gnu-social/actions/imsettings.php

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<?php
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/**
* StatusNet, the distributed open-source microblogging tool
*
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* Settings for Jabber/XMPP integration
*
* 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/>.
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*
* @category Settings
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2008-2009 StatusNet, 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://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
}
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/**
* Settings for Jabber/XMPP integration
*
* @category Settings
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
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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://status.net/
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*
* @see SettingsAction
*/
class ImsettingsAction extends ConnectSettingsAction
{
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/**
* Title of the page
*
* @return string Title of the page
*/
function title()
{
return _('IM settings');
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}
/**
* Instructions for use
*
* @return instructions for use
*/
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function getInstructions()
{
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return _('You can send and receive notices through '.
'instant messaging [instant messages](%%doc.im%%). '.
'Configure your addresses and settings below.');
}
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/**
* Content area of the page
*
* We make different sections of the form for the different kinds of
* functions, and have submit buttons with different names. These
* are muxed by handlePost() to see what the user really wants to do.
*
* @return void
*/
function showContent()
{
$transports = array();
Event::handle('GetImTransports', array(&$transports));
if (! $transports) {
$this->element('div', array('class' => 'error'),
_('IM is not available.'));
return;
}
$user = common_current_user();
$user_im_prefs_by_transport = array();
foreach($transports as $transport=>$transport_info)
{
$this->elementStart('form', array('method' => 'post',
'id' => 'form_settings_im',
'class' => 'form_settings',
'action' =>
common_local_url('imsettings')));
$this->elementStart('fieldset', array('id' => 'settings_im_address'));
$this->element('legend', null, $transport_info['display']);
$this->hidden('token', common_session_token());
$this->hidden('transport', $transport);
if ($user_im_prefs = User_im_prefs::pkeyGet( array('transport' => $transport, 'user_id' => $user->id) )) {
$user_im_prefs_by_transport[$transport] = $user_im_prefs;
$this->element('p', 'form_confirmed', $user_im_prefs->screenname);
$this->element('p', 'form_note',
sprintf(_('Current confirmed %s address.'),$transport_info['display']));
$this->hidden('screenname', $user_im_prefs->screenname);
$this->submit('remove', _('Remove'));
} else {
$confirm = $this->getConfirmation($transport);
if ($confirm) {
$this->element('p', 'form_unconfirmed', $confirm->address);
$this->element('p', 'form_note',
sprintf(_('Awaiting confirmation on this address. '.
'Check your %s account for a '.
'message with further instructions.'),
$transport_info['display']));
$this->hidden('screenname', $confirm->address);
$this->submit('cancel', _('Cancel'));
} else {
$this->elementStart('ul', 'form_data');
$this->elementStart('li');
$this->input('screenname', _('IM address'),
($this->arg('screenname')) ? $this->arg('screenname') : null,
sprintf(_('%s screenname.'),
$transport_info['display']));
$this->elementEnd('li');
$this->elementEnd('ul');
$this->submit('add', _('Add'));
}
}
$this->elementEnd('fieldset');
$this->elementEnd('form');
}
if($user_im_prefs_by_transport)
{
$this->elementStart('form', array('method' => 'post',
'id' => 'form_settings_im',
'class' => 'form_settings',
'action' =>
common_local_url('imsettings')));
$this->elementStart('fieldset', array('id' => 'settings_im_preferences'));
$this->element('legend', null, _('Preferences'));
$this->hidden('token', common_session_token());
$this->elementStart('table');
$this->elementStart('tr');
$this->element('th', null, _('Preferences'));
foreach($user_im_prefs_by_transport as $transport=>$user_im_prefs)
{
$this->element('th', null, $transports[$transport]['display']);
}
$this->elementEnd('tr');
$preferences = array(
array('name'=>'notify', 'description'=>_('Send me notices')),
array('name'=>'updatefrompresence', 'description'=>_('Post a notice when my status changes.')),
array('name'=>'replies', 'description'=>_('Send me replies '.
'from people I\'m not subscribed to.')),
array('name'=>'microid', 'description'=>_('Publish a MicroID'))
);
foreach($preferences as $preference)
{
$this->elementStart('tr');
foreach($user_im_prefs_by_transport as $transport=>$user_im_prefs)
{
$preference_name = $preference['name'];
$this->elementStart('td');
$this->checkbox($transport . '_' . $preference['name'],
$preference['description'],
$user_im_prefs->$preference_name);
$this->elementEnd('td');
}
$this->elementEnd('tr');
}
$this->elementEnd('table');
$this->submit('save', _('Save'));
$this->elementEnd('fieldset');
$this->elementEnd('form');
}
}
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/**
* Get a confirmation code for this user
*
* @return Confirm_address address object for this user
*/
function getConfirmation($transport)
{
$user = common_current_user();
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$confirm = new Confirm_address();
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$confirm->user_id = $user->id;
$confirm->address_type = $transport;
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if ($confirm->find(true)) {
return $confirm;
} else {
return null;
}
}
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/**
* Handle posts to this form
*
* Based on the button that was pressed, muxes out to other functions
* to do the actual task requested.
*
* All sub-functions reload the form with a message -- success or failure.
*
* @return void
*/
function handlePost()
{
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// CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
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$this->showForm(_('There was a problem with your session token. '.
'Try again, please.'));
return;
}
if ($this->arg('save')) {
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$this->savePreferences();
} else if ($this->arg('add')) {
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$this->addAddress();
} else if ($this->arg('cancel')) {
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$this->cancelConfirmation();
} else if ($this->arg('remove')) {
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$this->removeAddress();
} else {
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$this->showForm(_('Unexpected form submission.'));
}
}
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/**
* Save user's Jabber preferences
*
* These are the checkboxes at the bottom of the page. They're used to
* set different settings
*
* @return void
*/
function savePreferences()
{
$user = common_current_user();
$user_im_prefs = new User_im_prefs();
$user_im_prefs->user_id = $user->id;
if($user_im_prefs->find() && $user_im_prefs->fetch())
{
$preferences = array('notify', 'updatefrompresence', 'replies', 'microid');
$user_im_prefs->query('BEGIN');
do
{
$original = clone($user_im_prefs);
foreach($preferences as $preference)
{
$user_im_prefs->$preference = $this->boolean($user_im_prefs->transport . '_' . $preference);
}
$result = $user_im_prefs->update($original);
if ($result === false) {
common_log_db_error($user, 'UPDATE', __FILE__);
$this->serverError(_('Couldn\'t update IM preferences.'));
return;
}
}while($user_im_prefs->fetch());
$user_im_prefs->query('COMMIT');
}
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$this->showForm(_('Preferences saved.'), true);
}
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/**
* Sends a confirmation to the address given
*
* Stores a confirmation record and sends out a
* message with the confirmation info.
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*
* @return void
*/
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function addAddress()
{
$user = common_current_user();
$screenname = $this->trimmed('screenname');
$transport = $this->trimmed('transport');
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// Some validation
if (!$screenname) {
$this->showForm(_('No screenname.'));
return;
}
if (!$transport) {
$this->showForm(_('No transport.'));
return;
}
Event::handle('NormalizeImScreenname', array($transport, &$screenname));
if (!$screenname) {
$this->showForm(_('Cannot normalize that screenname'));
return;
}
$valid = false;
Event::handle('ValidateImScreenname', array($transport, $screenname, &$valid));
if (!$valid) {
$this->showForm(_('Not a valid screenname'));
return;
} else if ($this->screennameExists($transport, $screenname)) {
$this->showForm(_('Screenname already belongs to another user.'));
return;
}
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$confirm = new Confirm_address();
$confirm->address = $screenname;
$confirm->address_type = $transport;
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$confirm->user_id = $user->id;
$confirm->code = common_confirmation_code(64);
XMPP queued output & initial retooling of DB queue manager to support non-Notice objects. Queue handlers for XMPP individual & firehose output now send their XML stanzas to another output queue instead of connecting directly to the chat server. This lets us have as many general processing threads as we need, while all actual XMPP input and output go through a single daemon with a single connection open. This avoids problems with multiple connected resources: * multiple windows shown in some chat clients (psi, gajim, kopete) * extra load on server * incoming message delivery forwarding issues Database changes: * queue_item drops 'notice_id' in favor of a 'frame' blob. This is based on Craig Andrews' work branch to generalize queues to take any object, but conservatively leaving out the serialization for now. Table updater (preserves any existing queued items) in db/rc3to09.sql Code changes to watch out for: * Queue handlers should now define a handle() method instead of handle_notice() * QueueDaemon and XmppDaemon now share common i/o (IoMaster) and respawning thread management (RespawningDaemon) infrastructure. * The polling XmppConfirmManager has been dropped, as the message is queued directly when saving IM settings. * Enable $config['queue']['debug_memory'] to output current memory usage at each run through the event loop to watch for memory leaks To do: * Adapt XMPP i/o to component connection mode for multi-site support. * XMPP input can also be broken out to a queue, which would allow the actual notice save etc to be handled by general queue threads. * Make sure there are no problems with simply pushing serialized Notice objects to queues. * Find a way to improve interactive performance of the database-backed queue handler; polling is pretty painful to XMPP. * Possibly redo the way QueueHandlers are injected into a QueueManager. The grouping used to split out the XMPP output queue is a bit awkward.
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$confirm->sent = common_sql_now();
$confirm->claimed = common_sql_now();
$result = $confirm->insert();
if ($result === false) {
common_log_db_error($confirm, 'INSERT', __FILE__);
$this->serverError(_('Couldn\'t insert confirmation code.'));
return;
}
Event::handle('SendImConfirmationCode', array($transport, $screenname, $confirm->code, $user));
$msg = _('A confirmation code was sent '.
'to the IM address you added.');
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$this->showForm($msg, true);
}
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/**
* Cancel a confirmation
*
* If a confirmation exists, cancel it.
*
* @return void
*/
function cancelConfirmation()
{
$screenname = $this->trimmed('screenname');
$transport = $this->trimmed('transport');
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$confirm = $this->getConfirmation($transport);
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if (!$confirm) {
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$this->showForm(_('No pending confirmation to cancel.'));
return;
}
if ($confirm->address != $screenname) {
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$this->showForm(_('That is the wrong IM address.'));
return;
}
$result = $confirm->delete();
if (!$result) {
common_log_db_error($confirm, 'DELETE', __FILE__);
$this->serverError(_('Couldn\'t delete confirmation.'));
return;
}
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$this->showForm(_('Confirmation cancelled.'), true);
}
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/**
* Remove an address
*
* If the user has a confirmed address, remove it.
*
* @return void
*/
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function removeAddress()
{
$user = common_current_user();
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$screenname = $this->trimmed('screenname');
$transport = $this->trimmed('transport');
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// Maybe an old tab open...?
$user_im_prefs = new User_im_prefs();
$user_im_prefs->user_id = $user->id;
if(! ($user_im_prefs->find() && $user_im_prefs->fetch())) {
$this->showForm(_('That is not your screenname.'));
return;
}
$result = $user_im_prefs->delete();
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if (!$result) {
common_log_db_error($user, 'UPDATE', __FILE__);
$this->serverError(_('Couldn\'t update user im prefs.'));
return;
}
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// XXX: unsubscribe to the old address
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$this->showForm(_('The address was removed.'), true);
}
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/**
* Does this screenname exist?
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*
* Checks if we already have another user with this address.
*
* @param string $transport Transport to check
* @param string $screenname Screenname to check
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*
* @return boolean whether the screenname exists
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*/
function screennameExists($transport, $screenname)
{
$user = common_current_user();
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$user_im_prefs = new User_im_prefs();
$user_im_prefs->transport = $transport;
$user_im_prefs->screenname = $screenname;
if($user_im_prefs->find() && $user_im_prefs->fetch()){
return true;
}else{
return false;
}
}
}