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bans.php: group deletions

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This commit is contained in:
Zankaria 2024-03-22 10:49:47 +01:00
parent a2eb3d9053
commit 67b88ec78f
2 changed files with 70 additions and 9 deletions
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69
inc/bans.php
View File

@ -3,6 +3,31 @@
use Lifo\IP\CIDR;
class Bans {
static private function deleteBans(array $ban_ids) {
$len = count($ban_ids);
if ($len === 1) {
$query = prepare('DELETE FROM ``bans`` WHERE `id` = :id');
$query->bindValue(':id', $ban_ids[0], PDO::PARAM_INT);
$query->execute() or error(db_error());
} elseif ($len >= 1) {
// Build the query.
$query = 'DELETE FROM ``bans`` WHERE `id` IN (';
for ($i = 0; $i < $len; $i++) {
$query .= ":id{$i},";
}
// Substitute the last comma with a parenthesis.
substr_replace($query, ')', strlen($query) - 1);
// Bind the params
$query = prepare($query);
for ($i = 0; $i < $len; $i++) {
$query->bindValue(":id{$i}", (int)$ban_ids[$i], PDO::PARAM_INT);
}
$query->execute() or error(db_error());
}
}
static public function range_to_string($mask) {
list($ipstart, $ipend) = $mask;
@ -113,6 +138,45 @@ class Bans {
return array($ipstart, $ipend);
}
static public function findSingle(string $ip, int $ban_id, bool $require_ban_view): array|null {
/**
* Use OR in the query to also garbage collect bans. Ideally we should move the whole GC procedure to a separate
* script, but it will require a more important restructuring.
*/
$query = prepare(
'SELECT ``bans``.* FROM ``bans``
WHERE ((`ipstart` = :ip OR (:ip >= `ipstart` AND :ip <= `ipend`)) OR (``bans``.id = :id))
ORDER BY `expires` IS NULL, `expires` DESC'
);
$query->bindValue(':id', $ban_id);
$query->bindValue(':ip', inet_pton($ip));
$query->execute() or error(db_error($query));
$found_ban = null;
$to_delete_list = [];
while ($ban = $query->fetch(PDO::FETCH_ASSOC)) {
if ($ban['expires'] && ($ban['seen'] || !$require_ban_view) && $ban['expires'] < time()) {
$to_delete_list[] = $ban['id'];
} elseif ($ban['id'] === $ban_id) {
if ($ban['post']) {
$ban['post'] = json_decode($ban['post'], true);
}
$ban['mask'] = self::range_to_string(array($ban['ipstart'], $ban['ipend']));
$ban['cmask'] = cloak_mask($ban['mask']);
$found_ban = $ban;
}
}
self::deleteBans($to_delete_list);
rebuildThemes('bans');
return $found_ban;
}
static public function find($ip, $board = false, $get_mod_info = false, $banid = null) {
global $config;
@ -132,10 +196,11 @@ class Bans {
$query->execute() or error(db_error($query));
$ban_list = array();
$to_delete_list = [];
while ($ban = $query->fetch(PDO::FETCH_ASSOC)) {
if ($ban['expires'] && ($ban['seen'] || !$config['require_ban_view']) && $ban['expires'] < time()) {
self::delete($ban['id']);
$to_delete_list[] = $ban['id'];
} else {
if ($ban['post'])
$ban['post'] = json_decode($ban['post'], true);
@ -145,6 +210,8 @@ class Bans {
}
}
self::deleteBans($to_delete_list);
return $ban_list;
}

10
post.php
View File

@ -1363,15 +1363,9 @@ if (isset($_POST['delete'])) {
$ban_id = (int)$_POST['ban_id'];
$bans = Bans::find($_SERVER['REMOTE_ADDR']);
foreach ($bans as $_ban) {
if ($_ban['id'] == $ban_id) {
$ban = $_ban;
break;
}
}
$ban = Bans::findSingle($_SERVER['REMOTE_ADDR'], $ban_id, $config['require_ban_view']);
if (!isset($ban)) {
if (empty($ban)) {
error($config['error']['noban']);
}