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limit number of threads from one address

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git-svn-id: https://webim.svn.sourceforge.net/svnroot/webim/trunk@459 c66351dc-e62f-0410-b875-e3a5c0b9693f
This commit is contained in:
Evgeny Gryaznov 2009-04-05 14:20:34 +00:00
parent e15e7047b2
commit 7b57fde652
3 changed files with 53 additions and 36 deletions
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28
src/messenger/webim/client.php
View File

@ -25,7 +25,7 @@ if($settings['enablessl'] == "1" && $settings['forcessl'] == "1") {
if($_SERVER['REQUEST_METHOD'] == 'GET' && $_SERVER['QUERY_STRING']) {
header("Location: ".get_app_location(true,true)."/client.php?".$_SERVER['QUERY_STRING']);
} else {
die("only https connections are processed");
die("only https connections are handled");
}
exit;
}
@ -101,24 +101,30 @@ if( !isset($_GET['token']) || !isset($_GET['thread']) ) {
}
$userbrowser = $_SERVER['HTTP_USER_AGENT'];
$remoteHost = isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : $extAddr;
$thread = create_thread($groupid,$visitor['name'], $remoteHost, $referer,$current_locale,$visitor['id'], $userbrowser);
$_SESSION['threadid'] = $thread['threadid'];
if( $referer ) {
post_message($thread['threadid'],$kind_for_agent,getstring2('chat.came.from',array($referer)));
$link = connect();
if(!check_connections_from_remote($remoteHost, $link)) {
mysql_close($link);
die("number of connections from your IP is exceeded, try again later");
}
post_message($thread['threadid'],$kind_info,getstring('chat.wait'));
$thread = create_thread($groupid,$visitor['name'], $remoteHost, $referer,$current_locale,$visitor['id'], $userbrowser,$link);
$_SESSION['threadid'] = $thread['threadid'];
if( $referer ) {
post_message_($thread['threadid'],$kind_for_agent,getstring2('chat.came.from',array($referer)),$link);
}
post_message_($thread['threadid'],$kind_info,getstring('chat.wait'),$link);
if($email) {
post_message($thread['threadid'],$kind_for_agent,getstring2('chat.visitor.email',array($email)));
post_message_($thread['threadid'],$kind_for_agent,getstring2('chat.visitor.email',array($email)),$link);
}
if($info) {
post_message($thread['threadid'],$kind_for_agent,getstring2('chat.visitor.info',array($info)));
post_message_($thread['threadid'],$kind_for_agent,getstring2('chat.visitor.info',array($info)),$link);
}
if($firstmessage) {
$postedid = post_message($thread['threadid'],$kind_user,$firstmessage,$visitor['name']);
$link = connect();
$postedid = post_message_($thread['threadid'],$kind_user,$firstmessage,$link,$visitor['name']);
commit_thread( $thread['threadid'], array('shownmessageid' => $postedid), $link);
mysql_close($link);
}
mysql_close($link);
}
$threadid = $thread['threadid'];
$token = $thread['ltoken'];

55
src/messenger/webim/libs/chat.php
View File

@ -413,28 +413,28 @@ function rename_user($thread, $newname) {
global $kind_events;
$link = connect();
commit_thread( $thread['threadid'], array('userName' => "'".mysql_real_escape_string($newname)."'"), $link);
mysql_close($link);
commit_thread( $thread['threadid'], array('userName' => "'".mysql_real_escape_string($newname,$link)."'"), $link);
if( $thread['userName'] != $newname ) {
post_message($thread['threadid'],$kind_events,
getstring2_("chat.status.user.changedname",array($thread['userName'], $newname), $thread['locale']));
post_message_($thread['threadid'],$kind_events,
getstring2_("chat.status.user.changedname",array($thread['userName'], $newname), $thread['locale']), $link);
}
mysql_close($link);
}
function close_thread($thread,$isuser) {
global $state_closed, $kind_events;
if( $thread['istate'] != $state_closed ) {
$link = connect();
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)'), $link);
mysql_close($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, $message);
post_message_($thread['threadid'], $kind_events, $message, $link);
mysql_close($link);
}
function thread_by_id_($id,$link) {
@ -455,27 +455,24 @@ function thread_by_id($id) {
return $thread;
}
function create_thread($groupid,$username,$remoteHost,$referer,$lang,$userid,$userbrowser) {
function create_thread($groupid,$username,$remoteHost,$referer,$lang,$userid,$userbrowser,$link) {
global $state_loading;
$link = connect();
$query = sprintf(
"insert into chatthread (userName,userid,ltoken,remote,referer,lrevision,locale,userAgent,dtmcreated,dtmmodified,istate".($groupid?",groupid":"").") values ".
"('%s','%s',%s,'%s','%s',%s,'%s','%s',CURRENT_TIMESTAMP,CURRENT_TIMESTAMP,$state_loading".($groupid?",$groupid":"").")",
mysql_real_escape_string($username),
mysql_real_escape_string($userid),
mysql_real_escape_string($username, $link),
mysql_real_escape_string($userid, $link),
next_token(),
mysql_real_escape_string($remoteHost),
mysql_real_escape_string($referer),
mysql_real_escape_string($remoteHost, $link),
mysql_real_escape_string($referer, $link),
next_revision($link),
mysql_real_escape_string($lang),
mysql_real_escape_string($userbrowser));
mysql_real_escape_string($lang, $link),
mysql_real_escape_string($userbrowser, $link));
perform_query($query,$link);
$id = mysql_insert_id($link);
$newthread = thread_by_id_($id,$link);
mysql_close($link);
return $newthread;
}
@ -486,13 +483,14 @@ function do_take_thread($threadid,$operatorId,$operatorName) {
array("istate" => $state_chatting,
"nextagent" => 0,
"agentId" => $operatorId,
"agentName" => "'".mysql_real_escape_string($operatorName)."'"), $link);
"agentName" => "'".mysql_real_escape_string($operatorName, $link)."'"), $link);
mysql_close($link);
}
function reopen_thread($threadid) {
global $state_queue,$state_loading,$state_waiting,$state_chatting,$state_closed,$kind_events;
$thread = thread_by_id($threadid);
$link = connect();
$thread = thread_by_id_($threadid, $link);
if( !$thread )
return FALSE;
@ -501,13 +499,12 @@ function reopen_thread($threadid) {
return FALSE;
if( $thread['istate'] != $state_chatting && $thread['istate'] != $state_queue && $thread['istate'] != $state_loading ) {
$link = connect();
commit_thread( $threadid,
array("istate" => $state_waiting, "nextagent" => 0), $link);
mysql_close($link);
}
post_message($thread['threadid'], $kind_events, getstring_("chat.status.user.reopenedthread", $thread['locale']));
post_message_($thread['threadid'], $kind_events, getstring_("chat.status.user.reopenedthread", $thread['locale']), $link);
mysql_close($link);
return $thread;
}
@ -565,6 +562,20 @@ function check_for_reassign($thread,$operator) {
}
}
function check_connections_from_remote($remote,$link) {
global $settings, $state_closed;
if($settings['max_connections_from_one_host'] == 0) {
return true;
}
$result = select_one_row(
"select count(*) as opened from chatthread ".
"where remote = '". mysql_real_escape_string($remote, $link)."' AND istate <> $state_closed", $link );
if($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");

6
src/messenger/webim/thread.php
View File

@ -70,12 +70,12 @@ if( $act == "refresh" ) {
show_error("cannot send");
}
$postedid = post_message($threadid,$kind,$message,$from, $isuser ? null : $operator['operatorid'] );
if($isuser && $thread["shownmessageid"] == 0) {
$link = connect();
$postedid = post_message_($threadid,$kind,$message,$link,$from,null,$isuser ? null : $operator['operatorid'] );
if($isuser && $thread["shownmessageid"] == 0) {
commit_thread( $thread['threadid'], array('shownmessageid' => $postedid), $link);
mysql_close($link);
}
mysql_close($link);
print_thread_messages($thread, $token, $lastid, $isuser, $outformat, $isuser ? null : $operator['operatorid']);
exit;