# Copyright 2016, Tresys Technology, LLC # Copyright 2016, Chris PeBenito # # This file is part of SETools. # # SETools is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as # published by the Free Software Foundation, either version 2.1 of # the License, or (at your option) any later version. # # SETools is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with SETools. If not, see # . # import logging from PyQt5.QtCore import Qt, QSortFilterProxyModel, QStringListModel, QThread from PyQt5.QtGui import QPalette, QTextCursor from PyQt5.QtWidgets import QCompleter, QHeaderView, QMessageBox, QProgressDialog from setools import DefaultQuery, DefaultValue, DefaultRangeValue from ..logtosignal import LogHandlerToSignal from ..models import SEToolsListModel, invert_list_selection from ..defaultmodel import DefaultTableModel from .analysistab import AnalysisTab from .queryupdater import QueryResultsUpdater from .workspace import load_checkboxes, load_comboboxes, load_listviews, load_textedits, \ save_checkboxes, save_comboboxes, save_listviews, save_textedits class DefaultQueryTab(AnalysisTab): """Default browser and query tab.""" def __init__(self, parent, policy, perm_map): super(DefaultQueryTab, self).__init__(parent) self.log = logging.getLogger(__name__) self.policy = policy self.query = DefaultQuery(policy) self.setupUi() def __del__(self): self.thread.quit() self.thread.wait(5000) logging.getLogger("setools.defaultquery").removeHandler(self.handler) def setupUi(self): self.load_ui("apol/defaultquery.ui") # set up results self.table_results_model = DefaultTableModel(self) self.sort_proxy = QSortFilterProxyModel(self) self.sort_proxy.setSourceModel(self.table_results_model) self.table_results.setModel(self.sort_proxy) self.table_results.sortByColumn(1, Qt.AscendingOrder) # populate class list self.class_model = SEToolsListModel(self) self.class_model.item_list = sorted(self.policy.classes()) self.tclass.setModel(self.class_model) # these two lists have empty string as their first item # (in the .ui file): # populate default value list for i, e in enumerate(DefaultValue, start=1): self.default_value.insertItem(i, e.name, e) # populate default range value list for i, e in enumerate(DefaultRangeValue, start=1): self.default_range_value.insertItem(i, e.name, e) # set up processing thread self.thread = QThread() self.worker = QueryResultsUpdater(self.query, self.table_results_model) self.worker.moveToThread(self.thread) self.worker.raw_line.connect(self.raw_results.appendPlainText) self.worker.finished.connect(self.update_complete) self.worker.finished.connect(self.thread.quit) self.thread.started.connect(self.worker.update) # create a "busy, please wait" dialog self.busy = QProgressDialog(self) self.busy.setModal(True) self.busy.setRange(0, 0) self.busy.setMinimumDuration(0) self.busy.canceled.connect(self.thread.requestInterruption) self.busy.reset() # update busy dialog from query INFO logs self.handler = LogHandlerToSignal() self.handler.message.connect(self.busy.setLabelText) logging.getLogger("setools.defaultquery").addHandler(self.handler) # Ensure settings are consistent with the initial .ui state self.default_range_value.setEnabled(self.default_range.isChecked()) self.notes.setHidden(not self.notes_expander.isChecked()) # connect signals self.default_range.toggled.connect(self.default_range_value.setEnabled) self.clear_ruletypes.clicked.connect(self.clear_all_ruletypes) self.all_ruletypes.clicked.connect(self.set_all_ruletypes) self.tclass.selectionModel().selectionChanged.connect(self.set_tclass) self.invert_class.clicked.connect(self.invert_tclass_selection) self.buttonBox.clicked.connect(self.run) # # Ruletype criteria # def _set_ruletypes(self, value): self.default_user.setChecked(value) self.default_role.setChecked(value) self.default_type.setChecked(value) self.default_range.setChecked(value) def set_all_ruletypes(self): self._set_ruletypes(True) def clear_all_ruletypes(self): self._set_ruletypes(False) # # Class criteria # def set_tclass(self): selected_classes = [] for index in self.tclass.selectionModel().selectedIndexes(): selected_classes.append(self.class_model.data(index, Qt.UserRole)) self.query.tclass = selected_classes def invert_tclass_selection(self): invert_list_selection(self.tclass.selectionModel()) # # Save/Load tab # def save(self): """Return a dictionary of settings.""" settings = {} save_checkboxes(self, settings, ["criteria_expander", "notes_expander", "default_user", "default_role", "default_type", "default_range"]) save_comboboxes(self, settings, ["default_value", "default_range_value"]) save_listviews(self, settings, ["tclass"]) save_textedits(self, settings, ["notes"]) return settings def load(self, settings): load_checkboxes(self, settings, ["criteria_expander", "notes_expander", "default_user", "default_role", "default_type", "default_range"]) load_comboboxes(self, settings, ["default_value", "default_range_value"]) load_listviews(self, settings, ["tclass"]) load_textedits(self, settings, ["notes"]) # # Results runner # def run(self, button): # right now there is only one button. rule_types = [] for mode in [self.default_user, self.default_role, self.default_type, self.default_range]: if mode.isChecked(): rule_types.append(mode.objectName()) self.query.ruletype = rule_types self.query.default = self.default_value.currentData(Qt.UserRole) if self.default_range_value.isEnabled(): self.query.default_range = self.default_range_value.currentData(Qt.UserRole) else: self.query.default_range = None # start processing self.busy.setLabelText("Processing query...") self.busy.show() self.raw_results.clear() self.thread.start() def update_complete(self, count): self.log.info("{0} default(s) found.".format(count)) # update sizes/location of result displays if not self.busy.wasCanceled(): self.busy.setLabelText("Resizing the result table's columns; GUI may be unresponsive") self.busy.repaint() self.table_results.resizeColumnsToContents() if not self.busy.wasCanceled(): self.busy.setLabelText("Resizing the result table's rows; GUI may be unresponsive") self.busy.repaint() self.table_results.resizeRowsToContents() if not self.busy.wasCanceled(): self.busy.setLabelText("Moving the raw result to top; GUI may be unresponsive") self.busy.repaint() self.raw_results.moveCursor(QTextCursor.Start) self.busy.reset()