core/Zotlabs/Module/Chatsvc.php

<?php /** @file */

namespace Zotlabs\Module;

require_once('include/security.php');

use Zotlabs\Lib as Zlib;

class Chatsvc extends \Zotlabs\Web\Controller {

	function init() {

		//logger('chatsvc');

		$ret = array('success' => false);

		\App::$data['chat']['room_id'] = intval($_REQUEST['room_id']);
		$x = q("select cr_uid from chatroom where cr_id = %d and cr_id != 0 limit 1",
			intval(\App::$data['chat']['room_id'])
		);
		if(! $x)
			json_return_and_die($ret);

		\App::$data['chat']['uid'] = $x[0]['cr_uid'];

		if(! perm_is_allowed(\App::$data['chat']['uid'],get_observer_hash(),'chat')) {
	        json_return_and_die($ret);
	    }

	}

	function post() {

		$ret = array('success' => false);

		$room_id = \App::$data['chat']['room_id'];
		$text = escape_tags($_REQUEST['chat_text']);
		if(! $text)
			return;

		$sql_extra = permissions_sql(\App::$data['chat']['uid']);

		$r = q("select * from chatroom where cr_uid = %d and cr_id = %d $sql_extra",
			intval(\App::$data['chat']['uid']),
			intval(\App::$data['chat']['room_id'])
		);
		if(! $r)
			json_return_and_die($ret);

		$arr = array(
			'chat_room' => \App::$data['chat']['room_id'],
			'chat_xchan' => get_observer_hash(),
			'chat_text' => $text
		);

		call_hooks('chat_post',$arr);

		$x = q("insert into chat ( chat_room, chat_xchan, created, chat_text )
			values( %d, '%s', '%s', '%s' )",
			intval(\App::$data['chat']['room_id']),
			dbesc(get_observer_hash()),
			dbesc(datetime_convert()),
			dbesc(str_rot47(base64url_encode($arr['chat_text'])))
		);

		$ret['success'] = true;
		json_return_and_die($ret);
	}

	function get() {

		$status = ((isset($_REQUEST['status'])) ? strip_tags($_REQUEST['status']) : '');
		$room_id = intval(\App::$data['chat']['room_id']);
		$stopped = ((x($_REQUEST,'stopped') && intval($_REQUEST['stopped'])) ? true : false);

		if($status && $room_id) {

			$x = q("select channel_address from channel where channel_id = %d limit 1",
				intval(\App::$data['chat']['uid'])
			);

			$r = q("update chatpresence set cp_status = '%s', cp_last = '%s' where cp_room = %d and cp_xchan = '%s' and cp_client = '%s'",
				dbesc($status),
				dbesc(datetime_convert()),
				intval($room_id),
				dbesc(get_observer_hash()),
				dbesc($_SERVER['REMOTE_ADDR'])
			);

			goaway(z_root() . '/chat/' . $x[0]['channel_address'] . '/' . $room_id);
		}

		if(! $stopped) {

			$lastseen = intval($_REQUEST['last']);

			$ret = array('success' => false);

			$sql_extra = permissions_sql(\App::$data['chat']['uid']);

			$r = q("select * from chatroom where cr_uid = %d and cr_id = %d $sql_extra",
				intval(\App::$data['chat']['uid']),
				intval(\App::$data['chat']['room_id'])
			);
			if(! $r)
				json_return_and_die($ret);

			$inroom = array();

			$r = q("select * from chatpresence left join xchan on xchan_hash = cp_xchan where cp_room = %d order by xchan_name",
				intval(\App::$data['chat']['room_id'])
			);
			if($r) {
				foreach($r as $rv) {
					if(! $rv['xchan_name']) {
						$rv['xchan_hash'] =  $rv['cp_xchan'];
						$rv['xchan_name'] = substr($rv['cp_xchan'],strrpos($rv['cp_xchan'],'.')+1);
						$rv['xchan_addr'] = '';
						$rv['xchan_network'] = 'unknown';
						$rv['xchan_url'] = z_root();
						$rv['xchan_hidden'] = 1;
						$rv['xchan_photo_mimetype'] = 'image/png';
						$rv['xchan_photo_l'] = z_root() . '/' . get_default_profile_photo(300);
						$rv['xchan_photo_m'] = z_root() . '/' . get_default_profile_photo(80);
						$rv['xchan_photo_s'] = z_root() . '/' . get_default_profile_photo(48);

					}

					switch($rv['cp_status']) {
						case 'away':
							$status = t('Away');
							$status_class = 'away';
							break;
						case 'online':
						default:
							$status = t('Online');
							$status_class = 'online';
							break;
					}

					$inroom[] = array('img' => zid($rv['xchan_photo_m']), 'img_type' => $rv['xchan_photo_mimetype'],'name' => $rv['xchan_name'], 'status' => $status, 'status_class' => $status_class);
				}
			}

			$chats = array();

			$r = q("select * from chat left join xchan on chat_xchan = xchan_hash where chat_room = %d and chat_id > %d order by created",
				intval(\App::$data['chat']['room_id']),
				intval($lastseen)
			);
			if($r) {
				foreach($r as $rr) {
					$chats[] = array(
						'id' => $rr['chat_id'],
						'img' => zid($rr['xchan_photo_m']),
						'img_type' => $rr['xchan_photo_mimetype'],
						'name' => $rr['xchan_name'],
						'isotime' => datetime_convert('UTC', date_default_timezone_get(), $rr['created'], 'c'),
						'localtime' => datetime_convert('UTC', date_default_timezone_get(), $rr['created'], 'r'),
						'text' => zidify_links(smilies(bbcode(base64url_decode(str_rot47($rr['chat_text']))))),
						'self' => ((get_observer_hash() == $rr['chat_xchan']) ? 'self' : '')
					);
				}
			}
		}

		$r = q("update chatpresence set cp_last = '%s' where cp_room = %d and cp_xchan = '%s' and cp_client = '%s'",
			dbesc(datetime_convert()),
			intval(\App::$data['chat']['room_id']),
			dbesc(get_observer_hash()),
			dbesc($_SERVER['REMOTE_ADDR'])
		);

		$ret['success'] = true;
		if(! $stopped) {
			$ret['inroom'] = $inroom;
			$ret['chats'] = $chats;
		}
		json_return_and_die($ret);

	}


}