📄 w3c.h
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/*
* $ dally project : www client
* ---------------------------------------------------------------------------------------
* description :
* W3Client ; synchronized www client class
* AsyncW3Client ; asynchronized www client class
*
* - HTTP/HTTPS support
* - GET method support
* - POST method support
* - POST Multiparts/form-data method support
* - FTP support
* - Get support
* - Put support
* - ETC
* - url parse
*
* special thanks.
* Yun Myungwook, Peter Newman, ...
*
* ----------------------------------------------------------------------------------------
* coded by Heo Yongseon ( gooshin@zzem.net )
*
* This code distributed under BSD License Style.
*
* -----------------------------------------------------------------------------------------
* TO DO :
*
* -----------------------------------------------------------------------------------------
* sample
*
* // synchronized(blocked) www client example
* #include <iostream>
* #include <net/w3c.h>
*
* using namespace std;
* using namespace dally;
*
* int main(int argc, char *argv[]){
*
* W3Client w3;
*
* if(w3.Connect("http://google.com")){
* if(w3.Request("/")){
* char buf[1024]="\0";
* while(w3.Response(reinterpret_cast<unsigned char *>(buf), 1024))
* cout << buf ;
* }
* w3.Close();
* }
* return 0;
* }
*
* // asynchronized www client example
* #include <iostream>
* #include <net/w3c.h>
* #include <wt.h>
* #include <windows.h>
*
* using namespace std;
* using namespace dally;
*
* CRITICAL_SECTION __cs;
*
* class AsDown : public AsyncW3Client, public IWORKERTHREAD {
* public:
* AsDown(unsigned int idx):AsyncW3Client(), IWORKERTHREAD(idx){}
* virtual ~AsDown(){}
* private:
* virtual void OnWork(){
* while(true){
* WaitCompleteRequest();
*
* unsigned char buf[1024]="\0";
* while(Response(buf, 1024)){
* ::EnterCriticalSection(&__cs);
* cout << reinterpret_cast<char*>(buf);
* ::LeaveCriticalSection(&__cs);
* memset(buf, 0x00, 1024);
* }
*
* ::Sleep(500);
* }
* }
* };
*
* void CALLBACK __getstatus( HINTERNET hInternet,
* DWORD_PTR dwContext,
* DWORD dwInternetStatus,
* LPVOID lpvStatusInformation,
* DWORD dwStatusInformationLength
* ){
*
* AsyncW3Client *pcontext=reinterpret_cast<AsyncW3Client*>(dwContext);
*
* unsigned long nbytes=0;
* ::EnterCriticalSection(&__cs);
* switch(dwInternetStatus){
* case INTERNET_STATUS_SENDING_REQUEST:
* cout << "request sending..." << endl;
* break;
* case INTERNET_STATUS_REQUEST_SENT:
* {
* unsigned long *pnsent=(unsigned long*)lpvStatusInformation;
* cout << "bytes sent: " << *pnsent << endl;
* nbytes+=*pnsent;
* cout << "request sent..." << endl;
* }
* break;
* case INTERNET_STATUS_REQUEST_COMPLETE:
* {
* INTERNET_ASYNC_RESULT *pAsyncRes = (INTERNET_ASYNC_RESULT *)lpvStatusInformation;
* cout << "Function call finished" << endl;
* cout << "dwResult: " << pAsyncRes->dwResult << endl;
* cout << "dwError: " << pAsyncRes->dwError << endl;
* cout.flush();
* pcontext->SetCompleteRequest();
* cout << "request complete..." << endl;
* }
* break;
* }
* ::LeaveCriticalSection(&__cs);
*
* return;
* }
*
* int main(int argc, char *argv[]){
*
* ::InitializeCriticalSection(&__cs);
*
* AsDown client(3);
*
* if(client.Connect("http://gooshin.zzem.net", __getstatus)){
*
* __wtstart(client);
*
* client.Request("/test.php");
* Sleep(5000);
*
* client.InitializePostArguments();
* client.AddPostArgument("f[]", "d:\\log1.txt", true);
* client.AddPostArgument("f[]", "d:\\log2.txt", true);
* client.AddPostArgument("f[]", "d:\\log3.txt", true);
* client.Request("/test.php", AsDown::reqPostMultipartsFormdata);
* Sleep(5000);
*
* client.InitializePostArguments();
* client.AddPostArgument("f", "sss");
* client.Request("/test2.php", AsDown::reqPost);
* Sleep(5000);
*
* __wtwait(client);
* client.Close();
* }
*
* ::DeleteCriticalSection(&__cs);
*
* return 0;
* }
*
*/
#ifdef WIN32
#ifndef __DALLY_HTTP_CLIENT
#define __DALLY_HTTP_CLIENT
#pragma warning(disable:4786)
#include <windows.h>
#include <winreg.h>
#include <wininet.h>
#include <string>
#include <list>
#include <cstdio>
#pragma comment(lib, "wininet.lib")
#define __W3_DEFAULT_AGENT "Mozilla/4.0 (compatible; )"
#define __DEFAULT_BOUNDRY_TAG "--MULTI-PARTS-FORM-DATA-BOUNDARY-"
#define __SIZE_HTTP_HEAD_LINE 2048
void __w3curlparse(const char *szurl,
char *szprotocol, char *szuser, char *szpassword,
char *szaddress, unsigned long &nport, char *szuri);
// synchronized www client
class W3Client {
public:
enum w3t { w3ftp, w3http, w3https };
enum w3m { reqGet, reqPost, reqPostMultipartsFormdata };
private:
typedef struct __HTTP_ARG {
std::string name;
std::string value;
bool f;
__HTTP_ARG(const char *szn, const char *szv, bool b=false): name(szn), value(szv) { if(b) f=true; else f=false; }
__HTTP_ARG(const char *szn, const int v): name(szn), f(false) { char t[15]="\0"; sprintf(t, "%d", v); value=t; }
__HTTP_ARG(const char *szn, const long v): name(szn), f(false) { char t[15]="\0"; sprintf(t, "%d", v); value=t; }
__HTTP_ARG(const char *szn, const float v): name(szn), f(false) { char t[15]="\0"; sprintf(t, "%f", v); value=t; }
__HTTP_ARG(const char *szn, const double v): name(szn), f(false) { char t[15]="\0"; sprintf(t, "%f", v); value=t; }
const char *type(){
static char szt[1024]="\0";
long nlen=1024;
unsigned long ndot=0;
for(ndot=name.length(); ndot>0; ndot--)
if(!strncmp( name.c_str()+ndot, ".", 1))
break;
HKEY hKEY;
const char *szword=name.c_str()+ndot;
if(RegOpenKeyEx(HKEY_CLASSES_ROOT, szword, 0, KEY_QUERY_VALUE, &hKEY)==ERROR_SUCCESS){
if(RegQueryValueEx(hKEY, TEXT("Content Type"), NULL, NULL, (LPBYTE)szt, (unsigned long*)&nlen)!=ERROR_SUCCESS)
strncpy(szt, "application/octet-stream", strlen("application/octet-stream"));
RegCloseKey(hKEY);
}else{
strncpy( szt, "application/octet-stream", strlen("application/octet-stream"));
}
return szt;
}
unsigned long length(){ return name.length()+value.length()+1; }
unsigned long dump(unsigned char *buf, unsigned long s){
memcpy(buf, name.c_str(), name.length());
memcpy(buf+name.length(), "=", 1);
memcpy(buf+name.length()+1, value.c_str(), value.length());
return name.length()+value.length()+1;
}
unsigned long length2() {
unsigned long len=0;
if(f){
HANDLE hFile=::CreateFile(value.c_str(),
GENERIC_READ, // desired access
FILE_SHARE_READ, // share mode
NULL, // security attribute
OPEN_EXISTING, // create disposition
FILE_ATTRIBUTE_NORMAL, // flag and attributes
NULL); // template file handle
len=__SIZE_HTTP_HEAD_LINE*3+::GetFileSize(hFile, NULL);
::CloseHandle(hFile);
}else
len=__SIZE_HTTP_HEAD_LINE*4;
return len;
}
unsigned long dump2(unsigned char *buf, unsigned long s, const char *boundry=__DEFAULT_BOUNDRY_TAG){
unsigned long l=0;
if(f){ // file
/*
sprintf( reinterpret_cast<char*>(buf),
"--%s\r\n"
"Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\n"
"\r\n"
"%s\r\n",
boundry, name.c_str(), value.c_str(), type());
l=2+strlen(boundry)+2+38+name.length()+13+value.length()+5+strlen(type())+2;
*/
sprintf( reinterpret_cast<char*>(buf),
"--%s\r\n"
"Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\n"
"\r\n",
boundry, name.c_str(), value.c_str());
l=2+strlen(boundry)+2+38+name.length()+13+value.length()+5;
HANDLE hFile=::CreateFile(value.c_str(),
GENERIC_READ, // desired access
FILE_SHARE_READ, // share mode
NULL, // security attribute
OPEN_EXISTING, // create disposition
FILE_ATTRIBUTE_NORMAL, // flag and attributes
NULL); // template file handle
if(hFile && hFile!=INVALID_HANDLE_VALUE){
unsigned long ns=::GetFileSize(hFile, NULL);
unsigned char *pbuf=buf+l;
unsigned long nread=0;
unsigned long nt=0;
while(::ReadFile(hFile, pbuf+nt, 1024, &nread, NULL) && nread>0 && nt<=ns)
nt+=nread;
memcpy(&(buf[l+nt]), "\r\n", 2);
::CloseHandle(hFile);
l+=nt;
l+=2;
}
}else{ // general form data
sprintf( reinterpret_cast<char*>(buf),
"--%s\r\n"
"Content-Disposition: form-data; name=\"%s\"\r\n"
"\r\n"
"%s\r\n",
boundry, name.c_str(), value.c_str());
l=2+strlen(boundry)+2+38+name.length()+5+value.length()+2;
}
return l;
}
} HTTP_ARG, *PHTTP_ARG;
typedef struct __HTTP_COOKIE {
std::string name;
std::string value;
__HTTP_COOKIE(const __HTTP_COOKIE& c): name(c.name), value(c.value) {}
__HTTP_COOKIE(const char *szn, const char*szv): name(szn), value(szv) {}
__HTTP_COOKIE(const char *szn, const int v): name(szn) { char t[15]="\0"; sprintf(t, "%d", v); value=t; }
__HTTP_COOKIE(const char *szn, const long v): name(szn) { char t[15]="\0"; sprintf(t, "%d", v); value=t; }
__HTTP_COOKIE(const char *szn, const float v): name(szn) { char t[15]="\0"; sprintf(t, "%f", v); value=t; }
__HTTP_COOKIE(const char *szn, const double v): name(szn) { char t[15]="\0"; sprintf(t, "%f", v); value=t; }
} HTTP_COOKIE, *PHTTP_COOKIE;
public:
W3Client(){ _hOpen=NULL; _hConnection=NULL, _hRequest=NULL; }
virtual ~W3Client(){ InitializePostArguments(); InitializeCookies();}
public:
bool Connect(const char *szaddress,
const char *szuser=NULL, const char *szpassword=NULL, const char *szagent=__W3_DEFAULT_AGENT);
virtual bool Connect(const char *szaddress, long nport,
const char *szuser=NULL, const char *szpassword=NULL,
w3t t=w3http, const char *szagent=__W3_DEFAULT_AGENT);
const char *GetURI(){ return _szuri.c_str(); }
void Close();
void InitializePostArguments();
void AddPostArgument(const char *szname, const int nvalue);
void AddPostArgument(const char *szname, const long nvalue);
void AddPostArgument(const char *szname, const float nvalue);
void AddPostArgument(const char *szname, const double nvalue);
void AddPostArgument(const char *szname, const char *szvalue, bool bfile=false);
void InitializeCookies();
void AddCookie(const char *szname, const double value);
void AddCookie(const char *szname, const float value);
void AddCookie(const char *szname, const long value);
void AddCookie(const char *szname, const int value);
void AddCookie(const char *szname, const char *szvalue);
bool Request(const char *szuri, w3m m=reqGet, const char *szref=NULL);
unsigned long Response(unsigned char *buf, unsigned long len);
unsigned int QueryResult();
const char * QueryContentType();
unsigned long QueryContentLength();
unsigned long QueryCookie(unsigned char *buf, unsigned long len, unsigned long idx=0);
unsigned long QueryRawHeader(unsigned char *buf, unsigned long len);
bool PutFile(const char *szuri, const char *szfile, bool ascii=false);
bool GetFile(const char *szuri, const char *szfile, bool ascii=false);
unsigned long PutFile(const char *szuri, unsigned char *buf, unsigned long len, bool ascii=false);
unsigned long GetFile(const char *szuri, unsigned char *buf, unsigned long len, bool ascii=false);
protected:
unsigned long GetMultiPartsFormDataLength();
void FreeMultiPartsFormData(unsigned char *buf);
unsigned long AllocMultiPartsFormData(unsigned char *&buf, const char *szboundry=__DEFAULT_BOUNDRY_TAG);
unsigned long GetPostData(unsigned char *buf, unsigned long len);
unsigned long GetPostArgumentsLength();
private:
virtual bool RequestPost2(const char *szuri, const char *szref=NULL);
virtual bool RequestPost(const char *szuri, const char *szref=NULL);
virtual bool RequestGet(const char *szuri, const char *szref=NULL);
protected:
HINTERNET _hOpen; // internet open handle
HINTERNET _hConnection; // internet connection handle
HINTERNET _hRequest; // internet request handle
std::string _szaddress;
std::string _szuser;
std::string _szpassword;
std::string _szuri;
long _nport;
w3t _t;
std::list<HTTP_ARG*> _listargs;
std::list<HTTP_COOKIE*> _listcookies;
};
// Asynchronized www client
class AsyncW3Client : public W3Client {
public:
AsyncW3Client():W3Client(){_hCompleteRequestEvent=NULL;}
public:
bool Connect(const char *szaddress,
INTERNET_STATUS_CALLBACK lpfn,
const char *szuser=NULL,
const char *szpassword=NULL,
const char *szagent=__W3_DEFAULT_AGENT);
bool Connect(const char *szaddress, long nport,
INTERNET_STATUS_CALLBACK lpfn,
const char *szuser=NULL, const char *szpassword=NULL,
w3t t=w3http, const char *szagent=__W3_DEFAULT_AGENT);
bool Request(const char *szuri, w3m m=reqGet, const char *szref=NULL){
_hCompleteRequestEvent=::CreateEvent(NULL, FALSE, FALSE, NULL);
return W3Client::Request(szuri, m, szref);
}
unsigned long Response(unsigned char *buf, unsigned long len){
::CloseHandle(_hCompleteRequestEvent);
_hCompleteRequestEvent=NULL;
return W3Client::Response(buf, len);
}
public:
void SetCompleteRequest();
bool WaitCompleteRequest(unsigned long ntime=INFINITE);
private:
virtual bool RequestPost2(const char *szuri, const char *szref=NULL);
virtual bool RequestPost(const char *szuri, const char *szref=NULL);
virtual bool RequestGet(const char *szuri, const char *szref=NULL);
private:
HANDLE _hCompleteRequestEvent;
};
#endif // !defined(__DALLY_HTTP_CLIENT)
#endif // defined(WIN32)⌨️ 快捷键说明
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