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msd2/tracking/piwik/plugins/LanguagesManager/TranslationWriter/Validate/NoScripts.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+
+namespace Piwik\Plugins\LanguagesManager\TranslationWriter\Validate;
+
+class NoScripts extends ValidateAbstract
+{
+    /**
+     * Validates the given translations
+     *  * No script like parts should be present in any part of the translations
+     *
+     * @param array $translations
+     *
+     * @return boolean
+     */
+    public function isValid($translations)
+    {
+        $this->message = null;
+
+        // check if any translation contains restricted script tags
+        $serializedStrings = serialize($translations);
+        $invalids = array("<script", 'document.', 'javascript:', 'src=', 'background=', 'onload=');
+
+        foreach ($invalids as $invalid) {
+            if (stripos($serializedStrings, $invalid) !== false) {
+                $this->message = 'script tags restricted for language files';
+                return false;
+            }
+        }
+
+        return true;
+    }
+}