def invite():
user_pending = None
try:
body = request.json
if body is None:
return error_view(400, "invalid JSON in body")
email = body.get('email')
if email is None:
return error_view(400, "invalid email value")
# check if mail is already used
if User.exists_from_email(email):
return error_view(500, f"email already used by an existing user")
if UserRequest.exists(email):
return error_view(500, f"a request for this email already exists")
if UserPending.exists_from_email(email):
return error_view(
500, f"a user with this email has already been invited")
# create a new pending user in database
user_pending = UserPending.new(email)
user_pending.insert()
# send a mail with the token
default_channel = Channel.get(Channel.DEFAULT)
template = INVITE_TEMPLATE
template.set_format(token=user_pending.token)
send(user_pending.email, default_channel, template)
return user_pending_created_view(user_pending)
except ObjectNotFound as o:
return error_view(404, str(o))
except (MailSendingError, TelegramSendingError):
# in case the mail cannot be sent, abort the invitation and delete the pending user in database
if user_pending is not None:
user_pending.delete()
return error_view(500, f"error sending the invitation")
def request_access():
body = request.json
if body is None:
return error_view(400, "invalid JSON in body")
email = body.get('email')
if email is None:
return error_view(400, "invalid email value")
if User.exists_from_email(email):
return error_view(500, "email unavailable")
if UserPending.exists_from_email(email):
return error_view(500, "an invitation has already been sent to this email")
if UserRequest.exists(email):
return error_view(500, "a request for this email has already been sent")
user_request = UserRequest.new(email)
user_request.insert()
return user_request_created_view(user_request)