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

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+<?php
+
+/**
+ * @file classes/security/authorization/internal/SubmissionFileUploaderAccessPolicy.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 SubmissionFileUploaderAccessPolicy
+ *
+ * @ingroup security_authorization_internal
+ *
+ * @brief Submission file policy to check if the current user is the uploader.
+ *
+ */
+
+namespace PKP\security\authorization\internal;
+
+use PKP\security\authorization\AuthorizationPolicy;
+
+class SubmissionFileUploaderAccessPolicy 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 (!$submissionFile instanceof \PKP\submissionFile\SubmissionFile) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Check if the uploader is the current user.
+        if ($submissionFile->getUploaderUserId() == $user->getId()) {
+            return AuthorizationPolicy::AUTHORIZATION_PERMIT;
+        } else {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\security\authorization\internal\SubmissionFileUploaderAccessPolicy', '\SubmissionFileUploaderAccessPolicy');
+}