276 lines
6.5 KiB
PHP
276 lines
6.5 KiB
PHP
<?php
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namespace Zotlabs\Lib;
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/**
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* @brief A class with chatroom related static methods.
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*/
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class Chatroom {
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/**
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* @brief Creates a chatroom.
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*
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* @param array $channel
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* @param array $arr
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* @return array An associative array containing:
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* * \e boolean \b success - A boolean success status
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* * \e string \b message - (optional) A string
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*/
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static public function create($channel, $arr) {
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$ret = array('success' => false);
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$name = trim($arr['name']);
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if(! $name) {
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$ret['message'] = t('Missing room name');
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return $ret;
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}
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$r = q("select cr_id from chatroom where cr_uid = %d and cr_name = '%s' limit 1",
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intval($channel['channel_id']),
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dbesc($name)
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);
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if($r) {
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$ret['message'] = t('Duplicate room name');
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return $ret;
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}
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$r = q("select count(cr_id) as total from chatroom where cr_aid = %d",
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intval($channel['channel_account_id'])
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);
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if($r)
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$limit = service_class_fetch($channel['channel_id'], 'chatrooms');
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if(($r) && ($limit !== false) && ($r[0]['total'] >= $limit)) {
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$ret['message'] = upgrade_message();
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return $ret;
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}
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if(! array_key_exists('expire', $arr))
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$arr['expire'] = 120; // minutes, e.g. 2 hours
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$created = datetime_convert();
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$x = q("insert into chatroom ( cr_aid, cr_uid, cr_name, cr_created, cr_edited, cr_expire, allow_cid, allow_gid, deny_cid, deny_gid )
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values ( %d, %d , '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s' ) ",
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intval($channel['channel_account_id']),
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intval($channel['channel_id']),
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dbesc($name),
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dbesc($created),
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dbesc($created),
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intval($arr['expire']),
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dbesc($arr['allow_cid']),
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dbesc($arr['allow_gid']),
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dbesc($arr['deny_cid']),
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dbesc($arr['deny_gid'])
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);
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if($x)
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$ret['success'] = true;
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return $ret;
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}
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static public function destroy($channel,$arr) {
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$ret = array('success' => false);
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if(intval($arr['cr_id']))
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$sql_extra = " and cr_id = " . intval($arr['cr_id']) . " ";
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elseif(trim($arr['cr_name']))
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$sql_extra = " and cr_name = '" . protect_sprintf(dbesc(trim($arr['cr_name']))) . "' ";
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else {
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$ret['message'] = t('Invalid room specifier.');
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return $ret;
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}
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$r = q("select * from chatroom where cr_uid = %d $sql_extra limit 1",
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intval($channel['channel_id'])
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);
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if(! $r) {
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$ret['message'] = t('Invalid room specifier.');
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return $ret;
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}
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build_sync_packet($channel['channel_id'],array('chatroom' => $r));
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q("delete from chatroom where cr_id = %d",
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intval($r[0]['cr_id'])
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);
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if($r[0]['cr_id']) {
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q("delete from chatpresence where cp_room = %d",
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intval($r[0]['cr_id'])
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);
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q("delete from chat where chat_room = %d",
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intval($r[0]['cr_id'])
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);
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}
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$ret['success'] = true;
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return $ret;
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}
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static public function enter($observer_xchan, $room_id, $status, $client) {
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if(! $room_id || ! $observer_xchan)
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return;
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$r = q("select * from chatroom where cr_id = %d limit 1",
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intval($room_id)
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);
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if(! $r) {
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notice( t('Room not found.') . EOL);
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return false;
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}
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require_once('include/security.php');
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$sql_extra = permissions_sql($r[0]['cr_uid']);
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$x = q("select * from chatroom where cr_id = %d and cr_uid = %d $sql_extra limit 1",
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intval($room_id),
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intval($r[0]['cr_uid'])
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);
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if(! $x) {
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notice( t('Permission denied.') . EOL);
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return false;
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}
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$limit = service_class_fetch($r[0]['cr_uid'], 'chatters_inroom');
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if($limit !== false) {
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$y = q("select count(*) as total from chatpresence where cp_room = %d",
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intval($room_id)
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);
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if($y && $y[0]['total'] > $limit) {
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notice( t('Room is full') . EOL);
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return false;
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}
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}
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if(intval($x[0]['cr_expire'])) {
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$r = q("delete from chat where created < %s - INTERVAL %s and chat_room = %d",
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db_utcnow(),
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db_quoteinterval( intval($x[0]['cr_expire']) . ' MINUTE' ),
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intval($x[0]['cr_id'])
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);
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}
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$r = q("select * from chatpresence where cp_xchan = '%s' and cp_room = %d limit 1",
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dbesc($observer_xchan),
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intval($room_id)
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);
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if($r) {
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q("update chatpresence set cp_last = '%s' where cp_id = %d and cp_client = '%s'",
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dbesc(datetime_convert()),
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intval($r[0]['cp_id']),
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dbesc($client)
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);
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return true;
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}
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$r = q("insert into chatpresence ( cp_room, cp_xchan, cp_last, cp_status, cp_client )
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values ( %d, '%s', '%s', '%s', '%s' )",
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intval($room_id),
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dbesc($observer_xchan),
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dbesc(datetime_convert()),
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dbesc($status),
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dbesc($client)
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);
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return $r;
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}
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function leave($observer_xchan, $room_id, $client) {
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if(! $room_id || ! $observer_xchan)
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return;
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$r = q("select * from chatpresence where cp_xchan = '%s' and cp_room = %d and cp_client = '%s' limit 1",
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dbesc($observer_xchan),
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intval($room_id),
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dbesc($client)
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);
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if($r) {
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q("delete from chatpresence where cp_id = %d",
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intval($r[0]['cp_id'])
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);
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}
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return true;
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}
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static public function roomlist($uid) {
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require_once('include/security.php');
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$sql_extra = permissions_sql($uid);
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$r = q("select allow_cid, allow_gid, deny_cid, deny_gid, cr_name, cr_expire, cr_id, count(cp_id) as cr_inroom from chatroom left join chatpresence on cr_id = cp_room where cr_uid = %d $sql_extra group by cr_name, cr_id order by cr_name",
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intval($uid)
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);
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return $r;
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}
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static public function list_count($uid) {
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require_once('include/security.php');
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$sql_extra = permissions_sql($uid);
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$r = q("select count(*) as total from chatroom where cr_uid = %d $sql_extra",
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intval($uid)
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);
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return $r[0]['total'];
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}
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/**
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* @brief Create a chat message via API.
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*
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* It is the caller's responsibility to enter the room.
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*
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* @param int $uid
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* @param int $room_id
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* @param string $xchan
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* @param string $text
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* @return array
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*/
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static public function message($uid, $room_id, $xchan, $text) {
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$ret = array('success' => false);
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if(! $text)
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return;
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$sql_extra = permissions_sql($uid);
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$r = q("select * from chatroom where cr_uid = %d and cr_id = %d $sql_extra",
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intval($uid),
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intval($room_id)
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);
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if(! $r)
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return $ret;
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$arr = [
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'chat_room' => $room_id,
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'chat_xchan' => $xchan,
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'chat_text' => $text
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];
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/**
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* @hooks chat_message
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* Called to create a chat message.
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* * \e int \b chat_room
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* * \e string \b chat_xchan
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* * \e string \b chat_text
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*/
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call_hooks('chat_message', $arr);
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$x = q("insert into chat ( chat_room, chat_xchan, created, chat_text )
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values( %d, '%s', '%s', '%s' )",
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intval($room_id),
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dbesc($xchan),
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dbesc(datetime_convert()),
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dbesc(str_rot47(base64url_encode($arr['chat_text'])))
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);
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$ret['success'] = true;
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return $ret;
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}
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}
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