# Copyright 2016, Tresys Technology, LLC # # 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, QScrollArea from setools import RoleQuery from ..logtosignal import LogHandlerToSignal from ..models import SEToolsListModel, invert_list_selection from ..rolemodel import RoleTableModel, role_detail from ..widget import SEToolsWidget from .queryupdater import QueryResultsUpdater from .workspace import load_checkboxes, load_lineedits, load_listviews, load_textedits, \ save_checkboxes, save_lineedits, save_listviews, save_textedits class RoleQueryTab(SEToolsWidget, QScrollArea): """Role browser and query tab.""" def __init__(self, parent, policy, perm_map): super(RoleQueryTab, self).__init__(parent) self.log = logging.getLogger(__name__) self.policy = policy self.query = RoleQuery(policy) self.setupUi() def __del__(self): self.thread.quit() self.thread.wait(5000) logging.getLogger("setools.rolequery").removeHandler(self.handler) def setupUi(self): self.load_ui("rolequery.ui") # populate role list self.role_model = SEToolsListModel(self) self.role_model.item_list = sorted(r for r in self.policy.roles()) self.roles.setModel(self.role_model) # populate type list self.type_model = SEToolsListModel(self) self.type_model.item_list = sorted(self.policy.types()) self.types.setModel(self.type_model) # set up results self.table_results_model = RoleTableModel(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(0, Qt.AscendingOrder) # setup indications of errors on level/range self.orig_palette = self.name.palette() self.error_palette = self.name.palette() self.error_palette.setColor(QPalette.Base, Qt.red) self.clear_name_error() # 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.rolequery").addHandler(self.handler) # Ensure settings are consistent with the initial .ui state self.notes.setHidden(not self.notes_expander.isChecked()) # connect signals self.roles.doubleClicked.connect(self.get_detail) self.roles.get_detail.triggered.connect(self.get_detail) self.name.textEdited.connect(self.clear_name_error) self.name.editingFinished.connect(self.set_name) self.name_regex.toggled.connect(self.set_name_regex) self.types.selectionModel().selectionChanged.connect(self.set_types) self.invert_types.clicked.connect(self.invert_type_selection) self.buttonBox.clicked.connect(self.run) # # User browser # def get_detail(self): # .ui is set for single item selection. index = self.roles.selectedIndexes()[0] item = self.role_model.data(index, Qt.UserRole) self.log.debug("Generating detail window for {0}".format(item)) role_detail(self, item) # # Name criteria # def clear_name_error(self): self.name.setToolTip("Match the role name.") self.name.setPalette(self.orig_palette) def set_name(self): try: self.query.name = self.name.text() except Exception as ex: self.log.error("Role name error: {0}".format(ex)) self.name.setToolTip("Error: " + str(ex)) self.name.setPalette(self.error_palette) def set_name_regex(self, state): self.log.debug("Setting name_regex {0}".format(state)) self.query.name_regex = state self.clear_name_error() self.set_name() # # Type criteria # def set_types(self): selected_types = [] for index in self.types.selectionModel().selectedIndexes(): selected_types.append(self.type_model.data(index, Qt.UserRole)) self.query.types = selected_types def invert_type_selection(self): invert_list_selection(self.types.selectionModel()) # # Save/Load tab # def save(self): """Return a dictionary of settings.""" settings = {} save_checkboxes(self, settings, ["criteria_expander", "notes_expander", "name_regex", "types_any", "types_equal"]) save_lineedits(self, settings, ["name"]) save_listviews(self, settings, ["types"]) save_textedits(self, settings, ["notes"]) return settings def load(self, settings): load_checkboxes(self, settings, ["criteria_expander", "notes_expander", "name_regex", "types_any", "types_equal"]) load_lineedits(self, settings, ["name"]) load_listviews(self, settings, ["types"]) load_textedits(self, settings, ["notes"]) # # Results runner # def run(self, button): # right now there is only one button. self.query.types_equal = self.types_equal.isChecked() # 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} role(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 the types column width is too long, pull back # to a reasonable size header = self.table_results.horizontalHeader() if header.sectionSize(1) > 400: header.resizeSection(1, 400) 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()