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DeDRM_tools/Calibre_Plugins/ignobleepub_plugin/config.py
Apprentice Alf 0dcd18d524 tools v5.4
2015-03-07 13:14:37 +00:00

274 lines
13 KiB
Python

#!/usr/bin/env python
from __future__ import with_statement
__license__ = 'GPL v3'
# Standard Python modules.
import os, sys, re, hashlib
# PyQT4 modules (part of calibre).
from PyQt4.Qt import (Qt, QWidget, QHBoxLayout, QVBoxLayout, QLabel, QLineEdit,
QGroupBox, QPushButton, QListWidget, QListWidgetItem,
QAbstractItemView, QIcon, QDialog, QUrl, QString)
from PyQt4 import QtGui
# calibre modules and constants.
from calibre.gui2 import (error_dialog, question_dialog, info_dialog, open_url,
choose_dir, choose_files)
from calibre.utils.config import dynamic, config_dir, JSONConfig
# modules from this plugin's zipfile.
from calibre_plugins.ignoble_epub.__init__ import PLUGIN_NAME, PLUGIN_VERSION
from calibre_plugins.ignoble_epub.__init__ import RESOURCE_NAME as help_file_name
from calibre_plugins.ignoble_epub.utilities import (_load_crypto, normalize_name,
generate_keyfile, caselessStrCmp, AddKeyDialog,
DETAILED_MESSAGE, parseCustString)
JSON_NAME = PLUGIN_NAME.strip().lower().replace(' ', '_')
JSON_PATH = 'plugins/' + JSON_NAME + '.json'
# This is where all preferences for this plugin will be stored
# You should always prefix your config file name with plugins/,
# so as to ensure you dont accidentally clobber a calibre config file
prefs = JSONConfig(JSON_PATH)
# Set defaults
prefs.defaults['keys'] = {}
prefs.defaults['configured'] = False
class ConfigWidget(QWidget):
def __init__(self, help_file_data):
QWidget.__init__(self)
self.help_file_data = help_file_data
self.plugin_keys = prefs['keys']
# Handle the old plugin's customization string by either converting the
# old string to stored keys or by saving the string to a text file of the
# user's choice. Either way... get that personal data out of plain sight.
from calibre.customize.ui import config
sc = config['plugin_customization']
val = sc.get(PLUGIN_NAME, None)
if val is not None:
title = 'Convert existing customization data?'
msg = '<p>Convert your existing insecure customization data? (Please '+ \
'read the detailed message)'
det_msg = DETAILED_MESSAGE
# Offer to convert the old string to the new format
if question_dialog(self, _(title), _(msg), det_msg, True, True):
userkeys = parseCustString(str(val))
if userkeys:
counter = 0
# Yay! We found valid customization data... add it to the new plugin
for k in userkeys:
counter += 1
self.plugin_keys['Converted Old Plugin Key - ' + str(counter)] = k
msg = '<p><b>' + str(counter) + '</b> User key(s) configured from old plugin customization string'
inf = info_dialog(None, _(PLUGIN_NAME + 'info_dlg'), _(msg), show=True)
val = sc.pop(PLUGIN_NAME, None)
if val is not None:
config['plugin_customization'] = sc
else:
# The existing customization string was invalid and wouldn't have
# worked anyway. Offer to save it as a text file and get rid of it.
errmsg = '<p>Unknown Error converting user supplied-customization string'
r = error_dialog(None, PLUGIN_NAME,
_(errmsg), show=True, show_copy_button=False)
self.saveOldCustomizationData(str(val))
val = sc.pop(PLUGIN_NAME, None)
if val is not None:
config['plugin_customization'] = sc
# If they don't want to convert the old string to keys then
# offer to save the old string to a text file and delete the
# the old customization string.
else:
self.saveOldCustomizationData(str(val))
val = sc.pop(PLUGIN_NAME, None)
if val is not None:
config['plugin_customization'] = sc
# First time run since upgrading to new key storage method, or 0 keys configured.
# Prompt to import pre-existing key files.
if not prefs['configured']:
title = 'Import existing key files?'
msg = '<p>This plugin no longer uses *.b64 keyfiles stored in calibre\'s configuration '+ \
'directory. Do you have any exsiting key files there (or anywhere) that you\'d '+ \
'like to migrate into the new plugin preferences method?'
if question_dialog(self, _(title), _(msg)):
self.migrate_files()
# Start Qt Gui dialog layout
layout = QVBoxLayout(self)
self.setLayout(layout)
help_layout = QHBoxLayout()
layout.addLayout(help_layout)
# Add hyperlink to a help file at the right. We will replace the correct name when it is clicked.
help_label = QLabel('<a href="http://www.foo.com/">Plugin Help</a>', self)
help_label.setTextInteractionFlags(Qt.LinksAccessibleByMouse | Qt.LinksAccessibleByKeyboard)
help_label.setAlignment(Qt.AlignRight)
help_label.linkActivated.connect(self.help_link_activated)
help_layout.addWidget(help_label)
keys_group_box = QGroupBox(_('Configured Ignoble Keys:'), self)
layout.addWidget(keys_group_box)
keys_group_box_layout = QHBoxLayout()
keys_group_box.setLayout(keys_group_box_layout)
self.listy = QListWidget(self)
self.listy.setToolTip(_('<p>Stored Ignoble keys that will be used for decryption'))
self.listy.setSelectionMode(QAbstractItemView.SingleSelection)
self.populate_list()
keys_group_box_layout.addWidget(self.listy)
button_layout = QVBoxLayout()
keys_group_box_layout.addLayout(button_layout)
self._add_key_button = QtGui.QToolButton(self)
self._add_key_button.setToolTip(_('Create new key'))
self._add_key_button.setIcon(QIcon(I('plus.png')))
self._add_key_button.clicked.connect(self.add_key)
button_layout.addWidget(self._add_key_button)
self._delete_key_button = QtGui.QToolButton(self)
self._delete_key_button.setToolTip(_('Delete highlighted key'))
self._delete_key_button.setIcon(QIcon(I('list_remove.png')))
self._delete_key_button.clicked.connect(self.delete_key)
button_layout.addWidget(self._delete_key_button)
self.export_key_button = QtGui.QToolButton(self)
self.export_key_button.setToolTip(_('Export highlighted key'))
self.export_key_button.setIcon(QIcon(I('save.png')))
self.export_key_button.clicked.connect(self.export_key)
button_layout.addWidget(self.export_key_button)
spacerItem = QtGui.QSpacerItem(20, 40, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
button_layout.addItem(spacerItem)
layout.addSpacing(20)
migrate_layout = QHBoxLayout()
layout.addLayout(migrate_layout)
self.migrate_btn = QPushButton(_('Import Existing Keyfiles'), self)
self.migrate_btn.setToolTip(_('<p>Import *.b64 keyfiles (used by older versions of the plugin).'))
self.migrate_btn.clicked.connect(self.migrate_wrapper)
migrate_layout.setAlignment(Qt.AlignLeft)
migrate_layout.addWidget(self.migrate_btn)
self.resize(self.sizeHint())
def populate_list(self):
for key in self.plugin_keys.keys():
self.listy.addItem(QListWidgetItem(key))
def add_key(self):
d = AddKeyDialog(self)
d.exec_()
if d.result() != d.Accepted:
# New key generation cancelled.
return
self.plugin_keys[d.key_name] = generate_keyfile(d.user_name, d.cc_number)
self.listy.clear()
self.populate_list()
def delete_key(self):
if not self.listy.currentItem():
return
keyname = unicode(self.listy.currentItem().text())
if not question_dialog(self, _('Are you sure?'), _('<p>'+
'Do you really want to delete the Ignoble key named <strong>%s</strong>?') % keyname,
show_copy_button=False, default_yes=False):
return
del self.plugin_keys[keyname]
self.listy.clear()
self.populate_list()
def help_link_activated(self, url):
def get_help_file_resource():
# Copy the HTML helpfile to the plugin directory each time the
# link is clicked in case the helpfile is updated in newer plugins.
file_path = os.path.join(config_dir, 'plugins', help_file_name)
with open(file_path,'w') as f:
f.write(self.help_file_data)
return file_path
url = 'file:///' + get_help_file_resource()
open_url(QUrl(url))
def save_settings(self):
prefs['keys'] = self.plugin_keys
if prefs['keys']:
prefs['configured'] = True
else:
prefs['configured'] = False
def migrate_files(self):
dynamic[PLUGIN_NAME + 'config_dir'] = config_dir
files = choose_files(self, PLUGIN_NAME + 'config_dir',
_('Select Ignoble keyfiles to import'), [('Ignoble Keyfiles', ['b64'])], False)
if files:
counter = 0
skipped = 0
for filename in files:
fpath = os.path.join(config_dir, filename)
new_key_name = os.path.splitext(os.path.basename(filename))[0]
match = False
for key in self.plugin_keys.keys():
if caselessStrCmp(new_key_name, key) == 0:
match = True
break
if not match:
with open(fpath, 'rb') as f:
counter += 1
self.plugin_keys[unicode(new_key_name)] = f.read()
else:
skipped += 1
msg = '<p>A key with the name <strong>' + new_key_name + '</strong> already exists! </p>' + \
'<p>Skipping key file named <strong>' + filename + '</strong>.</p>' + \
'<p>Either delete the existing key and re-migrate, or ' + \
'create that key manually with a different name.'
inf = info_dialog(None, _(PLUGIN_NAME + 'info_dlg'),
_(msg), show=True)
msg = '<p>Done migrating <strong>' + str(counter) + '</strong> ' + \
'key files...</p><p>Skipped <strong>' + str(skipped) + '</strong> key files.'
inf = info_dialog(None, _(PLUGIN_NAME + 'info_dlg'),
_(msg), show=True)
return 1
return 0
def migrate_wrapper(self):
if self.migrate_files():
self.listy.clear()
self.populate_list()
def export_key(self):
if not self.listy.currentItem():
errmsg = '<p>No keyfile selected to export. Highlight a keyfile first.'
r = error_dialog(None, PLUGIN_NAME,
_(errmsg), show=True, show_copy_button=False)
return
filter = QString('Ignoble Key Files (*.b64)')
keyname = unicode(self.listy.currentItem().text())
if dynamic.get(PLUGIN_NAME + 'save_dir'):
defaultname = os.path.join(dynamic.get(PLUGIN_NAME + 'save_dir'), keyname + '.b64')
else:
defaultname = os.path.join(os.path.expanduser('~'), keyname + '.b64')
filename = str(QtGui.QFileDialog.getSaveFileName(self, "Save Ignoble Key File as...", defaultname,
"Ignoble Key Files (*.b64)", filter))
if filename:
dynamic[PLUGIN_NAME + 'save_dir'] = os.path.split(filename)[0]
fname = open(filename, 'w')
fname.write(self.plugin_keys[keyname])
fname.close()
def saveOldCustomizationData(self, strdata):
filter = QString('Text files (*.txt)')
default_basefilename = PLUGIN_NAME + ' old customization data.txt'
defaultname = os.path.join(os.path.expanduser('~'), default_basefilename)
filename = str(QtGui.QFileDialog.getSaveFileName(self, "Save old plugin style customization data as...", defaultname,
"Text Files (*.txt)", filter))
if filename:
fname = open(filename, 'w')
fname.write(strdata)
fname.close()