daa1177e3a
- Remove unused use statement - Remove superfluous use statements (classes in the same namespace) - Add missing use statements
139 lines
4.6 KiB
PHP
139 lines
4.6 KiB
PHP
<?php
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use Friendica\App;
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use Friendica\Database\dba;
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use Friendica\Database\DBM;
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use Friendica\Protocol\OStatus;
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require_once('include/security.php');
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require_once('include/items.php');
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function hub_return($valid, $body)
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{
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if ($valid) {
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header($_SERVER["SERVER_PROTOCOL"] . ' 200 OK');
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echo $body;
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} else {
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header($_SERVER["SERVER_PROTOCOL"] . ' 404 Not Found');
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}
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killme();
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}
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// when receiving an XML feed, always return OK
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function hub_post_return()
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{
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header($_SERVER["SERVER_PROTOCOL"] . ' 200 OK');
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killme();
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}
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function pubsub_init(App $a)
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{
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$nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
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$contact_id = (($a->argc > 2) ? intval($a->argv[2]) : 0 );
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if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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$hub_mode = notags(trim(defaults($_GET, 'hub_mode', '')));
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$hub_topic = notags(trim(defaults($_GET, 'hub_topic', '')));
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$hub_challenge = notags(trim(defaults($_GET, 'hub_challenge', '')));
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$hub_lease = notags(trim(defaults($_GET, 'hub_lease_seconds', '')));
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$hub_verify = notags(trim(defaults($_GET, 'hub_verify_token', '')));
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logger('Subscription from ' . $_SERVER['REMOTE_ADDR'] . ' Mode: ' . $hub_mode . ' Nick: ' . $nick);
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logger('Data: ' . print_r($_GET,true), LOGGER_DATA);
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$subscribe = (($hub_mode === 'subscribe') ? 1 : 0);
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$owner = dba::selectFirst('user', ['uid'], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
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if (!DBM::is_result($owner)) {
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logger('Local account not found: ' . $nick);
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hub_return(false, '');
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}
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$condition = ['uid' => $owner['uid'], 'id' => $contact_id, 'blocked' => false, 'pending' => false];
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if (!empty($hub_verify)) {
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$condition['hub-verify'] = $hub_verify;
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}
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$contact = dba::selectFirst('contact', ['id', 'poll'], $condition);
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if (!DBM::is_result($contact)) {
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logger('Contact ' . $contact_id . ' not found.');
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hub_return(false, '');
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}
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if (!empty($hub_topic) && !link_compare($hub_topic, $contact['poll'])) {
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logger('Hub topic ' . $hub_topic . ' != ' . $contact['poll']);
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hub_return(false, '');
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}
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// We must initiate an unsubscribe request with a verify_token.
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// Don't allow outsiders to unsubscribe us.
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if (($hub_mode === 'unsubscribe') && empty($hub_verify)) {
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logger('Bogus unsubscribe');
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hub_return(false, '');
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}
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if (!empty($hub_mode)) {
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dba::update('contact', ['subhub' => $subscribe], ['id' => $contact['id']]);
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logger($hub_mode . ' success for contact ' . $contact_id . '.');
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}
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hub_return(true, $hub_challenge);
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}
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}
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function pubsub_post(App $a)
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{
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$xml = file_get_contents('php://input');
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logger('Feed arrived from ' . $_SERVER['REMOTE_ADDR'] . ' for ' . $a->cmd . ' with user-agent: ' . $_SERVER['HTTP_USER_AGENT']);
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logger('Data: ' . $xml, LOGGER_DATA);
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$nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
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$contact_id = (($a->argc > 2) ? intval($a->argv[2]) : 0 );
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$importer = dba::selectFirst('user', [], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
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if (!DBM::is_result($importer)) {
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hub_post_return();
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}
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$condition = ['id' => $contact_id, 'uid' => $importer['uid'], 'subhub' => true, 'blocked' => false];
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$contact = dba::selectFirst('contact', [], $condition);
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if (!DBM::is_result($contact)) {
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$author = OStatus::salmonAuthor($xml, $importer);
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if (!empty($author['contact-id'])) {
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$condition = ['id' => $author['contact-id'], 'uid' => $importer['uid'], 'subhub' => true, 'blocked' => false];
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$contact = dba::selectFirst('contact', [], $condition);
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logger('No record for ' . $nick .' with contact id ' . $contact_id . ' - using '.$author['contact-id'].' instead.');
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}
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if (!DBM::is_result($contact)) {
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logger('Contact ' . $author["author-link"] . ' (' . $contact_id . ') for user ' . $nick . " wasn't found - ignored. XML: " . $xml);
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hub_post_return();
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}
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}
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if (!in_array($contact['rel'], [CONTACT_IS_SHARING, CONTACT_IS_FRIEND]) && ($contact['network'] != NETWORK_FEED)) {
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logger('Contact ' . $contact['id'] . ' is not expected to share with us - ignored.');
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hub_post_return();
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}
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// We import feeds from OStatus, Friendica and ATOM/RSS.
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/// @todo Check if Friendica posts really arrive here - otherwise we can discard some stuff
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if (!in_array($contact['network'], [NETWORK_OSTATUS, NETWORK_DFRN, NETWORK_FEED])) {
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hub_post_return();
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}
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logger('Import item for ' . $nick . ' from ' . $contact['nick'] . ' (' . $contact['id'] . ')');
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$feedhub = '';
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consume_feed($xml, $importer, $contact, $feedhub);
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// do it a second time for DFRN so that any children find their parents.
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if ($contact['network'] === NETWORK_DFRN) {
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consume_feed($xml, $importer, $contact, $feedhub);
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}
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hub_post_return();
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}
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