use Friendica\Core\Protocol;
use Friendica\Core\System;
use Friendica\Core\Search;
+use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Network\Probe;
*/
class GContact
{
+ /**
+ * No discovery of followers/followings
+ */
+ const DISCOVERY_NONE = 0;
+ /**
+ * Only discover followers/followings from direct contacts
+ */
+ const DISCOVERY_DIRECT = 1;
+ /**
+ * Recursive discovery of followers/followings
+ */
+ const DISCOVERY_RECURSIVE = 2;
+
/**
* Search global contact table by nick or name
*
'keywords' => $userdata['pub_keywords'],
'birthday' => $userdata['dob'], 'photo' => $userdata['photo'],
"notify" => $userdata['notify'], 'url' => $userdata['url'],
- "hide" => ($userdata['hidewall'] || !$userdata['net-publish']),
+ "hide" => !$userdata['net-publish'],
'nick' => $userdata['nickname'], 'addr' => $userdata['addr'],
"connect" => $userdata['addr'], "server_url" => DI::baseUrl(),
"generation" => 1, 'network' => Protocol::DFRN];
}
}
+ /**
+ * Fetches the followers of a given profile and adds them
+ *
+ * @param string $url URL of a profile
+ * @return void
+ */
+ public static function discoverFollowers(string $url)
+ {
+ $gcontact = DBA::selectFirst('gcontact', ['id', 'last_discovery'], ['nurl' => Strings::normaliseLink(($url))]);
+ if (!DBA::isResult($gcontact)) {
+ return;
+ }
+
+ if ($gcontact['last_discovery'] > DateTimeFormat::utc('now - 1 month')) {
+ Logger::info('Last discovery was less then a month before.', ['url' => $url, 'discovery' => $gcontact['last_discovery']]);
+ return;
+ }
+
+ $gcid = $gcontact['id'];
+
+ $apcontact = APContact::getByURL($url);
+
+ if (!empty($apcontact['followers']) && is_string($apcontact['followers'])) {
+ $followers = ActivityPub::fetchItems($apcontact['followers']);
+ } else {
+ $followers = [];
+ }
+
+ if (!empty($apcontact['following']) && is_string($apcontact['following'])) {
+ $followings = ActivityPub::fetchItems($apcontact['following']);
+ } else {
+ $followings = [];
+ }
+
+ if (!empty($followers) || !empty($followings)) {
+ if (!empty($followers)) {
+ // Clear the follower list, since it will be recreated in the next step
+ DBA::update('gfollower', ['deleted' => true], ['gcid' => $gcid]);
+ }
+
+ $contacts = [];
+ foreach (array_merge($followers, $followings) as $contact) {
+ if (is_string($contact)) {
+ $contacts[] = $contact;
+ } elseif (!empty($contact['url']) && is_string($contact['url'])) {
+ $contacts[] = $contact['url'];
+ }
+ }
+ $contacts = array_unique($contacts);
+
+ Logger::info('Discover AP contacts', ['url' => $url, 'contacts' => count($contacts)]);
+ foreach ($contacts as $contact) {
+ $gcontact = DBA::selectFirst('gcontact', ['id'], ['nurl' => Strings::normaliseLink(($contact))]);
+ if (DBA::isResult($gcontact)) {
+ $fields = [];
+ if (in_array($contact, $followers)) {
+ $fields = ['gcid' => $gcid, 'follower-gcid' => $gcontact['id']];
+ } elseif (in_array($contact, $followings)) {
+ $fields = ['gcid' => $gcontact['id'], 'follower-gcid' => $gcid];
+ }
+
+ if (!empty($fields)) {
+ Logger::info('Set relation between contacts', $fields);
+ DBA::update('gfollower', ['deleted' => false], $fields, true);
+ continue;
+ }
+ }
+
+ if (!Network::isUrlBlocked($contact)) {
+ Logger::info('Discover new AP contact', ['url' => $contact]);
+ Worker::add(PRIORITY_LOW, 'UpdateGContact', $contact);
+ } else {
+ Logger::info('No discovery, the URL is blocked.', ['url' => $contact]);
+ }
+ }
+ if (!empty($followers)) {
+ // Delete all followers that aren't undeleted
+ DBA::delete('gfollower', ['gcid' => $gcid, 'deleted' => true]);
+ }
+
+ DBA::update('gcontact', ['last_discovery' => DateTimeFormat::utcNow()], ['id' => $gcid]);
+ Logger::info('AP contacts discovery finished, last discovery set', ['url' => $url]);
+ return;
+ }
+
+ $data = Probe::uri($url);
+ if (empty($data['poco'])) {
+ return;
+ }
+
+ $curlResult = Network::curl($data['poco']);
+ if (!$curlResult->isSuccess()) {
+ return;
+ }
+ $poco = json_decode($curlResult->getBody(), true);
+ if (empty($poco['entry'])) {
+ return;
+ }
+
+ Logger::info('PoCo Discovery started', ['url' => $url, 'contacts' => count($poco['entry'])]);
+
+ foreach ($poco['entry'] as $entries) {
+ if (!empty($entries['urls'])) {
+ foreach ($entries['urls'] as $entry) {
+ if ($entry['type'] == 'profile') {
+ if (DBA::exists('gcontact', ['nurl' => Strings::normaliseLink(($entry['value']))])) {
+ continue;
+ }
+ if (!Network::isUrlBlocked($entry['value'])) {
+ Logger::info('Discover new PoCo contact', ['url' => $entry['value']]);
+ Worker::add(PRIORITY_LOW, 'UpdateGContact', $entry['value']);
+ } else {
+ Logger::info('No discovery, the URL is blocked.', ['url' => $entry['value']]);
+ }
+ }
+ }
+ }
+ }
+
+ DBA::update('gcontact', ['last_discovery' => DateTimeFormat::utcNow()], ['id' => $gcid]);
+ Logger::info('PoCo Discovery finished', ['url' => $url]);
+ }
+
/**
* Returns a random, global contact of the current node
*