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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Filesystem\Driver;
use Magento\Framework\Exception\FileSystemException;
/**
* Origin filesystem driver. Allows interacting with http endpoint like with FileSystem
*/
class Http extends File
{
/**
* Scheme distinguisher
*
* @var string
*/
protected $scheme = 'http';
/**
* Checks if path exists
*
* @param string $path
* @return bool
*/
public function isExists($path)
{
$headers = array_change_key_case(get_headers($this->getScheme() . $path, 1), CASE_LOWER);
$status = $headers[0] ?? '';
/* Handling 301 or 302 redirection */
if (isset($headers[1]) && preg_match('/30[12]/', $status)) {
$status = $headers[1];
}
return !(strpos($status, '200 OK') === false);
}
/**
* Gathers the statistics of the given path
*
* @param string $path
* @return array
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
public function stat($path)
{
$headers = array_change_key_case(get_headers($this->getScheme() . $path, 1), CASE_LOWER);
$result = [
'dev' => 0,
'ino' => 0,
'mode' => 0,
'nlink' => 0,
'uid' => 0,
'gid' => 0,
'rdev' => 0,
'atime' => 0,
'ctime' => 0,
'blksize' => 0,
'blocks' => 0,
'size' => isset($headers['content-length']) ? $headers['content-length'] : 0,
'type' => isset($headers['content-type']) ? $headers['content-type'] : '',
'mtime' => isset($headers['last-modified']) ? $headers['last-modified'] : 0,
'disposition' => isset($headers['content-disposition']) ? $headers['content-disposition'] : null,
];
return $result;
}
/**
* Retrieve file contents from given path
*
* @param string $path
* @param string|null $flags
* @param resource|null $context
* @return string
* @throws FileSystemException
*/
public function fileGetContents($path, $flags = null, $context = null)
{
$fullPath = $this->getScheme() . $path;
clearstatcache(false, $fullPath);
$result = @file_get_contents($fullPath, $flags ?? false, $context);
if (false === $result) {
throw new FileSystemException(
new \Magento\Framework\Phrase(
'The contents from the "%1" file can\'t be read. %2',
[$path, $this->getWarningMessage()]
)
);
}
return $result;
}
/**
* Open file in given path
*
* @param string $path
* @param string $content
* @param string|null $mode
* @param resource|null $context
* @return int The number of bytes that were written
* @throws FileSystemException
*/
public function filePutContents($path, $content, $mode = null, $context = null)
{
$result = @file_put_contents($this->getScheme() . $path, $content, $mode, $context);
if ($result === false) {
throw new FileSystemException(
new \Magento\Framework\Phrase(
'The specified "%1" file couldn\'t be written. %2',
[$path, $this->getWarningMessage()]
)
);
}
return $result;
}
/**
* Open file
*
* @param string $path
* @param string $mode
* @return resource file
* @throws FileSystemException
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function fileOpen($path, $mode)
{
$urlProp = $this->parseUrl($this->getScheme() . $path);
if (false === $urlProp) {
throw new FileSystemException(
new \Magento\Framework\Phrase('The download URL is incorrect. Verify and try again.')
);
}
$hostname = $urlProp['host'];
$port = 80;
if (isset($urlProp['port'])) {
$port = (int)$urlProp['port'];
}
$path = '/';
if (isset($urlProp['path'])) {
$path = $urlProp['path'];
}
$query = '';
if (isset($urlProp['query'])) {
$query = '?' . $urlProp['query'];
}
$result = $this->open($hostname, $port);
$headers = 'GET ' .
$path .
$query .
' HTTP/1.0' .
"\r\n" .
'Host: ' .
$hostname .
"\r\n" .
'User-Agent: Magento' .
"\r\n" .
'Connection: close' .
"\r\n" .
"\r\n";
fwrite($result, $headers);
// trim headers
while (!feof($result)) {
$str = fgets($result, 1024);
if ($str == "\r\n") {
break;
}
}
return $result;
}
/**
* Reads the line content from file pointer (with specified number of bytes from the current position).
*
* @param resource $resource
* @param int $length
* @param string $ending [optional]
* @return string
* @throws FileSystemException
*/
public function fileReadLine($resource, $length, $ending = null)
{
try {
$result = @stream_get_line($resource, $length, $ending);
} catch (\Exception $e) {
throw new FileSystemException(
new \Magento\Framework\Phrase('Stream get line failed %1', [$e->getMessage()])
);
}
return $result;
}
/**
* Get absolute path
*
* @param string $basePath
* @param string $path
* @param string|null $scheme
* @return string
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function getAbsolutePath($basePath, $path, $scheme = null)
{
// check if the path given is already an absolute path containing the
// basepath. so if the basepath starts at position 0 in the path, we
// must not concatinate them again because path is already absolute.
if (0 === strpos((string)$path, (string)$basePath)) {
return $this->getScheme() . $path;
}
return $this->getScheme() . $basePath . $path;
}
/**
* Return path with scheme
*
* @param null|string $scheme
* @return string
*/
protected function getScheme($scheme = null)
{
$scheme = $scheme ?: $this->scheme;
return $scheme ? $scheme . '://' : '';
}
/**
* Open a url
*
* @param string $hostname
* @param int $port
* @throws \Magento\Framework\Exception\FileSystemException
* @return resource|bool
*/
protected function open($hostname, $port)
{
$result = @fsockopen($hostname, $port, $errorNumber, $errorMessage);
if ($result === false) {
throw new FileSystemException(
new \Magento\Framework\Phrase(
'Something went wrong while connecting to the host. Error#%1 - %2.',
[$errorNumber, $errorMessage]
)
);
}
return $result;
}
/**
* Parse a http url
*
* @param string $path
* @return array
*/
protected function parseUrl($path)
{
return parse_url($path);
}
}