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1 package SnowMailClient.crypto;
2
3 import javax.swing.*;
4 import javax.swing.filechooser.*;
5 import java.util.*;
6 import java.util.zip.*;
7
8 import java.security.*;
9 import java.security.spec.*;
10 import javax.crypto.spec.*;
11 import javax.crypto.*;
12
13
14 import snow.utils.gui.*;
15 import snow.utils.storage.*;
16 import snow.crypto.*;
17 import snow.FileEncryptor.*;
18
19 import snow.Language.Language;
20 import java.io.*;
21
22
25 public final class SimpleFileEncryptorUI
26 {
27
28 private SimpleFileEncryptorUI()
29 {
30
31 }
33
34 public static void simpleDecryptFileUI(AppProperties props, JFrame parent)
35 {
36 String  base = props.getProperty("FileDecrypt_last_base_dir", "");
37 JFileChooser chooser = new JFileChooser(base);
38 chooser.setDialogTitle(Language.translate("Chose a file to decrypt"));
39 chooser.setDialogType(chooser.FILES_ONLY);
40
41 int rep = chooser.showOpenDialog(parent);
42 if(rep==chooser.APPROVE_OPTION)
43 {
44 File file = chooser.getSelectedFile();
45 int bufferSize = 256;
46 int progressToDo = (int) (file.length()/bufferSize);
47
48 props.setProperty("FileDecrypt_last_base_dir", file.getParent());
49 ProgressModalDialog progressDialog = null;
50 try
51 {
52 SecretKeyID skid = SimpleFileEncryptor.getKeyIDFromFile(file);
53 PassphraseDialog passDialog = new PassphraseDialog(parent,
54 Language.translate("Enter the passphrase to decipher the file"), true, skid,
55 file, Language.translate("Passphrase"));
56 if(!passDialog.wasCancelled())
57 {
58 File decFile = null;
59 if(file.getAbsolutePath().toLowerCase().endsWith(".snowenc"))
60 {
61 String pa = file.getAbsolutePath();
63 decFile = new File(pa.substring(0,pa.length()-8));
64 }
65 else
66 {
67 decFile = new File(file.getAbsolutePath()+".dec");
68 }
69
70 if(decFile.exists())
71 {
72 throw new Exception (
73 Language.translate("Destination file \n %\nalready exist. Please delete it first.", decFile.getAbsolutePath()));
74 }
75 progressDialog = new ProgressModalDialog(
76 parent, Language.translate("Decrypting file"), false, true);
77 progressDialog.setProgressBounds(progressToDo);
78 progressDialog.start();
79 progressDialog.setProgressValue(0, Language.translate("Decrypting file")+"...");
80
81 try
82 {
83 SimpleFileEncryptor.decryptFile(file, decFile, passDialog.getKey(), bufferSize, progressDialog);
84 }
85 catch(Exception ee)
86 {
87 throw ee;
88 }
89 finally
90 {
91 progressDialog.closeDialog();
92 progressDialog = null;
93 }
94 }
95 }
96 catch(Exception e)
97 {
98 JOptionPane.showMessageDialog(progressDialog,
99 e.getMessage(), Language.translate("Error during file deciphering"), JOptionPane.ERROR_MESSAGE);
100 }
102 }
103 }
104
105
106
107
109 public static void simpleEncryptFileUI(AppProperties props, JFrame parent)
110 {
111 String base = props.getProperty("FileEncryptor_last_base_dir", "");
112 JFileChooser chooser = new JFileChooser(base);
113 chooser.setDialogTitle(Language.translate("Chose a file to encrypt"));
114 chooser.setDialogType(chooser.FILES_ONLY);
115
116 EncryptOptionsPanel optionsPanel = new EncryptOptionsPanel(
117 props.getBoolean("WipeSourceAfterEncryption", false));
118 chooser.setAccessory(optionsPanel);
119
120 chooser.setFileSelectionMode(chooser.FILES_AND_DIRECTORIES);
121 int rep = chooser.showOpenDialog(parent);
122 if(rep==chooser.APPROVE_OPTION)
123 {
124 File file = chooser.getSelectedFile();
125
126 File destinationFile = null;
127 if(file.isFile())
128 {
129 destinationFile = new File(file.getAbsolutePath()+".snowEnc");
130 }
131 else
132 {
133 destinationFile = new File(file.getParentFile(), file.getName()+".snowEnc");
134 }
135
136
137
138 if(destinationFile.exists())
139 {
140
141 JOptionPane.showMessageDialog(parent,
142 Language.translate("Cannot encrypt file"),
143 Language.translate("Destination file \n %\nalready exist. Please delete it first.",
144 destinationFile.getAbsolutePath()),
145 JOptionPane.ERROR_MESSAGE);
146
147 }
148
149 long fileSize = FileUtils.getSizeIncludingSubFiles(file);
150 int bufferSize = 256;
151
152 props.setBoolean("WipeSourceAfterEncryption", optionsPanel.doWipeSource());
153 props.setProperty("FileEncryptor_last_base_dir", file.getParent());
154
155 PassphraseSettingDialog psd = new PassphraseSettingDialog(
156 parent,
157 Language.translate("Passphrase"),
158 true,
159 Language.translate("Please enter and confirm the passphrase to use to encipher the file"));
160
161 if(!psd.wasCancelled())
162 {
163 ProgressModalDialog progressDialog = new ProgressModalDialog(
164 parent, Language.translate("Encrypting file"), false, true);
165
166 int progressToDo = (int) (fileSize/bufferSize);
167 if(optionsPanel.doWipeSource())
168 {
169 progressDialog.setProgressBounds(progressToDo*4);
170 }
171 else
172 {
173 progressDialog.setProgressBounds(progressToDo*3);
174 }
175
176
177 progressDialog.start();
178 progressDialog.setProgressValue(0, Language.translate("Encrypting file")+"...");
179 try
180 {
181 SecretKey key = psd.getKey();
182
183 if(file.isFile())
184 {
185 SimpleFileEncryptor.encryptFile(file, destinationFile, key, bufferSize, progressDialog);
186 progressDialog.setProgressValue( progressToDo, "Testing encrypted file...");
187
188 try
190 {
191 String problem = SimpleFileEncryptor.verifyEncryptedFile(file, destinationFile, key, bufferSize, progressDialog);
192 if(problem!=null)
193 {
194 throw new Exception ("Error during verify: "+problem);
195 }
196
197 if(optionsPanel.doWipeSource())
198 {
199 progressDialog.setProgressValue( progressToDo*3, Language.translate("Wiping original")+"...");
200 SimpleFileEncryptor.wipeFile(file, bufferSize, progressDialog, 3);
201 }
202 }
203 catch(Exception e2)
204 {
205 throw e2;
206 }
207 }
208 else
209 {
210 try
212 {
213 SimpleFileEncryptor.encryptDirectory(file, destinationFile, optionsPanel.doWipeSource(), key, bufferSize, progressDialog);
214 }
215 catch(Exception e2)
216 {
217 throw e2;
218 }
219
220 }
221
222 }
223 catch(Exception e)
224 {
225 JOptionPane.showMessageDialog(parent,
226 e.getMessage(), Language.translate("Error during file ciphering"), JOptionPane.ERROR_MESSAGE);
227 }
228 finally
229 {
230 progressDialog.closeDialog();
231 }
232
233 }
234 }
235 }
236
237
238
239 } |
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