Allow API key to be used instead of password for API

api.php

@@ -19,7 +19,7 @@ header("Content-Type: application/json");
 
 $username = $VARS['username'];
 $password = $VARS['password'];
-if (user_exists($username) !== true || authenticate_user($username, $password, $errmsg) !== true || account_has_permission($username, "QWIKCLOCK") !== true) {
+if (user_exists($username) !== true || (authenticate_user($username, $password, $errmsg) !== true && checkAPIKey($password) !== true) || account_has_permission($username, "QWIKCLOCK") !== true) {
     header("HTTP/1.1 403 Unauthorized");
     die("\"403 Unauthorized\"");
 }
@@ -36,14 +36,14 @@ switch ($VARS['action']) {
         $out = ["status" => "OK", "maxresults" => $max, "pong" => true];
         exit(json_encode($out));
     case "punchin":
-        if ($database->has('punches', ['AND' => ['uid' => $_SESSION['uid'], 'out' => null]])) {
+        if ($database->has('punches', ['AND' => ['uid' => $userinfo['uid'], 'out' => null]])) {
             die(json_encode(["status" => "ERROR", "msg" => lang("already punched in", false)]));
         }
 
         $shiftid = null;
-        if ($database->has('assigned_shifts', ['uid' => $_SESSION['uid']])) {
+        if ($database->has('assigned_shifts', ['uid' => $userinfo['uid']])) {
             $minclockintime = strtotime("now + 5 minutes");
-            $shifts = $database->select('shifts', ["[>]assigned_shifts" => ['shiftid' => 'shiftid']], ["shifts.shiftid", "start", "end", "days"], ["AND" =>['uid' => $_SESSION['uid'], 'start[<=]' => date("H:i:s", $minclockintime)]]);
+            $shifts = $database->select('shifts', ["[>]assigned_shifts" => ['shiftid' => 'shiftid']], ["shifts.shiftid", "start", "end", "days"], ["AND" =>['uid' => $userinfo['uid'], 'start[<=]' => date("H:i:s", $minclockintime)]]);
             foreach ($shifts as $shift) {
                 $curday = substr(date("D"), 0, 2);
                 if (strpos($shift['days'], $curday) === FALSE) {
@@ -61,7 +61,7 @@ switch ($VARS['action']) {
             }
         }
 
-        $database->insert('punches', ['uid' => $_SESSION['uid'], 'in' => date("Y-m-d H:i:s"), 'out' => null, 'notes' => '', 'shiftid' => $shiftid]);
+        $database->insert('punches', ['uid' => $userinfo['uid'], 'in' => date("Y-m-d H:i:s"), 'out' => null, 'notes' => '', 'shiftid' => $shiftid]);
         exit(json_encode(["status" => "OK", "msg" => lang("punched in", false)]));
     case "punchout":
         if (!$database->has('punches', ['AND' => ['uid' => $userinfo['uid'], 'out' => null]])) {

lib/login.php

@@ -40,6 +40,33 @@ function checkLoginServer() {
     }
 }
 
+/**
+ * Checks if the given AccountHub API key is valid by attempting to 
+ * access the API with it.
+ * @param String $key The API key to check
+ * @return boolean TRUE if the key is valid, FALSE if invalid or something went wrong
+ */
+function checkAPIKey($key) {
+    try {
+        $client = new GuzzleHttp\Client();
+
+        $response = $client
+                ->request('POST', PORTAL_API, [
+            'form_params' => [
+                'key' => $key,
+                'action' => "ping"
+            ]
+        ]);
+
+        if ($response->getStatusCode() === 200) {
+            return true;
+        }
+        return false;
+    } catch (Exception $e) {
+        return false;
+    }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 //                           Account handling                                 //
 ////////////////////////////////////////////////////////////////////////////////