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

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+<?php
+/**
+ * @file classes/security/authorization/internal/QueryRequiredPolicy.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 QueryRequiredPolicy
+ *
+ * @ingroup security_authorization_internal
+ *
+ * @brief Policy that ensures that the request contains a valid query.
+ */
+
+namespace PKP\security\authorization\internal;
+
+use APP\core\Application;
+use APP\submission\Submission;
+use PKP\core\PKPRequest;
+use PKP\db\DAORegistry;
+use PKP\query\Query;
+use PKP\query\QueryDAO;
+use PKP\security\authorization\AuthorizationPolicy;
+use PKP\security\authorization\DataObjectRequiredPolicy;
+
+class QueryRequiredPolicy extends DataObjectRequiredPolicy
+{
+    /**
+     * Constructor
+     *
+     * @param PKPRequest $request
+     * @param array $args request parameters
+     * @param null|mixed $operations
+     */
+    public function __construct($request, &$args, $parameterName = 'queryId', $operations = null)
+    {
+        parent::__construct($request, $args, $parameterName, 'user.authorization.invalidQuery', $operations);
+    }
+
+    //
+    // Implement template methods from AuthorizationPolicy
+    //
+    /**
+     * @see DataObjectRequiredPolicy::dataObjectEffect()
+     */
+    public function dataObjectEffect()
+    {
+        $queryId = (int)$this->getDataObjectId();
+        if (!$queryId) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Make sure the query belongs to the submission.
+        $queryDao = DAORegistry::getDAO('QueryDAO'); /** @var QueryDAO $queryDao */
+        $query = $queryDao->getById($queryId);
+        if (!$query instanceof Query) {
+            return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+        switch ($query->getAssocType()) {
+            case Application::ASSOC_TYPE_SUBMISSION:
+                $submission = $this->getAuthorizedContextObject(Application::ASSOC_TYPE_SUBMISSION);
+                if (!$submission instanceof Submission) {
+                    return AuthorizationPolicy::AUTHORIZATION_DENY;
+                }
+                if ($query->getAssocId() != $submission->getId()) {
+                    return AuthorizationPolicy::AUTHORIZATION_DENY;
+                }
+                break;
+            default:
+                return AuthorizationPolicy::AUTHORIZATION_DENY;
+        }
+
+        // Save the query to the authorization context.
+        $this->addAuthorizedContextObject(Application::ASSOC_TYPE_QUERY, $query);
+        return AuthorizationPolicy::AUTHORIZATION_PERMIT;
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\security\authorization\internal\QueryRequiredPolicy', '\QueryRequiredPolicy');
+}