%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
if ( ! function_exists( 'rplg_urlopen' ) ) {
define( 'RPLG_USER_AGENT', 'RPLG-WPPlugin/1.0' );
define( 'RPLG_SOCKET_TIMEOUT', 10 );
function rplg_json_decode( $data ) {
return json_decode( $data );
}
function rplg_json_urlopen( $url, $postdata = false, $headers = array() ) {
if ( ! ( $response = rplg_urlopen( $url, $postdata, $headers ) ) || ! $response['code'] ) {
// $this->last_error = 'COULDNT_CONNECT';
return false;
}
return rplg_json_decode( $response['data'] );
}
function rplg_urlopen( $url, $postdata = false, $headers = array() ) {
$response = array(
'data' => '',
'code' => 0,
);
$url = preg_replace( '/\s+/', '+', $url );
if ( function_exists( 'curl_init' ) ) {
if ( ! function_exists( 'curl_setopt_array' ) ) {
function curl_setopt_array( &$ch, $curl_options ) {
foreach ( $curl_options as $option => $value ) {
if ( ! curl_setopt( $ch, $option, $value ) ) {
return false;
}
}
return true;
}
}
_rplg_curl_urlopen( $url, $postdata, $headers, $response );
} elseif ( ini_get( 'allow_url_fopen' ) && function_exists( 'stream_get_contents' ) ) {
_rplg_fopen_urlopen( $url, $postdata, $headers, $response );
} else {
_rplg_fsockopen_urlopen( $url, $postdata, $headers, $response );
}
return $response;
}
/*-------------------------------- curl --------------------------------*/
function _rplg_curl_urlopen( $url, $postdata, $headers, &$response ) {
$c = curl_init( $url );
if ( ! $c ) {
return false; // Handle the error if curl_init fails
}
$postdata_str = rplg_get_query_string( $postdata );
$c_options = array(
CURLOPT_USERAGENT => RPLG_USER_AGENT,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POST => ( $postdata_str ? 1 : 0 ),
CURLOPT_HEADER => true,
CURLOPT_HTTPHEADER => array_merge( array( 'Expect:' ), $headers ),
CURLOPT_TIMEOUT => RPLG_SOCKET_TIMEOUT,
);
if ( $postdata ) {
$c_options[ CURLOPT_POSTFIELDS ] = $postdata_str;
}
curl_setopt_array( $c, $c_options );
$open_basedir = ini_get( 'open_basedir' );
if ( empty( $open_basedir ) ) {
curl_setopt( $c, CURLOPT_FOLLOWLOCATION, true );
}
curl_setopt( $c, CURLOPT_SSL_VERIFYPEER, false );
$data = curl_exec( $c );
if ( $data === false ) {
curl_close( $c );
return false; // Handle the error if curl_exec fails
}
// cURL automatically handles Proxy rewrites, remove the "HTTP/1.0 200 Connection established" string
if ( stripos( $data, "HTTP/1.0 200 Connection established\r\n\r\n" ) !== false ) {
$data = str_ireplace( "HTTP/1.0 200 Connection established\r\n\r\n", '', $data );
}
$parts = explode( "\r\n\r\n", $data, 2 );
if ( ! isset( $parts[0] ) || empty( $parts[0] ) ) {
curl_close( $c );
return false;
}
$resp_headers = $parts[0];
$response['data'] = $parts[1];
$response['headers'] = _rplg_get_response_headers( $resp_headers, $response );
$response['code'] = curl_getinfo( $c, CURLINFO_HTTP_CODE );
curl_close( $c );
return $response;
}
/*-------------------------------- fopen --------------------------------*/
function _rplg_fopen_urlopen( $url, $postdata, $headers, &$response ) {
$params = array();
if ( $postdata ) {
$params = array(
'http' => array(
'method' => 'POST',
'header' => implode( "\r\n", array_merge( array( 'Content-Type: application/x-www-form-urlencoded' ), $headers ) ),
'content' => rplg_get_query_string( $postdata ),
'timeout' => RPLG_SOCKET_TIMEOUT,
),
);
} else {
$params = array(
'http' => array(
'header' => implode( "\r\n", $headers ),
),
);
}
ini_set( 'user_agent', RPLG_USER_AGENT );
$ctx = stream_context_create( $params );
$fp = fopen( $url, 'rb', false, $ctx );
if ( ! $fp ) {
return false; }
$response_header_array = explode( ' ', $http_response_header[0], 3 );
$unused = $response_header_array[0];
$response['code'] = $response_header_array[0];
$unused = $response_header_array[2];
$resp_headers = array_slice( $http_response_header, 1 );
foreach ( $resp_headers as $unused => $header ) {
$header = explode( ':', $header );
$header[0] = trim( $header[0] );
$header[1] = trim( $header[1] );
$resp_headers[ strtolower( $header[0] ) ] = strtolower( $header[1] );
}
$response['data'] = stream_get_contents( $fp );
$response['headers'] = $resp_headers;
}
/*-------------------------------- fsockpen --------------------------------*/
function _rplg_fsockopen_urlopen( $url, $postdata, $headers, &$response ) {
$buf = '';
$req = '';
$length = 0;
$postdata_str = rplg_get_query_string( $postdata );
$url_pieces = parse_url( $url );
if ( !isset( $url_pieces['host'] ) ) {
return false; // Return false if the URL is invalid
}
$host = $url_pieces['host'];
if ( !isset( $url_pieces['port'] ) ) {
switch ( $url_pieces['scheme'] ) {
case 'http':
$url_pieces['port'] = 80;
break;
case 'https':
$url_pieces['port'] = 443;
$host = 'ssl://' . $url_pieces['host'];
break;
default:
return false; // Return false if the scheme is unsupported
}
}
$url_pieces['path'] = $url_pieces['path'] ?? '/';
$req_host = ( $url_pieces['port'] == 80 && $url_pieces['scheme'] == 'http' ) ||
( $url_pieces['port'] == 443 && $url_pieces['scheme'] == 'https' ) ?
$url_pieces['host'] : $url_pieces['host'] . ':' . $url_pieces['port'];
$fp = @fsockopen( $host, $url_pieces['port'], $errno, $errstr, RPLG_SOCKET_TIMEOUT );
if ( !$fp ) {
return false; // Handle error if fsockopen fails
}
$path = $url_pieces['path'] . ( isset( $url_pieces['query'] ) ? '?' . $url_pieces['query'] : '' );
$req .= ( $postdata_str ? 'POST' : 'GET' ) . " $path HTTP/1.1\r\n";
$req .= "Host: $req_host\r\n";
$req .= rplg_get_http_headers_for_request( $postdata_str, $headers );
if ( $postdata_str ) {
$req .= "\r\n\r\n" . $postdata_str;
}
$req .= "\r\n\r\n";
fwrite( $fp, $req );
while ( !feof( $fp ) ) {
$buf .= fgets( $fp, 4096 );
}
fclose( $fp ); // Close the connection after reading
$parts = explode( "\r\n\r\n", $buf, 2 );
if ( !isset( $parts[1] ) ) {
return false; // Handle case where response body is missing
}
$headers = _rplg_get_response_headers( $parts[0], $response );
$response['data'] = $parts[1];
if ( isset( $headers['transfer-encoding'] ) && strtolower( $headers['transfer-encoding'] ) === 'chunked' ) {
$chunk_data = $response['data'];
$joined_data = '';
while ( true ) {
list( $chunk_length, $chunk_data ) = explode( "\r\n", $chunk_data, 2 );
$chunk_length = hexdec( $chunk_length );
if ( !$chunk_length || !strlen( $chunk_data ) ) {
break;
}
$joined_data .= substr( $chunk_data, 0, $chunk_length );
$chunk_data = substr( $chunk_data, $chunk_length + 2 ); // Add 2 for \r\n after chunk
$length += $chunk_length;
}
$response['data'] = $joined_data;
} else {
$length = $headers['content-length'] ?? strlen( $response['data'] );
}
$response['headers'] = $headers;
return true; // Return true to indicate success
}
/*-------------------------------- helpers --------------------------------*/
function rplg_get_query_string( $params ) {
$query = '';
if ( $params ) {
foreach ( $params as $key => $value ) {
$query .= urlencode( $key ) . '=' . urlencode( $value ) . '&';
}
}
return $query;
}
function _rplg_get_response_headers( $headers, &$response ) {
$headers = explode( "\r\n", $headers );
$header_array = explode( ' ', $headers[0], 3 );
$unused = $header_array[0];
$response['code'] = $header_array[1];
$unused = $header_array[2];
$headers = array_slice( $headers, 1 );
foreach ( $headers as $unused => $header ) {
$header = explode( ':', $header );
$header[0] = trim( $header[0] );
$header[1] = trim( $header[1] );
$headers[ strtolower( $header[0] ) ] = $header[1];
}
return $headers;
}
function rplg_get_http_headers_for_request( $content, $headers ) {
$req_headers = array();
$req_headers[] = 'User-Agent: ' . RPLG_USER_AGENT;
$req_headers[] = 'Connection: close';
if ( $content ) {
$req_headers[] = 'Content-Length: ' . strlen( $content );
$req_headers[] = 'Content-Type: application/x-www-form-urlencoded';
}
return implode( "\r\n", array_merge( $req_headers, $headers ) );
}
function rplg_url_method() {
if ( function_exists( 'curl_init' ) ) {
return 'curl';
} elseif ( ini_get( 'allow_url_fopen' ) && function_exists( 'stream_get_contents' ) ) {
return 'fopen';
} else {
return 'fsockopen';
}
}
}
Zerion Mini Shell 1.0