'lib' rewritten.

2018-03-02 22:56:13 +01:00
parent ed5ec82479
commit c1cc89f456
62 changed files with 4788 additions and 2971 deletions
--- a/lib/Crypto/CryptExtendedDES.php
+++ b/lib/Crypto/CryptExtendedDES.php
@@ -0,0 +1,92 @@
+<?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;
+
+/**
+ * Extended DES Crypt hashing implementation.
+ *
+ * @see    crypt()
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptExtendedDES extends AbstractCrypt
+{
+    /**
+     * @var int The number of iterations.
+     */
+    private $iterationCount;
+
+    /**
+     * The class constructor.
+     *
+     * @param IL10N $localization   The localization service.
+     * @param int   $iterationCount The number of iterations.
+     */
+    public function __construct(IL10N $localization, $iterationCount = 1000)
+    {
+        parent::__construct($localization);
+        $this->iterationCount = $iterationCount;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getSalt()
+    {
+        return self::encodeIterationCount($this->iterationCount)
+            . Utils::randomString(4, self::SALT_ALPHABET);
+    }
+
+    /**
+     * Get the number of iterations as describe below.
+     * The 4 bytes of iteration count are encoded as printable characters,
+     * 6 bits per character, least significant character first.
+     * The values 0 to 63 are encoded as "./0-9A-Za-z".
+     *
+     * @param int $number The number of iterations.
+     *
+     * @return string
+     */
+    private static function encodeIterationCount($number)
+    {
+        $alphabet = str_split(self::SALT_ALPHABET);
+        $chars = array();
+        $base = sizeof($alphabet);
+
+        while ($number) {
+            $rem = $number % $base;
+            $number = (int)($number / $base);
+            $arr[] = $alphabet[$rem];
+        }
+
+        return str_pad(implode($chars), 4, ".", STR_PAD_RIGHT);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getAlgorithmName()
+    {
+        return "Extended DES (Crypt)";
+    }
+}