Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663
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Greg Anderson
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8476 changed files with 211648 additions and 170042 deletions
226
vendor/symfony/http-foundation/JsonResponse.php
vendored
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226
vendor/symfony/http-foundation/JsonResponse.php
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation;
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/**
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* Response represents an HTTP response in JSON format.
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*
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* Note that this class does not force the returned JSON content to be an
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* object. It is however recommended that you do return an object as it
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* protects yourself against XSSI and JSON-JavaScript Hijacking.
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*
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* @see https://www.owasp.org/index.php/OWASP_AJAX_Security_Guidelines#Always_return_JSON_with_an_Object_on_the_outside
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*
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* @author Igor Wiedler <igor@wiedler.ch>
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*/
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class JsonResponse extends Response
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{
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protected $data;
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protected $callback;
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// Encode <, >, ', &, and " for RFC4627-compliant JSON, which may also be embedded into HTML.
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// 15 === JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT
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protected $encodingOptions = 15;
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/**
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* Constructor.
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*
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* @param mixed $data The response data
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* @param int $status The response status code
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* @param array $headers An array of response headers
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*/
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public function __construct($data = null, $status = 200, $headers = array())
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{
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parent::__construct('', $status, $headers);
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if (null === $data) {
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$data = new \ArrayObject();
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}
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$this->setData($data);
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}
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/**
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* {@inheritdoc}
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*/
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public static function create($data = null, $status = 200, $headers = array())
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{
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return new static($data, $status, $headers);
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}
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/**
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* Sets the JSONP callback.
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*
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* @param string|null $callback The JSONP callback or null to use none
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*
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* @return JsonResponse
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*
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* @throws \InvalidArgumentException When the callback name is not valid
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*/
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public function setCallback($callback = null)
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{
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if (null !== $callback) {
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// taken from http://www.geekality.net/2011/08/03/valid-javascript-identifier/
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$pattern = '/^[$_\p{L}][$_\p{L}\p{Mn}\p{Mc}\p{Nd}\p{Pc}\x{200C}\x{200D}]*+$/u';
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$parts = explode('.', $callback);
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foreach ($parts as $part) {
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if (!preg_match($pattern, $part)) {
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throw new \InvalidArgumentException('The callback name is not valid.');
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}
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}
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}
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$this->callback = $callback;
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return $this->update();
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}
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/**
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* Sets the data to be sent as JSON.
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*
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* @param mixed $data
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*
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* @return JsonResponse
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*
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* @throws \InvalidArgumentException
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*/
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public function setData($data = array())
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{
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if (defined('HHVM_VERSION')) {
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// HHVM does not trigger any warnings and let exceptions
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// thrown from a JsonSerializable object pass through.
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// If only PHP did the same...
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$data = json_encode($data, $this->encodingOptions);
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} else {
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try {
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if (PHP_VERSION_ID < 50400) {
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// PHP 5.3 triggers annoying warnings for some
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// types that can't be serialized as JSON (INF, resources, etc.)
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// but doesn't provide the JsonSerializable interface.
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set_error_handler('var_dump', 0);
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$data = @json_encode($data, $this->encodingOptions);
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} else {
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// PHP 5.4 and up wrap exceptions thrown by JsonSerializable
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// objects in a new exception that needs to be removed.
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// Fortunately, PHP 5.5 and up do not trigger any warning anymore.
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if (PHP_VERSION_ID < 50500) {
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// Clear json_last_error()
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json_encode(null);
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$errorHandler = set_error_handler('var_dump');
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restore_error_handler();
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set_error_handler(function () use ($errorHandler) {
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if (JSON_ERROR_NONE === json_last_error()) {
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return $errorHandler && false !== call_user_func_array($errorHandler, func_get_args());
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}
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});
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}
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$data = json_encode($data, $this->encodingOptions);
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}
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if (PHP_VERSION_ID < 50500) {
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restore_error_handler();
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}
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} catch (\Exception $e) {
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if (PHP_VERSION_ID < 50500) {
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restore_error_handler();
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}
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if (PHP_VERSION_ID >= 50400 && 'Exception' === get_class($e) && 0 === strpos($e->getMessage(), 'Failed calling ')) {
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throw $e->getPrevious() ?: $e;
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}
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throw $e;
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}
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}
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if (JSON_ERROR_NONE !== json_last_error()) {
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throw new \InvalidArgumentException($this->transformJsonError());
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}
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$this->data = $data;
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return $this->update();
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}
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/**
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* Returns options used while encoding data to JSON.
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*
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* @return int
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*/
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public function getEncodingOptions()
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{
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return $this->encodingOptions;
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}
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/**
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* Sets options used while encoding data to JSON.
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*
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* @param int $encodingOptions
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*
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* @return JsonResponse
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*/
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public function setEncodingOptions($encodingOptions)
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{
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$this->encodingOptions = (int) $encodingOptions;
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return $this->setData(json_decode($this->data));
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}
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/**
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* Updates the content and headers according to the JSON data and callback.
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*
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* @return JsonResponse
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*/
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protected function update()
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{
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if (null !== $this->callback) {
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// Not using application/javascript for compatibility reasons with older browsers.
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$this->headers->set('Content-Type', 'text/javascript');
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return $this->setContent(sprintf('/**/%s(%s);', $this->callback, $this->data));
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}
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// Only set the header when there is none or when it equals 'text/javascript' (from a previous update with callback)
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// in order to not overwrite a custom definition.
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if (!$this->headers->has('Content-Type') || 'text/javascript' === $this->headers->get('Content-Type')) {
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$this->headers->set('Content-Type', 'application/json');
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}
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return $this->setContent($this->data);
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}
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private function transformJsonError()
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{
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if (function_exists('json_last_error_msg')) {
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return json_last_error_msg();
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}
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switch (json_last_error()) {
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case JSON_ERROR_DEPTH:
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return 'Maximum stack depth exceeded.';
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case JSON_ERROR_STATE_MISMATCH:
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return 'Underflow or the modes mismatch.';
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case JSON_ERROR_CTRL_CHAR:
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return 'Unexpected control character found.';
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case JSON_ERROR_SYNTAX:
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return 'Syntax error, malformed JSON.';
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case JSON_ERROR_UTF8:
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return 'Malformed UTF-8 characters, possibly incorrectly encoded.';
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default:
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return 'Unknown error.';
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}
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}
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}
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