X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FProtocol%2FActivityPub.php;h=5306c27d3c6fb65b7c6737edbf0590e540046e47;hb=62217735f041ceb447ccda8fd4e3b77624a9f482;hp=0af8ee5e3545a157c96178eeb8455150eadefe10;hpb=a066befba547c5b5a56b945883eda6bf32030697;p=friendica.git diff --git a/src/Protocol/ActivityPub.php b/src/Protocol/ActivityPub.php index 0af8ee5e35..5306c27d3c 100644 --- a/src/Protocol/ActivityPub.php +++ b/src/Protocol/ActivityPub.php @@ -1,15 +1,36 @@ . + * */ + namespace Friendica\Protocol; +use Friendica\Util\JsonLD; use Friendica\Util\Network; use Friendica\Core\Protocol; use Friendica\Model\APContact; +use Friendica\Model\User; +use Friendica\Util\HTTPSignature; /** - * @brief ActivityPub Protocol class + * ActivityPub Protocol class + * * The ActivityPub Protocol is a message exchange protocol defined by the W3C. * https://www.w3.org/TR/activitypub/ * https://www.w3.org/TR/activitystreams-core/ @@ -29,52 +50,100 @@ use Friendica\Model\APContact; * * To-do: * - Polling the outboxes for missing content? + * + * Missing parts from DFRN: + * - Public Forum + * - Private Forum + * - Relocation */ class ActivityPub { const PUBLIC_COLLECTION = 'https://www.w3.org/ns/activitystreams#Public'; const CONTEXT = ['https://www.w3.org/ns/activitystreams', 'https://w3id.org/security/v1', ['vcard' => 'http://www.w3.org/2006/vcard/ns#', + 'dfrn' => 'http://purl.org/macgirvin/dfrn/1.0/', 'diaspora' => 'https://diasporafoundation.org/ns/', + 'litepub' => 'http://litepub.social/ns#', 'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers', - 'sensitive' => 'as:sensitive', 'Hashtag' => 'as:Hashtag']]; + 'sensitive' => 'as:sensitive', 'Hashtag' => 'as:Hashtag', + 'directMessage' => 'litepub:directMessage']]; const ACCOUNT_TYPES = ['Person', 'Organization', 'Service', 'Group', 'Application']; /** * Checks if the web request is done for the AP protocol * - * @return is it AP? + * @return bool is it AP? */ public static function isRequest() { - return stristr(defaults($_SERVER, 'HTTP_ACCEPT', ''), 'application/activity+json') || - stristr(defaults($_SERVER, 'HTTP_ACCEPT', ''), 'application/ld+json'); + return stristr($_SERVER['HTTP_ACCEPT'] ?? '', 'application/activity+json') || + stristr($_SERVER['HTTP_ACCEPT'] ?? '', 'application/ld+json'); } /** * Fetches ActivityPub content from the given url * - * @param string $url content url + * @param string $url content url + * @param integer $uid User ID for the signature * @return array + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ - public static function fetchContent($url) + public static function fetchContent($url, $uid = 0) { - $curlResult = Network::curl($url, false, $redirects, ['accept_content' => 'application/activity+json, application/ld+json']); + if (!empty($uid)) { + return HTTPSignature::fetch($url, $uid); + } + + $curlResult = Network::curl($url, false, ['accept_content' => 'application/activity+json, application/ld+json']); if (!$curlResult->isSuccess() || empty($curlResult->getBody())) { return false; } - return json_decode($curlResult->getBody(), true); + $content = json_decode($curlResult->getBody(), true); + + if (empty($content) || !is_array($content)) { + return false; + } + + return $content; + } + + private static function getAccountType($apcontact) + { + $accounttype = -1; + + switch($apcontact['type']) { + case 'Person': + $accounttype = User::ACCOUNT_TYPE_PERSON; + break; + case 'Organization': + $accounttype = User::ACCOUNT_TYPE_ORGANISATION; + break; + case 'Service': + $accounttype = User::ACCOUNT_TYPE_NEWS; + break; + case 'Group': + $accounttype = User::ACCOUNT_TYPE_COMMUNITY; + break; + case 'Application': + $accounttype = User::ACCOUNT_TYPE_RELAY; + break; + } + + return $accounttype; } /** * Fetches a profile from the given url into an array that is compatible to Probe::uri * - * @param string $url profile url + * @param string $url profile url + * @param boolean $update Update the profile * @return array + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ - public static function probeProfile($url) + public static function probeProfile($url, $update = true) { - $apcontact = APContact::getByURL($url, true); + $apcontact = APContact::getByURL($url, $update); if (empty($apcontact)) { return false; } @@ -86,8 +155,14 @@ class ActivityPub $profile['url'] = $apcontact['url']; $profile['addr'] = $apcontact['addr']; $profile['alias'] = $apcontact['alias']; + $profile['following'] = $apcontact['following']; + $profile['followers'] = $apcontact['followers']; + $profile['inbox'] = $apcontact['inbox']; + $profile['outbox'] = $apcontact['outbox']; + $profile['sharedinbox'] = $apcontact['sharedinbox']; $profile['photo'] = $apcontact['photo']; - // $profile['community'] + $profile['account-type'] = self::getAccountType($apcontact); + $profile['community'] = ($profile['account-type'] == User::ACCOUNT_TYPE_COMMUNITY); // $profile['keywords'] // $profile['location'] $profile['about'] = $apcontact['about']; @@ -95,7 +170,9 @@ class ActivityPub $profile['notify'] = $apcontact['inbox']; $profile['poll'] = $apcontact['outbox']; $profile['pubkey'] = $apcontact['pubkey']; + $profile['subscribe'] = $apcontact['subscribe']; $profile['baseurl'] = $apcontact['baseurl']; + $profile['gsid'] = $apcontact['gsid']; // Remove all "null" fields foreach ($profile as $field => $content) { @@ -110,12 +187,13 @@ class ActivityPub /** * Fetches activities from the outbox of a given profile and processes it * - * @param string $url + * @param string $url * @param integer $uid User ID + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function fetchOutbox($url, $uid) { - $data = self::fetchContent($url); + $data = self::fetchContent($url, $uid); if (empty($data)) { return; } @@ -136,4 +214,49 @@ class ActivityPub ActivityPub\Receiver::processActivity($ldactivity, '', $uid, true); } } + + /** + * Fetch items from AP endpoints + * + * @param string $url Address of the endpoint + * @param integer $uid Optional user id + * @return array Endpoint items + */ + public static function fetchItems(string $url, int $uid = 0) + { + $data = self::fetchContent($url, $uid); + if (empty($data)) { + return []; + } + + if (!empty($data['orderedItems'])) { + $items = $data['orderedItems']; + } elseif (!empty($data['first']['orderedItems'])) { + $items = $data['first']['orderedItems']; + } elseif (!empty($data['first']) && is_string($data['first']) && ($data['first'] != $url)) { + return self::fetchItems($data['first'], $uid); + } else { + return []; + } + + if (!empty($data['next']) && is_string($data['next'])) { + $items = array_merge($items, self::fetchItems($data['next'], $uid)); + } + + return $items; + } + + /** + * Checks if the given contact url does support ActivityPub + * + * @param string $url profile url + * @param boolean $update true = always update, false = never update, null = update when not found or outdated + * @return boolean + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException + */ + public static function isSupportedByContactUrl($url, $update = null) + { + return !empty(APContact::getByURL($url, $update)); + } }