1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/***************************************************************************
* Copyright (C) 2005 by Spiros Georgaras *
* sngeorgaras@otenet.gr *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <config.h>
#include "kfile_mhtml.h"
#include <kgenericfactory.h>
#include <kmdcodec.h>
#include <tqstring.h>
#include <tqcstring.h>
#include <tqfile.h>
#include <textstream.h>
#include <textcodec.h>
typedef KGenericFactory<mhtmlPlugin> mhtmlFactory;
K_EXPORT_COMPONENT_FACTORY(kfile_mhtml, mhtmlFactory( "kfile_mhtml" ))
mhtmlPlugin::mhtmlPlugin(TQObject *parent, const char *name,
const TQStringList &args)
: KFilePlugin(parent, name, args)
{
KFileMimeTypeInfo* info = addMimeTypeInfo( "application/x-mimearchive" );
KFileMimeTypeInfo::GroupInfo* group = 0L;
group = addGroupInfo(info, "mhtmlInfo", i18n("Document Information"));
KFileMimeTypeInfo::ItemInfo* item;
item = addItemInfo(group, "Subject", i18n("Subject"), TQVariant::String);
item = addItemInfo(group, "Sender", i18n("Sender"), TQVariant::String);
item = addItemInfo(group, "Recipient", i18n("Recipient"), TQVariant::String);
item = addItemInfo(group, "CopyTo", i18n("CC"), TQVariant::String);
item = addItemInfo(group, "BlindCopyTo", i18n("BCC"), TQVariant::String);
item = addItemInfo(group, "Date", i18n("Date"), TQVariant::String);
}
bool mhtmlPlugin::readInfo( KFileMetaInfo& info, uint /*what*/)
{
TQString mSender;
TQString mRecipient;
TQString mCopyTo;
TQString mBlindCopyTo;
TQString mSubject;
TQString mDate;
bool canUnfold;
if ( info.path().isEmpty() ) // remote file
return false;
TQFile f(info.path());
if (!f.open(IO_ReadOnly)) return false;
TQTextStream stream(&f);
TQString l=stream.readLine();
int nFieldsFound = 0;
while(!l.isEmpty()){
if(l.startsWith("From: ")) {
mSender=l.mid(6);
nFieldsFound |= 1;
canUnfold=TRUE;
} else if(l.startsWith("To: ")) {
mRecipient=l.mid(4);
nFieldsFound |= 2;
canUnfold=TRUE;
} else if(l.startsWith("Subject: ")) {
mSubject=l.mid(9);
nFieldsFound |= 4;
canUnfold=TRUE;
} else if(l.startsWith("Cc: ")) {
mCopyTo=l.mid(4);
nFieldsFound |= 8;
canUnfold=TRUE;
} else if(l.startsWith("Bcc: ")) {
mBlindCopyTo=l.mid(5);
nFieldsFound |= 16;
canUnfold=TRUE;
} else if(l.startsWith("Date: ")) {
mDate=l.mid(6);
nFieldsFound |= 32;
canUnfold=FALSE;
}else if(l.startsWith(" ") || l.startsWith("\t")){
// unfold field
if(canUnfold){
TQString tmp=l.stripWhiteSpace();
if(nFieldsFound & 16) mBlindCopyTo=mBlindCopyTo+" "+tmp;
else if(nFieldsFound & 8) mCopyTo=mCopyTo+" "+tmp;
else if(nFieldsFound & 4) mSubject=mSubject+" "+tmp;
else if(nFieldsFound & 2) mRecipient=mRecipient+" "+tmp;
else if(nFieldsFound & 1) mSender=mSender+" "+tmp;
}
}else canUnfold=FALSE;
// break out of the loop once the six fields have been found
if ( nFieldsFound == 32+16+8+4+2+1 )
break;
l=stream.readLine();
}
f.close();
KFileMetaInfoGroup group = appendGroup(info, "mhtmlInfo");
appendItem(group, "Subject", decodeRFC2047Phrase(mSubject,FALSE));
appendItem(group, "Sender", decodeRFC2047Phrase(mSender));
appendItem(group, "Recipient", decodeRFC2047Phrase(mRecipient));
appendItem(group, "CopyTo", decodeRFC2047Phrase(mCopyTo));
appendItem(group, "BlindCopyTo", decodeRFC2047Phrase(mBlindCopyTo));
appendItem(group, "Date", mDate);
return true;
}
TQString mhtmlPlugin::decodeRFC2047Phrase(const TQString &msg, bool removeLessGreater){
int st=msg.find("=?");
int en=-1;
TQString msgCopy=msg;
TQString decodedText=msgCopy.left(st);
TQString encodedText=msgCopy.mid(st);
st=encodedText.find("=?");
while(st!=-1){
en=encodedText.find("?=");
while(encodedText.mid(en+2,1)!=" " && en+2<(int)encodedText.length()) en=encodedText.find("?=",en+1);
if(en==-1) break;
decodedText+=encodedText.left(st);
TQString tmp=encodedText.mid(st,en-st+2);
encodedText=encodedText.mid(en+2);
decodedText+=decodeRFC2047String(tmp);
st=encodedText.find("=?",st+1);
}
decodedText += encodedText;
// remove unwanted '<' and '>'
if(removeLessGreater){
if(decodedText.stripWhiteSpace().startsWith("<") && decodedText.stripWhiteSpace().endsWith(">")){
TQString tmp=decodedText.stripWhiteSpace();
tmp=tmp.mid(1,tmp.length()-2);
decodedText=tmp;
}else{
TQString dec=decodedText;
TQString tmp;
st=decodedText.find("<");
while(st!=-1){
st=dec.find("<",st);
if(st==0 || (st!=0 && (dec.mid(st-2,2)==", "))){
en=dec.find(">",st);
if(en==-1 && dec.find(",",st)<en){
st++;
continue;
}
dec=dec.left(st)+dec.mid(st+1,en-st-1)+dec.mid(en+1);
}else if(st!=-1) st++;
}
decodedText=dec;
}
}
return decodedText;
}
TQString mhtmlPlugin::decodeRFC2047String(const TQString &msg){
TQString charset;
TQString encoding;
TQString notEncodedText;
TQString encodedText;
TQString decodedText;
int encEnd=0;
if(msg.startsWith("=?") && (encEnd=msg.findRev("?="))!=-1){
notEncodedText=msg.mid(encEnd+2);
encodedText=msg.left(encEnd);
encodedText=encodedText.mid(2,encodedText.length()-2);
int questionMark=encodedText.find('?');
if(questionMark==-1) return msg;
charset=encodedText.left(questionMark).lower();
encoding=encodedText.mid(questionMark+1,1).lower();
if(encoding!="b" && encoding!="q") return msg;
encodedText=encodedText.mid(questionMark+3);
if(charset.find(" ")!=-1 && encodedText.find(" ")!=-1) return msg;
TQCString tmpIn;
TQCString tmpOut;
tmpIn = encodedText.local8Bit();
if(encoding=="q")tmpOut=KCodecs::quotedPrintableDecode(tmpIn);
else tmpOut=KCodecs::base64Decode(tmpIn);
if(charset!="us-ascii"){
TQTextCodec *codec = TQTextCodec::codecForName(charset.local8Bit());
if(!codec) return msg;
decodedText=codec->toUnicode(tmpOut);
decodedText=decodedText.replace("_"," ");
}else decodedText=tmpOut.replace("_"," ");
return decodedText + notEncodedText;
}else return msg;
}
#include "kfile_mhtml.moc"
|
