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DataTransport.php
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DataTransport.php
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<?php
/**
* Created by PhpStorm.
* User: abcdlzy
* Date: 14/12/3
* Time: 下午6:13
*
* build on https://github.com/cowboy/php-simple-proxy/
*/
class DataTransport
{
public static $response="";
public static $header="";
public static $errMsg="";
public static $CURL_enable_jsonp = false;
public static $CURL_enable_native = true;
public static $CURL_valid_url_regex = '/.*/';
public static $CURL_SendCookie="";
public static $CURL_SendSession="";
public static $CURL_mode="native";
public static $CURL_CallBack="";
public static $CURL_user_agent="";
public static $CURL_full_headers="1";
public static $CURL_full_status='1';
public static function go($url, $postdata='',$mode="native")
{
if(function_exists("curl_init")){
return self::Post_CURL($url, $postdata,$mode);
}
else
{
return self::Post_FILE_GET_CONTENTS($url, $postdata);
}
}
private static function Post_CURL($url, $postdata=null,$mode="native"){
self::$errMsg="";
self::$response="";
self::$header="";
if ( !$url ) {
// Passed url not specified.
$contents = 'ERROR: url not specified';
$status = array( 'http_code' => 'ERROR' );
} else if ( !preg_match( self::$CURL_valid_url_regex, $url ) ) {
// Passed url doesn't match $valid_url_regex.
$contents = 'ERROR: invalid url';
$status = array( 'http_code' => 'ERROR' );
} else {
$ch = curl_init( $url );
if ( $postdata!=null ) {
curl_setopt( $ch, CURLOPT_POST, true );
@curl_setopt( $ch, CURLOPT_POSTFIELDS, $postdata );
}
if ( self::$CURL_SendCookie ) {
$cookie = array();
foreach ( $_COOKIE as $key => $value ) {
$cookie[] = $key . '=' . $value;
}
if ( self::$CURL_SendSession ) {
$cookie[] = SID;
}
$cookie = implode( '; ', $cookie );
curl_setopt( $ch, CURLOPT_COOKIE, $cookie );
}
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_BINARYTRANSFER,true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Expect:"));
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt( $ch, CURLOPT_USERAGENT, self::$CURL_user_agent ? self::$CURL_user_agent : @$_SERVER['HTTP_USER_AGENT'] );
$getresponse = curl_exec($ch);
list( $header, $contents ) = preg_split( '/([\r\n][\r\n])\\1/', $getresponse, 2 );
if (curl_getinfo($ch, CURLINFO_HTTP_CODE) == '200') {
$headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
self::$header = substr($getresponse, 0, $headerSize);
Self::$response = substr($getresponse, $headerSize);
}
$status = curl_getinfo( $ch );
curl_close( $ch );
}
// Split header text into an array.
$header_text = preg_split( '/[\r\n]+/', $header );
if ( $mode == 'native') {
if ( !self::$CURL_enable_native) {
$contents = 'ERROR: invalid mode';
$status = array( 'http_code' => 'ERROR' );
}
// Propagate headers to response.
/* foreach ( $header_text as $header ) {
header( $header );
}
*/
return $contents;
} else {
// $data will be serialized into JSON data.
$data = array();
// Propagate all HTTP headers into the JSON data object.
if (self::$CURL_full_headers) {
$data['headers'] = array();
foreach ( $header_text as $header ) {
preg_match( '/^(.+?):\s+(.*)$/', $header, $matches );
if ( $matches ) {
$data['headers'][ $matches[1] ] = $matches[2];
}
}
}
// Propagate all cURL request / response info to the JSON data object.
if ( self::$CURL_full_status) {
$data['status'] = $status;
} else {
$data['status'] = array();
$data['status']['http_code'] = $status['http_code'];
}
// Set the JSON data object contents, decoding it from JSON if possible.
$decoded_json = json_decode( $contents );
$data['contents'] = $decoded_json ? $decoded_json : $contents;
// Generate appropriate content-type header.
$is_xhr = strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
header( 'Content-type: application/' . ( $is_xhr ? 'json' : 'x-javascript' ) );
// Get JSONP callback.
$jsonp_callback = self::$CURL_enable_jsonp && isset(self::$CURL_CallBack) ? self::$CURL_CallBack : null;
// Generate JSON/JSONP string
$json = json_encode( $data );
return $jsonp_callback ? "$jsonp_callback($json)" : $json;
}
}
private static function Post_FILE_GET_CONTENTS($url, $post = null)
{
$context = array();
if (is_array($post)) {
ksort($post);
$context['http'] = array (
'timeout'=>10,
'method' => 'POST',
'header' => 'Content-type: application/x-www-form-urlencoded',
'content' => http_build_query($post, '', '&'),
);
}
self::$response=file_get_contents($url, false, stream_context_create($context));
return self::$response;
}
}
?>