initial commit

index.php

@@ -0,0 +1,71 @@
+<?php
+
+require('utils.php');
+require('load_config.php');
+
+function generateHelp($selectedModule) {
+  if (strpos($_SERVER['REQUEST_URI'], '/help') === false) {
+    return;
+  }
+  $additionalHelpPath = './modules/' . $selectedModule . '/' . $selectedModule . '_help.php';
+  if (!file_exists($additionalHelpPath)) {
+    return;
+  }
+  $helpConfig = require($additionalHelpPath);
+
+  echo "<h1>Help for module \"$selectedModule\"</h1>";
+  echo "  <ul>";
+  foreach ($helpConfig['actions'] as $action) {
+    ?>
+    <li><?= $action['name'] ?> <a href="<?= $action['path'] ?>"><?= $action['path'] ?></a></li>
+    <?php
+  }
+  echo "\n  </ul> \n <br>";
+
+  echo $helpConfig['append']() ?? '';
+  exit();
+}
+
+$modules = $config['modules'];
+$selectedModule = null;
+
+foreach ($modules as $key => $module) {
+  if (strpos($_SERVER['HTTP_HOST'], $key . '.') === 0) {
+    $selectedModule = $module;
+    $selectedModule['key'] = $key;
+    break;
+  }
+}
+
+if ($selectedModule === null) {
+  http_response_code(404);
+  echo 'unknown module';
+}
+
+generateHelp($selectedModule['key']);
+
+if (isset($selectedModule['auth']) && $selectedModule['auth']) {
+  if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']))
+  {
+    header("WWW-Authenticate: Basic realm=\"You need to provide user and passwd\"");
+    http_response_code(401);
+    echo "Authentification Required";
+    exit();
+  }
+  $providedUsername = $_SERVER['PHP_AUTH_USER'];
+  $providedPassword = $_SERVER['PHP_AUTH_PW'];
+  $found = false;
+  foreach ($config['auth'] as $username => $password) {
+    if ($username === $providedUsername && $password == $providedPassword) {
+      $found = true;
+    }
+  }
+  if (!$found) {
+    header("WWW-Authenticate: Basic realm=\"Invalid auth\"");
+    http_response_code(401);
+    echo "Invalid authentification, try again";
+    exit();
+  }
+}
+
+require('./modules/' . $selectedModule['key'] . '/' . $selectedModule['key'] . '.php');