
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if (!$flink) {
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common_log_db_error($flink, 'SELECT', __FILE__);
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$this->showForm(_('Couldn\'t save Twitter preferences.'));
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return;
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}
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$twitter_id = $flink->foreign_id;
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$password = $flink->credentials;
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$fuser = $flink->getForeignUser();
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if (!$fuser) {
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common_log_db_error($fuser, 'SELECT', __FILE__);
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$this->showForm(_('Couldn\'t save Twitter preferences.'));
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return;
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}
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$screen_name = $fuser->nickname;
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$original = clone($flink);
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$flink->set_flags($noticesync, $replysync, $friendsync);
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$result = $flink->update($original);
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if ($result === false) {
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common_log_db_error($flink, 'UPDATE', __FILE__);
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$this->showForm(_('Couldn\'t save Twitter preferences.'));
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return;
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}
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if ($friendsync) {
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save_twitter_friends($user, $flink->foreign_id, $screen_name, $password);
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}
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$this->showForm(_('Twitter preferences saved.'), true);
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}
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/**
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* Verifies a username and password against Twitter's API
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*
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* @param string $screen_name Twitter user name
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* @param string $password Twitter password
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*
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* @return boolean success flag
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*/
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function verifyCredentials($screen_name, $password)
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{
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$uri = 'http://twitter.com/account/verify_credentials.json';
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$data = get_twitter_data($uri, $screen_name, $password);
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if (!$data) {
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return false;
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}
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$user = json_decode($data);
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if (!$user) {
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return false;
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}
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$twitter_id = $user->id;
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if ($twitter_id) {
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return $twitter_id;
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}
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return false;
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}
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}
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