<?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\Database\DBA;
+use Friendica\DI;
+use Friendica\Network\Probe;
+use Friendica\Protocol\ActivityNamespace;
use Friendica\Protocol\ActivityPub;
+use Friendica\Util\Crypto;
use Friendica\Util\Network;
use Friendica\Util\JsonLD;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Strings;
-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)
- * @return string url
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @param string $addr Address
+ * @return array webfinger data
*/
- private static function addrToUrl($addr)
+ public static function fetchWebfingerData(string $addr)
{
$addr_parts = explode('@', $addr);
if (count($addr_parts) != 2) {
- return false;
+ return [];
}
- $webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
-
- $curlResult = Network::curl($webfinger, false, $redirects, ['accept_content' => 'application/jrd+json,application/json']);
- if (!$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);
+ foreach ($webfinger['links'] as $link) {
+ if (empty($link['rel'])) {
+ continue;
+ }
- if (empty($data['links'])) {
- return false;
- }
+ if (!empty($link['template']) && ($link['rel'] == ActivityNamespace::OSTATUSSUB)) {
+ $data['subscribe'] = $link['template'];
+ }
- foreach ($data['links'] as $link) {
- if (empty($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'] = $link['href'];
}
- if (($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 [];
}
+ $fetched_contact = false;
+
if (empty($update)) {
if (is_null($update)) {
$ref_update = DateTimeFormat::utc('now - 1 month');
}
if (!is_null($update)) {
- return DBA::isResult($apcontact) ? $apcontact : false;
+ return DBA::isResult($apcontact) ? $apcontact : [];
+ }
+
+ if (DBA::isResult($apcontact)) {
+ $fetched_contact = $apcontact;
}
}
- if (empty(parse_url($url, PHP_URL_SCHEME))) {
- $url = self::addrToUrl($url);
- if (empty($url)) {
- return false;
+ $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)) {
- return false;
+ return $fetched_contact;
}
$compacted = JsonLD::compact($data);
if (empty($compacted['@id'])) {
- return false;
+ 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'));
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
+ if (empty($apcontact['url']) || empty($apcontact['inbox']) || empty($apcontact['type'])) {
+ return $fetched_contact;
}
- if (empty($apcontact['url']) || empty($apcontact['inbox'])) {
- return false;
+ // Quit if this doesn't seem to be an account at all
+ if (!in_array($apcontact['type'], ActivityPub::ACCOUNT_TYPES)) {
+ return $fetched_contact;
}
$parts = parse_url($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'] = $data['totalItems'];
+ }
+ }
+ }
+
// To-Do
// Unhandled
// Unhandled from Kroeg
// kroeg:blocks, updated
- // Check if the address is resolvable
- if (self::addrToUrl($apcontact['addr']) == $apcontact['url']) {
- $parts = parse_url($apcontact['url']);
- unset($parts['path']);
- $apcontact['baseurl'] = Network::unparseURL($parts);
- } else {
- $apcontact['addr'] = null;
+ // When the photo is too large, try to shorten it by removing parts
+ if (strlen($apcontact['photo']) > 255) {
+ $parts = parse_url($apcontact['photo']);
+ unset($parts['fragment']);
+ $apcontact['photo'] = Network::unparseURL($parts);
+
+ 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;
}
DBA::update('apcontact', $apcontact, ['url' => $url], true);
- // Update some data in the contact table with various ways to catch them all
- $contact_fields = ['name' => $apcontact['name'], 'about' => $apcontact['about'], 'alias' => $apcontact['alias']];
-
- // Fetch the type and match it with the contact type
- $contact_types = array_keys(ActivityPub::ACCOUNT_TYPES, $apcontact['type']);
- if (!empty($contact_types)) {
- $contact_type = array_pop($contact_types);
- if (is_int($contact_type)) {
- $contact_fields['contact-type'] = $contact_type;
-
- if ($contact_fields['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
- // Resetting the 'forum' and 'prv' field when it isn't a forum
- $contact_fields['forum'] = false;
- $contact_fields['prv'] = false;
- } else {
- // Otherwise set the corresponding forum type
- $contact_fields['forum'] = !$apcontact['manually-approve'];
- $contact_fields['prv'] = $apcontact['manually-approve'];
- }
- }
+ // We delete the old entry when the URL is changed
+ if (($url != $apcontact['url']) && DBA::exists('apcontact', ['url' => $url]) && DBA::exists('apcontact', ['url' => $apcontact['url']])) {
+ DBA::delete('apcontact', ['url' => $url]);
}
- DBA::update('contact', $contact_fields, ['nurl' => Strings::normaliseLink($url)]);
-
- $contacts = DBA::select('contact', ['uid', 'id'], ['nurl' => Strings::normaliseLink($url)]);
- while ($contact = DBA::fetch($contacts)) {
- Contact::updateAvatar($apcontact['photo'], $contact['uid'], $contact['id']);
- }
- DBA::close($contacts);
-
- // Update the gcontact table
- // These two fields don't exist in the gcontact table
- unset($contact_fields['forum']);
- unset($contact_fields['prv']);
- DBA::update('gcontact', $contact_fields, ['nurl' => Strings::normaliseLink($url)]);
-
- Logger::log('Updated profile for ' . $url, Logger::DEBUG);
+ Logger::info('Updated profile', ['url' => $url]);
return $apcontact;
}