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diff --git a/actions/apidirectmessagenew.php b/actions/apidirectmessagenew.php
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+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Send a direct message via the API
+ *
+ * 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 API
+ * @package StatusNet
+ * @author Adrian Lang <mail@adrianlang.de>
+ * @author Evan Prodromou <evan@status.net>
+ * @author Robin Millette <robin@millette.info>
+ * @author Zach Copley <zach@status.net>
+ * @copyright 2009 StatusNet, Inc.
+ * @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')) {
+ exit(1);
+}
+
+require_once INSTALLDIR . '/lib/apiauth.php';
+
+/**
+ * Creates a new direct message from the authenticating user to
+ * the user specified by id.
+ *
+ * @category API
+ * @package StatusNet
+ * @author Adrian Lang <mail@adrianlang.de>
+ * @author Evan Prodromou <evan@status.net>
+ * @author Robin Millette <robin@millette.info>
+ * @author Zach Copley <zach@status.net>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+class ApiDirectMessageNewAction extends ApiAuthAction
+{
+ var $source = null;
+ var $other = null;
+ var $content = null;
+
+ /**
+ * Take arguments for running
+ *
+ * @param array $args $_REQUEST args
+ *
+ * @return boolean success flag
+ *
+ */
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+
+ $this->user = $this->auth_user;
+
+ if (empty($this->user)) {
+ $this->clientError(_('No such user!'), 404, $this->format);
+ return;
+ }
+
+ $this->source = $this->trimmed('source'); // Not supported by Twitter.
+
+ $reserved_sources = array('web', 'omb', 'mail', 'xmpp', 'api');
+ if (empty($thtis->source) || in_array($this->source, $reserved_sources)) {
+ $source = 'api';
+ }
+
+ $this->content = $this->trimmed('text');
+
+ $this->user = $this->auth_user;
+
+ $user_param = $this->trimmed('user');
+ $user_id = $this->arg('user_id');
+ $screen_name = $this->trimmed('screen_name');
+
+ if (isset($user_param) || isset($user_id) || isset($screen_name)) {
+ $this->other = $this->getTargetUser($user_param);
+ }
+
+ return true;
+ }
+
+ /**
+ * Handle the request
+ *
+ * Save the new message
+ *
+ * @param array $args $_REQUEST data (unused)
+ *
+ * @return void
+ */
+
+ function handle($args)
+ {
+ parent::handle($args);
+
+ if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+ $this->clientError(
+ _('This method requires a POST.'),
+ 400,
+ $this->format
+ );
+ return;
+ }
+
+ if (empty($this->content)) {
+ $this->clientError(
+ _('No message text!'),
+ 406,
+ $this->format
+ );
+ } else {
+ $content_shortened = common_shorten_links($this->content);
+ if (Message::contentTooLong($content_shortened)) {
+ $this->clientError(
+ sprintf(
+ _('That\'s too long. Max message size is %d chars.'),
+ Message::maxContent()
+ ),
+ 406,
+ $this->format
+ );
+ return;
+ }
+ }
+
+ if (empty($this->other)) {
+ $this->clientError(_('Recipient user not found.'), 403, $this->format);
+ return;
+ } else if (!$this->user->mutuallySubscribed($this->other)) {
+ $this->clientError(
+ _('Can\'t send direct messages to users who aren\'t your friend.'),
+ 403,
+ $this->format
+ );
+ return;
+ } else if ($this->user->id == $this->other->id) {
+
+ // Note: sending msgs to yourself is allowed by Twitter
+
+ $errmsg = 'Don\'t send a message to yourself; ' .
+ 'just say it to yourself quietly instead.';
+
+ $this->clientError(_($errmsg), 403, $this->format);
+ return;
+ }
+
+ $message = Message::saveNew(
+ $this->user->id,
+ $this->other->id,
+ html_entity_decode($this->content, ENT_NOQUOTES, 'UTF-8'),
+ $this->source
+ );
+
+ if (is_string($message)) {
+ $this->serverError($message);
+ return;
+ }
+
+ mail_notify_message($message, $this->user, $this->other);
+
+ if ($this->format == 'xml') {
+ $this->showSingleXmlDirectMessage($message);
+ } elseif ($this->format == 'json') {
+ $this->showSingleJsondirectMessage($message);
+ }
+ }
+
+}
+