root / logic / users.py @ 583bfaa0
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# Copyright 2011 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and documentation are
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# those of the authors and should not be interpreted as representing official
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# policies, either expressed or implied, of GRNET S.A.
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# Business Logic for working with users
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from django.conf import settings |
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from synnefo.db.models import SynnefoUser |
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from django.db import transaction |
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import hashlib |
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import time |
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import string |
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from datetime import datetime, timedelta |
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@transaction.commit_on_success
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def _register_user(f, u, unq, t): |
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user = SynnefoUser() |
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user.realname = f |
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user.name = u |
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user.uniq = unq |
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user.type = t |
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user.credit = 10 #TODO: Fix this when we have a per group policy |
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user.save() |
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create_auth_token(user) |
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def create_uname(fullname): |
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fullname = fullname.strip() |
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uname = None
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if fullname.find(' ') is not -1: |
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(name, surname) = (fullname.split(' ')[0], string.join(fullname.split(' ')[-1:], '')) |
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uname = "%s%s" % (string.join(surname[0:7],''), name[0]) |
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uname = uname.lower() |
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else:
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uname = fullname[0:7].lower() |
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return uname
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@transaction.commit_on_success
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def delete_user(user): |
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if user is not None: |
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user.delete() |
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def register_student(fullname, username, uniqid): |
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_register_user(fullname, username, uniqid, 'STUDENT')
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def register_professor(fullname, username, uniqid): |
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_register_user(fullname, username, uniqid, 'PROFESSOR')
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def register_user(fullname, email): |
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uname = create_uname (fullname) |
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_register_user(fullname, uname, email, 'USER')
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@transaction.commit_on_success
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def create_auth_token(user): |
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md5 = hashlib.md5() |
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md5.update(user.uniq) |
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md5.update(user.name.encode('ascii', 'ignore')) |
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md5.update(time.asctime()) |
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user.auth_token = md5.hexdigest() |
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user.auth_token_created = datetime.now() |
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user.auth_token_expires = user.auth_token_created + \ |
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timedelta(hours=settings.AUTH_TOKEN_DURATION) |
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user.save() |
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@transaction.commit_on_success
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def create_tmp_token(user): |
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md5 = hashlib.md5() |
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md5.update(user.uniq) |
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md5.update(user.name.encode('ascii', 'ignore')) |
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md5.update(time.asctime()) |
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user.tmp_auth_token = md5.hexdigest() |
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user.tmp_auth_token_expires = datetime.now() + \ |
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timedelta(minutes=settings.HELPDESK_TOKEN_DURATION_MIN) |
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user.save() |