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

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+<?php
+/**
+ * @file classes/security/authorization/internal/SubmissionFileAssignedReviewerAccessPolicy.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 SubmissionFileAssignedReviewerAccessPolicy
+ *
+ * @ingroup security_authorization_internal
+ *
+ * @brief Submission file policy to check if the current user is an assigned
+ * 	reviewer of the file.
+ *
+ */
+
+namespace PKP\security\authorization\internal;
+
+use APP\core\Application;
+use Exception;
+use PKP\db\DAORegistry;
+use PKP\security\authorization\AuthorizationPolicy;
+use PKP\submission\reviewAssignment\ReviewAssignmentDAO;
+use PKP\submission\ReviewFilesDAO;
+use PKP\submissionFile\SubmissionFile;
+
+class SubmissionFileAssignedReviewerAccessPolicy extends SubmissionFileBaseAccessPolicy
+{
+    //
+    // Implement template methods from AuthorizationPolicy
+    //
+    /**
+     * @see AuthorizationPolicy::effect()
+     */
+    public function effect()
+    {
+        $request = $this->getRequest();
+
+        // Get the user
+        $user = $request->getUser();
+        if (!$user instanceof \PKP\user\User) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Get the submission file
+        $submissionFile = $this->getSubmissionFile($request);
+        if (!$submissionFile instanceof SubmissionFile) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        $context = $request->getContext();
+        $reviewAssignmentDao = DAORegistry::getDAO('ReviewAssignmentDAO'); /** @var ReviewAssignmentDAO $reviewAssignmentDao */
+        $reviewAssignments = $reviewAssignmentDao->getByUserId($user->getId());
+        $reviewFilesDao = DAORegistry::getDAO('ReviewFilesDAO'); /** @var ReviewFilesDAO $reviewFilesDao */
+        foreach ($reviewAssignments as $reviewAssignment) {
+            if ($context->getData('restrictReviewerFileAccess') && !$reviewAssignment->getDateConfirmed()) {
+                continue;
+            }
+
+            // Determine which file stage the requested file should be in.
+            $reviewFileStage = null;
+            switch ($reviewAssignment->getStageId()) {
+                case WORKFLOW_STAGE_ID_INTERNAL_REVIEW:
+                    $reviewFileStage = SubmissionFile::SUBMISSION_FILE_INTERNAL_REVIEW_FILE;
+                    break;
+                case WORKFLOW_STAGE_ID_EXTERNAL_REVIEW:
+                    $reviewFileStage = SubmissionFile::SUBMISSION_FILE_REVIEW_FILE;
+                    break;
+                default: throw new Exception('Unknown review workflow stage ID!');
+            }
+
+            if (
+                $submissionFile->getData('submissionId') == $reviewAssignment->getSubmissionId() &&
+                $submissionFile->getData('fileStage') == $reviewFileStage &&
+                $reviewFilesDao->check($reviewAssignment->getId(), $submissionFile->getId())
+            ) {
+                $this->addAuthorizedContextObject(Application::ASSOC_TYPE_REVIEW_ASSIGNMENT, $reviewAssignment);
+                return AuthorizationPolicy::AUTHORIZATION_PERMIT;
+            }
+        }
+
+        // If a pass condition wasn't found above, deny access.
+        return AuthorizationPolicy::AUTHORIZATION_DENY;
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\security\authorization\internal\SubmissionFileAssignedReviewerAccessPolicy', '\SubmissionFileAssignedReviewerAccessPolicy');
+}