X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FModel%2FAPContact.php;h=9fc72ac5a49d7780a1c4fef68976e323b0c9ef1c;hb=701dbdf7fc4979f05fde1c655b17ca3aff0a59e0;hp=c535034487c2946a7e61d9be573280af5655f7c0;hpb=65c0418807d493d653938cc7051a07d6aa783f87;p=friendica.git

diff --git a/src/Model/APContact.php b/src/Model/APContact.php
index c535034487..9fc72ac5a4 100644
--- a/src/Model/APContact.php
+++ b/src/Model/APContact.php
@@ -1,75 +1,89 @@
 <?php
-
 /**
- * @file src/Model/APContact.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\Model;
 
-use Friendica\BaseObject;
 use Friendica\Content\Text\HTML;
 use Friendica\Core\Logger;
-use Friendica\Core\Config;
 use Friendica\Database\DBA;
+use Friendica\Network\Probe;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Protocol\ActivityPub;
-use Friendica\Util\Network;
-use Friendica\Util\JsonLD;
+use Friendica\Util\Crypto;
 use Friendica\Util\DateTimeFormat;
-use Friendica\Util\Strings;
+use Friendica\Util\JsonLD;
+use Friendica\Util\Network;
 
-class APContact extends BaseObject
+class APContact
 {
 	/**
-	 * Resolves the profile url from the address by using webfinger
+	 * Fetch webfinger data
 	 *
-	 * @param string $addr profile address (user@domain.tld)
-	 * @param string $url profile URL. When set then we return "true" when this profile url can be found at the address
-	 * @return string|boolean url
-	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+	 * @param string $addr Address
+	 * @return array webfinger data
 	 */
-	private static function addrToUrl($addr, $url = null)
+	public static function fetchWebfingerData(string $addr)
 	{
 		$addr_parts = explode('@', $addr);
 		if (count($addr_parts) != 2) {
-			return false;
+			return [];
 		}
 
-		$xrd_timeout = Config::get('system', 'xrd_timeout');
-
-		$webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
-
-		$curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
-		if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
-			$webfinger = Strings::normaliseLink($webfinger);
-
-			$curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
-
-			if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
-				return false;
+		$data = ['addr' => $addr];
+		$template = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
+		$webfinger = Probe::webfinger(str_replace('{uri}', urlencode($addr), $template), 'application/jrd+json');
+		if (empty($webfinger['links'])) {
+			$template = 'http://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
+			$webfinger = Probe::webfinger(str_replace('{uri}', urlencode($addr), $template), 'application/jrd+json');
+			if (empty($webfinger['links'])) {
+				return [];
 			}
+			$data['baseurl'] = 'http://' . $addr_parts[1];
+		} else {
+			$data['baseurl'] = 'https://' . $addr_parts[1];
 		}
 
-		$data = json_decode($curlResult->getBody(), true);
-
-		if (empty($data['links'])) {
-			return false;
-		}
+		foreach ($webfinger['links'] as $link) {
+			if (empty($link['rel'])) {
+				continue;
+			}
 
-		foreach ($data['links'] as $link) {
-			if (!empty($url) && !empty($link['href']) && ($link['href'] == $url)) {
-				return true;
+			if (!empty($link['template']) && ($link['rel'] == ActivityNamespace::OSTATUSSUB)) {
+				$data['subscribe'] = $link['template'];
 			}
 
-			if (empty($link['href']) || empty($link['rel']) || empty($link['type'])) {
-				continue;
+			if (!empty($link['href']) && !empty($link['type']) && ($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
+				$data['url'] = $link['href'];
 			}
 
-			if (empty($url) && ($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
-				return $link['href'];
+			if (!empty($link['href']) && !empty($link['type']) && ($link['rel'] == 'http://webfinger.net/rel/profile-page') && ($link['type'] == 'text/html')) {
+				$data['alias'] = $link['href'];
 			}
 		}
 
-		return false;
+		if (!empty($data['url']) && !empty($data['alias']) && ($data['url'] == $data['alias'])) {
+			unset($data['alias']);
+		}
+
+		return $data;
 	}
 
 	/**
@@ -118,11 +132,15 @@ class APContact extends BaseObject
 			}
 		}
 
-		if (empty(parse_url($url, PHP_URL_SCHEME))) {
-			$url = self::addrToUrl($url);
-			if (empty($url)) {
+		$apcontact = [];
+
+		$webfinger = empty(parse_url($url, PHP_URL_SCHEME));
+		if ($webfinger) {
+			$apcontact = self::fetchWebfingerData($url);
+			if (empty($apcontact['url'])) {
 				return $fetched_contact;
 			}
+			$url = $apcontact['url'];
 		}
 
 		$data = ActivityPub::fetchContent($url);
@@ -136,7 +154,6 @@ class APContact extends BaseObject
 			return $fetched_contact;
 		}
 
-		$apcontact = [];
 		$apcontact['url'] = $compacted['@id'];
 		$apcontact['uuid'] = JsonLD::fetchElement($compacted, 'diaspora:guid', '@value');
 		$apcontact['type'] = str_replace('as:', '', JsonLD::fetchElement($compacted, '@type'));
@@ -167,9 +184,11 @@ class APContact extends BaseObject
 			$apcontact['photo'] = JsonLD::fetchElement($compacted['as:icon'], 'as:url', '@id');
 		}
 
-		$apcontact['alias'] = JsonLD::fetchElement($compacted, 'as:url', '@id');
-		if (is_array($apcontact['alias'])) {
-			$apcontact['alias'] = JsonLD::fetchElement($compacted['as:url'], 'as:href', '@id');
+		if (empty($apcontact['alias'])) {
+			$apcontact['alias'] = JsonLD::fetchElement($compacted, 'as:url', '@id');
+			if (is_array($apcontact['alias'])) {
+				$apcontact['alias'] = JsonLD::fetchElement($compacted['as:url'], 'as:href', '@id');
+			}
 		}
 
 		// Quit if none of the basic values are set
@@ -186,15 +205,20 @@ class APContact extends BaseObject
 		unset($parts['scheme']);
 		unset($parts['path']);
 
-		if (!empty($apcontact['nick'])) {
-			$apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
-		} else {
-			$apcontact['addr'] = '';
+		if (empty($apcontact['addr'])) {
+			if (!empty($apcontact['nick'])) {
+				$apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
+			} else {
+				$apcontact['addr'] = '';
+			}
 		}
 
 		$apcontact['pubkey'] = null;
 		if (!empty($compacted['w3id:publicKey'])) {
 			$apcontact['pubkey'] = trim(JsonLD::fetchElement($compacted['w3id:publicKey'], 'w3id:publicKeyPem', '@value'));
+			if (strstr($apcontact['pubkey'], 'RSA ')) {
+				$apcontact['pubkey'] = Crypto::rsaToPem($apcontact['pubkey']);
+			}
 		}
 
 		$apcontact['manually-approve'] = (int)JsonLD::fetchElement($compacted, 'as:manuallyApprovesFollowers');
@@ -242,21 +266,54 @@ class APContact extends BaseObject
 		// Unhandled from Kroeg
 		// kroeg:blocks, updated
 
-		$parts = parse_url($apcontact['url']);
-		unset($parts['path']);
-		$baseurl = Network::unparseURL($parts);
+		// When the photo is too large, try to shorten it by removing parts
+		if (strlen($apcontact['photo']) > 255) {
+			$parts = parse_url($apcontact['photo']);
+			unset($parts['fragment']);
+			$apcontact['photo'] = Network::unparseURL($parts);
 
-		// Check if the address is resolvable or the profile url is identical with the base url of the system
-		if (self::addrToUrl($apcontact['addr'], $apcontact['url']) || Strings::compareLink($apcontact['url'], $baseurl)) {
-			$apcontact['baseurl'] = $baseurl;
-		} else {
-			$apcontact['addr'] = null;
+			if (strlen($apcontact['photo']) > 255) {
+				unset($parts['query']);
+				$apcontact['photo'] = Network::unparseURL($parts);
+			}
+
+			if (strlen($apcontact['photo']) > 255) {
+				$apcontact['photo'] = substr($apcontact['photo'], 0, 255);
+			}
+		}
+
+		if (!$webfinger && !empty($apcontact['addr'])) {
+			$data = self::fetchWebfingerData($apcontact['addr']);
+			if (!empty($data)) {
+				$apcontact['baseurl'] = $data['baseurl'];
+
+				if (empty($apcontact['alias']) && !empty($data['alias'])) {
+					$apcontact['alias'] = $data['alias'];
+				}
+				if (!empty($data['subscribe'])) {
+					$apcontact['subscribe'] = $data['subscribe'];
+				}
+			} else {
+				$apcontact['addr'] = null;
+			}
 		}
 
 		if (empty($apcontact['baseurl'])) {
 			$apcontact['baseurl'] = null;
 		}
 
+		if (empty($apcontact['subscribe'])) {
+			$apcontact['subscribe'] = null;
+		}		
+
+		if (!empty($apcontact['baseurl']) && empty($fetched_contact['gsid'])) {
+			$apcontact['gsid'] = GServer::getID($apcontact['baseurl']);
+		} elseif (!empty($fetched_contact['gsid'])) {
+			$apcontact['gsid'] = $fetched_contact['gsid'];
+		} else {
+			$apcontact['gsid'] = null;
+		}
+
 		if ($apcontact['url'] == $apcontact['alias']) {
 			$apcontact['alias'] = null;
 		}
@@ -270,7 +327,7 @@ class APContact extends BaseObject
 			DBA::delete('apcontact', ['url' => $url]);
 		}
 
-		Logger::log('Updated profile for ' . $url, Logger::DEBUG);
+		Logger::info('Updated profile', ['url' => $url]);
 
 		return $apcontact;
 	}