<?php
/**
* @version 1.0
* @package aurasoft.co.kr
* @copyright © 2008 aurasoft.co.kr
* @author Jae Hak Jung <jhjung@aurasoft.co.kr>
*/
/**
* Curl based HTTP Client
* Simple but effective OOP wrapper around Curl php lib.
* Contains common methods needed
* for getting data from url, setting referrer, credentials,
* sending post data, managing cookies, etc.
*
* Samle usage:
* $curl = &new Curl_HTTP_Client();
* $useragent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
* $curl->set_user_agent($useragent);
* $curl->store_cookies("/tmp/cookies.txt");
* $post_data = array('login' => 'pera', 'password' => 'joe');
* $html_data = $curl->send_post_data(http://www.foo.com/login.php, $post_data);
*/
class XPayClient
{
/**
* Curl handler
* @access private
* @var resource
*/
var $ch;
/**
* set debug to true in order to get usefull output
* @access private
* @var string
*/
var $debug = false;
var $bTest = false;
/**
* Contain last error message if error occured
* @access private
* @var string
*/
var $error_msg;
var $home_dir;
var $mode;
var $TX_ID;
var $MID;
var $Auth_Code;
var $config;
var $Post = array();
var $response_json;
var $response_array;
var $response_code;
var $response_msg;
var $log_file;
var $err_label = array("FATAL", "ERROR", "WARN ", "INFO ", "DEBUG");
/**
* Curl_HTTP_Client constructor
* @param boolean debug
* @access public
*/
function XPayClient($home_dir, $mode="real", $mid, $mertkey)
{
// for php4 JSON
if ( !function_exists('json_decode') ){
function json_decode($content, $assoc=false){
require_once 'JSON.php';
if ( $assoc ){
$json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
} else {
$json = new Services_JSON;
}
return $json->decode($content);
}
}
define("LGD_USER_AGENT", "XPayClient (1.1/PHP)");
define("LGD_LOG_FATAL", 0);
define("LGD_LOG_ERROR", 1);
define("LGD_LOG_WARN", 2);
define("LGD_LOG_INFO", 3);
define("LGD_LOG_DEBUG", 4);
define("LGD_ERR_NO_HOME_DIR", "10001");
define("LGD_ERR_NO_MALL_CONFIG", "10002");
define("LGD_ERR_NO_LGDACOM_CONFIG", "10003");
define("LGD_ERR_NO_MID", "10004");
define("LGD_ERR_OUT_OF_MEMORY", "10005");
define("LGD_ERR_HTTP_URL", "20001");
define("LGD_ERR_RESOLVE_HOST", "20002");
define("LGD_ERR_RESOLVE_PROXY", "20003");
define("LGD_ERR_CONNECT", "20004");
define("LGD_ERR_WRITE", "20005");
define("LGD_ERR_READ", "20006");
define("LGD_ERR_SEND", "20007");
define("LGD_ERR_RECV", "20008");
define("LGD_ERR_TIMEDOUT", "20009");
define("LGD_ERR_SSL", "20101");
define("LGD_ERR_CURL", "20201");
define("LGD_ERR_JSON_DECODE", "40001");
session_start();
$this->home_dir = $home_dir;
// check directory and config files
if (!file_exists($home_dir)) {
$this->response_code = LGD_ERR_NO_HOME_DIR;
$this->response_msg = "home_dir [".$home_dir."] does not exist";
trigger_error($this->response_msg, E_USER_ERROR);
}
else if (!file_exists($home_dir."/conf/mall.conf")) {
$this->response_code = LGD_ERR_NO_MALL_CONFIG;
$this->response_msg = "config file [".$home_dir."/conf/mall.conf] does not exist";
trigger_error($this->response_msg, E_USER_ERROR);
}
else if (!file_exists($home_dir."/conf/lgdacom.conf")) {
$this->response_code = LGD_ERR_NO_LGDACOM_CONFIG;
$this->response_msg = "config file [".$home_dir."/conf/lgdacom.conf] does not exist";
trigger_error($this->response_msg, E_USER_ERROR);
}
$array1 = parse_ini_file($home_dir . "/conf/mall.conf");
$array2 = parse_ini_file($home_dir . "/conf/lgdacom.conf");
$array3 = array($mid => $mertkey);
$this->config = $array1 + $array2 + $array3;
$this->log_file = $this->config["log_dir"] . "/log_" . date("Ymd") . '_' . substr(md5(mt_rand()), 0, 12) . ".log";
// make log directory if does not exist
if (!file_exists($this->config["log_dir"])) {
mkdir($this->config["log_dir"], "0777", true);
}
$this->log("XPayClient initialize [".$home_dir."] [".$mode."]", LGD_LOG_INFO);
foreach($this->config as $name => $value)
$this->log("Config [".$name."] = [".$value."]", LGD_LOG_DEBUG);
if (strtolower($mode) == "test") {
$this->bTest = true;
$this->debug = false;
}
$this->init();
}
/**
* Init Curl session
* @access public
*/
function init()
{
// initialize curl handle
$this->ch = curl_init();
//set various options
// set user agent string for sending client version string
curl_setopt($this->ch, CURLOPT_USERAGENT, LGD_USER_AGENT);
//set error in case http return code bigger than 300
//curl_setopt($this->ch, CURLOPT_FAILONERROR, true);
// allow redirects
curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, true);
// use gzip if possible
curl_setopt($this->ch, CURLOPT_ENCODING , 'gzip, deflate');
// do not veryfy ssl
// this is important for windows
// as well for being able to access pages with non valid cert
if ($this->config["verify_cert"] == 0) {
curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 0);
$this->log("Do not verify server Certificate", LGD_LOG_WARN);
}
// do not verify host name
//
if ($this->config["verify_host"] == 0) {
curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 0);
$this->log("Do not verify host Domain", LGD_LOG_WARN);
}
curl_setopt($this->ch, CURLOPT_CAINFO, $this->home_dir."/conf/ca-bundle.crt");
}
function Init_TX($MID)
{
if ($this->config[$MID] == null) {
$this->response_code = LGD_ERR_NO_MID;
$this->response_msg = "Key for MID [".$MID."] does not exist in mall.conf";
$this->log($this->response_msg, LGD_LOG_FATAL);
return false;
}
$this->TX_ID = $this->Gen_TX_ID($MID);
$this->MID = $MID;
$this->Auth_Code = $this->Gen_Auth_Code($this->TX_ID, $MID);
$this->Post = array("LGD_TXID" => $this->TX_ID,
"LGD_AUTHCODE" => $this->Auth_Code,
"LGD_MID" => $MID);
return true;
}
function Get_Unique()
{
if(isset($_SESSION['tx_counter']))
$_SESSION['tx_counter'] = $_SESSION['tx_counter'] + 1;
else
$_SESSION['tx_counter'] = 1;
// $this->log("session id = ".session_id().$_SESSION['tx_counter'], LGD_LOG_FATAL);
return session_id().$_SESSION['tx_counter'];
}
function Gen_TX_ID($MID)
{
$now = date("YmdHis");
$header = $MID . "-" . $this->config['server_id'] . $now;
$tx_id = $header . sha1($header.$this->Get_Unique());
return $tx_id;
}
function Gen_Auth_Code($tx_id, $MID)
{
$auth_code = sha1($tx_id . $this->config[$MID]);
return $auth_code;
}
function Set($name, $value)
{
$this->Post[$name] = $value;
}
function Check_Auto_Rollback($errno)
{
if ($errno == 28) //CURLE_OPERATION_TIMEDOUT
return true;
return false;
}
function set_curl_error()
{
switch (curl_errno($this->ch)) {
case 1: // CURLE_UNSUPPORTED_PROTOCOL:
case 3: // CURLE_URL_MALFORMAT:
$this->response_code = LGD_ERR_HTTP_URL;
$this->response_msg = "URL error";
break;
case 6: // CURLE_COULDNT_RESOLVE_HOST:
$this->response_code = LGD_ERR_RESOLVE_HOST;
$this->response_msg = "Resolve host error";
break;
case 5: // CURLE_COULDNT_RESOLVE_PROXY:
$this->response_code = LGD_ERR_RESOLVE_PROXY;
$this->response_msg = "Resolve proxy error";
break;
case 7: // CURLE_COULDNT_CONNECT:
$this->response_code = LGD_ERR_CONNECT;
$this->response_msg = "Could not connect error";
break;
case 23: // CURLE_WRITE_ERROR:
$this->response_code = LGD_ERR_WRITE;
$this->response_msg = "Write error";
break;
case 26: // CURLE_READ_ERROR:
$this->response_code = LGD_ERR_READ;
$this->response_msg = "Read error";
break;
case 55: // CURLE_SEND_ERROR:
$this->response_code = LGD_ERR_SEND;
$this->response_msg = "Send error";
break;
case 56: // CURLE_RECV_ERROR:
$this->response_code = LGD_ERR_RECV;
$this->response_msg = "Recv error";
break;
case 27: // CURLE_OUT_OF_MEMORY:
$this->response_code = LGD_ERR_OUT_OF_MEMORY;
$this->response_msg = "Out of memory error";
break;
case 28: // CURLE_OPERATION_TIMEDOUT :
$this->response_code = LGD_ERR_TIMEDOUT;
$this->response_msg = "Timeout error";
break;
case 35: // CURLE_SSL_CONNECT_ERROR:
case 51: // CURLE_PEER_FAILED_VERIFICATION:
case 53: // CURLE_SSL_ENGINE_NOTFOUND:
case 54: // CURLE_SSL_ENGINE_SETFAILED:
case 58: // CURLE_SSL_CERTPROBLEM:
case 59: // CURLE_SSL_CIPHER:
case 60: // CURLE_SSL_CACERT:
case 64: // CURLE_USE_SSL_FAILED:
case 66: // CURLE_SSL_ENGINE_INITFAILED:
case 77: // CURLE_SSL_CACERT_BADFILE:
case 80: // CURLE_SSL_SHUTDOWN_FAILED:
case 82: // CURLE_SSL_CRL_BADFILE:
case 83: // CURLE_SSL_ISSUER_ERROR:
$this->response_code = LGD_ERR_SSL;
$this->response_msg = "SSL error";
break;
default:
$this->response_code = LGD_ERR_CURL;
$this->response_msg = "CURL error";
break;
}
$this->response_msg .= "; cURL error code = ".curl_errno($this->ch)." msg = ".curl_error($this->ch);
}
function TX($bRollbackOnError = true)
{
$bTX = true;
$bRollback = false;
$strRollbackReason = "";
$bReporting = false;
$strReportStatus = "";
$strReportMsg = "";
if ($bRollbackOnError) {
if ($this->config['auto_rollback'] == 0)
$bRollbackOnError = false;
}
if ($this->bTest)
$url = $this->config['test_url'];
else
$url = $this->config['url'];
$result = $this->send_post_data($url, $this->Post, null, $this->config['timeout']);
if ($result == false) {
$bTX = false;
$this->set_curl_error();
$this->log("TX failed: res code = ".$this->response_code."; msg = ". $this->response_msg, LGD_LOG_FATAL);
if ($bRollbackOnError && $this->Check_Auto_Rollback(curl_errno($this->ch))) {
$bRollback = true;
$strRollbackReason = "Timeout";
}
}
else {
$http_res_code = curl_getinfo($this->ch, CURLINFO_HTTP_CODE);
if ($http_res_code < 200 || $http_res_code >= 300) {
// http response error
$bTX = false;
$this->response_code = "".(30000 + $http_res_code);
$this->response_msg = "HTTP response code = ".$http_res_code;
$this->log("TX failed: res code = ".$this->response_code."; msg = ". $this->response_msg, LGD_LOG_FATAL);
// report
$bReporting = true;
$strReportStatus = "HTTP response ".$http_res_code;
$strReportMsg = $result;
if ($bRollbackOnError && $http_res_code >= 500) {
// rollback
$bRollback = true;
$strRollbackReason = "HTTP ".$http_res_code;
}
}
else {
$this->log("Result = [".$result."]", LGD_LOG_DEBUG);
$this->response_json = $result;
$this->response_array = json_decode($this->response_json, true);
if (($this->response_array == false) || (strlen($this->response_array["LGD_RESPCODE"]) == 0)) {
// JSON decode failed
$bTX = false;
$bReporting = true;
$strReportStatus = "JSON decode fail";
$strReportMsg = $result;
if ($bRollbackOnError) {
$bRollback = true;
$strRollbackReason = "JSON decode fail";
}
$this->log("JSON Decode failed", LGD_LOG_ERROR);
$this->response_array = array();
$this->response_code = LGD_ERR_JSON_DECODE;
$this->response_msg = "JSON Decode Failed";
}
else {
$this->response_code = $this->response_array["LGD_RESPCODE"];
if ($this->config['output_UTF8'] == 1)
$this->response_msg = $this->response_array["LGD_RESPMSG"];
else
$this->response_msg = iconv("utf-8", "euc-kr", $this->response_array["LGD_RESPMSG"]);
$this->log("Response Code=[".$this->response_code."], Msg=[".iconv("utf-8", "euc-kr", $this->response_array["LGD_RESPMSG"])."], Count=".$this->Response_Count(), LGD_LOG_INFO);
$keys = $this->Response_Names();
for ($i = 0; $i < $this->Response_Count(); $i++) {
foreach($keys as $name) {
$this->log("Response (".$name.", ".$i.") = ".$this->Response($name, $i), LGD_LOG_DEBUG);
}
}
}
}
}
if ($bRollback) {
// try auto-rollback
$tx_id = $this->TX_ID;
$code = $this->response_code;
$msg = $this->response_msg;
$this->init();
$this->Rollback($strRollbackReason);
// restore previous info
$this->TX_ID = $tx_id;
$this->response_code = $code;
$this->response_msg = $msg;
}
if ($bReporting) {
$this->Report($strReportStatus, $strReportMsg);
}
return $bTX;
}
function Report_TX()
{
$url = $this->config['aux_url'];
$result = $this->send_post_data($url, $this->Post, null, $this->config['timeout']);
if ($result == false) {
set_curl_error();
$this->log("Reporting failed: res code = ".$this->response_code."; msg = ". $this->response_msg, LGD_LOG_ERROR);
return false;
}
$http_res_code = curl_getinfo($this->ch, CURLINFO_HTTP_CODE);
if ($http_res_code < 200 || $http_res_code >= 300) {
// http response error
$this->log("Reporting failed: HTTP response code = ".$http_res_code, LGD_LOG_ERROR);
return false;
}
$this->log("Reporting result = [".$result."]", LGD_LOG_DEBUG);
$response_array = json_decode($result, true);
if ($response_array == false) {
// JSON decode failed
$this->log("Report JSON Decode failed", LGD_LOG_ERROR);
return false;
}
$response_code = $response_array["LGD_RESPCODE"];
$response_msg = iconv("utf-8", "euc-kr", $response_array["LGD_RESPMSG"]);
$this->log("Report Response Code=[".$response_code."], Msg=[".$response_msg."]", LGD_LOG_INFO);
return true;
}
function Patch_TX($filename)
{
$url = $this->config['aux_url'];
$tmp_file = tempnam($this->home_dir."/conf", "tmp");
$fp = fopen($tmp_file, "w");
$result = $this->post_into_file($url, $this->Post, $fp, null, $this->config['timeout']);
fclose($fp);
if ($result == false) {
unlink($tmp_file);
$this->log("Patch failed: file = ".$filename, LGD_LOG_ERROR);
return false;
}
else {
$this->log("Patch success: file = ".$filename, LGD_LOG_INFO);
$type = curl_getinfo($this->ch, CURLINFO_CONTENT_TYPE);
if (strncasecmp($type, "text/plain", 10) == 0) {
$this->log("Patch success: Content-Type = ".$type, LGD_LOG_INFO);
copy($tmp_file, $this->home_dir."/conf/".$filename);
unlink($tmp_file);
return true;
}
else {
// error
$fp = fopen($tmp_file, "r");
$content = fread($fp, 512);
$this->Report("Patch error : ".$filename, $content);
fclose($fp);
unlink($tmp_file);
}
return false;
}
}
function Rollback($reason)
{
$RBTX = $this->TX_ID;
$this->Init_TX($this->MID);
$this->Set("LGD_TXNAME", "Rollback");
$this->Set("LGD_RB_TXID", $RBTX);
$this->Set("LGD_RB_REASON", $reason);
if ($this->TX(false) == false)
return false;
if ($this->response_code == "0000")
return true;
return false;
}
function Report($status, $msg)
{
if ($this->config['report_error'] != 1)
return false;
$this->Init_TX($this->MID);
$this->Set("LGD_TXNAME", "Report");
$this->Set("LGD_STATUS", $status);
$this->Set("LGD_MSG", $msg);
return $this->Report_TX();
}
function Patch($filename)
{
$this->Init_TX($this->MID);
$this->Set("LGD_TXNAME", "Patch");
$this->Set("LGD_FILE", $filename);
return $this->Patch_TX($filename);
}
function Response_Json()
{
return ($this->response_json);
}
function Response_Count()
{
if ($this->response_array["LGD_RESPONSE"] == null)
return 0;
return count($this->response_array["LGD_RESPONSE"]);
}
function Response_Code()
{
return ($this->response_code);
}
function Response_Msg()
{
return ($this->response_msg);
}
function Response_Names()
{
if ($this->Response_Count() == 0)
return null;
return array_keys($this->response_array["LGD_RESPONSE"][0]);
}
function Response($name, $index=0)
{
if ($this->config['output_UTF8'] == 1)
return ($this->response_array["LGD_RESPONSE"][$index][$name]);
else
return (iconv("utf-8", "euc-kr", $this->response_array["LGD_RESPONSE"][$index][$name]));
}
function Log($msg, $level=LGD_LOG_FATAL)
{
if( !(defined('LGD_LOG_SAVE') && LGD_LOG_SAVE) ){
return;
}
if ($level > $this->config["log_level"])
return;
$err_msg = date("Y-m-d H:i:s")." [".$this->err_label[$level]."] [".$this->TX_ID."] ".$msg."\n";
error_log($err_msg, 3, $this->log_file);
}
/**
* Set username/pass for basic http auth
* @param string user
* @param string pass
* @access public
*/
function set_credentials($username,$password)
{
curl_setopt($this->ch, CURLOPT_USERPWD, "$username:$password");
}
/**
* Set referrer
* @param string referrer url
* @access public
*/
function set_referrer($referrer_url)
{
curl_setopt($this->ch, CURLOPT_REFERER, $referrer_url);
}
/**
* Set client's useragent
* @param string user agent
* @access public
*/
function set_user_agent($useragent)
{
curl_setopt($this->ch, CURLOPT_USERAGENT, $useragent);
}
/**
* Set to receive output headers in all output functions
* @param boolean true to include all response headers with output, false otherwise
* @access public
*/
function include_response_headers($value)
{
curl_setopt($this->ch, CURLOPT_HEADER, $value);
}
/**
* Set proxy to use for each curl request
* @param string proxy
* @access public
*/
function set_proxy($proxy)
{
curl_setopt($this->ch, CURLOPT_PROXY, $proxy);
}
/**
* Send post data to target URL
* return data returned from url or false if error occured
* @param string url
* @param mixed post data (assoc array ie. $foo['post_var_name'] = $value or as string like var=val1&var2=val2)
* @param string ip address to bind (default null)
* @param int timeout in sec for complete curl operation (default 10)
* @return string data
* @access public
*/
function send_post_data($url, $postdata, $ip=null, $timeout=10)
{
//set various curl options first
// set url to post to
curl_setopt($this->ch, CURLOPT_URL, $url);
// return into a variable rather than displaying it
curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);
//bind to specific ip address if it is sent trough arguments
if ($ip)
{
if($this->debug)
{
echo "Binding to ip $ip\n";
}
curl_setopt($this->ch, CURLOPT_INTERFACE, $ip);
}
//set curl function timeout to $timeout
curl_setopt($this->ch, CURLOPT_TIMEOUT, $timeout);
//set method to post
curl_setopt($this->ch, CURLOPT_POST, true);
//generate post string
$post_array = array();
if(is_array($postdata))
{
foreach($postdata as $key=>$value)
{
$post_array[] = urlencode($key) . "=" . urlencode($value);
$this->log("Post [".$key."] = [".$value."]", LGD_LOG_DEBUG);
}
$post_string = implode("&",$post_array);
if($this->debug)
{
echo "Url: $url\nPost String: $post_string\n";
}
}
else
{
$post_string = $postdata;
}
$this->log("post_string = ".$post_string, LGD_LOG_DEBUG);
// set post string
curl_setopt($this->ch, CURLOPT_POSTFIELDS, $post_string);
//and finally send curl request
$result = curl_exec($this->ch);
if(curl_errno($this->ch))
{
if($this->debug)
{
echo "Error Occured in Curl\n";
echo "Error number: " .curl_errno($this->ch) ."\n";
echo "Error message: " .curl_error($this->ch)."\n";
}
return false;
}
else
{
return $result;
}
}
/**
* fetch data from target URL
* return data returned from url or false if error occured
* @param string url
* @param string ip address to bind (default null)
* @param int timeout in sec for complete curl operation (default 5)
* @return string data
* @access public
*/
function fetch_url($url, $ip=null, $timeout=5)
{
// set url to post to
curl_setopt($this->ch, CURLOPT_URL,$url);
//set method to get
curl_setopt($this->ch, CURLOPT_HTTPGET,true);
// return into a variable rather than displaying it
curl_setopt($this->ch, CURLOPT_RETURNTRANSFER,true);
//bind to specific ip address if it is sent trough arguments
if($ip)
{
if($this->debug)
{
echo "Binding to ip $ip\n";
}
curl_setopt($this->ch,CURLOPT_INTERFACE,$ip);
}
//set curl function timeout to $timeout
curl_setopt($this->ch, CURLOPT_TIMEOUT, $timeout);
//and finally send curl request
$result = curl_exec($this->ch);
if(curl_errno($this->ch))
{
if($this->debug)
{
echo "Error Occured in Curl\n";
echo "Error number: " .curl_errno($this->ch) ."\n";
echo "Error message: " .curl_error($this->ch)."\n";
}
return false;
}
else
{
return $result;
}
}
/**
* Fetch data from target URL
* and store it directly to file
* @param string url
* @param resource value stream resource(ie. fopen)
* @param string ip address to bind (default null)
* @param int timeout in sec for complete curl operation (default 5)
* @return boolean true on success false othervise
* @access public
*/
function fetch_into_file($url, $fp, $ip=null, $timeout=5)
{
// set url to post to
curl_setopt($this->ch, CURLOPT_URL, $url);
//set method to get
curl_setopt($this->ch, CURLOPT_HTTPGET, true);
// store data into file rather than displaying it
curl_setopt($this->ch, CURLOPT_FILE, $fp);
//bind to specific ip address if it is sent trough arguments
if($ip)
{
if($this->debug)
{
echo "Binding to ip $ip\n";
}
curl_setopt($this->ch, CURLOPT_INTERFACE, $ip);
}
//set curl function timeout to $timeout
curl_setopt($this->ch, CURLOPT_TIMEOUT, $timeout);
//and finally send curl request
$result = curl_exec($this->ch);
if(curl_errno($this->ch))
{
if($this->debug)
{
echo "Error Occured in Curl\n";
echo "Error number: " .curl_errno($this->ch) ."\n";
echo "Error message: " .curl_error($this->ch)."\n";
}
return false;
}
else
{
return true;
}
}
/**
* Send post data to target URL
* return data returned from url or false if error occured
* @param string url
* @param mixed post data (assoc array ie. $foo['post_var_name'] = $value or as string like var=val1&var2=val2)
* @param string ip address to bind (default null)
* @param int timeout in sec for complete curl operation (default 10)
* @return string data
* @access public
*/
function post_into_file($url, $postdata, $fp, $ip=null, $timeout=10)
{
//set various curl options first
// set url to post to
curl_setopt($this->ch, CURLOPT_URL, $url);
// store data into file rather than displaying it
curl_setopt($this->ch, CURLOPT_FILE, $fp);
//bind to specific ip address if it is sent trough arguments
if ($ip)
{
if($this->debug)
{
echo "Binding to ip $ip\n";
}
curl_setopt($this->ch, CURLOPT_INTERFACE, $ip);
}
//set curl function timeout to $timeout
curl_setopt($this->ch, CURLOPT_TIMEOUT, $timeout);
//set method to post
curl_setopt($this->ch, CURLOPT_POST, true);
//generate post string
$post_array = array();
if(is_array($postdata))
{
foreach($postdata as $key=>$value)
{
$post_array[] = urlencode($key) . "=" . urlencode($value);
$this->log("Post [".$key."] = [".$value."]", LGD_LOG_DEBUG);
}
$post_string = implode("&",$post_array);
if($this->debug)
{
echo "Url: $url\nPost String: $post_string\n";
}
}
else
{
$post_string = $postdata;
}
// set post string
curl_setopt($this->ch, CURLOPT_POSTFIELDS, $post_string);
//and finally send curl request
$result = curl_exec($this->ch);
if(curl_errno($this->ch))
{
if($this->debug)
{
echo "Error Occured in Curl\n";
echo "Error number: " .curl_errno($this->ch) ."\n";
echo "Error message: " .curl_error($this->ch)."\n";
}
return false;
}
else
{
return $result;
}
}
/**
* Send multipart post data to the target URL
* return data returned from url or false if error occured
* (contribution by vule nikolic, vule@dinke.net)
* @param string url
* @param array assoc post data array ie. $foo['post_var_name'] = $value
* @param array assoc $file_field_array, contains file_field name = value - path pairs
* @param string ip address to bind (default null)
* @param int timeout in sec for complete curl operation (default 30 sec)
* @return string data
* @access public
*/
function send_multipart_post_data($url, $postdata, $file_field_array=array(), $ip=null, $timeout=30)
{
//set various curl options first
// set url to post to
curl_setopt($this->ch, CURLOPT_URL, $url);
// return into a variable rather than displaying it
curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);
//bind to specific ip address if it is sent trough arguments
if($ip)
{
if($this->debug)
{
echo "Binding to ip $ip\n";
}
curl_setopt($this->ch,CURLOPT_INTERFACE,$ip);
}
//set curl function timeout to $timeout
curl_setopt($this->ch, CURLOPT_TIMEOUT, $timeout);
//set method to post
curl_setopt($this->ch, CURLOPT_POST, true);
// disable Expect header
// hack to make it working
$headers = array("Expect: ");
curl_setopt($this->ch, CURLOPT_HTTPHEADER, $headers);
// initialize result post array
$result_post = array();
//generate post string
$post_array = array();
$post_string_array = array();
if(!is_array($postdata))
{
return false;
}
foreach($postdata as $key=>$value)
{
$post_array[$key] = $value;
$post_string_array[] = urlencode($key)."=".urlencode($value);
}
$post_string = implode("&",$post_string_array);
if($this->debug)
{
echo "Post String: $post_string\n";
}
// set post string
//curl_setopt($this->ch, CURLOPT_POSTFIELDS, $post_string);
// set multipart form data - file array field-value pairs
if(!empty($file_field_array))
{
foreach($file_field_array as $var_name => $var_value)
{
if(strpos(PHP_OS, "WIN") !== false) $var_value = str_replace("/", "\\", $var_value); // win hack
$file_field_array[$var_name] = "@".$var_value;
}
}
// set post data
$result_post = array_merge($post_array, $file_field_array);
curl_setopt($this->ch, CURLOPT_POSTFIELDS, $result_post);
//and finally send curl request
$result = curl_exec($this->ch);
if(curl_errno($this->ch))
{
if($this->debug)
{
echo "Error Occured in Curl\n";
echo "Error number: " .curl_errno($this->ch) ."\n";
echo "Error message: " .curl_error($this->ch)."\n";
}
return false;
}
else
{
return $result;
}
}
/**
* Set file location where cookie data will be stored and send on each new request
* @param string absolute path to cookie file (must be in writable dir)
* @access public
*/
function store_cookies($cookie_file)
{
// use cookies on each request (cookies stored in $cookie_file)
curl_setopt ($this->ch, CURLOPT_COOKIEJAR, $cookie_file);
curl_setopt ($this->ch, CURLOPT_COOKIEFILE, $cookie_file);
}
/**
* Set custom cookie
* @param string cookie
* @access public
*/
function set_cookie($cookie)
{
curl_setopt ($this->ch, CURLOPT_COOKIE, $cookie);
}
/**
* Get last URL info
* usefull when original url was redirected to other location
* @access public
* @return string url
*/
function get_effective_url()
{
return curl_getinfo($this->ch, CURLINFO_EFFECTIVE_URL);
}
/**
* Get http response code
* @access public
* @return int
*/
function get_http_response_code()
{
return curl_getinfo($this->ch, CURLINFO_HTTP_CODE);
}
/**
* Return last error message and error number
* @return string error msg
* @access public
*/
function get_error_msg()
{
$err = "Error number: " .curl_errno($this->ch) ."\n";
$err .="Error message: " .curl_error($this->ch)."\n";
return $err;
}
/**
* Close curl session and free resource
* Usually no need to call this function directly
* in case you do you have to call init() to recreate curl
* @access public
*/
function close()
{
//close curl session and free up resources
curl_close($this->ch);
}
}