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1 package snow.FileEncryptor;
2
3 import java.awt.*;
4 import java.awt.event.*;
5 import javax.swing.*;
6 import javax.swing.border.*;
7 import javax.swing.event.*;
8 import javax.swing.filechooser.*;
9 import java.util.*;
10 import java.util.zip.*;
11
12 import java.security.*;
13 import java.security.spec.*;
14 import javax.crypto.spec.*;
15 import javax.crypto.*;
16
17 import snow.utils.gui.*;
18 import snow.utils.storage.*;
19 import snow.crypto.*;
20 import snow.Language.Language;
21
22 import SnowMailClient.crypto.Utilities;
23
24 import java.io.*;
25
26 public final class HashCodeDialog extends JDialog
27 {
28 final AppProperties props;
29 final FileField inputFileField;
30 final JTextArea codeArea = new JTextArea(4,40);
31 final JTextArea verificationArea = new JTextArea(
32 "",
34 4,40);
35
36 byte[] lastComputedHash = null;
37
38 public HashCodeDialog(JFrame parent, final AppProperties props)
39 {
40 super(parent, Language.translate("Snowmail HashCode Utility"), false);
41 this.props = props;
42
43 getContentPane().setLayout(new BorderLayout());
44 inputFileField = new FileField(
45 props.getProperty("HashCodeDialog.File", ""),
46 false,
47 Language.translate("Choose a file for which to compute the hashcode"),
48 JFileChooser.FILES_ONLY
49 );
50
51 ActionListener computeHashAction = new ActionListener()
52 {
53 public void actionPerformed(ActionEvent ae)
54 {
55 computeHashCode();
56 }
57 };
58 inputFileField.addActionListener(computeHashAction);
59
60 JPanel inputPanel = new JPanel();
63 inputPanel.setBorder(new EmptyBorder(5,1,5,1));
64 getContentPane().add(GUIUtils.wrapLeft(inputPanel), BorderLayout.NORTH);
65 GridLayout3 gl3 = new GridLayout3(2,inputPanel);
66 gl3.add(Language.translate("File to analyse"));
67 gl3.add(inputFileField, true);
68 inputFileField.setComponentWidth(265);
69 JButton computeHash = new JButton(Language.translate("Compute HashCode"));
70 gl3.add(computeHash);
71 computeHash.addActionListener(computeHashAction);
72
73 JPanel outputPanel = new JPanel();
76 getContentPane().add(outputPanel, BorderLayout.CENTER);
77 GridLayout3 gl2 = new GridLayout3(1, outputPanel);
78 gl2.add(Language.translate("Computed Hashcodes"));
79 gl2.add(new JScrollPane(codeArea));
80 codeArea.setEditable(false);
81 gl2.add(Language.translate("Verification (Paste an external hashcode to verify)"));
82 gl2.add(new JScrollPane(verificationArea));
83
84 verificationArea.getDocument().addDocumentListener(new DocumentListener()
85 {
86 public void changedUpdate(javax.swing.event.DocumentEvent  de)
87 {
88 verifyHashCode();
89 }
90
91 public void removeUpdate(javax.swing.event.DocumentEvent de)
92 {
93 verifyHashCode();
94 }
95
96 public void insertUpdate(javax.swing.event.DocumentEvent de)
97 {
98 verifyHashCode();
99 }
100 });
101
102
103 CloseControlPanel ccp = new CloseControlPanel(this, false, false, Language.translate("Close"));
106 getContentPane().add(ccp, BorderLayout.SOUTH);
107
108
109 pack();
110 this.setLocationRelativeTo(parent);
111 setVisible(true);
112 }
114
115
116 private void computeHashCode()
117 {
118 Thread t = new Thread ()
119 {
120 public void run()
121 {
122 codeArea.setForeground(UIManager.getColor("TextArea.foreground"));
123 final ProgressModalDialog pd = new ProgressModalDialog(HashCodeDialog.this, Language.translate("computing hashcode"), false);
124 try
125 {
126 final File file = inputFileField.getPath();
127 if(file.getName().trim().length()==0)
128 {
129 throw new Exception (Language.translate("No file given"));
130 }
131
132 if(!file.exists()) throw new Exception (Language.translate("File % dont exist", ""+file));
133
134 props.setProperty("HashCodeDialog.File", file.getAbsolutePath());
135
136 lastComputedHash = CryptoUtilities.hashSHA1( file, pd );
137 codeArea.setText("SHA-1: "+ Utilities.asHex(lastComputedHash) );
138 }
139 catch(Exception e)
140 {
141 codeArea.setText(Language.translate("Error: ")+e.getMessage());
142 codeArea.setForeground(Color.red);
143 }
144 finally
145 {
146 pd.closeDialog();
147 verifyHashCode();
148 }
149 }
150 };
151
152 t.start();
153 }
154
155
156 private void verifyHashCode()
157 {
158 String pasted = verificationArea.getText().trim();
159 pasted = pasted.replaceAll("\\s", "");
160
161 String computed = Utilities.asHex(lastComputedHash);
162
163 if(pasted.equalsIgnoreCase(computed))
164 {
165 verificationArea.setForeground(UIManager.getColor("TextArea.foreground"));
166 }
167 else
168 {
169 verificationArea.setForeground(Color.red);
170 }
171 }
172
173
174
175 public static void main(String [] aa)
176 {
177 JFrame parent = new JFrame("");
178 parent.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
179
180 AppProperties app = new AppProperties();
181 HashCodeDialog hd = new HashCodeDialog(parent, app);
182 }
183
184
185 } |
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