1 files changed, 0 insertions, 97 deletions
diff --git a/lib/private/Http/Client/LocalAddressChecker.php b/lib/private/Http/Client/LocalAddressChecker.php
deleted file mode 100644
index f4fea503ab9..00000000000
--- a/lib/private/Http/Client/LocalAddressChecker.php
+++ /dev/null
@@ -1,97 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * @copyright Copyright (c) 2021, Lukas Reschke <lukas@statuscode.ch>
- *
- * @author Lukas Reschke <lukas@statuscode.ch>
- *
- * @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\Client;
-
-use OCP\Http\Client\LocalServerException;
-use Psr\Log\LoggerInterface;
-use Symfony\Component\HttpFoundation\IpUtils;
-
-class LocalAddressChecker {
-	private LoggerInterface $logger;
-
-	public function __construct(LoggerInterface $logger) {
-		$this->logger = $logger;
-	}
-
-	public function ThrowIfLocalIp(string $ip) : void {
-		$localRanges = [
-			'100.64.0.0/10', // See RFC 6598
-			'192.0.0.0/24', // See RFC 6890
-		];
-		if (
-			(bool)filter_var($ip, FILTER_VALIDATE_IP) &&
-			(
-				!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) ||
-				IpUtils::checkIp($ip, $localRanges)
-			)) {
-			$this->logger->warning("Host $ip was not connected to because it violates local access rules");
-			throw new LocalServerException('Host violates local access rules');
-		}
-
-		// Also check for IPv6 IPv4 nesting, because that's not covered by filter_var
-		if ((bool)filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) && substr_count($ip, '.') > 0) {
-			$delimiter = strrpos($ip, ':'); // Get last colon
-			$ipv4Address = substr($ip, $delimiter + 1);
-
-			if (
-				!filter_var($ipv4Address, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) ||
-				IpUtils::checkIp($ip, $localRanges)) {
-				$this->logger->warning("Host $ip was not connected to because it violates local access rules");
-				throw new LocalServerException('Host violates local access rules');
-			}
-		}
-	}
-
-	public function ThrowIfLocalAddress(string $uri) : void {
-		$host = parse_url($uri, PHP_URL_HOST);
-		if ($host === false || $host === null) {
-			$this->logger->warning("Could not detect any host in $uri");
-			throw new LocalServerException('Could not detect any host');
-		}
-
-		$host = strtolower($host);
-		// Remove brackets from IPv6 addresses
-		if (strpos($host, '[') === 0 && substr($host, -1) === ']') {
-			$host = substr($host, 1, -1);
-		}
-
-		// Disallow local network top-level domains from RFC 6762
-		$localTopLevelDomains = ['local','localhost','intranet','internal','private','corp','home','lan'];
-		$topLevelDomain = substr((strrchr($host, '.') ?: ''), 1);
-		if (in_array($topLevelDomain, $localTopLevelDomains)) {
-			$this->logger->warning("Host $host was not connected to because it violates local access rules");
-			throw new LocalServerException('Host violates local access rules');
-		}
-
-		// Disallow hostname only
-		if (substr_count($host, '.') === 0 && !(bool)filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
-			$this->logger->warning("Host $host was not connected to because it violates local access rules");
-			throw new LocalServerException('Host violates local access rules');
-		}
-
-		$this->ThrowIfLocalIp($host);
-	}
-}