1 | package org.expeditee.auth;
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2 |
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3 | import java.io.File;
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4 | import java.io.FileInputStream;
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5 | import java.io.FileNotFoundException;
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6 | import java.io.FileOutputStream;
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7 | import java.io.IOException;
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8 | import java.io.InputStream;
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9 | import java.nio.file.Path;
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10 | import java.nio.file.Paths;
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11 | import java.security.KeyFactory;
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12 | import java.security.KeyStore;
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13 | import java.security.KeyStore.SecretKeyEntry;
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14 | import java.security.KeyStoreException;
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15 | import java.security.NoSuchAlgorithmException;
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16 | import java.security.PublicKey;
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17 | import java.security.SecureRandom;
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18 | import java.security.UnrecoverableEntryException;
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19 | import java.security.cert.CertificateException;
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20 | import java.security.spec.InvalidKeySpecException;
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21 | import java.security.spec.X509EncodedKeySpec;
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22 | import java.sql.Connection;
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23 | import java.sql.DriverManager;
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24 | import java.sql.PreparedStatement;
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25 | import java.sql.ResultSet;
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26 | import java.sql.SQLException;
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27 | import java.util.Arrays;
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28 | import java.util.Base64;
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29 | import java.util.Collection;
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30 | import java.util.HashMap;
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31 | import java.util.Map;
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32 | import java.util.Scanner;
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33 | import java.util.stream.Stream;
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34 |
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35 | import javax.crypto.SecretKey;
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36 | import javax.crypto.spec.SecretKeySpec;
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37 |
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38 | import org.expeditee.actions.Actions;
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39 | import org.expeditee.auth.tags.Constants;
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40 | import org.expeditee.core.Dimension;
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41 | import org.expeditee.core.Point;
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42 | import org.expeditee.gio.EcosystemManager;
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43 | import org.expeditee.gio.GraphicsManager;
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44 | import org.expeditee.gio.InputManager;
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45 | import org.expeditee.gio.InputManager.WindowEventListener;
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46 | import org.expeditee.gio.InputManager.WindowEventType;
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47 | import org.expeditee.gio.gesture.StandardGestureActions;
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48 | import org.expeditee.gui.Browser;
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49 | import org.expeditee.gui.DisplayController;
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50 | import org.expeditee.gui.Frame;
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51 | import org.expeditee.gui.FrameIO;
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52 | import org.expeditee.gui.FrameUtils;
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53 | import org.expeditee.gui.MessageBay;
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54 | import org.expeditee.io.ExpReader;
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55 | import org.expeditee.items.Item;
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56 | import org.expeditee.items.ItemUtils;
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57 | import org.expeditee.items.Text;
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58 | import org.expeditee.settings.Settings;
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59 | import org.expeditee.settings.UserSettings;
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60 | import org.expeditee.settings.identity.secrets.KeyList;
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61 | import org.ngikm.cryptography.CryptographyConstants;
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62 |
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63 | public final class Authenticator implements CryptographyConstants {
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64 |
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65 | // The frame number of the frame containing the current authenticated users public key.
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66 | public static int CREDENTIALS_FRAME = -1;
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67 | public static final String ADMINACCOUNT = "authadmin";
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68 |
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69 | public static boolean Authenticated = false;
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70 |
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71 | private KeyStore keyStore = KeyStore.getInstance(KeystoreType);
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72 |
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73 | private static final byte[] TRUE = "yes".getBytes();
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74 | private static final byte[] FALSE = "no".getBytes();
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75 | private static final String KEYSTOREFILENAME = "keystore.ks" + File.separator;
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76 |
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77 | private static Authenticator instance;
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78 |
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79 | public static Authenticator getInstance() throws KeyStoreException, FileNotFoundException, NoSuchAlgorithmException, CertificateException, IOException, ClassNotFoundException, SQLException {
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80 | if (instance == null) { instance = new Authenticator(); }
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81 | return instance;
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82 | }
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83 |
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84 | private Authenticator() throws KeyStoreException, FileNotFoundException, IOException, NoSuchAlgorithmException, CertificateException, ClassNotFoundException, SQLException {
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85 | System.out.println("Running Expeditee in Authentication Mode.");
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86 | UserSettings.setupDefaultFolders();
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87 |
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88 | // initialise keystore and actions
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89 | loadKeystore();
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90 | Actions.LoadMethods(org.expeditee.auth.Actions.class);
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91 | Actions.LoadMethods(org.expeditee.auth.sharing.Actions.class);
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92 |
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93 | // Does the account Authentication.ADMINACCOUNT exist?
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94 | // If not then we have get the user to assign a password to it.
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95 | if (!keyStore.containsAlias(Authenticator.ADMINACCOUNT)) {
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96 | new File(FrameIO.PARENT_FOLDER).mkdirs();
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97 | protectAdmin();
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98 | }
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99 |
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100 | // draw the window
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101 | GraphicsManager g = EcosystemManager.getGraphicsManager();
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102 | g.setWindowLocation(new Point(50, 50));
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103 | DisplayController.Init();
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104 | g.setWindowSize(new Dimension(UserSettings.InitialWidth.get(), UserSettings.InitialHeight.get()));
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105 | setInputManagerWindowRoutines();
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106 |
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107 | // Load documentation and start pages
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108 | FrameUtils.extractResources(false);
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109 |
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110 | // Load fonts before loading any frames so the items on the frames will be able to access their fonts
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111 | Text.InitFonts();
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112 |
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113 | // initialing settings does not require a user profile established
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114 | Settings.Init();
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115 |
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116 | // navigate to authentication frame
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117 | Frame authFrame = FrameIO.LoadFrame("authentication1");
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118 | DisplayController.setCurrentFrame(authFrame, true);
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119 |
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120 | // set initial values
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121 | Stream<Text> usernameItemsStream = authFrame.getTextItems().stream().filter(t -> t.getData() != null && t.getData().contains("txtUsername"));
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122 | Stream<Text> passwordItemsStream = authFrame.getTextItems().stream().filter(t -> t.getData() != null && t.getData().contains("txtPassword"));
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123 | usernameItemsStream.forEach(txtUsername -> txtUsername.setText(System.getProperty("startinguser.name", "")));
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124 | passwordItemsStream.forEach(txtPassword -> { txtPassword.setText(""); txtPassword.invalidateAll(); });
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125 |
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126 | MessageBay.warningMessages(org.expeditee.actions.Actions.Init());
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127 |
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128 | // class load database classes
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129 | Class.forName("org.sqlite.JDBC");
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130 | }
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131 |
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132 | private void protectAdmin() throws KeyStoreException, NoSuchAlgorithmException, CertificateException,
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133 | FileNotFoundException, IOException {
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134 | // Fetch desired password
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135 | Scanner in = new Scanner(System.in);
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136 | System.out.println("No administrative password set.");
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137 | boolean passwordIsSet = false;
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138 |
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139 | for (int i = 0; i < 3; i++) {
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140 | System.out.print("Please enter it now: ");
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141 | System.out.flush();
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142 | String password = in.nextLine();
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143 | System.out.print("And again: ");
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144 | System.out.flush();
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145 | if (in.nextLine().equals(password)) {
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146 | // Register account.
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147 | putKey(ADMINACCOUNT, password, new SecretKeySpec("null".getBytes(), AsymmetricAlgorithm));
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148 | in.close();
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149 | passwordIsSet = true;
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150 | break;
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151 | } else {
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152 | System.out.println("Mismatched passwords, let's try that again.");
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153 | }
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154 | }
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155 |
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156 | if (!passwordIsSet) {
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157 | System.out.println("Failed to set an admin password. Exiting Expeditee.");
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158 | System.exit(1);
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159 | }
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160 | }
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161 |
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162 | private void loadKeystore()
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163 | throws IOException, NoSuchAlgorithmException, CertificateException, FileNotFoundException {
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164 | final File keyStoreFile = new File(FrameIO.PARENT_FOLDER + KEYSTOREFILENAME);
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165 | if (!keyStoreFile.exists()) {
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166 | keyStore.load(null, Constants.CREDENTIALS_KEYSTORE_PASSWORD.toCharArray());
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167 | } else {
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168 | try (final InputStream in = new FileInputStream(FrameIO.PARENT_FOLDER + KEYSTOREFILENAME)) {
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169 | keyStore.load(in, Constants.CREDENTIALS_KEYSTORE_PASSWORD.toCharArray());
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170 | }
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171 | }
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172 | }
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173 |
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174 | final void loadMailFromDirectory(Path contactDir) throws SQLException {
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175 | // Load in all mail.
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176 | Connection c = DriverManager.getConnection("jdbc:sqlite:" + contactDir.resolve("expmail.db"));
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177 | String sql = "SELECT * FROM EXPMAIL";
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178 | PreparedStatement query = c.prepareStatement(sql);
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179 | ResultSet allMail = query.executeQuery();
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180 |
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181 | // Construct all mail objects using content from database.
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182 | while(allMail.next()) {
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183 | String timestamp = allMail.getString("time");
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184 | String from = allMail.getString("snd");
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185 | String to = allMail.getString("rec");
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186 | String msg = allMail.getString("msg");
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187 | String msg2 = allMail.getString("msg2");
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188 | String[] opts = allMail.getString("opts").split(",");
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189 | opts[0] = opts[0].replace("[", "");
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190 | opts[opts.length - 1] = opts[opts.length - 1].replace("]", "");
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191 | String[] optsVal = allMail.getString("optsval").split(",");
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192 | optsVal[0] = optsVal[0].replace("[", "");
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193 | optsVal[optsVal.length - 1] = optsVal[optsVal.length - 1].replace("]", "");
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194 |
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195 | Map<String, String> options = new HashMap<String, String>();
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196 | for (int i = 0, o = 0; i < opts.length && o < optsVal.length; i++, o++) {
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197 | String key = opts[i].trim();
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198 | String val = optsVal[o].trim();
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199 | options.put(key, val);
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200 | }
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201 |
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202 | Mail.addEntry(new Mail.MailEntry(timestamp, from, to, msg, msg2, options));
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203 | }
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204 |
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205 | // Disconnect from database.
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206 | allMail.close();
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207 | query.close();
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208 | c.close();
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209 | }
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210 |
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211 | final void loadMailDatabase() throws SQLException {
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212 | Path contactsPath = Paths.get(FrameIO.CONTACTS_PATH);
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213 | File[] contacts = contactsPath.toFile().listFiles();
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214 | for (int i = 0; i < contacts.length; i++) {
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215 | if (contacts[i].isDirectory()) {
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216 | Path contact = Paths.get(contacts[i].getAbsolutePath());
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217 | loadMailFromDirectory(contact);
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218 | }
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219 | }
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220 | }
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221 |
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222 | final SecretKey getSecretKey(final String label, final String password) throws NoSuchAlgorithmException, KeyStoreException {
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223 |
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224 | char[] password_ca = password.toCharArray();
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225 | //final KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(password_ca);
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226 |
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227 | SecretKey secret_key;
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228 | try {
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229 | //SecretKeyEntry entry = (SecretKeyEntry) keyStore.getEntry(label, entryPassword);
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230 | //secret_key = entry.getSecretKey();
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231 | secret_key = (SecretKey) keyStore.getKey(label, password_ca);
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232 | } catch (final UnrecoverableEntryException e) {
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233 | e.printStackTrace();
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234 | secret_key = null;
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235 | }
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236 |
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237 | return secret_key;
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238 | }
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239 |
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240 | final void putKey(final String label, final String password, final SecretKey key) throws KeyStoreException, NoSuchAlgorithmException, CertificateException, FileNotFoundException, IOException {
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241 | final KeyStore.SecretKeyEntry entry = new KeyStore.SecretKeyEntry(key);
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242 | final KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(password.toCharArray());
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243 | keyStore.setEntry(label, entry, entryPassword);
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244 | keyStore.store(new FileOutputStream(FrameIO.PARENT_FOLDER + KEYSTOREFILENAME), Constants.CREDENTIALS_KEYSTORE_PASSWORD.toCharArray());
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245 | }
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246 |
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247 | final boolean confirmIntergalaticNumber(final String username, final String email, final String intergalacticNumber) throws NoSuchAlgorithmException, KeyStoreException, CertificateException, FileNotFoundException, IOException {
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248 | try {
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249 | final KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(intergalacticNumber.toCharArray());
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250 | final KeyStore.SecretKeyEntry entry = (SecretKeyEntry) keyStore.getEntry(email + username, entryPassword);
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251 | if (entry == null) {
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252 | return false;
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253 | } else if (entry.getSecretKey().getEncoded() == TRUE) {
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254 | keyStore.deleteEntry(email + username);
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255 | keyStore.store(new FileOutputStream(FrameIO.PARENT_FOLDER + KEYSTOREFILENAME), Constants.CREDENTIALS_KEYSTORE_PASSWORD.toCharArray());
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256 | return true;
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257 | } else { return false; }
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258 | } catch (final UnrecoverableEntryException e) {
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259 | return false;
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260 | }
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261 | }
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262 |
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263 | final String newIntergalacticNumber(final String username, final String email) throws KeyStoreException, NoSuchAlgorithmException, CertificateException, FileNotFoundException, IOException {
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264 | // generate intergalactic number
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265 | final SecureRandom rand = new SecureRandom();
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266 | final byte[] intergalacticNumberBytes = new byte[20];
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267 | rand.nextBytes(intergalacticNumberBytes);
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268 | final String intergalacticNumber = Base64.getEncoder().encodeToString(intergalacticNumberBytes);
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269 |
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270 | // store intergalactic number
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271 | final KeyStore.SecretKeyEntry entry = new KeyStore.SecretKeyEntry(new SecretKeySpec(TRUE, SymmetricAlgorithm));
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272 | final KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(intergalacticNumber.toCharArray());
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273 | keyStore.setEntry(email + username, entry, entryPassword);
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274 | keyStore.store(new FileOutputStream(FrameIO.PARENT_FOLDER + KEYSTOREFILENAME), Constants.CREDENTIALS_KEYSTORE_PASSWORD.toCharArray());
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275 |
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276 | return intergalacticNumber;
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277 | }
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278 |
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279 | final PublicKey getPublicKey(String username) throws InvalidKeySpecException, NoSuchAlgorithmException, FileNotFoundException {
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280 | // load in frame with public key on it.
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281 | String credentialsFramesetPath = FrameIO.CONTACTS_PATH + username + "-credentials" + File.separator;
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282 | if (!new File(credentialsFramesetPath).exists()) {
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283 | return null;
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284 | }
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285 | Scanner in = new Scanner(new File(credentialsFramesetPath + "credentials.inf"));
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286 | String credentialsFrameNumber = in.nextLine().replace(ExpReader.EXTENTION, "");
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287 | in.close();
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288 | Frame frame = FrameIO.LoadFrame(username + "-credentials" + credentialsFrameNumber, FrameIO.CONTACTS_PATH);
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289 | if (frame == null) {
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290 | return null;
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291 | }
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292 |
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293 | // obtain public key from frame
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294 | Collection<Item> canditates = org.expeditee.auth.Actions.getByContent(frame, "PublicKey");
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295 | String keyEncoded = "";
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296 | for (Item i: canditates) {
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297 | if (i.getData() != null) {
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298 | keyEncoded = i.getData().get(0);
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299 | }
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300 | }
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301 | if (keyEncoded.isEmpty()) {
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302 | return null;
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303 | }
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304 | byte[] keyBytes = Base64.getDecoder().decode(keyEncoded);
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305 | return KeyFactory.getInstance(AsymmetricAlgorithm).generatePublic(new X509EncodedKeySpec(keyBytes));
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306 | }
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307 |
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308 | final void markRequestedColleagues(String username) throws KeyStoreException, NoSuchAlgorithmException, CertificateException, FileNotFoundException, IOException {
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309 | KeyStore.SecretKeyEntry entry = new KeyStore.SecretKeyEntry(new SecretKeySpec(TRUE, SymmetricAlgorithm));
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310 | KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(KeyList.PersonalKey.get().getText().toCharArray());
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311 | keyStore.setEntry(username + "colleaguesRequested", entry, entryPassword);
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312 | keyStore.store(new FileOutputStream(FrameIO.PARENT_FOLDER + KEYSTOREFILENAME), Constants.CREDENTIALS_KEYSTORE_PASSWORD.toCharArray());
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313 | }
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314 |
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315 | final void clearRequestedColleagues(String username) throws KeyStoreException, NoSuchAlgorithmException, CertificateException, FileNotFoundException, IOException {
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316 | KeyStore.SecretKeyEntry entry = new KeyStore.SecretKeyEntry(new SecretKeySpec(FALSE, SymmetricAlgorithm));
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317 | KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(KeyList.PersonalKey.get().getText().toCharArray());
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318 | keyStore.setEntry(username + "colleaguesRequested", entry, entryPassword);
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319 | keyStore.store(new FileOutputStream(FrameIO.PARENT_FOLDER + KEYSTOREFILENAME), Constants.CREDENTIALS_KEYSTORE_PASSWORD.toCharArray());
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320 | }
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321 |
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322 | final boolean hasRequestedColleagues(String username) throws KeyStoreException, NoSuchAlgorithmException, UnrecoverableEntryException {
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323 | String alias = username + "colleaguesRequested";
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324 | if (!keyStore.containsAlias(alias)) {
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325 | return false;
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326 | } else {
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327 | KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(KeyList.PersonalKey.get().getText().toCharArray());
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328 | KeyStore.SecretKeyEntry entry = (SecretKeyEntry) keyStore.getEntry(alias, entryPassword);
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329 | return Arrays.equals(entry.getSecretKey().getEncoded(), TRUE);
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330 | }
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331 | }
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332 |
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333 | // final void putColleagues(String username, String[] colleagues) throws KeyStoreException {
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334 | // String alias = username + "colleagues";
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335 | // final SecretKeySpec secretKeySpec = new SecretKeySpec((colleagues[0] + System.getProperty("line.separator") + colleagues[1]).getBytes(), SymmetricAlgorithm);
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336 | // KeyStore.SecretKeyEntry entry = new KeyStore.SecretKeyEntry(secretKeySpec);
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337 | // KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(KeyList.PersonalKey.get().getText().toCharArray());
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338 | // keyStore.setEntry(alias, entry, entryPassword);
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339 | // }
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340 | //
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341 | // final String[] getColleagues(String username) throws KeyStoreException, NoSuchAlgorithmException, UnrecoverableEntryException {
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342 | // String alias = username + "colleagues";
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343 | // if (!keyStore.containsAlias(alias)) {
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344 | // return null;
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345 | // } else {
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346 | // KeyStore.ProtectionParameter entryPassword = new KeyStore.PasswordProtection(KeyList.PersonalKey.get().getText().toCharArray());
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347 | // KeyStore.SecretKeyEntry entry = (SecretKeyEntry) keyStore.getEntry(alias, entryPassword);
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348 | // byte[] colleaguesEncoded = entry.getSecretKey().getEncoded();
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349 | // String colleagues = new String(colleaguesEncoded);
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350 | // return colleagues.split(System.getProperty("line.separator"));
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351 | // }
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352 | // }
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353 |
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354 | private static void setInputManagerWindowRoutines() {
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355 | InputManager manager = EcosystemManager.getInputManager();
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356 |
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357 | // Refresh the layout when the window resizes
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358 | manager.addWindowEventListener(new WindowEventListener() {
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359 | @Override
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360 | public void onWindowEvent(WindowEventType type)
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361 | {
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362 | if (type != WindowEventType.WINDOW_RESIZED) {
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363 | return;
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364 | }
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365 | DisplayController.refreshWindowSize();
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366 | FrameIO.RefreshCacheImages();
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367 | for (Frame frame : DisplayController.getFrames()) {
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368 | if (frame != null) {
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369 | ItemUtils.Justify(frame);
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370 | frame.refreshSize();
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371 | }
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372 | }
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373 | DisplayController.requestRefresh(false);
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374 | }
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375 | });
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376 |
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377 | manager.addWindowEventListener(new WindowEventListener() {
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378 | @Override
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379 | public void onWindowEvent(WindowEventType type)
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380 | {
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381 | if (type != WindowEventType.MOUSE_EXITED_WINDOW) {
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382 | return;
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383 | }
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384 | StandardGestureActions.mouseExitedWindow();
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385 | }
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386 | });
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387 |
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388 | manager.addWindowEventListener(new WindowEventListener() {
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389 | @Override
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390 | public void onWindowEvent(WindowEventType type)
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391 | {
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392 | if (type != WindowEventType.MOUSE_ENTERED_WINDOW) {
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393 | return;
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394 | }
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395 | StandardGestureActions.mouseEnteredWindow();
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396 | }
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397 | });
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398 |
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399 | manager.addWindowEventListener(new WindowEventListener() {
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400 | @Override
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401 | public void onWindowEvent(WindowEventType type)
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402 | {
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403 | if (type != WindowEventType.WINDOW_CLOSED) {
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404 | return;
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405 | }
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406 | if (Browser._theBrowser != null) {
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407 | Browser._theBrowser.exit();
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408 | }
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409 | }
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410 | });
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411 | }
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412 | }
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