Synnefo

# Copyright 2011-2012 GRNET S.A. All rights reserved.

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

logger = logging.getLogger(__name__)

class UTC(tzinfo):

    def utcoffset(self, dt):

        return timedelta(0)

    def tzname(self, dt):

        return 'UTC'

    def dst(self, dt):

        return timedelta(0)

def isoformat(d):

    """Return an ISO8601 date string that includes a timezone."""

    return d.replace(tzinfo=UTC()).isoformat()

def epoch(datetime):

def get_context(request, extra_context=None, **kwargs):

    extra_context = extra_context or {}

    extra_context.update(kwargs)

    return RequestContext(request, extra_context)

def get_invitation(request):

    """

    Returns the invitation identified by the ``code``.

    Raises ValueError if the invitation is consumed or there is another account

    associated with this email.

    """

        code = request.POST.get('code')

    if not code:

        return

    if invitation.is_consumed:

        raise ValueError(_('Invitation is used'))

    if reserved_email(invitation.username):

        raise ValueError(_('Email: %s is reserved' % invitation.username))

    return invitation

def prepare_response(request, user, next='', renew=False):

    """Return the unique username and the token

       as 'X-Auth-User' and 'X-Auth-Token' headers,

       or redirect to the URL provided in 'next'

       with the 'user' and 'token' as parameters.

       Reissue the token even if it has not yet

       expired, if the 'renew' parameter is present

       or user has not a valid token.

        try:

            user.save()

        except ValidationError, e:

    if FORCE_PROFILE_UPDATE and not user.is_verified and not user.is_superuser:

        params = ''

        if next:

            params = '?' + urlencode({'next': next})

        next = reverse('edit_profile') + params

    response = HttpResponse()

    # authenticate before login

    user = authenticate(email=user.email, auth_token=user.auth_token)

    login(request, user)

    set_cookie(response, user)

    request.session.set_expiry(user.auth_token_expires)

    if not next:

        next = reverse('index')

    response['Location'] = next

    response.status_code = 302

    return response

def set_cookie(response, user):

    expire_fmt = user.auth_token_expires.strftime('%a, %d-%b-%Y %H:%M:%S %Z')

    cookie_value = quote(user.email + '|' + user.auth_token)

    response.set_cookie(COOKIE_NAME, value=cookie_value,

    msg = 'Cookie [expiring %s] set for %s' % (

        user.auth_token_expires,

        user.email

    )

    logger.log(LOGGING_LEVEL, msg)

class lazy_string(object):

    def __init__(self, function, *args, **kwargs):

    def __str__(self):

        if not hasattr(self, 'str'):

        return self.str

def reverse_lazy(*args, **kwargs):

    return lazy_string(reverse, *args, **kwargs)

def reserved_email(email):

def get_query(request):

    try:

        return request.__getattribute__(request.method)

    except AttributeError: