<?php
-
/**
* Uguu
*
- * @copyright Copyright (c) 2022 Go Johansson (nokonoko) <neku@pomf.se>
+ * @copyright Copyright (c) 2022-2023 Go Johansson (nokonoko) <neku@pomf.se>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
-
+
namespace Pomf\Uguu\Classes;
-
- use Exception;
+
use PDO;
-
-class Database
-{
- private PDO $DB;
-
- /**
- * Sets the value of the DB variable.
- *
- * @param $DB PDO The database connection.
- */
- public function setDB(PDO $DB): void
- {
- $this->DB = $DB;
- }
-
- /**
- * Checks if a file name exists in the database
- *
- * @param $name string The name of the file.
- *
- * @return int The number of rows that match the query.
- * @throws \Exception
- */
- public function dbCheckNameExists(string $name): int
+
+ class Database
{
- try {
- $q = $this->DB->prepare('SELECT COUNT(filename) FROM files WHERE filename = (:name)');
+ public function dbCheckNameExists(string $name):bool
+ {
+ $query = match ($this->dbType) {
+ 'pgsql' => 'SELECT EXISTS(SELECT id FROM files WHERE filename = (:name)), filename FROM files WHERE filename = (:name) LIMIT 1',
+ default => 'SELECT filename FROM files WHERE filename = (:name) AND EXISTS (SELECT id FROM files WHERE filename = (:name)) LIMIT 1'
+ };
+ $q = $this->DB->prepare($query);
$q->bindValue(':name', $name);
$q->execute();
- return $q->fetchColumn();
- } catch (Exception) {
- throw new Exception('Cant check if name exists in DB.', 500);
+ $result = $q->fetch();
+ $q->closeCursor();
+ if (isset($result['exists']) and $result['exists']) {
+ return true;
+ } elseif ($result) {
+ return true;
+ }
+ return false;
}
- }
-
- /**
- * Checks if the file is blacklisted
- *
- * @param $FILE_INFO array An array containing the following:
- *
- * @throws \Exception
- */
- public function checkFileBlacklist(array $FILE_INFO): void
- {
- try {
- $q = $this->DB->prepare('SELECT hash, COUNT(*) AS count FROM blacklist WHERE hash = (:hash)');
- $q->bindValue(':hash', $FILE_INFO['SHA1']);
+
+ public function checkFileBlacklist(string $hash):void
+ {
+ $query = match ($this->dbType) {
+ 'pgsql' => 'SELECT EXISTS(SELECT id FROM blacklist WHERE hash = (:hash)), hash FROM blacklist WHERE hash = (:hash) LIMIT 1',
+ default => 'SELECT id FROM blacklist WHERE EXISTS(SELECT id FROM blacklist WHERE hash = (:hash)) LIMIT 1'
+ };
+ $q = $this->DB->prepare($query);
+ $q->bindValue(':hash', $hash);
$q->execute();
$result = $q->fetch();
- if ($result['count'] > 0) {
- throw new Exception('File blacklisted!', 415);
+ $q->closeCursor();
+ if (isset($result['exists']) and $result['exists']) {
+ $this->response->error(415, 'File blacklisted.');
+ } elseif ($result) {
+ $this->response->error(415, 'File blacklisted.');
}
- } catch (Exception) {
- throw new Exception('Cant check blacklist DB.', 500);
}
- }
-
- /**
- * Checks if the file already exists in the database
- *
- * @param $hash string The hash of the file you want to check for.
- *
- * @throws \Exception
- */
- public function antiDupe(string $hash): array
- {
- try {
- $q = $this->DB->prepare(
- 'SELECT filename, COUNT(*) AS count FROM files WHERE hash = (:hash)',
- );
+
+ public function antiDupe(string $hash):array
+ {
+ $query = match ($this->dbType) {
+ 'pgsql' => 'SELECT EXISTS(SELECT id FROM files WHERE hash = (:hash)), filename FROM files WHERE hash = (:hash) LIMIT 1',
+ default => 'SELECT filename FROM files WHERE hash = (:hash) AND EXISTS (SELECT id FROM files WHERE hash = (:hash)) LIMIT 1'
+ };
+ $q = $this->DB->prepare($query);
$q->bindValue(':hash', $hash);
$q->execute();
$result = $q->fetch();
- if ($result['count'] > 0) {
+ $q->closeCursor();
+ if (!$result) {
return [
- 'result' => true,
- 'name' => $result['filename'],
+ 'result' => false,
];
} else {
return [
- 'result' => false
+ 'result' => true,
+ 'name' => $result['filename'],
];
}
- } catch (Exception) {
- throw new Exception('Cant check for dupes in DB.', 500);
}
- }
-
- /**
- * Inserts a new file into the database
- *
- * @param $FILE_INFO array
- * @param $fingerPrintInfo array
- *
- * @throws \Exception
- */
- public function newIntoDB(array $FILE_INFO, array $fingerPrintInfo): void
- {
- try {
+
+ public function newIntoDB(array $FILE_INFO, array $fingerPrintInfo):void
+ {
$q = $this->DB->prepare(
- 'INSERT INTO files (hash, originalname, filename, size, date, ip)' .
- 'VALUES (:hash, :orig, :name, :size, :date, :ip)',
+ 'INSERT INTO files (hash, originalname, filename, size, date, ip)' .
+ 'VALUES (:hash, :orig, :name, :size, :date, :ip)',
);
$q->bindValue(':hash', $FILE_INFO['SHA1']);
$q->bindValue(':orig', $FILE_INFO['NAME']);
- $q->bindValue(':name', $FILE_INFO['NEW_NAME']);
+ $q->bindValue(':name', $FILE_INFO['FILENAME']);
$q->bindValue(':size', $FILE_INFO['SIZE'], PDO::PARAM_INT);
$q->bindValue(':date', $fingerPrintInfo['timestamp']);
$q->bindValue(':ip', $fingerPrintInfo['ip']);
$q->execute();
- } catch (Exception) {
- throw new Exception('Cant insert into DB.', 500);
+ $q->closeCursor();
}
- }
-
- /**
- * Creates a new row in the database with the information provided
- *
- * @param $fingerPrintInfo array
- */
- public function createRateLimit(array $fingerPrintInfo): void
- {
- $q = $this->DB->prepare(
- 'INSERT INTO timestamp (iphash, files, time)' .
- 'VALUES (:iphash, :files, :time)',
- );
- $q->bindValue(':iphash', $fingerPrintInfo['ip_hash']);
- $q->bindValue(':files', $fingerPrintInfo['files_amount']);
- $q->bindValue(':time', $fingerPrintInfo['timestamp']);
- $q->execute();
- }
-
- /**
- * Update the rate limit table with the new file count and timestamp
- *
- * @param $fCount int The number of files uploaded by the user.
- * @param $iStamp boolean A boolean value that determines whether or not to update the timestamp.
- * @param $fingerPrintInfo array An array containing the following keys:
- */
- public function updateRateLimit(int $fCount, bool $iStamp, array $fingerPrintInfo): void
- {
- if ($iStamp) {
+
+ public function createRateLimit(array $fingerPrintInfo):void
+ {
$q = $this->DB->prepare(
- 'UPDATE ratelimit SET files = (:files), time = (:time) WHERE iphash = (:iphash)',
+ 'INSERT INTO ratelimit (iphash, files, time)' .
+ 'VALUES (:iphash, :files, :time)',
);
+ $q->bindValue(':iphash', $fingerPrintInfo['ip_hash']);
+ $q->bindValue(':files', $fingerPrintInfo['files_amount']);
$q->bindValue(':time', $fingerPrintInfo['timestamp']);
- } else {
- $q = $this->DB->prepare(
- 'UPDATE ratelimit SET files = (:files) WHERE iphash = (:iphash)',
- );
+ $q->execute();
+ $q->closeCursor();
}
- $q->bindValue(':files', $fCount);
- $q->bindValue(':iphash', $fingerPrintInfo['ip_hash']);
- $q->execute();
- }
-
- /**
- * Checks if the user has uploaded more than 100 files in the last minute, if so it returns true, if not it updates the database with the new file
- * count and timestamp
- *
- * @param $fingerPrintInfo array An array containing the following:
- *
- * @return bool A boolean value.
- */
- public function checkRateLimit(array $fingerPrintInfo): bool
- {
- $q = $this->DB->prepare(
- 'SELECT files, time, iphash, COUNT(*) AS count FROM ratelimit WHERE iphash = (:iphash)',
- );
- $q->bindValue(':iphash', $fingerPrintInfo['ip_hash']);
- $q->execute();
- $result = $q->fetch();
- $nTime = $fingerPrintInfo['timestamp'] - (60);
- switch (true) {
- //If more then 100 files trigger rate-limit
- case $result['files'] > 100:
+
+ public function updateRateLimit(int $fCount, bool $iStamp, array $fingerPrintInfo):void
+ {
+ if ($iStamp) {
+ $q = $this->DB->prepare(
+ 'UPDATE ratelimit SET files = (:files), time = (:time) WHERE iphash = (:iphash)',
+ );
+ $q->bindValue(':time', $fingerPrintInfo['timestamp']);
+ } else {
+ $q = $this->DB->prepare(
+ 'UPDATE ratelimit SET files = (:files) WHERE iphash = (:iphash)',
+ );
+ }
+ $q->bindValue(':files', $fCount);
+ $q->bindValue(':iphash', $fingerPrintInfo['ip_hash']);
+ $q->execute();
+ $q->closeCursor();
+ }
+
+ public function compareTime(int $timestamp, int $seconds_d):bool
+ {
+ $diff = time() - $timestamp;
+ if ($diff > $seconds_d) {
return true;
- //if timestamp is older than one minute, set new files count and timestamp
- case $result['time'] < $nTime:
- $this->updateRateLimit($fingerPrintInfo['files_amount'], true, $fingerPrintInfo);
- break;
- //if timestamp isn't older than one-minute update the files count
- case $result['time'] > $nTime:
- $this->updateRateLimit($fingerPrintInfo['files_amount'] + $result['files'], false, $fingerPrintInfo);
- break;
- //If there is no other match a record does not exist, create one
- default:
+ }
+ return false;
+ }
+
+ public function checkRateLimit(array $fingerPrintInfo, int $rateTimeout, int $fileLimit):bool
+ {
+ $query = match ($this->dbType) {
+ 'pgsql' => 'SELECT EXISTS(SELECT id FROM ratelimit WHERE iphash = (:iphash)), id, iphash, files, time FROM ratelimit WHERE iphash = (:iphash) LIMIT 1',
+ default => 'SELECT * FROM ratelimit WHERE iphash = (:iphash) AND EXISTS (SELECT id FROM ratelimit WHERE iphash = (:iphash)) LIMIT 1'
+ };
+ $q = $this->DB->prepare($query);
+ $q->bindValue(':iphash', $fingerPrintInfo['ip_hash']);
+ $q->execute();
+ $result = $q->fetch();
+ $q->closeCursor();
+ //If there is no other match a record does not exist, create one.
+ if (!$result) {
$this->createRateLimit($fingerPrintInfo);
- break;
+ return false;
+ }
+ // Apply rate-limit when file count reached and timeout not reached.
+ if ($result['files'] === $fileLimit and !$this->compareTime($result['time'], $rateTimeout)) {
+ return true;
+ }
+ // Update timestamp if timeout reached, reset file count and add the incoming file count.
+ if ($this->compareTime($result['time'], $rateTimeout)) {
+ $this->updateRateLimit($fingerPrintInfo['files_amount'], true, $fingerPrintInfo);
+ return false;
+ }
+ // Add filecount, timeout not reached.
+ if ($result['files'] < $fileLimit and !$this->compareTime($result['time'], $rateTimeout)) {
+ $this->updateRateLimit($result['files'] + $fingerPrintInfo['files_amount'], false, $fingerPrintInfo);
+ return false;
+ }
+ return false;
}
- return false;
- }
-}
+ }
\ No newline at end of file
projects / uguu.git / blobdiff