<?php
namespace Intervention\Image;
use GuzzleHttp\Psr7\Stream;
use Intervention\Image\Exception\NotReadableException;
use Psr\Http\Message\StreamInterface;
abstract class AbstractDecoder
{
/**
* Initiates new image from path in filesystem
*
* @param string $path
* @return \Intervention\Image\Image
*/
abstract public function initFromPath($path);
/**
* Initiates new image from binary data
*
* @param string $data
* @return \Intervention\Image\Image
*/
abstract public function initFromBinary($data);
/**
* Initiates new image from GD resource
*
* @param Resource $resource
* @return \Intervention\Image\Image
*/
abstract public function initFromGdResource($resource);
/**
* Initiates new image from Imagick object
*
* @param \Imagick $object
* @return \Intervention\Image\Image
*/
abstract public function initFromImagick(\Imagick $object);
/**
* Buffer of input data
*
* @var mixed
*/
private $data;
/**
* Creates new Decoder with data
*
* @param mixed $data
*/
public function __construct($data = null)
{
$this->data = $data;
}
/**
* Init from given URL
*
* @param string $url
* @return \Intervention\Image\Image
*/
public function initFromUrl($url)
{
$options = [
'http' => [
'method'=>"GET",
'protocol_version'=>1.1, // force use HTTP 1.1 for service mesh environment with envoy
'header'=>"Accept-language: en\r\n".
"User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36\r\n"
]
];
$context = stream_context_create($options);
if ($data = @file_get_contents($url, false, $context)) {
return $this->initFromBinary($data);
}
throw new NotReadableException(
"Unable to init from given url (".$url.")."
);
}
/**
* Init from given stream
*
* @param StreamInterface|resource $stream
* @return \Intervention\Image\Image
*/
public function initFromStream($stream)
{
if (!$stream instanceof StreamInterface) {
$stream = new Stream($stream);
}
try {
$offset = $stream->tell();
} catch (\RuntimeException $e) {
$offset = 0;
}
$shouldAndCanSeek = $offset !== 0 && $stream->isSeekable();
if ($shouldAndCanSeek) {
$stream->rewind();
}
try {
$data = $stream->getContents();
} catch (\RuntimeException $e) {
$data = null;
}
if ($shouldAndCanSeek) {
$stream->seek($offset);
}
if ($data) {
return $this->initFromBinary($data);
}
throw new NotReadableException(
"Unable to init from given stream"
);
}
/**
* Determines if current source data is GD resource
*
* @return boolean
*/
public function isGdResource()
{
if (is_resource($this->data)) {
return (get_resource_type($this->data) == 'gd');
}
if ($this->data instanceof \GdImage) {
return true;
}
return false;
}
/**
* Determines if current source data is Imagick object
*
* @return boolean
*/
public function isImagick()
{
return is_a($this->data, 'Imagick');
}
/**
* Determines if current source data is Intervention\Image\Image object
*
* @return boolean
*/
public function isInterventionImage()
{
return is_a($this->data, '\Intervention\Image\Image');
}
/**
* Determines if current data is SplFileInfo object
*
* @return boolean
*/
public function isSplFileInfo()
{
return is_a($this->data, 'SplFileInfo');
}
/**
* Determines if current data is Symfony UploadedFile component
*
* @return boolean
*/
public function isSymfonyUpload()
{
return is_a($this->data, 'Symfony\Component\HttpFoundation\File\UploadedFile');
}
/**
* Determines if current source data is file path
*
* @return boolean
*/
public function isFilePath()
{
if (is_string($this->data)) {
try {
return is_file($this->data);
} catch (\Exception $e) {
return false;
}
}
return false;
}
/**
* Determines if current source data is url
*
* @return boolean
*/
public function isUrl()
{
return (bool) filter_var($this->data, FILTER_VALIDATE_URL);
}
/**
* Determines if current source data is a stream resource
*
* @return boolean
*/
public function isStream()
{
if ($this->data instanceof StreamInterface) return true;
if (!is_resource($this->data)) return false;
if (get_resource_type($this->data) !== 'stream') return false;
return true;
}
/**
* Determines if current source data is binary data
*
* @return boolean
*/
public function isBinary()
{
if (is_string($this->data)) {
$mime = finfo_buffer(finfo_open(FILEINFO_MIME_TYPE), $this->data);
return (substr($mime, 0, 4) != 'text' && $mime != 'application/x-empty');
}
return false;
}
/**
* Determines if current source data is data-url
*
* @return boolean
*/
public function isDataUrl()
{
$data = $this->decodeDataUrl($this->data);
return is_null($data) ? false : true;
}
/**
* Determines if current source data is base64 encoded
*
* @return boolean
*/
public function isBase64()
{
if (!is_string($this->data)) {
return false;
}
return base64_encode(base64_decode($this->data)) === str_replace(["\n", "\r"], '', $this->data);
}
/**
* Initiates new Image from Intervention\Image\Image
*
* @param Image $object
* @return \Intervention\Image\Image
*/
public function initFromInterventionImage($object)
{
return $object;
}
/**
* Parses and decodes binary image data from data-url
*
* @param string $data_url
* @return string
*/
private function decodeDataUrl($data_url)
{
if (!is_string($data_url)) {
return null;
}
$pattern = "/^data:(?:image\/[a-zA-Z\-\.]+)(?:charset=\".+\")?;base64,(?P<data>.+)$/";
preg_match($pattern, str_replace(["\n", "\r"], '', $data_url), $matches);
if (is_array($matches) && array_key_exists('data', $matches)) {
return base64_decode($matches['data']);
}
return null;
}
/**
* Initiates new image from mixed data
*
* @param mixed $data
* @return \Intervention\Image\Image
*/
public function init($data)
{
$this->data = $data;
switch (true) {
case $this->isGdResource():
return $this->initFromGdResource($this->data);
case $this->isImagick():
return $this->initFromImagick($this->data);
case $this->isInterventionImage():
return $this->initFromInterventionImage($this->data);
case $this->isSplFileInfo():
return $this->initFromPath($this->data->getRealPath());
case $this->isBinary():
return $this->initFromBinary($this->data);
case $this->isUrl():
return $this->initFromUrl($this->data);
case $this->isStream():
return $this->initFromStream($this->data);
case $this->isDataUrl():
return $this->initFromBinary($this->decodeDataUrl($this->data));
case $this->isFilePath():
return $this->initFromPath($this->data);
// isBase64 has to be after isFilePath to prevent false positives
case $this->isBase64():
return $this->initFromBinary(base64_decode($this->data));
default:
throw new NotReadableException("Image source not readable");
}
}
/**
* Decoder object transforms to string source data
*
* @return string
*/
public function __toString()
{
return (string) $this->data;
}
}
About Section
NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.
FAQ Section
Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.
Download the app and sign up using your email or phone number, then complete the verification process.
Yes, we use advanced encryption and security protocols to protect your payment details.
Absolutely, you can link multiple debit or credit cards to your wallet.
Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.
Use the “Forgot PIN” feature in the app to reset it following the provided instructions.
Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.
Yes, you can view and track your payment status in the account dashboard