def test_eq(did, next_did):
same = DID(did)
did = DID(did)
next_did = DID(next_did)
assert did == same
assert did != next_did
assert did != {"not a": "did"}
def test_hash(did, next_did):
same = DID(did)
did = DID(did)
next_did = DID(next_did)
assert hash(did) == hash(same)
assert hash(did) != hash(next_did)
assert hash(did) != hash(123)
async def resolve(self, profile: Profile, did: Union[str, DID]) -> dict:
"""Resolve a DID using this resolver."""
if isinstance(did, DID):
did = str(did)
else:
DID.validate(did)
if not await self.supports(profile, did):
raise DIDMethodNotSupported(
f"{self.__class__.__name__} does not support DID method for: {did}"
)
return await self._resolve(profile, did)
async def _resolve(self, profile: Profile, did: str) -> dict:
"""Resolve an indy DID."""
ledger = profile.inject(BaseLedger, required=False)
if not ledger or not isinstance(ledger, IndySdkLedger):
raise NoIndyLedger("No Indy ledger instance is configured.")
try:
async with ledger:
recipient_key = await ledger.get_key_for_did(did)
endpoint = await ledger.get_endpoint_for_did(did)
except LedgerError as err:
raise DIDNotFound(f"DID {did} could not be resolved") from err
builder = DIDDocumentBuilder(DID(did))
vmethod = builder.verification_methods.add(
ident="key-1", suite=self.SUITE, material=recipient_key
)
builder.authentication.reference(vmethod.id)
builder.assertion_method.reference(vmethod.id)
if endpoint:
# TODO add priority
builder.services.add_didcomm(
ident=self.AGENT_SERVICE_TYPE,
type_=self.AGENT_SERVICE_TYPE,
endpoint=endpoint,
recipient_keys=[vmethod],
routing_keys=[],
)
result = builder.build()
return result.serialize()
async def test_resolve_did_x_not_found(profile):
py_did = DID("did:cowsay:EiDahaOGH-liLLdDtTxEAdc8i-cfCz-WUcQdRJheMVNn3A")
cowsay_resolver_not_found = MockResolver(["cowsay"], resolved=DIDNotFound())
registry = DIDResolverRegistry()
registry.register(cowsay_resolver_not_found)
resolver = DIDResolver(registry)
with pytest.raises(DIDNotFound):
await resolver.resolve(profile, py_did)
def test_match_did_to_resolver_native_priority():
registry = DIDResolverRegistry()
native = MockResolver(["sov"], native=True)
non_native = MockResolver(["sov"], native=False)
registry.register(non_native)
registry.register(native)
resolver = DIDResolver(registry)
assert [native,
non_native] == resolver._match_did_to_resolver(DID(TEST_DID0))
async def _resolve(self, profile: Profile,
did: Union[str, DID]) -> Tuple[BaseDIDResolver, dict]:
"""Retrieve doc and return with resolver."""
# TODO Cache results
if isinstance(did, DID):
did = str(did)
else:
DID.validate(did)
for resolver in await self._match_did_to_resolver(profile, did):
try:
LOGGER.debug("Resolving DID %s with %s", did, resolver)
document = await resolver.resolve(
profile,
did,
)
return resolver, document
except DIDNotFound:
LOGGER.debug("DID %s not found by resolver %s", did, resolver)
raise DIDNotFound(f"DID {did} could not be resolved")
async def _resolve(self, profile: Profile, did: str) -> dict:
"""Resolve mock DIDs."""
as_did = DID(did)
# Document found: as_did.method_specific_id == "test"
# Document not found: as_did.method_specific_id != "test"
if as_did.method_specific_id == "test":
return {
"id": "did:mock:test",
"@context": "https://www.w3.org/ns/did/v1",
}
raise DIDNotFound(f"No document found for {did}")
async def resolve(self, profile: Profile, did: Union[str,
DID]) -> DIDDocument:
"""Retrieve did doc from public registry."""
# TODO Cache results
py_did = DID(did) if isinstance(did, str) else did
for resolver in self._match_did_to_resolver(py_did):
try:
LOGGER.debug("Resolving DID %s with %s", did, resolver)
return await resolver.resolve(profile, py_did)
except DIDNotFound:
LOGGER.debug("DID %s not found by resolver %s", did, resolver)
raise DIDNotFound(f"DID {did} could not be resolved")
def test_match_did_to_resolver_registration_order():
registry = DIDResolverRegistry()
native1 = MockResolver(["sov"], native=True)
registry.register(native1)
native2 = MockResolver(["sov"], native=True)
registry.register(native2)
non_native3 = MockResolver(["sov"], native=False)
registry.register(non_native3)
native4 = MockResolver(["sov"], native=True)
registry.register(native4)
resolver = DIDResolver(registry)
assert [native1, native2, native4,
non_native3] == resolver._match_did_to_resolver(DID(TEST_DID0))
async def _resolve(self, profile: Profile, did: str) -> dict:
"""Resolve an indy DID."""
multitenant_mgr = profile.inject_or(BaseMultitenantManager)
if multitenant_mgr:
ledger_exec_inst = IndyLedgerRequestsExecutor(profile)
else:
ledger_exec_inst = profile.inject(IndyLedgerRequestsExecutor)
ledger = (
await ledger_exec_inst.get_ledger_for_identifier(
did,
txn_record_type=GET_KEY_FOR_DID,
)
)[1]
if not ledger:
raise NoIndyLedger("No Indy ledger instance is configured.")
try:
async with ledger:
recipient_key = await ledger.get_key_for_did(did)
endpoints = await ledger.get_all_endpoints_for_did(did)
except LedgerError as err:
raise DIDNotFound(f"DID {did} could not be resolved") from err
builder = DIDDocumentBuilder(DID(did))
vmethod = builder.verification_method.add(
Ed25519VerificationKey2018, ident="key-1", public_key_base58=recipient_key
)
builder.authentication.reference(vmethod.id)
builder.assertion_method.reference(vmethod.id)
if endpoints:
for type_, endpoint in endpoints.items():
if type_ == EndpointType.ENDPOINT.indy:
builder.service.add_didcomm(
ident=self.AGENT_SERVICE_TYPE,
type_=self.AGENT_SERVICE_TYPE,
service_endpoint=endpoint,
priority=1,
recipient_keys=[vmethod],
routing_keys=[],
)
else:
# Accept all service types for now
builder.service.add(
ident=type_,
type_=type_,
service_endpoint=endpoint,
)
result = builder.build()
return result.serialize()
async def resolve(self, profile: Profile, did: Union[str,
DID]) -> DIDDocument:
"""Resolve a DID using this resolver."""
if isinstance(did, DID):
did = str(did)
else:
DID.validate(did)
if not await self.supports(profile, did):
raise DIDMethodNotSupported(
f"{self.__class__.__name__} does not support DID method for: {did}"
)
doc_dict = await self._resolve(profile, did)
return DIDDocument.deserialize(
doc_dict,
options={
doc_insert_missing_ids,
doc_allow_public_key,
vm_allow_controller_list,
vm_allow_missing_controller,
vm_allow_type_list,
},
)
def __transform_to_url(self, did):
"""
Transform did to url.
according to
https://w3c-ccg.github.io/did-method-web/#read-resolve
"""
as_did = DID(did)
method_specific_id = as_did.method_specific_id
if ":" in method_specific_id:
# contains path
url = method_specific_id.replace(":", "/")
else:
# bare domain needs /.well-known path
url = method_specific_id + "/.well-known"
# Support encoded ports (See: https://github.com/w3c-ccg/did-method-web/issues/7)
url = urllib.parse.unquote(url)
return "https://" + url + "/did.json"
async def resolve(self, profile: Profile, did: Union[str,
DID]) -> DIDDocument:
"""Resolve a DID using this resolver."""
py_did = DID(did) if isinstance(did, str) else did
if not self.supports(py_did.method):
raise DIDMethodNotSupported(
f"{self.__class__.__name__} does not support DID method {py_did.method}"
)
did_document = await self._resolve(profile, str(py_did))
result = DIDDocument.deserialize(
did_document,
options={
doc_insert_missing_ids,
doc_allow_public_key,
vm_allow_controller_list,
vm_allow_missing_controller,
vm_allow_type_list,
},
)
return result
async def test_resolve_did_x_not_supported(resolver, profile):
py_did = DID("did:cowsay:EiDahaOGH-liLLdDtTxEAdc8i-cfCz-WUcQdRJheMVNn3A")
with pytest.raises(DIDMethodNotSupported):
await resolver.resolve(profile, py_did)
def test_can_parse_dids(did):
did = DID(did)
assert repr(did)
def test_match_did_to_resolver(resolver, did, method):
base_resolver, *_ = resolver._match_did_to_resolver(DID(did))
assert base_resolver.supports(method)
async def test_resolve_did(resolver, profile, did):
doc = await resolver.resolve(profile, DID(did))
assert isinstance(doc, DIDDocument)
def test_str(did):
assert str(DID(did)) == did
def test_match_did_to_resolver_x_not_supported(resolver):
py_did = DID("did:cowsay:EiDahaOGH-liLLdDtTxEAdc8i-cfCz-WUcQdRJheMVNn3A")
with pytest.raises(DIDMethodNotSupported):
resolver._match_did_to_resolver(py_did)
def test_full_method(did, method):
assert DID(did).full_method == method
def test_method_specific_id(did, method_specific_id):
assert DID(did).method_specific_id == method_specific_id
def test_method(did, method):
assert DID(did).method == method
def test_url_method(did, parts):
did = DID(did)
assert did.url(parts.get("path"), parts.get("query"),
parts.get("fragment")) == DIDUrl(**parts)
def test_parse_x(bad_did):
with pytest.raises(InvalidDIDError):
DID(bad_did)
def test_validate_x(bad_did):
with pytest.raises(InvalidDIDError):
DID.validate(bad_did)
def test_validate(did):
DID.validate(did)