4 from geni.util.faults import *
5 from geni.util.method import Method
6 from geni.util.parameter import Parameter, Mixed
7 from geni.util.auth import Auth
8 from geni.util.certificate import Keypair
9 from geni.util.geniticket import *
11 class get_ticket(Method):
13 Retrieve a ticket. This operation is currently implemented on PLC
14 only (see SFA, engineering decisions); it is not implemented on
17 The ticket is filled in with information from the PLC database. This
18 information includes resources, and attributes such as user keys and
21 @param cred credential string
22 @param name name of the slice to retrieve a ticket for
23 @param rspec resource specification dictionary
25 @return the string representation of a ticket object
28 interfaces = ['registry']
31 Parameter(str, "Credential string"),
32 Parameter(str, "Human readable name of slice to retrive a ticket for (hrn)"),
33 Parameter(str, "Resource specification (rspec)")
36 returns = Parameter(str, "String represeneation of a ticket object")
38 def call(self, cred, hrn, rspec):
39 self.api.auth.check(cred, "getticket")
40 self.api.auth.verify_object_belongs_to_me(hrn)
41 self.api.auth.verify_object_permission(name)
43 # XXX much of this code looks like get_credential... are they so similar
44 # that they should be combined?
46 auth_hrn = self.api.auth.get_authority(hrn)
49 auth_info = self.api.auth.get_auth_info(auth_hrn)
51 table = self.api.auth.get_auth_table(auth_hrn)
52 record = table.resolve('slice', hrn)
54 object_gid = record.get_gid_object()
55 new_ticket = Ticket(subject = object_gid.get_subject())
56 new_ticket.set_gid_caller(self.client_gid)
57 new_ticket.set_gid_object(object_gid)
58 new_ticket.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
59 new_ticket.set_pubkey(object_gid.get_pubkey())
61 self.api.fill_record_info(record)
63 (attributes, rspec) = self.api.record_to_slice_info(record)
65 new_ticket.set_attributes(attributes)
66 new_ticket.set_rspec(rspec)
68 new_ticket.set_parent(self.api.auth.hierarchy.get_auth_ticket(auth_hrn))
73 return new_ticket.save_to_string(save_parents=True)