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Diffstat (limited to 'src/leap/bitmask/gui/logwindow.py')
| -rw-r--r-- | src/leap/bitmask/gui/logwindow.py | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/src/leap/bitmask/gui/logwindow.py b/src/leap/bitmask/gui/logwindow.py new file mode 100644 index 00000000..718269c9 --- /dev/null +++ b/src/leap/bitmask/gui/logwindow.py @@ -0,0 +1,247 @@ +# -*- coding: utf-8 -*- +# logwindow.py +# Copyright (C) 2013 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program 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 General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +""" +History log window +""" +import cgi + +from PySide import QtCore, QtGui + +import logbook + +from ui_loggerwindow import Ui_LoggerWindow + +from leap.bitmask.logs.utils import get_logger, LOG_CONTROLLER +from leap.bitmask.util.constants import PASTEBIN_API_DEV_KEY +from leap.bitmask.util import pastebin + +logger = get_logger() + + +class LoggerWindow(QtGui.QDialog): + """ + Window that displays a history of the logged messages in the app. + """ + _paste_ok = QtCore.Signal(object) + _paste_error = QtCore.Signal(object) + + def __init__(self, parent): + """ + Initialize the widget. + """ + QtGui.QDialog.__init__(self, parent) + + # Load UI + self.ui = Ui_LoggerWindow() + self.ui.setupUi(self) + + # Make connections + self.ui.btnSave.clicked.connect(self._save_log_to_file) + self.ui.btnDebug.toggled.connect(self._load_history), + self.ui.btnInfo.toggled.connect(self._load_history), + self.ui.btnWarning.toggled.connect(self._load_history), + self.ui.btnError.toggled.connect(self._load_history), + self.ui.btnCritical.toggled.connect(self._load_history) + self.ui.leFilterBy.textEdited.connect(self._filter_by) + self.ui.cbCaseInsensitive.stateChanged.connect(self._load_history) + self.ui.btnPastebin.clicked.connect(self._pastebin_this) + + self._paste_ok.connect(self._pastebin_ok) + self._paste_error.connect(self._pastebin_err) + + self._current_filter = "" + self._current_history = "" + + self._set_logs_to_display() + + LOG_CONTROLLER.new_log.connect(self._add_log_line) + self._load_history() + + def _add_log_line(self, log): + """ + Adds a line to the history, only if it's in the desired levels to show. + + :param log: a log record to be inserted in the widget + :type log: Logbook.LogRecord. + """ + html_style = { + logbook.DEBUG: "background: #CDFFFF;", + logbook.INFO: "background: white;", + logbook.WARNING: "background: #FFFF66;", + logbook.ERROR: "background: red; color: white;", + logbook.CRITICAL: "background: red; color: white; font: bold;" + } + level = log.level + message = cgi.escape(log.msg) + + if self._logs_to_display[level]: + open_tag = "<tr style='" + html_style[level] + "'>" + open_tag += "<td width='100%' style='padding: 5px;'>" + close_tag = "</td></tr>" + message = open_tag + message + close_tag + + filter_by = self._current_filter + msg = message + if self.ui.cbCaseInsensitive.isChecked(): + msg = msg.upper() + filter_by = filter_by.upper() + + if msg.find(filter_by) != -1: + self.ui.txtLogHistory.append(message) + + def _load_history(self): + """ + Load the previous logged messages in the widget. + They are stored in the custom handler. + """ + self._set_logs_to_display() + self.ui.txtLogHistory.clear() + current_history = [] + for record in LOG_CONTROLLER.get_logs(): + self._add_log_line(record) + current_history.append(record.msg) + + self._current_history = "\n".join(current_history) + + def _set_logs_to_display(self): + """ + Sets the logs_to_display dict getting the toggled options from the ui + """ + self._logs_to_display = { + logbook.DEBUG: self.ui.btnDebug.isChecked(), + logbook.INFO: self.ui.btnInfo.isChecked(), + logbook.WARNING: self.ui.btnWarning.isChecked(), + logbook.ERROR: self.ui.btnError.isChecked(), + logbook.CRITICAL: self.ui.btnCritical.isChecked() + } + + def _filter_by(self, text): + """ + Sets the text to use for filtering logs in the log window. + + :param text: the text to compare with the logs when filtering. + :type text: str + """ + self._current_filter = text + self._load_history() + + def _save_log_to_file(self): + """ + Lets the user save the current log to a file + """ + fileName, filtr = QtGui.QFileDialog.getSaveFileName( + self, self.tr("Save As"), + options=QtGui.QFileDialog.DontUseNativeDialog) + + if fileName: + try: + with open(fileName, 'w') as output: + history = self.ui.txtLogHistory.toPlainText() + # Chop some \n. + # html->plain adds several \n because the html is made + # using table cells. + history = history.replace('\n\n\n', '\n') + + output.write(history) + logger.debug('Log saved in %s' % (fileName, )) + except IOError, e: + logger.error("Error saving log file: %r" % (e, )) + else: + logger.debug('Log not saved!') + + def _set_pastebin_sending(self, sending): + """ + Define the status of the pastebin button. + Change the text and enable/disable according to the current action. + + :param sending: if we are sending to pastebin or not. + :type sending: bool + """ + if sending: + self.ui.btnPastebin.setText(self.tr("Sending to pastebin...")) + self.ui.btnPastebin.setEnabled(False) + else: + self.ui.btnPastebin.setText(self.tr("Send to Pastebin.com")) + self.ui.btnPastebin.setEnabled(True) + + def _pastebin_ok(self, link): + """ + Handle a successful paste. + + :param link: the recently created pastebin link. + :type link: str + """ + self._set_pastebin_sending(False) + msg = self.tr("Your pastebin link <a href='{0}'>{0}</a>") + msg = msg.format(link) + + # We save the dialog in an instance member to avoid dialog being + # deleted right after we exit this method + self._msgBox = msgBox = QtGui.QMessageBox( + QtGui.QMessageBox.Information, self.tr("Pastebin OK"), msg) + msgBox.setWindowModality(QtCore.Qt.NonModal) + msgBox.show() + + def _pastebin_err(self, failure): + """ + Handle a failure in paste. + + :param failure: the exception that made the paste fail. + :type failure: Exception + """ + self._set_pastebin_sending(False) + logger.error(repr(failure)) + + msg = self.tr("Sending logs to Pastebin failed!") + if isinstance(failure, pastebin.PostLimitError): + msg = self.tr('Maximum amount of submissions reached for today.') + + # We save the dialog in an instance member to avoid dialog being + # deleted right after we exit this method + self._msgBox = msgBox = QtGui.QMessageBox( + QtGui.QMessageBox.Critical, self.tr("Pastebin Error"), msg) + msgBox.setWindowModality(QtCore.Qt.NonModal) + msgBox.show() + + def _pastebin_this(self): + """ + Send the current log history to pastebin.com and gives the user a link + to see it. + """ + def do_pastebin(): + """ + Send content to pastebin and return the link. + """ + content = self._current_history + pb = pastebin.PastebinAPI() + try: + link = pb.paste(PASTEBIN_API_DEV_KEY, content, + paste_name="Bitmask log", + paste_expire_date='1M') + # convert to 'raw' link + link = "http://pastebin.com/raw.php?i=" + link.split('/')[-1] + + self._paste_ok.emit(link) + except Exception as e: + self._paste_error.emit(e) + + self._set_pastebin_sending(True) + + self._paste_thread = QtCore.QThread() + self._paste_thread.run = lambda: do_pastebin() + self._paste_thread.start() |