'lib' rewritten.

lib/Crypto/CryptBlowfish.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ *
+ * @copyright 2018 Marcin Łojewski <dev@mlojewski.me>
+ * @author    Marcin Łojewski <dev@mlojewski.me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace OCA\UserSQL\Crypto;
+
+use OCP\IL10N;
+
+/**
+ * Blowfish Crypt hashing implementation.
+ *
+ * @see    crypt()
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptBlowfish extends AbstractAlgorithm
+{
+    /**
+     * @var int Denotes the algorithmic cost that should be used.
+     */
+    private $cost;
+
+    /**
+     * The class constructor.
+     *
+     * @param IL10N $localization The localization service.
+     * @param int   $cost         Denotes the algorithmic cost that should
+     *                            be used.
+     */
+    public function __construct(IL10N $localization, $cost = 10)
+    {
+        parent::__construct($localization);
+        $this->cost = $cost;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function checkPassword($password, $dbHash)
+    {
+        return password_verify($password, $dbHash);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPasswordHash($password)
+    {
+        return password_hash(
+            $password, PASSWORD_BCRYPT, ["cost" => $this->cost]
+        );
+    }
+
+    /**
+     * Get the algorithm name.
+     *
+     * @return string The algorithm name.
+     */
+    protected function getAlgorithmName()
+    {
+        return "Blowfish (Crypt)";
+    }
+}