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

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+<?php
+/**
+ * @file classes/security/authorization/internal/SubmissionFileMatchesSubmissionPolicy.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 SubmissionFileMatchesSubmissionPolicy
+ *
+ * @ingroup security_authorization_internal
+ *
+ * @brief Submission file policy to check if the file belongs to the submission
+ *
+ * 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\security\authorization\AuthorizationPolicy;
+use PKP\submissionFile\SubmissionFile;
+
+class SubmissionFileMatchesSubmissionPolicy extends SubmissionFileBaseAccessPolicy
+{
+    //
+    // Implement template methods from AuthorizationPolicy
+    //
+    /**
+     * @see AuthorizationPolicy::effect()
+     */
+    public function effect()
+    {
+        // Get the submission file
+        $request = $this->getRequest();
+        $submissionFile = $this->getSubmissionFile($request);
+        if (!$submissionFile instanceof SubmissionFile) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Get the submission
+        $submission = $this->getAuthorizedContextObject(Application::ASSOC_TYPE_SUBMISSION);
+        if (!$submission instanceof Submission) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+
+        // Check if the submission file belongs to the submission.
+        if ($submissionFile->getData('submissionId') == $submission->getId()) {
+            // We add this submission file to the context submission files array.
+            $submissionFilesArray = $this->getAuthorizedContextObject(Application::ASSOC_TYPE_SUBMISSION_FILES);
+            if (is_null($submissionFilesArray)) {
+                $submissionFilesArray = [];
+            }
+            array_push($submissionFilesArray, $submissionFile);
+            $this->addAuthorizedContextObject(Application::ASSOC_TYPE_SUBMISSION_FILES, $submissionFilesArray);
+
+            // Save the submission file to the authorization context.
+            $this->addAuthorizedContextObject(Application::ASSOC_TYPE_SUBMISSION_FILE, $submissionFile);
+            return AuthorizationPolicy::AUTHORIZATION_PERMIT;
+        } else {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\security\authorization\internal\SubmissionFileMatchesSubmissionPolicy', '\SubmissionFileMatchesSubmissionPolicy');
+}