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path: root/src/leap/gui/firstrun/register.py
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"""
Register User Page, used in First Run Wizard
"""
import logging


from PyQt4 import QtCore
from PyQt4 import QtGui

from leap.gui.firstrun.mixins import UserFormMixIn

logger = logging.getLogger(__name__)

from leap.gui.constants import APP_LOGO, BARE_USERNAME_REGEX
from leap.gui.styles import ErrorLabelStyleSheet


class RegisterUserPage(QtGui.QWizardPage, UserFormMixIn):

    def __init__(self, parent=None):

        super(RegisterUserPage, self).__init__(parent)

        self.setTitle("Sign Up")

        self.setPixmap(
            QtGui.QWizard.LogoPixmap,
            QtGui.QPixmap(APP_LOGO))

        self.current_page = "signup"

        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(BARE_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)

        userPassword2Label = QtGui.QLabel("Password (again):")
        self.userPassword2LineEdit = QtGui.QLineEdit()
        self.userPassword2LineEdit.setEchoMode(
            QtGui.QLineEdit.Password)
        userPassword2Label.setBuddy(self.userPassword2LineEdit)

        rememberPasswordCheckBox = QtGui.QCheckBox(
            "&Remember username and password.")
        rememberPasswordCheckBox.setChecked(True)

        self.registerField('userName*', self.userNameLineEdit)
        self.registerField('userPassword*', self.userPasswordLineEdit)

        # XXX missing password confirmation
        # XXX validator!

        self.registerField('rememberPassword', rememberPasswordCheckBox)

        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(userPassword2Label, 3, 0)
        layout.addWidget(self.userPasswordLineEdit, 2, 3)
        layout.addWidget(self.userPassword2LineEdit, 3, 3)
        layout.addWidget(rememberPasswordCheckBox, 4, 3, 4, 4)
        self.setLayout(layout)

    # pagewizard methods

    def populateErrors(self):
        # XXX could move this to ValidationMixin
        # used in providerselect too

        errors = self.wizard().get_validation_error(
            self.current_page)
        if errors:
            bad_str = getattr(self, 'bad_string', None)
            cur_str = self.userNameLineEdit.text()
            showerr = self.validationMsg.setText
            if bad_str is None:
                # first time we fall here.
                # save the current bad_string value
                self.bad_string = cur_str
                showerr(errors)
            else:
                # not the first time
                if cur_str == bad_str:
                    showerr(errors)
                else:
                    showerr('')

    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(RegisterUserPage, self).paintEvent(event)
        self.populateErrors()

    def validatePage(self):
        """
        we only pre-validate here password weakness
        stuff, or any other client side validation
        that we think of.
        real server validation is made on next page,
        and if any errors are thrown there we come back
        and re-display the validation label.
        """

        #username = self.userNameLineEdit.text()
        password = self.userPasswordLineEdit.text()
        password2 = self.userPassword2LineEdit.text()

        # we better have here
        # some call to a password checker...
        # to assess strenght and avoid silly stuff.

        if password != password2:
            self.set_validation_status('Password does not match.')
            return False

        if len(password) < 6:
            self.set_validation_status('Password too short.')
            return False

        if password == "123456":
            # joking
            self.set_validation_status('Password too obvious.')
            return False

        return True

    def initializePage(self):
        """
        inits wizard page
        """
        provider = self.field('provider_domain')
        self.setSubTitle(
            "Register a new user with provider %s." %
            provider)
        self.validationMsg.setText('')
        self.userPassword2LineEdit.setText('')

    def nextId(self):
        wizard = self.wizard()
        if not wizard:
            return
        return wizard.get_page_index('signupvalidation')