X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FNetwork.php;h=7c7269fa8f7b2f0cfcc63d08b97afee09a6d4525;hb=71cf72cc8bde161471b2294c675fb0500dd48399;hp=6694fd4f0c057f3fad686824233334457bf5957a;hpb=4a1cf0e00a561cf940956d3efcb592dfc3d1bf13;p=friendica.git

diff --git a/src/Util/Network.php b/src/Util/Network.php
index 6694fd4f0c..7c7269fa8f 100644
--- a/src/Util/Network.php
+++ b/src/Util/Network.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2022, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -25,6 +25,7 @@ use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\DI;
 use Friendica\Model\Contact;
+use Friendica\Network\HTTPException\NotModifiedException;
 
 class Network
 {
@@ -177,6 +178,35 @@ class Network
 		return false;
 	}
 
+	/**
+	 * Checks if the provided url is on the list of domains where redirects are blocked.
+	 * Returns true if it is or malformed URL, false if not.
+	 *
+	 * @param string $url The url to check the domain from
+	 *
+	 * @return boolean
+	 */
+	public static function isRedirectBlocked(string $url)
+	{
+		$host = @parse_url($url, PHP_URL_HOST);
+		if (!$host) {
+			return false;
+		}
+
+		$no_redirect_list = DI::config()->get('system', 'no_redirect_list', []);
+		if (!$no_redirect_list) {
+			return false;
+		}
+
+		foreach ($no_redirect_list as $no_redirect) {
+			if (fnmatch(strtolower($no_redirect), strtolower($host))) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
 	/**
 	 * Check if email address is allowed to register here.
 	 *
@@ -239,7 +269,7 @@ class Network
 			$avatar['url'] = DI::baseUrl() . Contact::DEFAULT_AVATAR_PHOTO;
 		}
 
-		Logger::log('Avatar: ' . $avatar['email'] . ' ' . $avatar['url'], Logger::DEBUG);
+		Logger::info('Avatar: ' . $avatar['email'] . ' ' . $avatar['url']);
 		return $avatar['url'];
 	}
 
@@ -405,7 +435,8 @@ class Network
 	 *
 	 * @param array $parsed URL parts
 	 *
-	 * @return string The glued URL
+	 * @return string The glued URL.
+	 * @deprecated since version 2021.12, use a UriInterface object like GuzzleHttp\Psr7\Uri instead
 	 */
 	public static function unparseURL(array $parsed)
 	{
@@ -515,8 +546,18 @@ class Network
 		header('Last-Modified: ' . $last_modified);
 
 		if ($flag_not_modified) {
-			header("HTTP/1.1 304 Not Modified");
-			exit;
+			throw new NotModifiedException();
 		}
 	}
+
+	/**
+	 * Check if the given URL is a local link
+	 *
+	 * @param string $url 
+	 * @return bool 
+	 */
+	public static function isLocalLink(string $url)
+	{
+		return (strpos(Strings::normaliseLink($url), Strings::normaliseLink(DI::baseUrl())) !== false);
+	}
 }