forked from GNUsocial/gnu-social
632 lines
20 KiB
PHP
632 lines
20 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* Superclass for plugins that do instant messaging
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* LICENCE: 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/>.
|
|
*
|
|
* @category Plugin
|
|
* @package StatusNet
|
|
* @author Craig Andrews <candrews@integralblue.com>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
if (!defined('STATUSNET') && !defined('LACONICA')) {
|
|
exit(1);
|
|
}
|
|
|
|
/**
|
|
* Superclass for plugins that do authentication
|
|
*
|
|
* Implementations will likely want to override onStartIoManagerClasses() so that their
|
|
* IO manager is used
|
|
*
|
|
* @category Plugin
|
|
* @package StatusNet
|
|
* @author Craig Andrews <candrews@integralblue.com>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
abstract class ImPlugin extends Plugin
|
|
{
|
|
//name of this IM transport
|
|
public $transport = null;
|
|
//list of screennames that should get all public notices
|
|
public $public = array();
|
|
|
|
/**
|
|
* normalize a screenname for comparison
|
|
*
|
|
* @param string $screenname screenname to normalize
|
|
*
|
|
* @return string an equivalent screenname in normalized form
|
|
*/
|
|
abstract function normalize($screenname);
|
|
|
|
|
|
/**
|
|
* validate (ensure the validity of) a screenname
|
|
*
|
|
* @param string $screenname screenname to validate
|
|
*
|
|
* @return boolean
|
|
*/
|
|
abstract function validate($screenname);
|
|
|
|
/**
|
|
* get the internationalized/translated display name of this IM service
|
|
*
|
|
* @return string
|
|
*/
|
|
abstract function getDisplayName();
|
|
|
|
/**
|
|
* send a single notice to a given screenname
|
|
* The implementation should put raw data, ready to send, into the outgoing
|
|
* queue using enqueue_outgoing_raw()
|
|
*
|
|
* @param string $screenname screenname to send to
|
|
* @param Notice $notice notice to send
|
|
*
|
|
* @return boolean success value
|
|
*/
|
|
function sendNotice($screenname, $notice)
|
|
{
|
|
return $this->sendMessage($screenname, $this->format_notice($notice));
|
|
}
|
|
|
|
/**
|
|
* send a message (text) to a given screenname
|
|
* The implementation should put raw data, ready to send, into the outgoing
|
|
* queue using enqueue_outgoing_raw()
|
|
*
|
|
* @param string $screenname screenname to send to
|
|
* @param Notice $body text to send
|
|
*
|
|
* @return boolean success value
|
|
*/
|
|
abstract function sendMessage($screenname, $body);
|
|
|
|
/**
|
|
* receive a raw message
|
|
* Raw IM data is taken from the incoming queue, and passed to this function.
|
|
* It should parse the raw message and call handle_incoming()
|
|
*
|
|
* Returning false may CAUSE REPROCESSING OF THE QUEUE ITEM, and should
|
|
* be used for temporary failures only. For permanent failures such as
|
|
* unrecognized addresses, return true to indicate your processing has
|
|
* completed.
|
|
*
|
|
* @param object $data raw IM data
|
|
*
|
|
* @return boolean true if processing completed, false for temporary failures
|
|
*/
|
|
abstract function receiveRawMessage($data);
|
|
|
|
/**
|
|
* get the screenname of the daemon that sends and receives message for this service
|
|
*
|
|
* @return string screenname of this plugin
|
|
*/
|
|
abstract function daemonScreenname();
|
|
|
|
/**
|
|
* get the microid uri of a given screenname
|
|
*
|
|
* @param string $screenname screenname
|
|
*
|
|
* @return string microid uri
|
|
*/
|
|
function microiduri($screenname)
|
|
{
|
|
return $this->transport . ':' . $screenname;
|
|
}
|
|
//========================UTILITY FUNCTIONS USEFUL TO IMPLEMENTATIONS - MISC ========================\
|
|
|
|
/**
|
|
* Put raw message data (ready to send) into the outgoing queue
|
|
*
|
|
* @param object $data
|
|
*/
|
|
function enqueue_outgoing_raw($data)
|
|
{
|
|
$qm = QueueManager::get();
|
|
$qm->enqueue($data, $this->transport . '-out');
|
|
}
|
|
|
|
/**
|
|
* Put raw message data (received, ready to be processed) into the incoming queue
|
|
*
|
|
* @param object $data
|
|
*/
|
|
function enqueue_incoming_raw($data)
|
|
{
|
|
$qm = QueueManager::get();
|
|
$qm->enqueue($data, $this->transport . '-in');
|
|
}
|
|
|
|
/**
|
|
* given a screenname, get the corresponding user
|
|
*
|
|
* @param string $screenname
|
|
*
|
|
* @return User user
|
|
*/
|
|
function get_user($screenname)
|
|
{
|
|
$user_im_prefs = $this->get_user_im_prefs_from_screenname($screenname);
|
|
if($user_im_prefs){
|
|
$user = User::staticGet('id', $user_im_prefs->user_id);
|
|
$user_im_prefs->free();
|
|
return $user;
|
|
}else{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* given a screenname, get the User_im_prefs object for this transport
|
|
*
|
|
* @param string $screenname
|
|
*
|
|
* @return User_im_prefs user_im_prefs
|
|
*/
|
|
function get_user_im_prefs_from_screenname($screenname)
|
|
{
|
|
$user_im_prefs = User_im_prefs::pkeyGet(
|
|
array('transport' => $this->transport,
|
|
'screenname' => $this->normalize($screenname)));
|
|
if ($user_im_prefs) {
|
|
return $user_im_prefs;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* given a User, get their screenname
|
|
*
|
|
* @param User $user
|
|
*
|
|
* @return string screenname of that user
|
|
*/
|
|
function get_screenname($user)
|
|
{
|
|
$user_im_prefs = $this->get_user_im_prefs_from_user($user);
|
|
if ($user_im_prefs) {
|
|
return $user_im_prefs->screenname;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* given a User, get their User_im_prefs
|
|
*
|
|
* @param User $user
|
|
*
|
|
* @return User_im_prefs user_im_prefs of that user
|
|
*/
|
|
function get_user_im_prefs_from_user($user)
|
|
{
|
|
$user_im_prefs = User_im_prefs::pkeyGet(
|
|
array('transport' => $this->transport,
|
|
'user_id' => $user->id));
|
|
if ($user_im_prefs){
|
|
return $user_im_prefs;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
//========================UTILITY FUNCTIONS USEFUL TO IMPLEMENTATIONS - SENDING ========================\
|
|
/**
|
|
* Send a message to a given screenname from the site
|
|
*
|
|
* @param string $screenname screenname to send the message to
|
|
* @param string $msg message contents to send
|
|
*
|
|
* @param boolean success
|
|
*/
|
|
protected function send_from_site($screenname, $msg)
|
|
{
|
|
$text = '['.common_config('site', 'name') . '] ' . $msg;
|
|
$this->sendMessage($screenname, $text);
|
|
}
|
|
|
|
/**
|
|
* send a confirmation code to a user
|
|
*
|
|
* @param string $screenname screenname sending to
|
|
* @param string $code the confirmation code
|
|
* @param User $user user sending to
|
|
*
|
|
* @return boolean success value
|
|
*/
|
|
function send_confirmation_code($screenname, $code, $user)
|
|
{
|
|
$body = sprintf(_('User "%s" on %s has said that your %s screenname belongs to them. ' .
|
|
'If that\'s true, you can confirm by clicking on this URL: ' .
|
|
'%s' .
|
|
' . (If you cannot click it, copy-and-paste it into the ' .
|
|
'address bar of your browser). If that user isn\'t you, ' .
|
|
'or if you didn\'t request this confirmation, just ignore this message.'),
|
|
$user->nickname, common_config('site', 'name'), $this->getDisplayName(), common_local_url('confirmaddress', array('code' => $code)));
|
|
|
|
return $this->sendMessage($screenname, $body);
|
|
}
|
|
|
|
/**
|
|
* send a notice to all public listeners
|
|
*
|
|
* For notices that are generated on the local system (by users), we can optionally
|
|
* forward them to remote listeners by XMPP.
|
|
*
|
|
* @param Notice $notice notice to broadcast
|
|
*
|
|
* @return boolean success flag
|
|
*/
|
|
|
|
function public_notice($notice)
|
|
{
|
|
// Now, users who want everything
|
|
|
|
// FIXME PRIV don't send out private messages here
|
|
// XXX: should we send out non-local messages if public,localonly
|
|
// = false? I think not
|
|
|
|
foreach ($this->public as $screenname) {
|
|
common_log(LOG_INFO,
|
|
'Sending notice ' . $notice->id .
|
|
' to public listener ' . $screenname,
|
|
__FILE__);
|
|
$this->sendNotice($screenname, $notice);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* broadcast a notice to all subscribers and reply recipients
|
|
*
|
|
* This function will send a notice to all subscribers on the local server
|
|
* who have IM addresses, and have IM notification enabled, and
|
|
* have this subscription enabled for IM. It also sends the notice to
|
|
* all recipients of @-replies who have IM addresses and IM notification
|
|
* enabled. This is really the heart of IM distribution in StatusNet.
|
|
*
|
|
* @param Notice $notice The notice to broadcast
|
|
*
|
|
* @return boolean success flag
|
|
*/
|
|
|
|
function broadcast_notice($notice)
|
|
{
|
|
|
|
$ni = $notice->whoGets();
|
|
|
|
foreach ($ni as $user_id => $reason) {
|
|
$user = User::staticGet($user_id);
|
|
if (empty($user)) {
|
|
// either not a local user, or just not found
|
|
continue;
|
|
}
|
|
$user_im_prefs = $this->get_user_im_prefs_from_user($user);
|
|
if(!$user_im_prefs || !$user_im_prefs->notify){
|
|
continue;
|
|
}
|
|
|
|
switch ($reason) {
|
|
case NOTICE_INBOX_SOURCE_REPLY:
|
|
if (!$user_im_prefs->replies) {
|
|
continue 2;
|
|
}
|
|
break;
|
|
case NOTICE_INBOX_SOURCE_SUB:
|
|
$sub = Subscription::pkeyGet(array('subscriber' => $user->id,
|
|
'subscribed' => $notice->profile_id));
|
|
if (empty($sub) || !$sub->jabber) {
|
|
continue 2;
|
|
}
|
|
break;
|
|
case NOTICE_INBOX_SOURCE_GROUP:
|
|
break;
|
|
default:
|
|
throw new Exception(sprintf(_("Unknown inbox source %d."), $reason));
|
|
}
|
|
|
|
common_log(LOG_INFO,
|
|
'Sending notice ' . $notice->id . ' to ' . $user_im_prefs->screenname,
|
|
__FILE__);
|
|
$this->sendNotice($user_im_prefs->screenname, $notice);
|
|
$user_im_prefs->free();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* makes a plain-text formatted version of a notice, suitable for IM distribution
|
|
*
|
|
* @param Notice $notice notice being sent
|
|
*
|
|
* @return string plain-text version of the notice, with user nickname prefixed
|
|
*/
|
|
|
|
function format_notice($notice)
|
|
{
|
|
$profile = $notice->getProfile();
|
|
return $profile->nickname . ': ' . $notice->content . ' [' . $notice->id . ']';
|
|
}
|
|
//========================UTILITY FUNCTIONS USEFUL TO IMPLEMENTATIONS - RECEIVING ========================\
|
|
|
|
/**
|
|
* Attempt to handle a message as a command
|
|
* @param User $user user the message is from
|
|
* @param string $body message text
|
|
* @return boolean true if the message was a command and was executed, false if it was not a command
|
|
*/
|
|
protected function handle_command($user, $body)
|
|
{
|
|
$inter = new CommandInterpreter();
|
|
$cmd = $inter->handle_command($user, $body);
|
|
if ($cmd) {
|
|
$chan = new IMChannel($this);
|
|
$cmd->execute($chan);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Is some text an autoreply message?
|
|
* @param string $txt message text
|
|
* @return boolean true if autoreply
|
|
*/
|
|
protected function is_autoreply($txt)
|
|
{
|
|
if (preg_match('/[\[\(]?[Aa]uto[-\s]?[Rr]e(ply|sponse)[\]\)]/', $txt)) {
|
|
return true;
|
|
} else if (preg_match('/^System: Message wasn\'t delivered. Offline storage size was exceeded.$/', $txt)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Is some text an OTR message?
|
|
* @param string $txt message text
|
|
* @return boolean true if OTR
|
|
*/
|
|
protected function is_otr($txt)
|
|
{
|
|
if (preg_match('/^\?OTR/', $txt)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper for handling incoming messages
|
|
* Your incoming message handler will probably want to call this function
|
|
*
|
|
* @param string $from screenname the message was sent from
|
|
* @param string $message message contents
|
|
*
|
|
* @param boolean success
|
|
*/
|
|
protected function handle_incoming($from, $notice_text)
|
|
{
|
|
$user = $this->get_user($from);
|
|
// For common_current_user to work
|
|
global $_cur;
|
|
$_cur = $user;
|
|
|
|
if (!$user) {
|
|
$this->send_from_site($from, 'Unknown user; go to ' .
|
|
common_local_url('imsettings') .
|
|
' to add your address to your account');
|
|
common_log(LOG_WARNING, 'Message from unknown user ' . $from);
|
|
return;
|
|
}
|
|
if ($this->handle_command($user, $notice_text)) {
|
|
common_log(LOG_INFO, "Command message by $from handled.");
|
|
return;
|
|
} else if ($this->is_autoreply($notice_text)) {
|
|
common_log(LOG_INFO, 'Ignoring auto reply from ' . $from);
|
|
return;
|
|
} else if ($this->is_otr($notice_text)) {
|
|
common_log(LOG_INFO, 'Ignoring OTR from ' . $from);
|
|
return;
|
|
} else {
|
|
|
|
common_log(LOG_INFO, 'Posting a notice from ' . $user->nickname);
|
|
|
|
$this->add_notice($from, $user, $notice_text);
|
|
}
|
|
|
|
$user->free();
|
|
unset($user);
|
|
unset($_cur);
|
|
unset($message);
|
|
}
|
|
|
|
/**
|
|
* Helper for handling incoming messages
|
|
* Your incoming message handler will probably want to call this function
|
|
*
|
|
* @param string $from screenname the message was sent from
|
|
* @param string $message message contents
|
|
*
|
|
* @param boolean success
|
|
*/
|
|
protected function add_notice($screenname, $user, $body)
|
|
{
|
|
$body = trim(strip_tags($body));
|
|
$content_shortened = common_shorten_links($body);
|
|
if (Notice::contentTooLong($content_shortened)) {
|
|
$this->send_from_site($screenname, sprintf(_('Message too long - maximum is %1$d characters, you sent %2$d.'),
|
|
Notice::maxContent(),
|
|
mb_strlen($content_shortened)));
|
|
return;
|
|
}
|
|
|
|
try {
|
|
$notice = Notice::saveNew($user->id, $content_shortened, $this->transport);
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
$this->send_from_site($from, $e->getMessage());
|
|
return;
|
|
}
|
|
|
|
common_broadcast_notice($notice);
|
|
common_log(LOG_INFO,
|
|
'Added notice ' . $notice->id . ' from user ' . $user->nickname);
|
|
$notice->free();
|
|
unset($notice);
|
|
}
|
|
|
|
//========================EVENT HANDLERS========================\
|
|
|
|
/**
|
|
* Register notice queue handler
|
|
*
|
|
* @param QueueManager $manager
|
|
*
|
|
* @return boolean hook return
|
|
*/
|
|
function onEndInitializeQueueManager($manager)
|
|
{
|
|
$manager->connect($this->transport . '-in', new ImReceiverQueueHandler($this), 'im');
|
|
$manager->connect($this->transport, new ImQueueHandler($this));
|
|
$manager->connect($this->transport . '-out', new ImSenderQueueHandler($this), 'im');
|
|
return true;
|
|
}
|
|
|
|
function onStartImDaemonIoManagers(&$classes)
|
|
{
|
|
//$classes[] = new ImManager($this); // handles sending/receiving/pings/reconnects
|
|
return true;
|
|
}
|
|
|
|
function onStartEnqueueNotice($notice, &$transports)
|
|
{
|
|
$profile = Profile::staticGet($notice->profile_id);
|
|
|
|
if (!$profile) {
|
|
common_log(LOG_WARNING, 'Refusing to broadcast notice with ' .
|
|
'unknown profile ' . common_log_objstring($notice),
|
|
__FILE__);
|
|
}else{
|
|
$transports[] = $this->transport;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function onEndShowHeadElements($action)
|
|
{
|
|
$aname = $action->trimmed('action');
|
|
|
|
if ($aname == 'shownotice') {
|
|
|
|
$user_im_prefs = new User_im_prefs();
|
|
$user_im_prefs->user_id = $action->profile->id;
|
|
$user_im_prefs->transport = $this->transport;
|
|
|
|
if ($user_im_prefs->find() && $user_im_prefs->fetch() && $user_im_prefs->microid && $action->notice->uri) {
|
|
$id = new Microid($this->microiduri($user_im_prefs->screenname),
|
|
$action->notice->uri);
|
|
$action->element('meta', array('name' => 'microid',
|
|
'content' => $id->toString()));
|
|
}
|
|
|
|
} else if ($aname == 'showstream') {
|
|
|
|
$user_im_prefs = new User_im_prefs();
|
|
$user_im_prefs->user_id = $action->user->id;
|
|
$user_im_prefs->transport = $this->transport;
|
|
|
|
if ($user_im_prefs->find() && $user_im_prefs->fetch() && $user_im_prefs->microid && $action->profile->profileurl) {
|
|
$id = new Microid($this->microiduri($user_im_prefs->screenname),
|
|
$action->selfUrl());
|
|
$action->element('meta', array('name' => 'microid',
|
|
'content' => $id->toString()));
|
|
}
|
|
}
|
|
}
|
|
|
|
function onNormalizeImScreenname($transport, &$screenname)
|
|
{
|
|
if($transport == $this->transport)
|
|
{
|
|
$screenname = $this->normalize($screenname);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function onValidateImScreenname($transport, $screenname, &$valid)
|
|
{
|
|
if($transport == $this->transport)
|
|
{
|
|
$valid = $this->validate($screenname);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function onGetImTransports(&$transports)
|
|
{
|
|
$transports[$this->transport] = array(
|
|
'display' => $this->getDisplayName(),
|
|
'daemonScreenname' => $this->daemonScreenname());
|
|
}
|
|
|
|
function onSendImConfirmationCode($transport, $screenname, $code, $user)
|
|
{
|
|
if($transport == $this->transport)
|
|
{
|
|
$this->send_confirmation_code($screenname, $code, $user);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function onUserDeleteRelated($user, &$tables)
|
|
{
|
|
$tables[] = 'User_im_prefs';
|
|
return true;
|
|
}
|
|
|
|
function initialize()
|
|
{
|
|
if( ! common_config('queue', 'enabled'))
|
|
{
|
|
throw new ServerException("Queueing must be enabled to use IM plugins");
|
|
}
|
|
|
|
if(is_null($this->transport)){
|
|
throw new ServerException('transport cannot be null');
|
|
}
|
|
}
|
|
}
|