<?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;
/**
* HTTP header utility functions.
*
* @author Christian Schmidt <github@chsc.dk>
*/
class HeaderUtils
{
public const DISPOSITION_ATTACHMENT = 'attachment';
public const DISPOSITION_INLINE = 'inline';
/**
* This class should not be instantiated.
*/
private function __construct()
{
}
/**
* Splits an HTTP header by one or more separators.
*
* Example:
*
* HeaderUtils::split("da, en-gb;q=0.8", ",;")
* // => ['da'], ['en-gb', 'q=0.8']]
*
* @param string $separators List of characters to split on, ordered by
* precedence, e.g. ",", ";=", or ",;="
*
* @return array Nested array with as many levels as there are characters in
* $separators
*/
public static function split(string $header, string $separators): array
{
$quotedSeparators = preg_quote($separators, '/');
preg_match_all('
/
(?!\s)
(?:
# quoted-string
"(?:[^"\\\\]|\\\\.)*(?:"|\\\\|$)
|
# token
[^"'.$quotedSeparators.']+
)+
(?<!\s)
|
# separator
\s*
(?<separator>['.$quotedSeparators.'])
\s*
/x', trim($header), $matches, \PREG_SET_ORDER);
return self::groupParts($matches, $separators);
}
/**
* Combines an array of arrays into one associative array.
*
* Each of the nested arrays should have one or two elements. The first
* value will be used as the keys in the associative array, and the second
* will be used as the values, or true if the nested array only contains one
* element. Array keys are lowercased.
*
* Example:
*
* HeaderUtils::combine([["foo", "abc"], ["bar"]])
* // => ["foo" => "abc", "bar" => true]
*/
public static function combine(array $parts): array
{
$assoc = [];
foreach ($parts as $part) {
$name = strtolower($part[0]);
$value = $part[1] ?? true;
$assoc[$name] = $value;
}
return $assoc;
}
/**
* Joins an associative array into a string for use in an HTTP header.
*
* The key and value of each entry are joined with "=", and all entries
* are joined with the specified separator and an additional space (for
* readability). Values are quoted if necessary.
*
* Example:
*
* HeaderUtils::toString(["foo" => "abc", "bar" => true, "baz" => "a b c"], ",")
* // => 'foo=abc, bar, baz="a b c"'
*/
public static function toString(array $assoc, string $separator): string
{
$parts = [];
foreach ($assoc as $name => $value) {
if (true === $value) {
$parts[] = $name;
} else {
$parts[] = $name.'='.self::quote($value);
}
}
return implode($separator.' ', $parts);
}
/**
* Encodes a string as a quoted string, if necessary.
*
* If a string contains characters not allowed by the "token" construct in
* the HTTP specification, it is backslash-escaped and enclosed in quotes
* to match the "quoted-string" construct.
*/
public static function quote(string $s): string
{
if (preg_match('/^[a-z0-9!#$%&\'*.^_`|~-]+$/i', $s)) {
return $s;
}
return '"'.addcslashes($s, '"\\"').'"';
}
/**
* Decodes a quoted string.
*
* If passed an unquoted string that matches the "token" construct (as
* defined in the HTTP specification), it is passed through verbatimly.
*/
public static function unquote(string $s): string
{
return preg_replace('/\\\\(.)|"/', '$1', $s);
}
/**
* Generates an HTTP Content-Disposition field-value.
*
* @param string $disposition One of "inline" or "attachment"
* @param string $filename A unicode string
* @param string $filenameFallback A string containing only ASCII characters that
* is semantically equivalent to $filename. If the filename is already ASCII,
* it can be omitted, or just copied from $filename
*
* @throws \InvalidArgumentException
*
* @see RFC 6266
*/
public static function makeDisposition(string $disposition, string $filename, string $filenameFallback = ''): string
{
if (!\in_array($disposition, [self::DISPOSITION_ATTACHMENT, self::DISPOSITION_INLINE])) {
throw new \InvalidArgumentException(sprintf('The disposition must be either "%s" or "%s".', self::DISPOSITION_ATTACHMENT, self::DISPOSITION_INLINE));
}
if ('' === $filenameFallback) {
$filenameFallback = $filename;
}
// filenameFallback is not ASCII.
if (!preg_match('/^[\x20-\x7e]*$/', $filenameFallback)) {
throw new \InvalidArgumentException('The filename fallback must only contain ASCII characters.');
}
// percent characters aren't safe in fallback.
if (str_contains($filenameFallback, '%')) {
throw new \InvalidArgumentException('The filename fallback cannot contain the "%" character.');
}
// path separators aren't allowed in either.
if (str_contains($filename, '/') || str_contains($filename, '\\') || str_contains($filenameFallback, '/') || str_contains($filenameFallback, '\\')) {
throw new \InvalidArgumentException('The filename and the fallback cannot contain the "/" and "\\" characters.');
}
$params = ['filename' => $filenameFallback];
if ($filename !== $filenameFallback) {
$params['filename*'] = "utf-8''".rawurlencode($filename);
}
return $disposition.'; '.self::toString($params, ';');
}
/**
* Like parse_str(), but preserves dots in variable names.
*/
public static function parseQuery(string $query, bool $ignoreBrackets = false, string $separator = '&'): array
{
$q = [];
foreach (explode($separator, $query) as $v) {
if (false !== $i = strpos($v, "\0")) {
$v = substr($v, 0, $i);
}
if (false === $i = strpos($v, '=')) {
$k = urldecode($v);
$v = '';
} else {
$k = urldecode(substr($v, 0, $i));
$v = substr($v, $i);
}
if (false !== $i = strpos($k, "\0")) {
$k = substr($k, 0, $i);
}
$k = ltrim($k, ' ');
if ($ignoreBrackets) {
$q[$k][] = urldecode(substr($v, 1));
continue;
}
if (false === $i = strpos($k, '[')) {
$q[] = bin2hex($k).$v;
} else {
$q[] = bin2hex(substr($k, 0, $i)).rawurlencode(substr($k, $i)).$v;
}
}
if ($ignoreBrackets) {
return $q;
}
parse_str(implode('&', $q), $q);
$query = [];
foreach ($q as $k => $v) {
if (false !== $i = strpos($k, '_')) {
$query[substr_replace($k, hex2bin(substr($k, 0, $i)).'[', 0, 1 + $i)] = $v;
} else {
$query[hex2bin($k)] = $v;
}
}
return $query;
}
private static function groupParts(array $matches, string $separators, bool $first = true): array
{
$separator = $separators[0];
$partSeparators = substr($separators, 1);
$i = 0;
$partMatches = [];
$previousMatchWasSeparator = false;
foreach ($matches as $match) {
if (!$first && $previousMatchWasSeparator && isset($match['separator']) && $match['separator'] === $separator) {
$previousMatchWasSeparator = true;
$partMatches[$i][] = $match;
} elseif (isset($match['separator']) && $match['separator'] === $separator) {
$previousMatchWasSeparator = true;
++$i;
} else {
$previousMatchWasSeparator = false;
$partMatches[$i][] = $match;
}
}
$parts = [];
if ($partSeparators) {
foreach ($partMatches as $matches) {
$parts[] = self::groupParts($matches, $partSeparators, false);
}
} else {
foreach ($partMatches as $matches) {
$parts[] = self::unquote($matches[0][0]);
}
if (!$first && 2 < \count($parts)) {
$parts = [
$parts[0],
implode($separator, \array_slice($parts, 1)),
];
}
}
return $parts;
}
}
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