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"""
Select Provider Page, used in First Run Wizard
"""
from PyQt4 import QtCore
from PyQt4 import QtGui
from leap.base import exceptions as baseexceptions
from leap.crypto import certs
from leap.eip import exceptions as eipexceptions
from leap.gui.constants import APP_LOGO
from leap.gui.styles import ErrorLabelStyleSheet
class SelectProviderPage(QtGui.QWizardPage):
def __init__(self, parent=None, providers=None):
super(SelectProviderPage, self).__init__(parent)
self.setTitle("Enter Provider")
self.setSubTitle(
"Please enter the domain of the provider you want "
"to use for your connection."
)
self.setPixmap(
QtGui.QWizard.LogoPixmap,
QtGui.QPixmap(APP_LOGO))
self.did_cert_check = False
providerNameLabel = QtGui.QLabel("h&ttps://")
# note that we expect the bare domain name
# we will add the scheme later
providerNameEdit = QtGui.QLineEdit()
providerNameEdit.cursorPositionChanged.connect(
self.reset_validation_status)
providerNameLabel.setBuddy(providerNameEdit)
# add regex validator
providerDomainRe = QtCore.QRegExp(r"^[a-z\d_-.]+$")
providerNameEdit.setValidator(
QtGui.QRegExpValidator(providerDomainRe, self))
self.providerNameEdit = providerNameEdit
# Eventually we will seed a list of
# well known providers here.
#providercombo = QtGui.QComboBox()
#if providers:
#for provider in providers:
#providercombo.addItem(provider)
#providerNameSelect = providercombo
self.registerField('provider_domain*', self.providerNameEdit)
#self.registerField('provider_name_index', providerNameSelect)
validationMsg = QtGui.QLabel("")
validationMsg.setStyleSheet(ErrorLabelStyleSheet)
self.validationMsg = validationMsg
# cert info
# this is used in the callback
# for the checkbox changes.
# tricky, since the first time came
# from the exception message.
# should get string from exception too!
self.bad_cert_status = "Server certificate could not be verified."
self.certInfo = QtGui.QLabel("")
self.certInfo.setWordWrap(True)
self.certWarning = QtGui.QLabel("")
self.trustProviderCertCheckBox = QtGui.QCheckBox(
"&Trust this provider certificate.")
self.trustProviderCertCheckBox.stateChanged.connect(
self.onTrustCheckChanged)
layout = QtGui.QGridLayout()
layout.addWidget(validationMsg, 0, 2)
layout.addWidget(providerNameLabel, 1, 1)
layout.addWidget(providerNameEdit, 1, 2)
# XXX get a groupbox or something....
certinfoGroup = QtGui.QGroupBox("Certificate validation")
certinfoLayout = QtGui.QVBoxLayout()
certinfoLayout.addWidget(self.certInfo)
certinfoLayout.addWidget(self.certWarning)
certinfoLayout.addWidget(self.trustProviderCertCheckBox)
certinfoGroup.setLayout(certinfoLayout)
layout.addWidget(certinfoGroup, 4, 1, 4, 2)
self.certinfoGroup = certinfoGroup
self.certinfoGroup.hide()
self.setLayout(layout)
def is_insecure_cert_trusted(self):
return self.trustProviderCertCheckBox.isChecked()
def onTrustCheckChanged(self, state):
checked = False
if state == 2:
checked = True
if checked:
self.reset_validation_status()
else:
self.set_validation_status(self.bad_cert_status)
# trigger signal to redraw next button
self.completeChanged.emit()
def reset_validation_status(self):
"""
empty the validation msg
"""
self.validationMsg.setText('')
def set_validation_status(self, status):
self.validationMsg.setText(status)
def add_cert_info(self, certinfo):
self.certWarning.setText(
"Do you want to <b>trust this provider certificate?</b>")
self.certInfo.setText(
'SHA-256 fingerprint: <i>%s</i><br>' % certinfo)
self.certInfo.setWordWrap(True)
self.certinfoGroup.show()
# pagewizard methods
def isComplete(self):
if not self.did_cert_check:
return True
if self.is_insecure_cert_trusted():
return True
return False
def initializePage(self):
self.certinfoGroup.hide()
def validatePage(self):
##################################
# XXX FIXME!
##################################
##################################
##################################
##################################
##### validation skipped !!! #####
##################################
##################################
return True
##################################
##################################
##################################
# XXX move to ProviderInfo...
wizard = self.wizard()
netchecker = wizard.netchecker()
providercertchecker = wizard.providercertchecker()
eipconfigchecker = wizard.eipconfigchecker()
domain = self.providerNameEdit.text()
# try name resolution
try:
netchecker.check_name_resolution(
domain)
except baseexceptions.LeapException as exc:
self.set_validation_status(exc.usermessage)
return False
# try https connection
try:
providercertchecker.is_https_working(
"https://%s" % domain,
verify=True)
except eipexceptions.HttpsBadCertError as exc:
if self.trustProviderCertCheckBox.isChecked():
pass
else:
self.set_validation_status(exc.usermessage)
fingerprint = certs.get_cert_fingerprint(
domain=domain, sep=" ")
# it's ok if we've trusted this fgprt before
trustedcrts = self.wizard().trusted_certs
if trustedcrts and fingerprint.replace(' ', '') in trustedcrts:
pass
else:
# let your user face panick :P
self.add_cert_info(fingerprint)
self.did_cert_check = True
self.completeChanged.emit()
return False
except baseexceptions.LeapException as exc:
self.set_validation_status(exc.usermessage)
return False
# try download provider info...
eipconfigchecker.fetch_definition(domain=domain)
wizard.set_providerconfig(
eipconfigchecker.defaultprovider.config)
# all ok, go on...
return True
def nextId(self):
wizard = self.wizard()
if not wizard:
return
return wizard.get_page_index('providerinfo')
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