security-and-privacy/ldapcherry
security-and-privacy/ldapcherry
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mirror of https://github.com/kakwa/ldapcherry synced 2024-11-22 17:34:21 +01:00
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implementing roles resolution from list of groups

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kakwa 2015-05-16 18:44:02 +02:00
parent 7524a189fe
commit 3889a441a3
1 changed files with 55 additions and 2 deletions
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57
ldapcherry/roles.py
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@ -38,11 +38,14 @@ class Roles:
self._nest() self._nest()
def _is_parent(self, roleid1, roleid2): def _is_parent(self, roleid1, roleid2):
"""Test if roleid1 is contained inside roleid2"""
role2 = self.roles_raw[roleid2] role2 = self.roles_raw[roleid2]
role1 = self.roles_raw[roleid1] role1 = self.roles_raw[roleid1]
if role1 == role2: if role1 == role2:
return False return False
# Check if role1 is contained by role2 # Check if role1 is contained by role2
for b1 in role1['backends']: for b1 in role1['backends']:
if not b1 in role2['backends']: if not b1 in role2['backends']:
@ -50,6 +53,8 @@ class Roles:
for group in role1['backends'][b1]['groups']: for group in role1['backends'][b1]['groups']:
if not group in role2['backends'][b1]['groups']: if not group in role2['backends'][b1]['groups']:
return False return False
# If role2 is inside role1, roles are equal, throw exception
for b2 in role2['backends']: for b2 in role2['backends']:
if not b2 in role1['backends']: if not b2 in role1['backends']:
return True return True
@ -108,12 +113,60 @@ class Roles:
self.roles[p] = nest(p) self.roles[p] = nest(p)
def dump_nest(self): def dump_nest(self):
"""write the nested role hierarchy to a file""" """dump the nested role hierarchy"""
return yaml.dump(self.roles, Dumper=CustomDumper) return yaml.dump(self.roles, Dumper=CustomDumper)
def _check_member(role, groups, notroles, roles, parentroles, usedgroups):
if role in notroles:
return False
if not (role in parentroles or role in roles):
for b in self.roles[role]['backends']:
for g in self.roles[role]['backends'][b]['groups']:
if b not in groups:
notroles.add(role)
return False
if not g in groups[b]:
notroles.add(role)
return False
for b in self.roles[role]['backends']:
if not b in usedgroups:
usedgroups[b] = Set([])
for g in self.roles[role]['backends'][b]['groups']:
usedgroups[b].add(g)
flag = True
for subrole in self.roles[role]['subroles']:
flag = flag and not self._check_member(subrole, groups, notroles, roles, parentroles, usedgroups)
if flag:
roles.add(role)
else:
if role in roles:
roles.remove(role)
parentroles.add(role)
return True
def get_roles(self, groups): def get_roles(self, groups):
"""get list of roles and list of standalone groups""" """get list of roles and list of standalone groups"""
pass roles = Set([])
parentroles = Set([])
notroles = Set([])
usedgroups = {}
unusedgroups = {}
ret = {}
for r in self.roles:
self._check_member(role, groups, notroles, roles, parentroles, usedgroups)
for b in groups:
for g in groups[b]:
if not b in usedgroups or not g in usedgroups[b]:
if b not in unusedgroups:
unusedgroups[b] = Set([])
unusedgroups[b].add(g)
ret['roles'] = roles
ret['unusedgroups'] = unusedgroups
return ret
def get_groups(self, roles): def get_groups(self, roles):
"""get the list of groups from roles""" """get the list of groups from roles"""