Address #33.

mjordan · Aug 19, 2020 · f713b25 · f713b25
1 parent dd6b825
commit f713b25
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Showing 3 changed files with 49 additions and 217 deletions.
diff --git a/config/optional/views.view.file_checksum_from_uuid.yml b/config/optional/views.view.file_checksum_from_uuid.yml
diff --git a/islandora_riprap.routing.yml b/islandora_riprap.routing.yml
@@ -22,3 +22,15 @@ islandora_riprap.events_report:
     _title: 'Failed Fixity Check Events'
   requirements:
     _permission: 'administer site configuration'
+
+islandora.riprap.hash:
+  path: '/islandora_riprap/checksum/{file_uuid}/{algorithm}'
+  defaults:
+    _controller: '\Drupal\islandora_riprap\Controller\IslandoraRiprapGetHashController::main'
+  methods: [GET]
+  requirements:
+    # Defined by the Islandora module.
+    _permission: 'view checksums'
+  options:
+    _auth: ['basic_auth', 'cookie', 'jwt_auth']
+
diff --git a/src/Controller/IslandoraRiprapGetHashController.php b/src/Controller/IslandoraRiprapGetHashController.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace Drupal\islandora_riprap\Controller;
+
+use Drupal\Core\Controller\ControllerBase;
+use Symfony\Component\HttpFoundation\JsonResponse;
+
+/**
+ * Controller.
+ */
+class IslandoraRiprapGetHashController extends ControllerBase {
+
+  /**
+   * Gets the hash of the file identified by the UUID.
+   *
+   * @param string $file_uuid
+   *   The UUID of the file.
+   * @param string $algorith
+   *   One of 'md5', 'sha1', or 'sha256'.
+   *
+   * @return JsonResponse
+   *   A JSON response. 
+   */
+  public function main($file_uuid, $algorithm) {
+    $file = \Drupal::entityTypeManager()->getStorage('file')->loadByProperties(['uuid' => $file_uuid]);
+    $file = reset($file);    
+    $checksum = hash_file($algorithm, $file->getFileUri());
+    $response[] = [
+      'checksume' => $checksum,
+      'file_uuid' => $file_uuid,
+      'algorithm' => $algorithm,
+    ];
+
+    return new JsonResponse($response);
+  }
+
+}