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lib/pkp/classes/security/authorization/internal/ReviewAssignmentAccessPolicy.php

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+<?php
+/**
+ * @file classes/security/authorization/internal/ReviewAssignmentAccessPolicy.php
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2000-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class ReviewAssignmentAccessPolicy
+ *
+ * @ingroup security_authorization_internal
+ *
+ * @brief Class to control access to a submission based on whether the user is an assigned reviewer.
+ *
+ * NB: This policy expects a previously authorized submission in the
+ * authorization context.
+ */
+
+namespace PKP\security\authorization\internal;
+
+use APP\core\Application;
+use APP\submission\Submission;
+use PKP\core\PKPRequest;
+use PKP\db\DAORegistry;
+use PKP\security\authorization\AuthorizationPolicy;
+use PKP\submission\reviewAssignment\ReviewAssignmentDAO;
+use PKP\user\User;
+
+class ReviewAssignmentAccessPolicy extends AuthorizationPolicy
+{
+    /** @var PKPRequest */
+    public $_request;
+
+    /** @var bool */
+    public $_permitDeclined;
+
+    /**
+     * Constructor
+     *
+     * @param PKPRequest $request
+     * @param bool $permitDeclined True if declined or cancelled reviews are acceptable.
+     */
+    public function __construct($request, $permitDeclined = false)
+    {
+        parent::__construct('user.authorization.submissionReviewer');
+        $this->_request = $request;
+        $this->_permitDeclined = $permitDeclined;
+    }
+
+    //
+    // Implement template methods from AuthorizationPolicy
+    //
+    /**
+     * @see AuthorizationPolicy::effect()
+     */
+    public function effect()
+    {
+        // Get the user
+        $user = $this->_request->getUser();
+        if (!$user instanceof User) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Get the submission
+        $submission = $this->getAuthorizedContextObject(Application::ASSOC_TYPE_SUBMISSION);
+        if (!$submission instanceof Submission) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Check if a review assignment exists between the submission and the user
+        $reviewAssignmentDao = DAORegistry::getDAO('ReviewAssignmentDAO'); /** @var ReviewAssignmentDAO $reviewAssignmentDao */
+        $reviewAssignment = $reviewAssignmentDao->getLastReviewRoundReviewAssignmentByReviewer($submission->getId(), $user->getId());
+
+        // Ensure a valid review assignment was fetched from the database
+        if (!($reviewAssignment instanceof \PKP\submission\reviewAssignment\ReviewAssignment)) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // If the assignment has been cancelled, deny access.
+        if ($reviewAssignment->getCancelled()) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Ensure that the assignment isn't declined, unless that's permitted
+        if (!$this->_permitDeclined && $reviewAssignment->getDeclined()) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Save the review assignment to the authorization context.
+        $this->addAuthorizedContextObject(Application::ASSOC_TYPE_REVIEW_ASSIGNMENT, $reviewAssignment);
+        return AuthorizationPolicy::AUTHORIZATION_PERMIT;
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\security\authorization\internal\ReviewAssignmentAccessPolicy', '\ReviewAssignmentAccessPolicy');
+}