<?php
/**
* Class that handles operations involving percent-encoding in URIs.
*
* @warning
* Be careful when reusing instances of PercentEncoder. The object
* you use for normalize() SHOULD NOT be used for encode(), or
* vice-versa.
*/
class HTMLPurifier_PercentEncoder
{
/**
* Reserved characters to preserve when using encode().
* @type array
*/
protected $preserve = array();
/**
* String of characters that should be preserved while using encode().
* @param bool $preserve
*/
public function __construct($preserve = false)
{
// unreserved letters, ought to const-ify
for ($i = 48; $i <= 57; $i++) { // digits
$this->preserve[$i] = true;
}
for ($i = 65; $i <= 90; $i++) { // upper-case
$this->preserve[$i] = true;
}
for ($i = 97; $i <= 122; $i++) { // lower-case
$this->preserve[$i] = true;
}
$this->preserve[45] = true; // Dash -
$this->preserve[46] = true; // Period .
$this->preserve[95] = true; // Underscore _
$this->preserve[126]= true; // Tilde ~
// extra letters not to escape
if ($preserve !== false) {
for ($i = 0, $c = strlen($preserve); $i < $c; $i++) {
$this->preserve[ord($preserve[$i])] = true;
}
}
}
/**
* Our replacement for urlencode, it encodes all non-reserved characters,
* as well as any extra characters that were instructed to be preserved.
* @note
* Assumes that the string has already been normalized, making any
* and all percent escape sequences valid. Percents will not be
* re-escaped, regardless of their status in $preserve
* @param string $string String to be encoded
* @return string Encoded string.
*/
public function encode($string)
{
$ret = '';
for ($i = 0, $c = strlen($string); $i < $c; $i++) {
if ($string[$i] !== '%' && !isset($this->preserve[$int = ord($string[$i])])) {
$ret .= '%' . sprintf('%02X', $int);
} else {
$ret .= $string[$i];
}
}
return $ret;
}
/**
* Fix up percent-encoding by decoding unreserved characters and normalizing.
* @warning This function is affected by $preserve, even though the
* usual desired behavior is for this not to preserve those
* characters. Be careful when reusing instances of PercentEncoder!
* @param string $string String to normalize
* @return string
*/
public function normalize($string)
{
if ($string == '') {
return '';
}
$parts = explode('%', $string);
$ret = array_shift($parts);
foreach ($parts as $part) {
$length = strlen($part);
if ($length < 2) {
$ret .= '%25' . $part;
continue;
}
$encoding = substr($part, 0, 2);
$text = substr($part, 2);
if (!ctype_xdigit($encoding)) {
$ret .= '%25' . $part;
continue;
}
$int = hexdec($encoding);
if (isset($this->preserve[$int])) {
$ret .= chr($int) . $text;
continue;
}
$encoding = strtoupper($encoding);
$ret .= '%' . $encoding . $text;
}
return $ret;
}
}
// vim: et sw=4 sts=4
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