comparison core/modules/system/src/MachineNameController.php @ 0:4c8ae668cc8c

Initial import (non-working)

+<?php
+
+namespace Drupal\system;
+
+use Drupal\Component\Transliteration\TransliterationInterface;
+use Drupal\Component\Utility\Unicode;
+use Drupal\Core\Access\CsrfTokenGenerator;
+use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Controller routines for machine name transliteration routes.
+ */
+class MachineNameController implements ContainerInjectionInterface {
+
+  /**
+   * The transliteration helper.
+   *
+   * @var \Drupal\Component\Transliteration\TransliterationInterface
+   */
+  protected $transliteration;
+
+  /**
+   * The token generator.
+   *
+   * @var \Drupal\Core\Access\CsrfTokenGenerator
+   */
+  protected $tokenGenerator;
+
+  /**
+   * Constructs a MachineNameController object.
+   *
+   * @param \Drupal\Component\Transliteration\TransliterationInterface $transliteration
+   *   The transliteration helper.
+   * @param \Drupal\Core\Access\CsrfTokenGenerator $token_generator
+   *   The token generator.
+   */
+  public function __construct(TransliterationInterface $transliteration, CsrfTokenGenerator $token_generator) {
+    $this->transliteration = $transliteration;
+    $this->tokenGenerator = $token_generator;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('transliteration'),
+      $container->get('csrf_token')
+    );
+  }
+
+  /**
+   * Transliterates a string in given language. Various postprocessing possible.
+   *
+   * @param \Symfony\Component\HttpFoundation\Request $request
+   *   The input string and language for the transliteration.
+   *   Optionally may contain the replace_pattern, replace, lowercase parameters.
+   *
+   * @return \Symfony\Component\HttpFoundation\JsonResponse
+   *   The transliterated string.
+   */
+  public function transliterate(Request $request) {
+    $text = $request->query->get('text');
+    $langcode = $request->query->get('langcode');
+    $replace_pattern = $request->query->get('replace_pattern');
+    $replace_token = $request->query->get('replace_token');
+    $replace = $request->query->get('replace');
+    $lowercase = $request->query->get('lowercase');
+
+    $transliterated = $this->transliteration->transliterate($text, $langcode, '_');
+    if ($lowercase) {
+      $transliterated = Unicode::strtolower($transliterated);
+    }
+
+    if (isset($replace_pattern) && isset($replace)) {
+      if (!isset($replace_token)) {
+        throw new AccessDeniedHttpException("Missing 'replace_token' query parameter.");
+      }
+      elseif (!$this->tokenGenerator->validate($replace_token, $replace_pattern)) {
+        throw new AccessDeniedHttpException("Invalid 'replace_token' query parameter.");
+      }
+
+      // Quote the pattern delimiter and remove null characters to avoid the e
+      // or other modifiers being injected.
+      $transliterated = preg_replace('@' . strtr($replace_pattern, ['@' => '\@', chr(0) => '']) . '@', $replace, $transliterated);
+    }
+    return new JsonResponse($transliterated);
+  }
+
+}