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Merge pull request #678 from Zankaria/format-filter

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Format filter
This commit is contained in:
Lorenzo Yario 2024-02-23 09:15:13 -08:00 committed by GitHub
commit 3d05ba0247
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GPG Key ID: B5690EEEBB952194
1 changed files with 87 additions and 68 deletions
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105
inc/filters.php
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@ -11,24 +11,27 @@ class Filter {
private $condition;
private $post;
public function __construct(array $arr) {
foreach ($arr as $key => $value)
foreach ($arr as $key => $value) {
$this->$key = $value;
}
}
public function match($condition, $match) {
$condition = strtolower($condition);
$post = &$this->post;
switch($condition) {
case 'custom':
if (!is_callable($match))
if (!is_callable($match)) {
error('Custom condition for filter is not callable!');
}
return $match($post);
case 'flood-match':
if (!is_array($match))
if (!is_array($match)) {
error('Filter condition "flood-match" must be an array.');
}
// Filter out "flood" table entries which do not match this filter.
@ -38,26 +41,32 @@ class Filter {
foreach ($match as $flood_match_arg) {
switch ($flood_match_arg) {
case 'ip':
if ($flood_post['ip'] != $_SERVER['REMOTE_ADDR'])
if ($flood_post['ip'] != $_SERVER['REMOTE_ADDR']) {
continue 3;
}
break;
case 'body':
if ($flood_post['posthash'] != make_comment_hex($post['body_nomarkup']))
if ($flood_post['posthash'] != make_comment_hex($post['body_nomarkup'])) {
continue 3;
}
break;
case 'file':
if (!isset($post['filehash']))
if (!isset($post['filehash'])) {
return false;
if ($flood_post['filehash'] != $post['filehash'])
}
if ($flood_post['filehash'] != $post['filehash']) {
continue 3;
}
break;
case 'board':
if ($flood_post['board'] != $post['board'])
if ($flood_post['board'] != $post['board']) {
continue 3;
}
break;
case 'isreply':
if ($flood_post['isreply'] == $post['op'])
if ($flood_post['isreply'] == $post['op']) {
continue 3;
}
break;
default:
error('Invalid filter flood condition: ' . $flood_match_arg);
@ -67,7 +76,6 @@ class Filter {
}
$this->flood_check = $flood_check_matched;
return !empty($this->flood_check);
case 'flood-time':
foreach ($this->flood_check as $flood_post) {
@ -97,8 +105,9 @@ class Filter {
case 'filehash':
return $match === $post['filehash'];
case 'filename':
if (!$post['files'])
if (!$post['files']) {
return false;
}
foreach ($post['files'] as $file) {
if (preg_match($match, $file['filename'])) {
@ -107,8 +116,9 @@ class Filter {
}
return false;
case 'extension':
if (!$post['files'])
if (!$post['files']) {
return false;
}
foreach ($post['files'] as $file) {
if (preg_match($match, $file['extension'])) {
@ -137,36 +147,40 @@ class Filter {
$this->add_note = isset($this->add_note) ? $this->add_note : false;
if ($this->add_note) {
$query = prepare('INSERT INTO ``ip_notes`` VALUES (NULL, :ip, :mod, :time, :body)');
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':mod', -1);
$query->bindValue(':time', time());
$query->bindValue(':body', "Autoban message: ".$this->post['body']);
$query->execute() or error(db_error($query));
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':mod', -1);
$query->bindValue(':time', time());
$query->bindValue(':body', "Autoban message: ".$this->post['body']);
$query->execute() or error(db_error($query));
}
if (isset ($this->action)) switch($this->action) {
case 'reject':
error(isset($this->message) ? $this->message : 'Posting throttled by filter.');
case 'ban':
if (!isset($this->reason))
error('The ban action requires a reason.');
if (isset($this->action)) {
switch($this->action) {
case 'reject':
error(isset($this->message) ? $this->message : 'Posting throttled by filter.');
case 'ban':
if (!isset($this->reason)) {
error('The ban action requires a reason.');
}
$this->expires = isset($this->expires) ? $this->expires : false;
$this->reject = isset($this->reject) ? $this->reject : true;
$this->all_boards = isset($this->all_boards) ? $this->all_boards : false;
$this->expires = isset($this->expires) ? $this->expires : false;
$this->reject = isset($this->reject) ? $this->reject : true;
$this->all_boards = isset($this->all_boards) ? $this->all_boards : false;
Bans::new_ban($_SERVER['REMOTE_ADDR'], $this->reason, $this->expires, $this->all_boards ? false : $board['uri'], -1);
Bans::new_ban($_SERVER['REMOTE_ADDR'], $this->reason, $this->expires, $this->all_boards ? false : $board['uri'], -1);
if ($this->reject) {
if (isset($this->message))
error($message);
if ($this->reject) {
if (isset($this->message)) {
error($message);
}
checkBan($board['uri']);
exit;
}
checkBan($board['uri']);
exit;
}
break;
default:
error('Unknown filter action: ' . $this->action);
break;
default:
error('Unknown filter action: ' . $this->action);
}
}
}
@ -176,10 +190,13 @@ class Filter {
if ($condition[0] == '!') {
$NOT = true;
$condition = substr($condition, 1);
} else $NOT = false;
} else {
$NOT = false;
}
if ($this->match($condition, $value) == $NOT)
if ($this->match($condition, $value) == $NOT) {
return false;
}
}
return true;
}
@ -197,8 +214,9 @@ function purge_flood_table() {
} else {
$max_time = 0;
foreach ($config['filters'] as $filter) {
if (isset($filter['condition']['flood-time']))
if (isset($filter['condition']['flood-time'])) {
$max_time = max($max_time, $filter['condition']['flood-time']);
}
}
}
@ -210,8 +228,9 @@ function purge_flood_table() {
function do_filters(array $post) {
global $config;
if (!isset($config['filters']) || empty($config['filters']))
if (!isset($config['filters']) || empty($config['filters'])) {
return;
}
foreach ($config['filters'] as $filter) {
if (isset($filter['condition']['flood-match'])) {
@ -240,10 +259,10 @@ function do_filters(array $post) {
foreach ($config['filters'] as $filter_array) {
$filter = new Filter($filter_array);
$filter->flood_check = $flood_check;
if ($filter->check($post))
if ($filter->check($post)) {
$filter->action();
}
}
purge_flood_table();
}