gnu-social/actions/newmessage.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
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* Handler for posting new messages
*
* 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 Personal
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @copyright 2008-2009 StatusNet, Inc.
* @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')) {
exit(1);
}
/**
* Action for posting new direct messages
*
* @category Personal
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @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/
*/
class NewmessageAction extends FormAction
{
var $content = null;
var $to = null;
var $other = null;
/**
* Title of the page
*
* Note that this usually doesn't get called unless something went wrong
*
* @return string page title
*/
function title()
{
// TRANS: Page title for new direct message page.
return _('New message');
}
/**
* Handle input, produce output
*
* @param array $args $_REQUEST contents
*
* @return void
*/
protected function prepare($args)
{
parent::prepare($args);
if (!common_logged_in()) {
$this->needLogin();
}
$user = $this->scoped->getUser();
$this->content = $this->trimmed('content');
$this->to = $this->trimmed('to');
if ($this->to) {
$this->other = User::getKV('id', $this->to);
if (!$this->other) {
// TRANS: Client error displayed trying to send a direct message to a non-existing user.
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$this->clientError(_('No such user.'), 404);
}
if (!$user->mutuallySubscribed($this->other)) {
// TRANS: Client error displayed trying to send a direct message to a user while sender and
// TRANS: receiver are not subscribed to each other.
$this->clientError(_('You cannot send a message to this user.'), 404);
}
}
return true;
}
protected function handlePost()
{
parent::handlePost();
assert($this->scoped); // XXX: maybe an error instead...
$user = $this->scoped->getUser();
if (!$this->content) {
// TRANS: Form validator error displayed trying to send a direct message without content.
$this->clientError(_('No content!'));
} else {
$content_shortened = $user->shortenLinks($this->content);
if (Message::contentTooLong($content_shortened)) {
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// TRANS: Form validation error displayed when message content is too long.
// TRANS: %d is the maximum number of characters for a message.
$this->clientError(sprintf(_m('That\'s too long. Maximum message size is %d character.',
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'That\'s too long. Maximum message size is %d characters.',
Message::maxContent()),
Message::maxContent()));
}
}
if (!$this->other) {
// TRANS: Form validation error displayed trying to send a direct message without specifying a recipient.
$this->clientError(_('No recipient specified.'));
} else if (!$user->mutuallySubscribed($this->other)) {
// TRANS: Client error displayed trying to send a direct message to a user while sender and
// TRANS: receiver are not subscribed to each other.
$this->clientError(_('You cannot send a message to this user.'), 404);
} else if ($user->id == $this->other->id) {
// TRANS: Client error displayed trying to send a direct message to self.
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$this->clientError(_('Do not send a message to yourself; ' .
'just say it to yourself quietly instead.'), 403);
}
$message = Message::saveNew($user->id, $this->other->id, $this->content, 'web');
$message->notify();
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if ($this->boolean('ajax')) {
$this->startHTML('text/xml;charset=utf-8');
$this->elementStart('head');
// TRANS: Page title after sending a direct message.
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$this->element('title', null, _('Message sent'));
$this->elementEnd('head');
$this->elementStart('body');
$this->element('p', array('id' => 'command_result'),
// TRANS: Confirmation text after sending a direct message.
// TRANS: %s is the direct message recipient.
sprintf(_('Direct message to %s sent.'),
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$this->other->nickname));
$this->elementEnd('body');
$this->elementEnd('html');
} else {
$url = common_local_url('outbox',
array('nickname' => $user->nickname));
common_redirect($url, 303);
}
}
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/**
* Show an Ajax-y error message
*
* Goes back to the browser, where it's shown in a popup.
*
* @param string $msg Message to show
*
* @return void
*/
function ajaxErrorMsg($msg)
{
$this->startHTML('text/xml;charset=utf-8', true);
$this->elementStart('head');
// TRANS: Page title after an AJAX error occurred on the "send direct message" page.
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$this->element('title', null, _('Ajax Error'));
$this->elementEnd('head');
$this->elementStart('body');
$this->element('p', array('id' => 'error'), $msg);
$this->elementEnd('body');
$this->elementEnd('html');
}
function showForm($msg = null)
{
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if ($msg && $this->boolean('ajax')) {
$this->ajaxErrorMsg($msg);
return;
}
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$this->msg = $msg;
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if ($this->trimmed('ajax')) {
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header('Content-Type: text/xml;charset=utf-8');
$this->xw->startDocument('1.0', 'UTF-8');
$this->elementStart('html');
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$this->elementStart('head');
// TRANS: Page title on page for sending a direct message.
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$this->element('title', null, _('New message'));
$this->elementEnd('head');
$this->elementStart('body');
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$this->showNoticeForm();
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$this->elementEnd('body');
$this->endHTML();
}
else {
$this->showPage();
}
}
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function showPageNotice()
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{
if ($this->msg) {
$this->element('p', 'error', $this->msg);
}
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}
// Do nothing (override)
function showNoticeForm()
{
$message_form = new MessageForm($this, $this->other, $this->content);
$message_form->show();
}
}