WinInet进阶：发送邮件
上一篇文章http://blog.csdn.net/wangjiannuaa/article/details/6949368阐述了winInet基本使用方法。登录邮箱后干啥？当然是发邮件了~搞了半天终于把程序调通了。
首先还是分析真实的环境，邮件是怎么发送出去的，所谓分析，在这里就是抓包看数据了。
如下图所示，上一篇文章基础，也就是登录邮箱后，动作分解为三步骤：1.进入基本版-2.点击写信-3.点击发送。至于为什么是基本版，前文已有论述，是为了避免繁文缛节，把数据包尽可能得简化。
对应的文本如下
第一步，进入基本版：
GET http://m1.mail.sina.com.cn/basic/ HTTP/1.1
Accept: text/html, application/xhtml+xml, */*
Referer: http://m1.mail.sina.com.cn/basic/listmail.php?fid=new
Accept-Language: zh-CN
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; MAAU)
Accept-Encoding: gzip, deflate
Host: m1.mail.sina.com.cn
Connection: Keep-Alive
Cookie: [email protected]; SINAMAIL-WEBFACE-SESSID=4810c7c33fc1e1c6682bceab4ddef2c6; UOR=,,; U_TRS1=000000b4.2d6a4a30.4dbeccdf.f7085a45; vjuids=-8a3c2a43b.12f673b30db.0.8ab6cd7a91ca3; vjlast=1304434711; SINAGLOBAL=00000049.c6df3442.4e8ecea8.c10d0d3d; ULV=1320821256248:19:9:9:00000042.71d45d8d.4eba2208.9827aebf:1320816503894; ALLYESID4=00110503104143503706036; SGUP=0; mvsign=v%3D%2Atz%3Cc5uhs4CE5F_%24Uf5%3E; loginType=freemail; SHOW_TIP_BOX=1; _s_upa=7; ULOGIN_IMG=13208272802654; Apache=00000042.71d45d8d.4eba2208.9827aebf; SID=BdimHsH8SQooBHNNxsHHNHgo4oBBrWWBBoWHN8nirxHHNoWBgxW8yoW; SPRIAL=d38fb34629f58bca2d47db89f8bcc1f5; SINA_USER=j; U_TRS2=000000a2.1e3514bd.4eba226c.e1f9f60b; SUE=es%3D08613ec0baa20bc5de1c64800beebcd4%26ev%3Dv1%26es2%3Db3819624e7f5c93ed6e9ffd2f7667ccb%26rs0%3DegQRXaekdBX0Cv4RZLVGeN%252BJov2MOCrllf%252BT5K%252FHgqxOfu7Z3F8xlJHKpglceCpId1YzV%252FFh91g5tZvk86raopv99gWgxx%252FfAaEFoC6DeskUGWkmwKVO9yAspaUSOo4SPSzMlZX0Gy%252BkHtU%252BsOx7rVIVjNy6Zezg5oyexRYLOPk%253D%26rv%3D0; SUP=cv%3D1%26bt%3D1320827324%26et%3D1320913724%26lt%3D1%26uid%3D2521991044%26user%3Djimmy_cmd.%252A%252A%26ag%3D9%26name%3Djimmy_cmd%2540sina.com%26nick%3Djimmy_cmd%26sex%3D%26ps%3D0%26email%3Djimmy_cmd%2540sina.com%26dob%3D%26ln%3Djimmy_cmd%2540sina.com%26os%3D%26fmp%3D%26lcp%3D%26us%3D; SWEBAPPSESSID=ff951a6cf52f9a9cdfb8dfd7b67d0b8b; SWMHA=SWMHA137; WTP_VISSTATUS=TRUE; WTP_VISTAB=address
第二步，点击写信：
GET http://m1.mail.sina.com.cn/basic/writemail.php HTTP/1.1
Accept: text/html, application/xhtml+xml, */*
Referer: http://m1.mail.sina.com.cn/basic/
Accept-Language: zh-CN
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; MAAU)
Accept-Encoding: gzip, deflate
Host: m1.mail.sina.com.cn
Connection: Keep-Alive
Cookie: [email protected]; SINAMAIL-WEBFACE-SESSID=4810c7c33fc1e1c6682bceab4ddef2c6; UOR=,,; U_TRS1=000000b4.2d6a4a30.4dbeccdf.f7085a45; vjuids=-8a3c2a43b.12f673b30db.0.8ab6cd7a91ca3; vjlast=1304434711; SINAGLOBAL=00000049.c6df3442.4e8ecea8.c10d0d3d; ULV=1320821256248:19:9:9:00000042.71d45d8d.4eba2208.9827aebf:1320816503894; ALLYESID4=00110503104143503706036; SGUP=0; mvsign=v%3D%2Atz%3Cc5uhs4CE5F_%24Uf5%3E; loginType=freemail; SHOW_TIP_BOX=1; _s_upa=7; ULOGIN_IMG=13208272802654; Apache=00000042.71d45d8d.4eba2208.9827aebf; SID=BdimHsH8SQooBHNNxsHHNHgo4oBBrWWBBoWHN8nirxHHNoWBgxW8yoW; SPRIAL=d38fb34629f58bca2d47db89f8bcc1f5; SINA_USER=j; U_TRS2=000000a2.1e3514bd.4eba226c.e1f9f60b; SUE=es%3D08613ec0baa20bc5de1c64800beebcd4%26ev%3Dv1%26es2%3Db3819624e7f5c93ed6e9ffd2f7667ccb%26rs0%3DegQRXaekdBX0Cv4RZLVGeN%252BJov2MOCrllf%252BT5K%252FHgqxOfu7Z3F8xlJHKpglceCpId1YzV%252FFh91g5tZvk86raopv99gWgxx%252FfAaEFoC6DeskUGWkmwKVO9yAspaUSOo4SPSzMlZX0Gy%252BkHtU%252BsOx7rVIVjNy6Zezg5oyexRYLOPk%253D%26rv%3D0; SUP=cv%3D1%26bt%3D1320827324%26et%3D1320913724%26lt%3D1%26uid%3D2521991044%26user%3Djimmy_cmd.%252A%252A%26ag%3D9%26name%3Djimmy_cmd%2540sina.com%26nick%3Djimmy_cmd%26sex%3D%26ps%3D0%26email%3Djimmy_cmd%2540sina.com%26dob%3D%26ln%3Djimmy_cmd%2540sina.com%26os%3D%26fmp%3D%26lcp%3D%26us%3D; SWEBAPPSESSID=ff951a6cf52f9a9cdfb8dfd7b67d0b8b; SWMHA=SWMHA137; WTP_VISSTATUS=TRUE; WTP_VISTAB=address
第三步，点击发送：
POST http://m1.mail.sina.com.cn/basic/sendmail.php HTTP/1.1
Accept: text/html, application/xhtml+xml, */*
Referer: http://m1.mail.sina.com.cn/basic/writemail.php
Accept-Language: zh-CN
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; MAAU)
Content-Type: multipart/form-data; boundary=---------------------------7db2a861008aa
Accept-Encoding: gzip, deflate
Host: m1.mail.sina.com.cn
Content-Length: 1305
Connection: Keep-Alive
Pragma: no-cache
Cookie: [email protected]; SINAMAIL-WEBFACE-SESSID=4810c7c33fc1e1c6682bceab4ddef2c6; UOR=,,; U_TRS1=000000b4.2d6a4a30.4dbeccdf.f7085a45; vjuids=-8a3c2a43b.12f673b30db.0.8ab6cd7a91ca3; vjlast=1304434711; SINAGLOBAL=00000049.c6df3442.4e8ecea8.c10d0d3d; ULV=1320821256248:19:9:9:00000042.71d45d8d.4eba2208.9827aebf:1320816503894; ALLYESID4=00110503104143503706036; SGUP=0; mvsign=v%3D%2Atz%3Cc5uhs4CE5F_%24Uf5%3E; loginType=freemail; SHOW_TIP_BOX=1; _s_upa=7; ULOGIN_IMG=13208272802654; Apache=00000042.71d45d8d.4eba2208.9827aebf; SID=BdimHsH8SQooBHNNxsHHNHgo4oBBrWWBBoWHN8nirxHHNoWBgxW8yoW; SPRIAL=d38fb34629f58bca2d47db89f8bcc1f5; SINA_USER=j; U_TRS2=000000a2.1e3514bd.4eba226c.e1f9f60b; SUE=es%3D08613ec0baa20bc5de1c64800beebcd4%26ev%3Dv1%26es2%3Db3819624e7f5c93ed6e9ffd2f7667ccb%26rs0%3DegQRXaekdBX0Cv4RZLVGeN%252BJov2MOCrllf%252BT5K%252FHgqxOfu7Z3F8xlJHKpglceCpId1YzV%252FFh91g5tZvk86raopv99gWgxx%252FfAaEFoC6DeskUGWkmwKVO9yAspaUSOo4SPSzMlZX0Gy%252BkHtU%252BsOx7rVIVjNy6Zezg5oyexRYLOPk%253D%26rv%3D0; SUP=cv%3D1%26bt%3D1320827324%26et%3D1320913724%26lt%3D1%26uid%3D2521991044%26user%3Djimmy_cmd.%252A%252A%26ag%3D9%26name%3Djimmy_cmd%2540sina.com%26nick%3Djimmy_cmd%26sex%3D%26ps%3D0%26email%3Djimmy_cmd%2540sina.com%26dob%3D%26ln%3Djimmy_cmd%2540sina.com%26os%3D%26fmp%3D%26lcp%3D%26us%3D; SWEBAPPSESSID=ff951a6cf52f9a9cdfb8dfd7b67d0b8b; SWMHA=SWMHA137; WTP_VISSTATUS=TRUE; WTP_VISTAB=address
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="to"
[email protected]
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="cc"
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="bcc"
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="subject"
subject-basic
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="atth1"; filename=""
Content-Type: application/octet-stream
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="atth2"; filename=""
Content-Type: application/octet-stream
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="atth3"; filename=""
Content-Type: application/octet-stream
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="body"
hello-basic-version.
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="saveSent"
1
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="action"
-----------------------------7db2a861008aa
Content-Disposition: form-data; name="a_sendmail"
发 送
-----------------------------7db2a861008aa--
下面，就是要用WinInet API模拟以上三个过程就好了！
/******************************************************************
* 向奋战在刀光剑影中的特洛伊勇士们致敬
* 2011.11.07
* 于 南京航空航天大学 电子信息工程学院
******************************************************************/
#include<windows.h>
#include<wininet.h>
#include <iostream>
using namespace std;
#pragma comment(lib,"wininet.lib")
HINTERNET hSession = NULL;
HINTERNET hConnect = NULL;
HINTERNET hRequest = NULL;
//////////////////////////////////////////////////////////////////////////
//构造邮件体
//注意行与行中间没有空格
//////////////////////////////////////////////////////////////////////////
void BuildMailContent(PSTR szFormData)
{
strcpy(szFormData,"\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"to\"\r\n\
\r\n\
[email protected]\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"cc\"\r\n\
\r\n\
[email protected]\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"bcc\"\r\n\
\r\n\
\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"subject\"\r\n\
\r\n\
subject-basic\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"atth1\"; filename=\"\"\r\n\
Content-Type: application/octet-stream\r\n\
\r\n\
\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"atth2\"; filename=\"\"\r\n\
Content-Type: application/octet-stream\r\n\
\r\n\
\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"atth3\"; filename=\"\"\r\n\
Content-Type: application/octet-stream\r\n\
\r\n\
\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"body\"\r\n\
\r\n\
application-send : send content!\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"saveSent\"\r\n\
\r\n\
1\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"action\"\r\n\
\r\n\
\r\n\
-----------------------------7db2a861008aa\r\n\
Content-Disposition: form-data; name=\"a_sendmail\"\r\n\
\r\n\
发 送\r\n\
-----------------------------7db2a861008aa--\r\n");
}
//////////////////////////////////////////////////////////////////////////
//将返回的页面写入磁盘文件
//////////////////////////////////////////////////////////////////////////
BOOL WriteFileToDisk(LPCSTR lpFileName,HINTERNET& hInternet)
{
CHAR szRecvBuf[1024+1]; // 接受数据缓冲区
DWORD dwNumberOfBytesRead; // 服务器返回大小
DWORD dwRecvTotalSize=0; // 接受数据总大小
DWORD dwRecvBuffSize=0; // 接受数据buf的大小
BOOL bReturn = FALSE;
memset(szRecvBuf,0,1024+1);
DWORD dwNumberOfBytesWritten ;
HANDLE hOpenFile = (HANDLE)CreateFileA(lpFileName,GENERIC_WRITE,0,NULL,OPEN_ALWAYS,NULL,NULL);
if (hOpenFile == INVALID_HANDLE_VALUE)
{
hOpenFile = NULL;
return FALSE;
}
do
{
bReturn = InternetReadFile(hInternet,szRecvBuf,1024,&dwNumberOfBytesRead);
if(!bReturn)
{
break;
}
// 统计接受数据的大小
szRecvBuf[dwNumberOfBytesRead] = '\0';
dwRecvTotalSize += dwNumberOfBytesRead;
dwRecvBuffSize += strlen(szRecvBuf);
WriteFile(hOpenFile,szRecvBuf,dwNumberOfBytesRead,&dwNumberOfBytesWritten,NULL);
} while (dwNumberOfBytesRead !=0);
CloseHandle(hOpenFile);
return TRUE;
}
//////////////////////////////////////////////////////////////////////////
//初始化HINTERNET 建立连接
//////////////////////////////////////////////////////////////////////////
BOOL InitionWinInet()
{
//InternetOpenA
LPCSTR lpszAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; MAAU)";
DWORD dwAccessType = INTERNET_OPEN_TYPE_PRECONFIG;
hSession = InternetOpenA(lpszAgent,dwAccessType,NULL,NULL,0);
if (!hSession)
{
return FALSE;
}
return TRUE;
}
//////////////////////////////////////////////////////////////////////////
//模拟点击登录邮箱
//////////////////////////////////////////////////////////////////////////
BOOL ClickToLoginEmail()
{
//InternetConnectA
LPCSTR lpszServerName = "mail.sina.com.cn";
INTERNET_PORT nServerPort = INTERNET_DEFAULT_HTTP_PORT;
DWORD dwService = INTERNET_SERVICE_HTTP;
hConnect = InternetConnectA(hSession,lpszServerName,nServerPort,NULL,NULL,dwService,0,1);
if (!hConnect)
{
return FALSE;
}
//HttpOpenRequestA
LPCSTR lpszVerb = "POST";
LPCSTR lpszObjectName = "cgi-bin/login.php"; //网站的对象名，网址在InternetConnectA第二个参数指定
LPCSTR lpszVersion = "HTTP/1.1";
LPCSTR lpszReferrer = "http://mail.sina.com.cn/cgi-bin/login.php";
LPCSTR lpszAcceptTypes = "text/html, application/xhtml+xml, */*";
DWORD dwFlags = INTERNET_FLAG_RELOAD;
hRequest = HttpOpenRequestA(hConnect,lpszVerb,lpszObjectName,lpszVersion,lpszReferrer,&lpszAcceptTypes,dwFlags,1);
if (!hRequest)
{
return FALSE;
}
//HttpSendRequestA
LPCSTR lpszHeaders = "Content-Type: application/x-www-form-urlencoded\r\n";
DWORD dwHeadersLength=-1L;
char szFormData[1024]={0};
strcpy(szFormData,"logintype=uid&u=jimmy_cmd&psw=123abc&product=mail&%B5%C7%C2%BC=%B5%C7+%C2%BC\r\n");
LPVOID pBuf = (LPVOID)szFormData;
BOOL bReturn = HttpSendRequestA(hRequest,lpszHeaders,dwHeadersLength,pBuf,strlen(szFormData));
if(!bReturn)
{
return FALSE;
}
LPCSTR lpFileName = "login.html";
WriteFileToDisk(lpFileName,hRequest);
return TRUE;
}
//////////////////////////////////////////////////////////////////////////
//模拟点击到基本版
//////////////////////////////////////////////////////////////////////////
BOOL ClickToBasicVersion()
{
LPCSTR lpszUrl = "http://m1.mail.sina.com.cn/basic/";
hRequest = InternetOpenUrlA(hSession,lpszUrl,NULL,0,INTERNET_FLAG_RELOAD,0);
if (!hRequest)
{
return FALSE;
}
LPCSTR lpFileName = "basic.html";
WriteFileToDisk(lpFileName,hRequest);
return TRUE;
}
//////////////////////////////////////////////////////////////////////////
//模拟点击写信按钮
//////////////////////////////////////////////////////////////////////////
BOOL ClickToWrite()
{
LPCSTR lpszUrl = "http://m1.mail.sina.com.cn/basic/writemail.php ";
hRequest = InternetOpenUrlA(hSession,lpszUrl,NULL,0,INTERNET_FLAG_RELOAD,0);
if (!hRequest)
{
return FALSE;
}
LPCSTR lpFileName = "write.html";
WriteFileToDisk(lpFileName,hRequest);
return TRUE;
}
//////////////////////////////////////////////////////////////////////////
//模拟点击发送邮件
//////////////////////////////////////////////////////////////////////////
BOOL ClickSendEmail()
{
//InternetConnectA
LPCSTR lpszServerName = "m1.mail.sina.com.cn";
INTERNET_PORT nServerPort = INTERNET_DEFAULT_HTTP_PORT;
DWORD dwService = INTERNET_SERVICE_HTTP;
hConnect = InternetConnectA(hSession,lpszServerName,nServerPort,NULL,NULL,dwService,0,1);
if (!hConnect)
{
return FALSE;
}
//HttpOpenRequestA
LPCSTR lpszVerb = "POST";
LPCSTR lpszObjectName = "basic/sendmail.php"; //网站的对象名，网址在InternetConnectA第二个参数指定
LPCSTR lpszVersion = "HTTP/1.1";
LPCSTR lpszReferrer = "http://m1.mail.sina.com.cn/basic/writemail.php";
LPCSTR lpszAcceptTypes = "text/html, application/xhtml+xml, */*";
DWORD dwFlags = INTERNET_FLAG_RELOAD;
hRequest = HttpOpenRequestA(hConnect,lpszVerb,lpszObjectName,lpszVersion,lpszReferrer,&lpszAcceptTypes,dwFlags,1);
if (!hRequest)
{
return FALSE;
}
//HttpSendRequestA
LPCSTR lpszHeaders = "Content-Type: multipart/form-data; boundary=---------------------------7db2a861008aa\r\n";
DWORD dwHeadersLength=-1L;
CHAR szContentData[10240]={0};
BuildMailContent(szContentData);
LPVOID pBuf = (LPVOID)szContentData;
BOOL bReturn = HttpSendRequestA(hRequest,lpszHeaders,dwHeadersLength,pBuf,strlen(szContentData));
if(!bReturn)
{
return FALSE;
}
return TRUE;
}
//////////////////////////////////////////////////////////////////////////
//主函数
//////////////////////////////////////////////////////////////////////////
void main()
{
BOOL isOK = FALSE ;
do
{
if (!InitionWinInet()){
break;
}
cout<<"InitionWinInet finished."<<endl;
if (!ClickToLoginEmail()){
break;
}
cout<<"ClickToLoginEmail finished."<<endl;
if (!ClickToBasicVersion()){
break;
}
cout<<"ClickToBasicVersion finished."<<endl;
if (!ClickToWrite()){
break;
}
cout<<"ClickToWrite finished."<<endl;
if (!ClickSendEmail()){
break;
}
cout<<"ClickSendEmail finished."<<endl;
} while (FALSE);
cout<<"Press any key to quit."<<endl;
getchar();
InternetCloseHandle(hSession);
InternetCloseHandle(hConnect);
InternetCloseHandle(hRequest);
}
测试得到的，写入磁盘的html文件可以辅助直观感受这个过程，也展示一下：
