mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2024-11-14 12:18:22 +00:00
410 lines
13 KiB
C++
410 lines
13 KiB
C++
// Useful sites
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// http://www.faqs.org\rfcs\rfc2821.html
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// http://en.wikipedia.org/wiki/Base64
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// http://www2.rad.com\networks/1995/mime/examples.htm
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#include "EmailSender.h"
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#include "TCPInterface.h"
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#include "GetTime.h"
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#include "Rand.h"
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#include "FileList.h"
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#include "BitStream.h"
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#include <stdio.h>
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#if defined(_XBOX360)
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#include "Console1Includes.h"
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#endif
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#include "RakSleep.h"
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static const char base64Map[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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const char *EmailSender::Send(const char *hostAddress, unsigned short hostPort, const char *sender, const char *recipient, const char *senderName, const char *recipientName, const char *subject, const char *body, FileList *attachedFiles, bool doPrintf, const char *password)
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{
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Packet *packet;
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char query[1024];
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TCPInterface tcpInterface;
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SystemAddress emailServer;
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if (tcpInterface.Start(0, 0)==false)
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return "Unknown error starting TCP";
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emailServer=tcpInterface.Connect(hostAddress, hostPort,true);
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if (emailServer==UNASSIGNED_SYSTEM_ADDRESS)
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return "Failed to connect to host";
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RakNetTime timeoutTime = RakNet::GetTime()+3000;
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packet=0;
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while (RakNet::GetTime() < timeoutTime)
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{
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packet = tcpInterface.Receive();
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if (packet)
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{
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if (doPrintf)
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printf("%s", packet->data);
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break;
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}
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RakSleep(250);
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}
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if (packet==0)
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return "Timeout while waiting for initial data from server.";
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tcpInterface.Send("EHLO\r\n", 6, emailServer);
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const char *response;
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bool authenticate=false;
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#ifdef _MSC_VER
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#pragma warning(disable:4127) // conditional expression is constant
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#endif
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while (1)
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{
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response=GetResponse(&tcpInterface, emailServer, doPrintf);
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if (response!=0 && strcmp(response, "AUTHENTICATE")==0)
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{
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authenticate=true;
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break;
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}
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// Something other than continue?
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if (response!=0 && strcmp(response, "CONTINUE")!=0)
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return response;
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// Success?
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if (response==0)
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break;
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}
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if (authenticate)
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{
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sprintf(query, "EHLO %s\r\n", sender);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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response=GetResponse(&tcpInterface, emailServer, doPrintf);
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if (response!=0)
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return response;
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if (password==0)
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return "Password needed";
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char *outputData = new char [(strlen(sender)+strlen(password)+2)*3];
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RakNet::BitStream bs;
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char zero=0;
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bs.Write(&zero,1);
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bs.Write(sender,(const unsigned int)strlen(sender));
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//bs.Write("jms1@jms1.net",(const unsigned int)strlen("jms1@jms1.net"));
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bs.Write(&zero,1);
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bs.Write(password,(const unsigned int)strlen(password));
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bs.Write(&zero,1);
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//bs.Write("not.my.real.password",(const unsigned int)strlen("not.my.real.password"));
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Base64Encoding((const char*)bs.GetData(), bs.GetNumberOfBytesUsed(), outputData, base64Map);
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sprintf(query, "AUTH PLAIN %s", outputData);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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response=GetResponse(&tcpInterface, emailServer, doPrintf);
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if (response!=0)
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return response;
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}
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if (sender)
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sprintf(query, "MAIL From: <%s>\r\n", sender);
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else
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sprintf(query, "MAIL From: <>\r\n");
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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if (recipient)
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sprintf(query, "RCPT TO: <%s>\r\n", recipient);
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else
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sprintf(query, "RCPT TO: <>\r\n");
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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response=GetResponse(&tcpInterface, emailServer, doPrintf);
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if (response!=0)
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return response;
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tcpInterface.Send("DATA\r\n", (unsigned int)strlen("DATA\r\n"), emailServer);
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response=GetResponse(&tcpInterface, emailServer, doPrintf);
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if (response!=0)
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return response;
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if (subject)
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{
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sprintf(query, "Subject: %s\r\n", subject);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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}
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if (senderName)
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{
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sprintf(query, "From: %s\r\n", senderName);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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}
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if (recipientName)
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{
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sprintf(query, "To: %s\r\n", recipientName);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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}
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const int boundarySize=60;
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char boundary[boundarySize+1];
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int i,j;
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if (attachedFiles && attachedFiles->fileList.Size())
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{
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seedMT(RakNet::GetTime());
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// Random multipart message boundary
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for (i=0; i < boundarySize; i++)
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boundary[i]=base64Map[randomMT()%64];
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boundary[boundarySize]=0;
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}
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sprintf(query, "MIME-version: 1.0\r\n");
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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if (attachedFiles && attachedFiles->fileList.Size())
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{
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sprintf(query, "Content-type: multipart/mixed; BOUNDARY=\"%s\"\r\n\r\n", boundary);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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sprintf(query, "This is a multi-part message in MIME format.\r\n\r\n--%s\r\n", boundary);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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}
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sprintf(query, "Content-Type: text/plain; charset=\"US-ASCII\"\r\n\r\n");
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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// Write the body of the email, doing some lame shitty shit where I have to make periods at the start of a newline have a second period.
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char *newBody;
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int bodyLength;
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bodyLength=(int)strlen(body);
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newBody = (char*) rakMalloc( bodyLength*3 );
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if (bodyLength>0)
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newBody[0]=body[0];
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for (i=1, j=1; i < bodyLength; i++)
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{
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// Transform \n . \r \n into \n . . \r \n
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if (i < bodyLength-2 &&
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body[i-1]=='\n' &&
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body[i+0]=='.' &&
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body[i+1]=='\r' &&
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body[i+2]=='\n')
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{
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newBody[j++]='.';
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newBody[j++]='.';
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newBody[j++]='\r';
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newBody[j++]='\n';
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i+=2;
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}
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// Transform \n . . \r \n into \n . . . \r \n
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// Having to process .. is a bug in the mail server - the spec says ONLY \r\n.\r\n should be transformed
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else if (i <= bodyLength-3 &&
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body[i-1]=='\n' &&
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body[i+0]=='.' &&
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body[i+1]=='.' &&
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body[i+2]=='\r' &&
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body[i+3]=='\n')
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{
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newBody[j++]='.';
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newBody[j++]='.';
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newBody[j++]='.';
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newBody[j++]='\r';
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newBody[j++]='\n';
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i+=3;
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}
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// Transform \n . \n into \n . . \r \n (this is a bug in the mail server - the spec says do not count \n alone but it does)
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else if (i < bodyLength-1 &&
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body[i-1]=='\n' &&
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body[i+0]=='.' &&
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body[i+1]=='\n')
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{
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newBody[j++]='.';
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newBody[j++]='.';
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newBody[j++]='\r';
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newBody[j++]='\n';
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i+=1;
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}
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// Transform \n . . \n into \n . . . \r \n (this is a bug in the mail server - the spec says do not count \n alone but it does)
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// In fact having to process .. is a bug too - because the spec says ONLY \r\n.\r\n should be transformed
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else if (i <= bodyLength-2 &&
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body[i-1]=='\n' &&
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body[i+0]=='.' &&
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body[i+1]=='.' &&
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body[i+2]=='\n')
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{
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newBody[j++]='.';
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newBody[j++]='.';
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newBody[j++]='.';
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newBody[j++]='\r';
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newBody[j++]='\n';
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i+=2;
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}
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else
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newBody[j++]=body[i];
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}
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newBody[j++]='\r';
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newBody[j++]='\n';
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tcpInterface.Send(newBody, j, emailServer);
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rakFree(newBody);
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int outputOffset;
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// What a pain in the rear. I have to map the binary to printable characters using 6 bits per character.
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if (attachedFiles && attachedFiles->fileList.Size())
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{
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for (i=0; i < (int) attachedFiles->fileList.Size(); i++)
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{
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// Write boundary
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sprintf(query, "\r\n--%s\r\n", boundary);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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sprintf(query, "Content-Type: APPLICATION/Octet-Stream; SizeOnDisk=%i; name=\"%s\"\r\nContent-Transfer-Encoding: BASE64\r\nContent-Description: %s\r\n\r\n", attachedFiles->fileList[i].dataLengthBytes, attachedFiles->fileList[i].filename, attachedFiles->fileList[i].filename);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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newBody = (char*) rakMalloc( (size_t) (attachedFiles->fileList[i].dataLengthBytes*3)/2 );
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outputOffset=Base64Encoding(attachedFiles->fileList[i].data, (int) attachedFiles->fileList[i].dataLengthBytes, newBody, base64Map);
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// Send the base64 mapped file.
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tcpInterface.Send(newBody, outputOffset, emailServer);
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rakFree(newBody);
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}
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// Write last boundary
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sprintf(query, "\r\n--%s--\r\n", boundary);
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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}
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sprintf(query, "\r\n.\r\n");
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tcpInterface.Send(query, (unsigned int)strlen(query), emailServer);
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response=GetResponse(&tcpInterface, emailServer, doPrintf);
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if (response!=0)
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return response;
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tcpInterface.Send("QUIT\r\n", (unsigned int)strlen("QUIT\r\n"), emailServer);
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RakSleep(30);
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if (doPrintf)
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{
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packet = tcpInterface.Receive();
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while (packet)
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{
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printf("%s", packet->data);
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packet = tcpInterface.Receive();
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}
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}
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tcpInterface.Stop();
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return 0; // Success
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}
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const char *EmailSender::GetResponse(TCPInterface *tcpInterface, const SystemAddress &emailServer, bool doPrintf)
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{
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Packet *packet;
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RakNetTime timeout;
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timeout=RakNet::GetTime()+5000;
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#ifdef _MSC_VER
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#pragma warning( disable : 4127 ) // warning C4127: conditional expression is constant
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#endif
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while (1)
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{
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if (tcpInterface->HasLostConnection()==emailServer)
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return "Connection to server lost.";
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packet = tcpInterface->Receive();
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if (packet)
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{
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if (doPrintf)
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{
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printf("%s", packet->data);
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}
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#if defined(OPEN_SSL_CLIENT_SUPPORT)
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if (strstr((const char*)packet->data, "220"))
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{
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tcpInterface->StartSSLClient(packet->systemAddress);
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return "AUTHENTICATE"; // OK
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}
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#endif
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if (strstr((const char*)packet->data, "235"))
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return 0; // Authentication accepted
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if (strstr((const char*)packet->data, "354"))
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return 0; // OK
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#if defined(OPEN_SSL_CLIENT_SUPPORT)
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if (strstr((const char*)packet->data, "250-STARTTLS"))
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{
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tcpInterface->Send("STARTTLS\r\n", (unsigned int) strlen("STARTTLS\r\n"), packet->systemAddress);
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return "CONTINUE";
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}
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#endif
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if (strstr((const char*)packet->data, "250"))
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return 0; // OK
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if (strstr((const char*)packet->data, "550"))
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return "Failed on error code 550";
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if (strstr((const char*)packet->data, "553"))
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return "Failed on error code 553";
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}
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if (RakNet::GetTime() > timeout)
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return "Timed out";
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RakSleep(100);
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}
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}
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int EmailSender::Base64Encoding(const char *inputData, int dataLength, char *outputData, const char *base64Map)
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{
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int outputOffset, charCount;
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int write3Count;
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outputOffset=0;
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charCount=0;
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int j;
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write3Count=dataLength/3;
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for (j=0; j < write3Count; j++)
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{
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// 6 leftmost bits from first byte, shifted to bits 7,8 are 0
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outputData[outputOffset++]=base64Map[inputData[j*3+0] >> 2];
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if ((++charCount % 76)==0) {outputData[outputOffset++]='\r'; outputData[outputOffset++]='\n'; charCount=0;}
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// Remaining 2 bits from first byte, placed in position, and 4 high bits from the second byte, masked to ignore bits 7,8
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outputData[outputOffset++]=base64Map[((inputData[j*3+0] << 4) | (inputData[j*3+1] >> 4)) & 63];
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if ((++charCount % 76)==0) {outputData[outputOffset++]='\r'; outputData[outputOffset++]='\n'; charCount=0;}
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// 4 low bits from the second byte and the two high bits from the third byte, masked to ignore bits 7,8
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outputData[outputOffset++]=base64Map[((inputData[j*3+1] << 2) | (inputData[j*3+2] >> 6)) & 63]; // Third 6 bits
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if ((++charCount % 76)==0) {outputData[outputOffset++]='\r'; outputData[outputOffset++]='\n'; charCount=0;}
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// Last 6 bits from the third byte, masked to ignore bits 7,8
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outputData[outputOffset++]=base64Map[inputData[j*3+2] & 63];
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if ((++charCount % 76)==0) {outputData[outputOffset++]='\r'; outputData[outputOffset++]='\n'; charCount=0;}
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}
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if (dataLength % 3==1)
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{
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// One input byte remaining
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outputData[outputOffset++]=base64Map[inputData[j*3+0] >> 2];
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if ((++charCount % 76)==0) {outputData[outputOffset++]='\r'; outputData[outputOffset++]='\n'; charCount=0;}
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// Pad with two equals
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outputData[outputOffset++]='=';
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outputData[outputOffset++]='=';
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}
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else if (dataLength % 3==2)
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{
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// Two input bytes remaining
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// 6 leftmost bits from first byte, shifted to bits 7,8 are 0
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outputData[outputOffset++]=base64Map[inputData[j*3+0] >> 2];
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if ((++charCount % 76)==0) {outputData[outputOffset++]='\r'; outputData[outputOffset++]='\n'; charCount=0;}
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// Remaining 2 bits from first byte, placed in position, and 4 high bits from the second byte, masked to ignore bits 7,8
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outputData[outputOffset++]=base64Map[((inputData[j*3+0] << 4) | (inputData[j*3+1] >> 4)) & 63];
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if ((++charCount % 76)==0) {outputData[outputOffset++]='\r'; outputData[outputOffset++]='\n'; charCount=0;}
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// 4 low bits from the second byte, followed by 00
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outputData[outputOffset++]=base64Map[(inputData[j*3+1] << 2) & 63]; // Third 6 bits
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if ((++charCount % 76)==0) {outputData[outputOffset++]='\r'; outputData[outputOffset++]='\n'; charCount=0;}
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// Pad with one equal
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outputData[outputOffset++]='=';
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//outputData[outputOffset++]='=';
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}
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// Append \r\n
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outputData[outputOffset++]='\r';
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outputData[outputOffset++]='\n';
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outputData[outputOffset]=0;
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return outputOffset;
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}
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