def decode_urn(urn):
"""Returns authority, type and name associated with the URN as string.
example call:
authority, typ, name = decode_urn("urn:publicid:IDN+eict.de+user+motine")
"""
urn = URN(urn=str(urn))
return urn.getAuthority(), urn.getType(), urn.getName()
def create_cert(urn,
issuer_key=None,
issuer_cert=None,
ca=False,
public_key=None,
lifeDays=1825,
email=None,
uuidarg=None):
'''Create a new certificate and return it and the associated keys.
If issuer cert and key are given, they sign the certificate. Otherwise
it is a self-signed certificate.
If ca then mark this as a CA certificate (can sign other certs).
lifeDays is the lifetime of the supplied cert - default is 1825 (5 years).
Certificate URN must be supplied.
CN of the cert will be dotted notation authority.type.name from the URN.
'''
# Note the below throws a ValueError if it wasnt a valid URN
c_urn = URN(urn=urn)
dotted = '%s.%s.%s' % (c_urn.getAuthority(), c_urn.getType(),
c_urn.getName())
subject = dict()
subject['CN'] = dotted[:64]
if email:
subject['emailAddress'] = email
uuidI = None
if uuidarg:
uuidO = None
if isinstance(uuidarg, uuid.UUID):
uuidO = uuidarg
else:
try:
uuidO = uuid.UUID(uuidarg)
except:
try:
uuidO = uuid.UUID(int=uuidarg)
except Exception, e:
try:
uuidO = uuid.UUID(int=int(uuidarg))
except Exception, e:
try:
uuidO = uuid.UUID(fields=uuidarg)
except:
try:
uuidO = uuid.UUID(bytes=uuidarg)
except:
try:
uuidO = uuid.UUID(bytes_le=uuidarg)
except:
pass
def create_cert(urn, issuer_key=None, issuer_cert=None, ca=False,
public_key=None, lifeDays=1825, email=None, uuidarg=None, serial_number=0):
'''Create a new certificate and return it and the associated keys.
If issuer cert and key are given, they sign the certificate. Otherwise
it is a self-signed certificate.
If ca then mark this as a CA certificate (can sign other certs).
lifeDays is the lifetime of the supplied cert - default is 1825 (5 years).
Certificate URN must be supplied.
CN of the cert will be dotted notation authority.type.name from the URN.
'''
# Note the below throws a ValueError if it wasnt a valid URN
c_urn = URN(urn=urn)
dotted = '%s.%s.%s' % (c_urn.getAuthority(), c_urn.getType(), c_urn.getName())
subject = dict()
subject['CN'] = dotted[:64]
if email:
subject['emailAddress'] = email
uuidI = None
if uuidarg:
uuidO = None
if isinstance(uuidarg, uuid.UUID):
uuidO = uuidarg
else:
try:
uuidO = uuid.UUID(uuidarg)
except:
try:
uuidO = uuid.UUID(int=uuidarg)
except Exception, e:
try:
uuidO = uuid.UUID(int=int(uuidarg))
except Exception, e:
try:
uuidO = uuid.UUID(fields=uuidarg)
except:
try:
uuidO = uuid.UUID(bytes=uuidarg)
except:
try:
uuidO = uuid.UUID(bytes_le=uuidarg)
except:
pass
def encode_urn(authority, typ, name):
"""
Returns a URN string with the given {authority}, {typ}e and {name}.
{typ} shall be either of the following: authority, slice, user, sliver, (project or meybe others: http://groups.geni.net/geni/wiki/GeniApiIdentifiers#Type)
example call:
urn_str = encode_urn("eict.de", "user", "motine")
"""
return URN(authority=authority, type=typ, name=name).urn_string()