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lib/pkp/classes/security/authorization/DoisEnabledPolicy.php

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+<?php
+/**
+ * @file classes/security/authorization/DoisEnabledPolicy.php
+ *
+ * Copyright (c) 2014-2022 Simon Fraser University
+ * Copyright (c) 2000-2022 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class DoisEnabledPolicy
+ *
+ * @ingroup security_authorization
+ *
+ * @brief Class to control access to a DOI-related functionality.
+ *
+ */
+
+namespace PKP\security\authorization;
+
+use PKP\context\Context;
+
+class DoisEnabledPolicy extends AuthorizationPolicy
+{
+    private Context $context;
+
+    public function __construct(Context $context)
+    {
+        parent::__construct('doi.authorization.enabledRequired');
+        $this->context = $context;
+    }
+
+    public function effect()
+    {
+        $doisEnabled = $this->context->getData(Context::SETTING_ENABLE_DOIS);
+        $anyDoiTypesEnabled = !empty($this->context->getData(Context::SETTING_ENABLED_DOI_TYPES));
+
+        if ($doisEnabled && $anyDoiTypesEnabled) {
+            return AuthorizationPolicy::AUTHORIZATION_PERMIT;
+        }
+
+        return AuthorizationPolicy::AUTHORIZATION_DENY;
+    }
+}