eric6/E5Network/E5SslInfoWidget.py

Wed, 27 Jan 2021 18:27:52 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 27 Jan 2021 18:27:52 +0100
branch
jsonfiles
changeset 8011
630a173cb137
parent 7945
76daafe10009
child 8043
0acf98cd089a
child 8143
2c730d5fd177
permissions
-rw-r--r--

Implemented the JSON based tasks files.

# -*- coding: utf-8 -*-

# Copyright (c) 2010 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a widget to show SSL information.
"""

from PyQt5.QtCore import Qt, QUrl, QPoint
from PyQt5.QtWidgets import QMenu, QGridLayout, QLabel, QSizePolicy
from PyQt5.QtNetwork import QSsl, QSslConfiguration, QSslCertificate

import UI.PixmapCache
import Utilities


class E5SslInfoWidget(QMenu):
    """
    Class implementing a widget to show SSL certificate infos.
    """
    def __init__(self, url, configuration, parent=None):
        """
        Constructor
        
        @param url URL to show SSL info for (QUrl)
        @param configuration SSL configuration (QSslConfiguration)
        @param parent reference to the parent widget (QWidget)
        """
        super(E5SslInfoWidget, self).__init__(parent)
        
        self.__url = QUrl(url)
        self.__configuration = QSslConfiguration(configuration)
        
        self.setMinimumWidth(400)
        
        certList = self.__configuration.peerCertificateChain()
        if certList:
            cert = certList[0]
        else:
            cert = QSslCertificate()
        
        layout = QGridLayout(self)
        rows = 0
        
        ##########################################
        ## Identity Information
        ##########################################
        imageLabel = QLabel(self)
        layout.addWidget(imageLabel, rows, 0, Qt.AlignCenter)
        
        label = QLabel(self)
        label.setWordWrap(True)
        label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
        label.setText(self.tr("Identity"))
        font = label.font()
        font.setBold(True)
        label.setFont(font)
        layout.addWidget(label, rows, 1)
        rows += 1
        
        label = QLabel(self)
        label.setWordWrap(True)
        if cert.isNull():
            label.setText(self.tr(
                "Warning: this site is NOT carrying a certificate."))
            imageLabel.setPixmap(UI.PixmapCache.getPixmap("securityLow32"))
        else:
            valid = not cert.isBlacklisted()
            if valid:
                txt = ", ".join(
                    cert.issuerInfo(QSslCertificate.CommonName))
                label.setText(self.tr(
                    "The certificate for this site is valid"
                    " and has been verified by:\n{0}").format(
                    Utilities.decodeString(txt)))
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityHigh32"))
            else:
                label.setText(self.tr(
                    "The certificate for this site is NOT valid."))
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityLow32"))
            layout.addWidget(label, rows, 1)
            rows += 1
            
            label = QLabel(self)
            label.setWordWrap(True)
            label.setText(
                '<a href="moresslinfos">' +
                self.tr("Certificate Information") + "</a>")
            label.linkActivated.connect(self.__showCertificateInfos)
            layout.addWidget(label, rows, 1)
            rows += 1
        
        ##########################################
        ## Identity Information
        ##########################################
        imageLabel = QLabel(self)
        layout.addWidget(imageLabel, rows, 0, Qt.AlignCenter)
        
        label = QLabel(self)
        label.setWordWrap(True)
        label.setText(self.tr("Encryption"))
        font = label.font()
        font.setBold(True)
        label.setFont(font)
        layout.addWidget(label, rows, 1)
        rows += 1
        
        cipher = self.__configuration.sessionCipher()
        if cipher.isNull():
            label = QLabel(self)
            label.setWordWrap(True)
            label.setText(self.tr(
                'Your connection to "{0}" is NOT encrypted.\n').format(
                self.__url.host()))
            layout.addWidget(label, rows, 1)
            imageLabel.setPixmap(UI.PixmapCache.getPixmap("securityLow32"))
            rows += 1
        else:
            label = QLabel(self)
            label.setWordWrap(True)
            label.setText(self.tr(
                'Your connection to "{0}" is encrypted.').format(
                self.__url.host()))
            layout.addWidget(label, rows, 1)
            
            proto = cipher.protocol()
            if proto == QSsl.SslV3:
                sslVersion = "SSL 3.0"
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityLow32"))
            elif proto == QSsl.TlsV1SslV3:
                sslVersion = "TLS 1.0/SSL 3.0"
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityLow32"))
            elif proto == QSsl.SslV2:
                sslVersion = "SSL 2.0"
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityLow32"))
            else:
                sslVersion = self.tr("unknown")
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityLow32"))
            if proto == QSsl.TlsV1_0:
                sslVersion = "TLS 1.0"
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityHigh32"))
            elif proto == QSsl.TlsV1_1:
                sslVersion = "TLS 1.1"
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityHigh32"))
            elif proto == QSsl.TlsV1_2:
                sslVersion = "TLS 1.2"
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityHigh32"))
            elif proto == QSsl.TlsV1_3:
                sslVersion = "TLS 1.3"
                imageLabel.setPixmap(
                    UI.PixmapCache.getPixmap("securityHigh32"))
            rows += 1
            
            label = QLabel(self)
            label.setWordWrap(True)
            label.setText(self.tr(
                "It uses protocol: {0}").format(sslVersion))
            layout.addWidget(label, rows, 1)
            rows += 1
            
            label = QLabel(self)
            label.setWordWrap(True)
            label.setText(self.tr(
                "It is encrypted using {0} at {1} bits, "
                "with {2} for message authentication and "
                "{3} as key exchange mechanism.\n\n").format(
                cipher.encryptionMethod(),
                cipher.usedBits(),
                cipher.authenticationMethod(),
                cipher.keyExchangeMethod()))
            layout.addWidget(label, rows, 1)
            rows += 1
    
    def showAt(self, pos):
        """
        Public method to show the widget.
        
        @param pos position to show at (QPoint)
        """
        self.adjustSize()
        xpos = pos.x() - self.width()
        if xpos < 0:
            xpos = 10
        p = QPoint(xpos, pos.y() + 10)
        self.move(p)
        self.show()
    
    def __showCertificateInfos(self):
        """
        Private slot to show certificate information.
        """
        from .E5SslCertificatesInfoDialog import E5SslCertificatesInfoDialog
        dlg = E5SslCertificatesInfoDialog(
            self.__configuration.peerCertificateChain())
        dlg.exec()
    
    def accept(self):
        """
        Public method to accept the widget.
        """
        self.close()

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