X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FProtocol%2FActivityPub.php;h=9f3d42fbd7b30871940e6bbf691f92c12e30f4e0;hb=f6277970fa4ce219a76b660eed2ebd6a6c7b574b;hp=8992c525b0dafb303c8b578a8bc77df01c9b5e46;hpb=8c07baf54b0d426d3e38d3d01aaeffd9ceb1d8f1;p=friendica.git

diff --git a/src/Protocol/ActivityPub.php b/src/Protocol/ActivityPub.php
index 8992c525b0..9f3d42fbd7 100644
--- a/src/Protocol/ActivityPub.php
+++ b/src/Protocol/ActivityPub.php
@@ -4,17 +4,9 @@
  */
 namespace Friendica\Protocol;
 
-use Friendica\Database\DBA;
-use Friendica\Core\System;
-use Friendica\BaseObject;
 use Friendica\Util\Network;
-use Friendica\Util\HTTPSignature;
 use Friendica\Core\Protocol;
-use Friendica\Model\Item;
-use Friendica\Model\User;
-use Friendica\Util\DateTimeFormat;
-use Friendica\Util\Crypto;
-use Friendica\Content\Text\BBCode;
+use Friendica\Model\APContact;
 
 /**
  * @brief ActivityPub Protocol class
@@ -28,146 +20,33 @@ use Friendica\Content\Text\BBCode;
  *
  * Digest: https://tools.ietf.org/html/rfc5843
  * https://tools.ietf.org/html/draft-cavage-http-signatures-10#ref-15
+ *
+ * Mastodon implementation of supported activities:
+ * https://github.com/tootsuite/mastodon/blob/master/app/lib/activitypub/activity.rb#L26
+ *
+ * To-do:
+ * - Polling the outboxes for missing content?
  */
 class ActivityPub
 {
-	const PUBLIC = 'https://www.w3.org/ns/activitystreams#Public';
-
-	public static function transmit($content, $target, $uid)
-	{
-		$owner = User::getOwnerDataById($uid);
-
-		if (!$owner) {
-			return;
-		}
-
-		$host = parse_url($target, PHP_URL_HOST);
-		$path = parse_url($target, PHP_URL_PATH);
-		$date = date('r');
-
-		$headers = ['Host: ' . $host, 'Date: ' . $date];
-
-		$signed_data = "(request-target): post " . $path . "\nhost: " . $host . "\ndate: " . $date;
-
-		$signature = base64_encode(Crypto::rsaSign($signed_data, $owner['uprvkey'], 'sha256'));
-
-		$headers[] = 'Signature: keyId="' . $owner['url'] . '#main-key' . '",headers="(request-target) host date",signature="' . $signature . '"';
-		$headers[] = 'Content-Type: application/activity+json';
-//print_r($headers);
-//die($signed_data);
-//$headers = [];
-//		$headers = HTTPSignature::createSig('', $headers, $owner['uprvkey'], $owner['url'] . '#main-key', false, false, 'sha256');
-
-		Network::post($target, $content, $headers);
-		$return_code = BaseObject::getApp()->get_curl_code();
-echo $return_code."\n";
-		print_r(BaseObject::getApp()->get_curl_headers());
-		print_r($headers);
-	}
-
+	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#',
+		'diaspora' => 'https://diasporafoundation.org/ns/',
+		'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers',
+		'sensitive' => 'as:sensitive', 'Hashtag' => 'as:Hashtag']];
+	const ACCOUNT_TYPES = ['Person', 'Organization', 'Service', 'Group', 'Application'];
+	const CONTENT_TYPES = ['Note', 'Article', 'Video', 'Image'];
+	const ACTIVITY_TYPES = ['Like', 'Dislike', 'Accept', 'Reject', 'TentativeAccept'];
 	/**
-	 * Return the ActivityPub profile of the given user
+	 * @brief Checks if the web request is done for the AP protocol
 	 *
-	 * @param integer $uid User ID
-	 * @return array
+	 * @return is it AP?
 	 */
-	public static function profile($uid)
+	public static function isRequest()
 	{
-		$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 $data;
+		return stristr(defaults($_SERVER, 'HTTP_ACCEPT', ''), 'application/activity+json') ||
+			stristr(defaults($_SERVER, 'HTTP_ACCEPT', ''), 'application/ld+json');
 	}
 
 	/**
@@ -178,106 +57,44 @@ echo $return_code."\n";
 	 */
 	public static function fetchContent($url)
 	{
-		$ret = Network::curl($url, false, $redirects, ['accept_content' => 'application/activity+json']);
-
+		$ret = Network::curl($url, false, $redirects, ['accept_content' => 'application/activity+json, application/ld+json']);
 		if (!$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 $link['href'];
-			}
-		}
-
-		return false;
+		return json_decode($ret['body'], true);
 	}
 
 	/**
-	 * Fetches a profile from the given url
+	 * Fetches a profile from the given url into an array that is compatible to Probe::uri
 	 *
 	 * @param string $url profile url
 	 * @return array
 	 */
-	public static function fetchProfile($url)
+	public static function probeProfile($url)
 	{
-		if (empty(parse_url($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'])) {
+		$apcontact = APContact::getByURL($url, true);
+		if (empty($apcontact)) {
 			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']);
-		}
+		$profile['nick'] = $apcontact['nick'];
+		$profile['name'] = $apcontact['name'];
+		$profile['guid'] = $apcontact['uuid'];
+		$profile['url'] = $apcontact['url'];
+		$profile['addr'] = $apcontact['addr'];
+		$profile['alias'] = $apcontact['alias'];
+		$profile['photo'] = $apcontact['photo'];
+		// $profile['community']
+		// $profile['keywords']
+		// $profile['location']
+		$profile['about'] = $apcontact['about'];
+		$profile['batch'] = $apcontact['sharedinbox'];
+		$profile['notify'] = $apcontact['inbox'];
+		$profile['poll'] = $apcontact['outbox'];
+		$profile['pubkey'] = $apcontact['pubkey'];
+		$profile['baseurl'] = $apcontact['baseurl'];
 
 		// Remove all "null" fields
 		foreach ($profile as $field => $content) {
@@ -286,49 +103,16 @@ echo $return_code."\n";
 			}
 		}
 
-		// 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)
+	/**
+	 * @brief 
+	 *
+	 * @param $url
+	 * @param integer $uid User ID
+	 */
+	public static function fetchOutbox($url, $uid)
 	{
 		$data = self::fetchContent($url);
 		if (empty($data)) {
@@ -340,436 +124,14 @@ echo $return_code."\n";
 		} elseif (!empty($data['first']['orderedItems'])) {
 			$items = $data['first']['orderedItems'];
 		} elseif (!empty($data['first'])) {
-			self::fetchOutbox($data['first']);
+			self::fetchOutbox($data['first'], $uid);
 			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'] = $item['updated'];
+			ActivityPub\Receiver::processActivity($activity, '', $uid, true);
 		}
-
-		$item['uuid'] = defaults($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);
-	}
-
 }