API: Allow getting profile of own account with just a key

api/actions/profile.php

@@ -6,11 +6,15 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-if (!$database->has("accounts", ["publicid" => $VARS["id"]])) {
-    sendJsonResp($Strings->get("Could not find a matching account.", false), "ERROR");
-}
+if (empty($VARS["id"])) {
+    $profile = $database->get("accounts", ["[>]authkeys" => ["accountid"]], ["publicid", "name", "username", "type", "verified"], ["key" => $VARS["key"]]);
+} else {
+    if (!$database->has("accounts", ["publicid" => $VARS["id"]])) {
+        sendJsonResp($Strings->get("Could not find a matching account.", false), "ERROR");
+    }
 
-$profile = $database->get("accounts", ["publicid", "name", "username", "type", "verified"], ["publicid" => $VARS["id"]]);
+    $profile = $database->get("accounts", ["publicid", "name", "username", "type", "verified"], ["publicid" => $VARS["id"]]);
+}
 
 // Make sure the name field always has something useful
 if (empty($profile["name"])) {

api/apisettings.php

@@ -63,7 +63,7 @@ $APIS = [
         "load" => "profile.php",
         "vars" => [
             "key" => $keyregex,
-            "id" => "/[0-9a-z]+/"
+            "id (optional)" => "/[0-9a-z]+/"
         ]
     ]
 ];