1 files changed, 54 insertions, 0 deletions
diff --git a/www/wiki/includes/password/MWOldPassword.php b/www/wiki/includes/password/MWOldPassword.php
new file mode 100644
index 00000000..c48b6e61
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+++ b/www/wiki/includes/password/MWOldPassword.php
@@ -0,0 +1,54 @@
+<?php
+/**
+ * Implements the MWOldPassword class for the MediaWiki software.
+ *
+ * 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
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * The old style of MediaWiki password hashing. It involves
+ * running MD5 on the password.
+ *
+ * @since 1.24
+ */
+class MWOldPassword extends ParameterizedPassword {
+	protected function getDefaultParams() {
+		return [];
+	}
+
+	protected function getDelimiter() {
+		return ':';
+	}
+
+	public function crypt( $plaintext ) {
+		if ( count( $this->args ) === 1 ) {
+			// Accept (but do not generate) salted passwords with :A: prefix.
+			// These are actually B-type passwords, but an error in a previous
+			// version of MediaWiki caused them to be written with an :A:
+			// prefix.
+			$this->hash = md5( $this->args[0] . '-' . md5( $plaintext ) );
+		} else {
+			$this->args = [];
+			$this->hash = md5( $plaintext );
+		}
+
+		if ( !is_string( $this->hash ) || strlen( $this->hash ) < 32 ) {
+			throw new PasswordError( 'Error when hashing password.' );
+		}
+	}
+}