X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FNetwork%2FProbe.php;h=5872ae587b53fe84efd4248699a98a2d9cf5c064;hb=e27915a819397f391b5c50b5bf15e2475eb084bf;hp=91d894d2ee9ede193683747adaad0196f34a98a8;hpb=38e5733b6ee10f5a6dd7f017b6b6e7acfde80565;p=friendica.git

diff --git a/src/Network/Probe.php b/src/Network/Probe.php
index 91d894d2ee..5872ae587b 100644
--- a/src/Network/Probe.php
+++ b/src/Network/Probe.php
@@ -1,22 +1,36 @@
 <?php
 /**
- * @file src/Network/Probe.php
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @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 <https://www.gnu.org/licenses/>.
+ *
  */
-namespace Friendica\Network;
 
-/**
- * @file src/Network/Probe.php
- * Functions for probing URL
- */
+namespace Friendica\Network;
 
 use DOMDocument;
 use DomXPath;
 use Friendica\Core\Cache\Duration;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;
+use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\Contact;
+use Friendica\Model\GServer;
 use Friendica\Model\Profile;
 use Friendica\Protocol\ActivityNamespace;
 use Friendica\Protocol\ActivityPub;
@@ -29,13 +43,37 @@ use Friendica\Util\XML;
 
 /**
  * This class contain functions for probing URL
- *
  */
 class Probe
 {
 	private static $baseurl;
 	private static $istimeout;
 
+	/**
+	 * Remove stuff from an URI that doesn't belong there
+	 *
+	 * @param string $URI
+	 * @return string Cleaned URI
+	 */
+	public static function cleanURI(string $URI)
+	{
+		// At first remove leading and trailing junk
+		$URI = trim($URI, "@#?:/ \t\n\r\0\x0B");
+
+		$parts = parse_url($URI);
+
+		if (empty($parts['scheme'])) {
+			return $URI;
+		}
+
+		// Remove the URL fragment, since these shouldn't be part of any profile URL
+		unset($parts['fragment']);
+
+		$URI = Network::unparseURL($parts);
+
+		return $URI;
+	}
+
 	/**
 	 * Rearrange the array so that it always has the same order
 	 *
@@ -46,17 +84,19 @@ class Probe
 	private static function rearrangeData($data)
 	{
 		$fields = ["name", "nick", "guid", "url", "addr", "alias", "photo", "account-type",
-				"community", "keywords", "location", "about", "gender", "hide",
+				"community", "keywords", "location", "about", "hide",
 				"batch", "notify", "poll", "request", "confirm", "poco",
 				"following", "followers", "inbox", "outbox", "sharedinbox",
-				"priority", "network", "pubkey", "baseurl"];
+				"priority", "network", "pubkey", "baseurl", "gsid"];
 
 		$newdata = [];
 		foreach ($fields as $field) {
 			if (isset($data[$field])) {
 				$newdata[$field] = $data[$field];
-			} else {
+			} elseif ($field != "gsid") {
 				$newdata[$field] = "";
+			} else {
+				$newdata[$field] = null;
 			}
 		}
 
@@ -105,27 +145,37 @@ class Probe
 		// Reset the static variable
 		self::$baseurl = '';
 
-		$ssl_url = "https://".$host."/.well-known/host-meta";
-		$url = "http://".$host."/.well-known/host-meta";
+		// Handles the case when the hostname contains the scheme
+		if (!parse_url($host, PHP_URL_SCHEME)) {
+			$ssl_url = "https://" . $host . "/.well-known/host-meta";
+			$url = "http://" . $host . "/.well-known/host-meta";
+		} else {
+			$ssl_url = $host . "/.well-known/host-meta";
+			$url = '';
+		}
 
 		$xrd_timeout = DI::config()->get('system', 'xrd_timeout', 20);
 
-		Logger::log("Probing for ".$host, Logger::DEBUG);
+		Logger::info('Probing', ['host' => $host, 'ssl_url' => $ssl_url, 'url' => $url, 'callstack' => System::callstack(20)]);
 		$xrd = null;
 
 		$curlResult = Network::curl($ssl_url, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/xrd+xml']);
 		$ssl_connection_error = ($curlResult->getErrorNumber() == CURLE_COULDNT_CONNECT) || ($curlResult->getReturnCode() == 0);
 		if ($curlResult->isSuccess()) {
 			$xml = $curlResult->getBody();
-			$xrd = XML::parseString($xml, false);
-			$host_url = 'https://'.$host;
+			$xrd = XML::parseString($xml, true);
+			if (!empty($url)) {
+				$host_url = 'https://' . $host;
+			} else {
+				$host_url = $host;
+			}
 		} elseif ($curlResult->isTimeout()) {
 			Logger::info('Probing timeout', ['url' => $ssl_url], Logger::DEBUG);
 			self::$istimeout = true;
 			return false;
 		}
 
-		if (!is_object($xrd)) {
+		if (!is_object($xrd) && !empty($url)) {
 			$curlResult = Network::curl($url, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/xrd+xml']);
 			$connection_error = ($curlResult->getErrorNumber() == CURLE_COULDNT_CONNECT) || ($curlResult->getReturnCode() == 0);
 			if ($curlResult->isTimeout()) {
@@ -138,7 +188,7 @@ class Probe
 			}
 
 			$xml = $curlResult->getBody();
-			$xrd = XML::parseString($xml, false);
+			$xrd = XML::parseString($xml, true);
 			$host_url = 'http://'.$host;
 		}
 		if (!is_object($xrd)) {
@@ -221,11 +271,29 @@ class Probe
 	}
 
 	/**
-	 * Check an URI for LRDD data
+	 * Get the link for the remote follow page for a given profile link
 	 *
-	 * this is a replacement for the "lrdd" function.
-	 * It isn't used in this class and has some redundancies in the code.
-	 * When time comes we can check the existing calls for "lrdd" if we can rework them.
+	 * @param sting $profile
+	 * @return string Remote follow page link
+	 */
+	public static function getRemoteFollowLink(string $profile)
+	{
+		$follow_link = '';
+
+		$links = self::lrdd($profile);
+
+		if (!empty($links) && is_array($links)) {
+			foreach ($links as $link) {
+				if ($link['@attributes']['rel'] === ActivityNamespace::OSTATUSSUB) {
+					$follow_link = $link['@attributes']['template'];
+				}
+			}
+		}
+		return $follow_link;
+	}
+
+	/**
+	 * Check an URI for LRDD data
 	 *
 	 * @param string $uri Address that should be probed
 	 *
@@ -247,7 +315,7 @@ class Probe
 				return [];
 			}
 
-			$host = $parts["host"];
+			$host = $parts['scheme'] . '://' . $parts["host"];
 			if (!empty($parts["port"])) {
 				$host .= ':'.$parts["port"];
 			}
@@ -305,7 +373,7 @@ class Probe
 			$data[] = ["@attributes" => $link];
 		}
 
-		if (is_array($webfinger["aliases"])) {
+		if (!empty($webfinger["aliases"]) && is_array($webfinger["aliases"])) {
 			foreach ($webfinger["aliases"] as $alias) {
 				$data[] = ["@attributes" =>
 							["rel" => "alias",
@@ -396,6 +464,10 @@ class Probe
 			$data['baseurl'] = self::$baseurl;
 		}
 
+		if (!empty($data['baseurl']) && empty($data['gsid'])) {
+			$data['gsid'] = GServer::getID($data['baseurl']);
+		}
+
 		if (empty($data['network'])) {
 			$data['network'] = Protocol::PHANTOM;
 		}
@@ -816,9 +888,6 @@ class Probe
 			if (!empty($profile['description'])) {
 				$data['about'] = $profile['description'];
 			}
-			if (!empty($profile['gender'])) {
-				$data['gender'] = $profile['gender'];
-			}
 			if (!empty($profile['keywords'])) {
 				$keywords = implode(', ', $profile['keywords']);
 				if (!empty($keywords)) {
@@ -874,7 +943,7 @@ class Probe
 		}
 
 		// If it is not JSON, maybe it is XML
-		$xrd = XML::parseString($data, false);
+		$xrd = XML::parseString($data, true);
 		if (!is_object($xrd)) {
 			Logger::log("No webfinger data retrievable for ".$url, Logger::DEBUG);
 			return false;
@@ -979,10 +1048,6 @@ class Probe
 			$data["about"] = $json["about"];
 		}
 
-		if (!empty($json["gender"])) {
-			$data["gender"] = $json["gender"];
-		}
-
 		if (!empty($json["key"])) {
 			$data["pubkey"] = $json["key"];
 		}