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path: root/src/leap/gui/firstrun/providersetup.py
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"""
Provider Setup Validation Page,
used if First Run Wizard
"""
import logging

from PyQt4 import QtGui

from leap.base import auth
from leap.gui.progress import ValidationPage

from leap.gui.constants import APP_LOGO, pause_for_user

logger = logging.getLogger(__name__)


class ProviderSetupValidationPage(ValidationPage):
    def __init__(self, parent=None):
        super(ProviderSetupValidationPage, self).__init__(parent)
        is_signup = self.field("is_signup")
        self.is_signup = is_signup

        self.setTitle("Provider setup")
        self.setSubTitle(
            "Doing autoconfig.")

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

    def _do_checks(self, update_signal=None):
        """
        executes actual checks in a separate thread
        """
        full_domain = self.field('provider_domain')
        wizard = self.wizard()
        pconfig = wizard.providerconfig

        #pCertChecker = wizard.providercertchecker
        #certchecker = pCertChecker(domain=full_domain)
        pCertChecker = wizard.providercertchecker(
            domain=full_domain)

        update_signal.emit('head_sentinel', 0)

        ######################################
        if not self.is_signup:
            # We come from login page.
            # We try a call to an authenticated
            # page here as a mean to catch
            # srp authentication errors while
            # we are still at one page's reach
            # of the login credentials input page.
            # (so we're able to go back an correct)

            step = "fetch_eipcert"
            update_signal.emit('Validating credentials', 20)

            unamek = 'login_userName'
            passwk = 'login_userPassword'

            username = self.field(unamek)
            password = self.field(passwk)
            credentials = username, password

            #################
            # FIXME #BUG #638
            verify = False

            try:
                pCertChecker.download_new_client_cert(
                    credentials=credentials,
                    verify=verify)

            except auth.SRPAuthenticationError as exc:
                self.set_error(
                    step,
                    "Authentication error: %s" % exc.message)
                return False

            #pause_for_user()

        #######################################

        update_signal.emit('Fetching CA certificate', 30)
        #pause_for_user()

        if pconfig:
            ca_cert_uri = pconfig.get('ca_cert_uri').geturl()
        else:
            ca_cert_uri = None

        # XXX check scheme == "https"
        # XXX passing verify == False because
        # we have trusted right before.
        # We should check it's the same domain!!!
        # (Check with the trusted fingerprints dict
        # or something smart)

        pCertChecker.download_ca_cert(
            uri=ca_cert_uri,
            verify=False)
        #pause_for_user()

        update_signal.emit('Checking CA fingerprint', 66)
        #ca_cert_fingerprint = pconfig.get('ca_cert_fingerprint', None)

        # XXX get fingerprint dict (types)
        #sha256_fpr = ca_cert_fingerprint.split('=')[1]

        #validate_fpr = pCertChecker.check_ca_cert_fingerprint(
            #fingerprint=sha256_fpr)
        #if not validate_fpr:
            # XXX update validationMsg
            # should catch exception
            #return False

        update_signal.emit('Validating api certificate', 90)

        #api_uri = pconfig.get('api_uri', None)
        #try:
            #api_cert_verified = pCertChecker.verify_api_https(api_uri)
        #except requests.exceptions.SSLError as exc:
            #logger.error('BUG #638. %s' % exc.message)
            # XXX RAISE! See #638
            # bypassing until the hostname is fixed.
            # We probably should raise yet-another-warning
            # here saying user that the hostname "XX.XX.XX.XX' does not
            # match 'foo.bar.baz'
            #api_cert_verified = True

        #if not api_cert_verified:
            # XXX update validationMsg
            # should catch exception
            #return False

        #pause_for_user()
        #ca_cert_path = checker.ca_cert_path

        self.set_done()
        update_signal.emit('end_sentinel', 100)
        #pause_for_user()

    def _do_validation(self):
        """
        called after _do_checks has finished
        (connected to checker thread finished signal)
        """
        prevpage = "providerselection" if self.is_signup else "login"
        wizard = self.wizard()

        if self.errors:
            logger.debug('going back with errors')
            name, first_error = self.pop_first_error()
            wizard.set_validation_error(
                prevpage,
                first_error)
            # XXX don't go back, signal error
            #self.go_back()
        else:
            logger.debug('should be going next, wait on user')
            #self.go_next()

    def nextId(self):
        wizard = self.wizard()
        if not wizard:
            return
        is_signup = self.field('is_signup')
        if is_signup is True:
            next_ = 'signup'
        if is_signup is False:
            # XXX bad name. change to connect again.
            next_ = 'signupvalidation'
        return wizard.get_page_index(next_)

    def initializePage(self):
        super(ProviderSetupValidationPage, self).initializePage()
        self.set_undone()
        self.completeChanged.emit()