gnu-social/actions/imsettings.php

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<?php
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/**
* Laconica, 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 Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2008-2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
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if (!defined('LACONICA')) {
exit(1);
}
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require_once INSTALLDIR.'/lib/settingsaction.php';
require_once INSTALLDIR.'/lib/jabber.php';
/**
* Settings for Jabber/XMPP integration
*
* @category Settings
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*
* @see SettingsAction
*/
class ImsettingsAction extends SettingsAction
{
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/**
* Title of the page
*
* @return string Title of the page
*/
function title()
{
return _('IM Settings');
}
/**
* 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 '.
'Jabber/GTalk [instant messages](%%doc.im%%). '.
'Configure your address 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()
{
$user = common_current_user();
$this->elementStart('form', array('method' => 'post',
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'id' => 'imsettings',
'action' =>
common_local_url('imsettings')));
$this->hidden('token', common_session_token());
$this->element('h2', null, _('Address'));
if ($user->jabber) {
$this->elementStart('p');
$this->element('span', 'address confirmed', $user->jabber);
$this->element('span', 'input_instructions',
_('Current confirmed Jabber/GTalk address.'));
$this->hidden('jabber', $user->jabber);
$this->elementEnd('p');
$this->submit('remove', _('Remove'));
} else {
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$confirm = $this->getConfirmation();
if ($confirm) {
$this->elementStart('p');
$this->element('span', 'address unconfirmed', $confirm->address);
$this->element('span', 'input_instructions',
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sprintf(_('Awaiting confirmation on this address. '.
'Check your Jabber/GTalk account for a '.
'message with further instructions. '.
'(Did you add %s to your buddy list?)'),
jabber_daemon_address()));
$this->hidden('jabber', $confirm->address);
$this->elementEnd('p');
$this->submit('cancel', _('Cancel'));
} else {
$this->input('jabber', _('IM Address'),
($this->arg('jabber')) ? $this->arg('jabber') : null,
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sprintf(_('Jabber or GTalk address, '.
'like "UserName@example.org". '.
'First, make sure to add %s to your '.
'buddy list in your IM client or on GTalk.'),
jabber_daemon_address()));
$this->submit('add', _('Add'));
}
}
$this->element('h2', null, _('Preferences'));
$this->checkbox('jabbernotify',
_('Send me notices through Jabber/GTalk.'),
$user->jabbernotify);
$this->checkbox('updatefrompresence',
_('Post a notice when my Jabber/GTalk status changes.'),
$user->updatefrompresence);
$this->checkbox('jabberreplies',
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_('Send me replies through Jabber/GTalk '.
'from people I\'m not subscribed to.'),
$user->jabberreplies);
$this->checkbox('jabbermicroid',
_('Publish a MicroID for my Jabber/GTalk address.'),
$user->jabbermicroid);
$this->submit('save', _('Save'));
$this->elementEnd('form');
}
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/**
* Get a confirmation code for this user
*
* @return Confirm_address address object for this user
*/
function getConfirmation()
{
$user = common_current_user();
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$confirm = new Confirm_address();
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$confirm->user_id = $user->id;
$confirm->address_type = 'jabber';
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if ($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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$this->showForm(_('Unexpected form submission.'));
}
}
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/**
* Save user's Jabber preferences
*
* These are the checkboxes at the bottom of the page. They're used to
* set different settings
*
* @return void
*/
function savePreferences()
{
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$jabbernotify = $this->boolean('jabbernotify');
$updatefrompresence = $this->boolean('updatefrompresence');
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$jabberreplies = $this->boolean('jabberreplies');
$jabbermicroid = $this->boolean('jabbermicroid');
$user = common_current_user();
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assert(!is_null($user)); // should already be checked
$user->query('BEGIN');
$original = clone($user);
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$user->jabbernotify = $jabbernotify;
$user->updatefrompresence = $updatefrompresence;
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$user->jabberreplies = $jabberreplies;
$user->jabbermicroid = $jabbermicroid;
$result = $user->update($original);
if ($result === false) {
common_log_db_error($user, 'UPDATE', __FILE__);
$this->serverError(_('Couldn\'t update user.'));
return;
}
$user->query('COMMIT');
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$this->showForm(_('Preferences saved.'), true);
}
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/**
* Sends a confirmation to the address given
*
* Stores a confirmation record and sends out a
* Jabber message with the confirmation info.
*
* @return void
*/
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function addAddress()
{
$user = common_current_user();
$jabber = $this->trimmed('jabber');
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// Some validation
if (!$jabber) {
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$this->showForm(_('No Jabber ID.'));
return;
}
$jabber = jabber_normalize_jid($jabber);
if (!$jabber) {
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$this->showForm(_('Cannot normalize that Jabber ID'));
return;
}
if (!jabber_valid_base_jid($jabber)) {
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$this->showForm(_('Not a valid Jabber ID'));
return;
} else if ($user->jabber == $jabber) {
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$this->showForm(_('That is already your Jabber ID.'));
return;
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} else if ($this->jabberExists($jabber)) {
$this->showForm(_('Jabber ID already belongs to another user.'));
return;
}
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$confirm = new Confirm_address();
$confirm->address = $jabber;
$confirm->address_type = 'jabber';
$confirm->user_id = $user->id;
$confirm->code = common_confirmation_code(64);
$result = $confirm->insert();
if ($result === false) {
common_log_db_error($confirm, 'INSERT', __FILE__);
$this->serverError(_('Couldn\'t insert confirmation code.'));
return;
}
if (!common_config('queue', 'enabled')) {
jabber_confirm_address($confirm->code,
$user->nickname,
$jabber);
}
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$msg = sprintf(_('A confirmation code was sent '.
'to the IM address you added. '.
'You must approve %s for '.
'sending messages to you.'),
jabber_daemon_address());
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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()
{
$jabber = $this->arg('jabber');
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$confirm = $this->getConfirmation();
if (!$confirm) {
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$this->showForm(_('No pending confirmation to cancel.'));
return;
}
if ($confirm->address != $jabber) {
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$this->showForm(_('That is the wrong IM address.'));
return;
}
$result = $confirm->delete();
if (!$result) {
common_log_db_error($confirm, 'DELETE', __FILE__);
$this->serverError(_('Couldn\'t delete email confirmation.'));
return;
}
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$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()
{
$user = common_current_user();
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$jabber = $this->arg('jabber');
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// Maybe an old tab open...?
if ($user->jabber != $jabber) {
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$this->showForm(_('That is not your Jabber ID.'));
return;
}
$user->query('BEGIN');
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$original = clone($user);
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$user->jabber = null;
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$result = $user->updateKeys($original);
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if (!$result) {
common_log_db_error($user, 'UPDATE', __FILE__);
$this->serverError(_('Couldn\'t update user.'));
return;
}
$user->query('COMMIT');
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// XXX: unsubscribe to the old address
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$this->showForm(_('The address was removed.'), true);
}
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/**
* Does this Jabber ID exist?
*
* Checks if we already have another user with this address.
*
* @param string $jabber Address to check
*
* @return boolean whether the Jabber ID exists
*/
function jabberExists($jabber)
{
$user = common_current_user();
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$other = User::staticGet('jabber', $jabber);
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if (!$other) {
return false;
} else {
return $other->id != $user->id;
}
}
}