feat(publisher): create publisher consumer if it does not exist yet (#…

…1439)

packages/composer/amazeelabs/silverback_gatsby/modules/silverback_gatsby_oauth/silverback_gatsby_oauth.info.yml

@@ -0,0 +1,9 @@
+name: Silverback Gatsby OAuth
+type: module
+description: 'Integration of Publisher with OAuth.'
+package: Silverback
+dependencies:
+  - silverback_gatsby:silverback_gatsby
+  - simple_oauth:simple_oauth
+  - consumers:consumers
+core_version_requirement: ^8 || ^9 || ^10

packages/composer/amazeelabs/silverback_gatsby/modules/silverback_gatsby_oauth/silverback_gatsby_oauth.install

@@ -0,0 +1,61 @@
+<?php
+
+use Drupal\user\RoleInterface;
+
+function silverback_gatsby_oauth_install() {
+  // Skip for Silverback environments.
+  // It might be used for OAuth development purpose only in Silverback
+  // and can be set manually for this case.
+  // Matches the default Publisher behavior
+  // that disables Publisher OAuth for non Lagoon environments.
+  if (getenv('SB_ENVIRONMENT')) {
+    return;
+  }
+
+  // Check requirements.
+  $entityTypeManager = \Drupal::entityTypeManager();
+  $publisherRole = $entityTypeManager->getStorage('user_role')->load('publisher');
+  if (!$publisherRole instanceof RoleInterface) {
+    throw new \Exception('Publisher Role does not exist. It is required to setup the Publisher OAuth Consumer.');
+  }
+
+  $publisherUrl = getenv('PUBLISHER_URL');
+  if (!$publisherUrl) {
+    throw new \Exception('PUBLISHER_URL environment variable is not set. It is required to setup the Publisher OAuth Consumer.');
+  }
+
+  $clientSecret = getenv('PUBLISHER_OAUTH2_CLIENT_SECRET');
+  if (!$clientSecret) {
+    throw new \Exception('PUBLISHER_OAUTH2_CLIENT_SECRET environment variable is not set. It is required to setup the Publisher OAuth Consumer.');
+  }
+
+  $consumersStorage = $entityTypeManager->getStorage('consumer');
+  $existingConsumers = $consumersStorage->loadMultiple();
+  $hasPublisherConsumer = FALSE;
+  /** @var \Drupal\consumers\Entity\ConsumerInterface $consumer */
+  foreach($existingConsumers as $consumer) {
+    // As a side effect, delete the default consumer.
+    // It is installed by the Consumers module.
+    if ($consumer->getClientId() === 'default_consumer') {
+      $consumer->delete();
+    }
+    if ($consumer->getClientId() === 'publisher') {
+      $hasPublisherConsumer = TRUE;
+    }
+  }
+
+  // Create the Publisher Consumer if it does not exist.
+  if (!$hasPublisherConsumer) {
+    $oAuthCallback = $publisherUrl . '/oauth/callback';
+    $consumersStorage->create([
+      'label' => 'Publisher',
+      'client_id' => 'publisher',
+      'is_default' => TRUE,
+      'secret' => $clientSecret,
+      'redirect' => $oAuthCallback,
+      'roles' => [
+        'publisher',
+      ],
+    ])->save();
+  }
+}