1 files changed, 43 insertions, 0 deletions
diff --git a/lib/private/PhoneNumberUtil.php b/lib/private/PhoneNumberUtil.php
new file mode 100644
index 00000000000..e53c7a51a1b
--- /dev/null
+++ b/lib/private/PhoneNumberUtil.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OC;
+
+use libphonenumber\NumberParseException;
+use libphonenumber\PhoneNumberFormat;
+use OCP\IPhoneNumberUtil;
+
+/**
+ * @since 28.0.0
+ */
+class PhoneNumberUtil implements IPhoneNumberUtil {
+	/**
+	 * {@inheritDoc}
+	 */
+	public function getCountryCodeForRegion(string $regionCode): ?int {
+		$phoneUtil = \libphonenumber\PhoneNumberUtil::getInstance();
+		$countryCode = $phoneUtil->getCountryCodeForRegion($regionCode);
+		return $countryCode === 0 ? null : $countryCode;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public function convertToStandardFormat(string $input, ?string $defaultRegion = null): ?string {
+		$phoneUtil = \libphonenumber\PhoneNumberUtil::getInstance();
+		try {
+			$phoneNumber = $phoneUtil->parse($input, $defaultRegion);
+			if ($phoneUtil->isValidNumber($phoneNumber)) {
+				return $phoneUtil->format($phoneNumber, PhoneNumberFormat::E164);
+			}
+		} catch (NumberParseException) {
+		}
+
+		return null;
+	}
+}