Merge pull request #9 from nitmir/dev

Update to version 0.6.2

.travis.yml

@@ -1,8 +1,6 @@
 language: python
 matrix:
   include:
-  - python: "2.7"
-    env: TOX_ENV=coverage
   - python: "2.7"
     env: TOX_ENV=flake8
   - python: "2.7"
@@ -23,6 +21,8 @@ matrix:
     env: TOX_ENV=py35-django18
   - python: "3.5"
     env: TOX_ENV=py35-django19
+  - python: "2.7"
+    env: TOX_ENV=coverage
 cache:
   directories:
     - $HOME/.cache/pip/http/

Makefile

@@ -38,7 +38,7 @@ dist:
 
 test_venv/bin/python:
 	virtualenv test_venv
-	test_venv/bin/pip install -U --requirement requirements-dev.txt Django
+	test_venv/bin/pip install -U --requirement requirements-dev.txt 'Django<1.10'
 
 test_venv/cas/manage.py: test_venv
 	mkdir -p test_venv/cas
@@ -62,7 +62,7 @@ run_server: test_project
 
 run_tests: test_venv
 	python setup.py check --restructuredtext --stric
-	test_venv/bin/py.test --cov=cas_server --cov-report html
+	test_venv/bin/py.test -rw -x --cov=cas_server --cov-report html
 	rm htmlcov/coverage_html.js  # I am really pissed off by those keybord shortcuts
 
 test_venv/bin/sphinx-build: test_venv

README.rst

@@ -29,11 +29,49 @@ Dependencies
 
 ``django-cas-server`` depends on the following python packages:
 
-* Django >= 1.7 < 1.10
+* Django >= 1.7.1 < 1.10
 * requests >= 2.4
 * requests_futures >= 0.9.5
 * lxml >= 3.4
-* six >= 1
+* six >= 1.8
+
+Minimal version of packages dependancy are just indicative and meens that ``django-cas-server`` has
+been tested with it. Previous versions of dependencies may or may not work.
+
+Additionally, denpending of the authentication backend you plan to use, you may need the following
+python packages:
+
+* ldap3
+* psycopg2
+* mysql-python
+
+
+Here there is a table with the name of python packages and the corresponding packages providing
+them on debian like systems and centos like systems.
+You should try as much as possible to use system packages as there are automatically updated then
+you update your system. You can then install Not Available (N/A)
+packages on your system using pip inside a virtualenv as described in the `Installation`_ section.
+For use with python3, just replace python(2) in the table by python3.
+
++------------------+-------------------------+---------------------+
+| python package   | debian like systems     | centos like systems |
++==================+=========================+=====================+
+| Django           | python-django           | python-django       |
++------------------+-------------------------+---------------------+
+| requests         | python-requests         | python-requests     |
++------------------+-------------------------+---------------------+
+| requests_futures | python-requests-futures | N/A                 |
++------------------+-------------------------+---------------------+
+| lxml             | python-lxml             | python-lxml         |
++------------------+-------------------------+---------------------+
+| six              | python-six              | python-six          |
++------------------+-------------------------+---------------------+
+| ldap3            | python-ldap3            | python-ldap3        |
++------------------+-------------------------+---------------------+
+| psycopg2         | python-psycopg2         | python-psycopg2     |
++------------------+-------------------------+---------------------+
+| mysql-python     | python-mysqldb          | python2-mysql       |
++------------------+-------------------------+---------------------+
 
 Installation
 ============
@@ -63,14 +101,17 @@ The recommended installation mode is to use a virtualenv with ``--system-site-pa
     New python executable in cas/bin/python2
     Also creating executable in cas/bin/python
     Installing setuptools, pip...done.
+
+4. And `activate it <https://virtualenv.pypa.io/en/stable/userguide/#activate-script>`__::
+
     $ cd cas_venv/; . bin/activate
 
-4. Create a django project::
+5. Create a django project::
 
    $ django-admin startproject cas_project
    $ cd cas_project
 
-5. Install `django-cas-server`. To use the last published release, run::
+6. Install `django-cas-server`. To use the last published release, run::
 
     $ pip install django-cas-server
 
@@ -81,11 +122,11 @@ The recommended installation mode is to use a virtualenv with ``--system-site-pa
     $ pip install -r requirements.txt
 
    Then, either run ``make install`` to create a python package using the sources of the repository
-   and install it with pip, or place the `cas_server` directory into your
+   and install it with pip, or place the ``cas_server`` directory into your
    `PYTHONPATH <https://docs.python.org/2/using/cmdline.html#envvar-PYTHONPATH>`_
-   (for instance by symlinking `cas_server` to the root of your django project).
+   (for instance by symlinking ``cas_server`` to the root of your django project).
 
-6. Open ``cas_project/settings.py`` in you favourite editor and follow the quick start section.
+7. Open ``cas_project/settings.py`` in you favourite editor and follow the quick start section.
 
 
 Quick start
@@ -145,7 +186,7 @@ Quick start
 
 6. Start the development server and visit http://127.0.0.1:8000/admin/
    to add a first service allowed to authenticate user against the CAS
-   (you'll need the Admin app enabled). See the Service Patterns section bellow.
+   (you'll need the Admin app enabled). See the `Service Patterns`_ section bellow.
 
 7. Visit http://127.0.0.1:8000/cas/ to login with your django users.
 
@@ -163,6 +204,8 @@ Template settings
 
 * ``CAS_LOGO_URL``: URL to the logo showed in the up left corner on the default
   templates. Set it to ``False`` to disable it.
+* ``CAS_FAVICON_URL``: URL to the favicon (shortcut icon) used by the default templates.
+  Default is a key icon. Set it to ``False`` to disable it.
 * ``CAS_COMPONENT_URLS``: URLs to css and javascript external components. It is a dictionnary
   and it must have the five following keys: ``"bootstrap3_css"``, ``"bootstrap3_js"``,
   ``"html5shiv"``, ``"respond"``, ``"jquery"``. The default is::
@@ -193,6 +236,8 @@ Authentication settings
 
 * ``CAS_AUTH_CLASS``: A dotted path to a class or a class implementing
   ``cas_server.auth.AuthUser``. The default is ``"cas_server.auth.DjangoAuthUser"``
+  Available classes bundled with ``django-cas-server`` are listed below in the
+  `Authentication backend`_ section.
 
 * ``SESSION_COOKIE_AGE``: This is a django settings. Here, it control the delay in seconds after
   which inactive users are logged out. The default is ``1209600`` (2 weeks). You probably should
@@ -212,13 +257,23 @@ Authentication settings
 Federation settings
 -------------------
 
-* ``CAS_FEDERATE``: A boolean for activating the federated mode (see the federate section below).
+* ``CAS_FEDERATE``: A boolean for activating the federated mode (see the `Federation mode`_
-  The default is ``False``.
+  section below). The default is ``False``.
 * ``CAS_FEDERATE_REMEMBER_TIMEOUT``: Time after witch the cookie use for "remember my identity
   provider" expire. The default is ``604800``, one week. The cookie is called
   ``_remember_provider``.
 
 
+New version warnings settings
+-----------------------------
+
+* ``CAS_NEW_VERSION_HTML_WARNING``: A boolean for diplaying a warning on html pages then a new
+  version of the application is avaible. Once closed by a user, it is not displayed to this user
+  until the next new version. The default is ``True``.
+* ``CAS_NEW_VERSION_EMAIL_WARNING``: A bolean sot sending a email to ``settings.ADMINS`` when a new
+  version is available. The default is ``True``.
+
+
 Tickets validity settings
 -------------------------
 
@@ -257,6 +312,7 @@ Tickets miscellaneous settings
 
 Mysql backend settings
 ----------------------
+Deprecated, see the `Sql backend settings`_.
 Only usefull if you are using the mysql authentication backend:
 
 * ``CAS_SQL_HOST``: Host for the SQL server. The default is ``"localhost"``.
@@ -283,6 +339,64 @@ Only usefull if you are using the mysql authentication backend:
   The default is ``"crypt"``.
 
 
+Sql backend settings
+--------------------
+Only usefull if you are using the sql authentication backend. You must add a ``"cas_server"``
+database to `settings.DATABASES <https://docs.djangoproject.com/fr/1.9/ref/settings/#std:setting-DATABASES>`__
+as defined in the django documentation. It is then the database
+use by the sql backend.
+
+* ``CAS_SQL_USER_QUERY``: The query performed upon user authentication.
+  The username must be in field ``username``, the password in ``password``,
+  additional fields are used as the user attributes.
+  The default is ``"SELECT user AS username, pass AS password, users.* FROM users WHERE user = %s"``
+* ``CAS_SQL_PASSWORD_CHECK``: The method used to check the user password. Must be one of the following:
+
+  * ``"crypt"`` (see <https://en.wikipedia.org/wiki/Crypt_(C)>), the password in the database
+    should begin this $
+  * ``"ldap"`` (see https://tools.ietf.org/id/draft-stroeder-hashed-userpassword-values-01.html)
+    the password in the database must begin with one of {MD5}, {SMD5}, {SHA}, {SSHA}, {SHA256},
+    {SSHA256}, {SHA384}, {SSHA384}, {SHA512}, {SSHA512}, {CRYPT}.
+  * ``"hex_HASH_NAME"`` with ``HASH_NAME`` in md5, sha1, sha224, sha256, sha384, sha512.
+    The hashed password in the database is compare to the hexadecimal digest of the clear
+    password hashed with the corresponding algorithm.
+  * ``"plain"``, the password in the database must be in clear.
+
+  The default is ``"crypt"``.
+* ``CAS_SQL_PASSWORD_CHARSET``: Charset the SQL users passwords was hash with. This is needed to
+  encode the user sended password before hashing it for comparison. The default is ``"utf-8"``.
+
+
+Ldap backend settings
+---------------------
+Only usefull if you are using the ldap authentication backend:
+
+* ``CAS_LDAP_SERVER``: Address of the LDAP server. The default is ``"localhost"``.
+* ``CAS_LDAP_USER``: User bind address, for example ``"cn=admin,dc=crans,dc=org"`` for
+  connecting to the LDAP server.
+* ``CAS_LDAP_PASSWORD``: Password for connecting to the LDAP server.
+* ``CAS_LDAP_BASE_DN``: LDAP search base DN, for example ``"ou=data,dc=crans,dc=org"``.
+* ``CAS_LDAP_USER_QUERY``: Search filter for searching user by username. User inputed usernames are
+  escaped using ``ldap3.utils.conv.escape_bytes``. The default is ``"(uid=%s)"``
+* ``CAS_LDAP_USERNAME_ATTR``: Attribute used for users usernames. The default is ``"uid"``
+* ``CAS_LDAP_PASSWORD_ATTR``: Attribute used for users passwords. The default is ``"userPassword"``
+* ``CAS_LDAP_PASSWORD_CHECK``: The method used to check the user password. Must be one of the following:
+
+  * ``"crypt"`` (see <https://en.wikipedia.org/wiki/Crypt_(C)>), the password in the database
+    should begin this $
+  * ``"ldap"`` (see https://tools.ietf.org/id/draft-stroeder-hashed-userpassword-values-01.html)
+    the password in the database must begin with one of {MD5}, {SMD5}, {SHA}, {SSHA}, {SHA256},
+    {SSHA256}, {SHA384}, {SSHA384}, {SHA512}, {SSHA512}, {CRYPT}.
+  * ``"hex_HASH_NAME"`` with ``HASH_NAME`` in md5, sha1, sha224, sha256, sha384, sha512.
+    The hashed password in the database is compare to the hexadecimal digest of the clear
+    password hashed with the corresponding algorithm.
+  * ``"plain"``, the password in the database must be in clear.
+
+  The default is ``"ldap"``.
+* ``CAS_LDAP_PASSWORD_CHARSET``: Charset the LDAP users passwords was hash with. This is needed to
+  encode the user sended password before hashing it for comparison. The default is ``"utf-8"``.
+
+
 Test backend settings
 ---------------------
 Only usefull if you are using the test authentication backend:
@@ -304,11 +418,17 @@ Authentication backend
   for the user are defined by the ``CAS_TEST_*`` settings.
 * django backend ``cas_server.auth.DjangoAuthUser``: Users are authenticated against django users system.
   This is the default backend. The returned attributes are the fields available on the user model.
-* mysql backend ``cas_server.auth.MysqlAuthUser``: see the 'Mysql backend settings' section.
+* mysql backend ``cas_server.auth.MysqlAuthUser``: Deprecated, use the sql backend instead.
+  see the `Mysql backend settings`_ section. The returned attributes are those return by sql query
+  ``CAS_SQL_USER_QUERY``.
+* sql backend ``cas_server.auth.SqlAuthUser``: see the `Sql backend settings`_ section.
   The returned attributes are those return by sql query ``CAS_SQL_USER_QUERY``.
+* ldap backend ``cas_server.auth.LdapAuthUser``: see the `Ldap backend settings`_ section.
+  The returned attributes are those of the ldap node returned by the query filter ``CAS_LDAP_USER_QUERY``.
 * federated backend ``cas_server.auth.CASFederateAuth``: It is automatically used then ``CAS_FEDERATE`` is ``True``.
   You should not set it manually without setting ``CAS_FEDERATE`` to ``True``.
 
+
 Logs
 ====
 

cas_server/__init__.py

@@ -9,5 +9,9 @@
 #
 # (c) 2015-2016 Valentin Samir
 """A django CAS server application"""
+
+#: version of the application
+VERSION = '0.6.2'
+
 #: path the the application configuration class
 default_app_config = 'cas_server.apps.CasAppConfig'

cas_server/auth.py

@@ -13,16 +13,25 @@
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.utils import timezone
+from django.db import connections, DatabaseError
 
+import warnings
 from datetime import timedelta
+from six.moves import range
 try:  # pragma: no cover
     import MySQLdb
     import MySQLdb.cursors
-    from utils import check_password
 except ImportError:
     MySQLdb = None
 
+
+try:  # pragma: no cover
+    import ldap3
+except ImportError:
+    ldap3 = None
+
 from .models import FederatedUser
+from .utils import check_password, dictfetchall
 
 
 class AuthUser(object):
@@ -116,19 +125,46 @@ class TestAuthUser(AuthUser):
             return {}
 
 
-class MysqlAuthUser(AuthUser):  # pragma: no cover
+class DBAuthUser(AuthUser):  # pragma: no cover
+    """base class for databate based auth classes"""
+    #: DB user attributes as a :class:`dict` if the username is found in the database.
+    user = None
+
+    def attributs(self):
         """
-        A mysql authentication class: authentication user agains a mysql database
+            The user attributes.
+
+            :return: a :class:`dict` with the user attributes. Attributes may be :func:`unicode`
+                or :class:`list` of :func:`unicode`. If the user do not exists, the returned
+                :class:`dict` is empty.
+            :rtype: dict
+        """
+        if self.user:
+            return self.user
+        else:
+            return {}
+
+
+class MysqlAuthUser(DBAuthUser):  # pragma: no cover
+    """
+        DEPRECATED, use :class:`SqlAuthUser` instead.
+
+        A mysql authentication class: authenticate user agains a mysql database
 
         :param unicode username: A username, stored in the :attr:`username<AuthUser.username>`
             class attribute. Valid value are fetched from the MySQL database set with
             ``settings.CAS_SQL_*`` settings parameters using the query
             ``settings.CAS_SQL_USER_QUERY``.
     """
-    #: Mysql user attributes as a :class:`dict` if the username is found in the database.
-    user = None
 
     def __init__(self, username):
+        warnings.warn(
+            (
+                "MysqlAuthUser authentication class is deprecated: "
+                "use cas_server.auth.SqlAuthUser instead"
+            ),
+            UserWarning
+        )
         # see the connect function at
         # http://mysql-python.sourceforge.net/MySQLdb.html#functions-and-attributes
         # for possible mysql config parameters.
@@ -169,24 +205,130 @@ class MysqlAuthUser(AuthUser):  # pragma: no cover
         else:
             return False
 
-    def attributs(self):
-        """
-            The user attributes.
 
-            :return: a :class:`dict` with the user attributes. Attributes may be :func:`unicode`
+class SqlAuthUser(DBAuthUser):  # pragma: no cover
-                or :class:`list` of :func:`unicode`. If the user do not exists, the returned
+    """
-                :class:`dict` is empty.
+        A SQL authentication class: authenticate user agains a SQL database. The SQL database
-            :rtype: dict
+        must be configures in settings.py as ``settings.DATABASES['cas_server']``.
+
+        :param unicode username: A username, stored in the :attr:`username<AuthUser.username>`
+            class attribute. Valid value are fetched from the MySQL database set with
+            ``settings.CAS_SQL_*`` settings parameters using the query
+            ``settings.CAS_SQL_USER_QUERY``.
+    """
+
+    def __init__(self, username):
+        if "cas_server" not in connections:
+            raise RuntimeError("Please configure the 'cas_server' database in settings.DATABASES")
+        for retry_nb in range(3):
+            try:
+                with connections["cas_server"].cursor() as curs:
+                    curs.execute(settings.CAS_SQL_USER_QUERY, (username,))
+                    results = dictfetchall(curs)
+                    if len(results) == 1:
+                        self.user = results[0]
+                        super(SqlAuthUser, self).__init__(self.user['username'])
+                    else:
+                        super(SqlAuthUser, self).__init__(username)
+                break
+            except DatabaseError:
+                connections["cas_server"].close()
+                if retry_nb == 2:
+                    raise
+
+    def test_password(self, password):
+        """
+            Tests ``password`` agains the user password.
+
+            :param unicode password: a clear text password as submited by the user.
+            :return: ``True`` if :attr:`username<AuthUser.username>` is valid and ``password`` is
+                correct, ``False`` otherwise.
+            :rtype: bool
         """
         if self.user:
-            return self.user
+            return check_password(
+                settings.CAS_SQL_PASSWORD_CHECK,
+                password,
+                self.user["password"],
+                settings.CAS_SQL_PASSWORD_CHARSET
+            )
         else:
-            return {}
+            return False
+
+
+class LdapAuthUser(DBAuthUser):  # pragma: no cover
+    """
+        A ldap authentication class: authenticate user against a ldap database
+
+        :param unicode username: A username, stored in the :attr:`username<AuthUser.username>`
+            class attribute. Valid value are fetched from the ldap database set with
+            ``settings.CAS_LDAP_*`` settings parameters.
+    """
+
+    _conn = None
+
+    @classmethod
+    def get_conn(cls):
+        """Return a connection object to the ldap database"""
+        conn = cls._conn
+        if conn is None or conn.closed:
+            conn = ldap3.Connection(
+                settings.CAS_LDAP_SERVER,
+                settings.CAS_LDAP_USER,
+                settings.CAS_LDAP_PASSWORD,
+                auto_bind=True
+            )
+            cls._conn = conn
+        return conn
+
+    def __init__(self, username):
+        if not ldap3:
+            raise RuntimeError("Please install ldap3 before using the LdapAuthUser backend")
+        # in case we got deconnected from the database, retry to connect 2 times
+        for retry_nb in range(3):
+            try:
+                conn = self.get_conn()
+                if conn.search(
+                    settings.CAS_LDAP_BASE_DN,
+                    settings.CAS_LDAP_USER_QUERY % ldap3.utils.conv.escape_bytes(username),
+                    attributes=ldap3.ALL_ATTRIBUTES
+                ) and len(conn.entries) == 1:
+                    user = conn.entries[0].entry_get_attributes_dict()
+                    if user.get(settings.CAS_LDAP_USERNAME_ATTR):
+                        self.user = user
+                        super(LdapAuthUser, self).__init__(user[settings.CAS_LDAP_USERNAME_ATTR][0])
+                    else:
+                        super(LdapAuthUser, self).__init__(username)
+                else:
+                    super(LdapAuthUser, self).__init__(username)
+                break
+            except ldap3.LDAPCommunicationError:
+                if retry_nb == 2:
+                    raise
+
+    def test_password(self, password):
+        """
+            Tests ``password`` agains the user password.
+
+            :param unicode password: a clear text password as submited by the user.
+            :return: ``True`` if :attr:`username<AuthUser.username>` is valid and ``password`` is
+                correct, ``False`` otherwise.
+            :rtype: bool
+        """
+        if self.user and self.user.get(settings.CAS_LDAP_PASSWORD_ATTR):
+            return check_password(
+                settings.CAS_LDAP_PASSWORD_CHECK,
+                password,
+                self.user[settings.CAS_LDAP_PASSWORD_ATTR][0],
+                settings.CAS_LDAP_PASSWORD_CHARSET
+            )
+        else:
+            return False
 
 
 class DjangoAuthUser(AuthUser):  # pragma: no cover
     """
-        A django auth class: authenticate user agains django internal users
+        A django auth class: authenticate user against django internal users
 
         :param unicode username: A username, stored in the :attr:`username<AuthUser.username>`
             class attribute. Valid value are usernames of django internal users.

cas_server/cas.py

@@ -134,6 +134,14 @@ class CASClientBase(object):
                 raise CASError(errors[0].attrib['code'], errors[0].text)
         raise CASError("Bad http code %s" % response.code)
 
+    @staticmethod
+    def get_page_charset(page, default="utf-8"):
+        content_type = page.info().get('Content-type')
+        if content_type and "charset=" in content_type:
+            return content_type.split("charset=")[-1]
+        else:
+            return default
+
 
 class CASClientV1(CASClientBase, ReturnUnicode):
     """CAS Client Version 1"""
@@ -146,17 +154,15 @@ class CASClientV1(CASClientBase, ReturnUnicode):
         Returns username on success and None on failure.
         """
         params = [('ticket', ticket), ('service', self.service_url)]
+        if self.renew:
+            params.append(('renew', 'true'))
         url = (urllib_parse.urljoin(self.server_url, 'validate') + '?' +
                urllib_parse.urlencode(params))
         page = urllib_request.urlopen(url)
         try:
             verified = page.readline().strip()
             if verified == b'yes':
-                content_type = page.info().get('Content-type')
+                charset = self.get_page_charset(page, default="ascii")
-                if "charset=" in content_type:
-                    charset = content_type.split("charset=")[-1]
-                else:
-                    charset = "ascii"
                 user = self.u(page.readline().strip(), charset)
                 return user, None, None
             else:
@@ -183,17 +189,15 @@ class CASClientV2(CASClientBase, ReturnUnicode):
 
     def get_verification_response(self, ticket):
         params = [('ticket', ticket), ('service', self.service_url)]
+        if self.renew:
+            params.append(('renew', 'true'))
         if self.proxy_callback:
             params.append(('pgtUrl', self.proxy_callback))
         base_url = urllib_parse.urljoin(self.server_url, self.url_suffix)
         url = base_url + '?' + urllib_parse.urlencode(params)
         page = urllib_request.urlopen(url)
         try:
-            content_type = page.info().get('Content-type')
+            charset = self.get_page_charset(page)
-            if "charset=" in content_type:
-                charset = content_type.split("charset=")[-1]
-            else:
-                charset = "ascii"
             return (page.read(), charset)
         finally:
             page.close()
@@ -306,11 +310,7 @@ class CASClientWithSAMLV1(CASClientV2, SingleLogoutMixin):
             from elementtree import ElementTree
 
         page = self.fetch_saml_validation(ticket)
-        content_type = page.info().get('Content-type')
+        charset = self.get_page_charset(page)
-        if "charset=" in content_type:
-            charset = content_type.split("charset=")[-1]
-        else:
-            charset = "ascii"
 
         try:
             user = None

cas_server/default_settings.py

@@ -18,6 +18,8 @@ from importlib import import_module
 
 #: URL to the logo showed in the up left corner on the default templates.
 CAS_LOGO_URL = static("cas_server/logo.png")
+#: URL to the favicon (shortcut icon) used by the default templates. Default is a key icon.
+CAS_FAVICON_URL = static("cas_server/favicon.ico")
 #: URLs to css and javascript external components.
 CAS_COMPONENT_URLS = {
     "bootstrap3_css": "//maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css",
@@ -110,12 +112,39 @@ CAS_SQL_PASSWORD = ''
 CAS_SQL_DBNAME = ''
 #: Database charset.
 CAS_SQL_DBCHARSET = 'utf8'
+
 #: The query performed upon user authentication.
-CAS_SQL_USER_QUERY = 'SELECT user AS usersame, pass AS password, users.* FROM users WHERE user = %s'
+CAS_SQL_USER_QUERY = 'SELECT user AS username, pass AS password, users.* FROM users WHERE user = %s'
 #: The method used to check the user password. Must be one of ``"crypt"``, ``"ldap"``,
 #: ``"hex_md5"``, ``"hex_sha1"``, ``"hex_sha224"``, ``"hex_sha256"``, ``"hex_sha384"``,
 #: ``"hex_sha512"``, ``"plain"``.
-CAS_SQL_PASSWORD_CHECK = 'crypt'  # crypt or plain
+CAS_SQL_PASSWORD_CHECK = 'crypt'
+#: charset the SQL users passwords was hash with
+CAS_SQL_PASSWORD_CHARSET = "utf-8"
+
+
+#: Address of the LDAP server
+CAS_LDAP_SERVER = 'localhost'
+#: LDAP user bind address, for example ``"cn=admin,dc=crans,dc=org"`` for connecting to the LDAP
+#: server.
+CAS_LDAP_USER = None
+#: LDAP connection password
+CAS_LDAP_PASSWORD = None
+#: LDAP seach base DN, for example ``"ou=data,dc=crans,dc=org"``.
+CAS_LDAP_BASE_DN = None
+#: LDAP search filter for searching user by username. User inputed usernames are escaped using
+#: :func:`ldap3.utils.conv.escape_bytes`.
+CAS_LDAP_USER_QUERY = "(uid=%s)"
+#: LDAP attribute used for users usernames
+CAS_LDAP_USERNAME_ATTR = "uid"
+#: LDAP attribute used for users passwords
+CAS_LDAP_PASSWORD_ATTR = "userPassword"
+#: The method used to check the user password. Must be one of ``"crypt"``, ``"ldap"``,
+#: ``"hex_md5"``, ``"hex_sha1"``, ``"hex_sha224"``, ``"hex_sha256"``, ``"hex_sha384"``,
+#: ``"hex_sha512"``, ``"plain"``.
+CAS_LDAP_PASSWORD_CHECK = "ldap"
+#: charset the LDAP users passwords was hash with
+CAS_LDAP_PASSWORD_CHARSET = "utf-8"
 
 
 #: Username of the test user.
@@ -140,6 +169,15 @@ CAS_FEDERATE = False
 #: Time after witch the cookie use for “remember my identity provider” expire (one week).
 CAS_FEDERATE_REMEMBER_TIMEOUT = 604800
 
+#: A :class:`bool` for diplaying a warning on html pages then a new version of the application
+#: is avaible. Once closed by a user, it is not displayed to this user until the next new version.
+CAS_NEW_VERSION_HTML_WARNING = True
+#: A :class:`bool` for sending emails to ``settings.ADMINS`` when a new version is available.
+CAS_NEW_VERSION_EMAIL_WARNING = True
+#: URL to the pypi json of the application. Used to retreive the version number of the last version.
+#: You should not change it.
+CAS_NEW_VERSION_JSON_URL = "https://pypi.python.org/pypi/django-cas-server/json"
+
 GLOBALS = globals().copy()
 for name, default_value in GLOBALS.items():
     # get the current setting value, falling back to default_value

cas_server/federate.py

@@ -42,13 +42,13 @@ class CASFederateValidateUser(object):
     #: the identity provider
     provider = None
 
-    def __init__(self, provider, service_url):
+    def __init__(self, provider, service_url, renew=False):
         self.provider = provider
         self.client = CASClient(
             service_url=service_url,
             version=provider.cas_protocol_version,
             server_url=provider.server_url,
-            renew=False,
+            renew=renew,
         )
 
     def get_login_url(self):

cas_server/forms.py

@@ -19,49 +19,56 @@ import cas_server.models as models
 
 
 class BootsrapForm(forms.Form):
-    """Form base class to use boostrap then rendering the form fields"""
+    """
+        Bases: :class:`django.forms.Form`
+
+        Form base class to use boostrap then rendering the form fields
+    """
     def __init__(self, *args, **kwargs):
         super(BootsrapForm, self).__init__(*args, **kwargs)
-        for (name, field) in self.fields.items():
+        for field in self.fields.values():
             # Only tweak the fiel if it will be displayed
             if not isinstance(field.widget, forms.HiddenInput):
-                # tell to display the field (used in form.html)
-                self[name].display = True
                 attrs = {}
-                if isinstance(field.widget, forms.CheckboxInput):
+                if not isinstance(field.widget, forms.CheckboxInput):
-                    self[name].checkbox = True
-                else:
                     attrs['class'] = "form-control"
-                    if field.label:
+                    if field.label:  # pragma: no branch (currently all field are hidden or labeled)
                         attrs["placeholder"] = field.label
                 if field.required:
                     attrs["required"] = "required"
                 field.widget.attrs.update(attrs)
 
 
-class WarnForm(BootsrapForm):
+class BaseLogin(BootsrapForm):
     """
-        Bases: :class:`django.forms.Form`
+        Bases: :class:`BootsrapForm`
 
-        Form used on warn page before emiting a ticket
+        Base form with all field possibly hidden on the login pages
     """
-
     #: The service url for which the user want a ticket
     service = forms.CharField(widget=forms.HiddenInput(), required=False)
+    #: A valid LoginTicket to prevent POST replay
+    lt = forms.CharField(widget=forms.HiddenInput(), required=False)
     #: Is the service asking the authentication renewal ?
     renew = forms.BooleanField(widget=forms.HiddenInput(), required=False)
     #: Url to redirect to if the authentication fail (user not authenticated or bad service)
     gateway = forms.CharField(widget=forms.HiddenInput(), required=False)
     method = forms.CharField(widget=forms.HiddenInput(), required=False)
+
+
+class WarnForm(BaseLogin):
+    """
+        Bases: :class:`BaseLogin`
+
+        Form used on warn page before emiting a ticket
+    """
     #: ``True`` if the user has been warned of the ticket emission
     warned = forms.BooleanField(widget=forms.HiddenInput(), required=False)
-    #: A valid LoginTicket to prevent POST replay
-    lt = forms.CharField(widget=forms.HiddenInput(), required=False)
 
 
-class FederateSelect(BootsrapForm):
+class FederateSelect(BaseLogin):
     """
-        Bases: :class:`django.forms.Form`
+        Bases: :class:`BaseLogin`
 
         Form used on the login page when ``settings.CAS_FEDERATE`` is ``True``
         allowing the user to choose an identity provider.
@@ -76,39 +83,30 @@ class FederateSelect(BootsrapForm):
         to_field_name="suffix",
         label=_('Identity provider'),
     )
-    #: The service url for which the user want a ticket
+    #: A checkbox to ask to be warn before emiting a ticket for another service
-    service = forms.CharField(label=_('service'), widget=forms.HiddenInput(), required=False)
+    warn = forms.BooleanField(
-    method = forms.CharField(widget=forms.HiddenInput(), required=False)
+        label=_('Warn me before logging me into other sites.'),
+        required=False
+    )
     #: A checkbox to remember the user choices of :attr:`provider<FederateSelect.provider>`
     remember = forms.BooleanField(label=_('Remember the identity provider'), required=False)
-    #: A checkbox to ask to be warn before emiting a ticket for another service
-    warn = forms.BooleanField(label=_('warn'), required=False)
-    #: Is the service asking the authentication renewal ?
-    renew = forms.BooleanField(widget=forms.HiddenInput(), required=False)
 
 
-class UserCredential(BootsrapForm):
+class UserCredential(BaseLogin):
     """
-         Bases: :class:`django.forms.Form`
+         Bases: :class:`BaseLogin`
 
          Form used on the login page to retrive user credentials
      """
     #: The user username
-    username = forms.CharField(label=_('login'))
+    username = forms.CharField(label=_('username'))
-    #: The service url for which the user want a ticket
-    service = forms.CharField(label=_('service'), widget=forms.HiddenInput(), required=False)
     #: The user password
     password = forms.CharField(label=_('password'), widget=forms.PasswordInput)
-    #: A valid LoginTicket to prevent POST replay
-    lt = forms.CharField(widget=forms.HiddenInput(), required=False)
-    method = forms.CharField(widget=forms.HiddenInput(), required=False)
     #: A checkbox to ask to be warn before emiting a ticket for another service
-    warn = forms.BooleanField(label=_('warn'), required=False)
+    warn = forms.BooleanField(
-    #: Is the service asking the authentication renewal ?
+        label=_('Warn me before logging me into other sites.'),
-    renew = forms.BooleanField(widget=forms.HiddenInput(), required=False)
+        required=False
-
+    )
-    def __init__(self, *args, **kwargs):
-        super(UserCredential, self).__init__(*args, **kwargs)
 
     def clean(self):
         """
@@ -124,7 +122,9 @@ class UserCredential(BootsrapForm):
         if auth.test_password(cleaned_data.get("password")):
             cleaned_data["username"] = auth.username
         else:
-            raise forms.ValidationError(_(u"Bad user"))
+            raise forms.ValidationError(
+                _(u"The credentials you provided cannot be determined to be authentic.")
+            )
         return cleaned_data
 
 
@@ -148,21 +148,13 @@ class FederateUserCredential(UserCredential):
         This stub authentication form, allow to implement the federated mode with very few
         modificatons to the :class:`LoginView<cas_server.views.LoginView>` view.
     """
-    #: the user username with the ``@`` component
+
-    username = forms.CharField(widget=forms.HiddenInput())
+    def __init__(self, *args, **kwargs):
-    #: The service url for which the user want a ticket
+        super(FederateUserCredential, self).__init__(*args, **kwargs)
-    service = forms.CharField(widget=forms.HiddenInput(), required=False)
+        # All fields are hidden and auto filled by the /login view logic
-    #: The ``ticket`` used to authenticate the user against a provider
+        for name, field in self.fields.items():
-    password = forms.CharField(widget=forms.HiddenInput())
+            field.widget = forms.HiddenInput()
-    #: alias of :attr:`password`
+            self[name].display = False
-    ticket = forms.CharField(widget=forms.HiddenInput())
-    #: A valid LoginTicket to prevent POST replay
-    lt = forms.CharField(widget=forms.HiddenInput(), required=False)
-    method = forms.CharField(widget=forms.HiddenInput(), required=False)
-    #: Has the user asked to be warn before emiting a ticket for another service
-    warn = forms.BooleanField(widget=forms.HiddenInput(), required=False)
-    #: Is the service asking the authentication renewal ?
-    renew = forms.BooleanField(widget=forms.HiddenInput(), required=False)
 
     def clean(self):
         """

cas_server/locale/en/LC_MESSAGES/django.po

@@ -1,371 +0,0 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-#
-msgid ""
-msgstr ""
-"Project-Id-Version: cas_server\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-07-04 17:36+0200\n"
-"PO-Revision-Date: 2016-07-04 17:39+0200\n"
-"Last-Translator: Valentin Samir <valentin.samir@crans.org>\n"
-"Language-Team: django <LL@li.org>\n"
-"Language: en\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: 8bit\n"
-"X-Generator: Poedit 1.8.8\n"
-
-#: apps.py:19 templates/cas_server/base.html:3
-#: templates/cas_server/base.html:20
-msgid "Central Authentication Service"
-msgstr "Central Authentication Service"
-
-#: forms.py:43
-msgid "Identity provider"
-msgstr "Identity provider"
-
-#: forms.py:45 forms.py:55 forms.py:106
-msgid "service"
-msgstr ""
-
-#: forms.py:47
-msgid "Remember the identity provider"
-msgstr "Remember the identity provider"
-
-#: forms.py:48 forms.py:59
-msgid "warn"
-msgstr " Warn me before logging me into other sites."
-
-#: forms.py:54
-msgid "login"
-msgstr "username"
-
-#: forms.py:56
-msgid "password"
-msgstr "password"
-
-#: forms.py:71
-msgid "Bad user"
-msgstr "The credentials you provided cannot be determined to be authentic."
-
-#: forms.py:96
-msgid "User not found in the temporary database, please try to reconnect"
-msgstr ""
-
-#: management/commands/cas_clean_federate.py:20
-msgid "Clean old federated users"
-msgstr "Clean old federated users"
-
-#: management/commands/cas_clean_sessions.py:22
-msgid "Clean deleted sessions"
-msgstr "Clean deleted sessions"
-
-#: management/commands/cas_clean_tickets.py:22
-msgid "Clean old trickets"
-msgstr "Clean old trickets"
-
-#: models.py:42
-msgid "identity provider"
-msgstr "identity provider"
-
-#: models.py:43
-msgid "identity providers"
-msgstr "identity providers"
-
-#: models.py:47
-msgid "suffix"
-msgstr ""
-
-#: models.py:48
-msgid ""
-"Suffix append to backend CAS returner username: `returned_username`@`suffix`"
-msgstr ""
-
-#: models.py:50
-msgid "server url"
-msgstr ""
-
-#: models.py:59
-msgid "CAS protocol version"
-msgstr ""
-
-#: models.py:60
-msgid ""
-"Version of the CAS protocol to use when sending requests the the backend CAS"
-msgstr ""
-
-#: models.py:65
-msgid "verbose name"
-msgstr ""
-
-#: models.py:66
-msgid "Name for this identity provider displayed on the login page"
-msgstr ""
-
-#: models.py:70 models.py:317
-msgid "position"
-msgstr "position"
-
-#: models.py:80
-msgid "display"
-msgstr ""
-
-#: models.py:81
-msgid "Display the provider on the login page"
-msgstr ""
-
-#: models.py:164
-msgid "User"
-msgstr ""
-
-#: models.py:165
-msgid "Users"
-msgstr ""
-
-#: models.py:234
-#, python-format
-msgid "Error during service logout %s"
-msgstr "Error during service logout %s"
-
-#: models.py:312
-msgid "Service pattern"
-msgstr "Service pattern"
-
-#: models.py:313
-msgid "Services patterns"
-msgstr ""
-
-#: models.py:318
-msgid "service patterns are sorted using the position attribute"
-msgstr ""
-
-#: models.py:325 models.py:449
-msgid "name"
-msgstr "name"
-
-#: models.py:326
-msgid "A name for the service"
-msgstr "A name for the service"
-
-#: models.py:331 models.py:478 models.py:497
-msgid "pattern"
-msgstr "pattern"
-
-#: models.py:333
-msgid ""
-"A regular expression matching services. Will usually looks like '^https://"
-"some\\.server\\.com/path/.*$'.As it is a regular expression, special "
-"character must be escaped with a '\\'."
-msgstr ""
-"A regular expression matching services. Will usually looks like '^https://"
-"some\\.server\\.com/path/.*$'.As it is a regular expression, special "
-"character must be escaped with a '\\'."
-
-#: models.py:342
-msgid "user field"
-msgstr ""
-
-#: models.py:343
-msgid "Name of the attribut to transmit as username, empty = login"
-msgstr "Name of the attribut to transmit as username, empty = login"
-
-#: models.py:347
-msgid "restrict username"
-msgstr ""
-
-#: models.py:348
-msgid "Limit username allowed to connect to the list provided bellow"
-msgstr "Limit username allowed to connect to the list provided bellow"
-
-#: models.py:352
-msgid "proxy"
-msgstr "proxy"
-
-#: models.py:353
-msgid "Proxy tickets can be delivered to the service"
-msgstr "Proxy tickets can be delivered to the service"
-
-#: models.py:357
-msgid "proxy callback"
-msgstr "proxy callback"
-
-#: models.py:358
-msgid "can be used as a proxy callback to deliver PGT"
-msgstr "can be used as a proxy callback to deliver PGT"
-
-#: models.py:362
-msgid "single log out"
-msgstr ""
-
-#: models.py:363
-msgid "Enable SLO for the service"
-msgstr "Enable SLO for the service"
-
-#: models.py:370
-msgid "single log out callback"
-msgstr ""
-
-#: models.py:371
-msgid ""
-"URL where the SLO request will be POST. empty = service url\n"
-"This is usefull for non HTTP proxied services."
-msgstr ""
-
-#: models.py:433
-msgid "username"
-msgstr ""
-
-#: models.py:434
-msgid "username allowed to connect to the service"
-msgstr "username allowed to connect to the service"
-
-#: models.py:450
-msgid "name of an attribut to send to the service, use * for all attributes"
-msgstr "name of an attribut to send to the service, use * for all attributes"
-
-#: models.py:455 models.py:503
-msgid "replace"
-msgstr "replace"
-
-#: models.py:456
-msgid ""
-"name under which the attribut will be showto the service. empty = default "
-"name of the attribut"
-msgstr ""
-"name under which the attribut will be showto the service. empty = default "
-"name of the attribut"
-
-#: models.py:473 models.py:492
-msgid "attribut"
-msgstr "attribut"
-
-#: models.py:474
-msgid "Name of the attribut which must verify pattern"
-msgstr "Name of the attribut which must verify pattern"
-
-#: models.py:479
-msgid "a regular expression"
-msgstr "a regular expression"
-
-#: models.py:493
-msgid "Name of the attribut for which the value must be replace"
-msgstr "Name of the attribut for which the value must be replace"
-
-#: models.py:498
-msgid "An regular expression maching whats need to be replaced"
-msgstr "An regular expression maching whats need to be replaced"
-
-#: models.py:504
-msgid "replace expression, groups are capture by \\1, \\2 …"
-msgstr "replace expression, groups are capture by \\1, \\2 …"
-
-#: templates/cas_server/logged.html:6
-msgid "Logged"
-msgstr ""
-"<h3>Log In Successful</h3>You have successfully logged into the Central "
-"Authentication Service.<br/>For security reasons, please Log Out and Exit "
-"your web browser when you are done accessing services that require "
-"authentication!"
-
-#: templates/cas_server/logged.html:10
-msgid "Log me out from all my sessions"
-msgstr "Log me out from all my sessions"
-
-#: templates/cas_server/logged.html:13
-msgid "Logout"
-msgstr "Logout"
-
-#: templates/cas_server/login.html:8
-msgid "Please log in"
-msgstr "Please log in"
-
-#: templates/cas_server/login.html:13
-msgid "Login"
-msgstr "Login"
-
-#: templates/cas_server/warn.html:10
-msgid "Connect to the service"
-msgstr "Connect to the service"
-
-#: views.py:152
-msgid ""
-"<h3>Logout successful</h3>You have successfully logged out from the Central "
-"Authentication Service. For security reasons, exit your web browser."
-msgstr ""
-"<h3>Logout successful</h3>You have successfully logged out from the Central "
-"Authentication Service. For security reasons, exit your web browser."
-
-#: views.py:158
-#, python-format
-msgid ""
-"<h3>Logout successful</h3>You have successfully logged out from %s sessions "
-"of the Central Authentication Service. For security reasons, exit your web "
-"browser."
-msgstr ""
-"<h3>Logout successful</h3>You have successfully logged out from %s sessions "
-"of the Central Authentication Service. For security reasons, exit your web "
-"browser."
-
-#: views.py:165
-msgid ""
-"<h3>Logout successful</h3>You were already logged out from the Central "
-"Authentication Service. For security reasons, exit your web browser."
-msgstr ""
-"<h3>Logout successful</h3>You were already logged out from the Central "
-"Authentication Service. For security reasons, exit your web browser."
-
-#: views.py:349
-msgid "Invalid login ticket"
-msgstr "Invalid login ticket, please retry to login"
-
-#: views.py:470
-#, python-format
-msgid "Authentication has been required by service %(name)s (%(url)s)"
-msgstr "Authentication has been required by service %(name)s (%(url)s)"
-
-#: views.py:508
-#, python-format
-msgid "Service %(url)s non allowed."
-msgstr "Service %(url)s non allowed."
-
-#: views.py:515
-msgid "Username non allowed"
-msgstr "Username non allowed"
-
-#: views.py:522
-msgid "User charateristics non allowed"
-msgstr "User charateristics non allowed"
-
-#: views.py:529
-#, python-format
-msgid "The attribut %(field)s is needed to use that service"
-msgstr "The attribut %(field)s is needed to use that service"
-
-#: views.py:599
-#, python-format
-msgid "Authentication renewal required by service %(name)s (%(url)s)."
-msgstr "Authentication renewal required by service %(name)s (%(url)s)."
-
-#: views.py:606
-#, python-format
-msgid "Authentication required by service %(name)s (%(url)s)."
-msgstr "Authentication required by service %(name)s (%(url)s)."
-
-#: views.py:613
-#, python-format
-msgid "Service %s non allowed"
-msgstr "Service %s non allowed"
-
-#~ msgid ""
-#~ "Error during service logout %(service)s:\n"
-#~ "%(error)s"
-#~ msgstr ""
-#~ "Error during service logout %(service)s:\n"
-#~ "%(error)s"
-
-#~ msgid "Successfully logout"
-#~ msgstr ""
-#~ "<h3>Logout successful</h3>You have successfully logged out of the Central "
-#~ "Authentication Service.</br>For security reasons, exit your web browser."

cas_server/locale/fr/LC_MESSAGES/django.po

@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: cas_server\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-07-04 17:36+0200\n"
+"POT-Creation-Date: 2016-08-01 12:01+0200\n"
-"PO-Revision-Date: 2016-07-04 17:37+0200\n"
+"PO-Revision-Date: 2016-08-01 12:01+0200\n"
 "Last-Translator: Valentin Samir <valentin.samir@crans.org>\n"
 "Language-Team: django <LL@li.org>\n"
 "Language: fr\n"
@@ -18,45 +18,45 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
 "X-Generator: Poedit 1.8.8\n"
 
-#: apps.py:19 templates/cas_server/base.html:3
+#: apps.py:25 templates/cas_server/base.html:9
-#: templates/cas_server/base.html:20
+#: templates/cas_server/base.html:27
 msgid "Central Authentication Service"
 msgstr "Service Central d'Authentification"
 
-#: forms.py:43
+#: forms.py:88
 msgid "Identity provider"
 msgstr "fournisseur d'identité"
 
-#: forms.py:45 forms.py:55 forms.py:106
+#: forms.py:92 forms.py:111
-msgid "service"
+msgid "Warn me before logging me into other sites."
-msgstr "service"
+msgstr "Prévenez-moi avant d'accéder à d'autres services."
 
-#: forms.py:47
+#: forms.py:96
 msgid "Remember the identity provider"
 msgstr "Se souvenir du fournisseur d'identité"
 
-#: forms.py:48 forms.py:59
+#: forms.py:106 models.py:600
-msgid "warn"
+msgid "username"
-msgstr "Prévenez-moi avant d'accéder à d'autres services."
+msgstr "nom d'utilisateur"
 
-#: forms.py:54
+#: forms.py:108
-msgid "login"
-msgstr "Identifiant"
-
-#: forms.py:56
 msgid "password"
 msgstr "mot de passe"
 
-#: forms.py:71
+#: forms.py:130
-msgid "Bad user"
+msgid "The credentials you provided cannot be determined to be authentic."
 msgstr "Les informations transmises n'ont pas permis de vous authentifier."
 
-#: forms.py:96
+#: forms.py:182
 msgid "User not found in the temporary database, please try to reconnect"
 msgstr ""
 "Utilisateur non trouvé dans la base de donnée temporaire, essayez de vous "
 "reconnecter"
 
+#: forms.py:196
+msgid "service"
+msgstr "service"
+
 #: management/commands/cas_clean_federate.py:20
 msgid "Clean old federated users"
 msgstr "Nettoyer les anciens utilisateurs fédéré"
@@ -69,98 +69,99 @@ msgstr "Nettoyer les sessions supprimées"
 msgid "Clean old trickets"
 msgstr "Nettoyer les vieux tickets"
 
-#: models.py:42
+#: models.py:46
 msgid "identity provider"
 msgstr "fournisseur d'identité"
 
-#: models.py:43
+#: models.py:47
 msgid "identity providers"
 msgstr "fournisseurs d'identités"
 
-#: models.py:47
+#: models.py:53
 msgid "suffix"
 msgstr "suffixe"
 
-#: models.py:48
+#: models.py:55
 msgid ""
-"Suffix append to backend CAS returner username: `returned_username`@`suffix`"
+"Suffix append to backend CAS returned username: ``returned_username`` @ "
+"``suffix``."
 msgstr ""
 "Suffixe ajouté au nom d'utilisateur retourné par le CAS du fournisseur "
-"d'identité : `nom retourné`@`suffixe`"
+"d'identité : `nom retourné`@`suffixe`."
 
-#: models.py:50
+#: models.py:62
 msgid "server url"
 msgstr "url du serveur"
 
-#: models.py:59
+#: models.py:72
 msgid "CAS protocol version"
 msgstr "Version du protocole CAS"
 
-#: models.py:60
+#: models.py:74
 msgid ""
-"Version of the CAS protocol to use when sending requests the the backend CAS"
+"Version of the CAS protocol to use when sending requests the the backend CAS."
 msgstr ""
 "Version du protocole CAS à utiliser lorsque l'on envoie des requête au CAS "
-"du fournisseur d'identité"
+"du fournisseur d'identité."
 
-#: models.py:65
+#: models.py:81
 msgid "verbose name"
 msgstr "Nom du fournisseur"
 
-#: models.py:66
+#: models.py:82
-msgid "Name for this identity provider displayed on the login page"
+msgid "Name for this identity provider displayed on the login page."
-msgstr "Nom affiché pour ce fournisseur d'identité sur la page de connexion"
+msgstr "Nom affiché pour ce fournisseur d'identité sur la page de connexion."
 
-#: models.py:70 models.py:317
+#: models.py:88 models.py:446
 msgid "position"
 msgstr "position"
 
-#: models.py:80
+#: models.py:102
 msgid "display"
 msgstr "afficher"
 
-#: models.py:81
+#: models.py:103
-msgid "Display the provider on the login page"
+msgid "Display the provider on the login page."
-msgstr "Afficher le fournisseur d'identité sur la page de connexion"
+msgstr "Afficher le fournisseur d'identité sur la page de connexion."
 
-#: models.py:164
+#: models.py:233
 msgid "User"
 msgstr "Utilisateur"
 
-#: models.py:165
+#: models.py:234
 msgid "Users"
 msgstr "Utilisateurs"
 
-#: models.py:234
+#: models.py:320
 #, python-format
 msgid "Error during service logout %s"
 msgstr "Une erreur est survenue durant la déconnexion du service %s"
 
-#: models.py:312
+#: models.py:440
 msgid "Service pattern"
 msgstr "Motif de service"
 
-#: models.py:313
+#: models.py:441
 msgid "Services patterns"
 msgstr "Motifs de services"
 
-#: models.py:318
+#: models.py:447
 msgid "service patterns are sorted using the position attribute"
 msgstr "Les motifs de service sont trié selon l'attribut position"
 
-#: models.py:325 models.py:449
+#: models.py:455 models.py:626
 msgid "name"
 msgstr "nom"
 
-#: models.py:326
+#: models.py:456
 msgid "A name for the service"
 msgstr "Un nom pour le service"
 
-#: models.py:331 models.py:478 models.py:497
+#: models.py:464 models.py:669 models.py:698
 msgid "pattern"
 msgstr "motif"
 
-#: models.py:333
+#: models.py:466
 msgid ""
 "A regular expression matching services. Will usually looks like '^https://"
 "some\\.server\\.com/path/.*$'.As it is a regular expression, special "
@@ -171,55 +172,55 @@ msgstr ""
 "expression rationnelle, les caractères spéciaux doivent être échappés avec "
 "un '\\'."
 
-#: models.py:342
+#: models.py:476
 msgid "user field"
 msgstr "champ utilisateur"
 
-#: models.py:343
+#: models.py:477
-msgid "Name of the attribut to transmit as username, empty = login"
+msgid "Name of the attribute to transmit as username, empty = login"
 msgstr ""
 "Nom de l'attribut devant être transmis comme nom d'utilisateur au service. "
-"vide = nom de connection"
+"vide = nom de connexion"
 
-#: models.py:347
+#: models.py:482
 msgid "restrict username"
 msgstr "limiter les noms d'utilisateurs"
 
-#: models.py:348
+#: models.py:483
 msgid "Limit username allowed to connect to the list provided bellow"
 msgstr ""
 "Limiter les noms d'utilisateurs autorisé à se connecter à la liste fournie "
 "ci-dessous"
 
-#: models.py:352
+#: models.py:488
 msgid "proxy"
 msgstr "proxy"
 
-#: models.py:353
+#: models.py:489
 msgid "Proxy tickets can be delivered to the service"
 msgstr "des proxy tickets peuvent être délivrés au service"
 
-#: models.py:357
+#: models.py:495
 msgid "proxy callback"
 msgstr ""
 
-#: models.py:358
+#: models.py:496
 msgid "can be used as a proxy callback to deliver PGT"
 msgstr "peut être utilisé comme un callback pour recevoir un PGT"
 
-#: models.py:362
+#: models.py:503
 msgid "single log out"
 msgstr ""
 
-#: models.py:363
+#: models.py:504
 msgid "Enable SLO for the service"
 msgstr "Active le SLO pour le service"
 
-#: models.py:370
+#: models.py:512
 msgid "single log out callback"
 msgstr ""
 
-#: models.py:371
+#: models.py:513
 msgid ""
 "URL where the SLO request will be POST. empty = service url\n"
 "This is usefull for non HTTP proxied services."
@@ -228,83 +229,98 @@ msgstr ""
 "service\n"
 "Ceci n'est utilise que pour des services non HTTP proxifiés"
 
-#: models.py:433
+#: models.py:601
-msgid "username"
-msgstr "nom d'utilisateur"
-
-#: models.py:434
 msgid "username allowed to connect to the service"
 msgstr "noms d'utilisateurs autorisé à se connecter au service"
 
-#: models.py:450
+#: models.py:627
-msgid "name of an attribut to send to the service, use * for all attributes"
+msgid "name of an attribute to send to the service, use * for all attributes"
 msgstr ""
 "nom d'un attribut a envoyer au service, utiliser * pour tous les attributs"
 
-#: models.py:455 models.py:503
+#: models.py:634 models.py:705
 msgid "replace"
 msgstr "remplacement"
 
-#: models.py:456
+#: models.py:635
 msgid ""
-"name under which the attribut will be showto the service. empty = default "
+"name under which the attribute will be showto the service. empty = default "
 "name of the attribut"
 msgstr ""
 "nom sous lequel l'attribut sera rendu visible au service. vide = inchangé"
 
-#: models.py:473 models.py:492
+#: models.py:662 models.py:692
-msgid "attribut"
+msgid "attribute"
 msgstr "attribut"
 
-#: models.py:474
+#: models.py:663
-msgid "Name of the attribut which must verify pattern"
+msgid "Name of the attribute which must verify pattern"
 msgstr "Nom de l'attribut devant vérifier un motif"
 
-#: models.py:479
+#: models.py:670
 msgid "a regular expression"
 msgstr "une expression régulière"
 
-#: models.py:493
+#: models.py:693
-msgid "Name of the attribut for which the value must be replace"
+msgid "Name of the attribute for which the value must be replace"
-msgstr "nom de l'attribue pour lequel la valeur doit être remplacé"
+msgstr "nom de l'attribut pour lequel la valeur doit être remplacé"
 
-#: models.py:498
+#: models.py:699
 msgid "An regular expression maching whats need to be replaced"
 msgstr "une expression régulière reconnaissant ce qui doit être remplacé"
 
-#: models.py:504
+#: models.py:706
 msgid "replace expression, groups are capture by \\1, \\2 …"
 msgstr "expression de remplacement, les groupe sont capturé par \\1, \\2"
 
-#: templates/cas_server/logged.html:6
+#: templates/cas_server/base.html:38
-msgid "Logged"
+#, python-format
+msgid ""
+"A new version of the application is available. This instance runs "
+"%(VERSION)s and the last version is %(LAST_VERSION)s. Please consider "
+"upgrading."
 msgstr ""
-"<h3>Connexion réussie</h3>Vous vous êtes authentifié(e) auprès du Service "
+"Une nouvelle version de l'application est disponible. Cette instance utilise "
-"Central d'Authentification.<br/>Pour des raisons de sécurité, veuillez vous "
+"la version %(VERSION)s et la dernière version est %(LAST_VERSION)s. Merci de "
-"déconnecter et fermer votre navigateur lorsque vous avez fini d'accéder aux "
+"vous mettre a jour."
-"services authentifiés."
 
-#: templates/cas_server/logged.html:10
+#: templates/cas_server/logged.html:4
+msgid ""
+"<h3>Log In Successful</h3>You have successfully logged into the Central "
+"Authentication Service.<br/>For security reasons, please Log Out and Exit "
+"your web browser when you are done accessing services that require "
+"authentication!"
+msgstr ""
+"<h3>Déconnexion réussie</h3>Vous vous êtes déconnecté(e) du Service Central "
+"d'Authentification. Pour des raisons de sécurité, veuillez fermer votre "
+"navigateur après avoir fini d'accéder a des services demandant une "
+"authentification !"
+
+#: templates/cas_server/logged.html:8
 msgid "Log me out from all my sessions"
 msgstr "Me déconnecter de toutes mes sessions"
 
-#: templates/cas_server/logged.html:13
+#: templates/cas_server/logged.html:14
+msgid "Forget the identity provider"
+msgstr "Oublier le fournisseur d'identité"
+
+#: templates/cas_server/logged.html:18
 msgid "Logout"
 msgstr "Se déconnecter"
 
-#: templates/cas_server/login.html:8
+#: templates/cas_server/login.html:6
 msgid "Please log in"
 msgstr "Merci de se connecter"
 
-#: templates/cas_server/login.html:13
+#: templates/cas_server/login.html:14
 msgid "Login"
 msgstr "Connexion"
 
-#: templates/cas_server/warn.html:10
+#: templates/cas_server/warn.html:9
 msgid "Connect to the service"
 msgstr "Se connecter au service"
 
-#: views.py:152
+#: views.py:168
 msgid ""
 "<h3>Logout successful</h3>You have successfully logged out from the Central "
 "Authentication Service. For security reasons, exit your web browser."
@@ -313,7 +329,7 @@ msgstr ""
 "d'Authentification. Pour des raisons de sécurité, veuillez fermer votre "
 "navigateur."
 
-#: views.py:158
+#: views.py:174
 #, python-format
 msgid ""
 "<h3>Logout successful</h3>You have successfully logged out from %s sessions "
@@ -324,7 +340,7 @@ msgstr ""
 "Service Central d'Authentification. Pour des raisons de sécurité, veuillez "
 "fermer votre navigateur."
 
-#: views.py:165
+#: views.py:181
 msgid ""
 "<h3>Logout successful</h3>You were already logged out from the Central "
 "Authentication Service. For security reasons, exit your web browser."
@@ -333,50 +349,75 @@ msgstr ""
 "d'Authentification. Pour des raisons de sécurité, veuillez fermer votre "
 "navigateur."
 
-#: views.py:349
+#: views.py:361
-msgid "Invalid login ticket"
+#, python-format
+msgid ""
+"Invalid response from your identity provider CAS upon ticket %(ticket)s "
+"validation: %(error)r"
+msgstr ""
+"Réponse invalide du CAS du fournisseur d'identité lors de la validation du "
+"ticket %(ticket)s: %(error)r"
+
+#: views.py:483
+msgid "Invalid login ticket, please retry to login"
 msgstr "Ticket de connexion invalide, merci de réessayé de vous connecter"
 
-#: views.py:470
+#: views.py:675
 #, python-format
 msgid "Authentication has been required by service %(name)s (%(url)s)"
 msgstr ""
 "Une demande d'authentification a été émise pour le service %(name)s "
 "(%(url)s)."
 
-#: views.py:508
+#: views.py:713
 #, python-format
 msgid "Service %(url)s non allowed."
 msgstr "le service %(url)s n'est pas autorisé."
 
-#: views.py:515
+#: views.py:720
 msgid "Username non allowed"
 msgstr "Nom d'utilisateur non authorisé"
 
-#: views.py:522
+#: views.py:727
-msgid "User charateristics non allowed"
+msgid "User characteristics non allowed"
 msgstr "Caractéristique utilisateur non autorisée"
 
-#: views.py:529
+#: views.py:734
 #, python-format
-msgid "The attribut %(field)s is needed to use that service"
+msgid "The attribute %(field)s is needed to use that service"
 msgstr "L'attribut %(field)s est nécessaire pour se connecter à ce service"
 
-#: views.py:599
+#: views.py:824
 #, python-format
 msgid "Authentication renewal required by service %(name)s (%(url)s)."
 msgstr "Demande de réauthentification pour le service %(name)s (%(url)s)."
 
-#: views.py:606
+#: views.py:831
 #, python-format
 msgid "Authentication required by service %(name)s (%(url)s)."
 msgstr "Authentification requise par le service %(name)s (%(url)s)."
 
-#: views.py:613
+#: views.py:838
 #, python-format
 msgid "Service %s non allowed"
 msgstr "Le service %s n'est pas autorisé"
 
+#~ msgid "Logged"
+#~ msgstr ""
+#~ "<h3>Connexion réussie</h3>Vous vous êtes authentifié(e) auprès du Service "
+#~ "Central d'Authentification.<br/>Pour des raisons de sécurité, veuillez "
+#~ "vous déconnecter et fermer votre navigateur lorsque vous avez fini "
+#~ "d'accéder aux services authentifiés."
+
+#~ msgid "warn"
+#~ msgstr "Prévenez-moi avant d'accéder à d'autres services."
+
+#~ msgid "login"
+#~ msgstr "Identifiant"
+
+#~ msgid "Bad user"
+#~ msgstr "Les informations transmises n'ont pas permis de vous authentifier."
+
 #~ msgid ""
 #~ "Error during service logout %(service)s:\n"
 #~ "%(error)s"

cas_server/management/commands/cas_clean_sessions.py

@@ -23,3 +23,4 @@ class Command(BaseCommand):
 
     def handle(self, *args, **options):
         models.User.clean_deleted_sessions()
+        models.NewVersionWarning.send_mails()

cas_server/migrations/0008_newversionwarning.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.7 on 2016-07-27 21:59
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cas_server', '0007_auto_20160723_2252'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='NewVersionWarning',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('version', models.CharField(max_length=255)),
+            ],
+        ),
+    ]

cas_server/models.py

@@ -18,15 +18,18 @@ from django.contrib import messages
 from django.utils.translation import ugettext_lazy as _
 from django.utils import timezone
 from django.utils.encoding import python_2_unicode_compatible
+from django.core.mail import send_mail
 
 import re
 import sys
+import smtplib
 import logging
 from datetime import timedelta
 from concurrent.futures import ThreadPoolExecutor
 from requests_futures.sessions import FuturesSession
 
 import cas_server.utils as utils
+from . import VERSION
 
 #: logger facility
 logger = logging.getLogger(__name__)
@@ -465,13 +468,13 @@ class ServicePattern(models.Model):
             "As it is a regular expression, special character must be escaped with a '\\'."
         )
     )
-    #: Name of the attribut to transmit as username, if empty the user login is used
+    #: Name of the attribute to transmit as username, if empty the user login is used
     user_field = models.CharField(
         max_length=255,
         default="",
         blank=True,
         verbose_name=_(u"user field"),
-        help_text=_("Name of the attribut to transmit as username, empty = login")
+        help_text=_("Name of the attribute to transmit as username, empty = login")
     )
     #: A boolean allowing to limit username allowed to connect to :attr:`usernames`.
     restrict_users = models.BooleanField(
@@ -621,7 +624,7 @@ class ReplaceAttributName(models.Model):
     name = models.CharField(
         max_length=255,
         verbose_name=_(u"name"),
-        help_text=_(u"name of an attribut to send to the service, use * for all attributes")
+        help_text=_(u"name of an attribute to send to the service, use * for all attributes")
     )
     #: The name of the attribute to transmit to the service. If empty, the value of :attr:`name`
     #: is used.
@@ -629,7 +632,7 @@ class ReplaceAttributName(models.Model):
         max_length=255,
         blank=True,
         verbose_name=_(u"replace"),
-        help_text=_(u"name under which the attribut will be show"
+        help_text=_(u"name under which the attribute will be show"
                     u"to the service. empty = default name of the attribut")
     )
     #: ForeignKey to a :class:`ServicePattern`. :class:`ReplaceAttributName` instances for a
@@ -656,8 +659,8 @@ class FilterAttributValue(models.Model):
     #: The name of a user attribute
     attribut = models.CharField(
         max_length=255,
-        verbose_name=_(u"attribut"),
+        verbose_name=_(u"attribute"),
-        help_text=_(u"Name of the attribut which must verify pattern")
+        help_text=_(u"Name of the attribute which must verify pattern")
     )
     #: A regular expression the attribute :attr:`attribut` value must verify. If :attr:`attribut`
     #: if a list, only one of the list values needs to match.
@@ -686,8 +689,8 @@ class ReplaceAttributValue(models.Model):
     #: Name the attribute: a key of :attr:`User.attributs`
     attribut = models.CharField(
         max_length=255,
-        verbose_name=_(u"attribut"),
+        verbose_name=_(u"attribute"),
-        help_text=_(u"Name of the attribut for which the value must be replace")
+        help_text=_(u"Name of the attribute for which the value must be replace")
     )
     #: A regular expression matching the part of the attribute value that need to be changed
     pattern = models.CharField(
@@ -1003,3 +1006,60 @@ class Proxy(models.Model):
 
     def __str__(self):
         return self.url
+
+
+class NewVersionWarning(models.Model):
+    """
+        Bases: :class:`django.db.models.Model`
+
+        The last new version available version sent
+    """
+    version = models.CharField(max_length=255)
+
+    @classmethod
+    def send_mails(cls):
+        """
+            For each new django-cas-server version, if the current instance is not up to date
+            send one mail to ``settings.ADMINS``.
+        """
+        if settings.CAS_NEW_VERSION_EMAIL_WARNING and settings.ADMINS:
+            try:
+                obj = cls.objects.get()
+            except cls.DoesNotExist:
+                obj = NewVersionWarning.objects.create(version=VERSION)
+            LAST_VERSION = utils.last_version()
+            if LAST_VERSION is not None and LAST_VERSION != obj.version:
+                if utils.decode_version(VERSION) < utils.decode_version(LAST_VERSION):
+                    try:
+                        send_mail(
+                            (
+                                '%sA new version of django-cas-server is available'
+                            ) % settings.EMAIL_SUBJECT_PREFIX,
+                            u'''
+A new version of the django-cas-server is available.
+
+Your version: %s
+New version: %s
+
+Upgrade using:
+    * pip install -U django-cas-server
+    * fetching the last release on
+      https://github.com/nitmir/django-cas-server/ or on
+      https://pypi.python.org/pypi/django-cas-server
+
+After upgrade, do not forget to run:
+    * ./manage.py migrate
+    * ./manage.py collectstatic
+and to reload your wsgi server (apache2, uwsgi, gunicord, etc…)
+
+--\u0020
+django-cas-server
+'''.strip() % (VERSION, LAST_VERSION),
+                            settings.SERVER_EMAIL,
+                            ["%s <%s>" % admin for admin in settings.ADMINS],
+                            fail_silently=False,
+                        )
+                        obj.version = LAST_VERSION
+                        obj.save()
+                    except smtplib.SMTPException as error:  # pragma: no cover (should not happen)
+                        logger.error("Unable to send new version mail: %s" % error)

cas_server/static/cas_server/alert-version.js

@@ -0,0 +1,27 @@
+function alert_version(last_version){
+    jQuery(function( $ ){
+        $("#alert-version").click(function( e ){
+            e.preventDefault();
+            var date = new Date();
+            date.setTime(date.getTime()+(10*365*24*60*60*1000));
+            var expires = "; expires="+date.toGMTString();
+            document.cookie = "cas-alert-version=" + last_version + expires + "; path=/";
+        });
+
+        var nameEQ="cas-alert-version=";
+        var ca = document.cookie.split(";");
+        var value;
+        for(var i=0;i < ca.length;i++) {
+            var c = ca[i];
+            while(c.charAt(0) === " "){
+                c = c.substring(1,c.length);
+            }
+            if(c.indexOf(nameEQ) === 0){
+                value = c.substring(nameEQ.length,c.length);
+            }
+        }
+        if(value === last_version){
+            $("#alert-version").parent().hide();
+        }
+    });
+}

cas_server/templates/cas_server/base.html

@@ -14,8 +14,8 @@
         <script src="{{settings.CAS_COMPONENT_URLS.html5shiv}}"></script>
         <script src="{{settings.CAS_COMPONENT_URLS.respond}}"></script>
         <![endif]-->
-        <link rel="shortcut icon" href="{% static "cas_server/favicon.ico?v=1" %}" />
+        {% if settings.CAS_FAVICON_URL %}<link rel="shortcut icon" href="{{settings.CAS_FAVICON_URL}}" />{% endif %}
-        <link href="{% static "cas_server/login.css" %}" rel="stylesheet">
+        <link href="{% static "cas_server/styles.css" %}" rel="stylesheet">
     </head>
     <body>
         <div class="container">
@@ -31,23 +31,28 @@
             <div class="row">
             <div class="col-lg-3 col-md-3 col-sm-2 col-xs-12"></div>
             <div class="col-lg-6 col-md-6 col-sm-8 col-xs-12">
-            {% block ante_messages %}{% endblock %}
             {% if auto_submit %}<noscript>{% endif %}
+            {% if settings.CAS_NEW_VERSION_HTML_WARNING and upgrade_available %}
+              <div class="alert alert-info alert-dismissable">
+                <button type="button" class="close" data-dismiss="alert" aria-hidden="true" id="alert-version">&#215;</button>
+                {% blocktrans %}A new version of the application is available. This instance runs {{VERSION}} and the last version is {{LAST_VERSION}}. Please consider upgrading.{% endblocktrans %}
+              </div>
+            {% endif %}
+            {% block ante_messages %}{% endblock %}
             {% for message in messages %}
                 <div {% spaceless %}
                     {% if message.level == message_levels.DEBUG %}
-                        class="alert alert-warning alert-dismissable"
+                        class="alert alert-warning"
                     {% elif message.level == message_levels.INFO %}
-                        class="alert alert-info alert-dismissable"
+                        class="alert alert-info"
                     {% elif message.level == message_levels.SUCCESS %}
-                        class="alert alert-success alert-dismissable"
+                        class="alert alert-success"
                     {% elif message.level == message_levels.WARNING %}
-                        class="alert alert-warning alert-dismissable"
+                        class="alert alert-warning"
                     {% else %}
-                        class="alert alert-danger alert-dismissable"
+                        class="alert alert-danger"
                     {% endif %}
                 {% endspaceless %}>
-                    <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&#215;</button>
                     {{ message }}
                 </div>
             {% endfor %}
@@ -59,5 +64,9 @@
         </div> <!-- /container -->
         <script src="{{settings.CAS_COMPONENT_URLS.jquery}}"></script>
         <script src="{{settings.CAS_COMPONENT_URLS.bootstrap3_js}}"></script>
+        {% if settings.CAS_NEW_VERSION_HTML_WARNING and upgrade_available %}
+        <script src="{% static "cas_server/alert-version.js" %}"></script>
+        <script>alert_version("{{LAST_VERSION}}")</script>
+        {% endif %}
     </body>
 </html>

cas_server/templates/cas_server/form.html

@@ -1,10 +1,11 @@
+{% load cas_server %}
 {% for error in form.non_field_errors %}
 <div class="alert alert-danger alert-dismissable">
   <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&#215;</button>
   {{error}}
 </div>
 {% endfor %}
-{% for field in form %}{% if field.display %}
+{% for field in form %}{% if not field|is_hidden %}
 <div class="form-group{% spaceless %}
   {% if not form.non_field_errors %}
     {% if field.errors %} has-error
@@ -12,7 +13,7 @@
     {% endif %}
   {% endif %}"
 {% endspaceless %}>{% spaceless %}
-  {% if field.checkbox %}
+  {% if field|is_checkbox %}
     <div class="checkbox"><label for="{{field.auto_id}}">{{field}}{{field.label}}</label>
   {% else %}
     <label class="control-label" for="{{field.auto_id}}">{{field.label}}</label>

cas_server/templates/cas_server/logged.html

@@ -1,13 +1,20 @@
 {% extends "cas_server/base.html" %}
 {% load i18n %}
 {% block content %}
-<div class="alert alert-success" role="alert">{% trans "Logged" %}</div>
+<div class="alert alert-success" role="alert">{% blocktrans %}<h3>Log In Successful</h3>You have successfully logged into the Central Authentication Service.<br/>For security reasons, please Log Out and Exit your web browser when you are done accessing services that require authentication!{% endblocktrans %}</div>
 <form class="form-signin" method="get" action="logout">
   <div class="checkbox">
     <label>
-      <input type="checkbox" name="all" value="1"> {% trans "Log me out from all my sessions" %}
+      <input type="checkbox" name="all" value="1">{% trans "Log me out from all my sessions" %}
     </label>
   </div>
+  {% if settings.CAS_FEDERATE and request.COOKIES.remember_provider %}
+  <div class="checkbox">
+    <label>
+      <input type="checkbox" name="forget_provider" value="1">{% trans "Forget the identity provider" %}
+    </label>
+  </div>
+  {% endif %}
   <button class="btn btn-danger btn-block btn-lg" type="submit">{% trans "Logout" %}</button>
 </form>
 {% endblock %}

cas_server/templatetags/cas_server.py

@@ -0,0 +1,14 @@
+from django import template
+from django import forms
+
+register = template.Library()
+
+
+@register.filter(name='is_checkbox')
+def is_checkbox(field):
+    return isinstance(field.field.widget, forms.CheckboxInput)
+
+
+@register.filter(name='is_hidden')
+def is_hidden(field):
+    return isinstance(field.field.widget, forms.HiddenInput)

cas_server/tests/settings.py

@@ -51,6 +51,22 @@ MIDDLEWARE_CLASSES = [
     'django.middleware.locale.LocaleMiddleware',
 ]
 
+TEMPLATES = [
+    {
+        'APP_DIRS': True,
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages'
+            ]
+        }
+    }
+]
+
 ROOT_URLCONF = 'cas_server.tests.urls'
 
 # Database
@@ -81,3 +97,30 @@ USE_TZ = True
 # https://docs.djangoproject.com/en/1.9/howto/static-files/
 
 STATIC_URL = '/static/'
+
+CAS_NEW_VERSION_HTML_WARNING = False
+CAS_NEW_VERSION_EMAIL_WARNING = False
+
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'cas_file': {
+            'format': '%(asctime)s %(levelname)s %(message)s'
+        },
+    },
+    'handlers': {
+        'cas_stream': {
+            'level': 'INFO',
+            'class': 'logging.StreamHandler',
+            'formatter': 'cas_file',
+        },
+    },
+    'loggers': {
+        'cas_server': {
+            'handlers': ['cas_stream'],
+            'level': 'INFO',
+            'propagate': True,
+        },
+    },
+}

cas_server/tests/test_federate.py

@@ -84,29 +84,31 @@ class FederateAuthLoginLogoutTestCase(
             params['provider'] = provider.suffix
             if remember:
                 params['remember'] = 'on'
+            # just try for one suffix
+            if suffix == "example.com":
+                # if renew=False is posted it should be ignored
+                params["renew"] = False
             # post the choosed provider
             response = client.post('/federate', params)
             # we are redirected to the provider CAS client url
             self.assertEqual(response.status_code, 302)
-            if remember:
+            self.assertEqual(response["Location"], '%s/federate/%s%s' % (
-                self.assertEqual(response["Location"], '%s/federate/%s?remember=on' % (
                 'http://testserver' if django.VERSION < (1, 9) else "",
-                    provider.suffix
+                provider.suffix,
-                ))
+                "?remember=on" if remember else ""
-            else:
-                self.assertEqual(response["Location"], '%s/federate/%s' % (
-                    'http://testserver' if django.VERSION < (1, 9) else "",
-                    provider.suffix
             ))
             # let's follow the redirect
-            response = client.get('/federate/%s' % provider.suffix)
+            response = client.get(
+                '/federate/%s%s' % (provider.suffix, "?remember=on" if remember else "")
+            )
             # we are redirected to the provider CAS for authentication
             self.assertEqual(response.status_code, 302)
             self.assertEqual(
                 response["Location"],
-                "%s/login?service=http%%3A%%2F%%2Ftestserver%%2Ffederate%%2F%s" % (
+                "%s/login?service=http%%3A%%2F%%2Ftestserver%%2Ffederate%%2F%s%s" % (
                     provider.server_url,
-                    provider.suffix
+                    provider.suffix,
+                    "%3Fremember%3Don" if remember else ""
                 )
             )
             # let's generate a ticket
@@ -114,7 +116,10 @@ class FederateAuthLoginLogoutTestCase(
             # we lauch a dummy CAS server that only validate once for the service
             # http://testserver/federate/example.com with `ticket`
             tests_utils.DummyCAS.run(
-                ("http://testserver/federate/%s" % provider.suffix).encode("ascii"),
+                ("http://testserver/federate/%s%s" % (
+                    provider.suffix,
+                    "?remember=on" if remember else ""
+                )).encode("ascii"),
                 ticket.encode("ascii"),
                 settings.CAS_TEST_USER.encode("utf8"),
                 [],
@@ -122,7 +127,13 @@ class FederateAuthLoginLogoutTestCase(
             )
             # we normally provide a good ticket and should be redirected to /login as the ticket
             # get successfully validated again the dummy CAS
-            response = client.get('/federate/%s' % provider.suffix, {'ticket': ticket})
+            response = client.get(
+                '/federate/%s' % provider.suffix,
+                {'ticket': ticket, 'remember': 'on' if remember else ''}
+            )
+            if remember:
+                self.assertIn("remember_provider", client.cookies)
+                self.assertEqual(client.cookies["remember_provider"].value, provider.suffix)
             self.assertEqual(response.status_code, 302)
             self.assertEqual(response["Location"], "%s/login" % (
                 'http://testserver' if django.VERSION < (1, 9) else ""
@@ -183,7 +194,8 @@ class FederateAuthLoginLogoutTestCase(
         """
             The federated view should redirect to /login if the provider is unknown or not provided,
             try to fetch a new ticket if the provided ticket validation fail
-            (network error or bad ticket)
+            (network error or bad ticket), redirect to /login with a error message if identity
+            provider CAS return a bad response (invalid XML document)
         """
         good_provider = "example.com"
         bad_provider = "exemple.fr"
@@ -229,6 +241,18 @@ class FederateAuthLoginLogoutTestCase(
             'http://testserver' if django.VERSION < (1, 9) else ""
         ))
 
+        # test CAS avaible but return a bad XML doc, should redirect to /login with a error message
+        # use "example.net" as it is CASv3
+        tests_utils.HttpParamsHandler.run(8082)
+        response = client.get("/federate/%s" % "example.net", {'ticket': utils.gen_st()})
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(response["Location"], "%s/login" % (
+            'http://testserver' if django.VERSION < (1, 9) else ""
+        ))
+        response = client.get("/login")
+        self.assertEqual(response.status_code, 200)
+        self.assertIn(b"Invalid response from your identity provider CAS", response.content)
+
     def test_auth_federate_slo(self):
         """test that SLO receive from backend CAS log out the users"""
         # get tickets and connected clients
@@ -331,6 +355,76 @@ class FederateAuthLoginLogoutTestCase(
                 provider.suffix
             ))
 
+    def test_forget_provider(self):
+        """Test the logout option to forget remembered provider"""
+        tickets = self.test_login_post_provider(remember=True)
+        for (provider, _, client) in tickets:
+            self.assertIn("remember_provider", client.cookies)
+            self.assertEqual(client.cookies["remember_provider"].value, provider.suffix)
+            self.assertNotEqual(client.cookies["remember_provider"]["max-age"], 0)
+            client.get("/logout?forget_provider=1")
+            self.assertEqual(client.cookies["remember_provider"]["max-age"], 0)
+
+    def test_renew(self):
+        """
+            Test authentication renewal with federation mode
+        """
+        tickets = self.test_login_post_provider()
+        for (provider, _, client) in tickets:
+            # Try to renew authentication(client already authenticated in test_login_post_provider
+            response = client.get("/login?renew=true")
+            # we should be redirected to the user CAS
+            self.assertEqual(response.status_code, 302)
+            self.assertEqual(response["Location"], "%s/federate/%s?renew=true" % (
+                'http://testserver' if django.VERSION < (1, 9) else "",
+                provider.suffix
+            ))
+
+            response = client.get("/federate/%s?renew=true" % provider.suffix)
+            self.assertEqual(response.status_code, 302)
+            service_url = (
+                "service=http%%3A%%2F%%2Ftestserver%%2Ffederate%%2F%s%%3Frenew%%3Dtrue"
+            ) % provider.suffix
+            self.assertIn(service_url, response["Location"])
+            self.assertIn("renew=true", response["Location"])
+
+            cas_port = int(provider.server_url.split(':')[-1])
+            # let's generate a ticket
+            ticket = utils.gen_st()
+            # we lauch a dummy CAS server that only validate once for the service
+            # http://testserver/federate/example.com?renew=true with `ticket`
+            tests_utils.DummyCAS.run(
+                ("http://testserver/federate/%s?renew=true" % provider.suffix).encode("ascii"),
+                ticket.encode("ascii"),
+                settings.CAS_TEST_USER.encode("utf8"),
+                [],
+                cas_port
+            )
+            # we normally provide a good ticket and should be redirected to /login as the ticket
+            # get successfully validated again the dummy CAS
+            response = client.get(
+                '/federate/%s' % provider.suffix,
+                {'ticket': ticket, 'renew': 'true'}
+            )
+            self.assertEqual(response.status_code, 302)
+            self.assertEqual(response["Location"], "%s/login?renew=true" % (
+                'http://testserver' if django.VERSION < (1, 9) else ""
+            ))
+            # follow the redirect and try to get a ticket to see is it has renew set to True
+            response = client.get("/login?renew=true&service=%s" % self.service)
+            # we should get a page with a from with all widget hidden that auto POST to /login using
+            # javascript. If javascript is disabled, a "connect" button is showed
+            self.assertTrue(response.context['auto_submit'])
+            self.assertEqual(response.context['post_url'], '/login')
+            params = tests_utils.copy_form(response.context["form"])
+            # POST get prefiled from parameters
+            response = client.post("/login", params)
+            self.assertEqual(response.status_code, 302)
+            self.assertTrue(response["Location"].startswith("%s?ticket=" % self.service))
+            ticket_value = response["Location"].split('ticket=')[-1]
+            ticket = models.ServiceTicket.objects.get(value=ticket_value)
+            self.assertTrue(ticket.renew)
+
     def test_login_bad_ticket(self):
         """
             Try login with a bad ticket:

cas_server/tests/test_models.py

@@ -16,7 +16,9 @@ import django
 from django.test import TestCase, Client
 from django.test.utils import override_settings
 from django.utils import timezone
+from django.core import mail
 
+import mock
 from datetime import timedelta
 from importlib import import_module
 
@@ -60,6 +62,25 @@ class FederatedUserTestCase(TestCase, UserModels, FederatedIendityProviderModel)
         with self.assertRaises(models.FederatedUser.DoesNotExist):
             models.FederatedUser.objects.get(username="test2")
 
+    def test_json_attributes(self):
+        """test the json storage of ``atrributs`` in ``_attributs``"""
+        provider = models.FederatedIendityProvider.objects.get(suffix="example.com")
+        user = models.FederatedUser.objects.create(
+            username=settings.CAS_TEST_USER,
+            provider=provider,
+            attributs=settings.CAS_TEST_ATTRIBUTES,
+            ticket=""
+        )
+        self.assertEqual(utils.json_encode(settings.CAS_TEST_ATTRIBUTES), user._attributs)
+        user.delete()
+        user = models.FederatedUser.objects.create(
+            username=settings.CAS_TEST_USER,
+            provider=provider,
+            ticket=""
+        )
+        self.assertIsNone(user._attributs)
+        self.assertIsNone(user.attributs)
+
 
 class FederateSLOTestCase(TestCase, UserModels):
     """test for the federated SLO model"""
@@ -231,3 +252,65 @@ class TicketTestCase(TestCase, UserModels, BaseServicePattern):
         self.assertTrue(b'logoutRequest' in params and params[b'logoutRequest'])
         # only 1 ticket remain in the db
         self.assertEqual(len(models.ServiceTicket.objects.all()), 1)
+
+    def test_json_attributes(self):
+        """test the json storage of ``atrributs`` in ``_attributs``"""
+        # ge an authenticated client
+        client = get_auth_client()
+        # get the user associated to the client
+        user = self.get_user(client)
+        ticket = models.ServiceTicket.objects.create(
+            user=user,
+            service=self.service,
+            attributs=settings.CAS_TEST_ATTRIBUTES,
+            service_pattern=self.service_pattern
+        )
+        self.assertEqual(utils.json_encode(settings.CAS_TEST_ATTRIBUTES), ticket._attributs)
+        ticket.delete()
+        ticket = models.ServiceTicket.objects.create(
+            user=user,
+            service=self.service,
+            service_pattern=self.service_pattern
+        )
+        self.assertIsNone(ticket._attributs)
+        self.assertIsNone(ticket.attributs)
+
+
+@mock.patch("cas_server.utils.last_version", lambda: "1.2.3")
+@override_settings(ADMINS=[("Ano Nymous", "ano.nymous@example.net")])
+@override_settings(CAS_NEW_VERSION_EMAIL_WARNING=True)
+class NewVersionWarningTestCase(TestCase):
+    """tests for the new version warning model"""
+
+    @mock.patch("cas_server.models.VERSION", "0.1.2")
+    def test_send_mails(self):
+        """test the send_mails method with ADMINS and a new version available"""
+        models.NewVersionWarning.send_mails()
+
+        self.assertEqual(len(mail.outbox), 1)
+        self.assertEqual(
+            mail.outbox[0].subject,
+            '%sA new version of django-cas-server is available' % settings.EMAIL_SUBJECT_PREFIX
+        )
+
+        models.NewVersionWarning.send_mails()
+        self.assertEqual(len(mail.outbox), 1)
+
+    @mock.patch("cas_server.models.VERSION", "1.2.3")
+    def test_send_mails_same_version(self):
+        """test the send_mails method with with current version being the last"""
+        models.NewVersionWarning.objects.create(version="0.1.2")
+        models.NewVersionWarning.send_mails()
+        self.assertEqual(len(mail.outbox), 0)
+
+    @override_settings(ADMINS=[])
+    def test_send_mails_no_admins(self):
+        """test the send_mails method without ADMINS"""
+        models.NewVersionWarning.send_mails()
+        self.assertEqual(len(mail.outbox), 0)
+
+    @override_settings(CAS_NEW_VERSION_EMAIL_WARNING=False)
+    def test_send_mails_disabled(self):
+        """test the send_mails method if disabled"""
+        models.NewVersionWarning.send_mails()
+        self.assertEqual(len(mail.outbox), 0)

cas_server/tests/test_utils.py

@@ -11,8 +11,11 @@
 # (c) 2016 Valentin Samir
 """Tests module for utils"""
 from django.test import TestCase, RequestFactory
+from django.db import connection
 
 import six
+import warnings
+import datetime
 
 from cas_server import utils
 
@@ -128,16 +131,23 @@ class CheckPasswordCase(TestCase):
         with self.assertRaises(utils.LdapHashUserPassword.BadHash):
             utils.check_password("ldap", self.password1, b"TOTOssdsdsd", "utf8")
         for scheme in schemes_salt:
+            # bad length
             with self.assertRaises(utils.LdapHashUserPassword.BadHash):
                 utils.check_password("ldap", self.password1, scheme + b"dG90b3E8ZHNkcw==", "utf8")
+            # bad base64
+            with self.assertRaises(utils.LdapHashUserPassword.BadHash):
+                utils.check_password("ldap", self.password1, scheme + b"dG90b3E8ZHNkcw", "utf8")
 
     def test_hex(self):
         """test all the hex_HASH method: the hashed password is a simple hash of the password"""
         hashes = ["md5", "sha1", "sha224", "sha256", "sha384", "sha512"]
         hashed_password1 = []
-        for hash in hashes:
+        for hash_scheme in hashes:
             hashed_password1.append(
-                ("hex_%s" % hash, getattr(utils.hashlib, hash)(self.password1).hexdigest())
+                (
+                    "hex_%s" % hash_scheme,
+                    getattr(utils.hashlib, hash_scheme)(self.password1).hexdigest()
+                )
             )
         for (method, hp1) in hashed_password1:
             self.assertTrue(utils.check_password(method, self.password1, hp1, "utf8"))
@@ -208,3 +218,40 @@ class UtilsTestCase(TestCase):
         self.assertEqual(utils.get_tuple(test_tuple, 3), None)
         self.assertEqual(utils.get_tuple(test_tuple, 3, 'toto'), 'toto')
         self.assertEqual(utils.get_tuple(None, 3), None)
+
+    def test_last_version(self):
+        """
+            test the function last_version. An internet connection is needed, if you do not have
+            one, this test will fail and you should ignore it.
+        """
+        try:
+            # first check if pypi is available
+            utils.requests.get("https://pypi.python.org/simple/django-cas-server/")
+        except utils.requests.exceptions.RequestException:
+            warnings.warn(
+                (
+                    "Pypi seems not available, perhaps you do not have internet access. "
+                    "Consequently, the test cas_server.tests.test_utils.UtilsTestCase.test_last_"
+                    "version is ignored"
+                ),
+                RuntimeWarning
+            )
+        else:
+            version = utils.last_version()
+            self.assertIsInstance(version, six.text_type)
+            self.assertEqual(len(version.split('.')), 3)
+
+            # version is cached 24h so calling it a second time should return the save value
+            self.assertEqual(version, utils.last_version())
+
+    def test_dictfetchall(self):
+        """test the function dictfetchall"""
+        with connection.cursor() as curs:
+            curs.execute("SELECT * FROM django_migrations")
+            results = utils.dictfetchall(curs)
+            self.assertIsInstance(results, list)
+            self.assertTrue(len(results) > 0)
+            for result in results:
+                self.assertIsInstance(result, dict)
+                self.assertIn('applied', result)
+                self.assertIsInstance(result['applied'], datetime.datetime)

cas_server/tests/test_view.py

@@ -20,6 +20,7 @@ from django.utils import timezone
 
 import random
 import json
+import mock
 from lxml import etree
 from six.moves import range
 
@@ -47,6 +48,33 @@ class LoginTestCase(TestCase, BaseServicePattern, CanLogin):
         # we prepare a bunch a service url and service patterns for tests
         self.setup_service_patterns()
 
+    @override_settings(CAS_NEW_VERSION_HTML_WARNING=True)
+    @mock.patch("cas_server.utils.last_version", lambda: "1.2.3")
+    @mock.patch("cas_server.utils.VERSION", "0.1.2")
+    def test_new_version_available_ok(self):
+        """test the new version info box"""
+        client = Client()
+        response = client.get("/login")
+        self.assertIn(b"A new version of the application is available", response.content)
+
+    @override_settings(CAS_NEW_VERSION_HTML_WARNING=True)
+    @mock.patch("cas_server.utils.last_version", lambda: None)
+    @mock.patch("cas_server.utils.VERSION", "0.1.2")
+    def test_new_version_available_badpypi(self):
+        """
+            test the new version info box if pypi is not available (unable to retreive last version)
+        """
+        client = Client()
+        response = client.get("/login")
+        self.assertNotIn(b"A new version of the application is available", response.content)
+
+    @override_settings(CAS_NEW_VERSION_HTML_WARNING=False)
+    def test_new_version_available_disabled(self):
+        """test the new version info box is disabled"""
+        client = Client()
+        response = client.get("/login")
+        self.assertNotIn(b"A new version of the application is available", response.content)
+
     def test_login_view_post_goodpass_goodlt(self):
         """Test a successul login"""
         # we get a client who fetch a frist time the login page and the login form default
@@ -309,7 +337,7 @@ class LoginTestCase(TestCase, BaseServicePattern, CanLogin):
             response = client.get("/login", {'service': service})
             # the ticket is not created and a warning is displayed to the user
             self.assertEqual(response.status_code, 200)
-            self.assertTrue(b"User charateristics non allowed" in response.content)
+            self.assertTrue(b"User characteristics non allowed" in response.content)
 
         # same but with rectriction that a valid upon the test user attributes
         response = client.get("/login", {'service': self.service_filter_success})
@@ -327,7 +355,7 @@ class LoginTestCase(TestCase, BaseServicePattern, CanLogin):
         response = client.get("/login", {'service': self.service_field_needed_fail})
         # the ticket is not created and a warning is displayed to the user
         self.assertEqual(response.status_code, 200)
-        self.assertTrue(b"The attribut uid is needed to use that service" in response.content)
+        self.assertTrue(b"The attribute uid is needed to use that service" in response.content)
 
         # same but with a attribute that the test user has
         response = client.get("/login", {'service': self.service_field_needed_success})
@@ -351,7 +379,7 @@ class LoginTestCase(TestCase, BaseServicePattern, CanLogin):
         response = client.get("/login", {"service": self.service_field_needed_success})
         # the ticket is not created and a warning is displayed to the user
         self.assertEqual(response.status_code, 200)
-        self.assertTrue(b"The attribut alias is needed to use that service" in response.content)
+        self.assertTrue(b"The attribute alias is needed to use that service" in response.content)
 
     def test_gateway(self):
         """test gateway parameter"""

cas_server/tests/utils.py

@@ -12,8 +12,9 @@
 """Some utils functions for tests"""
 from cas_server.default_settings import settings
 
+import django
 from django.test import Client
-from django.template import loader, Context
+from django.template import loader
 from django.utils import timezone
 
 import cgi
@@ -21,13 +22,25 @@ import six
 from threading import Thread
 from lxml import etree
 from six.moves import BaseHTTPServer
-from six.moves.urllib.parse import urlparse, parse_qsl
+from six.moves.urllib.parse import urlparse, parse_qsl, parse_qs
 from datetime import timedelta
 
 from cas_server import models
 from cas_server import utils
 
 
+if django.VERSION < (1, 8):
+    from django.template import Context
+else:
+    def Context(arg):
+        """
+            Starting from django 1.8 render take a dict and deprecated the use of a Context.
+            So this is the identity function, only use for compatibility with django 1.7 where
+            render MUST take a Context as argument.
+        """
+        return arg
+
+
 def return_unicode(string, charset):
     """make `string` a unicode if `string` is a unicode or bytes encoded with `charset`"""
     if not isinstance(string, six.text_type):
@@ -166,7 +179,7 @@ class HttpParamsHandler(BaseHTTPServer.BaseHTTPRequestHandler):
             postvars = cgi.parse_multipart(self.rfile, pdict)
         elif ctype == 'application/x-www-form-urlencoded':
             length = int(self.headers.get('content-length'))
-            postvars = cgi.parse_qs(self.rfile.read(length), keep_blank_values=1)
+            postvars = parse_qs(self.rfile.read(length), keep_blank_values=1)
         else:
             postvars = {}
         self.server.PARAMS = postvars

cas_server/urls.py

@@ -16,8 +16,10 @@ from django.views.decorators.debug import sensitive_post_parameters, sensitive_v
 
 from cas_server import views
 
+app_name = "cas_server"
+
 urlpatterns = [
-    url(r'^$', RedirectView.as_view(pattern_name="cas_server:login")),
+    url(r'^$', RedirectView.as_view(pattern_name="cas_server:login", permanent=False)),
     url(
         '^login$',
         sensitive_post_parameters('password')(
@@ -51,8 +53,8 @@ urlpatterns = [
     url('^samlValidate$', views.SamlValidate.as_view(), name='samlValidate'),
     url(
         '^auth$',
-        sensitive_variables('password')(
+        sensitive_variables('password', 'secret')(
-            sensitive_post_parameters('password')(
+            sensitive_post_parameters('password', 'secret')(
                 views.Auth.as_view()
             )
         ),

cas_server/utils.py

@@ -25,11 +25,20 @@ import hashlib
 import crypt
 import base64
 import six
+import requests
+import time
+import logging
+import binascii
 
 from importlib import import_module
 from datetime import datetime, timedelta
 from six.moves.urllib.parse import urlparse, urlunparse, parse_qsl, urlencode
 
+from . import VERSION
+
+#: logger facility
+logger = logging.getLogger(__name__)
+
 
 def json_encode(obj):
     """Encode a python object to json"""
@@ -51,6 +60,14 @@ def context(params):
     """
     params["settings"] = settings
     params["message_levels"] = DEFAULT_MESSAGE_LEVELS
+    if settings.CAS_NEW_VERSION_HTML_WARNING:
+        LAST_VERSION = last_version()
+        params["VERSION"] = VERSION
+        params["LAST_VERSION"] = LAST_VERSION
+        if LAST_VERSION is not None:
+            params["upgrade_available"] = decode_version(VERSION) < decode_version(LAST_VERSION)
+        else:
+            params["upgrade_available"] = False
     return params
 
 
@@ -545,7 +562,10 @@ class LdapHashUserPassword(object):
         elif scheme == b'{CRYPT}':
             return b'$'.join(hashed_passord.split(b'$', 3)[:-1])[len(scheme):]
         else:
+            try:
                 hashed_passord = base64.b64decode(hashed_passord[len(scheme):])
+            except (TypeError, binascii.Error) as error:
+                raise cls.BadHash("Bad base64: %s" % error)
             if len(hashed_passord) < cls._schemes_to_len[scheme]:
                 raise cls.BadHash("Hash too short for the scheme %s" % scheme)
             return hashed_passord[cls._schemes_to_len[scheme]:]
@@ -563,7 +583,7 @@ def check_password(method, password, hashed_password, charset):
         :param hashed_password: The hashed password as stored in the database
         :type hashed_password: :obj:`str` or :obj:`unicode`
         :param str charset: The used char encoding (also used internally, so it must be valid for
-            the charset used by ``password`` even if it is inputed as an :obj:`unicode`)
+            the charset used by ``password`` when it was initially )
         :return: True if ``password`` match ``hashed_password`` using ``method``,
             ``False`` otherwise
         :rtype: bool
@@ -603,3 +623,60 @@ def check_password(method, password, hashed_password, charset):
         )(password).hexdigest().encode("ascii") == hashed_password.lower()
     else:
         raise ValueError("Unknown password method check %r" % method)
+
+
+def decode_version(version):
+    """
+        decode a version string following version semantic http://semver.org/ input a tuple of int
+
+        :param unicode version: A dotted version
+        :return: A tuple a int
+        :rtype: tuple
+    """
+    return tuple(int(sub_version) for sub_version in version.split('.'))
+
+
+def last_version():
+    """
+        Fetch the last version from pypi and return it. On successful fetch from pypi, the response
+        is cached 24h, on error, it is cached 10 min.
+
+        :return: the last django-cas-server version
+        :rtype: unicode
+    """
+    try:
+        last_update, version, success = last_version._cache
+    except AttributeError:
+        last_update = 0
+        version = None
+        success = False
+    cache_delta = 24 * 3600 if success else 600
+    if (time.time() - last_update) < cache_delta:
+        return version
+    else:
+        try:
+            req = requests.get(settings.CAS_NEW_VERSION_JSON_URL)
+            data = json.loads(req.text)
+            versions = list(data["releases"].keys())
+            versions.sort()
+            version = versions[-1]
+            last_version._cache = (time.time(), version, True)
+            return version
+        except (
+            KeyError,
+            ValueError,
+            requests.exceptions.RequestException
+        ) as error:  # pragma: no cover (should not happen unless pypi is not available)
+            logger.error(
+                "Unable to fetch %s: %s" % (settings.CAS_NEW_VERSION_JSON_URL, error)
+            )
+            last_version._cache = (time.time(), version, False)
+
+
+def dictfetchall(cursor):
+    "Return all rows from a django cursor as a dict"
+    columns = [col[0] for col in cursor.description]
+    return [
+        dict(zip(columns, row))
+        for row in cursor.fetchall()
+    ]

cas_server/views.py

@@ -147,9 +147,12 @@ class LogoutView(View, LogoutMixin):
         # current querystring
         if settings.CAS_FEDERATE:
             if auth is not None:
-                params = utils.copy_params(request.GET)
+                params = utils.copy_params(request.GET, ignore={"forget_provider"})
                 url = auth.get_logout_url()
-                return HttpResponseRedirect(utils.update_url(url, params))
+                response = HttpResponseRedirect(utils.update_url(url, params))
+                if request.GET.get("forget_provider"):
+                    response.delete_cookie("remember_provider")
+                return response
         # if service is set, redirect to service after logout
         if self.service:
             list(messages.get_messages(request))  # clean messages before leaving the django app
@@ -209,6 +212,7 @@ class LogoutView(View, LogoutMixin):
 
 class FederateAuth(View):
     """view to authenticated user agains a backend CAS then CAS_FEDERATE is True"""
+
     @method_decorator(csrf_exempt)  # csrf is disabled for allowing SLO requests reception
     def dispatch(self, request, *args, **kwargs):
         """
@@ -218,8 +222,7 @@ class FederateAuth(View):
         """
         return super(FederateAuth, self).dispatch(request, *args, **kwargs)
 
-    @staticmethod
+    def get_cas_client(self, request, provider, renew=False):
-    def get_cas_client(request, provider):
         """
             return a CAS client object matching provider
 
@@ -231,7 +234,8 @@ class FederateAuth(View):
         """
         # compute the current url, ignoring ticket dans provider GET parameters
         service_url = utils.get_current_url(request, {"ticket", "provider"})
-        return CASFederateValidateUser(provider, service_url)
+        self.service_url = service_url
+        return CASFederateValidateUser(provider, service_url, renew=renew)
 
     def post(self, request, provider=None):
         """
@@ -264,24 +268,16 @@ class FederateAuth(View):
             if form.is_valid():
                 params = utils.copy_params(
                     request.POST,
-                    ignore={"provider", "csrfmiddlewaretoken", "ticket"}
+                    ignore={"provider", "csrfmiddlewaretoken", "ticket", "lt"}
                 )
+                if params.get("renew") == "False":
+                    del params["renew"]
                 url = utils.reverse_params(
                     "cas_server:federateAuth",
                     kwargs=dict(provider=form.cleaned_data["provider"].suffix),
                     params=params
                 )
-                response = HttpResponseRedirect(url)
+                return HttpResponseRedirect(url)
-                # If the user has checked "remember my identity provider" store it in a cookie
-                if form.cleaned_data["remember"]:
-                    max_age = settings.CAS_FEDERATE_REMEMBER_TIMEOUT
-                    utils.set_cookie(
-                        response,
-                        "_remember_provider",
-                        form.cleaned_data["provider"].suffix,
-                        max_age
-                    )
-                return response
             else:
                 return redirect("cas_server:login")
 
@@ -296,22 +292,24 @@ class FederateAuth(View):
         if not settings.CAS_FEDERATE:
             logger.warning("CAS_FEDERATE is False, set it to True to use the federated mode")
             return redirect("cas_server:login")
+        renew = bool(request.GET.get('renew') and request.GET['renew'] != "False")
         # Is the user is already authenticated, no need to request authentication to the user
         # identity provider.
-        if self.request.session.get("authenticated"):
+        if self.request.session.get("authenticated") and not renew:
             logger.warning("User already authenticated, dropping federate authentication request")
             return redirect("cas_server:login")
         try:
             # get the identity provider from its suffix
             provider = FederatedIendityProvider.objects.get(suffix=provider)
             # get a CAS client for the user identity provider
-            auth = self.get_cas_client(request, provider)
+            auth = self.get_cas_client(request, provider, renew)
             # if no ticket submited, redirect to the identity provider CAS login page
             if 'ticket' not in request.GET:
                 logger.info("Trying to authenticate again %s" % auth.provider.server_url)
                 return HttpResponseRedirect(auth.get_login_url())
             else:
                 ticket = request.GET['ticket']
+                try:
                     # if the ticket validation succeed
                     if auth.verify_ticket(ticket):
                         logger.info(
@@ -320,23 +318,55 @@ class FederateAuth(View):
                                 auth.provider.server_url
                             )
                         )
-                    params = utils.copy_params(request.GET, ignore={"ticket"})
+                        params = utils.copy_params(request.GET, ignore={"ticket", "remember"})
                         request.session["federate_username"] = auth.federated_username
                         request.session["federate_ticket"] = ticket
-                    auth.register_slo(auth.federated_username, request.session.session_key, ticket)
+                        auth.register_slo(
+                            auth.federated_username,
+                            request.session.session_key,
+                            ticket
+                        )
                         # redirect to the the login page for the user to become authenticated
                         # thanks to the `federate_username` and `federate_ticket` session parameters
                         url = utils.reverse_params("cas_server:login", params)
-                    return HttpResponseRedirect(url)
+                        response = HttpResponseRedirect(url)
+                        # If the user has checked "remember my identity provider" store it in a
+                        # cookie
+                        if request.GET.get("remember"):
+                            max_age = settings.CAS_FEDERATE_REMEMBER_TIMEOUT
+                            utils.set_cookie(
+                                response,
+                                "remember_provider",
+                                provider.suffix,
+                                max_age
+                            )
+                        return response
                     # else redirect to the identity provider CAS login page
                     else:
                         logger.info(
-                        "Got a invalid ticket for %s from %s. Retrying to authenticate" % (
+                            (
-                            auth.username,
+                                "Got a invalid ticket %s from %s for service %s. "
-                            auth.provider.server_url
+                                "Retrying to authenticate"
+                            ) % (
+                                ticket,
+                                auth.provider.server_url,
+                                self.service_url
                             )
                         )
                         return HttpResponseRedirect(auth.get_login_url())
+                # both xml.etree.ElementTree and lxml.etree exceptions inherit from SyntaxError
+                except SyntaxError as error:
+                    messages.add_message(
+                        request,
+                        messages.ERROR,
+                        _(
+                            u"Invalid response from your identity provider CAS upon "
+                            u"ticket %(ticket)s validation: %(error)r"
+                        ) % {'ticket': ticket, 'error': error}
+                    )
+                    response = redirect("cas_server:login")
+                    response.delete_cookie("remember_provider")
+                    return response
         except FederatedIendityProvider.DoesNotExist:
             logger.warning("Identity provider suffix %s not found" % provider)
             # if the identity provider is not found, redirect to the login page
@@ -407,7 +437,8 @@ class LoginView(View, LogoutMixin):
         self.warn = request.POST.get('warn')
         if settings.CAS_FEDERATE:
             self.username = request.POST.get('username')
-            self.ticket = request.POST.get('ticket')
+            # in federated mode, the valdated indentity provider CAS ticket is used as password
+            self.ticket = request.POST.get('password')
 
     def gen_lt(self):
         """Generate a new LoginTicket and add it to the list of valid LT for the user"""
@@ -451,7 +482,7 @@ class LoginView(View, LogoutMixin):
             messages.add_message(
                 self.request,
                 messages.ERROR,
-                _(u"Invalid login ticket")
+                _(u"Invalid login ticket, please retry to login")
             )
         elif ret == self.USER_LOGIN_OK:
             # On successful login, update the :class:`models.User<cas_server.models.User>` ``date``
@@ -477,7 +508,17 @@ class LoginView(View, LogoutMixin):
         else:  # pragma: no cover (should no happen)
             raise EnvironmentError("invalid output for LoginView.process_post")
         # call the GET/POST common part
-        return self.common()
+        response = self.common()
+        if self.warn:
+            utils.set_cookie(
+                response,
+                "warn",
+                "on",
+                10 * 365 * 24 * 3600
+            )
+        else:
+            response.delete_cookie("warn")
+        return response
 
     def process_post(self):
         """
@@ -586,7 +627,9 @@ class LoginView(View, LogoutMixin):
         form_initial = {
             'service': self.service,
             'method': self.method,
-            'warn': self.warn or self.request.session.get("warn"),
+            'warn': (
+                self.warn or self.request.session.get("warn") or self.request.COOKIES.get('warn')
+            ),
             'lt': self.request.session['lt'][-1],
             'renew': self.renew
         }
@@ -683,14 +726,14 @@ class LoginView(View, LogoutMixin):
             messages.add_message(
                 self.request,
                 messages.ERROR,
-                _(u"User charateristics non allowed")
+                _(u"User characteristics non allowed")
             )
         except models.UserFieldNotDefined:
             error = 4
             messages.add_message(
                 self.request,
                 messages.ERROR,
-                _(u"The attribut %(field)s is needed to use"
+                _(u"The attribute %(field)s is needed to use"
                   u" that service") % {'field': service_pattern.user_field}
             )
 
@@ -817,19 +860,37 @@ class LoginView(View, LogoutMixin):
                     )
                 else:
                     if (
-                        self.request.COOKIES.get('_remember_provider') and
+                        self.request.COOKIES.get('remember_provider') and
                         FederatedIendityProvider.objects.filter(
-                            suffix=self.request.COOKIES['_remember_provider']
+                            suffix=self.request.COOKIES['remember_provider']
                         )
                     ):
                         params = utils.copy_params(self.request.GET)
                         url = utils.reverse_params(
                             "cas_server:federateAuth",
                             params=params,
-                            kwargs=dict(provider=self.request.COOKIES['_remember_provider'])
+                            kwargs=dict(provider=self.request.COOKIES['remember_provider'])
                         )
                         return HttpResponseRedirect(url)
                     else:
+                        # if user is authenticated and auth renewal is requested, redirect directly
+                        # to the user identity provider
+                        if self.renew and self.request.session.get("authenticated"):
+                            try:
+                                user = FederatedUser.get_from_federated_username(
+                                    self.request.session.get("username")
+                                )
+                                params = utils.copy_params(self.request.GET)
+                                url = utils.reverse_params(
+                                    "cas_server:federateAuth",
+                                    params=params,
+                                    kwargs=dict(provider=user.provider.suffix)
+                                )
+                                return HttpResponseRedirect(url)
+                            # Should normally not happen: if the user is logged, it exists in the
+                            # database.
+                            except FederatedUser.DoesNotExist:  # pragma: no cover
+                                pass
                         return render(
                             self.request,
                             settings.CAS_LOGIN_TEMPLATE,

requirements-dev.txt

@@ -1,10 +1,12 @@
 setuptools>=5.5
+requests>=2.4
+requests_futures>=0.9.5
+lxml>=3.4
+six>=1.8
 tox>=1.8.1
 pytest>=2.6.4
 pytest-django>=2.8.0
 pytest-pythonpath>=0.3
+pytest-warnings
 pytest-cov>=2.2.1
-requests>=2.4
+mock>=1
-requests_futures>=0.9.5
-lxml>=3.4
-six>=1

requirements.txt

@@ -1,6 +1,6 @@
-Django >= 1.8,<1.10
+Django >= 1.7.1,<1.10
 setuptools>=5.5
 requests>=2.4
 requests_futures>=0.9.5
 lxml>=3.4
-six>=1
+six>=1.8

setup.py

@@ -1,8 +1,7 @@
 import os
 import pkg_resources
 from setuptools import setup
-
+from cas_server import VERSION
-VERSION = '0.6.1'
 
 with open(os.path.join(os.path.dirname(__file__), 'README.rst')) as readme:
     README = readme.read()
@@ -30,7 +29,7 @@ if __name__ == '__main__':
         author_email='valentin.samir@crans.org',
         classifiers=[
             'Environment :: Web Environment',
-            'evelopment Status :: 5 - Production/Stable',
+            'Development Status :: 5 - Production/Stable',
             'Framework :: Django',
             'Framework :: Django :: 1.7',
             'Framework :: Django :: 1.8',
@@ -66,5 +65,5 @@ if __name__ == '__main__':
         download_url="https://github.com/nitmir/django-cas-server/releases",
         zip_safe=False,
         setup_requires=['pytest-runner'],
-        tests_require=['pytest', 'pytest-django', 'pytest-pythonpath'],
+        tests_require=['pytest', 'pytest-django', 'pytest-pythonpath', 'pytest-warnings', 'mock>=1'],
     )

tox.ini

@@ -31,7 +31,7 @@ whitelist_externals=
 
 [testenv]
 commands=
-    py.test {posargs:cas_server/tests/}
+    py.test -rw {posargs:cas_server/tests/}
     {[post_cmd]commands}
 whitelist_externals={[post_cmd]whitelist_externals}