Handling of unlisted posts, better uid detection
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4 changed files with 73 additions and 76 deletions
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@ -31,8 +31,8 @@ function follow_post(App $a)
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// This is just a precaution if maybe this page is called somewhere directly via POST
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$_SESSION['fastlane'] = $url;
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$result = Contact::createFromProbe($uid, $url, true, Protocol::ACTIVITYPUB);
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// $result = Contact::createFromProbe($uid, $url, true);
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// $result = Contact::createFromProbe($uid, $url, true, Protocol::ACTIVITYPUB);
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$result = Contact::createFromProbe($uid, $url, true);
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if ($result['success'] == false) {
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if ($result['message']) {
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@ -1322,33 +1322,27 @@ class Contact extends BaseObject
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require_once 'include/conversation.php';
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// There are no posts with "uid = 0" with connector networks
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// This speeds up the query a lot
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$r = q("SELECT `network`, `id` AS `author-id`, `contact-type` FROM `contact`
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WHERE `contact`.`nurl` = '%s' AND `contact`.`uid` = 0",
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DBA::escape(normalise_link($contact_url))
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);
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$cid = Self::getIdForURL($contact_url);
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if (!DBA::isResult($r)) {
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$contact = DBA::selectFirst('contact', ['contact-type', 'network'], ['id' => $cid]);
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if (!DBA::isResult($contact)) {
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return '';
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}
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if (in_array($r[0]["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
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if (in_array($contact["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
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$sql = "(`item`.`uid` = 0 OR (`item`.`uid` = ? AND NOT `item`.`global`))";
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} else {
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$sql = "`item`.`uid` = ?";
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}
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$author_id = intval($r[0]["author-id"]);
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$contact = ($r[0]["contact-type"] == self::ACCOUNT_TYPE_COMMUNITY ? 'owner-id' : 'author-id');
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$contact_field = ($contact["contact-type"] == self::ACCOUNT_TYPE_COMMUNITY ? 'owner-id' : 'author-id');
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if ($thread_mode) {
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$condition = ["`$contact` = ? AND `gravity` = ? AND " . $sql,
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$author_id, GRAVITY_PARENT, local_user()];
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$condition = ["`$contact_field` = ? AND `gravity` = ? AND " . $sql,
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$cid, GRAVITY_PARENT, local_user()];
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} else {
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$condition = ["`$contact` = ? AND `gravity` IN (?, ?) AND " . $sql,
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$author_id, GRAVITY_PARENT, GRAVITY_COMMENT, local_user()];
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$condition = ["`$contact_field` = ? AND `gravity` IN (?, ?) AND " . $sql,
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$cid, GRAVITY_PARENT, GRAVITY_COMMENT, local_user()];
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}
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$params = ['order' => ['created' => true],
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@ -2071,6 +2071,7 @@ class Item extends BaseObject
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$users = [];
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/// @todo add a field "pcid" in the contact table that referrs to the public contact id.
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$owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
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if (!DBA::isResult($owner)) {
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return;
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@ -2110,43 +2111,7 @@ class Item extends BaseObject
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}
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DBA::close($contacts);
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}
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/*
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$condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
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$parent['owner-id'], Contact::SHARING, Contact::FRIEND];
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$contacts = DBA::select('contact', ['uid'], $condition);
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while ($contact = DBA::fetch($contacts)) {
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$users[$contact['uid']] = $contact['uid'];
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}
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DBA::close($contacts);
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// And the same with the alias in the user contacts
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$condition = ["`alias` IN (SELECT `url` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
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$parent['owner-id'], Contact::SHARING, Contact::FRIEND];
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$contacts = DBA::select('contact', ['uid'], $condition);
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while ($contact = DBA::fetch($contacts)) {
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$users[$contact['uid']] = $contact['uid'];
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}
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DBA::close($contacts);
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// And vice versa
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$condition = ["`url` IN (SELECT `alias` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
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$parent['owner-id'], Contact::SHARING, Contact::FRIEND];
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$contacts = DBA::select('contact', ['uid'], $condition);
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while ($contact = DBA::fetch($contacts)) {
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$users[$contact['uid']] = $contact['uid'];
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}
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DBA::close($contacts);
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*/
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$origin_uid = 0;
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if ($item['uri'] != $item['parent-uri']) {
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@ -65,17 +65,20 @@ class ActivityPub
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$content = json_encode($data);
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// Header data that is about to be signed.
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/// @todo Add "digest"
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$host = parse_url($target, PHP_URL_HOST);
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$path = parse_url($target, PHP_URL_PATH);
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$date = date('r');
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$content_length = strlen($content);
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$headers = ['Host: ' . $host, 'Date: ' . $date];
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$headers = ['Host: ' . $host, 'Date: ' . $date, 'Content-Length: ' . $content_length];
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$signed_data = "(request-target): post " . $path . "\nhost: " . $host . "\ndate: " . $date;
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$signed_data = "(request-target): post " . $path . "\nhost: " . $host . "\ndate: " . $date . "\ncontent-length: " . $content_length;
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$signature = base64_encode(Crypto::rsaSign($signed_data, $owner['uprvkey'], 'sha256'));
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$headers[] = 'Signature: keyId="' . $owner['url'] . '#main-key' . '",headers="(request-target) host date",signature="' . $signature . '"';
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$headers[] = 'Signature: keyId="' . $owner['url'] . '#main-key' . '",headers="(request-target) host date content-length",signature="' . $signature . '"';
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$headers[] = 'Content-Type: application/activity+json';
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Network::post($target, $content, $headers);
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@ -102,7 +105,7 @@ class ActivityPub
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return [];
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}
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$fields = ['locality', 'region', 'country-name'];
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$fields = ['locality', 'region', 'country-name', 'page-flags'];
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$profile = DBA::selectFirst('profile', $fields, ['uid' => $uid, 'is-default' => true]);
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if (!DBA::isResult($profile)) {
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return [];
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@ -131,7 +134,7 @@ class ActivityPub
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'vcard:region' => $profile['region'], 'vcard:locality' => $profile['locality']];
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$data['summary'] = $contact['about'];
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$data['url'] = $contact['url'];
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$data['manuallyApprovesFollowers'] = false; /// @todo
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$data['manuallyApprovesFollowers'] = in_array($profile['page-flags'], [Contact::PAGE_NORMAL, Contact::PAGE_PRVGROUP]);
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$data['publicKey'] = ['id' => $contact['url'] . '#main-key',
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'owner' => $contact['url'],
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'publicKeyPem' => $user['pubkey']];
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@ -392,7 +395,7 @@ class ActivityPub
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return false;
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}
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// Check the digest if it was part of the signed data
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// Check the digest when it is part of the signed data
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if (in_array('digest', $sig_block['headers'])) {
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$digest = explode('=', $headers['digest'], 2);
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if ($digest[0] === 'SHA-256') {
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@ -409,7 +412,7 @@ class ActivityPub
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}
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}
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// Check the content-length if it was part of the signed data
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// Check the content-length when it is part of the signed data
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if (in_array('content-length', $sig_block['headers'])) {
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if (strlen($content) != $headers['content-length']) {
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return false;
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@ -599,7 +602,7 @@ class ActivityPub
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}
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// Fetch all receivers from to, cc, bto and bcc
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$receivers = self::getReceivers($activity);
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$receivers = self::getReceivers($activity, $actor);
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// When it is a delivery to a personal inbox we add that user to the receivers
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if (!empty($uid)) {
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@ -728,10 +731,13 @@ class ActivityPub
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}
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}
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private static function getReceivers($activity)
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private static function getReceivers($activity, $actor)
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{
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$receivers = [];
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$data = self::fetchContent($actor);
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$followers = defaults($data, 'followers', '');
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$elements = ['to', 'cc', 'bto', 'bcc'];
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foreach ($elements as $element) {
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if (empty($activity[$element])) {
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@ -744,8 +750,25 @@ class ActivityPub
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}
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foreach ($activity[$element] as $receiver) {
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if ($receiver == self::PUBLIC) {
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$receivers[$receiver] = 0;
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// Mastodon puts public only in "cc" not in "to" when the post should not be listed
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if (($receiver == self::PUBLIC) && ($element == 'to')) {
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$receivers['uid:0'] = 0;
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}
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if (($receiver == self::PUBLIC)) {
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$receivers['uid:-1'] = -1;
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}
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if (in_array($receiver, [$followers, self::PUBLIC])) {
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$condition = ['nurl' => normalise_link($actor), 'rel' => [Contact::SHARING, Contact::FRIEND]];
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$contacts = DBA::select('contact', ['uid'], $condition);
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while ($contact = DBA::fetch($contacts)) {
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if ($contact['uid'] != 0) {
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$receivers['uid:' . $contact['uid']] = $contact['uid'];
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}
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}
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DBA::close($contacts);
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continue;
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}
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$condition = ['self' => true, 'nurl' => normalise_link($receiver)];
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@ -753,7 +776,7 @@ class ActivityPub
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if (!DBA::isResult($contact)) {
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continue;
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}
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$receivers[$receiver] = $contact['uid'];
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$receivers['cid:' . $contact['uid']] = $contact['uid'];
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}
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}
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return $receivers;
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@ -875,7 +898,7 @@ class ActivityPub
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$object_data['tags'] = defaults($object, 'tag', null);
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$object_data['service'] = self::processElement($object, 'instrument', 'name', 'type', 'Service');
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$object_data['alternate-url'] = self::processElement($object, 'url', 'href');
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$object_data['receiver'] = self::getReceivers($object);
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$object_data['receiver'] = self::getReceivers($object, $object_data['owner']);
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// Unhandled
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// @context, type, actor, signature, mediaType, duration, replies, icon
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@ -1045,7 +1068,11 @@ class ActivityPub
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/// @todo What to do with $activity['context']?
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$item['network'] = Protocol::ACTIVITYPUB;
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$item['private'] = !in_array(0, $activity['receiver']);
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$item['private'] = !in_array(-1, $activity['receiver']);
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if (in_array(-1, $activity['receiver'])) {
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$item['private'] = 2;
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}
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$item['author-id'] = Contact::getIdForURL($activity['author'], 0, true);
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$item['owner-id'] = Contact::getIdForURL($activity['owner'], 0, true);
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$item['uri'] = $activity['uri'];
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@ -1072,6 +1099,10 @@ class ActivityPub
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$item['conversation-uri'] = $activity['conversation'];
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foreach ($activity['receiver'] as $receiver) {
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if ($receiver < 0) {
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continue;
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}
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$item['uid'] = $receiver;
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$item['contact-id'] = Contact::getIdForURL($activity['author'], $receiver, true);
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@ -1081,19 +1112,26 @@ class ActivityPub
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$item_id = Item::insert($item);
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logger('Storing for user ' . $item['uid'] . ': ' . $item_id);
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if (!empty($item_id) && ($item['uid'] == 0)) {
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Item::distribute($item_id);
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}
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}
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}
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private static function getUserOfObject($object)
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{
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$self = DBA::selectFirst('contact', ['uid'], ['nurl' => normalise_link($object), 'self' => true]);
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if (!DBA::isResult(§self)) {
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return false;
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} else {
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return $self['uid'];
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}
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}
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private static function followUser($activity)
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{
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if (empty($activity['receiver'][$activity['object']])) {
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$uid = self::getUserOfObject[$activity['object']];
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if (empty($uid)) {
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return;
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}
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$uid = $activity['receiver'][$activity['object']];
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$owner = User::getOwnerDataById($uid);
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$cid = Contact::getIdForURL($activity['owner'], $uid);
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@ -1123,11 +1161,11 @@ class ActivityPub
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private static function acceptFollowUser($activity)
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{
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if (empty($activity['receiver'][$activity['object']])) {
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$uid = self::getUserOfObject[$activity['object']];
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if (empty($uid)) {
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return;
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}
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$uid = $activity['receiver'][$activity['object']];
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$owner = User::getOwnerDataById($uid);
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$cid = Contact::getIdForURL($activity['owner'], $uid);
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@ -1150,11 +1188,11 @@ class ActivityPub
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private static function undoFollowUser($activity)
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{
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if (empty($activity['receiver'][$activity['object']])) {
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$uid = self::getUserOfObject[$activity['object']];
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if (empty($uid)) {
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return;
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}
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$uid = $activity['receiver'][$activity['object']];
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$owner = User::getOwnerDataById($uid);
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$cid = Contact::getIdForURL($activity['owner'], $uid);
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