1 files changed, 44 insertions, 0 deletions
diff --git a/www/wiki/extensions/Scribunto/includes/engines/LuaCommon/HashLibrary.php b/www/wiki/extensions/Scribunto/includes/engines/LuaCommon/HashLibrary.php
new file mode 100644
index 00000000..b2720de5
--- /dev/null
+++ b/www/wiki/extensions/Scribunto/includes/engines/LuaCommon/HashLibrary.php
@@ -0,0 +1,44 @@
+<?php
+
+// @codingStandardsIgnoreLine Squiz.Classes.ValidClassName.NotCamelCaps
+class Scribunto_LuaHashLibrary extends Scribunto_LuaLibraryBase {
+
+	public function register() {
+		$lib = [
+			'listAlgorithms' => [ $this, 'listAlgorithms' ],
+			'hashValue' => [ $this, 'hashValue' ],
+		];
+
+		return $this->getEngine()->registerInterface( 'mw.hash.lua', $lib );
+	}
+
+	/**
+	 * Returns a list of known/ supported hash algorithms
+	 *
+	 * @return string[][]
+	 */
+	public function listAlgorithms() {
+		$algos = hash_algos();
+		$algos = array_combine( range( 1, count( $algos ) ), $algos );
+
+		return [ $algos ];
+	}
+
+	/**
+	 * Hash a given value.
+	 *
+	 * @param string $algo
+	 * @param string $value
+	 * @return string[]
+	 */
+	public function hashValue( $algo, $value ) {
+		if ( !in_array( $algo, hash_algos() ) ) {
+			throw new Scribunto_LuaError( "Unknown hashing algorithm: $algo" );
+		}
+
+		$hash = hash( $algo, $value );
+
+		return [ $hash ];
+	}
+
+}