Initial commit

database/canLoadClient.php

@@ -0,0 +1,36 @@
+<?php
+require __DIR__ . '/../config/general.php';
+require __DIR__ . '/../incl/util.php';
+setPlainHeader();
+
+function isSupportedVersion($version) {
+    global $latestVersion;
+    if (!isset($latestVersion)) require __DIR__ . '/../config/general.php';
+    return $version === $latestVersion || $version === $latestBetaVersion;
+}
+
+function isAllowedVersion($version) {
+    global $allowedVersions;
+    if (!isset($allowedVersions)) require __DIR__ . '/../config/general.php';
+    return in_array($version, $allowedVersions);
+}
+
+function isAllowedDatabaseVersion($version) {
+    global $allowedDatabaseVersions;
+    if (!isset($allowedDatabaseVersions)) require __DIR__ . '/../config/general.php';
+    return in_array($version, $allowedDatabaseVersions);
+}
+
+$clientVersion = $_SERVER['HTTP_CLIENTVERSION'] ?? "0";
+if (($_SERVER['HTTP_REQUESTER'] ?? "0") != "BerryDashClient") {
+    exitWithMessage("-1", false);
+}
+if (isSupportedVersion($clientVersion)) {
+    echo "1";
+} else if (isAllowedVersion($clientVersion)) {
+    echo "3";
+} else if (isAllowedVersion($clientVersion) && isAllowedDatabaseVersion($clientVersion)) {
+    echo "2";
+} else {
+    echo "-1";
+}