*/
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
*
*/
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']);
- Logger::info('Discover AP followers', ['url' => $url, 'contacts' => count($followers)]);
- foreach ($followers as $follower) {
- if (DBA::exists('gcontact', ['nurl' => Strings::normaliseLink(($follower))])) {
- continue;
- }
- Logger::info('Discover new AP contact', ['url' => $follower]);
- Worker::add(PRIORITY_LOW, 'UpdateGContact', $follower);
- }
- Logger::info('AP followers discovery finished', ['url' => $url]);
+ } else {
+ $followers = [];
}
if (!empty($apcontact['following']) && is_string($apcontact['following'])) {
$followings = ActivityPub::fetchItems($apcontact['following']);
- Logger::info('Discover AP followings', ['url' => $url, 'contacts' => count($followings)]);
- foreach ($followings as $following) {
- if (DBA::exists('gcontact', ['nurl' => Strings::normaliseLink(($following))])) {
- continue;
+ } 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'];
}
- Logger::info('Discover new AP contact', ['url' => $following]);
- Worker::add(PRIORITY_LOW, 'UpdateGContact', $following);
}
- Logger::info('AP followings discovery finished', ['url' => $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($data['poco'])) {
foreach ($poco['entry'] as $entries) {
if (!empty($entries['urls'])) {
- foreach ($entries['urls'] as $url) {
- if ($url['type'] == 'profile') {
- if (DBA::exists('gcontact', ['nurl' => Strings::normaliseLink(($url['value']))])) {
+ foreach ($entries['urls'] as $entry) {
+ if ($entry['type'] == 'profile') {
+ if (DBA::exists('gcontact', ['nurl' => Strings::normaliseLink(($entry['value']))])) {
continue;
}
- Logger::info('Discover new PoCo contact', ['url' => $$url['value']]);
- Worker::add(PRIORITY_LOW, 'UpdateGContact', $$url['value']);
+ 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]);
}