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"""
LogIn Page, used inf First Run Wizard
"""
from PyQt4 import QtCore
from PyQt4 import QtGui
#import requests
from leap.base import auth
from leap.gui.firstrun.mixins import UserFormMixIn
from leap.gui.constants import APP_LOGO, FULL_USERNAME_REGEX
from leap.gui.styles import ErrorLabelStyleSheet
class LogInPage(QtGui.QWizardPage, UserFormMixIn): # InlineValidationPage
def __init__(self, parent=None):
super(LogInPage, self).__init__(parent)
self.setTitle("Log In")
self.setSubTitle("Log in with your credentials.")
self.current_page = "login"
self.setPixmap(
QtGui.QWizard.LogoPixmap,
QtGui.QPixmap(APP_LOGO))
self.setupUI()
def setupUI(self):
userNameLabel = QtGui.QLabel("User &name:")
userNameLineEdit = QtGui.QLineEdit()
userNameLineEdit.cursorPositionChanged.connect(
self.reset_validation_status)
userNameLabel.setBuddy(userNameLineEdit)
# let's add regex validator
usernameRe = QtCore.QRegExp(FULL_USERNAME_REGEX)
userNameLineEdit.setValidator(
QtGui.QRegExpValidator(usernameRe, self))
self.userNameLineEdit = userNameLineEdit
userPasswordLabel = QtGui.QLabel("&Password:")
self.userPasswordLineEdit = QtGui.QLineEdit()
self.userPasswordLineEdit.setEchoMode(
QtGui.QLineEdit.Password)
userPasswordLabel.setBuddy(self.userPasswordLineEdit)
self.registerField('login_userName*', self.userNameLineEdit)
self.registerField('login_userPassword*', self.userPasswordLineEdit)
layout = QtGui.QGridLayout()
layout.setColumnMinimumWidth(0, 20)
validationMsg = QtGui.QLabel("")
validationMsg.setStyleSheet(ErrorLabelStyleSheet)
self.validationMsg = validationMsg
layout.addWidget(validationMsg, 0, 3)
layout.addWidget(userNameLabel, 1, 0)
layout.addWidget(self.userNameLineEdit, 1, 3)
layout.addWidget(userPasswordLabel, 2, 0)
layout.addWidget(self.userPasswordLineEdit, 2, 3)
self.setLayout(layout)
#self.registerField('is_login_wizard')
def onUserNameEdit(self, *args):
if self.initial_username_sample:
self.userNameLineEdit.setText('')
self.initial_username_sample = None
# pagewizard methods
#### begin possible refactor
def populateErrors(self):
# XXX could move this to ValidationMixin
# used in providerselect and register too
errors = self.wizard().get_validation_error(
self.current_page)
prev_er = getattr(self, 'prevalidation_error', None)
showerr = self.validationMsg.setText
if not errors and prev_er:
showerr(prev_er)
return
if errors:
bad_str = getattr(self, 'bad_string', None)
cur_str = self.userNameLineEdit.text()
if bad_str is None:
# first time we fall here.
# save the current bad_string value
self.bad_string = cur_str
showerr(errors)
else:
if prev_er:
showerr(prev_er)
return
# not the first time
if cur_str == bad_str:
showerr(errors)
else:
showerr('')
def cleanup_errormsg(self):
"""
we reset bad_string to None
should be called before leaving the page
"""
self.bad_string = None
def paintEvent(self, event):
"""
we hook our populate errors
on paintEvent because we need it to catch
when user enters the page coming from next,
and initializePage does not cover that case.
Maybe there's a better event to hook upon.
"""
super(LogInPage, self).paintEvent(event)
self.populateErrors()
def set_prevalidation_error(self, error):
self.prevalidation_error = error
#### end possible refactor
def nextId(self):
wizard = self.wizard()
if not wizard:
return
if wizard.is_provider_setup is False:
next_ = 'providersetupvalidation'
if wizard.is_provider_setup is True:
# XXX bad name, ok, gonna change that
next_ = 'signupvalidation'
return wizard.get_page_index(next_)
def initializePage(self):
super(LogInPage, self).initializePage()
# XXX setPlaceholderText instead?!
self.userNameLineEdit.setText('username@provider.example.org')
self.userNameLineEdit.cursorPositionChanged.connect(
self.onUserNameEdit)
self.initial_username_sample = True
def validatePage(self):
#wizard = self.wizard()
#eipconfigchecker = wizard.eipconfigchecker()
# XXX should move to _do_checks
full_username = self.userNameLineEdit.text()
password = self.userPasswordLineEdit.text()
if full_username.count('@') != 1:
self.set_prevalidation_error(
"Username must be in the username@provider form.")
return False
username, domain = full_username.split('@')
self.setField('provider_domain', domain)
self.setField('login_userName', username)
self.setField('login_userPassword', password)
####################################################
# Validation logic:
# move to provider setup page
####################################################
# Able to contact domain?
# can get definition?
# two-by-one
#try:
#eipconfigchecker.fetch_definition(domain=domain)
#
# we're using requests here for all
# the possible error cases that it catches.
#except requests.exceptions.ConnectionError as exc:
#self.set_validation_status(exc.message[1])
#return False
#except requests.exceptions.HTTPError as exc:
#self.set_validation_status(exc.message)
#return False
#wizard.set_providerconfig(
#eipconfigchecker.defaultprovider.config)
####################################################
# XXX I think this is not needed
# since we're also checking for the is_signup field.
self.wizard().from_login = True
# some cleanup before we leave the page
self.cleanup_errormsg()
return True
def _do_checks(self):
# XXX convert this to inline
full_username = self.userNameLineEdit.text()
password = self.userPasswordLineEdit.text()
username, domain = full_username.split('@')
# We try a call to an authenticated
# page here as a mean to catch
# srp authentication errors while
wizard = self.wizard()
pCertChecker = wizard.providercertchecker(
domain=domain)
curpage = "login"
def fail():
self.is_done = False
return False
########################
# 1) try name resolution
########################
# XXX
# bring here from validation above...
########################
# 2) do authentication
########################
unamek = 'login_userName'
passwk = 'login_userPassword'
username = self.field(unamek)
password = self.field(passwk)
credentials = username, password
def validate_credentials():
#################
# FIXME #BUG #638
verify = False
try:
pCertChecker.download_new_client_cert(
credentials=credentials,
verify=verify)
except auth.SRPAuthenticationError as exc:
wizard.set_validation_error(
curpage, "Authentication error: %s" % exc.usermessage)
return fail()
except Exception as exc:
wizard.set_validation_error(
curpage, "%s" % exc.message)
return fail()
yield(('Validating credentials', 20), lambda: None)
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