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//=============================================================================
// File: attach.cpp
// Contents: Definitions for MessageWithAttachments
// Maintainer: Doug Sauder <dwsauder@fwb.gulf.net>
// WWW: http://www.fwb.gulf.net/~dwsauder/mimepp.html
//
// Copyright (c) 1996, 1997 Douglas W. Sauder
// All rights reserved.
//
// IN NO EVENT SHALL DOUGLAS W. SAUDER BE LIABLE TO ANY PARTY FOR DIRECT,
// INDIRECT, SPECIAL, INCIDENTAL, OR CONSETQUENTIAL DAMAGES ARISING OUT OF
// THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF DOUGLAS W. SAUDER
// HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// DOUGLAS W. SAUDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT
// NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
// BASIS, AND DOUGLAS W. SAUDER HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
// SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
//
//=============================================================================
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <mimelib/string.h>
#include <mimelib/utility.h>
#include "attach.h"
MessageWithAttachments::MessageWithAttachments()
{
}
MessageWithAttachments::~MessageWithAttachments()
{
}
void MessageWithAttachments::SetText(const DwString& aStr)
{
// Create a body part and set the necessary fields
MultipartBodyPart part;
part.SetType(DwMime::kTypeText);
part.SetSubtype(DwMime::kSubtypePlain);
part.SetCte(DwMime::kCte7bit);
// Set the string as the body of the body part
part.SetBody(aStr);
// Set this body part as the first one
SetBodyPart(0, part);
}
int MessageWithAttachments::NumberOfAttachments() const
{
int n = NumberOfParts() - 1;
return (n >= 0) ? n : 0;
}
void MessageWithAttachments::Attach7bitFile(const char* aFilename,
int aType, int aSubtype)
{
// Get the file contents
DwString str;
PutFileInString(aFilename, str);
// Create a body part and set the necessary fields
MultipartBodyPart part;
part.SetType(aType);
part.SetSubtype(aSubtype);
part.SetCte(DwMime::kCte7bit);
// Set content-disposition to attachment, with filename parameter
// (see RFC-1806 for information on this *experimental* header field)
DwString contDisp = "attachment; filename=";
contDisp += '\"';
contDisp += aFilename;
contDisp += '\"';
part.SetContentDisposition(contDisp);
// Set the file contents as the body of the body part
part.SetBody(str);
// Make sure this is not the first part, since that is reserved for
// the text
if (NumberOfParts() == 0) {
SetBodyPart(1, part);
}
else {
AddBodyPart(part);
}
}
void MessageWithAttachments::Attach8bitFile(const char* aFilename,
int aType, int aSubtype)
{
// Get the file contents
DwString str;
PutFileInString(aFilename, str);
// Encode using quoted-printable encoding
DwString encStr;
DwEncodeQuotedPrintable(str, encStr);
// Create a body part and set the necessary fields
MultipartBodyPart part;
part.SetType(aType);
part.SetSubtype(aSubtype);
part.SetCte(DwMime::kCteQuotedPrintable);
// Set content-disposition to attachment, with filename parameter
// (see RFC-1806 for information on this *experimental* header field)
DwString contDisp = "attachment; filename=";
contDisp += '\"';
contDisp += aFilename;
contDisp += '\"';
part.SetContentDisposition(contDisp);
// Set the encoded file contents as the body of the body part
part.SetBody(encStr);
// Make sure this is not the first part, since that is reserved for
// the text
if (NumberOfParts() == 0) {
SetBodyPart(1, part);
}
else {
AddBodyPart(part);
}
}
void MessageWithAttachments::AttachBinaryFile(const char* aFilename,
int aType, int aSubtype)
{
// Get the file contents
DwString str;
PutFileInString(aFilename, str);
// Encode using base64 encoding
DwString encStr;
DwEncodeBase64(str, encStr);
// Create a body part and set the necessary fields
MultipartBodyPart part;
part.SetType(aType);
part.SetSubtype(aSubtype);
part.SetCte(DwMime::kCteBase64);
// Set content-disposition to attachment, with filename parameter
// (see RFC-1806 for information on this *experimental* header field)
DwString contDisp = "attachment; filename=";
contDisp += '\"';
contDisp += aFilename;
contDisp += '\"';
part.SetContentDisposition(contDisp);
// Set the encoded file contents as the body of the body part
part.SetBody(encStr);
// Make sure this is not the first part, since that is reserved for
// the text
if (NumberOfParts() == 0) {
SetBodyPart(1, part);
}
else {
AddBodyPart(part);
}
}
int MessageWithAttachments::PutFileInString(const char* aFilename,
DwString& str)
{
// Get the file size
struct stat statBuf;
int k = stat(aFilename, &statBuf);
if (k < 0) {
str = "";
return -1;
}
int fileSize = (int) statBuf.st_size;
// Allocate a buffer
int bufSize = fileSize + 8; // a little elbow room added
char* buf = new char[bufSize];
// Read the file into the buffer
FILE* fp = fopen(aFilename, "rb");
if (fp == 0) {
delete[] buf;
str = "";
return -1;
}
int len = 0;
while (1) {
int ch = getc(fp);
if (feof(fp) || len == fileSize) {
break;
}
buf[len++] = ch;
}
buf[len] = 0;
fclose(fp);
// Place the buffer in the string
str.TakeBuffer(buf, bufSize, 0, len);
return 0;
}
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