Improve update_activitypub_profiles.php daemon

Add sanity case to ensure public key method of rsa class

classes/Activitypub_profile.php

@@ -413,4 +413,57 @@ class Activitypub_profile extends Managed_DataObject
         // TRANS: Exception. %s is a webfinger address.
         throw new Exception(sprintf(_m('Could not find a valid profile for "%s".'), $addr));
     }
+
+    /**
+     * Update remote user profile in local instance
+     * Depends on do_update
+     *
+     * @author Diogo Cordeiro <diogo@fc.up.pt>
+     * @param array $res remote response
+     * @return Profile remote Profile object
+     */
+    public static function update_profile($aprofile, $res)
+    {
+        // ActivityPub Profile
+        $aprofile->uri            = $res['id'];
+        $aprofile->nickname       = $res['preferredUsername'];
+        $aprofile->fullname       = isset($res['name']) ? $res['name'] : null;
+        $aprofile->bio            = isset($res['summary']) ? substr(strip_tags($res['summary']), 0, 1000) : null;
+        $aprofile->inboxuri       = $res['inbox'];
+        $aprofile->sharedInboxuri = isset($res['endpoints']['sharedInbox']) ? $res['endpoints']['sharedInbox'] : $res['inbox'];
+
+        $profile = $aprofile->local_profile();
+
+        $profile->modified = $aprofile->modified = common_sql_now();
+
+        $fields = [
+                    'uri'      => 'profileurl',
+                    'nickname' => 'nickname',
+                    'fullname' => 'fullname',
+                    'bio'      => 'bio'
+                    ];
+
+        foreach ($fields as $af => $pf) {
+            $profile->$pf = $aprofile->$af;
+        }
+
+        // Profile
+        $profile->update();
+        $aprofile->update();
+
+        // Public Key
+        Activitypub_rsa::update_public_key($profile, $res['publicKey']['publicKeyPem']);
+
+        // Avatar
+        if (isset($res['icon']['url'])) {
+            try {
+                Activitypub_explorer::update_avatar($profile, $res['icon']['url']);
+            } catch (Exception $e) {
+                // Let the exception go, it isn't a serious issue
+                common_debug('An error ocurred while grabbing remote avatar'.$e->getMessage());
+            }
+        }
+
+        return $profile;
+    }
 }