gnu-social/_darcs/pristine/actions/twittersettings.php

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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/lib/settingsaction.php');
define('SUBSCRIPTIONS', 80);
class TwittersettingsAction extends SettingsAction {
function get_instructions()
{
return _('Add your Twitter account to automatically send your notices to Twitter, ' .
'and subscribe to Twitter friends already here.');
}
function show_form($msg=null, $success=false)
{
$user = common_current_user();
$profile = $user->getProfile();
$fuser = null;
$flink = Foreign_link::getByUserID($user->id, 1); // 1 == Twitter
if ($flink) {
$fuser = $flink->getForeignUser();
}
$this->form_header(_('Twitter settings'), $msg, $success);
common_element_start('form', array('method' => 'post',
'id' => 'twittersettings',
'action' =>
common_local_url('twittersettings')));
common_hidden('token', common_session_token());
common_element('h2', null, _('Twitter Account'));
if ($fuser) {
common_element_start('p');
common_element('span', 'twitter_user', $fuser->nickname);
common_element('a', array('href' => $fuser->uri), $fuser->uri);
common_element('span', 'input_instructions',
_('Current verified Twitter account.'));
common_hidden('flink_foreign_id', $flink->foreign_id);
common_element_end('p');
common_submit('remove', _('Remove'));
} else {
common_input('twitter_username', _('Twitter user name'),
($this->arg('twitter_username')) ? $this->arg('twitter_username') : $profile->nickname,
_('No spaces, please.')); // hey, it's what Twitter says
common_password('twitter_password', _('Twitter password'));
}
common_element('h2', null, _('Preferences'));
common_checkbox('noticesync', _('Automatically send my notices to Twitter.'),
($flink) ? ($flink->noticesync & FOREIGN_NOTICE_SEND) : true);
common_checkbox('replysync', _('Send local "@" replies to Twitter.'),
($flink) ? ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY) : true);
common_checkbox('friendsync', _('Subscribe to my Twitter friends here.'),
($flink) ? ($flink->friendsync & FOREIGN_FRIEND_RECV) : false);
if ($flink) {
common_submit('save', _('Save'));
} else {
common_submit('add', _('Add'));
}
$this->show_twitter_subscriptions();
common_element_end('form');
common_show_footer();
}
function subscribed_twitter_users()
{
$current_user = common_current_user();
$qry = 'SELECT user.* ' .
'FROM subscription ' .
'JOIN user ON subscription.subscribed = user.id ' .
'JOIN foreign_link ON foreign_link.user_id = user.id ' .
'WHERE subscriber = %d ' .
'ORDER BY user.nickname';
$user = new User();
$user->query(sprintf($qry, $current_user->id));
$users = array();
while ($user->fetch()) {
// Don't include the user's own self-subscription
if ($user->id != $current_user->id) {
$users[] = clone($user);
}
}
return $users;
}
function show_twitter_subscriptions()
{
$friends = $this->subscribed_twitter_users();
$friends_count = count($friends);
if ($friends_count > 0) {
common_element('h3', null, _('Twitter Friends'));
common_element_start('div', array('id' => 'subscriptions'));
common_element_start('ul', array('id' => 'subscriptions_avatars'));
for ($i = 0; $i < min($friends_count, SUBSCRIPTIONS); $i++) {
$other = Profile::staticGet($friends[$i]->id);
if (!$other) {
common_log_db_error($subs, 'SELECT', __FILE__);
continue;
}
common_element_start('li');
common_element_start('a', array('title' => ($other->fullname) ?
$other->fullname :
$other->nickname,
'href' => $other->profileurl,
'rel' => 'contact',
'class' => 'subscription'));
$avatar = $other->getAvatar(AVATAR_MINI_SIZE);
common_element('img', array('src' => (($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_MINI_SIZE)),
'width' => AVATAR_MINI_SIZE,
'height' => AVATAR_MINI_SIZE,
'class' => 'avatar mini',
'alt' => ($other->fullname) ?
$other->fullname :
$other->nickname));
common_element_end('a');
common_element_end('li');
}
common_element_end('ul');
common_element_end('div');
}
// XXX Figure out a way to show all Twitter friends... ?
/*
if ($subs_count > SUBSCRIPTIONS) {
common_element_start('p', array('id' => 'subscriptions_viewall'));
common_element('a', array('href' => common_local_url('subscriptions',
array('nickname' => $profile->nickname)),
'class' => 'moresubscriptions'),
_('All subscriptions'));
common_element_end('p');
}
*/
}
function handle_post()
{
# CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
$this->show_form(_('There was a problem with your session token. Try again, please.'));
return;
}
if ($this->arg('save')) {
$this->save_preferences();
} else if ($this->arg('add')) {
$this->add_twitter_acct();
} else if ($this->arg('remove')) {
$this->remove_twitter_acct();
} else {
$this->show_form(_('Unexpected form submission.'));
}
}
function add_twitter_acct()
{
$screen_name = $this->trimmed('twitter_username');
$password = $this->trimmed('twitter_password');
$noticesync = $this->boolean('noticesync');
$replysync = $this->boolean('replysync');
$friendsync = $this->boolean('friendsync');
if (!Validate::string($screen_name,
array( 'min_length' => 1,
'max_length' => 15,
'format' => VALIDATE_NUM . VALIDATE_ALPHA . '_'))) {
$this->show_form(
_('Username must have only numbers, upper- and lowercase letters, and underscore (_). 15 chars max.'));
return;
}
if (!$this->verify_credentials($screen_name, $password)) {
$this->show_form(_('Could not verify your Twitter credentials!'));
return;
}
$twit_user = twitter_user_info($screen_name, $password);
if (!$twit_user) {
$this->show_form(sprintf(_('Unable to retrieve account information for "%s" from Twitter.'),
$screen_name));
return;
}
if (!save_twitter_user($twit_user->id, $screen_name)) {
$this->show_form(_('Unable to save your Twitter settings!'));
return;
}
$user = common_current_user();
$flink = DB_DataObject::factory('foreign_link');
$flink->user_id = $user->id;
$flink->foreign_id = $twit_user->id;
$flink->service = 1; // Twitter
$flink->credentials = $password;
$flink->created = common_sql_now();
$this->set_flags($flink, $noticesync, $replysync, $friendsync);
$flink_id = $flink->insert();
if (!$flink_id) {
common_log_db_error($flink, 'INSERT', __FILE__);
$this->show_form(_('Unable to save your Twitter settings!'));
return;
}
if ($friendsync) {
save_twitter_friends($user, $twit_user->id, $screen_name, $password);
}
$this->show_form(_('Twitter settings saved.'), true);
}
function remove_twitter_acct()
{
$user = common_current_user();
$flink = Foreign_link::getByUserID($user->id, 1);
$flink_foreign_id = $this->arg('flink_foreign_id');
# Maybe an old tab open...?
if ($flink->foreign_id != $flink_foreign_id) {
$this->show_form(_('That is not your Twitter account.'));
return;
}
$result = $flink->delete();
if (!$result) {
common_log_db_error($flink, 'DELETE', __FILE__);
common_server_error(_('Couldn\'t remove Twitter user.'));
return;
}
$this->show_form(_('Twitter account removed.'), true);
}
function save_preferences()
{
$noticesync = $this->boolean('noticesync');
$friendsync = $this->boolean('friendsync');
$replysync = $this->boolean('replysync');
$user = common_current_user();
$flink = Foreign_link::getByUserID($user->id, 1);
if (!$flink) {
common_log_db_error($flink, 'SELECT', __FILE__);
$this->show_form(_('Couldn\'t save Twitter preferences.'));
return;
}
$twitter_id = $flink->foreign_id;
$password = $flink->credentials;
$fuser = $flink->getForeignUser();
if (!$fuser) {
common_log_db_error($fuser, 'SELECT', __FILE__);
$this->show_form(_('Couldn\'t save Twitter preferences.'));
return;
}
$screen_name = $fuser->nickname;
$original = clone($flink);
$this->set_flags($flink, $noticesync, $replysync, $friendsync);
$result = $flink->update($original);
if ($result === false) {
common_log_db_error($flink, 'UPDATE', __FILE__);
$this->show_form(_('Couldn\'t save Twitter preferences.'));
return;
}
if ($friendsync) {
save_twitter_friends($user, $flink->foreign_id, $screen_name, $password);
}
$this->show_form(_('Twitter preferences saved.'));
}
function verify_credentials($screen_name, $password)
{
$uri = 'http://twitter.com/account/verify_credentials.json';
$data = get_twitter_data($uri, $screen_name, $password);
if (!$data) {
return false;
}
$user = json_decode($data);
if (!$user) {
return false;
}
$twitter_id = $user->status->id;
if ($twitter_id) {
return $twitter_id;
}
return false;
}
function set_flags(&$flink, $noticesync, $replysync, $friendsync)
{
if ($noticesync) {
$flink->noticesync |= FOREIGN_NOTICE_SEND;
} else {
$flink->noticesync &= ~FOREIGN_NOTICE_SEND;
}
if ($replysync) {
$flink->noticesync |= FOREIGN_NOTICE_SEND_REPLY;
} else {
$flink->noticesync &= ~FOREIGN_NOTICE_SEND_REPLY;
}
if ($friendsync) {
$flink->friendsync |= FOREIGN_FRIEND_RECV;
} else {
$flink->friendsync &= ~FOREIGN_FRIEND_RECV;
}
$flink->profilesync = 0;
}
}