New hashing algorithms.

lib/HashAlgorithm/Base/BaseCrypt.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm\Base;
+
+/**
+ * Implements standard Unix DES-based algorithm or
+ * alternative algorithms that may be available on the system.
+ * @see crypt()
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+abstract class BaseCrypt implements HashAlgorithm
+{
+    use Singleton;
+
+    const SALT_ALPHABET = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+
+    /**
+     * @inheritdoc
+     */
+    abstract public function getVisibleName();
+
+    /**
+     * @inheritdoc
+     */
+    public function checkPassword($password, $dbHash)
+    {
+        return hash_equals($dbHash, crypt($password, $dbHash));
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPasswordHash($password)
+    {
+        return crypt($password, self::getSalt());
+    }
+
+    /**
+     * Generate salt for hashing algorithm.
+     * @return string
+     */
+    protected abstract function getSalt();
+}

lib/HashAlgorithm/Base/HashAlgorithm.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,7 +17,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm;
+namespace OCA\UserSQL\HashAlgorithm\Base;
 
 /**
  * Interface which defines all function required by a hash algorithm.

lib/HashAlgorithm/Base/SSHA.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm\Base;
+
+/**
+ * SSHA* hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+abstract class SSHA implements HashAlgorithm
+{
+    use Singleton;
+    use Utils;
+
+    /**
+     * @inheritdoc
+     */
+    public function checkPassword($password, $dbHash)
+    {
+        $saltedPassword = base64_decode(preg_replace("/" . $this->getPrefix() . "/i", "", $dbHash));
+        $salt = substr($saltedPassword, -(strlen($saltedPassword) - 32));
+        $hash = self::ssha($password, $salt);
+
+        return hash_equals($dbHash, $hash);
+    }
+
+    /**
+     * Get hash prefix eg. {SSHA256}.
+     * @return string
+     */
+    public abstract function getPrefix();
+
+    /**
+     * Encrypt using SSHA256 algorithm
+     * @param string $password The password.
+     * @param string $salt The salt to use.
+     * @return string The hashed password, prefixed by {SSHA256}.
+     */
+    private function ssha($password, $salt)
+    {
+        return $this->getPrefix() . base64_encode(hash($this->getAlgorithm(), $password . $salt, true) . $salt);
+    }
+
+    /**
+     * Get algorithm used by the hash() function.
+     * @see hash()
+     * @return string
+     */
+    public abstract function getAlgorithm();
+
+    /**
+     * @inheritdoc
+     */
+    public function getPasswordHash($password)
+    {
+        return self::ssha($password,
+            self::randomString(32, "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
+    }
+}

lib/HashAlgorithm/Base/Singleton.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,7 +17,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm\Base;
+namespace OCA\UserSQL\HashAlgorithm\Base;
 
 /**
  * Singleton pattern trait.

lib/HashAlgorithm/Base/Utils.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,13 +17,13 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm\Base;
+namespace OCA\UserSQL\HashAlgorithm\Base;
 
 /**
- * Base64 utilities trait.
+ * Cryptographic utilities trait.
  * @author Marcin Łojewski <dev@mlojewski.me>
  */
-trait Base64
+trait Utils
 {
     /**
      * Convert hexadecimal message to its base64 form.
@@ -38,4 +38,19 @@ trait Base64
         }
         return base64_encode($hexChr);
     }
+
+    /**
+     * Generate random string from given alphabet.
+     * @param $length int Output string length.
+     * @param $alphabet string Output string alphabet.
+     * @return string Random string from given alphabet.
+     */
+    private static function randomString($length, $alphabet)
+    {
+        $string = "";
+        for ($i = 0; $i != $length; ++$i) {
+            $string .= $alphabet[mt_rand(0, strlen($alphabet) - 1)];
+        }
+        return $string;
+    }
 }

lib/HashAlgorithm/Cleartext.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,12 +17,13 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm;
+namespace OCA\UserSQL\HashAlgorithm;
 
-use OCA\user_sql\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
 
 /**
- * Cleartext password hash implementation.
+ * Cleartext password implementation.
  * @author Marcin Łojewski <dev@mlojewski.me>
  */
 class Cleartext implements HashAlgorithm

lib/HashAlgorithm/CourierMD5.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,19 +17,20 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm;
+namespace OCA\UserSQL\HashAlgorithm;
 
-use OCA\user_sql\HashAlgorithm\Base\Base64;
-use OCA\user_sql\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
 
 /**
- * Courier MD5 password hash implementation.
+ * Courier MD5 hashing implementation.
  * @author Marcin Łojewski <dev@mlojewski.me>
  */
 class CourierMD5 implements HashAlgorithm
 {
-    use Base64;
     use Singleton;
+    use Utils;
 
     /**
      * @inheritdoc

lib/HashAlgorithm/CourierMD5Raw.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,12 +17,13 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm;
+namespace OCA\UserSQL\HashAlgorithm;
 
-use OCA\user_sql\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
 
 /**
- * Courier MD5 RAW password hash implementation.
+ * Courier MD5 RAW hashing implementation.
  * @author Marcin Łojewski <dev@mlojewski.me>
  */
 class CourierMD5Raw implements HashAlgorithm

lib/HashAlgorithm/CourierSHA1.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,19 +17,20 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm;
+namespace OCA\UserSQL\HashAlgorithm;
 
-use OCA\user_sql\HashAlgorithm\Base\Base64;
-use OCA\user_sql\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
 
 /**
- * Courier SHA1 password hash implementation.
+ * Courier SHA1 hashing implementation.
  * @author Marcin Łojewski <dev@mlojewski.me>
  */
 class CourierSHA1 implements HashAlgorithm
 {
-    use Base64;
     use Singleton;
+    use Utils;
 
     /**
      * @inheritdoc

lib/HashAlgorithm/CourierSHA256.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,19 +17,20 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm;
+namespace OCA\UserSQL\HashAlgorithm;
 
-use OCA\user_sql\HashAlgorithm\Base\Base64;
-use OCA\user_sql\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
 
 /**
- * Courier SHA256 password hash implementation.
+ * Courier SHA256 hashing implementation.
  * @author Marcin Łojewski <dev@mlojewski.me>
  */
 class CourierSHA256 implements HashAlgorithm
 {
-    use Base64;
     use Singleton;
+    use Utils;
 
     /**
      * @inheritdoc

lib/HashAlgorithm/Crypt.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
+
+/**
+ * Implements standard Unix DES-based algorithm or
+ * alternative algorithms that may be available on the system.
+ * This implementation does not support password changing.
+ * @see crypt()
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class Crypt implements HashAlgorithm
+{
+    use Singleton;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "Crypt (Unix)";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function checkPassword($password, $dbHash)
+    {
+        return hash_equals($dbHash, crypt($password, $dbHash));
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPasswordHash($password)
+    {
+        return password_hash($password, PASSWORD_DEFAULT);
+    }
+}

lib/HashAlgorithm/CryptArgon2.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
+
+/**
+ * Argon2 Crypt hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptArgon2 implements HashAlgorithm
+{
+    use Singleton;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "Argon2 (Crypt)";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function checkPassword($password, $dbHash)
+    {
+        return password_verify($password, $dbHash);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPasswordHash($password)
+    {
+        // TODO - add support for options: memory_cost, time_cost, threads.
+        return password_hash($password, PASSWORD_ARGON2I);
+    }
+}

lib/HashAlgorithm/CryptBlowfish.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
+
+/**
+ * Blowfish Crypt hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptBlowfish implements HashAlgorithm
+{
+    use Singleton;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "Blowfish (Crypt)";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function checkPassword($password, $dbHash)
+    {
+        return password_verify($password, $dbHash);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPasswordHash($password)
+    {
+        // TODO - add support for options: cost.
+        return password_hash($password, PASSWORD_BCRYPT);
+    }
+}

lib/HashAlgorithm/CryptExtendedDES.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\BaseCrypt;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
+
+/**
+ * Extended DES Crypt hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptExtendedDES extends BaseCrypt
+{
+    use Utils;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "Extended DES (Crypt)";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getSalt()
+    {
+        // TODO - add support for options: iteration_count.
+        return self::base64IntEncode(1000) . self::randomString(4, self::SALT_ALPHABET);
+    }
+
+    private static function base64IntEncode($number)
+    {
+        $alphabet = str_split(self::SALT_ALPHABET);
+        $chars = array();
+        $base = sizeof($alphabet);
+        while ($number) {
+            $rem = $number % $base;
+            $number = (int)($number / $base);
+            $arr[] = $alphabet[$rem];
+        }
+        $string = implode($chars);
+        return str_pad($string, 4, '.', STR_PAD_RIGHT);
+    }
+}

lib/HashAlgorithm/CryptMD5.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\BaseCrypt;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
+
+/**
+ * MD5 Crypt hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptMD5 extends BaseCrypt
+{
+    use Utils;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "MD5 (Crypt)";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getSalt()
+    {
+        return "$1$" . self::randomString(8, self::SALT_ALPHABET) . "$";
+    }
+}

lib/HashAlgorithm/CryptSHA256.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\BaseCrypt;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
+
+/**
+ * SHA256 Crypt hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptSHA256 extends BaseCrypt
+{
+    use Utils;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "SHA256 (Crypt)";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getSalt()
+    {
+        // TODO - add support for options: rounds.
+        return "$5\$rounds=5000$" . self::randomString(16, self::SALT_ALPHABET) . "$";
+    }
+}

lib/HashAlgorithm/CryptSHA512.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\BaseCrypt;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
+
+/**
+ * SHA512 Crypt hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptSHA512 extends BaseCrypt
+{
+    use Utils;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "SHA512 (Crypt)";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getSalt()
+    {
+        // TODO - add support for options: rounds.
+        return "$5\$rounds=5000$" . self::randomString(16, self::SALT_ALPHABET) . "$";
+    }
+}

lib/HashAlgorithm/CryptStandardDES.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\BaseCrypt;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
+
+/**
+ * Standard DES Crypt hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class CryptStandardDES extends BaseCrypt
+{
+    use Utils;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "Standard DES (Crypt)";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getSalt()
+    {
+        return self::randomString(2, self::SALT_ALPHABET);
+    }
+}

lib/HashAlgorithm/Joomla.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\Utils;
+
+/**
+ * Joomla hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class Joomla implements HashAlgorithm
+{
+    use Singleton;
+    use Utils;
+
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "Joomla MD5 Encryption";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPasswordHash($password)
+    {
+        return md5($password . ":" . self::randomString(32,
+                "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function checkPassword($password, $dbHash)
+    {
+        return hash_equals($dbHash, self::generateHash($password, $dbHash));
+    }
+
+    private static function generateHash($password, $dbHash)
+    {
+        $split_salt = preg_split("/:/", $dbHash);
+        $salt = false;
+        if (isset($split_salt[1])) {
+            $salt = $split_salt[1];
+        }
+        $pwHash = ($salt) ? md5($password . $salt) : md5($password);
+        $pwHash .= ":" . $salt;
+        return $pwHash;
+    }
+}

lib/HashAlgorithm/MD5.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,12 +17,13 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm;
+namespace OCA\UserSQL\HashAlgorithm;
 
-use OCA\user_sql\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
 
 /**
- * MD5 password hash implementation.
+ * MD5 hashing implementation.
  * @author Marcin Łojewski <dev@mlojewski.me>
  */
 class MD5 implements HashAlgorithm

lib/HashAlgorithm/SHA1.php

@@ -1,7 +1,7 @@
 <?php
 /**
  * Nextcloud - user_sql
- * Copyright (C) 2012-2018 Andreas Böhler <dev (at) aboehler (dot) at>
+ * Copyright (C) 2018 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
@@ -17,12 +17,13 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-namespace OCA\user_sql\HashAlgorithm;
+namespace OCA\UserSQL\HashAlgorithm;
 
-use OCA\user_sql\HashAlgorithm\Base\Singleton;
+use OCA\UserSQL\HashAlgorithm\Base\HashAlgorithm;
+use OCA\UserSQL\HashAlgorithm\Base\Singleton;
 
 /**
- * SHA1 password hash implementation.
+ * SHA1 hashing implementation.
  * @author Marcin Łojewski <dev@mlojewski.me>
  */
 class SHA1 implements HashAlgorithm

lib/HashAlgorithm/SSHA256.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\SSHA;
+
+/**
+ * SSHA256 hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class SSHA256 extends SSHA
+{
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "SSHA256";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPrefix()
+    {
+        return "{SSHA256}";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getAlgorithm()
+    {
+        return "sha256";
+    }
+}

lib/HashAlgorithm/SSHA512.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ * Copyright (C) 2018 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\HashAlgorithm;
+
+use OCA\UserSQL\HashAlgorithm\Base\SSHA;
+
+/**
+ * SSHA512 hashing implementation.
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class SSHA512 extends SSHA
+{
+    /**
+     * @inheritdoc
+     */
+    public function getVisibleName()
+    {
+        return "SSHA512";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPrefix()
+    {
+        return "{SSHA512}";
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getAlgorithm()
+    {
+        return "sha512";
+    }
+}