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#!/usr/bin/python3
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import glob
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import hashlib
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import os
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import shutil
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import subprocess
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import sys
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import threading
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk, Pango, Gdk, GLib
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MOUNT_PATH = '/mnt/pw_ramdisk'
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PWD_FILE_PATH = '/home/dsorber/Desktop/network'
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ENC_FILE_PATH = '/home/dsorber/Documents/chicken_soup.enc'
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SCRATCH_FILE_PATH = '/mnt/pw_ramdisk/chicken_soup.txt'
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ENC_TMP_FILE_PATH = '/home/dsorber/Documents/chicken_soup.enc.tmp'
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KEY_FILE_PATH = '/mnt/pw_ramdisk/.f05d11ef-000c-45c2-ae14-56b56c23e1c5'
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VERSION = '0.0.9-beta'
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class BetterSearchWindow(Gtk.Window):
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def __init__(self, parent):
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self.parent = parent
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Gtk.Window.__init__(self, title='Search')
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self.set_default_size(400, 140)
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self.set_border_width(10)
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vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=3)
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self.add(vbox)
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# ~ search_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=1)
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search_grid = Gtk.Grid()
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search_grid.set_column_spacing(10)
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search_label = Gtk.Label('Search for:')
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search_grid.attach(search_label, 0, 0, 1, 1)
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self.search_entry = Gtk.Entry()
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self.search_entry.set_hexpand(True)
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search_grid.attach(self.search_entry, 1, 0, 1, 1)
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vbox.pack_start(search_grid, True, True, 4)
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# Stats display
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self.stats_label = Gtk.Label('Matches found: ')
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vbox.pack_start(self.stats_label, True, True, 0)
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# Buttons
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button_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=6)
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self.close_button = Gtk.Button.new_with_label('Close')
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button_box.pack_start(self.close_button, True, True, 0)
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self.close_button.connect('clicked', self.on_close_clicked)
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self.next_button = Gtk.Button.new_with_label('Next')
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button_box.pack_start(self.next_button, True, True, 0)
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self.next_button.connect('clicked', self.on_next_clicked)
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vbox.pack_start(button_box, False, True, 0)
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def on_close_clicked(self, widget):
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self.destroy()
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def on_next_clicked(self, widget):
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search_term = self.search_entry.get_text().strip()
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print('Search for: '.format(search_term))
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# Get start iterator
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cursor_mark = self.parent.textbuffer.get_insert()
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start = self.parent.textbuffer.get_iter_at_mark(cursor_mark)
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if start.get_offset() == self.parent.textbuffer.get_char_count():
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start = self.parent.textbuffer.get_start_iter()
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# ~ self.search_and_mark(dialog.entry.get_text(), start)
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class SearchDialog(Gtk.Dialog):
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def __init__(self, parent):
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Gtk.Dialog.__init__(self, 'Search', parent,
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Gtk.DialogFlags.MODAL, buttons=(
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Gtk.STOCK_FIND, Gtk.ResponseType.OK,
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Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL))
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box = self.get_content_area()
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label = Gtk.Label('Insert text you want to search for:')
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box.add(label)
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self.entry = Gtk.Entry()
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self.entry.set_activates_default(True)
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box.add(self.entry)
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# Make hitting ENTER trigger the OK button
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ok_button = self.get_widget_for_response(response_id=Gtk.ResponseType.OK)
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ok_button.set_can_default(True)
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ok_button.grab_default()
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self.show_all()
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class WarningDialog(Gtk.MessageDialog):
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def __init__(self, parent, title, message):
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Gtk.MessageDialog.__init__(self, parent,
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Gtk.DialogFlags.MODAL,
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Gtk.MessageType.WARNING,
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Gtk.ButtonsType.OK_CANCEL,
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message)
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self.set_title(title)
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# Make hitting ENTER trigger the OK button
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ok_button = self.get_widget_for_response(response_id=Gtk.ResponseType.OK)
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ok_button.set_can_default(True)
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ok_button.grab_default()
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self.show_all()
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def get_user_pw(parent, message, title=''):
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"""
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Returns user input as a string or None
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If user does not input text it returns None, NOT AN EMPTY STRING.
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https://stackoverflow.com/questions/13970445/python-gtk3-how-to-add-a-gtk-entry-to-a-gtk-messagedialog
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"""
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dialog = Gtk.MessageDialog(parent=parent,
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modal=True,
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destroy_with_parent=True,
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message_type=Gtk.MessageType.QUESTION,
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buttons=Gtk.ButtonsType.OK_CANCEL,
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text=message)
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dialog.set_title(title)
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box = dialog.get_content_area()
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box.set_border_width(10)
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pw_entry = Gtk.Entry()
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pw_entry.set_visibility(False)
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pw_entry.set_invisible_char('*')
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pw_entry.set_size_request(200, 0)
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pw_entry.set_activates_default(True)
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box.add(pw_entry)
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#~ box.pack_end(pw_entry, False, False, 0)
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# Make hitting ENTER trigger the OK button
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ok_button = dialog.get_widget_for_response(response_id=Gtk.ResponseType.OK)
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ok_button.set_can_default(True)
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ok_button.grab_default()
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dialog.show_all()
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response = dialog.run()
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text = pw_entry.get_text()
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dialog.destroy()
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if (response == Gtk.ResponseType.OK) and (text != ''):
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return text
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else:
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return None
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def yield_gtk():
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while Gtk.events_pending():
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Gtk.main_iteration()
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class ProgressBarWindow(Gtk.Window):
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def __init__(self, parent, title):
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Gtk.Window.__init__(self, title=title)
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self.set_border_width(10)
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vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=3)
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self.add(vbox)
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self.progressbar = Gtk.ProgressBar()
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vbox.pack_start(self.progressbar, True, True, 0)
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self.progressbar.set_text('Zee text')
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self.progressbar.set_show_text(True)
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self.set_modal(True)
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self.set_decorated(False)
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self.set_deletable(False)
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self.set_transient_for(parent)
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def update_text(self, text):
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self.progressbar.set_text(text)
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def update_complete(self, fraction):
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self.progressbar.set_fraction(fraction)
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class TextViewWindow(Gtk.Window):
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def __init__(self):
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Gtk.Window.__init__(self, title='pwmgr')
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self.set_default_size(800, 600)
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self.grid = Gtk.Grid()
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self.add(self.grid)
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self.create_textview()
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self.create_toolbar()
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self.create_bottom()
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self.connect("key-press-event", self._key_press_event)
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self.mounted = False
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self.pass_data_loaded = False
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self.pwd_file_fd = None
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self.original_hash = None
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self.pbar_win = None
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# Open password prompt window at start
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self.open_pwd_file(self.grid)
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yield_gtk()
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def _key_press_event(self, widget, event):
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keyval = event.keyval
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keyval_name = Gdk.keyval_name(keyval)
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state = event.state
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ctrl = (state & Gdk.ModifierType.CONTROL_MASK)
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# Bind existing handlers to keys
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if ctrl and keyval_name == 'f':
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self.on_search_clicked(widget)
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elif ctrl and keyval_name == 'o':
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self.open_pwd_file(widget)
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elif ctrl and keyval_name == 's':
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self.save_pwd_file(widget)
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elif ctrl and keyval_name == 'q':
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self.close_pwd_file(widget, None)
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else:
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return False
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return True
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def create_toolbar(self):
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toolbar = Gtk.Toolbar()
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self.grid.attach(toolbar, 0, 0, 3, 1)
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button_open = Gtk.ToolButton()
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button_open.set_icon_name('document-open')
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toolbar.insert(button_open, 0)
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button_open.connect('clicked', self.open_pwd_file)
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button_save = Gtk.ToolButton()
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button_save.set_icon_name('document-save')
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toolbar.insert(button_save, 1)
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button_save.connect('clicked', self.save_pwd_file)
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button_close = Gtk.ToolButton()
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button_close.set_icon_name('window-close')
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toolbar.insert(button_close, 2)
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button_close.connect('clicked', self.close_pwd_file, None)
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toolbar.insert(Gtk.SeparatorToolItem(), 3)
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button_clear = Gtk.ToolButton()
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button_clear.set_icon_name('edit-clear-symbolic')
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button_clear.connect('clicked', self.on_clear_clicked)
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toolbar.insert(button_clear, 4)
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toolbar.insert(Gtk.SeparatorToolItem(), 5)
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button_search = Gtk.ToolButton()
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button_search.set_icon_name('system-search-symbolic')
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button_search.connect('clicked', self.on_search_clicked)
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toolbar.insert(button_search, 6)
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button_new_search = Gtk.ToolButton()
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button_new_search.set_icon_name('system-search-symbolic')
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button_new_search.connect('clicked', self.on_new_search_clicked)
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toolbar.insert(button_new_search, 7)
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def create_textview(self):
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scrolledwindow = Gtk.ScrolledWindow()
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scrolledwindow.set_hexpand(True)
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scrolledwindow.set_vexpand(True)
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self.grid.attach(scrolledwindow, 0, 1, 3, 1)
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self.textview = Gtk.TextView()
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self.textview.set_editable(False)
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self.textview.set_cursor_visible(False)
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self.textbuffer = self.textview.get_buffer()
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scrolledwindow.add(self.textview)
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self.tag_bold = self.textbuffer.create_tag("bold",
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weight=Pango.Weight.BOLD)
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self.tag_italic = self.textbuffer.create_tag("italic",
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style=Pango.Style.ITALIC)
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self.tag_underline = self.textbuffer.create_tag("underline",
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underline=Pango.Underline.SINGLE)
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self.tag_found = self.textbuffer.create_tag('found',
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background='orange',
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weight=Pango.Weight.BOLD)
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def create_bottom(self):
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label = Gtk.Label()
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label.set_text('version: {:s}'.format(VERSION))
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label.set_justify(Gtk.Justification.RIGHT)
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self.grid.attach(label, 0, 2, 3, 1)
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def open_pwd_file(self, widget):
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"""
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Open handler
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"""
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# Get password
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if not self.pass_data_loaded:
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passwd = get_user_pw(self, 'Please enter your password', 'Password')
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if passwd is None:
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return
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if not self.mounted:
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os.makedirs(MOUNT_PATH, 0o600, exist_ok=True)
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# Mount the tmpfs
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mnt_cmd = 'mount -t tmpfs -o size=16m tmpfs {:s}'
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mnt_cmd = mnt_cmd.format(MOUNT_PATH)
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subprocess.call(mnt_cmd, shell=True, timeout=5)
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self.mounted = True
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# Store password
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with open(KEY_FILE_PATH, 'w') as pass_wd_file:
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pass_wd_file.write(passwd)
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os.chmod(KEY_FILE_PATH, 0o600)
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# Decrypt password store
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cmd = 'openssl enc -aes-256-cbc -d -in {:s} -out {:s} -pass file:{:s}'
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cmd = cmd.format(ENC_FILE_PATH, SCRATCH_FILE_PATH, KEY_FILE_PATH)
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subprocess.call(cmd, shell=True, timeout=5)
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# Open and load file; make textview editable
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with open(SCRATCH_FILE_PATH, 'r') as pwd_file_fd:
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self.textbuffer.set_text(pwd_file_fd.read())
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self.textview.set_editable(True)
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self.textview.set_cursor_visible(True)
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# Store hash of the original content which is used to detect changes
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self.original_hash = self._hash_textview()
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# Mark state that pasword data is loaded
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self.pass_data_loaded = True
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def save_pwd_file(self, widget):
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"""
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Save handler
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"""
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if self.mounted and self.pass_data_loaded:
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# Check if changes have been made
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current_hash = self._hash_textview()
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if self.original_hash.hexdigest() != current_hash.hexdigest():
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# Changes were made, must save data
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# Write the password store data to the scratch file
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with open(SCRATCH_FILE_PATH, 'w') as pwd_file_fd:
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pwd_file_fd.write(
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self.textbuffer.get_text(self.textbuffer.get_start_iter(),
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self.textbuffer.get_end_iter(),
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True))
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print('Write complete')
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# Encrypt the password store
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cmd = 'openssl enc -aes-256-cbc -salt -in {:s} -out {:s} -pass'\
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' file:{:s}'
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cmd = cmd.format(SCRATCH_FILE_PATH, ENC_TMP_FILE_PATH,
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KEY_FILE_PATH)
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subprocess.call(cmd, shell=True, timeout=5)
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print('Enc complete')
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# Remove the key file, then copy over the encrypted file with
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# the just created temp one
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os.remove(KEY_FILE_PATH)
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os.remove(ENC_FILE_PATH)
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os.rename(ENC_TMP_FILE_PATH, ENC_FILE_PATH)
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# Clear the buffer and disable the textview
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self.textbuffer.set_text('')
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self.textview.set_editable(False)
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self.textview.set_cursor_visible(False)
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# Mark password data as not loaded
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self.pass_data_loaded = False
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def _remove_mount_files(self):
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""" Helper function to remove files in the mount path
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"""
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for file_object in os.listdir(MOUNT_PATH):
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file_object_path = os.path.join(MOUNT_PATH, file_object)
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if os.path.isfile(file_object_path):
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os.unlink(file_object_path)
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else:
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shutil.rmtree(file_object_path)
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def _hash_textview(self):
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""" Helper function to hash the contents of the textview
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"""
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passwd_text = self.textbuffer.get_text(self.textbuffer.get_start_iter(),
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self.textbuffer.get_end_iter(),
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True)
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return hashlib.sha256(bytearray(passwd_text, 'utf-8'))
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def do_mount_cleanup(self):
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"""
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Clean up ramdisk by overwriting, then unmount
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"""
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self.pbar_win.update_text('Starting ramdisk cleanup')
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yield_gtk()
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# Build shell commands to write random and zero data (respectively) to
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# the file
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rand_write_cmd = 'dd if=/dev/urandom of={:s} bs=16M count=1 status=none'
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rand_write_cmd = rand_write_cmd.format(os.path.join(MOUNT_PATH, 'data'))
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zero_write_cmd = 'dd if=/dev/zero of={:s} bs=16M count=1 status=none'
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zero_write_cmd = zero_write_cmd.format(os.path.join(MOUNT_PATH, 'data'))
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self._remove_mount_files()
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# Overwrite the ramdisk a few times
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for ctr in range(10):
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print(ctr)
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message = 'Overwrite {:d} of 10'.format(ctr + 1)
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self.pbar_win.update_text(message)
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yield_gtk()
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# Do one pass, write random data then write zeros
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subprocess.call(rand_write_cmd, shell=True, timeout=5)
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self._remove_mount_files()
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subprocess.call(zero_write_cmd, shell=True, timeout=5)
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self._remove_mount_files()
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# Update progress bar
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self.pbar_win.update_complete((ctr + 1) / 10)
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yield_gtk()
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self.pbar_win.update_text('Unmounting ramdisk')
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yield_gtk()
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# Unmount the ramdisk
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umount_cmd = 'umount {:s}'.format(MOUNT_PATH)
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subprocess.call(umount_cmd, shell=True, timeout=5)
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self.pbar_win.update_text('Complete')
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yield_gtk()
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def close_pwd_file(self, widget, other):
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"""
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Close handler
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"""
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if self.pass_data_loaded:
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# Hash the current text to see if any changes have been made
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current_hash = self._hash_textview()
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if current_hash.hexdigest() != self.original_hash.hexdigest():
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# Changes have been made, ask the user to save
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dialog = WarningDialog(self, 'Save changes?',
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'Save changes to password data?')
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response = dialog.run()
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dialog.destroy()
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if response == Gtk.ResponseType.OK:
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self.save_pwd_file(widget)
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# Clear the buffer and disable the textview
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self.textbuffer.set_text('')
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self.textview.set_editable(False)
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self.textview.set_cursor_visible(False)
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if self.mounted:
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# Create the progress window
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self.pbar_win = ProgressBarWindow(self, 'Closing...')
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self.pbar_win.show_all()
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yield_gtk()
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self.do_mount_cleanup()
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# Quit GTK app
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Gtk.main_quit()
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print('CLOSE')
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def on_clear_clicked(self, widget):
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start = self.textbuffer.get_start_iter()
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end = self.textbuffer.get_end_iter()
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self.textbuffer.remove_all_tags(start, end)
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def on_search_clicked(self, widget):
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dialog = SearchDialog(self)
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response = dialog.run()
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if response == Gtk.ResponseType.OK:
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cursor_mark = self.textbuffer.get_insert()
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start = self.textbuffer.get_iter_at_mark(cursor_mark)
|
|
if start.get_offset() == self.textbuffer.get_char_count():
|
|
start = self.textbuffer.get_start_iter()
|
|
|
|
self.search_and_mark(dialog.entry.get_text(), start)
|
|
|
|
dialog.destroy()
|
|
|
|
def search_and_mark(self, text, start):
|
|
# Remove existing marks before starting new search
|
|
self.textbuffer.remove_all_tags(self.textbuffer.get_start_iter(),
|
|
self.textbuffer.get_end_iter())
|
|
|
|
end = self.textbuffer.get_end_iter()
|
|
match = start.forward_search(text, Gtk.TextSearchFlags.CASE_INSENSITIVE, end)
|
|
|
|
if match != None:
|
|
match_start, match_end = match
|
|
self.textbuffer.apply_tag(self.tag_found, match_start, match_end)
|
|
|
|
# Scroll so the match appears in the middle of the screen
|
|
self.textview.scroll_to_iter(match_start, 0.1, True, 0.0, 0.5)
|
|
#~ self.search_and_mark(text, match_end)
|
|
|
|
def on_new_search_clicked(self, widget):
|
|
print('New search!')
|
|
search_win = BetterSearchWindow(self)
|
|
search_win.show_all()
|
|
|
|
def main():
|
|
"""
|
|
NOTE: this *must* be called using sudo or gksudo
|
|
"""
|
|
win = TextViewWindow()
|
|
win.connect('delete-event', win.close_pwd_file)
|
|
win.show_all()
|
|
Gtk.main()
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|