def get_backup_auth_from_node(self, base_url, auth_token, hive_did):
rt, status_code, err = self.post(base_url + '/api/v1/did/backup_auth',
{"jwt": auth_token})
if err != None:
return None, "Post backup_auth error: " + err
token = rt["backup_token"]
if token is None:
return None, "Token is none."
jws = lib.DefaultJWSParser_Parse(token.encode())
if not jws:
return None, "Backup token DefaultJWSParser_Parse error: " + ffi.string(
lib.DIDError_GetLastErrorMessage()).decode()
aud = ffi.string(lib.JWT_GetAudience(jws)).decode()
if aud != self.get_did_string():
lib.JWT_Destroy(jws)
return None, "Audience is error."
issuer = ffi.string(lib.JWT_GetIssuer(jws)).decode()
lib.JWT_Destroy(jws)
if issuer is None:
return None, "Issuer is none."
if issuer != hive_did:
return None, "Issuer is error."
return token, None
def get_auth_token_by_sign_in(self, base_url, vc_str, subject):
vc = lib.Credential_FromJson(vc_str.encode(), ffi.NULL)
if not vc:
return None, None, "The credential string is error, unable to rebuild to a credential object."
#sign_in
doc = lib.DIDStore_LoadDID(self.store, self.did)
doc_str = ffi.string(lib.DIDDocument_ToJson(doc, True)).decode()
doc = json.loads(doc_str)
rt, status_code, err = self.post(base_url + '/api/v1/did/sign_in',
{"document": doc})
if err != None:
return None, None, "Post sign_in error: " + err
jwt = rt["challenge"]
if jwt is None:
return None, None, "Challenge is none."
# print(jwt)
jws = lib.DefaultJWSParser_Parse(jwt.encode())
if not jws:
return None, None, "Challenge DefaultJWSParser_Parse error: " + ffi.string(
lib.DIDError_GetLastErrorMessage()).decode()
aud = ffi.string(lib.JWT_GetAudience(jws)).decode()
if aud != self.get_did_string():
lib.JWT_Destroy(jws)
return None, None, "Audience is error."
nonce = ffi.string(lib.JWT_GetClaim(jws, "nonce".encode())).decode()
if nonce is None:
lib.JWT_Destroy(jws)
return None, None, "Nonce is none."
hive_did = ffi.string(lib.JWT_GetIssuer(jws)).decode()
lib.JWT_Destroy(jws)
if hive_did is None:
return None, None, "Issuer is none."
#auth_token
vp_json = self.create_presentation(vc, nonce, hive_did)
if vp_json is None:
return None, None, "create_presentation error."
auth_token = self.create_vp_token(vp_json, subject, hive_did,
hive_setting.AUTH_CHALLENGE_EXPIRED)
if auth_token is None:
return None, None, "create_vp_token error."
return auth_token, hive_did, None
def get_error_message(self, prompt=None):
""" helper method to get error message from did.so """
err_message = ffi.string(lib.DIDError_GetLastErrorMessage()).decode()
return err_message if not prompt else f'[{prompt}] {err_message}'
def get_error_message(self, prompt):
err_message = ffi.string(lib.DIDError_GetLastErrorMessage()).decode()
if not prompt is None:
err_message = prompt + " error: " + err_message
return err_message
def get_error_message():
return str(ffi.string(lib.DIDError_GetLastErrorMessage()),
encoding='utf-8')