summaryrefslogtreecommitdiffstats
path: root/tdenewstuff/knewstuffsecure.cpp
blob: d2c81ae35383f167f56897fe8752fefd689bac1f (plain)
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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
/***************************************************************************
                          knewstuffsecure.cpp  -  description
                             -------------------
    begin                : Tue Jun 22 12:19:55 2004
    copyright          : (C) 2004, 2005 by Andras Mantia <[email protected]>
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library General Public License as       *
 *   published by the Free Software Foundation; version 2 of the License.  *
 *                                                                         *
 ***************************************************************************/
//qt includes
#include <tqfileinfo.h>

//kde includes
#include <tdeconfig.h>
#include <kdebug.h>
#include <tdeglobal.h>
#include <tdeio/netaccess.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <kstandarddirs.h>
#include <ktar.h>
#include <ktempdir.h>

//app includes
#include "engine.h"
#include "knewstuffsecure.h"
#include "security.h"

using namespace KNS;

TDENewStuffSecure::TDENewStuffSecure(const TQString &type,  TQWidget *parentWidget)
 : TDENewStuff(type, parentWidget)
{
  m_tempDir = 0L;
  connect(engine(), TQ_SIGNAL(uploadFinished(bool)), TQ_SLOT(slotUploadFinished(bool)));
}


TDENewStuffSecure::~TDENewStuffSecure()
{
  removeTempDirectory();
}

bool TDENewStuffSecure::install(const TQString &fileName)
{
  bool ok = true;

  removeTempDirectory();
  m_tempDir = new KTempDir();
  m_tempDir->setAutoDelete(true);
  KTar tar(fileName, "application/x-gzip");
  if (tar.open(IO_ReadOnly))
  {
      const KArchiveDirectory *directory = tar.directory();
      directory->copyTo(m_tempDir->name(), true);
      m_tarName = "";
      TQStringList entries = directory->entries();
      for (TQStringList::Iterator it = entries.begin(); it != entries.end(); ++it)
      {
        if (*it != "signature" && *it != "md5sum")
        {
          m_tarName = *it;
          break;
        }
      }
      tar.close();
      if (m_tarName.isEmpty())
        ok = false;
      else
      {
         m_tarName.prepend(m_tempDir->name());
         connect(Security::ref(), TQ_SIGNAL(validityResult(int)), this, TQ_SLOT(slotValidated(int)));
         Security::ref()->checkValidity(m_tarName);
      }
  } else
      ok = false;
  if (!ok)
    KMessageBox::error(parentWidget(), i18n("There was an error with the downloaded resource tarball file. Possible causes are damaged archive or invalid directory structure in the archive."), i18n("Resource Installation Error"));
  return ok;
}

void TDENewStuffSecure::slotValidated(int result)
{
   TQString errorString;
   TQString signatureStr;
   bool valid = true;
   if (result == -1)
   {
     errorString ="<br>-    " +  i18n("No keys were found.");
     valid = false;
   } else
   if (result == 0)
   {
       errorString ="<br>-    " +  i18n("The validation failed for unknown reason.");
       valid = false;
   } else
   {
      KeyStruct key = Security::ref()->signatureKey();
      if (!(result & Security::MD5_OK ))
      {
          errorString = "<br>-    " + i18n("The MD5SUM check failed, the archive might be broken.");
          valid = false;
      }
      if (result & Security::SIGNED_BAD)
      {
          errorString += "<br>-    " + i18n("The signature is bad, the archive might be broken or altered.");
          valid = false;
      }
      if (result & Security::SIGNED_OK)
      {
         if (result & Security::TRUSTED)
         {
            kdDebug() << "Signed and trusted " << endl;
         } else
         {
            errorString += "<br>-    " + i18n("The signature is valid, but untrusted.");
            valid = false;
         }
      }
      if (result & Security::UNKNOWN)
      {
          errorString += "<br>-    " + i18n("The signature is unknown.");
          valid = false;
      } else
      {
          signatureStr = i18n("The resource was signed with key <i>0x%1</i>, belonging to <i>%2 &lt;%3&gt;</i>.").arg(key.id.right(8)).arg(key.name).arg(key.mail);
      }
   }
  if (!valid)
  {
      signatureStr.prepend( "<br>");
      if (KMessageBox::warningContinueCancel(parentWidget(), i18n("<qt>There is a problem with the resource file you have downloaded. The errors are :<b>%1</b><br>%2<br><br>Installation of the resource is <b>not recommended</b>.<br><br>Do you want to proceed with the installation?</qt>").arg(errorString).arg(signatureStr), i18n("Problematic Resource File")) == KMessageBox::Continue)
          valid = true;
  } else
    KMessageBox::information(parentWidget(), i18n("<qt>%1<br><br>Press OK to install it.</qt>").arg(signatureStr), i18n("Valid Resource"), "Show Valid Signature Information");
  if (valid)
  {
     installResource();
     emit installFinished();
  } else
  {
    TDEConfig *cfg = TDEGlobal::config();
    cfg->deleteGroup("TDENewStuffStatus");
    cfg->setGroup("TDENewStuffStatus");
    for (TQMap<TQString, TQString>::ConstIterator it = m_installedResources.constBegin(); it != m_installedResources.constEnd(); ++it)
    {
      cfg->writeEntry(it.key(), it.data());
    }
    cfg->sync();
  }
  removeTempDirectory();
  disconnect(Security::ref(), TQ_SIGNAL(validityResult(int)), this, TQ_SLOT(slotValidated(int)));
}

void TDENewStuffSecure::downloadResource()
{
  TDEConfig *cfg = TDEGlobal::config();
  m_installedResources = cfg->entryMap("TDENewStuffStatus");
  engine()->ignoreInstallResult(true);
  TDENewStuff::download();
}

bool TDENewStuffSecure::createUploadFile(const TQString &fileName)
{
  Q_UNUSED(fileName);
  return true; 
}

void TDENewStuffSecure::uploadResource(const TQString& fileName)
{
  connect(Security::ref(), TQ_SIGNAL(fileSigned(int)), this, TQ_SLOT(slotFileSigned(int)));
  removeTempDirectory();
  m_tempDir = new KTempDir();
  m_tempDir->setAutoDelete(true);
  TQFileInfo f(fileName);
  m_signedFileName = m_tempDir->name() + "/" + f.fileName();
  TDEIO::NetAccess::file_copy(KURL::fromPathOrURL(fileName), KURL::fromPathOrURL(m_signedFileName), -1, true);
  Security::ref()->signFile(m_signedFileName);
}

void TDENewStuffSecure::slotFileSigned(int result)
{
  if (result == 0)
  {
    KMessageBox::error(parentWidget(), i18n("The signing failed for unknown reason."));    
  } else
  {
    if (result & Security::BAD_PASSPHRASE)
    {
      if (KMessageBox::warningContinueCancel(parentWidget(), i18n("There are no keys usable for signing or you did not entered the correct passphrase.\nProceed without signing the resource?")) == KMessageBox::Cancel)
      {
        disconnect(Security::ref(), TQ_SIGNAL(fileSigned(int)), this, TQ_SLOT(slotFileSigned(int)));
        removeTempDirectory();
        return;    
      }
    } 
    KTar tar(m_signedFileName + ".signed", "application/x-gzip");
    tar.open(IO_WriteOnly);
    TQStringList files;
    files << m_signedFileName;
    files << m_tempDir->name() + "/md5sum";
    files << m_tempDir->name() + "/signature";
  
    for (TQStringList::Iterator it_f = files.begin(); it_f != files.end(); ++it_f)
    {
      TQFile file(*it_f);
      file.open(IO_ReadOnly);
      TQByteArray bArray = file.readAll();
      tar.writeFile(TQFileInfo(file).fileName(), "user", "group", bArray.size(), bArray.data());
      file.close();
    }
    tar.close();
    TDEIO::NetAccess::file_move(KURL::fromPathOrURL(m_signedFileName + ".signed"), KURL::fromPathOrURL(m_signedFileName), -1, true);
    TDENewStuff::upload(m_signedFileName, TQString::null);
    disconnect(Security::ref(), TQ_SIGNAL(fileSigned(int)), this, TQ_SLOT(slotFileSigned(int)));
  }
}

void TDENewStuffSecure::slotUploadFinished(bool result)
{
  Q_UNUSED(result);
  removeTempDirectory();
}

void TDENewStuffSecure::removeTempDirectory()
{
  if (m_tempDir)
  {
    TDEIO::NetAccess::del(KURL().fromPathOrURL(m_tempDir->name()), parentWidget());
    delete m_tempDir;
    m_tempDir = 0L;
  }
}

#include "knewstuffsecure.moc"