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msd2/tracking/piwik/plugins/API/Renderer/Json.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\API\Renderer;
+
+use Piwik\API\ApiRenderer;
+use Piwik\Common;
+use Piwik\DataTable\Renderer;
+use Piwik\Piwik;
+use Piwik\ProxyHttp;
+
+/**
+ * API output renderer for JSON.
+ * NOTE: This is the old JSON format. It includes bugs that are fixed in the JSON2 API output format.
+ * Please use json2 format instead of this.
+ *
+ * @deprecated
+ */
+class Json extends ApiRenderer
+{
+    public function renderSuccess($message)
+    {
+        $result = json_encode(array('result' => 'success', 'message' => $message));
+        return $this->applyJsonpIfNeeded($result);
+    }
+
+    /**
+     * @param $message
+     * @param Exception|\Throwable $exception
+     * @param \Exception|\Throwable $exception
+     * @return string
+     */
+    public function renderException($message, $exception)
+    {
+        $exceptionMessage = str_replace(array("\r\n", "\n"), "", $message);
+
+        $result = json_encode(array('result' => 'error', 'message' => $exceptionMessage));
+
+        return $this->applyJsonpIfNeeded($result);
+    }
+
+    public function renderDataTable($dataTable)
+    {
+        $result = parent::renderDataTable($dataTable);
+
+        return $this->applyJsonpIfNeeded($result);
+    }
+
+    public function renderArray($array)
+    {
+        if (Piwik::isMultiDimensionalArray($array)) {
+            $jsonRenderer = Renderer::factory('json');
+            $jsonRenderer->setTable($array);
+            $result = $jsonRenderer->render();
+            return $this->applyJsonpIfNeeded($result);
+        }
+        return  $this->renderDataTable($array);
+    }
+
+    public function sendHeader()
+    {
+        if ($this->isJsonp()) {
+            Common::sendHeader('Content-Type: application/javascript; charset=utf-8');
+        } else {
+            Renderer\Json::sendHeaderJSON();
+        }
+
+        ProxyHttp::overrideCacheControlHeaders();
+    }
+
+    private function isJsonp()
+    {
+        $callback = $this->getJsonpCallback();
+
+        if (false === $callback) {
+            return false;
+        }
+
+        return preg_match('/^[0-9a-zA-Z_.]*$/D', $callback) > 0;
+    }
+
+    private function getJsonpCallback()
+    {
+        $jsonCallback = Common::getRequestVar('callback', false, null, $this->request);
+
+        if ($jsonCallback === false) {
+            $jsonCallback = Common::getRequestVar('jsoncallback', false, null, $this->request);
+        }
+
+        return $jsonCallback;
+    }
+
+    /**
+     * @param $str
+     * @return string
+     */
+    private function applyJsonpIfNeeded($str)
+    {
+        if ($this->isJsonp()) {
+            $jsonCallback = $this->getJsonpCallback();
+            $str = $jsonCallback . "(" . $str . ")";
+        }
+
+        return $str;
+    }
+}