--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Helpviewer/SslInfoWidget.py Sun Nov 06 19:48:46 2011 +0100
@@ -0,0 +1,132 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 - 2011 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a widget to show SSL certificate infos.
+"""
+
+from PyQt4.QtCore import QCryptographicHash, QDateTime, Qt
+from PyQt4.QtGui import QWidget
+from PyQt4.QtNetwork import QSslCertificate
+
+from .Ui_SslInfoWidget import Ui_SslInfoWidget
+
+import Utilities
+
+
+class SslInfoWidget(QWidget, Ui_SslInfoWidget):
+ """
+ Class implementing a widget to show SSL certificate infos.
+ """
+ def __init__(self, parent=None):
+ """
+ Constructor
+
+ @param parent reference to the parent widget (QWidget)
+ """
+ super().__init__(parent)
+ self.setupUi(self)
+
+ def showCertificate(self, certificate):
+ """
+ Public method to show the SSL certificate information.
+
+ @param certificate reference to the SSL certificate (QSslCertificate)
+ """
+ self.blacklistedLabel.setVisible(False)
+ self.blacklistedLabel.setStyleSheet(
+ "QLabel { color : white; background-color : red; }")
+ self.expiredLabel.setVisible(False)
+ self.expiredLabel.setStyleSheet(
+ "QLabel { color : white; background-color : red; }")
+
+ self.subjectCommonNameLabel.setText(self.__certificateString(
+ certificate.subjectInfo(QSslCertificate.CommonName)))
+ self.subjectOrganizationLabel.setText(self.__certificateString(
+ certificate.subjectInfo(QSslCertificate.Organization)))
+ self.subjectOrganizationalUnitLabel.setText(self.__certificateString(
+ certificate.subjectInfo(QSslCertificate.OrganizationalUnitName)))
+ self.serialNumberLabel.setText(self.__serialNumber(certificate))
+ self.issuerCommonNameLabel.setText(self.__certificateString(
+ certificate.issuerInfo(QSslCertificate.CommonName)))
+ self.issuerOrganizationLabel.setText(self.__certificateString(
+ certificate.issuerInfo(QSslCertificate.Organization)))
+ self.issuerOrganizationalUnitLabel.setText(self.__certificateString(
+ certificate.issuerInfo(QSslCertificate.OrganizationalUnitName)))
+ self.effectiveLabel.setText(Qt.escape(
+ certificate.effectiveDate().toString("yyyy-MM-dd")))
+ self.expiresLabel.setText(Qt.escape(
+ certificate.expiryDate().toString("yyyy-MM-dd")))
+ self.sha1Label.setText(self.__formatHexString(
+ str(certificate.digest(QCryptographicHash.Sha1).toHex(), encoding="ascii")))
+ self.md5Label.setText(self.__formatHexString(
+ str(certificate.digest(QCryptographicHash.Md5).toHex(), encoding="ascii")))
+
+ if not certificate.isValid():
+ # something is wrong; indicate it to the user
+ if self.__hasExpired(certificate.effectiveDate(), certificate.expiryDate()):
+ self.expiredLabel.setVisible(True)
+ else:
+ self.blacklistedLabel.setVisible(True)
+
+ def __certificateString(self, txt):
+ """
+ Private method to prepare some text for display.
+
+ @param txt text to be displayed (string)
+ @return prepared text (string)
+ """
+ if txt is None or txt == "":
+ return self.trUtf8("<not part of the certificate>")
+
+ return Qt.escape(Utilities.decodeString(txt))
+
+ def __serialNumber(self, cert):
+ """
+ Private slot to format the certificate serial number.
+
+ @param cert reference to the SSL certificate (QSslCertificate)
+ @return formated serial number (string)
+ """
+ serial = cert.serialNumber()
+ if serial == "":
+ return self.trUtf8("<not part of the certificate>")
+
+ if ':' in serial:
+ return str(serial, encoding="ascii").upper()
+ else:
+ hexString = hex(int(serial))[2:]
+ return self.__formatHexString(hexString)
+
+ def __formatHexString(self, hexString):
+ """
+ Private method to format a hex string for display.
+
+ @param hexString hex string to be formatted (string)
+ @return formatted string (string)
+ """
+ hexString = hexString.upper()
+
+ if len(hexString) % 2 == 1:
+ hexString = '0' + hexString
+
+ hexList = []
+ while hexString:
+ hexList.append(hexString[:2])
+ hexString = hexString[2:]
+
+ return Qt.escape(':'.join(hexList))
+
+ def __hasExpired(self, effectiveDate, expiryDate):
+ """
+ Private method to check for a certificate expiration.
+
+ @param effectiveDate date the certificate becomes effective (QDateTime)
+ @param expiryDate date the certificate expires (QDateTime)
+ @return flag indicating the expiration status (boolean)
+ """
+ now = QDateTime.currentDateTime()
+
+ return now < effectiveDate or now >= expiryDate
