/*
* Copyright (C) 2012 Yee Young Han (http://blog.naver.com/websearch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "SipStackDefine.h"
#include "SipTcp.h"
#include "TlsFunction.h"
#include "HttpClient.h"
#include "Log.h"
#include "MemoryDebug.h"
CHttpClient::CHttpClient() : m_iRecvTimeout(10), m_iStatusCode(0)
{
InitNetwork();
}
CHttpClient::~CHttpClient()
{
}
/**
* @ingroup HttpStack
* @brief HTTP GET 명령을 실행한다.
* @param pszUrl HTTP URL (예:http://www.naver.com)
* @param strOutputContentType 수신 Content-Type
* @param strOutputBody 수신 body
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CHttpClient::DoGet( const char * pszUrl, std::string & strOutputContentType, std::string & strOutputBody )
{
strOutputContentType.clear();
strOutputBody.clear();
if( pszUrl == NULL )
{
CLog::Print( LOG_ERROR, "%s pszUrl is null", __FUNCTION__ );
return false;
}
CHttpUri clsUri;
int iUrlLen = strlen( pszUrl );
if( clsUri.Parse( pszUrl, iUrlLen ) == -1 )
{
CLog::Print( LOG_ERROR, "%s clsUri.Parse(%s) error", __FUNCTION__, pszUrl );
return false;
}
CHttpMessage clsRequest;
CHttpPacket clsPacket;
clsRequest.SetRequest( "GET", &clsUri );
if( Execute( &clsUri, &clsRequest, &clsPacket ) )
{
CHttpMessage * pclsMessage = clsPacket.GetHttpMessage();
strOutputContentType = pclsMessage->m_strContentType;
strOutputBody = pclsMessage->m_strBody;
return true;
}
return false;
}
/**
* @ingroup HttpStack
* @brief HTTP GET 명령을 실행한다.
* @param pszUrl HTTP URL (예:http://wsf.cdyne.com/WeatherWS/Weather.asmx)
* @param pszInputContentType 전송 Content-Type
* @param pszInputBody 전송 body
* @param strOutputContentType 수신 Content-Type
* @param strOutputBody 수신 body
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CHttpClient::DoGet( const char * pszUrl, const char * pszInputContentType, const char * pszInputBody, std::string & strOutputContentType, std::string & strOutputBody )
{
strOutputContentType.clear();
strOutputBody.clear();
if( pszUrl == NULL || pszInputContentType == NULL || pszInputBody == NULL )
{
CLog::Print( LOG_ERROR, "%s pszUrl or input content type or input body is null", __FUNCTION__ );
return false;
}
CHttpUri clsUri;
int iUrlLen = strlen( pszUrl );
int iContentLength = strlen( pszInputBody );
if( iContentLength <= 0 )
{
CLog::Print( LOG_ERROR, "%s pszInputBody's length(%d) error", __FUNCTION__, iContentLength );
return false;
}
if( clsUri.Parse( pszUrl, iUrlLen ) == -1 )
{
CLog::Print( LOG_ERROR, "%s clsUri.Parse(%s) error", __FUNCTION__, pszUrl );
return false;
}
CHttpMessage clsRequest;
CHttpPacket clsPacket;
clsRequest.SetRequest( "GET", &clsUri );
clsRequest.m_strContentType = pszInputContentType;
clsRequest.m_iContentLength = iContentLength;
clsRequest.m_strBody = pszInputBody;
if( Execute( &clsUri, &clsRequest, &clsPacket ) )
{
CHttpMessage * pclsMessage = clsPacket.GetHttpMessage();
strOutputContentType = pclsMessage->m_strContentType;
strOutputBody = pclsMessage->m_strBody;
return true;
}
return false;
}
/**
* @ingroup HttpStack
* @brief HTTP POST 명령을 실행한다.
* @param pszUrl HTTP URL (예:http://wsf.cdyne.com/WeatherWS/Weather.asmx)
* @param pszInputContentType 전송 Content-Type
* @param pszInputBody 전송 body
* @param strOutputContentType 수신 Content-Type
* @param strOutputBody 수신 body
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CHttpClient::DoPost( const char * pszUrl, const char * pszInputContentType, const char * pszInputBody, std::string & strOutputContentType, std::string & strOutputBody )
{
return DoPost( pszUrl, NULL, pszInputContentType, pszInputBody, strOutputContentType, strOutputBody );
}
/**
* @ingroup HttpStack
* @brief HTTP POST 명령을 실행한다.
* @param pszUrl HTTP URL (예:http://wsf.cdyne.com/WeatherWS/Weather.asmx)
* @param pclsHeaderList 전송 헤더에 포함될 헤더 항목 리스트
* @param pszInputContentType 전송 Content-Type
* @param pszInputBody 전송 body
* @param strOutputContentType 수신 Content-Type
* @param strOutputBody 수신 body
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CHttpClient::DoPost( const char * pszUrl, HTTP_HEADER_LIST * pclsHeaderList, const char * pszInputContentType, const char * pszInputBody, std::string & strOutputContentType, std::string & strOutputBody )
{
strOutputContentType.clear();
strOutputBody.clear();
if( pszUrl == NULL || pszInputContentType == NULL || pszInputBody == NULL )
{
CLog::Print( LOG_ERROR, "%s pszUrl or input content type or input body is null", __FUNCTION__ );
return false;
}
CHttpUri clsUri;
int iUrlLen = strlen( pszUrl );
int iContentLength = strlen( pszInputBody );
if( iContentLength <= 0 )
{
CLog::Print( LOG_ERROR, "%s pszInputBody's length(%d) error", __FUNCTION__, iContentLength );
return false;
}
if( clsUri.Parse( pszUrl, iUrlLen ) == -1 )
{
CLog::Print( LOG_ERROR, "%s clsUri.Parse(%s) error", __FUNCTION__, pszUrl );
return false;
}
CHttpMessage clsRequest;
CHttpPacket clsPacket;
clsRequest.SetRequest( "POST", &clsUri );
clsRequest.m_strContentType = pszInputContentType;
clsRequest.m_iContentLength = iContentLength;
clsRequest.m_strBody = pszInputBody;
if( pclsHeaderList )
{
clsRequest.m_clsHeaderList.insert( clsRequest.m_clsHeaderList.end(), pclsHeaderList->begin(), pclsHeaderList->end() );
}
if( Execute( &clsUri, &clsRequest, &clsPacket ) )
{
CHttpMessage * pclsMessage = clsPacket.GetHttpMessage();
strOutputContentType = pclsMessage->m_strContentType;
strOutputBody = pclsMessage->m_strBody;
return true;
}
return false;
}
/**
* @ingroup HttpClientApi
* @brief HTTP POST 기반으로 SOAP 명령을 실행한다.
* @param pszUrl HTTP URL (예:http://wsf.cdyne.com/WeatherWS/Weather.asmx)
* @param pszSoapAction HTTP SOAPAction 헤더에 저장될 문자열 (예:http://ws.cdyne.com/WeatherWS/GetWeatherInformation)
* @param pszInputBody 전송 body
* @param strOutputBody 수신 body
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CHttpClient::DoSoap( const char * pszUrl, const char * pszSoapAction, const char * pszInputBody, std::string & strOutputBody )
{
return DoSoap( pszUrl, pszSoapAction, "text/xml;charset=UTF-8", pszInputBody, strOutputBody );
}
/**
* @ingroup HttpClientApi
* @brief HTTP POST 기반으로 SOAP 명령을 실행한다.
* @param pszUrl HTTP URL (예:http://wsf.cdyne.com/WeatherWS/Weather.asmx)
* @param pszSoapAction HTTP SOAPAction 헤더에 저장될 문자열 (예:http://ws.cdyne.com/WeatherWS/GetWeatherInformation)
* @param pszInputContentType HTTP Content-Type
* @param pszInputBody 전송 body
* @param strOutputBody 수신 body
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CHttpClient::DoSoap( const char * pszUrl, const char * pszSoapAction, const char * pszInputContentType, const char * pszInputBody, std::string & strOutputBody )
{
std::string strOutputContentType;
strOutputBody.clear();
if( pszSoapAction && strlen(pszSoapAction) > 0 )
{
HTTP_HEADER_LIST clsHeaderList;
CHttpHeader clsHeader( "SOAPAction", pszSoapAction );
clsHeaderList.push_back( clsHeader );
return DoPost( pszUrl, &clsHeaderList, pszInputContentType, pszInputBody, strOutputContentType, strOutputBody );
}
return DoPost( pszUrl, NULL, pszInputContentType, pszInputBody, strOutputContentType, strOutputBody );
}
/**
* @ingroup HttpStack
* @brief HTTP 응답 메시지 수신 timeout 시간을 설정한다.
* @param iRecvTimeout HTTP 응답 메시지 수신 timeout 시간 (초단위)
*/
void CHttpClient::SetRecvTimeout( int iRecvTimeout )
{
m_iRecvTimeout = iRecvTimeout;
}
/**
* @ingroup HttpStack
* @brief HTTP 응답 status code 를 리턴한다.
* @returns HTTP 응답 status code 를 리턴한다.
*/
int CHttpClient::GetStatusCode()
{
return m_iStatusCode;
}
/**
* @ingroup HttpStack
* @brief HTTP 서버에 연결하여서 HTTP 요청 메시지를 전송한 후, HTTP 응답 메시지를 수신한다.
* @param pclsUri HTTP request URI
* @param pclsRequest HTTP request
* @param pclsPacket HTTP response 를 저장할 패킷 객체
* @returns 성공하면 true 를 리턴하고 실패하면 false 를 리턴한다.
*/
bool CHttpClient::Execute( CHttpUri * pclsUri, CHttpMessage * pclsRequest, CHttpPacket * pclsPacket )
{
char * pszBuf = NULL;
int iBufLen, n;
bool bRes = false;
Socket hSocket = INVALID_SOCKET;
SSL * psttSsl = NULL;
CHttpMessage * pclsResponse = pclsPacket->GetHttpMessage();
int iNewBufLen = 8192 + pclsRequest->m_strBody.length();
pszBuf = (char *)malloc( iNewBufLen );
if( pszBuf == NULL )
{
CLog::Print( LOG_ERROR, "%s malloc error", __FUNCTION__ );
return false;
}
memset( pszBuf, 0, iNewBufLen );
pclsRequest->m_strHttpVersion = "HTTP/1.1";
iBufLen = pclsRequest->ToString( pszBuf, iNewBufLen );
if( iBufLen <= 0 )
{
CLog::Print( LOG_ERROR, "%s clsRequest.ToString() error", __FUNCTION__ );
goto FUNC_END;
}
hSocket = TcpConnect( pclsUri->m_strHost.c_str(), pclsUri->m_iPort );
if( hSocket == INVALID_SOCKET )
{
CLog::Print( LOG_ERROR, "%s TcpConnect(%s:%d) error", __FUNCTION__, pclsUri->m_strHost.c_str(), pclsUri->m_iPort );
goto FUNC_END;
}
CLog::Print( LOG_NETWORK, "TcpConnect(%s:%d) success", pclsUri->m_strHost.c_str(), pclsUri->m_iPort );
// https 프로토콜이면 TLS 로 연결한다.
if( !strcmp( pclsUri->m_strProtocol.c_str(), "https" ) )
{
if( SSLConnect( hSocket, &psttSsl ) == false )
{
CLog::Print( LOG_ERROR, "%s SSLConnect error", __FUNCTION__ );
goto FUNC_END;
}
CLog::Print( LOG_NETWORK, "SSLConnect(%s:%d) success", pclsUri->m_strHost.c_str(), pclsUri->m_iPort );
}
if( psttSsl )
{
if( SSLSend( psttSsl, pszBuf, iBufLen ) != iBufLen )
{
CLog::Print( LOG_ERROR, "%s SSLSend error", __FUNCTION__ );
goto FUNC_END;
}
}
else
{
if( TcpSend( hSocket, pszBuf, iBufLen ) != iBufLen )
{
CLog::Print( LOG_ERROR, "%s TcpSend error", __FUNCTION__ );
goto FUNC_END;
}
}
CLog::Print( LOG_NETWORK, "TcpSend(%s:%d) [%s]", pclsUri->m_strHost.c_str(), pclsUri->m_iPort, pszBuf );
while( 1 )
{
memset( pszBuf, 0, iNewBufLen );
if( psttSsl )
{
n = SSLRecv( psttSsl, pszBuf, iNewBufLen );
}
else
{
n = TcpRecv( hSocket, pszBuf, iNewBufLen, m_iRecvTimeout );
}
if( n <= 0 )
{
break;
}
CLog::Print( LOG_NETWORK, "TcpRecv(%s:%d) [%.*s]", pclsUri->m_strHost.c_str(), pclsUri->m_iPort, n, pszBuf );
if( pclsPacket->AddPacket( pszBuf, n ) == false )
{
CLog::Print( LOG_ERROR, "%s clsPacket.AddPacket error", __FUNCTION__ );
break;
}
if( pclsPacket->IsCompleted() ) break;
}
m_iStatusCode = pclsResponse->m_iStatusCode;
if( pclsResponse->m_iStatusCode / 100 == 2 )
{
bRes = true;
}
FUNC_END:
if( psttSsl )
{
SSLClose( psttSsl );
psttSsl = NULL;
}
if( hSocket != INVALID_SOCKET )
{
closesocket( hSocket );
hSocket = INVALID_SOCKET;
}
if( pszBuf )
{
free( pszBuf );
pszBuf = NULL;
}
// 3XX 응답에서 Location 헤더가 존재하면 해당 URL 로 다시 시도한다.
if( pclsResponse->m_iStatusCode / 100 == 3 )
{
CHttpHeader * pclsHeader = pclsResponse->GetHeader( "Location" );
if( pclsHeader && pclsHeader->m_strValue.empty() == false )
{
CHttpUri clsUri;
if( clsUri.Parse( pclsHeader->m_strValue.c_str(), pclsHeader->m_strValue.length() ) )
{
if( clsUri.m_strHost.empty() )
{
clsUri.m_strHost = pclsUri->m_strHost;
clsUri.m_iPort = pclsUri->m_iPort;
clsUri.m_strProtocol = pclsUri->m_strProtocol;
clsUri.m_strPath = pclsHeader->m_strValue;
}
pclsRequest->SetRequest( pclsRequest->m_strHttpMethod.c_str(), &clsUri );
return Execute( &clsUri, pclsRequest, pclsPacket );
}
}
}
return bRes;
}