Better and faster basic flood prevention, while merging it into $config['filters'].

This commit is contained in:
Michael Foster 2013-09-06 23:09:18 +10:00
parent 14ff0fbeb3
commit f309e4037c
6 changed files with 294 additions and 111 deletions

View file

@ -168,13 +168,6 @@
* ====================
*/
// Minimum time between between each post by the same IP address.
$config['flood_time'] = 10;
// Minimum time between between each post with the exact same content AND same IP address.
$config['flood_time_ip'] = 120;
// Same as above but by a different IP address. (Same content, not necessarily same IP address.)
$config['flood_time_same'] = 30;
/*
* To further prevent spam and abuse, you can use DNS blacklists (DNSBL). A DNSBL is a list of IP
* addresses published through the Internet Domain Name Service (DNS) either as a zone file that can be
@ -283,6 +276,118 @@
$config['recaptcha_public'] = '6LcXTcUSAAAAAKBxyFWIt2SO8jwx4W7wcSMRoN3f';
$config['recaptcha_private'] = '6LcXTcUSAAAAAOGVbVdhmEM1_SyRF4xTKe8jbzf_';
/*
* Custom filters detect certain posts and reject/ban accordingly. They are made up of a condition and an
* action (for when ALL conditions are met). As every single post has to be put through each filter,
* having hundreds probably isn't ideal as it could slow things down.
*
* By default, the custom filters array is populated with basic flood prevention conditions. This
* includes forcing users to wait at least 5 seconds between posts. To disable (or amend) these flood
* prevention settings, you will need to empty the $config['filters'] array first. You can do so by
* adding "$config['filters'] = array();" to inc/instance-config.php. Basic flood prevention used to be
* controlled solely by config variables such as $config['flood_time'] and $config['flood_time_ip'], and
* it still is, as long as you leave the relevant $config['filters'] intact. These old config variables
* still exist for backwards-compatability and general convenience.
*
* Read more: http://tinyboard.org/docs/index.php?p=Config/Filters
*/
// Minimum time between between each post by the same IP address.
$config['flood_time'] = 10;
// Minimum time between between each post with the exact same content AND same IP address.
$config['flood_time_ip'] = 120;
// Same as above but by a different IP address. (Same content, not necessarily same IP address.)
$config['flood_time_same'] = 30;
// Minimum time between posts by the same IP address (all boards).
$config['filters'][] = array(
'condition' => array(
'flood-match' => array('ip'), // Only match IP address
'flood-time' => &$config['flood_time'] // 10 seconds minimum
),
'action' => 'reject',
'message' => &$config['error']['flood']
);
// Minimum time between posts by the same IP address with the same text.
$config['filters'][] = array(
'condition' => array(
'flood-match' => array('ip', 'body'), // Match IP address and post body
'flood-time' => &$config['flood_time_ip'] // 2 minutes minimum
),
'action' => 'reject',
'message' => &$config['error']['flood']
);
// Minimum time between posts with the same text. (Same content, but not always the same IP address.)
$config['filters'][] = array(
'condition' => array(
'flood-match' => array('body'), // Match IP address and post body
'flood-time' => &$config['flood_time_same'] // 30 seconds minimum
),
'action' => 'reject',
'message' => &$config['error']['flood']
);
// Example: Minimum time between posts with the same file hash.
// $config['filters'][] = array(
// 'condition' => array(
// 'flood-match' => array('file'), // Match file hash
// 'flood-time' => 60 * 2 // 2 minutes minimum
// ),
// 'action' => 'reject',
// 'message' => &$config['error']['flood']
// );
// An example of blocking an imaginary known spammer, who keeps posting a reply with the name "surgeon",
// ending his posts with "regards, the surgeon" or similar.
// $config['filters'][] = array(
// 'condition' => array(
// 'name' => '/^surgeon$/',
// 'body' => '/regards,\s+(the )?surgeon$/i',
// 'OP' => false
// ),
// 'action' => 'reject',
// 'message' => 'Go away, spammer.'
// );
// Same as above, but issuing a 3-hour ban instead of just reject the post.
// $config['filters'][] = array(
// 'condition' => array(
// 'name' => '/^surgeon$/',
// 'body' => '/regards,\s+(the )?surgeon$/i',
// 'OP' => false
// ),
// 'action' => 'ban',
// 'expires' => 60 * 60 * 3, // 3 hours
// 'reason' => 'Go away, spammer.'
// );
// PHP 5.3+ (anonymous functions)
// There is also a "custom" condition, making the possibilities of this feature pretty much endless.
// This is a bad example, because there is already a "name" condition built-in.
// $config['filters'][] = array(
// 'condition' => array(
// 'body' => '/h$/i',
// 'OP' => false,
// 'custom' => function($post) {
// if($post['name'] == 'Anonymous')
// return true;
// else
// return false;
// }
// ),
// 'action' => 'reject'
// );
// Filter flood prevention conditions ("flood-match") depend on a table which contains a cache of recent
// posts across all boards. This table is automatically purged of older posts, determining the maximum
// "age" by looking at each filter. However, when determining the maximum age, Tinyboard does not look
// outside the current board. This means that if you have a special flood condition for a specific board
// (contained in a board configuration file) which has a flood-time greater than any of those in the
// global configuration, you need to set the following variable to the maximum flood-time condition value.
// $config['flood_cache'] = 60 * 60 * 24; // 24 hours
/*
* ====================
* Post settings
@ -401,57 +506,6 @@
// Require users to see the ban page at least once for a ban even if it has since expired.
$config['require_ban_view'] = true;
/*
* Custom filters detect certain posts and reject/ban accordingly. They are made up of a
* condition and an action (for when ALL conditions are met). As every single post has to
* be put through each filter, having hundreds probably isnt ideal as it could slow things down.
*
* Read more: http://tinyboard.org/docs/index.php?p=Config/Filters
*
* This used to be named $config['flood_filters'] (still exists as an alias).
*/
// An example of blocking an imaginary known spammer, who keeps posting a reply with the name "surgeon",
// ending his posts with "regards, the surgeon" or similar.
// $config['filters'][] = array(
// 'condition' => array(
// 'name' => '/^surgeon$/',
// 'body' => '/regards,\s+(the )?surgeon$/i',
// 'OP' => false
// ),
// 'action' => 'reject',
// 'message' => 'Go away, spammer.'
// );
// Same as above, but issuing a 3-hour ban instead of just reject the post.
// $config['filters'][] = array(
// 'condition' => array(
// 'name' => '/^surgeon$/',
// 'body' => '/regards,\s+(the )?surgeon$/i',
// 'OP' => false
// ),
// 'action' => 'ban',
// 'expires' => 60 * 60 * 3, // 3 hours
// 'reason' => 'Go away, spammer.'
// );
// PHP 5.3+ (anonymous functions)
// There is also a "custom" condition, making the possibilities of this feature pretty much endless.
// This is a bad example, because there is already a "name" condition built-in.
// $config['filters'][] = array(
// 'condition' => array(
// 'body' => '/h$/i',
// 'OP' => false,
// 'custom' => function($post) {
// if($post['name'] == 'Anonymous')
// return true;
// else
// return false;
// }
// ),
// 'action' => 'reject'
// );
/*
* ====================
* Markup settings
@ -593,10 +647,6 @@
// that as a thumbnail instead of resizing/redrawing.
$config['minimum_copy_resize'] = false;
// Image hashing function. There's really no reason to change this.
// sha1_file, md5_file, etc. You can also define your own similar function.
$config['file_hash'] = 'sha1_file';
// Maximum image upload size in bytes.
$config['max_filesize'] = 10 * 1024 * 1024; // 10MB
// Maximum image dimensions.
@ -1156,7 +1206,8 @@
// Post bypass unoriginal content check on robot-enabled boards
$config['mod']['postunoriginal'] = ADMIN;
// Bypass flood check
$config['mod']['flood'] = ADMIN;
$config['mod']['bypass_filters'] = ADMIN;
$config['mod']['flood'] = &$config['mod']['bypass_filters'];
// Raw HTML posting
$config['mod']['rawhtml'] = ADMIN;