mirror of https://github.com/friendica/friendica
Activitity pub - first commit with much test code
This commit is contained in:
parent
dcb9bf4136
commit
0a5476591d
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<?php
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/**
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* @file src/Module/Inbox.php
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*/
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namespace Friendica\Module;
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use Friendica\BaseModule;
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use Friendica\Database\DBA;
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use Friendica\Model\Contact;
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use Friendica\Util\HTTPSignature;
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use Friendica\Util\Network;
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/**
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* ActivityPub Inbox
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*/
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class Inbox extends BaseModule
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{
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public static function init()
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{
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$a = self::getApp();
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logger('Blubb: init 1');
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$postdata = file_get_contents('php://input');
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$obj = json_decode($postdata);
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if (empty($obj)) {
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exit();
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}
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$tempfile = tempnam(get_temppath(), 'activitypub');
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file_put_contents($tempfile, json_encode(['header' => $_SERVER, 'body' => $obj]));
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logger('Blubb: init ' . $tempfile);
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exit();
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// goaway($dest);
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}
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public static function post()
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{
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$a = self::getApp();
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logger('Blubb: post');
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exit();
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// goaway($dest);
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}
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}
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<?php
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/**
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* @file src/Protocol/ActivityPub.php
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*/
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namespace Friendica\Protocol;
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use Friendica\Database\DBA;
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use Friendica\Core\System;
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use Friendica\BaseObject;
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use Friendica\Util\Network;
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use Friendica\Util\HTTPSignature;
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use Friendica\Core\Protocol;
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use Friendica\Model\Item;
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use Friendica\Model\User;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Crypto;
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use Friendica\Content\Text\BBCode;
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/**
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* @brief ActivityPub Protocol class
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* The ActivityPub Protocol is a message exchange protocol defined by the W3C.
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* https://www.w3.org/TR/activitypub/
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* https://www.w3.org/TR/activitystreams-core/
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* https://www.w3.org/TR/activitystreams-vocabulary/
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*
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* https://blog.joinmastodon.org/2018/06/how-to-implement-a-basic-activitypub-server/
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* https://blog.joinmastodon.org/2018/07/how-to-make-friends-and-verify-requests/
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*/
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class ActivityPub
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{
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const PUBLIC = 'https://www.w3.org/ns/activitystreams#Public';
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public static function transmit($content, $target, $uid)
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{
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$owner = User::getOwnerDataById($uid);
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if (!$owner) {
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return;
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}
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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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$date = date('r');
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$headers = ['Host: ' . $host, 'Date: ' . $date];
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$signed_data = "(request-target): post " . $path . "\nhost: " . $host . "\ndate: " . $date;
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$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[] = 'Content-Type: application/activity+json';
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//print_r($headers);
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//die($signed_data);
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//$headers = [];
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// $headers = HTTPSignature::createSig('', $headers, $owner['uprvkey'], $owner['url'] . '#main-key', false, false, 'sha256');
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Network::post($target, $content, $headers);
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$return_code = BaseObject::getApp()->get_curl_code();
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echo $return_code."\n";
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print_r(BaseObject::getApp()->get_curl_headers());
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print_r($headers);
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}
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/**
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* Return the ActivityPub profile of the given user
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*
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* @param integer $uid User ID
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* @return array
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*/
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public static function profile($uid)
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{
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$accounttype = ['Person', 'Organization', 'Service', 'Group', 'Application'];
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$condition = ['uid' => $uid, 'blocked' => false, 'account_expired' => false,
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'account_removed' => false, 'verified' => true];
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$fields = ['guid', 'nickname', 'pubkey', 'account-type'];
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$user = DBA::selectFirst('user', $fields, $condition);
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if (!DBA::isResult($user)) {
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return [];
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}
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$fields = ['locality', 'region', 'country-name'];
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$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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}
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$fields = ['name', 'url', 'location', 'about', 'avatar'];
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$contact = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]);
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if (!DBA::isResult($contact)) {
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return [];
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}
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$data = ['@context' => ['https://www.w3.org/ns/activitystreams', 'https://w3id.org/security/v1',
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['uuid' => 'http://schema.org/identifier', 'sensitive' => 'as:sensitive',
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'vcard' => 'http://www.w3.org/2006/vcard/ns#']]];
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$data['id'] = $contact['url'];
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$data['uuid'] = $user['guid'];
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$data['type'] = $accounttype[$user['account-type']];
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$data['following'] = System::baseUrl() . '/following/' . $user['nickname'];
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$data['followers'] = System::baseUrl() . '/followers/' . $user['nickname'];
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$data['inbox'] = System::baseUrl() . '/inbox/' . $user['nickname'];
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$data['outbox'] = System::baseUrl() . '/outbox/' . $user['nickname'];
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$data['preferredUsername'] = $user['nickname'];
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$data['name'] = $contact['name'];
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$data['vcard:hasAddress'] = ['@type' => 'Home', 'vcard:country-name' => $profile['country-name'],
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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;
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$data['publicKey'] = ['id' => $contact['url'] . '#main-key',
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'owner' => $contact['url'],
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'publicKeyPem' => $user['pubkey']];
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$data['endpoints'] = ['sharedInbox' => System::baseUrl() . '/inbox'];
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$data['icon'] = ['type' => 'Image',
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'url' => $contact['avatar']];
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// tags: https://kitty.town/@inmysocks/100656097926961126.json
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return $data;
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}
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public static function createActivityFromItem($item_id)
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{
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$item = Item::selectFirst([], ['id' => $item_id]);
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$data = ['@context' => ['https://www.w3.org/ns/activitystreams', 'https://w3id.org/security/v1',
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['Emoji' => 'toot:Emoji', 'Hashtag' => 'as:Hashtag', 'atomUri' => 'ostatus:atomUri',
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'conversation' => 'ostatus:conversation', 'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri',
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'ostatus' => 'http://ostatus.org#', 'sensitive' => 'as:sensitive',
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'toot' => 'http://joinmastodon.org/ns#']]];
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$data['type'] = 'Create';
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$data['id'] = $item['plink'];
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$data['actor'] = $item['author-link'];
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$data['to'] = 'https://www.w3.org/ns/activitystreams#Public';
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$data['object'] = self::createNote($item);
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// print_r($data);
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// print_r($item);
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return $data;
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}
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public static function createNote($item)
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{
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$data = [];
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$data['type'] = 'Note';
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$data['id'] = $item['plink'];
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//$data['context'] = $data['conversation'] = $item['parent-uri'];
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$data['actor'] = $item['author-link'];
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// if (!$item['private']) {
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// $data['to'] = [];
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// $data['to'][] = '"https://pleroma.soykaf.com/users/heluecht"';
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$data['to'] = 'https://www.w3.org/ns/activitystreams#Public';
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// $data['cc'] = 'https://pleroma.soykaf.com/users/heluecht';
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// }
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$data['published'] = DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM);
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$data['updated'] = DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM);
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$data['attributedTo'] = $item['author-link'];
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$data['title'] = BBCode::convert($item['title'], false, 7);
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$data['content'] = BBCode::convert($item['body'], false, 7);
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//$data['summary'] = '';
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//$data['sensitive'] = false;
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//$data['emoji'] = [];
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//$data['tag'] = [];
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//$data['attachment'] = [];
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return $data;
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}
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/**
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* Fetches ActivityPub content from the given url
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*
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* @param string $url content url
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* @return array
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*/
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public static function fetchContent($url)
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{
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$ret = Network::curl($url, false, $redirects, ['accept_content' => 'application/activity+json']);
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if (!$ret['success'] || empty($ret['body'])) {
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return;
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}
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return json_decode($ret['body'], true);
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}
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/**
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* Resolves the profile url from the address by using webfinger
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*
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* @param string $addr profile address (user@domain.tld)
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* @return string url
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*/
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private static function addrToUrl($addr)
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{
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$addr_parts = explode('@', $addr);
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if (count($addr_parts) != 2) {
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return false;
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}
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$webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
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$ret = Network::curl($webfinger, false, $redirects, ['accept_content' => 'application/jrd+json,application/json']);
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if (!$ret['success'] || empty($ret['body'])) {
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return false;
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}
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$data = json_decode($ret['body'], true);
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if (empty($data['links'])) {
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return false;
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}
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foreach ($data['links'] as $link) {
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if (empty($link['href']) || empty($link['rel']) || empty($link['type'])) {
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continue;
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}
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if (($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
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return $link['href'];
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}
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}
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return false;
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}
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/**
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* Fetches a profile from the given url
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*
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* @param string $url profile url
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* @return array
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*/
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public static function fetchProfile($url)
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{
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if (empty(parse_url($url, PHP_URL_SCHEME))) {
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$url = self::addrToUrl($url);
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if (empty($url)) {
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return false;
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}
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}
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$data = self::fetchContent($url);
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if (empty($data) || empty($data['id']) || empty($data['inbox'])) {
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return false;
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}
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$profile = ['network' => Protocol::ACTIVITYPUB];
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$profile['nick'] = $data['preferredUsername'];
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$profile['name'] = defaults($data, 'name', $profile['nick']);
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$profile['guid'] = defaults($data, 'uuid', null);
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$profile['url'] = $data['id'];
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$profile['alias'] = self::processElement($data, 'url', 'href');
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$parts = parse_url($profile['url']);
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unset($parts['scheme']);
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unset($parts['path']);
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$profile['addr'] = $profile['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
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$profile['photo'] = self::processElement($data, 'icon', 'url');
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$profile['about'] = defaults($data, 'summary', '');
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$profile['batch'] = self::processElement($data, 'endpoints', 'sharedInbox');
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$profile['pubkey'] = self::processElement($data, 'publicKey', 'publicKeyPem');
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$profile['notify'] = $data['inbox'];
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$profile['poll'] = $data['outbox'];
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// Check if the address is resolvable
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if (self::addrToUrl($profile['addr']) == $profile['url']) {
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$parts = parse_url($profile['url']);
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unset($parts['path']);
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$profile['baseurl'] = Network::unparseURL($parts);
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} else {
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unset($profile['addr']);
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}
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if ($profile['url'] == $profile['alias']) {
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unset($profile['alias']);
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}
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// Remove all "null" fields
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foreach ($profile as $field => $content) {
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if (is_null($content)) {
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unset($profile[$field]);
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}
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}
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// Handled
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unset($data['id']);
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unset($data['inbox']);
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unset($data['outbox']);
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unset($data['preferredUsername']);
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unset($data['name']);
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unset($data['summary']);
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unset($data['url']);
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unset($data['publicKey']);
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unset($data['endpoints']);
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unset($data['icon']);
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unset($data['uuid']);
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// To-Do
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unset($data['type']);
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unset($data['manuallyApprovesFollowers']);
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// Unhandled
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unset($data['@context']);
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unset($data['tag']);
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unset($data['attachment']);
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unset($data['image']);
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unset($data['nomadicLocations']);
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unset($data['signature']);
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unset($data['following']);
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unset($data['followers']);
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unset($data['featured']);
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unset($data['movedTo']);
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unset($data['liked']);
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unset($data['sharedInbox']); // Misskey
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unset($data['isCat']); // Misskey
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unset($data['kroeg:blocks']); // Kroeg
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unset($data['updated']); // Kroeg
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/* if (!empty($data)) {
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print_r($data);
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die();
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}
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*/
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return $profile;
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}
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public static function fetchOutbox($url)
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{
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$data = self::fetchContent($url);
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if (empty($data)) {
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return;
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}
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if (!empty($data['orderedItems'])) {
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$items = $data['orderedItems'];
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} elseif (!empty($data['first']['orderedItems'])) {
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$items = $data['first']['orderedItems'];
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} elseif (!empty($data['first'])) {
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self::fetchOutbox($data['first']);
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return;
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} else {
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$items = [];
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}
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foreach ($items as $activity) {
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self::processActivity($activity, $url);
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}
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}
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function processActivity($activity, $url)
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{
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if (empty($activity['type'])) {
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return;
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}
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if (empty($activity['object'])) {
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return;
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}
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if (empty($activity['actor'])) {
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return;
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}
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$actor = self::processElement($activity, 'actor', 'id');
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if (empty($actor)) {
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return;
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}
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if (is_string($activity['object'])) {
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$object_url = $activity['object'];
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} elseif (!empty($activity['object']['id'])) {
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$object_url = $activity['object']['id'];
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} else {
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return;
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}
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$receivers = self::getReceivers($activity);
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if (empty($receivers)) {
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return;
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}
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// ----------------------------------
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// unhandled
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unset($activity['@context']);
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unset($activity['id']);
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// Non standard
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unset($activity['title']);
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unset($activity['atomUri']);
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unset($activity['context_id']);
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unset($activity['statusnetConversationId']);
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$structure = $activity;
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// To-Do?
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unset($activity['context']);
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unset($activity['location']);
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// handled
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unset($activity['to']);
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unset($activity['cc']);
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unset($activity['bto']);
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unset($activity['bcc']);
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unset($activity['type']);
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unset($activity['actor']);
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unset($activity['object']);
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unset($activity['published']);
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unset($activity['updated']);
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unset($activity['instrument']);
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unset($activity['inReplyTo']);
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if (!empty($activity)) {
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echo "Activity\n";
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print_r($activity);
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die($url."\n");
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}
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$activity = $structure;
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// ----------------------------------
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$item = self::fetchObject($object_url, $url);
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if (empty($item)) {
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return;
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}
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$item = self::addActivityFields($item, $activity);
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$item['owner'] = $actor;
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$item['receiver'] = array_merge($item['receiver'], $receivers);
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switch ($activity['type']) {
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case 'Create':
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case 'Update':
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self::createItem($item);
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break;
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case 'Announce':
|
||||
self::announceItem($item);
|
||||
break;
|
||||
|
||||
case 'Like':
|
||||
case 'Dislike':
|
||||
self::activityItem($item);
|
||||
break;
|
||||
|
||||
case 'Follow':
|
||||
break;
|
||||
|
||||
default:
|
||||
echo "Unknown activity: ".$activity['type']."\n";
|
||||
print_r($item);
|
||||
die();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
private static function getReceivers($activity)
|
||||
{
|
||||
$receivers = [];
|
||||
|
||||
$elements = ['to', 'cc', 'bto', 'bcc'];
|
||||
foreach ($elements as $element) {
|
||||
if (empty($activity[$element])) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// The receiver can be an arror or a string
|
||||
if (is_string($activity[$element])) {
|
||||
$activity[$element] = [$activity[$element]];
|
||||
}
|
||||
|
||||
foreach ($activity[$element] as $receiver) {
|
||||
if ($receiver == self::PUBLIC) {
|
||||
$receivers[$receiver] = 0;
|
||||
}
|
||||
|
||||
$condition = ['self' => true, 'nurl' => normalise_link($receiver)];
|
||||
$contact = DBA::selectFirst('contact', ['id'], $condition);
|
||||
if (!DBA::isResult($contact)) {
|
||||
continue;
|
||||
}
|
||||
$receivers[$receiver] = $contact['id'];
|
||||
}
|
||||
}
|
||||
return $receivers;
|
||||
}
|
||||
|
||||
private static function addActivityFields($item, $activity)
|
||||
{
|
||||
if (!empty($activity['published']) && empty($item['published'])) {
|
||||
$item['published'] = $activity['published'];
|
||||
}
|
||||
|
||||
if (!empty($activity['updated']) && empty($item['updated'])) {
|
||||
$item['updated'] = $activity['updated'];
|
||||
}
|
||||
|
||||
if (!empty($activity['inReplyTo']) && empty($item['parent-uri'])) {
|
||||
$item['parent-uri'] = self::processElement($activity, 'inReplyTo', 'id');
|
||||
}
|
||||
|
||||
if (!empty($activity['instrument'])) {
|
||||
$item['service'] = self::processElement($activity, 'instrument', 'name', 'Service');
|
||||
}
|
||||
|
||||
// Remove all "null" fields
|
||||
foreach ($item as $field => $content) {
|
||||
if (is_null($content)) {
|
||||
unset($item[$field]);
|
||||
}
|
||||
}
|
||||
|
||||
return $item;
|
||||
}
|
||||
|
||||
private static function fetchObject($object_url, $url)
|
||||
{
|
||||
$data = self::fetchContent($object_url);
|
||||
if (empty($data)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (empty($data['type'])) {
|
||||
return false;
|
||||
} else {
|
||||
$type = $data['type'];
|
||||
}
|
||||
|
||||
if (in_array($type, ['Note', 'Article', 'Video'])) {
|
||||
$common = self::processCommonData($data, $url);
|
||||
}
|
||||
|
||||
switch ($type) {
|
||||
case 'Note':
|
||||
return array_merge($common, self::processNote($data, $url));
|
||||
case 'Article':
|
||||
return array_merge($common, self::processArticle($data, $url));
|
||||
case 'Video':
|
||||
return array_merge($common, self::processVideo($data, $url));
|
||||
|
||||
case 'Announce':
|
||||
if (empty($data['object'])) {
|
||||
return false;
|
||||
}
|
||||
return self::fetchObject($data['object'], $url);
|
||||
|
||||
case 'Person':
|
||||
case 'Tombstone':
|
||||
break;
|
||||
|
||||
default:
|
||||
echo "Unknown object type: ".$data['type']."\n";
|
||||
print_r($data);
|
||||
die($url."\n");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
private static function processCommonData(&$object, $url)
|
||||
{
|
||||
if (empty($object['id']) || empty($object['attributedTo'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$item = [];
|
||||
$item['uri'] = $object['id'];
|
||||
|
||||
if (!empty($object['inReplyTo'])) {
|
||||
$item['reply-to-uri'] = self::processElement($object, 'inReplyTo', 'id');
|
||||
} else {
|
||||
$item['reply-to-uri'] = $item['uri'];
|
||||
}
|
||||
|
||||
$item['published'] = defaults($object, 'published', null);
|
||||
$item['updated'] = defaults($object, 'updated', $item['published']);
|
||||
|
||||
if (empty($item['published']) && !empty($item['updated'])) {
|
||||
$item['published'] = $item['updated'];
|
||||
}
|
||||
|
||||
$item['uuid'] = defaults($object, 'uuid', null);
|
||||
$item['owner'] = $item['author'] = self::processElement($object, 'attributedTo', 'id');
|
||||
$item['context'] = defaults($object, 'context', null);
|
||||
$item['conversation'] = defaults($object, 'conversation', null);
|
||||
$item['sensitive'] = defaults($object, 'sensitive', null);
|
||||
$item['name'] = defaults($object, 'name', null);
|
||||
$item['title'] = defaults($object, 'title', null);
|
||||
$item['content'] = defaults($object, 'content', null);
|
||||
$item['summary'] = defaults($object, 'summary', null);
|
||||
$item['location'] = self::processElement($object, 'location', 'name', 'Place');
|
||||
$item['attachments'] = defaults($object, 'attachment', null);
|
||||
$item['tags'] = defaults($object, 'tag', null);
|
||||
$item['service'] = self::processElement($object, 'instrument', 'name', 'Service');
|
||||
$item['alternate-url'] = self::processElement($object, 'url', 'href');
|
||||
$item['receiver'] = self::getReceivers($object);
|
||||
|
||||
// handled
|
||||
unset($object['id']);
|
||||
unset($object['inReplyTo']);
|
||||
unset($object['published']);
|
||||
unset($object['updated']);
|
||||
unset($object['uuid']);
|
||||
unset($object['attributedTo']);
|
||||
unset($object['context']);
|
||||
unset($object['conversation']);
|
||||
unset($object['sensitive']);
|
||||
unset($object['name']);
|
||||
unset($object['title']);
|
||||
unset($object['content']);
|
||||
unset($object['summary']);
|
||||
unset($object['location']);
|
||||
unset($object['attachment']);
|
||||
unset($object['tag']);
|
||||
unset($object['instrument']);
|
||||
unset($object['url']);
|
||||
unset($object['to']);
|
||||
unset($object['cc']);
|
||||
unset($object['bto']);
|
||||
unset($object['bcc']);
|
||||
|
||||
// To-Do
|
||||
unset($object['source']);
|
||||
|
||||
// Unhandled
|
||||
unset($object['@context']);
|
||||
unset($object['type']);
|
||||
unset($object['actor']);
|
||||
unset($object['signature']);
|
||||
unset($object['mediaType']);
|
||||
unset($object['duration']);
|
||||
unset($object['replies']);
|
||||
unset($object['icon']);
|
||||
|
||||
/*
|
||||
audience, preview, endTime, startTime, generator, image
|
||||
*/
|
||||
|
||||
return $item;
|
||||
}
|
||||
|
||||
private static function processNote($object, $url)
|
||||
{
|
||||
$item = [];
|
||||
|
||||
// To-Do?
|
||||
unset($object['emoji']);
|
||||
unset($object['atomUri']);
|
||||
unset($object['inReplyToAtomUri']);
|
||||
|
||||
// Unhandled
|
||||
unset($object['contentMap']);
|
||||
unset($object['announcement_count']);
|
||||
unset($object['announcements']);
|
||||
unset($object['context_id']);
|
||||
unset($object['likes']);
|
||||
unset($object['like_count']);
|
||||
unset($object['inReplyToStatusId']);
|
||||
unset($object['shares']);
|
||||
unset($object['quoteUrl']);
|
||||
unset($object['statusnetConversationId']);
|
||||
|
||||
if (empty($object))
|
||||
return $item;
|
||||
|
||||
echo "Unknown Note\n";
|
||||
print_r($object);
|
||||
print_r($item);
|
||||
die($url."\n");
|
||||
|
||||
return [];
|
||||
}
|
||||
|
||||
private static function processArticle($object, $url)
|
||||
{
|
||||
$item = [];
|
||||
|
||||
if (empty($object))
|
||||
return $item;
|
||||
|
||||
echo "Unknown Article\n";
|
||||
print_r($object);
|
||||
print_r($item);
|
||||
die($url."\n");
|
||||
|
||||
return [];
|
||||
}
|
||||
|
||||
private static function processVideo($object, $url)
|
||||
{
|
||||
$item = [];
|
||||
|
||||
// To-Do?
|
||||
unset($object['category']);
|
||||
unset($object['licence']);
|
||||
unset($object['language']);
|
||||
unset($object['commentsEnabled']);
|
||||
|
||||
// Unhandled
|
||||
unset($object['views']);
|
||||
unset($object['waitTranscoding']);
|
||||
unset($object['state']);
|
||||
unset($object['support']);
|
||||
unset($object['subtitleLanguage']);
|
||||
unset($object['likes']);
|
||||
unset($object['dislikes']);
|
||||
unset($object['shares']);
|
||||
unset($object['comments']);
|
||||
|
||||
if (empty($object))
|
||||
return $item;
|
||||
|
||||
echo "Unknown Video\n";
|
||||
print_r($object);
|
||||
print_r($item);
|
||||
die($url."\n");
|
||||
|
||||
return [];
|
||||
}
|
||||
|
||||
private static function processElement($array, $element, $key, $type = null)
|
||||
{
|
||||
if (empty($array)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (empty($array[$element])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (is_string($array[$element])) {
|
||||
return $array[$element];
|
||||
}
|
||||
|
||||
if (is_null($type)) {
|
||||
if (!empty($array[$element][$key])) {
|
||||
return $array[$element][$key];
|
||||
}
|
||||
|
||||
if (!empty($array[$element][0][$key])) {
|
||||
return $array[$element][0][$key];
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!empty($array[$element][$key]) && !empty($array[$element]['type']) && ($array[$element]['type'] == $type)) {
|
||||
return $array[$element][$key];
|
||||
}
|
||||
|
||||
/// @todo Add array search
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
private static function createItem($item)
|
||||
{
|
||||
// print_r($item);
|
||||
}
|
||||
|
||||
private static function announceItem($item)
|
||||
{
|
||||
// print_r($item);
|
||||
}
|
||||
|
||||
private static function activityItem($item)
|
||||
{
|
||||
// print_r($item);
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue