Added doxygen data

src/Util/HTTPSignature.php

@@ -26,6 +26,13 @@ use Friendica\Protocol\ActivityPub;
 class HTTPSignature
 {
 	// See draft-cavage-http-signatures-08
+	/**
+	 * @brief Verifies a magic request
+	 *
+	 * @param $key
+	 *
+	 * @return array with verification data
+	 */
 	public static function verifyMagic($key)
 	{
 		$headers   = null;
@@ -262,6 +269,13 @@ class HTTPSignature
 	 * Functions for ActivityPub
 	 */
 
+	/**
+	 * @brief Transmit given data to a target for a user
+	 *
+	 * @param $data
+	 * @param $target
+	 * @param $uid
+	 */
 	public static function transmit($data, $target, $uid)
 	{
 		$owner = User::getOwnerDataById($uid);
@@ -294,6 +308,14 @@ class HTTPSignature
 		logger('Transmit to ' . $target . ' returned ' . $return_code);
 	}
 
+	/**
+	 * @brief Gets a signer from a given HTTP request
+	 *
+	 * @param $content
+	 * @param $http_headers
+	 *
+	 * @return signer string
+	 */
 	public static function getSigner($content, $http_headers)
 	{
 		$object = json_decode($content, true);
@@ -390,6 +412,14 @@ class HTTPSignature
 		return $key['url'];
 	}
 
+	/**
+	 * @brief fetches a key for a given id and actor
+	 *
+	 * @param $id
+	 * @param $actor
+	 *
+	 * @return array with actor url and public key
+	 */
 	private static function fetchKey($id, $actor)
 	{
 		$url = (strpos($id, '#') ? substr($id, 0, strpos($id, '#')) : $id);

src/Util/JsonLD.php

@@ -12,6 +12,13 @@ use digitalbazaar\jsonld as DBJsonLD;
  */
 class JsonLD
 {
+	/**
+	 * @brief Loader for LD-JSON validation
+	 *
+	 * @param $url
+	 *
+	 * @return the loaded data
+	 */
 	public static function documentLoader($url)
 	{
 		$recursion = 0;
@@ -40,6 +47,13 @@ class JsonLD
 		return $data;
 	}
 
+	/**
+	 * @brief Normalises a given JSON array
+	 *
+	 * @param array $json
+	 *
+	 * @return normalized JSON string
+	 */
 	public static function normalize($json)
 	{
 		jsonld_set_document_loader('Friendica\Util\JsonLD::documentLoader');
@@ -49,6 +63,13 @@ class JsonLD
 		return jsonld_normalize($jsonobj, array('algorithm' => 'URDNA2015', 'format' => 'application/nquads'));
 	}
 
+	/**
+	 * @brief Compacts a given JSON array
+	 *
+	 * @param array $json
+	 *
+	 * @return comacted JSON array
+	 */
 	public static function compact($json)
 	{
 		jsonld_set_document_loader('Friendica\Util\JsonLD::documentLoader');
@@ -66,6 +87,17 @@ class JsonLD
 		return json_decode(json_encode($compacted, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE), true);
 	}
 
+	/**
+	 * @brief Fetches an element from a JSON array
+	 *
+	 * @param $array
+	 * @param $element
+	 * @param $key
+	 * @param $type
+	 * @param $type_value
+	 *
+	 * @return fetched element
+	 */
 	public static function fetchElement($array, $element, $key, $type = null, $type_value = null)
 	{
 		if (empty($array)) {