📄 proxyserver1.h

📁 一个代理服务器的实例
💻 H
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// ProxyServer1.h: interface for the CProxyServer class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_PROXYSERVER1_H__10E4037F_FB74_44A6_9CF7_C18DDCC1B062__INCLUDED_)
#define AFX_PROXYSERVER1_H__10E4037F_FB74_44A6_9CF7_C18DDCC1B062__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <io.h>
#include "afxinet.h"

#define AGM_OUTPUT				0x500
#define REQUEST_UNAUTHORIZED	1
#define VIRTUAL_RESOURCE		2
#define PARTIAL_CONTENT			4
#define BUFFER_SIZE				2048
#define SITEBASE "c:\\ProxyServer"


// string constant
#define STRCONTENT	"\
<HTML>\
<HEAD><TITLE>\
Connection limit exceeded\
</TITLE></HEAD>\
<BODY>\
<H1>Connection limit exceeded</H1>\
Please change to another proxy server or wait for decreasing of connections number.<P>\
<ADDRESS>Proxy server at %d.%d.%d.%d:%d ag</ADDRESS>\
</BODY>\
</HTML>\
"

#define STR407 "\
<HTML>\
<HEAD><TITLE>\
Proxy authorization required\
</TITLE></HEAD>\
<BODY>\
<H1>Proxy authorization required</H1>\
Username authentication is required for using this proxy.\
Either your browser does not perform proxy authorization, or your\
authorization has failed.<P>\
<ADDRESS>Proxy server at %d.%d.%d.%d:%d ag</ADDRESS>\
</BODY>\
</HTML>\
"
#define VIRTUAL_MAIN_PAGE "\
<HTML>\
<TITLE>Ag Virtual Home Page</TITLE>\
<BODY BACKGROUND=\"http://www.PersonalProxy.com/image/background.jpg\">\
<FONT COLOR=#00ffff>\
<H1>Personal Proxy</H1> by Ag<br><br>\
This is Virtual Page of site www.PersonalProxy.com<P>\
</BODY>\
</HTML>"


typedef struct tagWORKPARAM{
	SOCKET		sckClient;
	sockaddr_in	addr;
}WORKPARAM;

typedef struct tagHTTPHEADER{
	DWORD dwHttpStatus;
	int nVerMajor;
	int nVerMinor;
	char pszStatus[256];
	char pszType[256];
	char pszLocation[256];
	DWORD dwContSize;
	char * pContBegin;
}HTTPHEADER;


typedef struct tagREQUESTHEADER{
	DWORD dwFlag;

	char*		pszAuthBegin;
	char*		pszAuthEnd;
	char*		pszVirtualRes;
	char		pszUrl[512];
	char		pszUserPass[16];
	char*		pszContBegin;

	DWORD		dwRange;
	DWORD		dwContSize;
}REQUESTHEADER;

typedef struct tagProxyInfo{
	HWND	hWnd;
	
	int		nPort2nd;
	CString	strUser;
	CString strPasswd;
    
	CString strLocalAddr;
	CString strProxyAddr;
	int		nPort;	// local
}ProxyInfo;

typedef int(*ProcessCommand)(SOCKET, char*, char*);

class CProxyServer  
{
public:
	ProcessCommand  ProCommand;
	CProxyServer();
	virtual ~CProxyServer();
public:
	int		m_nConnectionCount;
	HANDLE	m_hConnectionCount;
	unsigned long	m_ulIpRefused[100];
	int		m_nRefused;
	ProxyInfo m_Info;
	WORKPARAM * pWorkParam;
	
	
public:
	BYTE GetSixBits(char* pszStr, int& i);
	BYTE Table(BYTE ot);
	void ContentType(char* pszFile, char* pszType);
	void UnCh(CProxyServer* pServer,char* pszStr);
	void Unbase64(CProxyServer* pServer,char* pszText, char* pszCode);
	DWORD RecvHeader(CProxyServer* pServer,SOCKET socket, char *buf, DWORD dwSize, HTTPHEADER* pHeader);
	void Base64(CProxyServer* pServer,char* pszSource, char* pszCode);
	void HttpService(CProxyServer* pServer,char * pszUrl, SOCKET sck, char* buf, REQUESTHEADER* pRequestHeader);
	int RecvRequest(CProxyServer* pServer,SOCKET sck, char * buf, DWORD dwSize, REQUESTHEADER * pRequestHeader);
	void OUTPUT(CProxyServer* pServer,LPCTSTR strMsg);
	static UINT ListenThread(LPVOID lpVoid);
	static UINT WorkingThread(LPVOID lpVoid);
};

#endif // !defined(AFX_PROXYSERVER1_H__10E4037F_FB74_44A6_9CF7_C18DDCC1B062__INCLUDED_)
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