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Adding anti-spam protection from akismet.com to the forums. Disabled by default; see http://boinc.berkeley.edu/trac/wiki/ProtectionFromSpam for information on how to enable it. 

svn path=/trunk/boinc/; revision=12420
This commit is contained in:
Rytis Slatkevičius 2007-04-19 18:22:38 +00:00
parent 591a93ebe1
commit f198d8c78e
3 changed files with 63 additions and 1 deletions
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59
html/inc/akismet.inc Normal file
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@ -0,0 +1,59 @@
<?php
function akismet_check($user, $post) {
$config = get_config();
$master_url = parse_config($config, "<master_url>");
$key = parse_config(get_config(), "<akismet_key>");
if ($key == null) {
exit();
return true; // unable to get key from config
}
$master_url = urlencode($master_url);
$response = akismet_request("key=$key&blog=$master_url", "rest.akismet.com", "/1.1/verify-key");
if ("valid" == $response[1] ) {
$post = urlencode($post);
$ip = urlencode($_SERVER['REMOTE_ADDR']);
$referrer = urlencode($_SERVER['HTTP_REFERER']);
$author = urlencode($user->getName());
$useragent = urlencode($_SERVER['HTTP_USER_AGENT']);
$request = "blog=$master_url";
$request .= "&user_ip=$ip";
$request .= "&user_agent=$useragent";
$request .= "&referrer=$referrer";
$request .= "&comment_author=$author";
$request .= "&comment_content=$post";
$response = akismet_request($request, "$key.rest.akismet.com", "/1.1/comment-check");
if ("true" == $response[1]) { // Akismet says it's spam
error_page("Your post has been marked as spam by akismet.net anti-spam system. If you feel that this is wrong, please try editing your message.");
} else {
return true;
}
} else {
return true; // invalid key
}
}
function akismet_request($request, $host, $path, $port = 80) {
$http_request = "POST $path HTTP/1.0\r\n";
$http_request .= "Host: $host\r\n";
$http_request .= "Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n";
$http_request .= "Content-Length: " . strlen($request) . "\r\n";
$http_request .= "User-Agent: BOINC | Akismet 1.1\r\n";
$http_request .= "\r\n";
$http_request .= $request;
$response = '';
if( false !== ( $fs = @fsockopen($host, $port, $errno, $errstr, 3) ) ) {
fwrite($fs, $http_request);
while ( !feof($fs) )
$response .= fgets($fs, 1160); // One TCP-IP packet
fclose($fs);
$response = explode("\r\n\r\n", $response, 2);
}
return $response;
}
?>

2
html/user/forum_post.php
View File

@ -8,6 +8,7 @@ $cvs_version_tracker[]="\$Id$"; //Generated automatically - do not edit
require_once('../inc/forum_email.inc');
require_once('../inc/forum.inc');
require_once('../inc/forum_std.inc');
require_once('../inc/akismet.inc');
db_init();
@ -50,6 +51,7 @@ if ($content && $title){
$add_signature=false;
}
check_tokens($logged_in_user->getAuthenticator());
akismet_check($logged_in_user, $content);
$thread = $forum->createThread($title, $content, $logged_in_user, $add_signature);
header('Location: forum_thread.php?id=' . $thread->getID());
}

3
html/user/forum_reply.php
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@ -3,10 +3,10 @@
* Using this file you can post a reply to a thread. Both input (form) and
* action take place here.
**/
require_once('../inc/forum_email.inc');
require_once('../inc/forum.inc');
require_once('../inc/forum_std.inc');
require_once('../inc/akismet.inc');
db_init();
@ -71,6 +71,7 @@ if ($content){
$add_signature=false;
}
check_tokens($logged_in_user->getAuthenticator());
akismet_check($logged_in_user, $content);
$thread->createReply($content, $parent_post, $logged_in_user, $add_signature);
header('Location: forum_thread.php?id='.$thread->getID());
}