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4.2.0
setoolsgui/apol/commonquery.py
223 строки
8 KB
Chris PeBenito
Update static testing and fix identified issues.
12 авг 2018, 03:46
12 авг 2018, 03:46
6d7a672
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# 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 # <http://www.gnu.org/licenses/>. # 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 CommonQuery from ..logtosignal import LogHandlerToSignal from ..models import SEToolsListModel, invert_list_selection from ..commonmodel import CommonTableModel, common_detail from .analysistab import AnalysisTab from .exception import TabFieldError from .queryupdater import QueryResultsUpdater from .workspace import load_checkboxes, load_lineedits, load_listviews, load_textedits, \ save_checkboxes, save_lineedits, save_listviews, save_textedits class CommonQueryTab(AnalysisTab): """Common browser and query tab.""" def __init__(self, parent, policy, perm_map): super(CommonQueryTab, self).__init__(parent) self.log = logging.getLogger(__name__) self.policy = policy self.query = CommonQuery(policy) self.setupUi() def __del__(self): self.thread.quit() self.thread.wait(5000) logging.getLogger("setools.commonquery").removeHandler(self.handler) def setupUi(self): self.load_ui("apol/commonquery.ui") # populate commons list self.common_model = SEToolsListModel(self) self.common_model.item_list = sorted(c for c in self.policy.commons()) self.commons.setModel(self.common_model) # populate perm list self.perms_model = SEToolsListModel(self) perms = set() for com in self.policy.commons(): perms.update(com.perms) self.perms_model.item_list = sorted(perms) self.perms.setModel(self.perms_model) # set up results self.table_results_model = CommonTableModel(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 self.errors = set() 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.commonquery").addHandler(self.handler) # Ensure settings are consistent with the initial .ui state self.set_name_regex(self.name_regex.isChecked()) self.notes.setHidden(not self.notes_expander.isChecked()) # connect signals self.commons.doubleClicked.connect(self.get_detail) self.commons.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.perms.selectionModel().selectionChanged.connect(self.set_perms) self.invert_perms.clicked.connect(self.invert_perms_selection) self.buttonBox.clicked.connect(self.run) # # Class browser # def get_detail(self): # .ui is set for single item selection. index = self.commons.selectedIndexes()[0] item = self.common_model.data(index, Qt.UserRole) self.log.debug("Generating detail window for {0}".format(item)) common_detail(self, item) # # Name criteria # def clear_name_error(self): self.clear_criteria_error(self.name, "Match the common name.") def set_name(self): try: self.query.name = self.name.text() except Exception as ex: self.log.error("Common name error: {0}".format(ex)) self.set_criteria_error(self.name, ex) 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() # # Permissions criteria # def set_perms(self): selected_perms = [] for index in self.perms.selectionModel().selectedIndexes(): selected_perms.append(self.perms_model.data(index, Qt.UserRole)) self.query.perms = selected_perms def invert_perms_selection(self): invert_list_selection(self.perms.selectionModel()) # # Save/Load tab # def save(self): """Return a dictionary of settings.""" if self.errors: raise TabFieldError("Field(s) are in error: {0}". format(" ".join(o.objectName() for o in self.errors))) settings = {} save_checkboxes(self, settings, ["criteria_expander", "notes_expander", "name_regex", "perms_equal"]) save_lineedits(self, settings, ["name"]) save_listviews(self, settings, ["perms"]) save_textedits(self, settings, ["notes"]) return settings def load(self, settings): load_checkboxes(self, settings, ["criteria_expander", "notes_expander", "name_regex", "perms_equal"]) load_lineedits(self, settings, ["name"]) load_listviews(self, settings, ["perms"]) load_textedits(self, settings, ["notes"]) # # Results runner # def run(self, button): # right now there is only one button. self.query.perms_equal = self.perms_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} common(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 permissions 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()