303 lines
8.7 KiB
PHP
303 lines
8.7 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* 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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if (!defined('LACONICA')) { exit(1); }
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require_once(INSTALLDIR.'/lib/settingsaction.php');
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class TwittersettingsAction extends SettingsAction {
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function get_instructions() {
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return _('Add your Twitter account to automatically send your notices to Twitter, ' .
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'and subscribe to Twitter friends already here.');
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}
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function show_form($msg=NULL, $success=false) {
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$user = common_current_user();
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$profile = $user->getProfile();
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$fuser = NULL;
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$flink = Foreign_link::getForeignLink($user->id, 1); // 1 == Twitter
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if ($flink) {
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$fuser = Foreign_user::staticGet('user_id', $flink->user_id);
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}
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$this->form_header(_('Twitter settings'), $msg, $success);
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common_element_start('form', array('method' => 'post',
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'id' => 'twittersettings',
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'action' =>
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common_local_url('twittersettings')));
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common_hidden('token', common_session_token());
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common_element('h2', NULL, _('Twitter Account'));
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if ($fuser) {
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common_element_start('p');
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common_element('span', 'twitter_user', $fuser->nickname);
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common_element('a', array('href' => $fuser->uri), $fuser->uri);
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common_element('span', 'input_instructions',
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_('Current verified Twitter account.'));
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common_hidden('flink_user_id', $flink->user_id);
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common_element_end('p');
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common_submit('remove', _('Remove'));
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} else {
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// XXX: Should we make an educated guess as to the twitter acct name? -- Zach
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common_input('twitter_username', _('Twitter Username'),
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($this->arg('twitter_username')) ? $this->arg('twitter_username') : $profile->nickname,
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_('No spaces, please.')); // hey, it's what Twitter says
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common_password('twitter_password', _('Twitter Password'));
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}
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common_element('h2', NULL, _('Preferences'));
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if ($flink) {
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common_checkbox('noticesync', _('Automatically send my notices to Twitter.'),
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($flink->noticesync) ? true : false);
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common_checkbox('friendsync', _('Subscribe to my Twitter friends here.'),
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($flink->friendsync) ? true : false);
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common_submit('save', _('Save'));
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} else {
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common_checkbox('noticesync', _('Automatically send my notices to Twitter.'), true);
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common_checkbox('friendsync', _('Subscribe to my Twitter friends here.'), true);
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common_submit('add', _('Add'));
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}
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common_element_end('form');
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common_show_footer();
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}
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function handle_post() {
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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->show_form(_('There was a problem with your session token. 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->save_preferences();
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} else if ($this->arg('add')) {
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$this->add_twitter_acct();
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} else if ($this->arg('remove')) {
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$this->remove_twitter_acct();
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} else {
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$this->show_form(_('Unexpected form submission.'));
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}
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}
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function add_twitter_acct() {
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$twitter_username = $this->trimmed('twitter_username');
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$twitter_password = $this->trimmed('twitter_password');
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$noticesync = $this->boolean('noticesync');
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$friendsync = $this->boolean('friendsync');
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if (!Validate::string($twitter_username, array('min_length' => 1,
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'max_length' => 64,
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'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
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$this->show_form(_('Username must have only lowercase letters and numbers and no spaces.'));
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return;
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}
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// Verify this is a real Twitter user.
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if (!$this->verify_credentials($twitter_username, $twitter_password)) {
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$this->show_form(_('Could not verify your Twitter credentials!'));
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return;
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}
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// Now that we have a valid Twitter user, we have to make another api call to
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// find its Twitter ID. Dumb, but true.
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$twitter_id = $this->get_twitter_id($twitter_username);
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if (!$twitter_id) {
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$this->show_form(sprintf(_('Unable to retrieve account information for "%s" from Twitter.'), $twitter_username));
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return;
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}
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$fuser = DB_DataObject::factory('foreign_user');
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$fuser->id = $twitter_id;
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$fuser->service = 1; // Twitter
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$fuser->uri = "http://www.twitter.com/$twitter_username";
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$fuser->nickname = $twitter_username;
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$fuser->created = common_sql_now();
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$result = $fuser->insert();
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if (!$result) {
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common_log_db_error($fuser, 'INSERT', __FILE__);
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$this->show_form(_('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 = DB_DataObject::factory('foreign_link');
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$flink->user_id = $user->id;
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$flink->foreign_id = $fuser->id;
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$flink->service = 1; // Twitter
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$flink->credentials = $twitter_password;
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$flink->created = common_sql_now();
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$flink->noticesync = ($noticesync) ? 1 : 0;
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$flink->friendsync = ($friendsync) ? 2 : 0;
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$flink->profilesync = 0; // XXX: leave as default?
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$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->show_form(_('Unable to save your Twitter settings!'));
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return;
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}
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$this->show_form(_('Twitter settings saved.'), true);
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}
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function remove_twitter_acct() {
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$user = common_current_user();
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// For now we assume one Twitter acct per Laconica acct
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$flink = Foreign_link::getForeignLink($user->id, 1);
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$fuser = Foreign_user::getForeignUser($flink->foreign_id, 1);
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$flink_user_id = $this->arg('flink_user_id');
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if (!$flink) {
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common_debug("couldn't get flink");
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}
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# Maybe an old tab open...?
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if ($flink->user_id != $flink_user_id) {
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common_debug("flink user_id = " . $flink->user_id);
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$this->show_form(_('That is not your Twitter account.'));
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return;
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}
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$result = $fuser->delete();
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if (!$result) {
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common_log_db_error($flink, 'DELETE', __FILE__);
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$this->show_form(_('Couldn\'t remove Twitter user.'));
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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($flink, 'DELETE', __FILE__);
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common_server_error(_('Couldn\'t remove Twitter user.'));
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return;
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}
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$this->show_form(_('Twitter account removed.'), TRUE);
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}
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function save_preferences() {
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$noticesync = $this->boolean('noticesync');
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$friendsync = $this->boolean('friendsync');
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$user = common_current_user();
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$flink = Foreign_link::getForeignLink($user->id, 1);
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if (!$flink) {
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common_log_db_error($flink, 'SELECT', __FILE__);
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$this->show_form(_('Couldn\'t save Twitter preferences.'));
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return;
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}
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$flink->noticesync = ($noticesync) ? 1 : 0;
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$flink->friendsync = ($friendsync) ? 2 : 0;
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// $flink->profilesync = 0; // XXX: leave as default?
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$result = $flink->update();
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if (!$result) {
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common_log_db_error($flink, 'UPDATE', __FILE__);
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$this->show_form(_('Couldn\'t save Twitter preferences.'));
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return;
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}
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$this->show_form(_('Twitter preferences saved.'));
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return;
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}
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function get_twitter_id($twitter_username) {
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$uri = "http://twitter.com/users/show/$twitter_username.json";
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$data = $this->get_twitter_data($uri);
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if (!$data) {
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return NULL;
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}
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$user = json_decode($data);
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if (!$user) {
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return NULL;
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}
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return $user->id;
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}
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function verify_credentials($user, $password) {
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$uri = 'http://twitter.com/account/verify_credentials.json';
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$data = $this->get_twitter_data($uri, $user, $password);
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if (!$data) {
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return false;
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}
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$creds = json_decode($data);
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if (!$creds) {
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return false;
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}
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if ($creds->authorized == 1) {
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return true;
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}
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return false;
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}
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// PHP's cURL the best thing to use here? -- Zach
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function get_twitter_data($uri, $user=NULL, $password=NULL) {
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$options = array(
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CURLOPT_USERPWD => "$user:$password",
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_FAILONERROR => true,
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CURLOPT_HEADER => false,
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CURLOPT_FOLLOWLOCATION => true,
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// CURLOPT_USERAGENT => "identi.ca",
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CURLOPT_CONNECTTIMEOUT => 120,
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CURLOPT_TIMEOUT => 120
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);
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$ch = curl_init($uri);
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curl_setopt_array($ch, $options);
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$data = curl_exec($ch);
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$errmsg = curl_error($ch);
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if ($errmsg) {
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common_debug("cURL error: $errmsg - trying to load: $uri with user $user.", __FILE__);
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}
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curl_close($ch);
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return $data;
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}
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} |