.

src/Wayang/Stdlib/Base64Url/Base64Url.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * Copyright (C) 2019 Yudha Tama Aditiyara
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+namespace Wayang\Stdlib\Base64Url;
+
+use Wayang\Exception\Spl\InvalidArgumentException;
+
+/**
+ */
+class Base64Url implements Base64UrlInterface
+{
+	/**
+	 * @param string $data
+	 * @return string
+	 */
+	public function encode(string $data): string{
+		return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
+	}
+
+	/**
+	 * @param string $data
+	 * @throws InvalidArgumentException
+	 * @return string
+	 */
+	public function decode(string $data): string{
+		$data.= str_repeat('=', 4 - strlen($data) % 4);
+		$data = base64_decode(strtr($data, '-_', '+/'), true);
+		if ($data === false) {
+			throw new InvalidArgumentException('Invalid data');
+		}
+		return $data;
+	}
+}

src/Wayang/Stdlib/Base64Url/Base64UrlInterface.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * Copyright (C) 2019 Yudha Tama Aditiyara
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+namespace Wayang\Stdlib\Base64Url;
+
+/**
+ */
+interface Base64UrlInterface
+{
+	/**
+	 * @param string $data
+	 * @return string
+	 */
+	public function encode(string $data): string;
+
+	/**
+	 * @param string $data
+	 * @return string
+	 */
+	public function decode(string $data): string;
+}