PapaTutuWawa/etesync-server
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PapaTutuWawa 2020-11-14 16:44:45 +01:00
parent 6751502e21
commit 2d11c82e32
2 changed files with 52 additions and 41 deletions
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44
etebase_server/settings.py
View File

@ -96,10 +96,18 @@ WSGI_APPLICATION = "etebase_server.wsgi.application"
# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators
AUTH_PASSWORD_VALIDATORS = [
{"NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",},
{"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",},
{"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",},
{"NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",},
{
"NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
},
{
"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
},
{
"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
},
{
"NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
},
]
@ -128,10 +136,12 @@ STATIC_ROOT = os.environ.get("DJANGO_STATIC_ROOT", os.path.join(BASE_DIR, "stati
MEDIA_ROOT = os.environ.get("DJANGO_MEDIA_ROOT", os.path.join(BASE_DIR, "media"))
MEDIA_URL = "/user-media/"
ETEBASE_API_PERMISSIONS = ['rest_framework.permissions.IsAuthenticated']
ETEBASE_API_AUTHENTICATORS = ('django_etebase.token_auth.authentication.TokenAuthentication',
'rest_framework.authentication.SessionAuthentication')
ETEBASE_CREATE_USER_FUNC = 'django_etebase.utils.create_user_blocked'
ETEBASE_API_PERMISSIONS = ["rest_framework.permissions.IsAuthenticated"]
ETEBASE_API_AUTHENTICATORS = (
"django_etebase.token_auth.authentication.TokenAuthentication",
"rest_framework.authentication.SessionAuthentication",
)
ETEBASE_CREATE_USER_FUNC = "django_etebase.utils.create_user_blocked"
# Define where to find configuration files
config_locations = [
@ -169,17 +179,17 @@ if any(os.path.isfile(x) for x in config_locations):
if "database" in config:
DATABASES = {"default": {x.upper(): y for x, y in config.items("database")}}
if 'ldap' in config:
ldap = config['ldap']
LDAP_SERVER = ldap.get('server', '')
LDAP_SEARCH_BASE = ldap.get('search_base', '')
LDAP_FILTER = ldap.get('filter', '')
LDAP_BIND_DN = ldap.get('bind_dn', '')
LDAP_BIND_PW = ldap.get('bind_pw', '')
if "ldap" in config:
ldap = config["ldap"]
LDAP_SERVER = ldap.get("server", "")
LDAP_SEARCH_BASE = ldap.get("search_base", "")
LDAP_FILTER = ldap.get("filter", "")
LDAP_BIND_DN = ldap.get("bind_dn", "")
LDAP_BIND_PW = ldap.get("bind_pw", "")
# Configure EteBase to use LDAP
ETEBASE_CREATE_USER_FUNC = 'myauth.ldap.create_user'
ETEBASE_API_PERMISSIONS.append('myauth.ldap.LDAPUserExists')
ETEBASE_CREATE_USER_FUNC = "myauth.ldap.create_user"
ETEBASE_API_PERMISSIONS.append("myauth.ldap.LDAPUserExists")
# Make an `etebase_server_settings` module available to override settings.
try:

47
myauth/ldap.py
View File

@ -9,8 +9,9 @@ import ldap
def ldap_setting(name, default):
'''Wrapper around django.conf.settings'''
return getattr(settings, f'LDAP_{name}', default)
"""Wrapper around django.conf.settings"""
return getattr(settings, f"LDAP_{name}", default)
class LDAPConnection:
__instance__ = None
@ -18,7 +19,7 @@ class LDAPConnection:
@staticmethod
def get_instance():
'''To get a Singleton'''
"""To get a Singleton"""
if not LDAPConnection.__instance__:
return LDAPConnection()
else:
@ -26,18 +27,17 @@ class LDAPConnection:
def __init__(self):
# Cache some settings
self.__LDAP_FILTER = ldap_setting('FILTER', '')
self.__LDAP_SEARCH_BASE = ldap_setting('SEARCH_BASE', '')
self.__LDAP_FILTER = ldap_setting("FILTER", "")
self.__LDAP_SEARCH_BASE = ldap_setting("SEARCH_BASE", "")
self.__ldap_connection = ldap.initialize(ldap_setting('SERVER', ''))
self.__ldap_connection = ldap.initialize(ldap_setting("SERVER", ""))
try:
self.__ldap_connection.simple_bind_s(ldap_setting('BIND_DN', ''),
ldap_setting('BIND_PW', ''))
self.__ldap_connection.simple_bind_s(ldap_setting("BIND_DN", ""), ldap_setting("BIND_PW", ""))
except ldap.LDAPError as err:
logging.error(f'LDAP Error occuring during bind: {err.desc}')
logging.error(f"LDAP Error occuring during bind: {err.desc}")
def __is_cache_valid(self, username):
'''Returns True if the cache entry is still valid. Returns False otherwise.'''
"""Returns True if the cache entry is still valid. Returns False otherwise."""
if username in self.__user_cache:
if timezone.now() <= self.__user_cache[username]:
# Cache entry is still valid
@ -48,26 +48,24 @@ class LDAPConnection:
del self.__user_cache[username]
def has_user(self, username):
'''
"""
Since we don't care about the password and so authentication
another way, all we care about is whether the user exists.
'''
"""
if self.__is_cache_valid(username):
return True
if username in self.__user_cache:
self.__remove_cache(username)
filterstr = self.__LDAP_FILTER.replace('%s', username)
filterstr = self.__LDAP_FILTER.replace("%s", username)
try:
result = self.__ldap_connection.search_s(self.__LDAP_SEARCH_BASE,
ldap.SCOPE_SUBTREE,
filterstr=filterstr)
result = self.__ldap_connection.search_s(self.__LDAP_SEARCH_BASE, ldap.SCOPE_SUBTREE, filterstr=filterstr)
except ldap.NO_RESULTS_RETURNED:
# We handle the specific error first and the the generic error, as
# we may expect ldap.NO_RESULTS_RETURNED, but not any other error
return False
except ldap.LDAPError as err:
logging.error(f'Error occured while performing an LDAP query: {err.desc}')
logging.error(f"Error occured while performing an LDAP query: {err.desc}")
return False
if len(result) == 1:
@ -75,19 +73,22 @@ class LDAPConnection:
return True
return False
class LDAPUserExists(BasePermission):
'''
"""
A permission check which first checks with the LDAP directory if the user
exists.
'''
"""
def has_permission(self, request, view):
return LDAPConnection.get_instance().has_user(request.user.username)
def create_user(*args, **kwargs):
'''
"""
A create_user function which first checks if the user already exists in the
configured LDAP directory.
'''
if not LDAPConnection.get_instance().has_user(kwargs['username']):
raise PermissionDenied('User not in the LDAP directory.')
"""
if not LDAPConnection.get_instance().has_user(kwargs["username"]):
raise PermissionDenied("User not in the LDAP directory.")
return User.objects.create_user(*args, **kwargs)