# or implied, of GRNET S.A.
import logging
+import socket
from django.utils.translation import ugettext as _
from django.template.loader import render_to_string
from django.core.mail import send_mail
from django.core.urlresolvers import reverse
+from django.core.exceptions import ValidationError
+from django.template import Context, loader
+from django.contrib.auth import login as auth_login, logout as auth_logout
+from django.http import HttpRequest
+
+from urllib import quote
from urlparse import urljoin
-from random import randint
+from smtplib import SMTPException
+from datetime import datetime
+from functools import wraps
-from astakos.im.settings import DEFAULT_CONTACT_EMAIL, DEFAULT_FROM_EMAIL, SITENAME, BASEURL
-from astakos.im.models import Invitation
+from astakos.im.settings import DEFAULT_CONTACT_EMAIL, DEFAULT_FROM_EMAIL, \
+ SITENAME, BASEURL, DEFAULT_ADMIN_EMAIL, LOGGING_LEVEL, \
+ VERIFICATION_EMAIL_SUBJECT, ADMIN_NOTIFICATION_EMAIL_SUBJECT, \
+ HELPDESK_NOTIFICATION_EMAIL_SUBJECT, INVITATION_EMAIL_SUBJECT, \
+ GREETING_EMAIL_SUBJECT, FEEDBACK_EMAIL_SUBJECT, EMAIL_CHANGE_EMAIL_SUBJECT
+from astakos.im.models import Invitation, AstakosUser
logger = logging.getLogger(__name__)
-def activate(user, email_template_name='welcome_email.txt'):
+def logged(func, msg):
+ @wraps(func)
+ def with_logging(*args, **kwargs):
+ email = ''
+ user = None
+ if len(args) == 2 and isinstance(args[1], AstakosUser):
+ user = args[1]
+ elif len(args) == 1 and isinstance(args[0], HttpRequest):
+ request = args[0]
+ user = request.user
+ email = user.email if user and user.is_authenticated() else ''
+ r = func(*args, **kwargs)
+ if LOGGING_LEVEL:
+ logger._log(LOGGING_LEVEL, msg % email, [])
+ return r
+ return with_logging
+
+login = logged(auth_login, '%s logged in.')
+logout = logged(auth_logout, '%s logged out.')
+
+def send_verification(user, template_name='im/activation_email.txt'):
"""
- Activates the specific user and sends email.
+ Send email to user to verify his/her email and activate his/her account.
- Raises SMTPException, socket.error
+ Raises SendVerificationError
"""
- user.is_active = True
+ url = '%s?auth=%s&next=%s' % (urljoin(BASEURL, reverse('astakos.im.views.activate')),
+ quote(user.auth_token),
+ quote(urljoin(BASEURL, reverse('astakos.im.views.index'))))
+ message = render_to_string(template_name, {
+ 'user': user,
+ 'url': url,
+ 'baseurl': BASEURL,
+ 'site_name': SITENAME,
+ 'support': DEFAULT_CONTACT_EMAIL})
+ sender = DEFAULT_FROM_EMAIL
+ try:
+ send_mail(_(VERIFICATION_EMAIL_SUBJECT), message, sender, [user.email])
+ except (SMTPException, socket.error) as e:
+ logger.exception(e)
+ raise SendVerificationError()
+ else:
+ msg = 'Sent activation %s' % user.email
+ logger._log(LOGGING_LEVEL, msg, [])
+
+def send_activation(user, template_name='im/activation_email.txt'):
+ send_verification(user, template_name)
+ user.activation_sent = datetime.now()
user.save()
- subject = _('Welcome to %s' % SITENAME)
- message = render_to_string(email_template_name, {
- 'user': user,
- 'url': urljoin(BASEURL, reverse('astakos.im.views')),
+
+def send_admin_notification(user, template_name='im/admin_notification.txt'):
+ """
+ Send email to DEFAULT_ADMIN_EMAIL to notify for a new user registration.
+
+ Raises SendNotificationError
+ """
+ if not DEFAULT_ADMIN_EMAIL:
+ return
+ message = render_to_string(template_name, {
+ 'user': user,
+ 'baseurl': BASEURL,
+ 'site_name': SITENAME,
+ 'support': DEFAULT_CONTACT_EMAIL})
+ sender = DEFAULT_FROM_EMAIL
+ try:
+ send_mail(_(ADMIN_NOTIFICATION_EMAIL_SUBJECT), message, sender, [DEFAULT_ADMIN_EMAIL])
+ except (SMTPException, socket.error) as e:
+ logger.exception(e)
+ raise SendNotificationError()
+ else:
+ msg = 'Sent admin notification for user %s' % user.email
+ logger._log(LOGGING_LEVEL, msg, [])
+
+def send_helpdesk_notification(user, template_name='im/helpdesk_notification.txt'):
+ """
+ Send email to DEFAULT_CONTACT_EMAIL to notify for a new user activation.
+
+ Raises SendNotificationError
+ """
+ if not DEFAULT_CONTACT_EMAIL:
+ return
+ message = render_to_string(template_name, {
+ 'user': user,
+ 'baseurl': BASEURL,
+ 'site_name': SITENAME,
+ 'support': DEFAULT_ADMIN_EMAIL})
+ sender = DEFAULT_FROM_EMAIL
+ try:
+ send_mail(_(HELPDESK_NOTIFICATION_EMAIL_SUBJECT), message, sender, [DEFAULT_CONTACT_EMAIL])
+ except (SMTPException, socket.error) as e:
+ logger.exception(e)
+ raise SendNotificationError()
+ else:
+ msg = 'Sent helpdesk admin notification for user %s' % user.email
+ logger._log(LOGGING_LEVEL, msg, [])
+
+def send_invitation(invitation, template_name='im/invitation.txt'):
+ """
+ Send invitation email.
+
+ Raises SendInvitationError
+ """
+ subject = _(INVITATION_EMAIL_SUBJECT)
+ url = '%s?code=%d' % (urljoin(BASEURL, reverse('astakos.im.views.index')), invitation.code)
+ message = render_to_string('im/invitation.txt', {
+ 'invitation': invitation,
+ 'url': url,
'baseurl': BASEURL,
'site_name': SITENAME,
'support': DEFAULT_CONTACT_EMAIL})
sender = DEFAULT_FROM_EMAIL
- send_mail(subject, message, sender, [user.email])
- logger.info('Sent greeting %s', user)
-
-def _generate_invitation_code():
- while True:
- code = randint(1, 2L**63 - 1)
- try:
- Invitation.objects.get(code=code)
- # An invitation with this code already exists, try again
- except Invitation.DoesNotExist:
- return code
-
-def invite(inviter, username, realname):
+ try:
+ send_mail(subject, message, sender, [invitation.username])
+ except (SMTPException, socket.error) as e:
+ logger.exception(e)
+ raise SendInvitationError()
+ else:
+ msg = 'Sent invitation %s' % invitation
+ logger._log(LOGGING_LEVEL, msg, [])
+
+def send_greeting(user, email_template_name='im/welcome_email.txt'):
"""
- Send an invitation email and upon success reduces inviter's invitation by one.
+ Send welcome email.
Raises SMTPException, socket.error
"""
- code = _generate_invitation_code()
- invitation = Invitation(inviter=inviter,
- username=username,
- code=code,
- realname=realname)
- invitation.save()
- subject = _('Invitation to %s' % SITENAME)
- url = '%s?code=%d' % (urljoin(BASEURL, reverse('astakos.im.views.signup')), code)
- message = render_to_string('im/invitation.txt', {
- 'invitation': invitation,
- 'url': url,
+ subject = _(GREETING_EMAIL_SUBJECT)
+ message = render_to_string(email_template_name, {
+ 'user': user,
+ 'url': urljoin(BASEURL, reverse('astakos.im.views.index')),
'baseurl': BASEURL,
- 'service': SITENAME,
+ 'site_name': SITENAME,
'support': DEFAULT_CONTACT_EMAIL})
sender = DEFAULT_FROM_EMAIL
- send_mail(subject, message, sender, [invitation.username])
- logger.info('Sent invitation %s', invitation)
+ try:
+ send_mail(subject, message, sender, [user.email])
+ except (SMTPException, socket.error) as e:
+ logger.exception(e)
+ raise SendGreetingError()
+ else:
+ msg = 'Sent greeting %s' % user.email
+ logger._log(LOGGING_LEVEL, msg, [])
+
+def send_feedback(msg, data, user, email_template_name='im/feedback_mail.txt'):
+ subject = _(FEEDBACK_EMAIL_SUBJECT)
+ from_email = user.email
+ recipient_list = [DEFAULT_CONTACT_EMAIL]
+ content = render_to_string(email_template_name, {
+ 'message': msg,
+ 'data': data,
+ 'user': user})
+ try:
+ send_mail(subject, content, from_email, recipient_list)
+ except (SMTPException, socket.error) as e:
+ logger.exception(e)
+ raise SendFeedbackError()
+ else:
+ msg = 'Sent feedback from %s' % user.email
+ logger._log(LOGGING_LEVEL, msg, [])
+
+def send_change_email(ec, request, email_template_name='registration/email_change_email.txt'):
+ try:
+ url = reverse('email_change_confirm',
+ kwargs={'activation_key':ec.activation_key})
+ url = request.build_absolute_uri(url)
+ t = loader.get_template(email_template_name)
+ c = {'url': url, 'site_name': SITENAME}
+ from_email = DEFAULT_FROM_EMAIL
+ send_mail(_(EMAIL_CHANGE_EMAIL_SUBJECT),
+ t.render(Context(c)), from_email, [ec.new_email_address])
+ except (SMTPException, socket.error) as e:
+ logger.exception(e)
+ raise ChangeEmailError()
+ else:
+ msg = 'Sent change email for %s' % ec.user.email
+ logger._log(LOGGING_LEVEL, msg, [])
+
+def activate(user, email_template_name='im/welcome_email.txt',
+ helpdesk_email_template_name='im/helpdesk_notification.txt', verify_email=False):
+ """
+ Activates the specific user and sends email.
+
+ Raises SendGreetingError, ValidationError
+ """
+ user.is_active = True
+ if verify_email:
+ user.email_verified = True
+ user.save()
+ send_helpdesk_notification(user, helpdesk_email_template_name)
+ send_greeting(user, email_template_name)
+
+def switch_account_to_shibboleth(user, local_user, greeting_template_name='im/welcome_email.txt'):
+ if not user or not isinstance(user, AstakosUser):
+ return
+
+ if not local_user or not isinstance(user, AstakosUser):
+ return
+
+ if not user.provider == 'shibboleth':
+ return
+
+ user.delete()
+ local_user.provider = 'shibboleth'
+ local_user.third_party_identifier = user.third_party_identifier
+ local_user.save()
+ send_greeting(local_user, greeting_template_name)
+ return local_user
+
+def invite(invitation, inviter, email_template_name='im/welcome_email.txt'):
+ """
+ Send an invitation email and upon success reduces inviter's invitation by one.
+
+ Raises SendInvitationError
+ """
+ invitation.inviter = inviter
+ invitation.save()
+ send_invitation(invitation, email_template_name)
inviter.invitations = max(0, inviter.invitations - 1)
inviter.save()
+
+def set_user_credibility(email, has_credits):
+ try:
+ user = AstakosUser.objects.get(email=email, is_active=True)
+ user.has_credits = has_credits
+ user.save()
+ except AstakosUser.DoesNotExist, e:
+ logger.exception(e)
+ except ValidationError, e:
+ logger.exception(e)
+
+class SendMailError(Exception):
+ pass
+
+class SendAdminNotificationError(SendMailError):
+ def __init__(self):
+ self.message = _('Failed to send notification')
+ super(SendAdminNotificationError, self).__init__()
+
+class SendVerificationError(SendMailError):
+ def __init__(self):
+ self.message = _('Failed to send verification')
+ super(SendVerificationError, self).__init__()
+
+class SendInvitationError(SendMailError):
+ def __init__(self):
+ self.message = _('Failed to send invitation')
+ super(SendInvitationError, self).__init__()
+
+class SendGreetingError(SendMailError):
+ def __init__(self):
+ self.message = _('Failed to send greeting')
+ super(SendGreetingError, self).__init__()
+
+class SendFeedbackError(SendMailError):
+ def __init__(self):
+ self.message = _('Failed to send feedback')
+ super(SendFeedbackError, self).__init__()
+
+class ChangeEmailError(SendMailError):
+ def __init__(self):
+ self.message = _('Failed to send change email')
+ super(ChangeEmailError, self).__init__()
+
+class SendNotificationError(SendMailError):
+ def __init__(self):
+ self.message = _('Failed to send notification email')
+ super(SendNotificationError, self).__init__()