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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2012 - 2016 Detlev Offenbach <detlev@die-offenbachs.de> |
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4 # |
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5 |
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6 """ |
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7 Module implementing encryption settings wizard page. |
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8 """ |
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9 |
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10 from __future__ import unicode_literals |
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11 |
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12 from PyQt5.QtCore import pyqtSlot |
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13 from PyQt5.QtWidgets import QWizardPage |
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14 |
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15 from .Ui_SyncEncryptionPage import Ui_SyncEncryptionPage |
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16 |
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17 import Preferences |
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18 |
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19 |
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20 class SyncEncryptionPage(QWizardPage, Ui_SyncEncryptionPage): |
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21 """ |
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22 Class implementing encryption settings wizard page. |
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23 """ |
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24 def __init__(self, parent=None): |
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25 """ |
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26 Constructor |
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27 |
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28 @param parent reference to the parent widget (QWidget) |
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29 """ |
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30 super(SyncEncryptionPage, self).__init__(parent) |
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31 self.setupUi(self) |
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32 |
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33 self.keySizeComboBox.addItem(self.tr("128 Bits"), 16) |
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34 self.keySizeComboBox.addItem(self.tr("192 Bits"), 24) |
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35 self.keySizeComboBox.addItem(self.tr("256 Bits"), 32) |
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36 |
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37 self.registerField("ReencryptData", self.reencryptCheckBox) |
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38 |
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39 self.encryptionGroupBox.setChecked( |
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40 Preferences.getWebBrowser("SyncEncryptData")) |
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41 self.encryptionKeyEdit.setText( |
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42 Preferences.getWebBrowser("SyncEncryptionKey")) |
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43 self.encryptionKeyAgainEdit.setEnabled(False) |
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44 self.keySizeComboBox.setCurrentIndex(self.keySizeComboBox.findData( |
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45 Preferences.getWebBrowser("SyncEncryptionKeyLength"))) |
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46 self.loginsOnlyCheckBox.setChecked( |
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47 Preferences.getWebBrowser("SyncEncryptPasswordsOnly")) |
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48 |
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49 def nextId(self): |
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50 """ |
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51 Public method returning the ID of the next wizard page. |
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52 |
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53 @return next wizard page ID (integer) |
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54 """ |
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55 Preferences.setWebBrowser( |
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56 "SyncEncryptData", self.encryptionGroupBox.isChecked()) |
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57 Preferences.setWebBrowser( |
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58 "SyncEncryptionKey", self.encryptionKeyEdit.text()) |
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59 Preferences.setWebBrowser( |
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60 "SyncEncryptionKeyLength", self.keySizeComboBox.itemData( |
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61 self.keySizeComboBox.currentIndex())) |
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62 Preferences.setWebBrowser( |
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63 "SyncEncryptPasswordsOnly", self.loginsOnlyCheckBox.isChecked()) |
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64 |
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65 from . import SyncGlobals |
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66 return SyncGlobals.PageType |
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67 |
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68 def isComplete(self): |
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69 """ |
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70 Public method to check the completeness of the page. |
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71 |
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72 @return flag indicating completeness (boolean) |
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73 """ |
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74 if self.encryptionGroupBox.isChecked(): |
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75 if self.encryptionKeyEdit.text() == "": |
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76 complete = False |
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77 else: |
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78 if self.reencryptCheckBox.isChecked(): |
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79 complete = (self.encryptionKeyEdit.text() == |
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80 self.encryptionKeyAgainEdit.text()) |
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81 else: |
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82 complete = True |
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83 else: |
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84 complete = True |
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85 |
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86 return complete |
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87 |
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88 def __updateUI(self): |
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89 """ |
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90 Private slot to update the variable parts of the UI. |
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91 """ |
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92 error = "" |
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93 |
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94 if self.encryptionGroupBox.isChecked(): |
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95 self.encryptionKeyAgainEdit.setEnabled( |
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96 self.reencryptCheckBox.isChecked()) |
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97 |
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98 if self.encryptionKeyEdit.text() == "": |
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99 error = error or self.tr( |
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100 "Encryption key must not be empty.") |
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101 |
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102 if self.encryptionKeyEdit.text() != "" and \ |
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103 self.reencryptCheckBox.isChecked() and \ |
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104 (self.encryptionKeyEdit.text() != |
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105 self.encryptionKeyAgainEdit.text()): |
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106 error = error or self.tr( |
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107 "Repeated encryption key is wrong.") |
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108 |
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109 self.errorLabel.setText(error) |
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110 self.completeChanged.emit() |
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111 |
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112 @pyqtSlot(str) |
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113 def on_encryptionKeyEdit_textChanged(self, txt): |
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114 """ |
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115 Private slot to handle changes of the encryption key. |
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116 |
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117 @param txt content of the edit widget (string) |
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118 """ |
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119 self.passwordMeter.checkPasswordStrength(txt) |
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120 self.__updateUI() |
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121 |
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122 @pyqtSlot(str) |
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123 def on_encryptionKeyAgainEdit_textChanged(self, txt): |
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124 """ |
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125 Private slot to handle changes of the encryption key repetition. |
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126 |
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127 @param txt content of the edit widget (string) |
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128 """ |
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129 self.__updateUI() |
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130 |
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131 @pyqtSlot(bool) |
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132 def on_encryptionGroupBox_toggled(self, on): |
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133 """ |
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134 Private slot to handle changes of the encryption selection. |
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135 |
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136 @param on state of the group box (boolean) |
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137 """ |
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138 self.__updateUI() |
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139 |
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140 @pyqtSlot(bool) |
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141 def on_reencryptCheckBox_toggled(self, on): |
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142 """ |
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143 Private slot to handle changes of the re-encryption selection. |
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144 |
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145 @param on state of the check box (boolean) |
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146 """ |
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147 self.__updateUI() |