/**
* Determines if this ban applies to the requesting client.
*
* @param string Optional. IP to be checked. Defaults to request IP.
* @return boolean If the IP is within he range of this ban.
*/
public function isBanForIP($ip = null)
{
if (is_null($ip)) {
$ip = Request::ip();
}
return CIDR::cidr_intersect($ip, $this->ban_ip);
}
/**
* Return true if the $ip given is a true CIDR block.
*
* A true CIDR block is one where the $ip given is the actual Network
* address and broadcast matches the prefix appropriately.
*/
public static function cidr_is_true($ip)
{
$ip = new CIDR($ip);
return $ip->isTrueCidr();
}
/**
* Returns a human-readable IP address based on user permissions.
* This will obfuscate it if we do not have permission to view raw IPs.
*
* @param string|CIDR $ip Normal IP string or a CIDR support object.
* @return string Either $ip or an ip_less version.
*/
public function getTextForIP($ip)
{
if ($this->canViewRawIP()) {
return (string) $ip;
}
if ($ip instanceof CIDR && $ip->getStart() != $ip->getEnd()) {
return ip_less($ip->getStart()) . "/" . $ip->getPrefix();
}
return ip_less($ip);
}
/**
*
*/
public function putMod(Request $request, Board $board, $post)
{
// Validate the request parameters.
if (!($post = $this->validatePost($board, $post)) instanceof Post) {
// If the response isn't a Post, it's a redirect or error.
// Return the message.
return $post;
}
// Take trailing arguments,
// compare them against a list of real actions,
// intersect the liss to find the true commands.
$actions = ["delete", "ban", "all", "global"];
$argList = func_get_args();
$modActions = array_intersect($actions, array_splice($argList, 2));
sort($modActions);
$ban = in_array("ban", $modActions);
$delete = in_array("delete", $modActions);
$all = in_array("all", $modActions);
$global = in_array("global", $modActions);
if (!$ban) {
return abort(404);
}
$validator = Validator::make(Input::all(), ['raw_ip' => 'required|boolean', 'ban_ip' => 'required_if:raw_ip,true|ip', 'ban_ip_range' => 'required|between:0,128', 'justification' => 'max:255', 'expires_days' => 'required|integer|min:0|max:' . $this->option('banMaxLength'), 'expires_hours' => 'required|integer|min:0|max:23', 'expires_minutes' => 'required|integer|min:0|max:59']);
if (!$validator->passes()) {
return redirect()->back()->withInput(Input::all())->withErrors($validator->errors());
}
$banLengthStr = [];
$expiresDays = Input::get('expires_days');
$expiresHours = Input::get('expires_hours');
$expiresMinutes = Input::get('expires_minutes');
if ($expiresDays > 0) {
$banLengthStr[] = "{$expiresDays}d";
}
if ($expiresHours > 0) {
$banLengthStr[] = "{$expiresHours}h";
}
if ($expiresMinutes > 0) {
$banLengthStr[] = "{$expiresMinutes}m";
}
if ($expiresDays == 0 && $expiresHours == 0 && $expiresMinutes == 0) {
$banLengthStr[] = "Ø";
}
$banLengthStr = implode($banLengthStr, " ");
// If we're banning without the ability to view IP addresses, we will get our address directly from the post in human-readable format.
$banIpAddr = $this->user->canViewRawIP() ? Input::get('ban_ip') : $post->getAuthorIpAsString();
// The CIDR is passed from our post parameters. By default, it is 32/128 for IPv4/IPv6 respectively.
$banCidr = Input::get('ban_ip_range');
// This generates a range from start to finish. I.E. 192.168.1.3/22 becomes [192.168.0.0, 192.168.3.255].
// If we just pass the CDIR into the construct, we get 192.168.1.3-129.168.3.255 for some reason.
$banCidrRange = CIDR::cidr_to_range("{$banIpAddr}/{$banCidr}");
// We then pass this range into the construct method.
$banIp = new CIDR($banCidrRange[0], $banCidrRange[1]);
$ban = new Ban();
$ban->ban_ip_start = inet_pton($banIp->getStart());
$ban->ban_ip_end = inet_pton($banIp->getEnd());
$ban->seen = false;
$ban->created_at = $ban->freshTimestamp();
$ban->updated_at = clone $ban->created_at;
$ban->expires_at = clone $ban->created_at;
$ban->expires_at->addDays($expiresDays);
$ban->expires_at->addHours($expiresHours);
$ban->expires_at->addMinutes($expiresMinutes);
$ban->mod_id = $this->user->user_id;
$ban->post_id = $post->post_id;
$ban->ban_reason_id = null;
$ban->justification = Input::get('justification');
if ($global) {
if ($ban && !$this->user->canBanGlobally() || $delete && !$this->user->canDeleteGlobally()) {
return abort(403);
}
if ($ban) {
$ban->board_uri = null;
$ban->save();
}
$this->log('log.post.ban.global', $post, ["board_id" => $post->board_id, "board_uri" => $post->board_uri, "ip" => $post->getAuthorIpAsString(), "justification" => $ban->justification, "time" => $banLengthStr]);
if ($delete) {
$posts = Post::ipBinary($banIp);
$this->log('log.post.ban.delete', $post, ["board_id" => $post->board_id, "board_uri" => $post->board_uri, "posts" => $posts->count()]);
$posts->delete();
return redirect($board->board_uri);
}
} else {
if ($ban && !$board->canBan($this->user) || $delete && !$board->canDelete($this->user)) {
return abort(403);
}
if ($ban) {
$ban->board_uri = $post->board_uri;
$ban->save();
}
$this->log('log.post.ban.local', $post, ["board_id" => $post->board_id, "board_uri" => $post->board_uri, "ip" => $post->getAuthorIpAsString(), "justification" => $ban->justification, "time" => $banLengthStr]);
if ($delete) {
if ($all) {
$posts = Post::ipBinary($banIp)->where('board_uri', $board->board_uri);
$this->log('log.post.ban.delete', $post, ["board_id" => $post->board_id, "board_uri" => $post->board_uri, "posts" => $posts->count()]);
$posts->delete();
return redirect($board->board_uri);
} else {
$this->log('log.post.ban.delete', $post, ["board_id" => $post->board_id, "board_uri" => $post->board_uri, "posts" => 1]);
$post->delete();
if ($post->reply_to) {
return redirect("{$post->board_uri}/thread/{$post->op->board_id}");
} else {
return redirect($board->board_uri);
}
}
}
}
Event::fire(new PostWasBanned($post));
Event::fire(new PostWasModerated($post, $this->user));
if ($post->reply_to) {
return redirect("{$post->board_uri}/thread/{$post->op->board_id}#{$post->board_id}");
} else {
return redirect("{$post->board_uri}/thread/{$post->board_id}");
}
}
/**
* Generates a snapshot in the database for the previous hour.
*
* @param \Carbon\Carbon $carbon A timestamp within the 0-60 minute block that is to be snapshotted.
* @return array of new \App\Stats
*/
public function createStatsSnapshot(\Carbon\Carbon $carbon)
{
$carbonStart = $carbon->minute(0)->second(0);
$carbonEnd = clone $carbonStart;
$carbonEnd = $carbonEnd->addHour()->minute(0)->second(0)->subSecond();
$posts = $this->posts()->withTrashed()->where('created_at', '>=', $carbonStart)->where('created_at', '<=', $carbonEnd)->select('post_id', 'author_ip', 'reply_to')->get();
if ($posts->count() === 0) {
return [];
}
// Unique IPs.
$authorsUnique = [];
// Unique Post IDs.
$postsUnique = [];
// Unique \16 ranges.
$rangesUnique = [];
// Unique Thread Post IDs.
$threadsUnique = [];
foreach ($posts as $post) {
$postsUnique[$post->post_id] = true;
if (is_null($post->reply_to)) {
$threadsUnique[$post->post_id] = false;
}
if (!is_null($post->author_ip)) {
$ip = inet_ntop($post->author_ip);
if (!isset($authorsUnique[$ip])) {
$authorsUnique[$ip] = true;
$range = new CIDR("{$ip}/16");
$rangesUnique[$range->getStart()] = true;
}
}
}
// Save uniques
$statsRows = [];
$uniques = ['authors' => array_keys($authorsUnique), 'posts' => array_keys($postsUnique), 'ranges' => array_keys($rangesUnique), 'threads' => array_keys($threadsUnique)];
foreach ($uniques as $statsKey => $uniqueValues) {
$statsBits = [];
foreach ($uniqueValues as $uniqueValue) {
$statsBits[] = ['unique' => $uniqueValue];
}
$statsRow = $this->stats()->updateOrCreate(['stats_time' => $carbonStart, 'stats_type' => $statsKey], ['counter' => count($statsBits)]);
if (!$statsRow->exists) {
$statsRow->save();
}
$statsRow->uniques()->createMany($statsBits);
$statsRows[] = $statsRow;
}
return $statsRows;
}
/**
* Converts an IPv4 or IPv6 CIDR block into its range.
*
* @static
* @param string $cidr CIDR block or IP address string.
* @param integer|null $bits If /bits is not specified on string they can be passed via this parameter instead.cidr_intersect
* @return array A 2 element array with the low, high range
*/
public static function cidr_to_range($cidr, $bits = null)
{
if ($cidr instanceof static) {
return parent::cidr_to_range($cidr->getCidr(), $bits);
}
return parent::cidr_to_range($cidr, $bits);
}
