from PLC.Persons import Persons,Person
from PLC.Sites import Sites,Site
from PLC.Nodes import Nodes,Node
+from PLC.Interfaces import Interfaces,Interface
+from PLC.Slices import Slices,Slice
class AuthorizeHelpers:
try: return Nodes(api,node_id_or_hostname)[0]['node_id'] in slice['node_ids']
except:return False
+ @staticmethod
+ def node_in_slice (api, caller_node, slice):
+ return caller_node['node_id'] in slice['node_ids']
+
@staticmethod
def node_id_in_site (api, node_id_or_hostname, site):
if isinstance (node_id_or_hostname,int):
def slice_belongs_to_pi (api, slice, pi):
return slice['site_id'] in pi['site_ids']
+ @staticmethod
+ def caller_is_node (api, caller, node):
+ return 'node_id' in caller and caller['node_id']==node['node_id']
+
# authorization methods - check if a given caller can set tag on this object
# called in {Add,Update,Delete}<Class>Tags methods, and in the accessors created in factory
# attach these as <Class>.caller_may_write_tag so accessors can find it
def caller_may_write_node_tag (node, api, caller, tag_type):
- if 'admin' in caller['roles']:
+ if 'roles' in caller and 'admin' in caller['roles']:
pass
elif not AuthorizeHelpers.caller_may_access_tag_type (api, caller, tag_type):
raise PLCPermissionDenied, "Role mismatch for writing tag %s"%(tag_type['tagname'])
elif AuthorizeHelpers.node_belongs_to_person (api, node, caller):
pass
+ elif AuthorizeHelpers.caller_is_node (api, caller, node):
+ pass
else:
raise PLCPermissionDenied, "Writing node tag: must belong in the same site as %s"%\
(node['hostname'])
def caller_may_write_interface_tag (interface, api, caller, tag_type):
- if 'admin' in caller['roles']:
+ if 'roles' in caller and 'admin' in caller['roles']:
pass
elif not AuthorizeHelpers.caller_may_access_tag_type (api, caller, tag_type):
raise PLCPermissionDenied, "Role mismatch for writing tag %s"%(tag_type['tagname'])
def caller_may_write_site_tag (site, api, caller, tag_type):
- if 'admin' in caller['roles']:
+ if 'roles' in caller and 'admin' in caller['roles']:
pass
elif not AuthorizeHelpers.caller_may_access_tag_type (api, caller, tag_type):
raise PLCPermissionDenied, "Role mismatch for writing tag %s"%(tag_type['tagname'])
def caller_may_write_person_tag (person, api, caller, tag_type):
- if 'admin' in caller['roles']:
+ if 'roles' in caller and 'admin' in caller['roles']:
pass
# user can change tags on self
elif AuthorizeHelpers.person_may_access_person (api, caller, person):
def caller_may_write_slice_tag (slice, api, caller, tag_type, node_id_or_hostname=None, nodegroup_id_or_name=None):
granted=False
- if 'admin' in caller['roles']:
+ reason=""
+ if 'roles' in caller and 'admin' in caller['roles']:
granted=True
# does caller have right role(s) ? this knows how to deal with caller being a node
elif not AuthorizeHelpers.caller_may_access_tag_type (api, caller, tag_type):
+ reason="caller may not access this tag type"
granted=False
# node callers: check the node is in the slice
elif isinstance(caller, Node):
# nodes can only set their own sliver tags
if node_id_or_hostname is None:
+ reason="wrong node caller"
granted=False
elif not AuthorizeHelpers.node_match_id (api, caller, node_id_or_hostname):
+ reason="node mismatch"
granted=False
elif not AuthorizeHelpers.node_in_slice (api, caller, slice):
+ reason="slice not in node"
granted=False
+ else:
+ granted=True
# caller is a non-admin person
else:
# only admins can handle slice tags on a nodegroup
raise PLCPermissionDenied, "%s, node must be in slice when setting sliver tag"
# try all roles to find a match - tech are ignored b/c not in AddSliceTag.roles anyways
for role in AuthorizeHelpers.person_tag_type_common_roles(api,caller,tag_type):
+ reason="user not in slice; or slice does not belong to pi's site"
# regular users need to be in the slice
if role=='user':
if AuthorizeHelpers.person_in_slice(api, caller, slice):
if AuthorizeHelpers.slice_belongs_to_pi (api, slice, caller):
granted=True ; break
if not granted:
- raise PLCPermissionDenied, "Cannot write slice tag %s"%(tag_type['tagname'])
+# try: print "DEBUG: caller=%s"%caller
+# except: pass
+ raise PLCPermissionDenied, "Cannot write slice tag %s - %s"%(tag_type['tagname'],reason)
setattr(Slice,'caller_may_write_tag',caller_may_write_slice_tag)