"user", $kind_agent => "agent", $kind_for_agent => "hidden", $kind_info => "inf", $kind_conn => "conn", $kind_events => "event", $kind_avatar => "avatar"); function get_user_id() { return (time() + microtime()) . rand(0, 99999999); } function next_token() { return rand(99999, 99999999); } function next_revision() { $db = Database::getInstance(); $db->query("update {chatrevision} set id=LAST_INSERT_ID(id+1)"); $val = $db->insertedId(); return $val; } /** * @todo Think about post_message_ and post_message diffrence */ function post_message_($threadid, $kind, $message, $from = null, $utime = null, $opid = null) { $db = Database::getInstance(); $query = "insert into {chatmessage} " . "(threadid,ikind,tmessage,tname,agentId,dtmcreated) " . "values (?,?,?,?,?,".($utime?"FROM_UNIXTIME(?)":"CURRENT_TIMESTAMP").")"; $values = array( $threadid, $kind, $message, ($from ? $from : "null"), ($opid ? $opid : 0) ); if ($utime) { $values[] = $utime; } $db->query($query, $values); return $db->insertedId(); } function post_message($threadid, $kind, $message, $from = null, $agentid = null) { return post_message_($threadid, $kind, $message, $from, null, $agentid); } function prepare_html_message($text, $allow_formating) { $escaped_text = htmlspecialchars($text); $text_w_links = preg_replace('/(https?|ftp):\/\/\S*/', '$0', $escaped_text); $multiline = str_replace("\n", "
", $text_w_links); if (! $allow_formating) { return $multiline; } $formated = preg_replace('/<(span|strong)>(.*)<\/\1>/U', '<$1>$2', $multiline); $formated = preg_replace('/<span class="(.*)">(.*)<\/span>/U', '$2', $formated); return $formated; } function message_to_html($msg) { global $kind_to_string, $kind_user, $kind_agent, $kind_avatar; if ($msg['ikind'] == $kind_avatar) return ""; $message = "" . date("H:i:s", $msg['created']) . " "; $kind = $kind_to_string{$msg['ikind']}; if ($msg['tname']) $message .= "" . htmlspecialchars($msg['tname']) . ": "; $allow_formating = ($msg['ikind'] != $kind_user && $msg['ikind'] != $kind_agent); $message .= "" . prepare_html_message($msg['tmessage'], $allow_formating) . "
"; return $message; } function message_to_text($msg) { global $kind_user, $kind_agent, $kind_info, $kind_avatar; if ($msg['ikind'] == $kind_avatar) return ""; $message_time = date("H:i:s ", $msg['created']); if ($msg['ikind'] == $kind_user || $msg['ikind'] == $kind_agent) { if ($msg['tname']) return $message_time . $msg['tname'] . ": " . $msg['tmessage'] . "\n"; else return $message_time . $msg['tmessage'] . "\n"; } else if ($msg['ikind'] == $kind_info) { return $message_time . $msg['tmessage'] . "\n"; } else { return $message_time . "[" . $msg['tmessage'] . "]\n"; } } function get_messages($threadid, $meth, $isuser, &$lastid) { global $kind_for_agent, $kind_avatar, $webim_encoding; $db = Database::getInstance(); $msgs = $db->query( "select messageid,ikind,unix_timestamp(dtmcreated) as created,tname,tmessage from {chatmessage} " . "where threadid = :threadid and messageid > :lastid " . ($isuser ? "and ikind <> {$kind_for_agent} " : "") . "order by messageid", array( ':threadid' => $threadid, ':lastid' => $lastid, ), array('return_rows' => Database::RETURN_ALL_ROWS) ); $messages = array(); foreach ($msgs as $msg) { $message = ""; if ($meth == 'xml') { switch ($msg['ikind']) { case $kind_avatar: $message = "" . myiconv($webim_encoding, "utf-8", escape_with_cdata($msg['tmessage'])) . ""; break; default: $message = "" . myiconv($webim_encoding, "utf-8", escape_with_cdata(message_to_html($msg))) . "\n"; } } else { if ($msg['ikind'] != $kind_avatar) { $message = (($meth == 'text') ? message_to_text($msg) : topage(message_to_html($msg))); } } $messages[] = $message; if ($msg['messageid'] > $lastid) { $lastid = $msg['messageid']; } } return $messages; } function print_thread_messages($thread, $token, $lastid, $isuser, $format, $agentid = null) { global $webim_encoding, $webimroot, $connection_timeout; $threadid = $thread['threadid']; $istyping = abs($thread['current'] - $thread[$isuser ? "lpagent" : "lpuser"]) < $connection_timeout && $thread[$isuser ? "agentTyping" : "userTyping"] == "1" ? "1" : "0"; if ($format == "xml") { $output = get_messages($threadid, "xml", $isuser, $lastid); start_xml_output(); print(""); foreach ($output as $msg) { print $msg; } print(""); } else if ($format == "html") { $output = get_messages($threadid, "html", $isuser, $lastid); start_html_output(); $url = "$webimroot/thread.php?act=refresh&thread=$threadid&token=$token&html=on&user=" . ($isuser ? "true" : "false"); print( "" . "\n\n" . "\n" . "\n" . "\n" . "\n" . "\n" . "" . "

"); foreach ($output as $msg) { print $msg; } print( "

" . ""); } } function get_user_name($username, $addr, $id) { return str_replace( "{addr}", $addr, str_replace( "{id}", $id, str_replace("{name}", $username, Settings::get('usernamepattern')) ) ); } function is_ajax_browser($browserid, $ver, $useragent) { if ($browserid == "opera") return $ver >= 8.02; if ($browserid == "safari") return $ver >= 125; if ($browserid == "msie") return $ver >= 5.5 && !strstr($useragent, "powerpc"); if ($browserid == "netscape") return $ver >= 7.1; if ($browserid == "mozilla") return $ver >= 1.4; if ($browserid == "firefox") return $ver >= 1.0; if ($browserid == "chrome") return true; return false; } function is_old_browser($browserid, $ver) { if ($browserid == "opera") return $ver < 7.0; if ($browserid == "msie") return $ver < 5.0; return false; } $knownAgents = array("opera", "msie", "chrome", "safari", "firefox", "netscape", "mozilla"); function get_remote_level($useragent) { global $knownAgents; $useragent = strtolower($useragent); foreach ($knownAgents as $agent) { if (strstr($useragent, $agent)) { if (preg_match("/" . $agent . "[\\s\/]?(\\d+(\\.\\d+)?)/", $useragent, $matches)) { $ver = $matches[1]; if (is_ajax_browser($agent, $ver, $useragent)) return "ajaxed"; else if (is_old_browser($agent, $ver)) return "old"; return "simple"; } } } return "simple"; } function is_agent_opera95() { $useragent = strtolower($_SERVER['HTTP_USER_AGENT']); if (strstr($useragent, "opera")) { if (preg_match("/opera[\\s\/]?(\\d+(\\.\\d+)?)/", $useragent, $matches)) { $ver = $matches[1]; if ($ver >= "9.5") return true; } } return false; } function is_mac_opera() { $useragent = strtolower($_SERVER['HTTP_USER_AGENT']); return strstr($useragent, "opera") && strstr($useragent, "mac"); } function needsFramesrc() { $useragent = strtolower($_SERVER['HTTP_USER_AGENT']); return strstr($useragent, "safari/"); } function setup_logo($group = NULL) { global $page; $toplevelgroup = (!$group)?array():get_top_level_group($group); $page['ct.company.name'] = topage(empty($toplevelgroup['vctitle'])?Settings::get('title'):$toplevelgroup['vctitle']); $page['ct.company.chatLogoURL'] = topage(empty($toplevelgroup['vclogo'])?Settings::get('logo'):$toplevelgroup['vclogo']); $page['webimHost'] = topage(empty($toplevelgroup['vchosturl'])?Settings::get('hosturl'):$toplevelgroup['vchosturl']); } function setup_leavemessage($name, $email, $message, $groupid, $groupname, $info, $referrer, $canshowcaptcha) { global $page; $page['formname'] = topage($name); $page['formemail'] = topage($email); $page['formmessage'] = $message ? topage($message) : ""; $page['showcaptcha'] = Settings::get("enablecaptcha") == "1" && $canshowcaptcha ? "1" : ""; $page['formgroupid'] = $groupid; $page['formgroupname'] = $groupname; $page['forminfo'] = topage($info); $page['referrer'] = urlencode(topage($referrer)); if (Settings::get('enablegroups') == '1') { $groups = setup_groups_select($groupid, false); if ($groups) { $page['groups'] = $groups['select']; $page['group.descriptions'] = json_encode($groups['descriptions']); $page['default.department.description'] = $groups['defaultdescription']; } } } function setup_survey($name, $email, $groupid, $info, $referrer) { global $page; $page['formname'] = topage($name); $page['formemail'] = topage($email); $page['formgroupid'] = $groupid; $page['forminfo'] = topage($info); $page['referrer'] = urlencode(topage($referrer)); if (Settings::get('enablegroups') == '1' && Settings::get('surveyaskgroup') == '1') { $groups = setup_groups_select($groupid, true); if ($groups) { $page['groups'] = $groups['select']; $page['group.descriptions'] = json_encode($groups['descriptions']); $page['default.department.description'] = $groups['defaultdescription']; } } $page['showemail'] = Settings::get("surveyaskmail") == "1" ? "1" : ""; $page['showmessage'] = Settings::get("surveyaskmessage") == "1" ? "1" : ""; $page['showname'] = Settings::get('usercanchangename') == "1" ? "1" : ""; } function setup_groups_select($groupid, $markoffline) { $showgroups = ($groupid == '')?true:group_has_children($groupid); if (!$showgroups) { return false; } $allgroups = get_groups(false); if (empty($allgroups)) { return false; } $val = ""; $selectedgroupid = $groupid; $groupdescriptions = array(); foreach ($allgroups as $k) { $groupname = $k['vclocalname']; if ($k['inumofagents'] == 0 || ($groupid && $k['parent'] != $groupid && $k['groupid'] != $groupid )) { continue; } if ($k['ilastseen'] !== NULL && $k['ilastseen'] < Settings::get('online_timeout')) { if (!$selectedgroupid) { $selectedgroupid = $k['groupid']; // select first online group } } else { $groupname .= $markoffline?" (offline)":""; } $isselected = $k['groupid'] == $selectedgroupid; if ($isselected) { $defaultdescription = $k['vclocaldescription']; } $val .= "$groupname"; $groupdescriptions[] = $k['vclocaldescription']; } return array( 'select' => $val, 'descriptions' => $groupdescriptions, 'defaultdescription' => $defaultdescription ); } function setup_chatview_for_user($thread, $level) { global $page, $webimroot; $page = array(); if (! empty($thread['groupid'])) { $group = group_by_id($thread['groupid']); $group = get_top_level_group($group); } else { $group = array(); } $page['agent'] = false; $page['user'] = true; $page['canpost'] = true; $nameisset = getstring("chat.default.username") != $thread['userName']; $page['displ1'] = $nameisset ? "none" : "inline"; $page['displ2'] = $nameisset ? "inline" : "none"; $page['level'] = $level; $page['ct.chatThreadId'] = $thread['threadid']; $page['ct.token'] = $thread['ltoken']; $page['ct.user.name'] = htmlspecialchars(topage($thread['userName'])); $page['canChangeName'] = Settings::get('usercanchangename') == "1"; $page['chat.title'] = topage(empty($group['vcchattitle'])?Settings::get('chattitle'):$group['vcchattitle']); $page['chat.close.confirmation'] = getlocal('chat.close.confirmation'); setup_logo($group); if (Settings::get('sendmessagekey') == 'enter') { $page['send_shortcut'] = "Enter"; $page['ignorectrl'] = 1; } else { $page['send_shortcut'] = is_mac_opera() ? "⌘-Enter" : "Ctrl-Enter"; $page['ignorectrl'] = 0; } $params = "thread=" . $thread['threadid'] . "&token=" . $thread['ltoken']; $page['mailLink'] = "$webimroot/client.php?" . $params . "&level=$level&act=mailthread"; if (Settings::get('enablessl') == "1" && !is_secure_request()) { $page['sslLink'] = get_app_location(true, true) . "/client.php?" . $params . "&level=$level"; } $page['isOpera95'] = is_agent_opera95(); $page['neediframesrc'] = needsFramesrc(); $page['frequency'] = Settings::get('updatefrequency_chat'); } function setup_chatview_for_operator($thread, $operator) { global $page, $webimroot, $company_logo_link, $webim_encoding, $company_name; $page = array(); if (! is_null($thread['groupid'])) { $group = group_by_id($thread['groupid']); $group = get_top_level_group($group); } else { $group = array(); } $page['agent'] = true; $page['user'] = false; $page['canpost'] = $thread['agentId'] == $operator['operatorid']; $page['ct.chatThreadId'] = $thread['threadid']; $page['ct.token'] = $thread['ltoken']; $page['ct.user.name'] = htmlspecialchars(topage(get_user_name($thread['userName'], $thread['remote'], $thread['userid']))); $page['chat.title'] = topage(empty($group['vcchattitle'])?Settings::get('chattitle'):$group['vcchattitle']); $page['chat.close.confirmation'] = getlocal('chat.close.confirmation'); setup_logo($group); if (Settings::get('sendmessagekey') == 'enter') { $page['send_shortcut'] = "Enter"; $page['ignorectrl'] = 1; } else { $page['send_shortcut'] = is_mac_opera() ? "⌘-Enter" : "Ctrl-Enter"; $page['ignorectrl'] = 0; } if (Settings::get('enablessl') == "1" && !is_secure_request()) { $page['sslLink'] = get_app_location(true, true) . "/operator/agent.php?thread=" . $thread['threadid'] . "&token=" . $thread['ltoken']; } $page['isOpera95'] = is_agent_opera95(); $page['neediframesrc'] = needsFramesrc(); $page['historyParams'] = array("userid" => "" . $thread['userid']); $page['historyParamsLink'] = add_params($webimroot . "/operator/userhistory.php", $page['historyParams']); if (Settings::get('enabletracking')) { $visitor = track_get_visitor_by_threadid($thread['threadid']); $page['trackedParams'] = array("visitor" => "" . $visitor['visitorid']); $page['trackedParamsLink'] = add_params($webimroot . "/operator/tracked.php", $page['trackedParams']); } $predefinedres = ""; $canned_messages = load_canned_messages($thread['locale'], 0); if ($thread['groupid']) { $canned_messages = array_merge( load_canned_messages($thread['locale'], $thread['groupid']), $canned_messages ); }; foreach ($canned_messages as $answer) { $predefinedres .= "" . htmlspecialchars(topage($answer['vctitle']?$answer['vctitle']:cutstring($answer['vcvalue'], 97, '...'))) . ""; $fullAnswers[] = myiconv($webim_encoding, getoutputenc(), $answer['vcvalue']); } $page['predefinedAnswers'] = $predefinedres; $page['fullPredefinedAnswers'] = json_encode($fullAnswers); $params = "thread=" . $thread['threadid'] . "&token=" . $thread['ltoken']; $page['redirectLink'] = "$webimroot/operator/agent.php?" . $params . "&act=redirect"; $page['namePostfix'] = ""; $page['frequency'] = Settings::get('updatefrequency_chat'); } function update_thread_access($threadid, $params) { $db = Database::getInstance(); $clause = ""; $values = array(); foreach ($params as $k => $v) { if (strlen($clause) > 0) $clause .= ", "; $clause .= $k . "=?"; $values[] = $v; } $values[] = $threadid; $db->query( "update {chatthread} set {$clause} where threadid = ?", $values ); } function ping_thread($thread, $isuser, $istyping) { global $kind_for_agent, $state_queue, $state_loading, $state_chatting, $state_waiting, $kind_conn, $connection_timeout; $params = array(($isuser ? "lastpinguser" : "lastpingagent") => "CURRENT_TIMESTAMP", ($isuser ? "userTyping" : "agentTyping") => ($istyping ? "1" : "0")); $lastping = $thread[$isuser ? "lpagent" : "lpuser"]; $current = $thread['current']; if ($thread['istate'] == $state_loading && $isuser) { $params['istate'] = $state_queue; commit_thread($thread['threadid'], $params); return; } if ($lastping > 0 && abs($current - $lastping) > $connection_timeout) { $params[$isuser ? "lastpingagent" : "lastpinguser"] = "0"; if (!$isuser) { $message_to_post = getstring_("chat.status.user.dead", $thread['locale']); post_message_($thread['threadid'], $kind_for_agent, $message_to_post, null, $lastping + $connection_timeout); } else if ($thread['istate'] == $state_chatting) { $message_to_post = getstring_("chat.status.operator.dead", $thread['locale']); post_message_($thread['threadid'], $kind_conn, $message_to_post, null, $lastping + $connection_timeout); $params['istate'] = $state_waiting; $params['nextagent'] = 0; commit_thread($thread['threadid'], $params); return; } } update_thread_access($thread['threadid'], $params); } function commit_thread($threadid, $params) { $db = Database::getInstance(); $query = "update {chatthread} t " . "set lrevision = ?, dtmmodified = CURRENT_TIMESTAMP"; $values = array(next_revision()); foreach ($params as $k => $v) { $query .= ", " . $k . "=?"; $values[] = $v; } $query .= " where threadid = ?"; $values[] = $threadid; $db->query($query, $values); } function rename_user($thread, $newname) { global $kind_events; commit_thread($thread['threadid'], array('userName' => $newname)); if ($thread['userName'] != $newname) { post_message_($thread['threadid'], $kind_events, getstring2_("chat.status.user.changedname", array($thread['userName'], $newname), $thread['locale'])); } } function close_thread($thread, $isuser) { global $state_closed, $kind_events; if ($thread['istate'] != $state_closed) { commit_thread( $thread['threadid'], array( 'istate' => $state_closed, 'messageCount' => "(SELECT COUNT(*) FROM {chatmessage} WHERE {chatmessage}.threadid = t.threadid AND ikind = 1)" ) ); } $message = $isuser ? getstring2_("chat.status.user.left", array($thread['userName']), $thread['locale']) : getstring2_("chat.status.operator.left", array($thread['agentName']), $thread['locale']); post_message_($thread['threadid'], $kind_events, $message); } function close_old_threads() { global $state_closed, $state_left, $state_chatting; if (Settings::get('thread_lifetime') == 0) { return; } $db = Database::getInstance(); $query = "update {chatthread} set lrevision = :next_revision, " . "dtmmodified = CURRENT_TIMESTAMP, istate = :state_closed " . "where istate <> :state_closed and istate <> :state_left " . "and lastpingagent <> 0 and lastpinguser <> 0 and " . "(ABS(UNIX_TIMESTAMP(CURRENT_TIMESTAMP) - UNIX_TIMESTAMP(lastpinguser)) > ". ":thread_lifetime and " . "ABS(UNIX_TIMESTAMP(CURRENT_TIMESTAMP) - UNIX_TIMESTAMP(lastpingagent)) > ". ":thread_lifetime)"; $db->query( $query, array( ':next_revision' => next_revision(), ':state_closed' => $state_closed, ':state_left' => $state_left, ':thread_lifetime' => Settings::get('thread_lifetime') ) ); } function thread_by_id($id) { $db = Database::getInstance(); return $db->query( "select threadid,userName,agentName,agentId,lrevision,istate,ltoken,userTyping, " . "agentTyping,unix_timestamp(dtmmodified) as modified, " . "unix_timestamp(dtmcreated) as created, " . "unix_timestamp(dtmchatstarted) as chatstarted,remote,referer,locale," . "unix_timestamp(lastpinguser) as lpuser,unix_timestamp(lastpingagent) as lpagent," . "unix_timestamp(CURRENT_TIMESTAMP) as current,nextagent,shownmessageid,userid, " . "userAgent,groupid from {chatthread} where threadid = ?", array($id), array('return_rows' => Database::RETURN_ONE_ROW) ); } function ban_for_addr($addr) { $db = Database::getInstance(); return $db->query( "select banid,comment from {chatban} " . "where unix_timestamp(dtmtill) > unix_timestamp(CURRENT_TIMESTAMP) AND address = ?", array($addr), array('return_rows' => Database::RETURN_ONE_ROW) ); } function create_thread($groupid, $username, $remoteHost, $referer, $lang, $userid, $userbrowser, $initialState) { $db = Database::getInstance(); $query = "insert into {chatthread} (userName,userid,ltoken,remote,referer, " . "lrevision,locale,userAgent,dtmcreated,dtmmodified,istate" . ($groupid ? ",groupid" : "") . ") values " . "(?,?,?,?,?,?,?,?,CURRENT_TIMESTAMP,CURRENT_TIMESTAMP,?" . ($groupid ? ", ?" : "") . ")"; $values = array( $username, $userid, next_token(), $remoteHost, $referer, next_revision(), $lang, $userbrowser, $initialState ); if ($groupid) { $values[] = $groupid; } $db->query($query, $values); $id = $db->insertedId(); $newthread = thread_by_id($id); return $newthread; } function do_take_thread($threadid, $operatorId, $operatorName, $chatstart = false) { global $state_chatting; $params = array("istate" => $state_chatting, "nextagent" => 0, "agentId" => $operatorId, "agentName" => $operatorName); if ($chatstart){ $params['dtmchatstarted'] = "CURRENT_TIMESTAMP"; } commit_thread($threadid, $params); } function reopen_thread($threadid) { global $state_queue, $state_loading, $state_waiting, $state_chatting, $state_closed, $state_left, $kind_events; $thread = thread_by_id($threadid); if (!$thread) return FALSE; if (Settings::get('thread_lifetime') != 0 && abs($thread['lpuser'] - time()) > Settings::get('thread_lifetime') && abs($thread['lpagent'] - time()) > Settings::get('thread_lifetime')) { return FALSE; } if ($thread['istate'] == $state_closed || $thread['istate'] == $state_left) return FALSE; if ($thread['istate'] != $state_chatting && $thread['istate'] != $state_queue && $thread['istate'] != $state_loading) { commit_thread( $threadid, array("istate" => $state_waiting, "nextagent" => 0) ); } post_message_($thread['threadid'], $kind_events, getstring_("chat.status.user.reopenedthread", $thread['locale'])); return $thread; } function take_thread($thread, $operator) { global $state_queue, $state_loading, $state_waiting, $state_chatting, $kind_events, $kind_avatar, $home_locale; $state = $thread['istate']; $threadid = $thread['threadid']; $message_to_post = ""; $chatstart = $thread['chatstarted'] == 0; $operatorName = ($thread['locale'] == $home_locale) ? $operator['vclocalename'] : $operator['vccommonname']; if ($state == $state_queue || $state == $state_waiting || $state == $state_loading) { do_take_thread($threadid, $operator['operatorid'], $operatorName, $chatstart); if ($state == $state_waiting) { if ($operatorName != $thread['agentName']) { $message_to_post = getstring2_("chat.status.operator.changed", array($operatorName, $thread['agentName']), $thread['locale']); } else { $message_to_post = getstring2_("chat.status.operator.returned", array($operatorName), $thread['locale']); } } else { $message_to_post = getstring2_("chat.status.operator.joined", array($operatorName), $thread['locale']); } } else if ($state == $state_chatting) { if ($operator['operatorid'] != $thread['agentId']) { do_take_thread($threadid, $operator['operatorid'], $operatorName, $chatstart); $message_to_post = getstring2_("chat.status.operator.changed", array($operatorName, $thread['agentName']), $thread['locale']); } } else { return false; } if ($message_to_post) { post_message($threadid, $kind_events, $message_to_post); post_message($threadid, $kind_avatar, $operator['vcavatar'] ? $operator['vcavatar'] : ""); } return true; } function check_for_reassign($thread, $operator) { global $state_waiting, $home_locale, $kind_events, $kind_avatar; $operatorName = ($thread['locale'] == $home_locale) ? $operator['vclocalename'] : $operator['vccommonname']; if ($thread['istate'] == $state_waiting && ($thread['nextagent'] == $operator['operatorid'] || $thread['agentId'] == $operator['operatorid'])) { do_take_thread($thread['threadid'], $operator['operatorid'], $operatorName); if ($operatorName != $thread['agentName']) { $message_to_post = getstring2_("chat.status.operator.changed", array($operatorName, $thread['agentName']), $thread['locale']); } else { $message_to_post = getstring2_("chat.status.operator.returned", array($operatorName), $thread['locale']); } post_message($thread['threadid'], $kind_events, $message_to_post); post_message($thread['threadid'], $kind_avatar, $operator['vcavatar'] ? $operator['vcavatar'] : ""); } } function check_connections_from_remote($remote) { global $state_closed, $state_left; if (Settings::get('max_connections_from_one_host') == 0) { return true; } $db = Database::getInstance(); $result = $db->query( "select count(*) as opened from {chatthread} " . "where remote = ? AND istate <> ? AND istate <> ?", array($remote, $state_closed, $state_left), array('return_rows' => Database::RETURN_ONE_ROW) ); if ($result && isset($result['opened'])) { return $result['opened'] < Settings::get('max_connections_from_one_host'); } return true; } function visitor_from_request() { global $namecookie, $webim_encoding, $usercookie; $defaultName = getstring("chat.default.username"); $userName = $defaultName; if (isset($_COOKIE[$namecookie])) { $data = base64_decode(strtr($_COOKIE[$namecookie], '-_,', '+/=')); if (strlen($data) > 0) { $userName = myiconv("utf-8", $webim_encoding, $data); } } if ($userName == $defaultName) { $userName = getgetparam('name', $userName); } if (isset($_COOKIE[$usercookie])) { $userId = $_COOKIE[$usercookie]; } else { $userId = get_user_id(); setcookie($usercookie, $userId, time() + 60 * 60 * 24 * 365); } return array('id' => $userId, 'name' => $userName); } function get_remote_host() { $extAddr = $_SERVER['REMOTE_ADDR']; if (isset($_SERVER['HTTP_X_FORWARDED_FOR']) && $_SERVER['HTTP_X_FORWARDED_FOR'] != $_SERVER['REMOTE_ADDR']) { $extAddr = $_SERVER['REMOTE_ADDR'] . ' (' . $_SERVER['HTTP_X_FORWARDED_FOR'] . ')'; } return isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : $extAddr; } ?>