<?php
declare(strict_types=1);
namespace GuzzleHttp\Psr7;
use Psr\Http\Message\StreamInterface;
/**
* Stream that when read returns bytes for a streaming multipart or
* multipart/form-data stream.
*/
final class MultipartStream implements StreamInterface
{
use StreamDecoratorTrait;
/** @var string */
private $boundary;
/** @var StreamInterface */
private $stream;
/**
* @param array $elements Array of associative arrays, each containing a
* required "name" key mapping to the form field,
* name, a required "contents" key mapping to a
* StreamInterface/resource/string, an optional
* "headers" associative array of custom headers,
* and an optional "filename" key mapping to a
* string to send as the filename in the part.
* @param string $boundary You can optionally provide a specific boundary
*
* @throws \InvalidArgumentException
*/
public function __construct(array $elements = [], string $boundary = null)
{
$this->boundary = $boundary ?: bin2hex(random_bytes(20));
$this->stream = $this->createStream($elements);
}
public function getBoundary(): string
{
return $this->boundary;
}
public function isWritable(): bool
{
return false;
}
/**
* Get the headers needed before transferring the content of a POST file
*
* @param string[] $headers
*/
private function getHeaders(array $headers): string
{
$str = '';
foreach ($headers as $key => $value) {
$str .= "{$key}: {$value}\r\n";
}
return "--{$this->boundary}\r\n".trim($str)."\r\n\r\n";
}
/**
* Create the aggregate stream that will be used to upload the POST data
*/
protected function createStream(array $elements = []): StreamInterface
{
$stream = new AppendStream();
foreach ($elements as $element) {
if (!is_array($element)) {
throw new \UnexpectedValueException('An array is expected');
}
$this->addElement($stream, $element);
}
// Add the trailing boundary with CRLF
$stream->addStream(Utils::streamFor("--{$this->boundary}--\r\n"));
return $stream;
}
private function addElement(AppendStream $stream, array $element): void
{
foreach (['contents', 'name'] as $key) {
if (!array_key_exists($key, $element)) {
throw new \InvalidArgumentException("A '{$key}' key is required");
}
}
$element['contents'] = Utils::streamFor($element['contents']);
if (empty($element['filename'])) {
$uri = $element['contents']->getMetadata('uri');
if ($uri && \is_string($uri) && \substr($uri, 0, 6) !== 'php://' && \substr($uri, 0, 7) !== 'data://') {
$element['filename'] = $uri;
}
}
[$body, $headers] = $this->createElement(
$element['name'],
$element['contents'],
$element['filename'] ?? null,
$element['headers'] ?? []
);
$stream->addStream(Utils::streamFor($this->getHeaders($headers)));
$stream->addStream($body);
$stream->addStream(Utils::streamFor("\r\n"));
}
/**
* @param string[] $headers
*
* @return array{0: StreamInterface, 1: string[]}
*/
private function createElement(string $name, StreamInterface $stream, ?string $filename, array $headers): array
{
// Set a default content-disposition header if one was no provided
$disposition = self::getHeader($headers, 'content-disposition');
if (!$disposition) {
$headers['Content-Disposition'] = ($filename === '0' || $filename)
? sprintf(
'form-data; name="%s"; filename="%s"',
$name,
basename($filename)
)
: "form-data; name=\"{$name}\"";
}
// Set a default content-length header if one was no provided
$length = self::getHeader($headers, 'content-length');
if (!$length) {
if ($length = $stream->getSize()) {
$headers['Content-Length'] = (string) $length;
}
}
// Set a default Content-Type if one was not supplied
$type = self::getHeader($headers, 'content-type');
if (!$type && ($filename === '0' || $filename)) {
$headers['Content-Type'] = MimeType::fromFilename($filename) ?? 'application/octet-stream';
}
return [$stream, $headers];
}
/**
* @param string[] $headers
*/
private static function getHeader(array $headers, string $key): ?string
{
$lowercaseHeader = strtolower($key);
foreach ($headers as $k => $v) {
if (strtolower((string) $k) === $lowercaseHeader) {
return $v;
}
}
return null;
}
}
At NFC Pay, your privacy is of utmost importance to us. This Privacy Policy outlines how we collect, use, share, and protect your personal information when you use our services, including our website and mobile applications.
1. Information We Collect
2. How We Use Your Information
We use the information we collect for the following purposes:
3. Sharing Your Information
We may share your personal information in the following circumstances:
4. Security of Your Information
We take the security of your personal information seriously and implement a variety of security measures, including encryption, secure servers, and access controls, to protect your data from unauthorized access, disclosure, alteration, or destruction. However, no method of transmission over the internet or electronic storage is completely secure, and we cannot guarantee its absolute security.
5. Your Privacy Rights
Depending on your location, you may have certain rights regarding your personal information, such as:
6. Third-Party Links
Our services may contain links to third-party websites or services. We are not responsible for the privacy practices or the content of these third-party sites. We encourage you to review the privacy policies of those third parties.
7. Children’s Privacy
Our services are not intended for individuals under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected personal information from a child under 13, we will take steps to delete that information.
8. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. We will notify you of any significant changes by posting the new Privacy Policy on our website and updating the effective date.
9. Contact Us
If you have any questions or concerns about this Privacy Policy or our data practices, please contact us at:
Email: support@nfcpay.com