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

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+<?php
+/**
+ * @file classes/security/authorization/internal/SubmissionRequiredPolicy.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 SubmissionRequiredPolicy
+ *
+ * @ingroup security_authorization_internal
+ *
+ * @brief Policy that ensures that the request contains a valid submission.
+ */
+
+namespace PKP\security\authorization\internal;
+
+use APP\core\Application;
+use APP\facades\Repo;
+use APP\submission\Submission;
+use PKP\core\PKPRequest;
+use PKP\security\authorization\AuthorizationPolicy;
+use PKP\security\authorization\DataObjectRequiredPolicy;
+
+class SubmissionRequiredPolicy extends DataObjectRequiredPolicy
+{
+    /**
+     * Constructor
+     *
+     * @param PKPRequest $request
+     * @param array $args request parameters
+     * @param string $submissionParameterName the request parameter we expect
+     *  the submission id in.
+     * @param null|mixed $operations
+     */
+    public function __construct($request, &$args, $submissionParameterName = 'submissionId', $operations = null)
+    {
+        parent::__construct($request, $args, $submissionParameterName, 'user.authorization.invalidSubmission', $operations);
+
+        $callOnDeny = [$request->getDispatcher(), 'handle404', []];
+        $this->setAdvice(
+            AuthorizationPolicy::AUTHORIZATION_ADVICE_CALL_ON_DENY,
+            $callOnDeny
+        );
+    }
+
+    //
+    // Implement template methods from AuthorizationPolicy
+    //
+    /**
+     * @see DataObjectRequiredPolicy::dataObjectEffect()
+     */
+    public function dataObjectEffect()
+    {
+        // Get the submission id.
+        $submissionId = $this->getDataObjectId();
+        if ($submissionId === false) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Validate the submission id.
+        $submission = Repo::submission()->get((int) $submissionId);
+        if (!$submission instanceof Submission) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Validate that this submission belongs to the current context.
+        $context = $this->_request->getContext();
+        if ($context->getId() != $submission->getData('contextId')) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Save the submission to the authorization context.
+        $this->addAuthorizedContextObject(Application::ASSOC_TYPE_SUBMISSION, $submission);
+        return AuthorizationPolicy::AUTHORIZATION_PERMIT;
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\security\authorization\internal\SubmissionRequiredPolicy', '\SubmissionRequiredPolicy');
+}