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Diffstat (limited to 'mimelib/attach.cpp')
| -rw-r--r-- | mimelib/attach.cpp | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/mimelib/attach.cpp b/mimelib/attach.cpp new file mode 100644 index 000000000..27b35dfdf --- /dev/null +++ b/mimelib/attach.cpp @@ -0,0 +1,238 @@ +//============================================================================= +// 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 CONSEQUENTIAL 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; +} + |