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W3C.cpp
1386 lines (1140 loc) · 39.9 KB
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W3C.cpp
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#include "w3c.h"
#include <cstring>
using namespace std;
#define __HTTP_VERB_GET "GET"
#define __HTTP_VERB_POST "POST"
#define __HTTP_ACCEPT_TYPE "*/*"
#define __HTTP_ACCEPT "Accept: */*\r\n"
#define __DEFAULT_BUF_SIZE 1024
void __w3cexcept(const char *szaddress, long nport, W3Client::w3t t, const char *szmsg){
#ifdef _DEBUG
string sztmp;
sztmp+="[ ";
switch(t) {
case W3Client::w3http:
sztmp+="http://";
break;
case W3Client::w3https:
sztmp+="https://";
break;
case W3Client::w3ftp:
sztmp+="ftp://";
break;
}
sztmp+=szaddress;
sztmp+=":";
char szp[10]="\0";
sprintf(szp, "%d", nport);
sztmp+=szp;
sztmp+=" ] ";
sztmp+=szmsg;
::OutputDebugString(sztmp.c_str());
DWORD err=::GetLastError();
LPVOID lpMsgBuffer;
DWORD dwRet=FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE,
GetModuleHandle("wininet.dll"),
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
reinterpret_cast<LPTSTR>(&lpMsgBuffer),
0,
NULL);
char szmsg2[1024]="\0";
sprintf(szmsg2, "[%d, 0x%08x] %s", err, err, reinterpret_cast<LPTSTR>(lpMsgBuffer));
OutputDebugString(szmsg2);
::LocalFree(lpMsgBuffer);
#endif
}
void __w3cexcept(const char *szaddress, long nport, W3Client::w3t t, const char *szuri, const char *szmsg){
#ifdef _DEBUG
string sztmp;
sztmp+="[ ";
switch(t) {
case W3Client::w3http:
sztmp+="http://";
break;
case W3Client::w3https:
sztmp+="https://";
break;
case W3Client::w3ftp:
sztmp+="ftp://";
break;
}
sztmp+=szaddress;
sztmp+=":";
char szp[10]="\0";
sprintf(szp, "%d", nport);
sztmp+=szp;
sztmp+=szuri;
sztmp+=" ] ";
sztmp+=szmsg;
::OutputDebugString(sztmp.c_str());
LPVOID lpMsgBuffer;
DWORD err=::GetLastError();
DWORD dwRet=FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE,
GetModuleHandle("wininet.dll"),
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
reinterpret_cast<LPTSTR>(&lpMsgBuffer),
0,
NULL);
char szmsg2[1024]="\0";
sprintf(szmsg2, "[%d, 0x%08x] %s", err, err, reinterpret_cast<LPTSTR>(lpMsgBuffer));
OutputDebugString(szmsg2);
::LocalFree(lpMsgBuffer);
#endif
}
// W3Client : synchronized www client
bool W3Client::Connect(const char *szaddress,
const char *szuser /*=NULL*/,
const char *szpassword /*=NULL*/,
const char *szagent /*=__W3_DEFAULT_AGENT*/){
char szp[__DEFAULT_BUF_SIZE]="\0", szus[__DEFAULT_BUF_SIZE]="\0", szpw[__DEFAULT_BUF_SIZE]="\0";
char sza[__DEFAULT_BUF_SIZE]="\0", szuri[__DEFAULT_BUF_SIZE]="\0";
unsigned long port=0;
__w3curlparse(szaddress, szp, szus, szpw, sza, port, szuri);
w3t wt;
if(!strncmp(szp, "https", 5))
wt=w3https;
else if(!strncmp(szp, "http", 4))
wt=w3http;
else if(!strncmp(szp, "ftp", 3))
wt=w3ftp;
_szuri=szuri;
return Connect(sza, port,
((szuser || (!szuser && strlen(szus)==0))? szuser : szus),
((szpassword || (!szpassword && strlen(szpw)==0))? szpassword : szpw),
wt, szagent);
}
bool W3Client::Connect( const char *szaddress,
long nport,
const char *szuser /*=NULL*/,
const char *szpassword /*=NULL*/,
w3t t /*=w3http*/,
const char *szagent /*=__W3_DEFAULT_AGENT*/){
bool r=true;
try{
_hOpen=::InternetOpen( szagent, // agent
INTERNET_OPEN_TYPE_PRECONFIG, // access type
NULL, // proxy
NULL, // proxy by pass
0); // flags
if(!_hOpen || _hOpen==INVALID_HANDLE_VALUE)
throw "open internet failed...";
switch(t) {
case w3ftp:
_hConnection=::InternetConnect( _hOpen,
szaddress, (nport? nport: INTERNET_DEFAULT_FTP_PORT),
szuser, szpassword,
INTERNET_SERVICE_FTP,
INTERNET_FLAG_PASSIVE,
NULL);
break;
case w3http:
_hConnection=::InternetConnect( _hOpen,
szaddress, (nport? nport: INTERNET_DEFAULT_HTTP_PORT),
szuser, szpassword,
INTERNET_SERVICE_HTTP,
0,
NULL);
break;
case w3https:
_hConnection=::InternetConnect( _hOpen,
szaddress, (nport? nport: INTERNET_DEFAULT_HTTPS_PORT),
szuser, szpassword,
INTERNET_SERVICE_HTTP,
0,
NULL);
break;
}
if(!_hConnection || _hConnection==INVALID_HANDLE_VALUE)
throw "connect failed...";
if(::InternetAttemptConnect(NULL)!=ERROR_SUCCESS)
throw "connect failed...";
_szaddress=szaddress;
if(!nport){
switch(t) {
case w3ftp:
_nport=INTERNET_DEFAULT_FTP_PORT;
break;
case w3http:
_nport=INTERNET_DEFAULT_HTTP_PORT;
break;
case w3https:
_nport=INTERNET_DEFAULT_HTTPS_PORT;
break;
}
}else
_nport=nport;
_t=t;
if(szuser)
_szuser=szuser;
if(szpassword)
_szpassword=szpassword;
InitializeCookies();
InitializePostArguments();
}catch(const char *szm){
r=false;
if(_hOpen || _hOpen!=INVALID_HANDLE_VALUE)
::InternetCloseHandle(_hOpen);
if(_hConnection || _hConnection!=INVALID_HANDLE_VALUE)
::CloseHandle(_hConnection);
__w3cexcept(szaddress, nport, t, szm);
}catch(...){
r=false;
if(_hOpen || _hOpen!=INVALID_HANDLE_VALUE)
::InternetCloseHandle(_hOpen);
if(_hConnection || _hConnection!=INVALID_HANDLE_VALUE)
::CloseHandle(_hConnection);
__w3cexcept(szaddress, nport, t, "unknown exception...");
}
return r;
}
void W3Client::Close(){
if(_hRequest)
::InternetCloseHandle(_hRequest);
if(_hConnection)
::InternetCloseHandle(_hConnection);
if(_hOpen)
::InternetCloseHandle(_hOpen);
return;
}
bool W3Client::Request(const char *szuri, w3m m, const char *szref /*=NULL*/){
bool bflag=false;
try{
switch(m) {
case reqPost:
bflag=RequestPost(szuri, szref);
break;
case reqPostMultipartsFormdata:
bflag=RequestPost2(szuri, szref);
break;
case reqGet:
bflag=RequestGet(szuri, szref);
break;
}
if(bflag){
_szuri=szuri;
}else{
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
}
}catch(const char *szm){
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, szm);
}catch(...){
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, "unknown exception...");
}
return bflag;
}
bool W3Client::RequestGet(const char *szuri, const char *szref /*=NULL*/){
static LPCTSTR szAcceptType=TEXT(__HTTP_ACCEPT_TYPE);
if(!_hConnection || _hConnection==INVALID_HANDLE_VALUE)
throw "handle not opened...";
_hRequest=::HttpOpenRequest( _hConnection,
__HTTP_VERB_GET, // HTTP Verb
szuri, // Object Name
HTTP_VERSION, // Version
szref, // Reference
&szAcceptType, // Accept Type
INTERNET_FLAG_NO_CACHE_WRITE | (_t==w3https? INTERNET_FLAG_SECURE:0),
NULL); // context call-back point
if(!_hRequest || _hRequest==INVALID_HANDLE_VALUE)
throw "request failed...";
// REPLACE HEADER
if(!::HttpAddRequestHeaders( _hRequest,
__HTTP_ACCEPT, strlen(__HTTP_ACCEPT),
HTTP_ADDREQ_FLAG_REPLACE))
throw "additional header failed...";
// COOKIE ADD
if(_listcookies.size()>0){
string szurl;
switch(_t) {
case w3http:
szurl="http://";
break;
case w3https:
szurl="https://";
break;
}
szurl+=_szaddress.c_str();
if(!((_t==w3http && _nport==INTERNET_DEFAULT_HTTP_PORT) || (_t==w3https && _nport==INTERNET_DEFAULT_HTTPS_PORT))){
char tmp[10]="\0";
sprintf(tmp, ":%d", _nport);
szurl+=tmp;
}
szurl+=szuri;
for(list<HTTP_COOKIE*>::iterator it=_listcookies.begin(); it!=_listcookies.end(); it++){
HTTP_COOKIE *pc=reinterpret_cast<HTTP_COOKIE*>(*it);
if(!::InternetSetCookie(szurl.c_str(), pc->name.c_str(), pc->value.c_str()))
throw "add cookie failed...";
}
}
// SEND REQUEST
if(!::HttpSendRequest( _hRequest, // handle by returned HttpOpenRequest
NULL, // additional HTTP header
0, // additional HTTP header length
NULL, // additional data in HTTP Post or HTTP Put
0) // additional data length
)
throw "request failed...";
return true;
}
void W3Client::InitializePostArguments(){
if(_listargs.size()>0){
for(list<HTTP_ARG*>::iterator it=_listargs.begin(); it!=_listargs.end(); it++){
HTTP_ARG *p=reinterpret_cast<HTTP_ARG*>(*it);
delete p;
}
_listargs.clear();
}
return;
}
void W3Client::AddPostArgument(const char *szname, const int nvalue){
HTTP_ARG *pa=new HTTP_ARG(szname, nvalue);
_listargs.push_back(pa);
return;
}
void W3Client::AddPostArgument(const char *szname, const long nvalue){
HTTP_ARG *pa=new HTTP_ARG(szname, nvalue);
_listargs.push_back(pa);
return;
}
void W3Client::AddPostArgument(const char *szname, const float nvalue){
HTTP_ARG *pa=new HTTP_ARG(szname, nvalue);
_listargs.push_back(pa);
return;
}
void W3Client::AddPostArgument(const char *szname, const double nvalue){
HTTP_ARG *pa=new HTTP_ARG(szname, nvalue);
_listargs.push_back(pa);
return;
}
void W3Client::AddPostArgument(const char *szname, const char *szvalue, bool bfile /*=false*/){
HTTP_ARG *pa=new HTTP_ARG(szname, szvalue, bfile);
_listargs.push_back(pa);
return;
}
void W3Client::InitializeCookies(){
if(_listcookies.size()>0){
for(list<HTTP_COOKIE*>::iterator it=_listcookies.begin(); it!=_listcookies.end(); it++){
HTTP_COOKIE *p=reinterpret_cast<HTTP_COOKIE*>(*it);
delete p;
}
_listcookies.clear();
}
return;
}
void W3Client::AddCookie(const char *szname, const char *szvalue){
HTTP_COOKIE *pc=new HTTP_COOKIE(szname, szvalue);
_listcookies.push_back(pc);
return;
}
void W3Client::AddCookie(const char *szname, const int value){
HTTP_COOKIE *pc=new HTTP_COOKIE(szname, value);
_listcookies.push_back(pc);
return;
}
void W3Client::AddCookie(const char *szname, const long value){
HTTP_COOKIE *pc=new HTTP_COOKIE(szname, value);
_listcookies.push_back(pc);
return;
}
void W3Client::AddCookie(const char *szname, const float value){
HTTP_COOKIE *pc=new HTTP_COOKIE(szname, value);
_listcookies.push_back(pc);
return;
}
void W3Client::AddCookie(const char *szname, const double value){
HTTP_COOKIE *pc=new HTTP_COOKIE(szname, value);
_listcookies.push_back(pc);
return;
}
unsigned long W3Client::GetPostArgumentsLength(){
unsigned long len=0;
if(_listargs.size()>0){
for(list<HTTP_ARG*>::iterator it=_listargs.begin(); it!=_listargs.end(); it++){
HTTP_ARG *p=reinterpret_cast<HTTP_ARG*>(*it);
len+=p->length()+1;
}
}
return len? len-1: 0;
}
unsigned long W3Client::GetPostData(unsigned char *buf, unsigned long len){
unsigned long l=0;
if(len>GetPostArgumentsLength() && _listargs.size()>0){
for(list<HTTP_ARG*>::iterator it=_listargs.begin(); it!=_listargs.end(); it++){
HTTP_ARG *p=reinterpret_cast<HTTP_ARG*>(*it);
p->dump(buf+l, p->length());
buf[l+p->length()]='&';
l+=p->length()+1;
}
buf[l-1]='\0';
}
return l? l-1: 0;
}
bool W3Client::RequestPost(const char *szuri, const char *szref /*=NULL*/){
static LPCTSTR szAcceptType=__HTTP_ACCEPT_TYPE;
static LPCTSTR szContentType="Content-Type: application/x-www-form-urlencoded\r\n";
unsigned char *buf=NULL;
unsigned long len=0;
if(!_hConnection || _hConnection==INVALID_HANDLE_VALUE)
throw "handle not opened...";
_hRequest=::HttpOpenRequest( _hConnection,
__HTTP_VERB_POST, // HTTP Verb
szuri, // Object Name
HTTP_VERSION, // Version
szref, // Reference
&szAcceptType, // Accept Type
INTERNET_FLAG_KEEP_CONNECTION |
INTERNET_FLAG_NO_CACHE_WRITE |
INTERNET_FLAG_FORMS_SUBMIT |
(_t==w3https? INTERNET_FLAG_SECURE:0),
NULL); // context call-back point
if(!_hRequest || _hRequest==INVALID_HANDLE_VALUE)
throw "request failed...";
// REPLACE HEADER
if(!::HttpAddRequestHeaders( _hRequest, __HTTP_ACCEPT, strlen(__HTTP_ACCEPT), HTTP_ADDREQ_FLAG_REPLACE))
throw "additional header failed...";
// COOKIE ADD
if(_listcookies.size()>0){
string szurl;
switch(_t) {
case w3http:
szurl="http://";
break;
case w3https:
szurl="https://";
break;
}
szurl+=_szaddress.c_str();
if(!((_t==w3http && _nport==INTERNET_DEFAULT_HTTP_PORT) || (_t==w3https && _nport==INTERNET_DEFAULT_HTTPS_PORT))){
char tmp[10]="\0";
sprintf(tmp, ":%d", _nport);
szurl+=tmp;
}
szurl+=szuri;
for(list<HTTP_COOKIE*>::iterator it=_listcookies.begin(); it!=_listcookies.end(); it++){
HTTP_COOKIE *pc=reinterpret_cast<HTTP_COOKIE*>(*it);
if(!::InternetSetCookie(szurl.c_str(), pc->name.c_str(), pc->value.c_str()))
throw "add cookie failed...";
}
}
// GET POST ARGUMENTS
buf=reinterpret_cast<unsigned char*>(::HeapAlloc(::GetProcessHeap(), HEAP_ZERO_MEMORY, GetPostArgumentsLength()+1));
len=GetPostData(buf, GetPostArgumentsLength()+1);
// SEND REQUEST WITH POST ARGUEMENTS
if(!::HttpSendRequest( _hRequest, // handle by returned HttpOpenRequest
szContentType, // additional HTTP header
strlen(szContentType), // additional HTTP header length
reinterpret_cast<LPVOID>(buf), // additional data in HTTP Post or HTTP Put
len) // additional data length
&& ::GetLastError()!=12168){
::HeapFree(::GetProcessHeap(), 0, buf);
throw "request failed...";
}
::HeapFree(::GetProcessHeap(), 0, buf);
return true;
}
unsigned long W3Client::GetMultiPartsFormDataLength(){
unsigned long len=0;
if(_listargs.size()>0){
for(list<HTTP_ARG*>::iterator it=_listargs.begin(); it!=_listargs.end(); it++){
HTTP_ARG *p=reinterpret_cast<HTTP_ARG*>(*it);
len+=p->length2();
}
}
return len;
}
unsigned long W3Client::AllocMultiPartsFormData(unsigned char *&buf, const char *szboundry){
unsigned long len=0;
unsigned long ns=GetMultiPartsFormDataLength()+1;
if(buf)
return 0;
buf=reinterpret_cast<unsigned char*>(::HeapAlloc(::GetProcessHeap(), HEAP_ZERO_MEMORY, ns));
if(_listargs.size()>0){
for(list<HTTP_ARG*>::iterator it=_listargs.begin(); it!=_listargs.end(); it++){
HTTP_ARG *pa=reinterpret_cast<HTTP_ARG*>(*it);
len+=pa->dump2(buf+len, ns-len, szboundry);
}
}
memcpy(buf+len, "--", 2);
memcpy(buf+len+2, szboundry, strlen(szboundry));
memcpy(buf+len+2+strlen(szboundry), "--\r\n", 4);
len+=2+strlen(szboundry)+4;
return len;
}
void W3Client::FreeMultiPartsFormData(unsigned char *buf){ ::HeapFree(::GetProcessHeap(), 0, buf); return; }
bool W3Client::RequestPost2(const char *szuri, const char *szref /*=NULL*/){
static LPCTSTR szAcceptType=__HTTP_ACCEPT_TYPE;
static LPCTSTR szContentType="Content-Type: multipart/form-data; boundary=--MULTI-PARTS-FORM-DATA-BOUNDARY\r\n";
unsigned char *buf=NULL;
unsigned long len=0;
if(!_hConnection || _hConnection==INVALID_HANDLE_VALUE)
throw "handle not opened...";
_hRequest=::HttpOpenRequest( _hConnection,
__HTTP_VERB_POST, // HTTP Verb
szuri, // Object Name
HTTP_VERSION, // Version
szref, // Reference
&szAcceptType, // Accept Type
INTERNET_FLAG_KEEP_CONNECTION |
INTERNET_FLAG_NO_CACHE_WRITE |
INTERNET_FLAG_FORMS_SUBMIT |
(_t==w3https? INTERNET_FLAG_SECURE:0),
NULL); // context call-back point
if(!_hRequest || _hRequest==INVALID_HANDLE_VALUE)
throw "request failed...";
// REPLACE HEADER
if(!::HttpAddRequestHeaders( _hRequest, __HTTP_ACCEPT, strlen(__HTTP_ACCEPT), HTTP_ADDREQ_FLAG_REPLACE))
throw "additional header failed...";
if(!::HttpAddRequestHeaders( _hRequest, szContentType, strlen(szContentType), HTTP_ADDREQ_FLAG_ADD_IF_NEW))
throw "additional header failed...";
// COOKIE ADD
if(_listcookies.size()>0){
string szurl;
switch(_t) {
case w3http:
szurl="http://";
break;
case w3https:
szurl="https://";
break;
}
szurl+=_szaddress.c_str();
if(!(
(_t==w3http && _nport==INTERNET_DEFAULT_HTTP_PORT) ||
(_t==w3https && _nport==INTERNET_DEFAULT_HTTPS_PORT)
)){
char tmp[10]="\0";
sprintf(tmp, ":%d", _nport);
szurl+=tmp;
}
szurl+=szuri;
for(list<HTTP_COOKIE*>::iterator it=_listcookies.begin(); it!=_listcookies.end(); it++){
HTTP_COOKIE *pc=reinterpret_cast<HTTP_COOKIE*>(*it);
if(!::InternetSetCookie(szurl.c_str(), pc->name.c_str(), pc->value.c_str()))
throw "add cookie failed...";
}
}
// build multi-parts/form-data
len=AllocMultiPartsFormData(buf, "--MULTI-PARTS-FORM-DATA-BOUNDARY");
// ADD HEADER CONTENT LENGTH
char szcl[__DEFAULT_BUF_SIZE]="\0";
sprintf(szcl, "Content-Length: %d\r\n", len);
if(!::HttpAddRequestHeaders( _hRequest, szcl, strlen(szcl), HTTP_ADDREQ_FLAG_ADD_IF_NEW))
throw "additional header failed...";
// SEND REQUEST WITH HttpSendRequestEx and InternetWriteFile
static INTERNET_BUFFERS InternetBufferIn={0};
InternetBufferIn.dwStructSize=sizeof(INTERNET_BUFFERS);
InternetBufferIn.Next=NULL;
if(!::HttpSendRequestEx(_hRequest, &InternetBufferIn, NULL, HSR_INITIATE, 0)){
// free
FreeMultiPartsFormData(buf);
throw "request failed";
}
unsigned long nout=0;
DWORD dwOutPostBufferLength=0;
if(!::InternetWriteFile(_hRequest, buf, len, &nout)){
// free
FreeMultiPartsFormData(buf);
throw "request failed";
}
if(!::HttpEndRequest(_hRequest, NULL, HSR_INITIATE, 0)){
// free
FreeMultiPartsFormData(buf);
throw "request failed";
}
// free multi-parts/form-data
FreeMultiPartsFormData(buf);
return true;
}
unsigned long W3Client::QueryCookie(unsigned char *buf, unsigned long len, unsigned long idx /*=0*/){
if(!::HttpQueryInfo(_hRequest, HTTP_QUERY_SET_COOKIE, buf, &len, &idx)){
__w3cexcept(_szaddress.c_str(), _nport, _t, _szuri.c_str(), "query cookie failed...");
return 0;
}
return len;
}
unsigned long W3Client::QueryContentLength(){
char szt[__DEFAULT_BUF_SIZE]="\0";
unsigned long nread=__DEFAULT_BUF_SIZE;
memset(szt, 0x00, __DEFAULT_BUF_SIZE);
if(!::HttpQueryInfo(_hRequest, HTTP_QUERY_CONTENT_LENGTH , szt, reinterpret_cast<unsigned long*>(&nread), NULL)){
__w3cexcept(_szaddress.c_str(), _nport, _t, _szuri.c_str(), "query content-length failed...");
return 0;
}
return atol(szt);
}
const char * W3Client::QueryContentType(){
static char szt[__DEFAULT_BUF_SIZE]="\0";
unsigned long nread=__DEFAULT_BUF_SIZE;
memset(szt, 0x00, __DEFAULT_BUF_SIZE);
if(!::HttpQueryInfo(_hRequest, HTTP_QUERY_CONTENT_TYPE , szt, reinterpret_cast<unsigned long*>(&nread), NULL)){
__w3cexcept(_szaddress.c_str(), _nport, _t, _szuri.c_str(), "query content-type failed...");
return NULL;
}
return const_cast<char*>(szt);
}
unsigned int W3Client::QueryResult() {
char szt[__DEFAULT_BUF_SIZE]="\0";
unsigned long nread=__DEFAULT_BUF_SIZE;
memset(szt, 0x00, __DEFAULT_BUF_SIZE);
if(!::HttpQueryInfo(_hRequest, HTTP_QUERY_STATUS_CODE , szt, reinterpret_cast<unsigned long*>(&nread), NULL)){
__w3cexcept(_szaddress.c_str(), _nport, _t, _szuri.c_str(), "query status code failed...");
return 404;
}
return atoi(szt);
}
unsigned long W3Client::QueryRawHeader(unsigned char *buf, unsigned long len){
if(!::HttpQueryInfo(_hRequest, HTTP_QUERY_RAW_HEADERS_CRLF, buf, &len, NULL)){
__w3cexcept(_szaddress.c_str(), _nport, _t, _szuri.c_str(), "query cookie failed...");
return 0;
}
return len;
}
unsigned long W3Client::Response(unsigned char *buf, unsigned long len){
unsigned long nread=0;
try{
if(!_hRequest)
throw "connection failed...";
if(!::InternetReadFile(_hRequest, buf, len, &nread))
throw "response failed...";
}catch(const char *szm){
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
__w3cexcept(_szaddress.c_str(), _nport, _t, _szuri.c_str(), szm);
}catch(...){
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
__w3cexcept(_szaddress.c_str(), _nport, _t, _szuri.c_str(), "unknown exception...");
}
return nread;
}
bool W3Client::GetFile(const char *szuri, const char *szfile, bool ascii /*=false*/){
bool r=true;
try{
if(!_hOpen || !_hConnection)
throw "connection failed";
_hRequest=::FtpOpenFile(_hConnection,
szuri,
GENERIC_READ,
(ascii? INTERNET_FLAG_TRANSFER_ASCII : INTERNET_FLAG_TRANSFER_BINARY),
NULL);
if(!_hRequest || _hRequest==INVALID_HANDLE_VALUE)
throw "request failed...";
HANDLE f=::CreateFile(szfile, GENERIC_WRITE, FILE_SHARE_WRITE, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
unsigned char buf[__DEFAULT_BUF_SIZE]="\0";
unsigned long nread=0;
if(f){
while(::InternetReadFile(_hRequest, buf, __DEFAULT_BUF_SIZE, &nread) && nread>0)
::WriteFile(f, buf, nread, &nread, NULL);
::CloseHandle(f);
}
}catch(const char *szm){
r=false;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, szm);
}catch(...){
r=false;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, "unknown exception...");
}
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
return r;
}
unsigned long W3Client::GetFile(const char *szuri, unsigned char *buf, unsigned long len, bool ascii /*=false*/){
unsigned long nread=0;
try{
if(!_hOpen || !_hConnection)
throw "connection failed";
if(!_hRequest)
_hRequest=::FtpOpenFile(_hConnection,
szuri,
GENERIC_READ,
(ascii? INTERNET_FLAG_TRANSFER_ASCII : INTERNET_FLAG_TRANSFER_BINARY),
NULL);
if(!_hRequest || _hRequest==INVALID_HANDLE_VALUE)
throw "request failed...";
if(!::InternetReadFile(_hRequest, buf, len, &nread) || nread<=0){
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
}
}catch(const char *szm){
nread=0;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, szm);
}catch(...){
nread=0;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, "unknown exception...");
}
return nread;
}
bool W3Client::PutFile(const char *szuri, const char *szfile, bool ascii /*=false*/){
bool r=true;
try{
if(!_hOpen || !_hConnection)
throw "connection failed";
_hRequest=::FtpOpenFile(_hConnection,
szuri,
GENERIC_WRITE,
(ascii? INTERNET_FLAG_TRANSFER_ASCII : INTERNET_FLAG_TRANSFER_BINARY),
NULL);
if(!_hRequest || _hRequest==INVALID_HANDLE_VALUE)
throw "request failed...";
HANDLE f=::CreateFile(szfile, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
unsigned char buf[__DEFAULT_BUF_SIZE]="\0";
unsigned long nread=0;
if(f){
while(::ReadFile(f, buf, __DEFAULT_BUF_SIZE, &nread, 0) && nread>0)
::InternetWriteFile(_hRequest, buf, nread, &nread);
::CloseHandle(f);
}
}catch(const char *szm){
r=false;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, szm);
}catch(...){
r=false;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, "unknown exception...");
}
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
return r;
}
unsigned long W3Client::PutFile(const char *szuri, unsigned char *buf, unsigned long len, bool ascii){
unsigned long nread=0;
try{
if(!_hOpen || !_hConnection)
throw "connection failed";
if(!_hRequest)
_hRequest=::FtpOpenFile(_hConnection,
szuri,
GENERIC_WRITE,
(ascii? INTERNET_FLAG_TRANSFER_ASCII : INTERNET_FLAG_TRANSFER_BINARY),
NULL);
if(!_hRequest || _hRequest==INVALID_HANDLE_VALUE)
throw "request failed...";
if(!::InternetWriteFile(_hRequest, buf, nread, &nread) || nread<=0){
::InternetCloseHandle(_hRequest);
_hRequest=NULL;
}
}catch(const char *szm){
nread=0;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, szm);
}catch(...){
nread=0;
__w3cexcept(_szaddress.c_str(), _nport, _t, szuri, "unknown exception...");
}
return nread;
}
void __w3curlparse(const char *szurl,
char *szprotocol, char *szuser, char *szpassword,
char *szaddress, unsigned long &nport, char *szuri){
char szport[1024]="\0";
unsigned long npos=0;
bool bflag=false;
while(strlen(szurl)>0 && npos<strlen(szurl) && strncmp((szurl+npos), ":", 1))
++npos;
if(!strncmp((szurl+npos+1), "/", 1)){ // is protocol
if(szprotocol){
strncpy(szprotocol, szurl, npos);
szprotocol[npos]=0;
}
bflag=true;
}else{ // is host
if(szprotocol){
strncpy(szprotocol, "http", 4);
szprotocol[5]='\0';
}
}
unsigned long nsp=0, usp=0;
if(bflag){
usp=nsp=npos+=3;
}else{
usp=nsp=npos=0;
}
while(strlen(szurl)>0 && usp<strlen(szurl) && strncmp((szurl+usp), "@", 1))
++usp;
if(usp<strlen(szurl)){ // find username and find password
unsigned long ssp=nsp;
while(strlen(szurl)>0 && npos<strlen(szurl) && strncmp((szurl+ssp), ":", 1))
++ssp;
if(ssp<usp){// find
strncpy(szuser, szurl+nsp, ssp-nsp);
szuser[ssp-nsp+1]='\0';
strncpy(szpassword, szurl+ssp+1, usp-ssp-1);
szpassword[usp-ssp]='\0';
}
nsp=npos=usp+1;
}
bflag=false;
while(strlen(szurl)>0 && npos<strlen(szurl) && strncmp((szurl+npos), "/", 1))
++npos;
unsigned long nf=nsp;
for(;nf<=npos;nf++){
if(!strncmp((szurl+nf), ":", 1)){ // find PORT
bflag=true;
break;
}
}
if(bflag){
char sztmp[1024]="\0";
strncpy(sztmp, (szurl+nf+1), npos-nf);
nport=atol(sztmp);
strncpy(szaddress, (szurl+nsp), nf-nsp);
}else if(!strcmp(szprotocol,"https")){
nport=INTERNET_DEFAULT_HTTPS_PORT;
strncpy(szaddress, (szurl+nsp), npos-nsp);
}else if(!strcmp(szprotocol, "ftp")){
nport=INTERNET_DEFAULT_FTP_PORT;
strncpy(szaddress, (szurl+nsp), npos-nsp);
}else {
nport=INTERNET_DEFAULT_HTTP_PORT;
strncpy(szaddress, (szurl+nsp), npos-nsp);
}
if(npos<strlen(szurl)){ // find URI
strncpy(szuri, (szurl+npos), strlen(szurl)-npos);
}else{
szuri[0]='/';
szuri[1]='\0';
}
return;
}
// Asynchronized www client
bool AsyncW3Client::Connect(const char *szaddress,
INTERNET_STATUS_CALLBACK lpfn,
const char *szuser /*=NULL*/,
const char *szpassword /*=NULL*/,
const char *szagent /*=__W3_DEFAULT_AGENT*/){
char szp[__DEFAULT_BUF_SIZE]="\0", szus[__DEFAULT_BUF_SIZE]="\0", szpw[__DEFAULT_BUF_SIZE]="\0";
char sza[__DEFAULT_BUF_SIZE]="\0", szuri[__DEFAULT_BUF_SIZE]="\0";
unsigned long port=0;
__w3curlparse(szaddress, szp, szus, szpw, sza, port, szuri);
w3t wt;
if(!strncmp(szp, "https", 5))
wt=w3https;
else if(!strncmp(szp, "http", 4))
wt=w3http;