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https://port.numenaute.org/aleajactaest/khanat-code-old.git
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356 lines
8.9 KiB
C++
356 lines
8.9 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdnet.h"
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#include "nel/misc/report.h"
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#include "nel/misc/path.h"
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#include "nel/net/tcp_sock.h"
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#include "nel/net/email.h"
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using namespace std;
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using namespace NLMISC;
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namespace NLNET {
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static string DefaultSMTPServer, DefaultFrom, DefaultTo;
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/* Conversion table. for base 64 */
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static char tbl[65] = {
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'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
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'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
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'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
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'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
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'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
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'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
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'w', 'x', 'y', 'z', '0', '1', '2', '3',
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'4', '5', '6', '7', '8', '9', '+', '/',
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'=' /* termination character */
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};
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/*
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* Encode the string S of length LENGTH to base64 format and place it
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* to STORE. STORE will be 0-terminated, and must point to a writable
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* buffer of at least 1+BASE64_LENGTH(length) bytes.
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* where BASE64_LENGTH(len) = (4 * ((LENGTH + 2) / 3))
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*/
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static void uuencode (const char *s, const char *store, const int length)
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{
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int i;
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unsigned char *p = (unsigned char *)store;
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unsigned char *us = (unsigned char *)s;
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/* Transform the 3x8 bits to 4x6 bits, as required by base64. */
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for (i = 0; i < length; i += 3)
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{
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*p++ = tbl[us[0] >> 2];
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*p++ = tbl[((us[0] & 3) << 4) + (us[1] >> 4)];
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*p++ = tbl[((us[1] & 0xf) << 2) + (us[2] >> 6)];
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*p++ = tbl[us[2] & 0x3f];
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us += 3;
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}
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/* Pad the result if necessary... */
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if (i == length + 1)
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{
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*(p - 1) = tbl[64];
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}
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else if (i == length + 2)
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{
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*(p - 1) = *(p - 2) = tbl[64];
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}
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/* ...and zero-terminate it. */
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*p = '\0';
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}
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bool sendEMailCommand (CTcpSock &sock, const std::string &command, uint32 code = 250)
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{
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string buffer = command + "\r\n";
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uint32 size = (uint32)buffer.size();
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if(!command.empty())
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{
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if (sock.send ((uint8 *)buffer.c_str(), size) != CSock::Ok)
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{
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nlwarning ("EMAIL: Can't send data to the server");
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return false;
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}
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}
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string res;
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char c;
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for(;;)
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{
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size = 1;
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if (sock.receive((uint8*)&c, size, false) == CSock::Ok)
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{
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res += c;
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if (c == '\n')
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{
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uint32 c;
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fromString(res, c);
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if (c != code)
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{
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nlwarning ("EMAIL: EMail command '%s' returned '%s' instead of code %d on sock %s", command.substr(0, 20).c_str(), res.substr(0, res.size()-2).c_str(), code, sock.remoteAddr().asString().c_str());
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return false;
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}
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return true;
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}
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}
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else
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{
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nlwarning ("EMAIL: EMail connection closed before end of line, command '%s' returned '%s' on sock %s (code %d)", command.substr(0, 20).c_str(), res.c_str(), sock.remoteAddr().asString().c_str(), code);
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return false;
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}
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}
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}
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bool sendEmail (const string &smtpServer, const string &from, const string &to, const string &subject, const string &body, const string &attachedFile, bool onlyCheck)
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{
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bool ok = false;
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CTcpSock sock;
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uint i;
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string formatedBody;
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string formatedFrom;
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string formatedTo;
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string formatedSMTPServer;
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try
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{
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if (smtpServer.empty())
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{
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if(DefaultSMTPServer.empty())
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{
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nlwarning ("EMAIL: Can't send email because no SMTPServer was provided");
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goto end;
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}
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else
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{
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formatedSMTPServer = DefaultSMTPServer;
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}
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}
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else
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{
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formatedSMTPServer = smtpServer;
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}
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sock.connect(CInetAddress(formatedSMTPServer, 25));
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if (!sock.connected())
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{
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nlwarning ("EMAIL: Can't connect to email server %s", formatedSMTPServer.c_str());
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goto end;
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}
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if (to.empty())
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{
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if(DefaultTo.empty())
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{
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nlwarning ("EMAIL: Can't send email because no To was provided");
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goto end;
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}
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else
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{
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formatedTo = DefaultTo;
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}
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}
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else
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{
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formatedTo = to;
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}
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if(from.empty())
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{
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if (DefaultFrom.empty())
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{
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formatedFrom = CInetAddress::localHost().hostName();
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formatedFrom += "@gnu.org";
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}
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else
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{
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formatedFrom = DefaultFrom;
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}
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}
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else
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{
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formatedFrom = from;
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}
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// we must skip the first line
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formatedBody = "\r\n";
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// replace \n with \r\n
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for (i = 0; i < body.size(); i++)
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{
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if (body[i] == '\n' && i > 0 && body[i-1] != '\r')
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{
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formatedBody += '\r';
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}
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formatedBody += body[i];
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}
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// add attachment if any
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if (!attachedFile.empty())
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{
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string ext = CFile::getExtension(attachedFile);
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string mimepart;
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// mime header and main mail text
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mimepart += "Mime-Version: 1.0\r\n";
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mimepart += "Content-Type: multipart/mixed;\r\n";
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mimepart += " boundary=\"Multipart_nel\"\r\n";
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mimepart += "\r\n";
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mimepart += "This is a multi-part message in MIME format.\r\n";
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mimepart += "\r\n";
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mimepart += "--Multipart_nel\r\n";
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mimepart += "Content-Type: text/plain; charset=us-ascii\r\n";
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mimepart += "Content-Transfer-Encoding: 7bit\r\n";
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formatedBody = mimepart + formatedBody;
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// mime attachment
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formatedBody += "--Multipart_nel\r\n";
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formatedBody += "Content-Disposition: attachment;\r\n";
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string lext = toLower(ext);
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if(lext == "tga")
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{
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formatedBody += "Content-Type: image/x-targa;\r\n";
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}
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else if(lext == "bmp")
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{
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formatedBody += "Content-Type: image/bmp;\r\n";
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}
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else if(lext == "png")
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{
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formatedBody += "Content-Type: image/png;\r\n";
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}
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else if(lext == "jpg" || lext == "jpeg")
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{
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formatedBody += "Content-Type: image/jpeg;\r\n";
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}
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else if(lext == "dmp")
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{
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formatedBody += "Content-Type: application/octet-stream;\r\n";
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}
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else
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{
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formatedBody += "Content-Type: text/plain; charset=us-ascii\r\n";
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}
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formatedBody += " name=\""+CFile::getFilename(attachedFile)+"\"\r\n";
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formatedBody += "Content-Transfer-Encoding: base64\r\n";
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formatedBody += " filename=\""+CFile::getFilename(attachedFile)+"\"\r\n";
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// empty line to say that it s the end of the header
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formatedBody += "\r\n";
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static const size_t src_buf_size = 45;// This *MUST* be a multiple of 3
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static const size_t dst_buf_size = 4 * ((src_buf_size + 2) / 3);
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size_t write_size = dst_buf_size;
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char src_buf[src_buf_size + 1];
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char dst_buf[dst_buf_size + 1];
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size_t size;
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FILE *src_stream = fopen (attachedFile.c_str(), "rb");
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if (src_stream == NULL)
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{
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nlwarning ("EMAIL: Can't attach file '%s' to the email because the file can't be open", attachedFile.c_str());
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}
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else
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{
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while ((size = fread(src_buf, 1, src_buf_size, src_stream)) > 0)
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{
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if (size != src_buf_size)
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{
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/* write_size is always 60 until the last line */
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write_size=(4 * ((size + 2) / 3));
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/* pad with 0s so we can just encode extra bits */
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memset(&src_buf[size], 0, src_buf_size - size);
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}
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/* Encode the buffer we just read in */
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uuencode(src_buf, dst_buf, (int)size);
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formatedBody += dst_buf;
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formatedBody += "\r\n";
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}
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fclose (src_stream);
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}
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formatedBody += "--Multipart_nel--";
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}
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// debug, display what we send into a file
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// { FILE *fp = fopen (CFile::findNewFile(getLogDirectory() + "mail.txt").c_str(), "wb");
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// fwrite (formatedBody.c_str(), 1, formatedBody.size(), fp);
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// fclose (fp); }
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if(!sendEMailCommand (sock, "", 220)) goto end;
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if(onlyCheck)
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{
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if(!sendEMailCommand (sock, "HELO localhost")) goto end;
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if(!sendEMailCommand (sock, "MAIL FROM: " + formatedFrom)) goto end;
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if(!sendEMailCommand (sock, "RCPT TO: " + formatedTo)) goto end;
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if(!sendEMailCommand (sock, "QUIT", 221)) goto end;
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ok = true;
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}
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else
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{
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if(!sendEMailCommand (sock, "HELO localhost")) goto end;
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if(!sendEMailCommand (sock, "MAIL FROM: " + formatedFrom)) goto end;
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if(!sendEMailCommand (sock, "RCPT TO: " + formatedTo)) goto end;
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if(!sendEMailCommand (sock, "DATA", 354)) goto end;
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string buffer =
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"From: " + formatedFrom + "\r\n"
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"To: " + formatedTo + "\r\n"
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"Subject: " + subject + "\r\n"
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+ formatedBody + "\r\n.";
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if(!sendEMailCommand (sock, buffer)) goto end;
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if(!sendEMailCommand (sock, "QUIT", 221)) goto end;
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ok = true;
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}
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}
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catch (const Exception &e)
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{
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nlwarning ("EMAIL: Can't send email: %s", e.what());
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goto end;
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}
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end:
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if (sock.connected())
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sock.close ();
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return ok;
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}
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void setDefaultEmailParams (const std::string &smtpServer, const std::string &from, const std::string &to)
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{
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DefaultSMTPServer = smtpServer;
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DefaultFrom = from;
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DefaultTo = to;
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}
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} // NLNET
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