From 0a5476591d99af6155dff047795a06da6eb9fc62 Mon Sep 17 00:00:00 2001 From: Michael Date: Mon, 10 Sep 2018 21:07:25 +0000 Subject: [PATCH] Activitity pub - first commit with much test code --- src/Module/Inbox.php | 47 +++ src/Protocol/ActivityPub.php | 772 +++++++++++++++++++++++++++++++++++ 2 files changed, 819 insertions(+) create mode 100644 src/Module/Inbox.php create mode 100644 src/Protocol/ActivityPub.php diff --git a/src/Module/Inbox.php b/src/Module/Inbox.php new file mode 100644 index 000000000..86fdae7c9 --- /dev/null +++ b/src/Module/Inbox.php @@ -0,0 +1,47 @@ + $_SERVER, 'body' => $obj])); + + logger('Blubb: init ' . $tempfile); + exit(); +// goaway($dest); + } + + public static function post() + { + $a = self::getApp(); + + logger('Blubb: post'); + exit(); +// goaway($dest); + } +} diff --git a/src/Protocol/ActivityPub.php b/src/Protocol/ActivityPub.php new file mode 100644 index 000000000..f1d885b6c --- /dev/null +++ b/src/Protocol/ActivityPub.php @@ -0,0 +1,772 @@ +get_curl_code(); +echo $return_code."\n"; + print_r(BaseObject::getApp()->get_curl_headers()); + print_r($headers); + } + + /** + * Return the ActivityPub profile of the given user + * + * @param integer $uid User ID + * @return array + */ + public static function profile($uid) + { + $accounttype = ['Person', 'Organization', 'Service', 'Group', 'Application']; + + $condition = ['uid' => $uid, 'blocked' => false, 'account_expired' => false, + 'account_removed' => false, 'verified' => true]; + $fields = ['guid', 'nickname', 'pubkey', 'account-type']; + $user = DBA::selectFirst('user', $fields, $condition); + if (!DBA::isResult($user)) { + return []; + } + + $fields = ['locality', 'region', 'country-name']; + $profile = DBA::selectFirst('profile', $fields, ['uid' => $uid, 'is-default' => true]); + if (!DBA::isResult($profile)) { + return []; + } + + $fields = ['name', 'url', 'location', 'about', 'avatar']; + $contact = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]); + if (!DBA::isResult($contact)) { + return []; + } + + $data = ['@context' => ['https://www.w3.org/ns/activitystreams', 'https://w3id.org/security/v1', + ['uuid' => 'http://schema.org/identifier', 'sensitive' => 'as:sensitive', + 'vcard' => 'http://www.w3.org/2006/vcard/ns#']]]; + + $data['id'] = $contact['url']; + $data['uuid'] = $user['guid']; + $data['type'] = $accounttype[$user['account-type']]; + $data['following'] = System::baseUrl() . '/following/' . $user['nickname']; + $data['followers'] = System::baseUrl() . '/followers/' . $user['nickname']; + $data['inbox'] = System::baseUrl() . '/inbox/' . $user['nickname']; + $data['outbox'] = System::baseUrl() . '/outbox/' . $user['nickname']; + $data['preferredUsername'] = $user['nickname']; + $data['name'] = $contact['name']; + $data['vcard:hasAddress'] = ['@type' => 'Home', 'vcard:country-name' => $profile['country-name'], + 'vcard:region' => $profile['region'], 'vcard:locality' => $profile['locality']]; + $data['summary'] = $contact['about']; + $data['url'] = $contact['url']; + $data['manuallyApprovesFollowers'] = false; + $data['publicKey'] = ['id' => $contact['url'] . '#main-key', + 'owner' => $contact['url'], + 'publicKeyPem' => $user['pubkey']]; + $data['endpoints'] = ['sharedInbox' => System::baseUrl() . '/inbox']; + $data['icon'] = ['type' => 'Image', + 'url' => $contact['avatar']]; + + // tags: https://kitty.town/@inmysocks/100656097926961126.json + return $data; + } + + public static function createActivityFromItem($item_id) + { + $item = Item::selectFirst([], ['id' => $item_id]); + + $data = ['@context' => ['https://www.w3.org/ns/activitystreams', 'https://w3id.org/security/v1', + ['Emoji' => 'toot:Emoji', 'Hashtag' => 'as:Hashtag', 'atomUri' => 'ostatus:atomUri', + 'conversation' => 'ostatus:conversation', 'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri', + 'ostatus' => 'http://ostatus.org#', 'sensitive' => 'as:sensitive', + 'toot' => 'http://joinmastodon.org/ns#']]]; + + $data['type'] = 'Create'; + $data['id'] = $item['plink']; + $data['actor'] = $item['author-link']; + $data['to'] = 'https://www.w3.org/ns/activitystreams#Public'; + $data['object'] = self::createNote($item); +// print_r($data); +// print_r($item); + return $data; + } + + public static function createNote($item) + { + $data = []; + $data['type'] = 'Note'; + $data['id'] = $item['plink']; + //$data['context'] = $data['conversation'] = $item['parent-uri']; + $data['actor'] = $item['author-link']; +// if (!$item['private']) { +// $data['to'] = []; +// $data['to'][] = '"https://pleroma.soykaf.com/users/heluecht"'; + $data['to'] = 'https://www.w3.org/ns/activitystreams#Public'; +// $data['cc'] = 'https://pleroma.soykaf.com/users/heluecht'; +// } + $data['published'] = DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM); + $data['updated'] = DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM); + $data['attributedTo'] = $item['author-link']; + $data['title'] = BBCode::convert($item['title'], false, 7); + $data['content'] = BBCode::convert($item['body'], false, 7); + //$data['summary'] = ''; + //$data['sensitive'] = false; + //$data['emoji'] = []; + //$data['tag'] = []; + //$data['attachment'] = []; + return $data; + } + + /** + * Fetches ActivityPub content from the given url + * + * @param string $url content url + * @return array + */ + public static function fetchContent($url) + { + $ret = Network::curl($url, false, $redirects, ['accept_content' => 'application/activity+json']); + + if (!$ret['success'] || empty($ret['body'])) { + return; + } + + return json_decode($ret['body'], true); + } + + /** + * Resolves the profile url from the address by using webfinger + * + * @param string $addr profile address (user@domain.tld) + * @return string url + */ + private static function addrToUrl($addr) + { + $addr_parts = explode('@', $addr); + if (count($addr_parts) != 2) { + return false; + } + + $webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr); + + $ret = Network::curl($webfinger, false, $redirects, ['accept_content' => 'application/jrd+json,application/json']); + if (!$ret['success'] || empty($ret['body'])) { + return false; + } + + $data = json_decode($ret['body'], true); + + if (empty($data['links'])) { + return false; + } + + foreach ($data['links'] as $link) { + if (empty($link['href']) || empty($link['rel']) || empty($link['type'])) { + continue; + } + + if (($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) { + return $link['href']; + } + } + + return false; + } + + /** + * Fetches a profile from the given url + * + * @param string $url profile url + * @return array + */ + public static function fetchProfile($url) + { + if (empty(parse_url($url, PHP_URL_SCHEME))) { + $url = self::addrToUrl($url); + if (empty($url)) { + return false; + } + } + + $data = self::fetchContent($url); + + if (empty($data) || empty($data['id']) || empty($data['inbox'])) { + return false; + } + + $profile = ['network' => Protocol::ACTIVITYPUB]; + $profile['nick'] = $data['preferredUsername']; + $profile['name'] = defaults($data, 'name', $profile['nick']); + $profile['guid'] = defaults($data, 'uuid', null); + $profile['url'] = $data['id']; + $profile['alias'] = self::processElement($data, 'url', 'href'); + + $parts = parse_url($profile['url']); + unset($parts['scheme']); + unset($parts['path']); + $profile['addr'] = $profile['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts)); + + $profile['photo'] = self::processElement($data, 'icon', 'url'); + $profile['about'] = defaults($data, 'summary', ''); + $profile['batch'] = self::processElement($data, 'endpoints', 'sharedInbox'); + $profile['pubkey'] = self::processElement($data, 'publicKey', 'publicKeyPem'); + $profile['notify'] = $data['inbox']; + $profile['poll'] = $data['outbox']; + + // Check if the address is resolvable + if (self::addrToUrl($profile['addr']) == $profile['url']) { + $parts = parse_url($profile['url']); + unset($parts['path']); + $profile['baseurl'] = Network::unparseURL($parts); + } else { + unset($profile['addr']); + } + + if ($profile['url'] == $profile['alias']) { + unset($profile['alias']); + } + + // Remove all "null" fields + foreach ($profile as $field => $content) { + if (is_null($content)) { + unset($profile[$field]); + } + } + + // Handled + unset($data['id']); + unset($data['inbox']); + unset($data['outbox']); + unset($data['preferredUsername']); + unset($data['name']); + unset($data['summary']); + unset($data['url']); + unset($data['publicKey']); + unset($data['endpoints']); + unset($data['icon']); + unset($data['uuid']); + + // To-Do + unset($data['type']); + unset($data['manuallyApprovesFollowers']); + + // Unhandled + unset($data['@context']); + unset($data['tag']); + unset($data['attachment']); + unset($data['image']); + unset($data['nomadicLocations']); + unset($data['signature']); + unset($data['following']); + unset($data['followers']); + unset($data['featured']); + unset($data['movedTo']); + unset($data['liked']); + unset($data['sharedInbox']); // Misskey + unset($data['isCat']); // Misskey + unset($data['kroeg:blocks']); // Kroeg + unset($data['updated']); // Kroeg + +/* if (!empty($data)) { + print_r($data); + die(); + } +*/ + return $profile; + } + + public static function fetchOutbox($url) + { + $data = self::fetchContent($url); + if (empty($data)) { + return; + } + + if (!empty($data['orderedItems'])) { + $items = $data['orderedItems']; + } elseif (!empty($data['first']['orderedItems'])) { + $items = $data['first']['orderedItems']; + } elseif (!empty($data['first'])) { + self::fetchOutbox($data['first']); + return; + } else { + $items = []; + } + + foreach ($items as $activity) { + self::processActivity($activity, $url); + } + } + + function processActivity($activity, $url) + { + if (empty($activity['type'])) { + return; + } + + if (empty($activity['object'])) { + return; + } + + if (empty($activity['actor'])) { + return; + } + + $actor = self::processElement($activity, 'actor', 'id'); + if (empty($actor)) { + return; + } + + if (is_string($activity['object'])) { + $object_url = $activity['object']; + } elseif (!empty($activity['object']['id'])) { + $object_url = $activity['object']['id']; + } else { + return; + } + + $receivers = self::getReceivers($activity); + if (empty($receivers)) { + return; + } + + // ---------------------------------- + // unhandled + unset($activity['@context']); + unset($activity['id']); + + // Non standard + unset($activity['title']); + unset($activity['atomUri']); + unset($activity['context_id']); + unset($activity['statusnetConversationId']); + + $structure = $activity; + + // To-Do? + unset($activity['context']); + unset($activity['location']); + + // handled + unset($activity['to']); + unset($activity['cc']); + unset($activity['bto']); + unset($activity['bcc']); + unset($activity['type']); + unset($activity['actor']); + unset($activity['object']); + unset($activity['published']); + unset($activity['updated']); + unset($activity['instrument']); + unset($activity['inReplyTo']); + + if (!empty($activity)) { + echo "Activity\n"; + print_r($activity); + die($url."\n"); + } + + $activity = $structure; + // ---------------------------------- + + $item = self::fetchObject($object_url, $url); + if (empty($item)) { + return; + } + + $item = self::addActivityFields($item, $activity); + + $item['owner'] = $actor; + + $item['receiver'] = array_merge($item['receiver'], $receivers); + + switch ($activity['type']) { + case 'Create': + case 'Update': + self::createItem($item); + break; + + case 'Announce': + self::announceItem($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); + } + +}