Add ActivityPub related fields to the "uri" function

[friendica.git] / src / Protocol / ActivityPub.php

diff --git a/src/Protocol/ActivityPub.php b/src/Protocol/ActivityPub.php
index b4668e9154d46ef4e6f7ee6245f248bcdd84e21d..6c7bbb4745c488f87bec60b9b421dacf6043f9c8 100644 (file)
--- a/src/Protocol/ActivityPub.php
+++ b/src/Protocol/ActivityPub.php
@@ -4,9 +4,12 @@
  */
 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
@@ -29,20 +32,28 @@ 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()
        {
@@ -53,28 +64,68 @@ class ActivityPub
        /**
         * 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)
        {
-               $ret = Network::curl($url, false, $redirects, ['accept_content' => 'application/activity+json, application/ld+json']);
-               if (!$ret['success'] || empty($ret['body'])) {
+               if (!empty($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;
+               }
+
+               $content = json_decode($curlResult->getBody(), true);
+
+               if (empty($content) || !is_array($content)) {
                        return false;
                }
 
-               return json_decode($ret['body'], true);
+               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 +137,14 @@ 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'];
@@ -110,8 +167,9 @@ 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)
        {