"user", $kind_agent => "agent", $kind_for_agent => "hidden", $kind_info => "inf", $kind_conn => "conn", $kind_events => "event", $kind_avatar => "avatar"); function get_user_id() { return (time() + microtime()) . rand(0, 99999999); } function next_token() { return rand(99999, 99999999); } function next_revision($link) { global $mysqlprefix; perform_query("update ${mysqlprefix}chatrevision set id=LAST_INSERT_ID(id+1)", $link); $val = db_insert_id($link); return $val; } function post_message_($threadid, $kind, $message, $link, $from = null, $utime = null, $opid = null) { global $mysqlprefix; $query = sprintf( "insert into ${mysqlprefix}chatmessage (threadid,ikind,tmessage,tname,agentId,dtmcreated) values (%s, %s,'%s',%s,%s,%s)", $threadid, $kind, db_escape_string($message, $link), $from ? "'" . db_escape_string($from, $link) . "'" : "null", $opid ? $opid : "0", $utime ? "FROM_UNIXTIME($utime)" : "CURRENT_TIMESTAMP"); perform_query($query, $link); return db_insert_id($link); } function post_message($threadid, $kind, $message, $from = null, $agentid = null) { $link = connect(); $id = post_message_($threadid, $kind, $message, $link, $from, null, $agentid); close_connection($link); return $id; } function prepare_html_message($text) { $escaped_text = htmlspecialchars($text); $text_w_links = preg_replace('/(https?|ftp):\/\/\S*/', '$0', $escaped_text); $multiline = str_replace("\n", "
", $text_w_links); return $multiline; } function message_to_html($msg) { global $kind_to_string, $kind_avatar; if ($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']) . ": "; $message .= "" . prepare_html_message($msg['tmessage']) . "
"; 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, $mysqlprefix; $link = connect(); $query = sprintf( "select messageid,ikind,unix_timestamp(dtmcreated) as created,tname,tmessage from ${mysqlprefix}chatmessage " . "where threadid = %s and messageid > %s %s order by messageid", $threadid, $lastid, $isuser ? "and ikind <> $kind_for_agent" : ""); $messages = array(); $msgs = select_multi_assoc($query, $link); foreach ($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 = $msg['messageid']; } } close_connection($link); return $messages; } function print_thread_messages($thread, $token, $lastid, $isuser, $format, $agentid = null) { global $webim_encoding, $webimroot, $connection_timeout, $settings; $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") { loadsettings(); $output = get_messages($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) { global $settings; loadsettings(); return str_replace("{addr}", $addr, str_replace("{id}", $id, str_replace("{name}", $username, $settings['usernamepattern']))); } function is_ajax_browser($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() { global $page, $settings; loadsettings(); $page['ct.company.name'] = topage($settings['title']); $page['ct.company.chatLogoURL'] = topage($settings['logo']); $page['webimHost'] = topage($settings['hosturl']); } function setup_leavemessage($name, $email, $message, $groupid, $groupname, $info, $referrer, $canshowcaptcha) { global $settings, $page; $page['formname'] = topage($name); $page['formemail'] = topage($email); $page['formmessage'] = $message ? topage($message) : ""; $page['showcaptcha'] = $settings["enablecaptcha"] == "1" && $canshowcaptcha ? "1" : ""; $page['formgroupid'] = $groupid; $page['formgroupname'] = $groupname; $page['forminfo'] = topage($info); $page['referrer'] = urlencode(topage($referrer)); } function setup_survey($name, $email, $groupid, $info, $referrer) { global $settings, $page; $page['formname'] = topage($name); $page['formemail'] = topage($email); $page['formgroupid'] = $groupid; $page['forminfo'] = topage($info); $page['referrer'] = urlencode(topage($referrer)); if ($settings['enablegroups'] == '1' && $settings["surveyaskgroup"] == "1") { $link = connect(); $allgroups = get_groups($link, false); close_connection($link); $val = ""; foreach ($allgroups as $k) { $groupname = $k['vclocalname']; if ($k['inumofagents'] == 0) { continue; } if ($k['ilastseen'] !== NULL && $k['ilastseen'] < $settings['online_timeout']) { if (!$groupid) { $groupid = $k['groupid']; // select first online group } } else { $groupname .= " (offline)"; } $isselected = $k['groupid'] == $groupid; $val .= "$groupname"; } $page['groups'] = $val; } $page['showemail'] = $settings["surveyaskmail"] == "1" ? "1" : ""; $page['showmessage'] = $settings["surveyaskmessage"] == "1" ? "1" : ""; $page['showname'] = $settings['usercanchangename'] == "1" ? "1" : ""; } function setup_chatview_for_user($thread, $level) { global $page, $webimroot, $settings; loadsettings(); $page = 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['usercanchangename'] == "1"; $page['chat.title'] = topage($settings['chattitle']); setup_logo(); if ($settings['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['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'] = $settings['updatefrequency_chat']; } function load_canned_messages($locale, $groupid) { global $mysqlprefix; $link = connect(); $result = select_multi_assoc( "select vcvalue from ${mysqlprefix}chatresponses where locale = '$locale' " . "AND (groupid is NULL OR groupid = 0) order by vcvalue", $link); if (count($result) == 0) { foreach (explode("\n", getstring_('chat.predefined_answers', $locale)) as $answer) { $result[] = array('vcvalue' => $answer); } } if ($groupid) { $result2 = select_multi_assoc( "select vcvalue from ${mysqlprefix}chatresponses where locale = '$locale' " . "AND groupid = $groupid order by vcvalue", $link); foreach ($result as $r) { $result2[] = $r; } $result = $result2; } close_connection($link); return $result; } function setup_chatview_for_operator($thread, $operator) { global $page, $webimroot, $company_logo_link, $company_name, $settings; loadsettings(); $page = 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']))); $page['chat.title'] = topage($settings['chattitle']); setup_logo(); if ($settings['sendmessagekey'] == 'enter') { $page['send_shortcut'] = "Enter"; $page['ignorectrl'] = 1; } else { $page['send_shortcut'] = is_mac_opera() ? "⌘-Enter" : "Ctrl-Enter"; $page['ignorectrl'] = 0; } if ($settings['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['enabletracking']) { $link = connect(); $visitor = track_get_visitor_by_threadid($thread['threadid'], $link); $page['trackedParams'] = array("visitor" => "" . $visitor['visitorid']); $page['trackedParamsLink'] = add_params($webimroot . "/operator/tracked.php", $page['trackedParams']); close_connection($link); } $predefinedres = ""; $canned_messages = load_canned_messages($thread['locale'], $thread['groupid']); foreach ($canned_messages as $answer) { $predefinedres .= "" . htmlspecialchars(topage($answer['vcvalue'])) . ""; } $page['predefinedAnswers'] = $predefinedres; $params = "thread=" . $thread['threadid'] . "&token=" . $thread['ltoken']; $page['redirectLink'] = "$webimroot/operator/agent.php?" . $params . "&act=redirect"; $page['namePostfix'] = ""; $page['frequency'] = $settings['updatefrequency_chat']; } function update_thread_access($threadid, $params, $link) { global $mysqlprefix; $clause = ""; foreach ($params as $k => $v) { if (strlen($clause) > 0) $clause .= ", "; $clause .= $k . "=" . $v; } perform_query( "update ${mysqlprefix}chatthread set $clause " . "where threadid = $threadid", $link); } function ping_thread($thread, $isuser, $istyping) { global $kind_for_agent, $state_queue, $state_loading, $state_chatting, $state_waiting, $kind_conn, $connection_timeout; $link = connect(); $params = array(($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, $link); close_connection($link); 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, $link, 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, $link, null, $lastping + $connection_timeout); $params['istate'] = $state_waiting; $params['nextagent'] = 0; commit_thread($thread['threadid'], $params, $link); close_connection($link); return; } } update_thread_access($thread['threadid'], $params, $link); close_connection($link); } function commit_thread($threadid, $params, $link) { global $mysqlprefix; $query = "update ${mysqlprefix}chatthread t set lrevision = " . next_revision($link) . ", dtmmodified = CURRENT_TIMESTAMP"; foreach ($params as $k => $v) { $query .= ", " . $k . "=" . $v; } $query .= " where threadid = $threadid"; perform_query($query, $link); } function rename_user($thread, $newname) { global $kind_events; $link = connect(); commit_thread($thread['threadid'], array('userName' => "'" . db_escape_string($newname, $link) . "'"), $link); if ($thread['userName'] != $newname) { post_message_($thread['threadid'], $kind_events, getstring2_("chat.status.user.changedname", array($thread['userName'], $newname), $thread['locale']), $link); } close_connection($link); } function close_thread($thread, $isuser) { global $state_closed, $kind_events, $mysqlprefix; $link = connect(); if ($thread['istate'] != $state_closed) { commit_thread($thread['threadid'], array('istate' => $state_closed, 'messageCount' => "(SELECT COUNT(*) FROM ${mysqlprefix}chatmessage WHERE ${mysqlprefix}chatmessage.threadid = t.threadid AND ikind = 1)"), $link); } $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, $link); close_connection($link); } function thread_by_id_($id, $link) { global $mysqlprefix; return select_one_row("select threadid,userName,agentName,agentId,lrevision,istate,ltoken,userTyping,agentTyping" . ",unix_timestamp(dtmmodified) as modified, unix_timestamp(dtmcreated) as created" . ",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 ${mysqlprefix}chatthread where threadid = " . $id, $link); } function ban_for_addr_($addr, $link) { global $mysqlprefix; return select_one_row("select banid,comment from ${mysqlprefix}chatban where unix_timestamp(dtmtill) > unix_timestamp(CURRENT_TIMESTAMP) AND address = '" . db_escape_string($addr, $link) . "'", $link); } function thread_by_id($id) { $link = connect(); $thread = thread_by_id_($id, $link); close_connection($link); return $thread; } function create_thread($groupid, $username, $remoteHost, $referer, $lang, $userid, $userbrowser, $initialState, $link) { global $mysqlprefix; $query = sprintf( "insert into ${mysqlprefix}chatthread (userName,userid,ltoken,remote,referer,lrevision,locale,userAgent,dtmcreated,dtmmodified,istate" . ($groupid ? ",groupid" : "") . ") values " . "('%s','%s',%s,'%s','%s',%s,'%s','%s',CURRENT_TIMESTAMP,CURRENT_TIMESTAMP,$initialState" . ($groupid ? ",$groupid" : "") . ")", db_escape_string($username, $link), db_escape_string($userid, $link), next_token(), db_escape_string($remoteHost, $link), db_escape_string($referer, $link), next_revision($link), db_escape_string($lang, $link), db_escape_string($userbrowser, $link)); perform_query($query, $link); $id = db_insert_id($link); $newthread = thread_by_id_($id, $link); return $newthread; } function do_take_thread($threadid, $operatorId, $operatorName) { global $state_chatting; $link = connect(); commit_thread($threadid, array("istate" => $state_chatting, "nextagent" => 0, "agentId" => $operatorId, "agentName" => "'" . db_escape_string($operatorName, $link) . "'"), $link); close_connection($link); } function reopen_thread($threadid) { global $state_queue, $state_loading, $state_waiting, $state_chatting, $state_closed, $state_left, $kind_events; $link = connect(); $thread = thread_by_id_($threadid, $link); if (!$thread) 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), $link); } post_message_($thread['threadid'], $kind_events, getstring_("chat.status.user.reopenedthread", $thread['locale']), $link); close_connection($link); 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 = ""; $operatorName = ($thread['locale'] == $home_locale) ? $operator['vclocalename'] : $operator['vccommonname']; if ($state == $state_queue || $state == $state_waiting || $state == $state_loading) { do_take_thread($threadid, $operator['operatorid'], $operatorName); if ($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); $message_to_post = getstring2_("chat.status.operator.changed", array($operatorName, $thread['agentName']), $thread['locale']); } } else { die("cannot take thread"); } if ($message_to_post) { post_message($threadid, $kind_events, $message_to_post); post_message($threadid, $kind_avatar, $operator['vcavatar'] ? $operator['vcavatar'] : ""); } } function check_for_reassign($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, $link) { global $settings, $state_closed, $state_left, $mysqlprefix; if ($settings['max_connections_from_one_host'] == 0) { return true; } $result = select_one_row( "select count(*) as opened from ${mysqlprefix}chatthread " . "where remote = '" . db_escape_string($remote, $link) . "' AND istate <> $state_closed AND istate <> $state_left", $link); if ($result && isset($result['opened'])) { return $result['opened'] < $settings['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; } ?>