mirror of
https://github.com/kakwa/ldapcherry
synced 2024-11-22 09:24:21 +01:00
better exception handling in ldap backend
This commit is contained in:
kakwa
parent
1346bbe820
commit
373d897cab
@ -22,7 +22,6 @@ DISPLAYED_ATTRS = 1
|
||||
LISTED_ATTRS = 2
|
||||
ALL_ATTRS = 3
|
||||
|
||||
|
||||
class Backend(ldapcherry.backend.Backend):
|
||||
|
||||
def __init__(self, config, logger, name, attrslist, key):
|
||||
@ -56,6 +55,61 @@ class Backend(ldapcherry.backend.Backend):
|
||||
for a in attrslist:
|
||||
self.attrlist.append(self._str(a))
|
||||
|
||||
def _exception_handler(self, e):
|
||||
et = type(e)
|
||||
if et is ldap.OPERATIONS_ERROR:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "cannot use starttls with ldaps:// uri (uri: " + self.uri + ")",
|
||||
)
|
||||
elif et is ldap.INVALID_CREDENTIALS:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Configuration error, wrong credentials, unable to connect to ldap with '" + self.binddn + "'",
|
||||
)
|
||||
elif et is ldap.SERVER_DOWN:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Unable to contact ldap server '" + self.uri + "', check 'auth.ldap.uri' and ssl/tls configuration",
|
||||
)
|
||||
elif et is ldap.FILTER_ERROR:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Bad search filter, check '" + self.backend_name + ".*_filter_tmpl' params",
|
||||
)
|
||||
elif et is ldap.NO_SUCH_OBJECT:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Search DN '" + basedn \
|
||||
+ "' doesn't exist, check '" \
|
||||
+ self.backend_name + ".userdn' or '" \
|
||||
+ self.backend_name + ".groupdn'",
|
||||
)
|
||||
elif et is ldap.OBJECT_CLASS_VIOLATION:
|
||||
info = e[0]['info']
|
||||
desc = e[0]['desc']
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Configuration error, " + desc + ", " + info,
|
||||
)
|
||||
elif et is ldap.INSUFFICIENT_ACCESS:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Access error on '" + self.backend_name + "' backend, please check your acls in this backend",
|
||||
)
|
||||
elif et is ldap.ALREADY_EXISTS:
|
||||
desc = e[0]['desc']
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "adding user failed, " + desc,
|
||||
)
|
||||
else:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "unknow ldap exception in ldap backend",
|
||||
)
|
||||
raise e
|
||||
|
||||
def _connect(self):
|
||||
ldap_client = ldap.initialize(self.uri)
|
||||
ldap_client.set_option(ldap.OPT_REFERRALS, 0)
|
||||
@ -75,33 +129,17 @@ class Backend(ldapcherry.backend.Backend):
|
||||
if self.starttls == 'on':
|
||||
try:
|
||||
ldap_client.start_tls_s()
|
||||
except ldap.OPERATIONS_ERROR as e:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "cannot use starttls with ldaps:// uri (uri: " + self.uri + ")",
|
||||
)
|
||||
raise e
|
||||
#raise cherrypy.HTTPError("500", "Configuration Error, contact administrator")
|
||||
except Exception as e:
|
||||
self._exception_handler(e)
|
||||
return ldap_client
|
||||
|
||||
def _bind(self):
|
||||
ldap_client = self._connect()
|
||||
try:
|
||||
ldap_client.simple_bind_s(self.binddn, self.bindpassword)
|
||||
except ldap.INVALID_CREDENTIALS as e:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Configuration error, wrong credentials, unable to connect to ldap with '" + self.binddn + "'",
|
||||
)
|
||||
except Exception as e:
|
||||
ldap_client.unbind_s()
|
||||
raise e
|
||||
except ldap.SERVER_DOWN as e:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Unable to contact ldap server '" + self.uri + "', check 'auth.ldap.uri' and ssl/tls configuration",
|
||||
)
|
||||
ldap_client.unbind_s()
|
||||
raise e
|
||||
self._exception_handler(e)
|
||||
return ldap_client
|
||||
|
||||
def _search(self, searchfilter, attrs, basedn):
|
||||
@ -124,23 +162,9 @@ class Backend(ldapcherry.backend.Backend):
|
||||
searchfilter,
|
||||
attrlist=attrlist
|
||||
)
|
||||
except ldap.FILTER_ERROR as e:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Bad search filter, check '" + self.backend_name + ".*_filter_tmpl' params",
|
||||
)
|
||||
except Exception as e:
|
||||
ldap_client.unbind_s()
|
||||
raise e
|
||||
except ldap.NO_SUCH_OBJECT as e:
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Search DN '" + basedn \
|
||||
+ "' doesn't exist, check '" \
|
||||
+ self.backend_name + ".userdn' or '" \
|
||||
+ self.backend_name + ".groupdn'",
|
||||
)
|
||||
ldap_client.unbind_s()
|
||||
raise e
|
||||
self._exception_handler(e)
|
||||
|
||||
ldap_client.unbind_s()
|
||||
return r
|
||||
@ -193,32 +217,9 @@ class Backend(ldapcherry.backend.Backend):
|
||||
ldif = modlist.addModlist(attrs_str)
|
||||
try:
|
||||
ldap_client.add_s(dn,ldif)
|
||||
except ldap.OBJECT_CLASS_VIOLATION as e:
|
||||
info = e[0]['info']
|
||||
desc = e[0]['desc']
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Configuration error, " + desc + ", " + info,
|
||||
)
|
||||
except Exception as e:
|
||||
ldap_client.unbind_s()
|
||||
raise e
|
||||
except ldap.INSUFFICIENT_ACCESS as e:
|
||||
info = e[0]['info']
|
||||
desc = e[0]['desc']
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "Access error, " + desc + ", " + info,
|
||||
)
|
||||
ldap_client.unbind_s()
|
||||
raise e
|
||||
except ldap.ALREADY_EXISTS as e:
|
||||
desc = e[0]['desc']
|
||||
self._logger(
|
||||
severity = logging.ERROR,
|
||||
msg = "adding user failed, " + desc,
|
||||
)
|
||||
ldap_client.unbind_s()
|
||||
raise e
|
||||
self._exception_handler(e)
|
||||
ldap_client.unbind_s()
|
||||
|
||||
def del_user(self, username):
|
||||
@ -244,7 +245,11 @@ class Backend(ldapcherry.backend.Backend):
|
||||
else:
|
||||
old = {}
|
||||
ldif = modlist.modifyModlist(old, new)
|
||||
try:
|
||||
ldap_client.modify_s(dn, ldif)
|
||||
except Exception as e:
|
||||
ldap_client.unbind_s()
|
||||
self._exception_handler(e)
|
||||
|
||||
ldap_client.unbind_s()
|
||||
|
||||
@ -272,6 +277,9 @@ class Backend(ldapcherry.backend.Backend):
|
||||
msg = "%(backend)s: user '%(user)s' already member of group '%(group)s' (attribute '%(attr)s')" % \
|
||||
{ 'user': username, 'group': group, 'attr': attr, 'backend': self.backend_name}
|
||||
)
|
||||
except Exception as e:
|
||||
ldap_client.unbind_s()
|
||||
self._exception_handler(e)
|
||||
ldap_client.unbind_s()
|
||||
|
||||
def del_from_groups(self, username, groups):
|
||||
@ -288,7 +296,14 @@ class Backend(ldapcherry.backend.Backend):
|
||||
try:
|
||||
ldap_client.modify_s(group, ldif)
|
||||
except ldap.NO_SUCH_ATTRIBUTE as e:
|
||||
pass
|
||||
self._logger(
|
||||
severity = logging.INFO,
|
||||
msg = "%(backend)s: user '%(user)s' wasn't member of group '%(group)s' (attribute '%(attr)s')" % \
|
||||
{ 'user': username, 'group': group, 'attr': attr, 'backend': self.backend_name}
|
||||
)
|
||||
except Exception as e:
|
||||
ldap_client.unbind_s()
|
||||
self._exception_handler(e)
|
||||
ldap_client.unbind_s()
|
||||
|
||||
def search(self, searchstring):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user