1 files changed, 75 insertions, 0 deletions
diff --git a/lib/private/Http/CookieHelper.php b/lib/private/Http/CookieHelper.php
new file mode 100644
index 00000000000..91a8256dc1a
--- /dev/null
+++ b/lib/private/Http/CookieHelper.php
@@ -0,0 +1,75 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Http;
+
+class CookieHelper {
+
+	const SAMESITE_NONE = 0;
+	const SAMESITE_LAX = 1;
+	const SAMESITE_STRICT = 2;
+
+	public static function setCookie(string $name,
+									 string $value = '',
+									 int $maxAge = 0,
+									 string $path = '',
+									 string $domain = '',
+									 bool $secure = false,
+									 bool $httponly = false,
+									 int $samesite = self::SAMESITE_NONE) {
+		$header = sprintf(
+			'Set-Cookie: %s=%s',
+			$name,
+			urlencode($value)
+		);
+
+		if ($path !== '') {
+			$header .= sprintf('; Path=%s', $path);
+		}
+
+		if ($domain !== '') {
+			$header .= sprintf('; Domain=%s', $domain);
+		}
+
+		if ($maxAge > 0) {
+			$header .= sprintf('; Max-Age=%d', $maxAge);
+		}
+
+		if ($secure) {
+			$header .= '; Secure';
+		}
+
+		if ($httponly) {
+			$header .= '; HttpOnly';
+		}
+
+		if ($samesite === self::SAMESITE_LAX) {
+			$header .= '; SameSite=Lax';
+		} else if ($samesite === self::SAMESITE_STRICT) {
+			$header .= '; SameSite=Strict';
+		}
+
+		header($header, false);
+	}
+}