gnu-social/actions/twittersettings.php
zach 41b8c91c6b trac685 Twitter bridge - Sync Twitter friends
darcs-hash:20081117024624-462f3-91f148111c2c43ddd302fc63cfa8c8ef14e1f38e.gz
2008-11-16 21:46:24 -05:00

564 lines
14 KiB
PHP

<?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 {
var $twit_id;
var $twit_username;
var $twit_password;
var $friends_count = 0;
var $noticesync;
var $repliessync;
var $friendsync;
function get_instructions() {
return _('Add your Twitter account to automatically send your notices to Twitter, ' .
'and subscribe to Twitter friends already here.');
}
function show_form($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', $flink->foreign_id);
common_element_end('p');
common_submit('remove', _('Remove'));
} else {
common_input('twitter_username', _('Twitter Username'),
($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) ? ($flink->friendsync & FOREIGN_FRIEND_RECV) : true);
if ($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()) {
$users[] = clone($user);
}
return $users;
}
function show_twitter_subscriptions() {
common_debug('show twitter subs');
$friends = $this->subscribed_twitter_users();
$friends_count = count($friends);
common_debug("friends count = $friends_count");
if ($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() {
$this->twit_username = $this->trimmed('twitter_username');
$this->twit_password = $this->trimmed('twitter_password');
$this->noticesync = $this->boolean('noticesync');
$this->replysync = $this->boolean('replysync');
$this->friendsync = $this->boolean('friendsync');
if (!Validate::string($this->twit_username, array('min_length' => 1,
'max_length' => 15,
'format' => VALIDATE_NUM . VALIDATE_ALPHA . '_'))) {
$this->show_form(_('Username must have only numbers, upper- and lowercase letters, and underscore (_). 15 chars max.'));
return;
}
// Verify this is a real Twitter user.
if (!$this->verify_credentials()) {
$this->show_form(_('Could not verify your Twitter credentials!'));
return;
}
if (!$this->twitter_user_info()) {
$this->show_form(sprintf(_('Unable to retrieve account information for "%s" from Twitter.'),
$twitter_username));
return;
}
$fuser_id = $this->update_twitter_user($this->twit_id, $this->twit_username);
if (!$fuser_id) {
$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 = $fuser_id;
$flink->service = 1; // Twitter
$flink->credentials = $this->twit_password;
$flink->created = common_sql_now();
$this->set_flags($flink, $this->noticesync, $this->replysync, $this->friendsync);
$flink_id = $flink->insert();
if (!$flink_id) {
common_log_db_error($flink, 'INSERT', __FILE__);
$this->show_form(_('Unable to save your Twitter settings!'));
return;
}
if ($this->friendsync) {
$this->save_friends();
}
$this->show_form(_('Twitter settings saved.'), true);
}
function remove_twitter_acct() {
$user = common_current_user();
// For now we assume one Twitter acct per Laconica acct
$flink = Foreign_link::getByUserID($user->id, 1);
$flink_foreign_id = $this->arg('flink_foreign_id');
if (!$flink) {
common_debug("couldn't get flink");
}
# Maybe an old tab open...?
if ($flink->foreign_id != $flink_foreign_id) {
common_debug("flink user_id = " . $flink->user_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() {
$this->noticesync = $this->boolean('noticesync');
$this->friendsync = $this->boolean('friendsync');
$this->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;
}
$this->twit_id = $flink->foreign_id;
$this->twit_password = $flink->credentials;
$fuser = $flink->getForeignUser();
if (!$fuser) {
common_log_db_error($fuser, 'SELECT', __FILE__);
$this->show_form(_('Couldn\'t save Twitter preferences.'));
return;
}
$this->twit_username = $fuser->nickname;
$original = clone($flink);
$this->set_flags($flink, $this->noticesync, $this->replysync, $this->friendsync);
$result = $flink->update($original);
if ($result === FALSE) {
common_log_db_error($flink, 'UPDATE', __FILE__);
$this->show_form(_('Couldn\'t save Twitter preferences.'));
return;
}
if ($this->friendsync) {
$this->save_friends();
}
$this->show_form(_('Twitter preferences saved.'));
}
function twitter_user_info() {
$uri = "http://twitter.com/users/show/$this->twit_username.json";
$data = $this->get_twitter_data($uri);
if (!$data) {
return false;
}
$twit_user = json_decode($data);
if (!$twit_user) {
return false;
}
$this->friends_count = $twit_user->friends_count;
$this->twit_id = $twit_user->id;
common_debug("Twitter_id = $this->twit_id");
common_debug("Friends_count = $this->friends_count");
return true;
}
function verify_credentials() {
$uri = 'http://twitter.com/account/verify_credentials.json';
$data = $this->get_twitter_data($uri);
if (!$data) {
return false;
}
$creds = json_decode($data);
if (!$creds) {
return false;
}
if ($creds->authorized == 1) {
return true;
}
return false;
}
function get_twitter_data($uri) {
$options = array(
CURLOPT_USERPWD => sprintf("%s:%s", $this->twit_username, $this->twit_password),
CURLOPT_RETURNTRANSFER => true,
CURLOPT_FAILONERROR => true,
CURLOPT_HEADER => false,
CURLOPT_FOLLOWLOCATION => true,
// CURLOPT_USERAGENT => "identi.ca",
CURLOPT_CONNECTTIMEOUT => 120,
CURLOPT_TIMEOUT => 120
);
$ch = curl_init($uri);
curl_setopt_array($ch, $options);
$data = curl_exec($ch);
$errmsg = curl_error($ch);
if ($errmsg) {
common_debug("cURL error: $errmsg - trying to load: $uri with user $this->twit_user.",
__FILE__);
}
curl_close($ch);
return $data;
}
function set_flags(&$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; // XXX: leave as default?
}
function save_friends() {
$uri = 'http://twitter.com/statuses/friends.json?page=';
$this->twitter_user_info();
// Calculate how many pages to get...
$pages = ceil($this->friends_count / 100);
common_debug("number of pages to get: $pages");
$friends = array();
for ($i = 1; $i <= $pages; $i++) {
$data = $this->get_twitter_data($uri . $i);
common_debug("fetching " . $uri . $i);
if (!$data) {
return false;
}
common_debug("got data");
$more_friends = json_decode($data);
if (!$more_friends) {
return false;
}
$friends = array_merge($friends, $more_friends);
}
common_debug("number of friends =" + count($friends));
$user = common_current_user();
foreach ($friends as $friend) {
$friend_name = $friend->screen_name;
$friend_id = $friend->id;
// Update or create the Foreign_user record
$this->update_twitter_user($friend_id, $friend_name);
// Check to see if there's a related local user
$flink = Foreign_link::getByForeignID($friend_id, 1);
if ($flink) {
// Get associated user
$friend_user = User::staticGet('id', $flink->user_id);
subs_subscribe_to($user, $friend_user);
}
}
}
// Creates or Updates a Twitter user
function update_twitter_user($twitter_id, $screen_name) {
$fuser = null;
$uri = "http://twitter.com/$screen_name";
// Check to see whether the Twitter user is already in the system,
// and update its screen name and uri if so.
$fuser = Foreign_User::getForeignUser($twitter_id, 1);
if ($fuser) {
// Only update if Twitter screen name has changed
if ($fuser->nickname != $screen_name) {
$original = clone($fuser);
$fuser->nickname = $screen_name;
$fuser->uri = $uri;
$result = $fuser->updateKeys($original);
if (!$result) {
common_log_db_error($fuser, 'UPDATE', __FILE__);
return null;
}
common_debug(
sprintf('Updated Twitter user %, screen name was: %, now: %s.',
$twitter_id, $original->nickname, $screen_name));
}
common_debug("No update for $screen_name needed.");
} else {
// Otherwise, create a new Twitter user
$fuser = DB_DataObject::factory('foreign_user');
$fuser->nickname = $screen_name;
$fuser->uri = $uri;
$fuser->id = $twitter_id;
$fuser->service = 1; // Twitter
$fuser->created = common_sql_now();
$result = $fuser->insert();
if (!$result) {
common_debug("Failed to add new Twitter user: $twitter_id - $screen_name.");
common_log_db_error($fuser, 'INSERT', __FILE__);
return null;
}
common_debug("Added new Twitter user: $twitter_id - $screen_name.");
// common_debug(print_r($friend, true));
}
return $fuser->id;
}
}