91 lines
11 KiB
C++
91 lines
11 KiB
C++
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/*
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* Purpose: wxWindows mime implementation
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* Author: Frank Bu<EFBFBD>
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* Created: 2002
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*/
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#include "email.h"
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#include "Base64.h"
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#include "wx/arrimpl.cpp"
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WX_DEFINE_OBJARRAY(wxArrayMimePart);
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struct wxMimeTypeMapping
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{
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const wxChar* extension;
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const wxChar* mainType;
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const wxChar* subType;
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};
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// extension, main type, sub type
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// TODO: must be merged / integrated / substituted with wxFileType
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static const wxMimeTypeMapping g_mimeTypeMappings[] =
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{
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{ _T("txt"), _T("text"), _T("plain") },
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{ _T("htm"), _T("text"), _T("html") },
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{ _T("html"), _T("text"), _T("html") },
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{ _T("gif"), _T("image"), _T("gif") },
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{ _T("png"), _T("image"), _T("png") },
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{ _T("jpg"), _T("image"), _T("jpeg") },
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{ _T("jpeg"), _T("image"), _T("jpeg") },
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{ _T("pdf"), _T("application"), _T("pdf") },
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{ _T("doc"), _T("application"), _T("msword") }
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};
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wxMimePart::wxMimePart(const wxFileName& fileName) :
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m_fileName(fileName)
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{
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// setup default encoding
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m_mainType = _T("application");
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m_subType = _T("octet-stream");
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// try to determine encoding by filename extension
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wxString ext = fileName.GetExt().Lower();
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for (int i = 0; i < sizeof(g_mimeTypeMappings) / sizeof(wxMimeTypeMapping); i++) {
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if (g_mimeTypeMappings[i].extension == ext) {
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m_mainType = g_mimeTypeMappings[i].mainType;
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m_subType = g_mimeTypeMappings[i].subType;
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break;
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}
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}
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}
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void wxMimePart::Encode(wxOutputStream& out)
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{
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// TODO: error handling for every return
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// TODO: encoding it on-the-fly without loading it all in memory
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wxFileInputStream in(m_fileName.GetFullPath());
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if (!in.Ok()) return;
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// determine file length
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// TODO: perhaps this can be added to wxFileName for size()
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in.SeekI(0, wxFromEnd);
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size_t len = (size_t) in.TellI();
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in.SeekI(0);
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// that's possible for windows (#include <sys/types.h> and #include <sys/stat.h>):
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// struct _stat lenStat;
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// if (_stat(filename, &lenStat) == -1) return error;
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// size_t len = (size_t) lenStat.st_size;
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if (len == 0) return;
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// read file
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wxUint8* pData = new wxUint8[len];
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if (!pData) {
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wxASSERT_MSG(pData != NULL, _T("out of memory"));
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return;
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}
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in.Read(pData, len);
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// write encoded mime part to stream
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wxString cr(wxT("\x00d\x00a"));
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wxString result;
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result << wxT("Content-Type: ") << m_mainType << wxT("/") << m_subType << wxT("; name=\"") << m_fileName.GetFullName() + wxT("\"") + cr
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<< wxT("Content-Transfer-Encoding: base64") << cr
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<< wxT("Content-Disposition: attachment; filename=\"") << m_fileName.GetName() << wxT("\"") << cr
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<< cr
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<< wxBase64::Encode(pData, len) << cr;
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out.Write((const char*) result.mb_str(), result.Length());
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}
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