<?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\Cache\Duration;
use Friendica\Core\Logger;
-use Friendica\Core\Config;
+use Friendica\Core\System;
use Friendica\Database\DBA;
+use Friendica\DI;
+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\HTTPSignature;
+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)
+ private 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 $data;
}
/**
public static function getByURL($url, $update = null)
{
if (empty($url)) {
- return false;
+ return [];
}
$fetched_contact = false;
}
if (!is_null($update)) {
- return DBA::isResult($apcontact) ? $apcontact : false;
+ return DBA::isResult($apcontact) ? $apcontact : [];
}
if (DBA::isResult($apcontact)) {
}
}
- 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);
if (empty($data)) {
+ self::markForArchival($fetched_contact ?: []);
return $fetched_contact;
}
return $fetched_contact;
}
- $apcontact = [];
+ // Detect multiple fast repeating request to the same address
+ // See https://github.com/friendica/friendica/issues/9303
+ $cachekey = 'apcontact:getByURL:' . $url;
+ $result = DI::cache()->get($cachekey);
+ if (!is_null($result)) {
+ Logger::notice('Multiple requests for the address', ['url' => $url, 'update' => $update, 'callstack' => System::callstack(20), 'result' => $result]);
+ } else {
+ DI::cache()->set($cachekey, System::callstack(20), Duration::FIVE_MINUTES);
+ }
+
$apcontact['url'] = $compacted['@id'];
$apcontact['uuid'] = JsonLD::fetchElement($compacted, 'diaspora:guid', '@value');
$apcontact['type'] = str_replace('as:', '', JsonLD::fetchElement($compacted, '@type'));
self::unarchiveInbox($apcontact['sharedinbox'], true);
}
- $apcontact['nick'] = JsonLD::fetchElement($compacted, 'as:preferredUsername', '@value');
+ $apcontact['nick'] = JsonLD::fetchElement($compacted, 'as:preferredUsername', '@value') ?? '';
$apcontact['name'] = JsonLD::fetchElement($compacted, 'as:name', '@value');
if (empty($apcontact['name'])) {
$apcontact['photo'] = JsonLD::fetchElement($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
$parts = parse_url($apcontact['url']);
unset($parts['scheme']);
unset($parts['path']);
- $apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
+ 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');
$apcontact['generator'] = JsonLD::fetchElement($compacted['as:generator'], 'as:name', '@value');
}
+ if (!empty($apcontact['following'])) {
+ $data = ActivityPub::fetchContent($apcontact['following']);
+ if (!empty($data)) {
+ if (!empty($data['totalItems'])) {
+ $apcontact['following_count'] = $data['totalItems'];
+ }
+ }
+ }
+
+ if (!empty($apcontact['followers'])) {
+ $data = ActivityPub::fetchContent($apcontact['followers']);
+ if (!empty($data)) {
+ if (!empty($data['totalItems'])) {
+ $apcontact['followers_count'] = $data['totalItems'];
+ }
+ }
+ }
+
+ if (!empty($apcontact['outbox'])) {
+ $data = ActivityPub::fetchContent($apcontact['outbox']);
+ if (!empty($data)) {
+ if (!empty($data['totalItems'])) {
+ $apcontact['statuses_count'] = $data['totalItems'];
+ }
+ }
+ }
+
// To-Do
// Unhandled
// 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;
}
$apcontact['updated'] = DateTimeFormat::utcNow();
- DBA::update('apcontact', $apcontact, ['url' => $url], true);
-
// We delete the old entry when the URL is changed
- if (($url != $apcontact['url']) && DBA::exists('apcontact', ['url' => $url]) && DBA::exists('apcontact', ['url' => $apcontact['url']])) {
+ if ($url != $apcontact['url']) {
+ Logger::info('Delete changed profile url', ['old' => $url, 'new' => $apcontact['url']]);
DBA::delete('apcontact', ['url' => $url]);
}
- Logger::log('Updated profile for ' . $url, Logger::DEBUG);
+ if (DBA::exists('apcontact', ['url' => $apcontact['url']])) {
+ DBA::update('apcontact', $apcontact, ['url' => $apcontact['url']]);
+ } else {
+ DBA::replace('apcontact', $apcontact);
+ }
+
+ Logger::info('Updated profile', ['url' => $url]);
return $apcontact;
}
+ /**
+ * Mark the given AP Contact as "to archive"
+ *
+ * @param array $apcontact
+ * @return void
+ */
+ public static function markForArchival(array $apcontact)
+ {
+ if (!empty($apcontact['inbox'])) {
+ Logger::info('Set inbox status to failure', ['inbox' => $apcontact['inbox']]);
+ HTTPSignature::setInboxStatus($apcontact['inbox'], false);
+ }
+
+ if (!empty($apcontact['sharedinbox'])) {
+ // Check if there are any vital inboxes
+ $vital = DBA::exists('apcontact', ["`sharedinbox` = ? AnD `inbox` IN (SELECT `url` FROM `inbox-status` WHERE `success` > `failure`)",
+ $apcontact['sharedinbox']]);
+ if (!$vital) {
+ // If all known personal inboxes are failing then set their shared inbox to failure as well
+ Logger::info('Set shared inbox status to failure', ['sharedinbox' => $apcontact['sharedinbox']]);
+ HTTPSignature::setInboxStatus($apcontact['sharedinbox'], false, true);
+ }
+ }
+ }
+
+ /**
+ * Unmark the given AP Contact as "to archive"
+ *
+ * @param array $apcontact
+ * @return void
+ */
+ public static function unmarkForArchival(array $apcontact)
+ {
+ if (!empty($apcontact['inbox'])) {
+ Logger::info('Set inbox status to success', ['inbox' => $apcontact['inbox']]);
+ HTTPSignature::setInboxStatus($apcontact['inbox'], true);
+ }
+ if (!empty($apcontact['sharedinbox'])) {
+ Logger::info('Set shared inbox status to success', ['sharedinbox' => $apcontact['sharedinbox']]);
+ HTTPSignature::setInboxStatus($apcontact['sharedinbox'], true, true);
+ }
+ }
+
/**
* Unarchive inboxes
*
- * @param string $url inbox url
+ * @param string $url inbox url
+ * @param boolean $shared Shared Inbox
*/
private static function unarchiveInbox($url, $shared)
{
return;
}
- $now = DateTimeFormat::utcNow();
-
- $fields = ['archive' => false, 'success' => $now, 'shared' => $shared];
-
- if (!DBA::exists('inbox-status', ['url' => $url])) {
- $fields = array_merge($fields, ['url' => $url, 'created' => $now]);
- DBA::insert('inbox-status', $fields);
- } else {
- DBA::update('inbox-status', $fields, ['url' => $url]);
- }
+ HTTPSignature::setInboxStatus($url, true, $shared);
}
}
projects / friendica.git / blobdiff