<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpFoundation;
/**
* Response represents an HTTP response in JSON format.
*
* Note that this class does not force the returned JSON content to be an
* object. It is however recommended that you do return an object as it
* protects yourself against XSSI and JSON-JavaScript Hijacking.
*
* @see https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/AJAX_Security_Cheat_Sheet.md#always-return-json-with-an-object-on-the-outside
*
* @author Igor Wiedler <igor@wiedler.ch>
*/
class JsonResponse extends Response
{
protected $data;
protected $callback;
// Encode <, >, ', &, and " characters in the JSON, making it also safe to be embedded into HTML.
// 15 === JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT
public const DEFAULT_ENCODING_OPTIONS = 15;
protected $encodingOptions = self::DEFAULT_ENCODING_OPTIONS;
/**
* @param bool $json If the data is already a JSON string
*/
public function __construct(mixed $data = null, int $status = 200, array $headers = [], bool $json = false)
{
parent::__construct('', $status, $headers);
if ($json && !\is_string($data) && !is_numeric($data) && !\is_callable([$data, '__toString'])) {
throw new \TypeError(sprintf('"%s": If $json is set to true, argument $data must be a string or object implementing __toString(), "%s" given.', __METHOD__, get_debug_type($data)));
}
if (null === $data) {
$data = new \ArrayObject();
}
$json ? $this->setJson($data) : $this->setData($data);
}
/**
* Factory method for chainability.
*
* Example:
*
* return JsonResponse::fromJsonString('{"key": "value"}')
* ->setSharedMaxAge(300);
*
* @param string $data The JSON response string
* @param int $status The response status code
* @param array $headers An array of response headers
*/
public static function fromJsonString(string $data, int $status = 200, array $headers = []): static
{
return new static($data, $status, $headers, true);
}
/**
* Sets the JSONP callback.
*
* @param string|null $callback The JSONP callback or null to use none
*
* @return $this
*
* @throws \InvalidArgumentException When the callback name is not valid
*/
public function setCallback(string $callback = null): static
{
if (null !== $callback) {
// partially taken from https://geekality.net/2011/08/03/valid-javascript-identifier/
// partially taken from https://github.com/willdurand/JsonpCallbackValidator
// JsonpCallbackValidator is released under the MIT License. See https://github.com/willdurand/JsonpCallbackValidator/blob/v1.1.0/LICENSE for details.
// (c) William Durand <william.durand1@gmail.com>
$pattern = '/^[$_\p{L}][$_\p{L}\p{Mn}\p{Mc}\p{Nd}\p{Pc}\x{200C}\x{200D}]*(?:\[(?:"(?:\\\.|[^"\\\])*"|\'(?:\\\.|[^\'\\\])*\'|\d+)\])*?$/u';
$reserved = [
'break', 'do', 'instanceof', 'typeof', 'case', 'else', 'new', 'var', 'catch', 'finally', 'return', 'void', 'continue', 'for', 'switch', 'while',
'debugger', 'function', 'this', 'with', 'default', 'if', 'throw', 'delete', 'in', 'try', 'class', 'enum', 'extends', 'super', 'const', 'export',
'import', 'implements', 'let', 'private', 'public', 'yield', 'interface', 'package', 'protected', 'static', 'null', 'true', 'false',
];
$parts = explode('.', $callback);
foreach ($parts as $part) {
if (!preg_match($pattern, $part) || \in_array($part, $reserved, true)) {
throw new \InvalidArgumentException('The callback name is not valid.');
}
}
}
$this->callback = $callback;
return $this->update();
}
/**
* Sets a raw string containing a JSON document to be sent.
*
* @return $this
*/
public function setJson(string $json): static
{
$this->data = $json;
return $this->update();
}
/**
* Sets the data to be sent as JSON.
*
* @return $this
*
* @throws \InvalidArgumentException
*/
public function setData(mixed $data = []): static
{
try {
$data = json_encode($data, $this->encodingOptions);
} catch (\Exception $e) {
if ('Exception' === \get_class($e) && str_starts_with($e->getMessage(), 'Failed calling ')) {
throw $e->getPrevious() ?: $e;
}
throw $e;
}
if (\JSON_THROW_ON_ERROR & $this->encodingOptions) {
return $this->setJson($data);
}
if (\JSON_ERROR_NONE !== json_last_error()) {
throw new \InvalidArgumentException(json_last_error_msg());
}
return $this->setJson($data);
}
/**
* Returns options used while encoding data to JSON.
*/
public function getEncodingOptions(): int
{
return $this->encodingOptions;
}
/**
* Sets options used while encoding data to JSON.
*
* @return $this
*/
public function setEncodingOptions(int $encodingOptions): static
{
$this->encodingOptions = $encodingOptions;
return $this->setData(json_decode($this->data));
}
/**
* Updates the content and headers according to the JSON data and callback.
*
* @return $this
*/
protected function update(): static
{
if (null !== $this->callback) {
// Not using application/javascript for compatibility reasons with older browsers.
$this->headers->set('Content-Type', 'text/javascript');
return $this->setContent(sprintf('/**/%s(%s);', $this->callback, $this->data));
}
// Only set the header when there is none or when it equals 'text/javascript' (from a previous update with callback)
// in order to not overwrite a custom definition.
if (!$this->headers->has('Content-Type') || 'text/javascript' === $this->headers->get('Content-Type')) {
$this->headers->set('Content-Type', 'application/json');
}
return $this->setContent($this->data);
}
}
With NFC Pay, experience seamless and secure transactions right at your fingertips. Add your cards, load your wallet, and make payments effortlessly. Activate your merchant account to receive payments or transfer money instantly to other users. NFC Pay combines security, speed, and smart features, making every transaction smooth and reliable. Embrace the future of payments with NFC Pay.
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Two Factor Authentication
Dramatically supply transparent backward deliverables before caward comp internal or "organic" sources.
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Why Choice Us
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Testimonial Section
Customer Feedback: Real Experiences from Satisfied Clients and Partners
Hear from our users who trust NFC Pay for their everyday transactions. Our commitment to security, ease of use, and exceptional service shines through in their experiences. See why our clients choose NFC Pay for their payment needs and how it has transformed the way they manage their finances.
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In the digital age, privacy concerns have become increasingly paramount, prompting the European Union to enact the General Data Protection Regulation (GDPR) in 2018. Among its many provisions, GDPR sets strict guidelines for the collection and processing of personal data, including the use of cookies on websites. Privacy Policy
