added signature tests

ref. https://git.collinwebdesigns.de/nvidia/nls/-/blob/main/src/test/test_config_token.py

.gitlab-ci.yml

@@ -89,6 +89,7 @@ build:pacman:
   interruptible: true
   stage: build
   rules:
+    - if: $CI_COMMIT_BRANCH && $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
     - if: $CI_COMMIT_TAG
       variables:
         VERSION: $CI_COMMIT_REF_NAME

app/main.py

@@ -4,24 +4,24 @@ from calendar import timegm
 from contextlib import asynccontextmanager
 from datetime import datetime, timedelta, UTC
 from hashlib import sha256
-from json import loads as json_loads
+from json import loads as json_loads, dumps as json_dumps
 from os import getenv as env
-from os.path import join, dirname
+from os.path import join, dirname, isfile
 from uuid import uuid4
 
 from dateutil.relativedelta import relativedelta
 from dotenv import load_dotenv
 from fastapi import FastAPI
 from fastapi.requests import Request
+from fastapi.responses import StreamingResponse, JSONResponse as JSONr, HTMLResponse as HTMLr, Response, RedirectResponse
 from jose import jws, jwk, jwt, JWTError
 from jose.constants import ALGORITHMS
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from starlette.middleware.cors import CORSMiddleware
-from starlette.responses import StreamingResponse, JSONResponse as JSONr, HTMLResponse as HTMLr, Response, RedirectResponse
 
 from orm import Origin, Lease, init as db_init, migrate
-from util import PrivateKey, PublicKey, load_file
+from util import PrivateKey, PublicKey, load_file, Cert, ProductMapping
 
 # Load variables
 load_dotenv('../version.env')
@@ -50,6 +50,9 @@ LEASE_RENEWAL_PERIOD = float(env('LEASE_RENEWAL_PERIOD', 0.15))
 LEASE_RENEWAL_DELTA = timedelta(days=int(env('LEASE_EXPIRE_DAYS', 90)), hours=int(env('LEASE_EXPIRE_HOURS', 0)))
 CLIENT_TOKEN_EXPIRE_DELTA = relativedelta(years=12)
 CORS_ORIGINS = str(env('CORS_ORIGINS', '')).split(',') if (env('CORS_ORIGINS')) else [f'https://{DLS_URL}']
+DT_FORMAT = '%Y-%m-%dT%H:%M:%S.%fZ'
+PRODUCT_MAPPING = ProductMapping(filename=join(dirname(__file__), 'static/product_mapping.json'))
+
 
 jwt_encode_key = jwk.construct(INSTANCE_KEY_RSA.pem(), algorithm=ALGORITHMS.RS256)
 jwt_decode_key = jwk.construct(INSTANCE_KEY_PUB.pem(), algorithm=ALGORITHMS.RS256)
@@ -248,6 +251,7 @@ async def _client_token():
         "iat": timegm(cur_time.timetuple()),
         "nbf": timegm(cur_time.timetuple()),
         "exp": timegm(exp_time.timetuple()),
+        "protocol_version": "2.0",
         "update_mode": "ABSOLUTE",
         "scope_ref_list": [ALLOTMENT_REF],
         "fulfillment_class_ref_list": [],
@@ -298,14 +302,19 @@ async def auth_v1_origin(request: Request):
 
     Origin.create_or_update(db, data)
 
+    environment = {
+        'raw_env': j.get('environment')
+    }
+    environment.update(j.get('environment'))
+
     response = {
         "origin_ref": origin_ref,
-        "environment": j.get('environment'),
+        "environment": environment,
         "svc_port_set_list": None,
         "node_url_list": None,
         "node_query_order": None,
         "prompts": None,
-        "sync_timestamp": cur_time.isoformat()
+        "sync_timestamp": cur_time.strftime(DT_FORMAT)
     }
 
     return JSONr(response)
@@ -331,7 +340,7 @@ async def auth_v1_origin_update(request: Request):
     response = {
         "environment": j.get('environment'),
         "prompts": None,
-        "sync_timestamp": cur_time.isoformat()
+        "sync_timestamp": cur_time.strftime(DT_FORMAT)
     }
 
     return JSONr(response)
@@ -362,8 +371,8 @@ async def auth_v1_code(request: Request):
 
     response = {
         "auth_code": auth_code,
-        "sync_timestamp": cur_time.isoformat(),
-        "prompts": None
+        "prompts": None,
+        "sync_timestamp": cur_time.strftime(DT_FORMAT),
     }
 
     return JSONr(response)
@@ -396,22 +405,266 @@ async def auth_v1_token(request: Request):
         'iss': 'https://cls.nvidia.org',
         'aud': 'https://cls.nvidia.org',
         'exp': timegm(access_expires_on.timetuple()),
-        'origin_ref': origin_ref,
         'key_ref': SITE_KEY_XID,
         'kid': SITE_KEY_XID,
+        'origin_ref': origin_ref,
     }
 
     auth_token = jwt.encode(new_payload, key=jwt_encode_key, headers={'kid': payload.get('kid')}, algorithm=ALGORITHMS.RS256)
 
     response = {
-        "expires": access_expires_on.isoformat(),
         "auth_token": auth_token,
-        "sync_timestamp": cur_time.isoformat(),
+        "expires": access_expires_on.strftime(DT_FORMAT),
+        "prompts": None,
+        "sync_timestamp": cur_time.strftime(DT_FORMAT),
     }
 
     return JSONr(response)
 
 
+# NLS 3.4.0 - venv/lib/python3.12/site-packages/nls_services_lease/test/test_lease_single_controller.py
+@app.post('/leasing/v1/config-token', description='request to get config token for lease operations')
+async def leasing_v1_config_token(request: Request):
+    j, cur_time = json_loads((await request.body()).decode('utf-8')), datetime.now(UTC)
+
+    logger.debug(f'CALLED /leasing/v1/config-token')
+    logger.debug(f'Headers: {request.headers}')
+    logger.debug(f'Request: {j}')
+
+    # todo: THIS IS A DEMO ONLY
+
+    ###
+    #
+    # https://git.collinwebdesigns.de/nvidia/nls/-/blob/main/src/test/test_config_token.py
+    #
+    ###
+
+    root_private_key_filename = join(dirname(__file__), 'cert/my_demo_root_private_key.pem')
+    root_certificate_filename = join(dirname(__file__), 'cert/my_demo_root_certificate.pem')
+    ca_private_key_filename = join(dirname(__file__), 'cert/my_demo_ca_private_key.pem')
+    ca_certificate_filename = join(dirname(__file__), 'cert/my_demo_ca_certificate.pem')
+    si_private_key_filename = join(dirname(__file__), 'cert/my_demo_si_private_key.pem')
+    si_certificate_filename = join(dirname(__file__), 'cert/my_demo_si_certificate.pem')
+
+    def init_config_token_demo():
+        from cryptography import x509
+        from cryptography.hazmat._oid import NameOID
+        from cryptography.hazmat.primitives import serialization, hashes
+        from cryptography.hazmat.primitives.asymmetric.rsa import generate_private_key
+        from cryptography.hazmat.primitives.serialization import Encoding
+
+        """ Create Root Key and Certificate """
+
+        # create root keypair
+        my_root_private_key = generate_private_key(public_exponent=65537, key_size=4096)
+        my_root_public_key = my_root_private_key.public_key()
+
+        # create root-certificate subject
+        my_root_subject = x509.Name([
+            x509.NameAttribute(NameOID.COUNTRY_NAME, u'US'),
+            x509.NameAttribute(NameOID.STATE_OR_PROVINCE_NAME, u'California'),
+            x509.NameAttribute(NameOID.ORGANIZATION_NAME, u'Nvidia'),
+            x509.NameAttribute(NameOID.ORGANIZATIONAL_UNIT_NAME, u'Nvidia Licensing Service (NLS)'),
+            x509.NameAttribute(NameOID.COMMON_NAME, u'NLS Root CA'),
+        ])
+
+        # create self-signed root-certificate
+        my_root_certificate = (
+            x509.CertificateBuilder()
+            .subject_name(my_root_subject)
+            .issuer_name(my_root_subject)
+            .public_key(my_root_public_key)
+            .serial_number(x509.random_serial_number())
+            .not_valid_before(datetime.now(tz=UTC) - timedelta(days=1))
+            .not_valid_after(datetime.now(tz=UTC) + timedelta(days=365 * 10))
+            .add_extension(x509.BasicConstraints(ca=True, path_length=None), critical=True)
+            .add_extension(x509.SubjectKeyIdentifier.from_public_key(my_root_public_key), critical=False)
+            .sign(my_root_private_key, hashes.SHA256()))
+
+        my_root_private_key_as_pem = my_root_private_key.private_bytes(
+            encoding=serialization.Encoding.PEM,
+            format=serialization.PrivateFormat.TraditionalOpenSSL,
+            encryption_algorithm=serialization.NoEncryption(),
+        )
+
+        with open(root_private_key_filename, 'wb') as f:
+            f.write(my_root_private_key_as_pem)
+
+        with open(root_certificate_filename, 'wb') as f:
+            f.write(my_root_certificate.public_bytes(encoding=Encoding.PEM))
+
+        """ Create CA (Intermediate) Key and Certificate """
+
+        # create ca keypair
+        my_ca_private_key = generate_private_key(public_exponent=65537, key_size=4096)
+        my_ca_public_key = my_ca_private_key.public_key()
+
+        # create ca-certificate subject
+        my_ca_subject = x509.Name([
+            x509.NameAttribute(NameOID.COUNTRY_NAME, u'US'),
+            x509.NameAttribute(NameOID.STATE_OR_PROVINCE_NAME, u'California'),
+            x509.NameAttribute(NameOID.ORGANIZATION_NAME, u'Nvidia'),
+            x509.NameAttribute(NameOID.ORGANIZATIONAL_UNIT_NAME, u'Nvidia Licensing Service (NLS)'),
+            x509.NameAttribute(NameOID.COMMON_NAME, u'NLS Intermediate CA'),
+        ])
+
+        # create self-signed ca-certificate
+        my_ca_certificate = (
+            x509.CertificateBuilder()
+            .subject_name(my_ca_subject)
+            .issuer_name(my_root_subject)
+            .public_key(my_ca_public_key)
+            .serial_number(x509.random_serial_number())
+            .not_valid_before(datetime.now(tz=UTC) - timedelta(days=1))
+            .not_valid_after(datetime.now(tz=UTC) + timedelta(days=365 * 10))
+            .add_extension(x509.BasicConstraints(ca=True, path_length=None), critical=True)
+            .add_extension(x509.KeyUsage(digital_signature=False, key_encipherment=False, key_cert_sign=True,
+                                         key_agreement=False, content_commitment=False, data_encipherment=False,
+                                         crl_sign=True, encipher_only=False, decipher_only=False), critical=True)
+            .add_extension(x509.SubjectKeyIdentifier.from_public_key(my_ca_public_key), critical=False)
+            # .add_extension(x509.AuthorityKeyIdentifier.from_issuer_public_key(my_root_public_key), critical=False)
+            .add_extension(x509.AuthorityKeyIdentifier.from_issuer_subject_key_identifier(
+                my_root_certificate.extensions.get_extension_for_class(x509.SubjectKeyIdentifier).value
+            ), critical=False)
+            .sign(my_root_private_key, hashes.SHA256()))
+
+        my_ca_private_key_as_pem = my_ca_private_key.private_bytes(
+            encoding=serialization.Encoding.PEM,
+            format=serialization.PrivateFormat.TraditionalOpenSSL,
+            encryption_algorithm=serialization.NoEncryption(),
+        )
+
+        with open(ca_private_key_filename, 'wb') as f:
+            f.write(my_ca_private_key_as_pem)
+
+        with open(ca_certificate_filename, 'wb') as f:
+            f.write(my_ca_certificate.public_bytes(encoding=Encoding.PEM))
+
+        """ Create Service-Instance Key and Certificate """
+
+        # create si keypair
+        my_si_private_key = generate_private_key(public_exponent=65537, key_size=2048)
+        my_si_public_key = my_si_private_key.public_key()
+
+        my_si_private_key_as_pem = my_si_private_key.private_bytes(
+            encoding=serialization.Encoding.PEM,
+            format=serialization.PrivateFormat.TraditionalOpenSSL,
+            encryption_algorithm=serialization.NoEncryption(),
+        )
+        my_si_public_key_as_pem = my_si_public_key.public_bytes(
+            encoding=serialization.Encoding.PEM,
+            format=serialization.PublicFormat.SubjectPublicKeyInfo,
+        )
+
+        with open(si_private_key_filename, 'wb') as f:
+            f.write(my_si_private_key_as_pem)
+
+        # with open('instance.public.pem', 'wb') as f:
+        #   f.write(my_si_public_key_as_pem)
+
+        # create si-certificate subject
+        my_si_subject = x509.Name([
+            # x509.NameAttribute(NameOID.COMMON_NAME, INSTANCE_REF),
+            x509.NameAttribute(NameOID.COMMON_NAME, j.get('service_instance_ref')),
+        ])
+
+        # create self-signed si-certificate
+        my_si_certificate = (
+            x509.CertificateBuilder()
+            .subject_name(my_si_subject)
+            .issuer_name(my_ca_subject)
+            .public_key(my_si_public_key)
+            .serial_number(x509.random_serial_number())
+            .not_valid_before(datetime.now(tz=UTC) - timedelta(days=1))
+            .not_valid_after(datetime.now(tz=UTC) + timedelta(days=365 * 10))
+            .add_extension(x509.KeyUsage(digital_signature=True, key_encipherment=True, key_cert_sign=False,
+                                         key_agreement=True, content_commitment=False, data_encipherment=False,
+                                         crl_sign=False, encipher_only=False, decipher_only=False), critical=True)
+            .add_extension(x509.ExtendedKeyUsage([
+                x509.oid.ExtendedKeyUsageOID.SERVER_AUTH,
+                x509.oid.ExtendedKeyUsageOID.CLIENT_AUTH]
+            ), critical=False)
+            .add_extension(x509.SubjectKeyIdentifier.from_public_key(my_si_public_key), critical=False)
+            # .add_extension(x509.AuthorityKeyIdentifier.from_issuer_public_key(my_ca_public_key), critical=False)
+            .add_extension(x509.AuthorityKeyIdentifier.from_issuer_subject_key_identifier(
+                my_ca_certificate.extensions.get_extension_for_class(x509.SubjectKeyIdentifier).value
+            ), critical=False)
+            .add_extension(x509.SubjectAlternativeName([
+                # x509.DNSName(INSTANCE_REF)
+                x509.DNSName(j.get('service_instance_ref'))
+            ]), critical=False)
+            .sign(my_ca_private_key, hashes.SHA256()))
+
+        my_si_public_key_exp = my_si_certificate.public_key().public_numbers().e
+        my_si_public_key_mod = f'{my_si_certificate.public_key().public_numbers().n:x}'  # hex value without "0x" prefix
+
+        with open(si_certificate_filename, 'wb') as f:
+            f.write(my_si_certificate.public_bytes(encoding=Encoding.PEM))
+
+    if not (isfile(root_private_key_filename)
+            and isfile(ca_private_key_filename)
+            and isfile(ca_certificate_filename)
+            and isfile(si_private_key_filename)
+            and isfile(si_certificate_filename)):
+        init_config_token_demo()
+
+    my_ca_certificate = Cert.from_file(ca_certificate_filename)
+    my_si_certificate = Cert.from_file(si_certificate_filename)
+    my_si_private_key = PrivateKey.from_file(si_private_key_filename)
+    my_si_private_key_as_pem = my_si_private_key.pem()
+    my_si_public_key = my_si_private_key.public_key().raw()
+    my_si_public_key_as_pem = my_si_private_key.public_key().pem()
+
+    """ build out payload """
+
+    cur_time = datetime.now(UTC)
+    exp_time = cur_time + CLIENT_TOKEN_EXPIRE_DELTA
+
+    payload = {
+        "iss": "NLS Service Instance",
+        "aud": "NLS Licensed Client",
+        "iat": timegm(cur_time.timetuple()),
+        "nbf": timegm(cur_time.timetuple()),
+        "exp": timegm(exp_time.timetuple()),
+        "protocol_version": "2.0",
+        "d_name": "DLS",
+        "service_instance_ref": j.get('service_instance_ref'),
+        "service_instance_public_key_configuration": {
+            "service_instance_public_key_me": {
+                "mod": hex(my_si_public_key.public_numbers().n)[2:],
+                "exp": int(my_si_public_key.public_numbers().e),
+            },
+            # 64 chars per line (pem default)
+            "service_instance_public_key_pem": my_si_public_key_as_pem.decode('utf-8').strip(),
+            "key_retention_mode": "LATEST_ONLY"
+        },
+    }
+
+    my_jwt_encode_key = jwk.construct(my_si_private_key_as_pem.decode('utf-8'), algorithm=ALGORITHMS.RS256)
+    config_token = jws.sign(payload, key=my_jwt_encode_key, headers=None, algorithm=ALGORITHMS.RS256)
+
+    response_ca_chain = my_ca_certificate.pem().decode('utf-8')
+    response_si_certificate = my_si_certificate.pem().decode('utf-8')
+
+    response = {
+        "certificateConfiguration": {
+            # 76 chars per line
+            "caChain": [response_ca_chain],
+            # 76 chars per line
+            "publicCert": response_si_certificate,
+            "publicKey": {
+                "exp": int(my_si_certificate.raw().public_key().public_numbers().e),
+                "mod": [hex(my_si_certificate.raw().public_key().public_numbers().n)[2:]],
+            },
+        },
+        "configToken": config_token,
+    }
+
+    logging.debug(response)
+
+    return JSONr(response, status_code=200)
+
+
 # venv/lib/python3.9/site-packages/nls_services_lease/test/test_lease_multi_controller.py
 @app.post('/leasing/v1/lessor', description='request multiple leases (borrow) for current origin')
 async def leasing_v1_lessor(request: Request):
@@ -424,39 +677,55 @@ async def leasing_v1_lessor(request: Request):
 
     origin_ref = token.get('origin_ref')
     scope_ref_list = j.get('scope_ref_list')
+    lease_proposal_list = j.get('lease_proposal_list')
     logger.info(f'> [  create  ]: {origin_ref}: create leases for scope_ref_list {scope_ref_list}')
 
-    lease_result_list = []
     for scope_ref in scope_ref_list:
         # if scope_ref not in [ALLOTMENT_REF]:
         #     return JSONr(status_code=500, detail=f'no service instances found for scopes: ["{scope_ref}"]')
+        pass
 
+    lease_result_list = []
+    for lease_proposal in lease_proposal_list:
         lease_ref = str(uuid4())
         expires = cur_time + LEASE_EXPIRE_DELTA
+
+        product_name = lease_proposal.get('product').get('name')
+        feature_name = PRODUCT_MAPPING.get_feature_name(product_name=product_name)
+
         lease_result_list.append({
-            "ordinal": 0,
-            # https://docs.nvidia.com/license-system/latest/nvidia-license-system-user-guide/index.html
+            "error": None,
             "lease": {
-                "ref": lease_ref,
-                "created": cur_time.isoformat(),
-                "expires": expires.isoformat(),
+                "created": cur_time.strftime(DT_FORMAT),
+                "expires": expires.strftime(DT_FORMAT),  # todo: lease_proposal.get('duration') => "P0Y0M0DT12H0M0S
+                "feature_name": feature_name,
+                "lease_intent_id": None,
+                "license_type": "CONCURRENT_COUNTED_SINGLE",
+                "metadata": None,
+                "offline_lease": False,  # todo
+                "product_name": product_name,
                 "recommended_lease_renewal": LEASE_RENEWAL_PERIOD,
-                "offline_lease": "true",
-                "license_type": "CONCURRENT_COUNTED_SINGLE"
-            }
+                "ref": lease_ref,
+            },
+            "ordinal": None,
         })
 
         data = Lease(origin_ref=origin_ref, lease_ref=lease_ref, lease_created=cur_time, lease_expires=expires)
         Lease.create_or_update(db, data)
 
     response = {
+        "client_challenge": j.get('client_challenge'),
         "lease_result_list": lease_result_list,
-        "result_code": "SUCCESS",
-        "sync_timestamp": cur_time.isoformat(),
-        "prompts": None
+        "prompts": None,
+        "result_code": None,
+        "sync_timestamp": cur_time.strftime(DT_FORMAT),
     }
 
-    return JSONr(response)
+    logger.debug(response)
+
+    signature = INSTANCE_KEY_RSA.generate_signature(json_dumps(response, ensure_ascii=False, allow_nan=False, indent=None, separators=(",", ":")).encode('utf-8'))
+    signature = f'{signature.hex().encode()}'
+    return JSONr(response, headers={'access-control-expose-headers': 'X-NLS-Signature', 'X-NLS-Signature': signature})
 
 
 # venv/lib/python3.9/site-packages/nls_services_lease/test/test_lease_multi_controller.py
@@ -472,8 +741,8 @@ async def leasing_v1_lessor_lease(request: Request):
 
     response = {
         "active_lease_list": active_lease_list,
-        "sync_timestamp": cur_time.isoformat(),
-        "prompts": None
+        "prompts": None,
+        "sync_timestamp": cur_time.strftime(DT_FORMAT),
     }
 
     return JSONr(response)
@@ -483,7 +752,7 @@ async def leasing_v1_lessor_lease(request: Request):
 # venv/lib/python3.9/site-packages/nls_core_lease/lease_single.py
 @app.put('/leasing/v1/lease/{lease_ref}', description='renew a lease')
 async def leasing_v1_lease_renew(request: Request, lease_ref: str):
-    token, cur_time = __get_token(request), datetime.now(UTC)
+    j, token, cur_time = json_loads((await request.body()).decode('utf-8')), __get_token(request), datetime.now(UTC)
 
     origin_ref = token.get('origin_ref')
     logger.info(f'> [  renew   ]: {origin_ref}: renew {lease_ref}')
@@ -494,17 +763,22 @@ async def leasing_v1_lease_renew(request: Request, lease_ref: str):
 
     expires = cur_time + LEASE_EXPIRE_DELTA
     response = {
+        "client_challenge": j.get('client_challenge'),
+        "expires": expires.strftime(DT_FORMAT),
+        "feature_expired": False,
         "lease_ref": lease_ref,
-        "expires": expires.isoformat(),
-        "recommended_lease_renewal": LEASE_RENEWAL_PERIOD,
+        "metadata": None,
         "offline_lease": True,
         "prompts": None,
-        "sync_timestamp": cur_time.isoformat(),
+        "recommended_lease_renewal": LEASE_RENEWAL_PERIOD,
+        "sync_timestamp": cur_time.strftime(DT_FORMAT),
     }
 
     Lease.renew(db, entity, expires, cur_time)
 
-    return JSONr(response)
+    signature = INSTANCE_KEY_RSA.generate_signature(json_dumps(response, ensure_ascii=False, allow_nan=False, indent=None, separators=(",", ":")).encode('utf-8'))
+    signature = f'{signature.hex().encode()}'
+    return JSONr(response, headers={'access-control-expose-headers': 'X-NLS-Signature', 'X-NLS-Signature': signature})
 
 
 # venv/lib/python3.9/site-packages/nls_services_lease/test/test_lease_single_controller.py
@@ -525,9 +799,10 @@ async def leasing_v1_lease_delete(request: Request, lease_ref: str):
         return JSONr(status_code=404, content={'status': 404, 'detail': 'lease not found'})
 
     response = {
+        "client_challenge": None,
         "lease_ref": lease_ref,
         "prompts": None,
-        "sync_timestamp": cur_time.isoformat(),
+        "sync_timestamp": cur_time.strftime(DT_FORMAT),
     }
 
     return JSONr(response)
@@ -547,8 +822,8 @@ async def leasing_v1_lessor_lease_remove(request: Request):
     response = {
         "released_lease_list": released_lease_list,
         "release_failure_list": None,
-        "sync_timestamp": cur_time.isoformat(),
-        "prompts": None
+        "prompts": None,
+        "sync_timestamp": cur_time.strftime(DT_FORMAT),
     }
 
     return JSONr(response)
@@ -569,8 +844,8 @@ async def leasing_v1_lessor_shutdown(request: Request):
     response = {
         "released_lease_list": released_lease_list,
         "release_failure_list": None,
-        "sync_timestamp": cur_time.isoformat(),
-        "prompts": None
+        "prompts": None,
+        "sync_timestamp": cur_time.strftime(DT_FORMAT),
     }
 
     return JSONr(response)

app/static/product_mapping.json

@@ -0,0 +1,643 @@
+{
+  "product": [
+    {
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+    {
+      "xid": "be532923-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be2770af-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-Virtual-Apps",
+      "feature_version": "3.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 0
+    },
+    {
+      "xid": "be5329e0-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277164-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-Virtual-PC",
+      "feature_version": "2.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 0
+    },
+    {
+      "xid": "be532aa0-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277164-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "Quadro-Virtual-DWS",
+      "feature_version": "5.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 1
+    },
+    {
+      "xid": "be532b5c-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277164-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-Virtual-WS",
+      "feature_version": "2.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 2
+    },
+    {
+      "xid": "be532c19-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277164-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-Virtual-WS-Ext",
+      "feature_version": "2.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 3
+    },
+    {
+      "xid": "be532ccb-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277214-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "Quadro-Virtual-DWS",
+      "feature_version": "5.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 0
+    },
+    {
+      "xid": "be532d92-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277214-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-Virtual-WS",
+      "feature_version": "2.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 1
+    },
+    {
+      "xid": "be532e45-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277214-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-Virtual-WS-Ext",
+      "feature_version": "2.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 2
+    },
+    {
+      "xid": "be532efa-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be2772c8-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-vGaming",
+      "feature_version": "8.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 0
+    },
+    {
+      "xid": "be53306d-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277379-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "NVIDIA-vComputeServer",
+      "feature_version": "9.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 0
+    },
+    {
+      "xid": "be533228-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277379-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "NVIDIA-vComputeServer NLS Metered",
+      "feature_version": "9.0",
+      "license_type_identifier": "CONCURRENT_UNCOUNTED_SINGLE",
+      "evaluation_order_index": 2
+    },
+    {
+      "xid": "be5332f6-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277379-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "NVAIE_Licensing",
+      "feature_version": "1.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 3
+    },
+    {
+      "xid": "15ff4f16-57a8-4593-93ec-58352a256f12",
+      "product_fulfillment_xid": "eb2d39a4-6370-4464-8a6a-ec3f42c69cb5",
+      "feature_identifier": "GRID-vGaming-NLS-Metered",
+      "feature_version": "8.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 3
+    },
+    {
+      "xid": "0c1552ca-3ef8-11ed-9fa6-061a22468b59",
+      "product_fulfillment_xid": "be276ff0-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "vGaming_Flexera_License",
+      "feature_version": "0.1",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 1
+    },
+    {
+      "xid": "31c3be8c-5c0a-11ed-9fa6-061a22468b59",
+      "product_fulfillment_xid": "c4284597-5c09-11ed-9fa6-061a22468b59",
+      "feature_identifier": "OVE_Licensing",
+      "feature_version": "1.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 0
+    },
+    {
+      "xid": "6caeb4cf-360f-11ee-b67d-02f279bf2bff",
+      "product_fulfillment_xid": "be277379-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "NVAIE_Licensing",
+      "feature_version": "2.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 4
+    },
+    {
+      "xid": "7fb1d01d-3f0e-11ed-9fa6-061a22468b59",
+      "product_fulfillment_xid": "be276ff0-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "vGaming_FB_License",
+      "feature_version": "0.1",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 2
+    },
+    {
+      "xid": "8eabcb08-3f0e-11ed-9fa6-061a22468b59",
+      "product_fulfillment_xid": "be2772c8-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "vGaming_FB_License",
+      "feature_version": "0.1",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 2
+    },
+    {
+      "xid": "a1dfe741-3e49-11ed-9fa6-061a22468b59",
+      "product_fulfillment_xid": "be2772c8-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "vGaming_Flexera_License",
+      "feature_version": "0.1",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 1
+    },
+    {
+      "xid": "be53286a-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be276ff0-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-vGaming-NLS-Metered",
+      "feature_version": "8.0",
+      "license_type_identifier": "CONCURRENT_UNCOUNTED_SINGLE",
+      "evaluation_order_index": 3
+    },
+    {
+      "xid": "be532fb2-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be2772c8-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "GRID-vGaming-NLS-Metered",
+      "feature_version": "8.0",
+      "license_type_identifier": "CONCURRENT_UNCOUNTED_SINGLE",
+      "evaluation_order_index": 3
+    },
+    {
+      "xid": "be533144-2cdb-11ec-9838-061a22468b59",
+      "product_fulfillment_xid": "be277379-2cdb-11ec-9838-061a22468b59",
+      "feature_identifier": "Quadro-Virtual-DWS",
+      "feature_version": "0.0",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 1
+    },
+    {
+      "xid": "bf105e18-0c26-11ef-b3b6-371045c70906",
+      "product_fulfillment_xid": "9e162d3c-0c26-11ef-b3b6-371045c70906",
+      "feature_identifier": "vGaming_Flexera_License",
+      "feature_version": "0.1",
+      "license_type_identifier": "CONCURRENT_COUNTED_SINGLE",
+      "evaluation_order_index": 0
+    }
+  ]
+}

app/util.py

@@ -1,8 +1,11 @@
 import logging
-
+from json import loads as json_loads
 from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.primitives.asymmetric.padding import PKCS1v15
 from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKey, RSAPublicKey, generate_private_key
+from cryptography.hazmat.primitives.hashes import SHA256
 from cryptography.hazmat.primitives.serialization import load_pem_private_key, load_pem_public_key
+from cryptography.x509 import load_pem_x509_certificate, Certificate
 
 logging.basicConfig()
 
@@ -39,6 +42,9 @@ class PrivateKey:
         )
         return PublicKey(data=data)
 
+    def generate_signature(self, data: bytes) -> bytes:
+        return self.__key.sign(data, padding=PKCS1v15(), algorithm=SHA256())
+
     @staticmethod
     def generate(public_exponent: int = 65537, key_size: int = 2048) -> "PrivateKey":
         log = logging.getLogger(__name__)
@@ -76,6 +82,35 @@ class PublicKey:
             format=serialization.PublicFormat.SubjectPublicKeyInfo
         )
 
+    def verify_signature(self, signature: bytes, data: bytes) -> bytes:
+        return self.__key.verify(signature, data, padding=PKCS1v15(), algorithm=SHA256())
+
+
+class Cert:
+
+    def __init__(self, data: bytes):
+        self.__cert = load_pem_x509_certificate(data)
+
+    @staticmethod
+    def from_file(filename: str) -> "Cert":
+        log = logging.getLogger(__name__)
+        log.debug(f'Importing Certificate from "{filename}"')
+
+        with open(filename, 'rb') as f:
+            data = f.read()
+
+        return Cert(data=data.strip())
+
+    def raw(self) -> Certificate:
+        return self.__cert
+
+    def pem(self) -> bytes:
+        return self.__cert.public_bytes(encoding=serialization.Encoding.PEM)
+
+    def signature(self) -> bytes:
+        return self.__cert.signature
+
+
 def load_file(filename: str) -> bytes:
     log = logging.getLogger(f'{__name__}')
     log.debug(f'Loading contents of file "{filename}')
@@ -126,3 +161,34 @@ class NV:
                         'is_latest': is_latest,
                     }
         return None
+
+
+class ProductMapping:
+
+    def __init__(self, filename: str):
+        with open(filename, 'r') as file:
+            self.data = json_loads(file.read())
+
+
+    def get_feature_name(self, product_name: str) -> (str, str):
+        product = self.__get_product(product_name)
+        product_fulfillment = self.__get_product_fulfillment(product.get('xid'))
+        feature = self.__get_product_fulfillment_feature(product_fulfillment.get('xid'))
+
+        return feature.get('feature_identifier')
+
+
+    def __get_product(self, product_name: str):
+        product_list = self.data.get('product')
+        return next(filter(lambda _: _.get('identifier') == product_name, product_list))
+
+
+    def __get_product_fulfillment(self, product_xid: str):
+        product_fulfillment_list = self.data.get('product_fulfillment')
+        return next(filter(lambda _: _.get('product_xid') == product_xid, product_fulfillment_list))
+
+    def __get_product_fulfillment_feature(self, product_fulfillment_xid: str):
+        feature_list = self.data.get('product_fulfillment_feature')
+        features = list(filter(lambda _: _.get('product_fulfillment_xid') == product_fulfillment_xid, feature_list))
+        features.sort(key=lambda _: _.get('evaluation_order_index'))
+        return features[0]

test/main.py

@@ -1,3 +1,4 @@
+import json
 import sys
 from base64 import b64encode as b64enc
 from calendar import timegm
@@ -7,7 +8,7 @@ from os.path import dirname, join
 from uuid import uuid4, UUID
 
 from dateutil.relativedelta import relativedelta
-from jose import jwt, jwk
+from jose import jwt, jwk, jws
 from jose.constants import ALGORITHMS
 from starlette.testclient import TestClient
 
@@ -20,6 +21,7 @@ from util import PrivateKey, PublicKey
 
 client = TestClient(main.app)
 
+INSTANCE_REF = '10000000-0000-0000-0000-000000000001'
 ORIGIN_REF, ALLOTMENT_REF, SECRET = str(uuid4()), '20000000-0000-0000-0000-000000000001', 'HelloWorld'
 
 # INSTANCE_KEY_RSA = generate_key()
@@ -38,6 +40,23 @@ def __bearer_token(origin_ref: str) -> str:
     return token
 
 
+def test_signing():
+    signature_set_header = INSTANCE_KEY_RSA.generate_signature(b'Hello')
+
+    # test plain
+    INSTANCE_KEY_PUB.verify_signature(signature_set_header, b'Hello')
+
+    # test "X-NLS-Signature: b'....'
+    x_nls_signature_header_value = f'{signature_set_header.hex().encode()}'
+    assert f'{x_nls_signature_header_value}'.startswith('b\'')
+    assert f'{x_nls_signature_header_value}'.endswith('\'')
+
+    # test eval
+    signature_get_header = eval(x_nls_signature_header_value)
+    signature_get_header = bytes.fromhex(signature_get_header.decode('ascii'))
+    INSTANCE_KEY_PUB.verify_signature(signature_get_header, b'Hello')
+
+
 def test_index():
     response = client.get('/')
     assert response.status_code == 200
@@ -69,6 +88,31 @@ def test_client_token():
     assert response.status_code == 200
 
 
+def test_config_token():  # todo: /leasing/v1/config-token
+    # https://git.collinwebdesigns.de/nvidia/nls/-/blob/main/src/test/test_config_token.py
+
+    response = client.post('/leasing/v1/config-token', json={"service_instance_ref": INSTANCE_REF})
+    assert response.status_code == 200
+
+    nv_response_certificate_configuration = response.json().get('certificateConfiguration')
+    nv_response_public_cert = nv_response_certificate_configuration.get('publicCert').encode('utf-8')
+    nv_jwt_decode_key = jwk.construct(nv_response_public_cert, algorithm=ALGORITHMS.RS256)
+
+    nv_response_config_token = response.json().get('configToken')
+
+    payload = jws.verify(nv_response_config_token, key=nv_jwt_decode_key, algorithms=ALGORITHMS.RS256)
+    payload = json.loads(payload)
+    assert payload.get('iss') == 'NLS Service Instance'
+    assert payload.get('aud') == 'NLS Licensed Client'
+    assert payload.get('service_instance_ref') == INSTANCE_REF
+
+    nv_si_public_key_configuration = payload.get('service_instance_public_key_configuration')
+    nv_si_public_key_me = nv_si_public_key_configuration.get('service_instance_public_key_me')
+    # assert nv_si_public_key_me.get('mod') == 1  #nv_si_public_key_mod
+    assert len(nv_si_public_key_me.get('mod')) == 512
+    assert nv_si_public_key_me.get('exp') == 65537  # nv_si_public_key_exp
+
+
 def test_origins():
     pass
 
@@ -168,12 +212,13 @@ def test_auth_v1_token():
 
 def test_leasing_v1_lessor():
     payload = {
+        'client_challenge': 'my_unique_string',
         'fulfillment_context': {
             'fulfillment_class_ref_list': []
         },
         'lease_proposal_list': [{
             'license_type_qualifiers': {'count': 1},
-            'product': {'name': 'NVIDIA RTX Virtual Workstation'}
+            'product': {'name': 'NVIDIA Virtual Applications'}
         }],
         'proposal_evaluation_mode': 'ALL_OF',
         'scope_ref_list': [ALLOTMENT_REF]
@@ -182,10 +227,21 @@ def test_leasing_v1_lessor():
     response = client.post('/leasing/v1/lessor', json=payload, headers={'authorization': __bearer_token(ORIGIN_REF)})
     assert response.status_code == 200
 
+    client_challenge = response.json().get('client_challenge')
+    assert client_challenge == payload.get('client_challenge')
+    signature = eval(response.headers.get('X-NLS-Signature'))
+    assert len(signature) == 512
+    signature = bytes.fromhex(signature.decode('ascii'))
+    assert len(signature) == 256
+    INSTANCE_KEY_PUB.verify_signature(signature, response.content)
+
     lease_result_list = response.json().get('lease_result_list')
     assert len(lease_result_list) == 1
     assert len(lease_result_list[0]['lease']['ref']) == 36
     assert str(UUID(lease_result_list[0]['lease']['ref'])) == lease_result_list[0]['lease']['ref']
+    assert lease_result_list[0]['lease']['product_name'] == 'NVIDIA Virtual Applications'
+    assert lease_result_list[0]['lease']['feature_name'] == 'GRID-Virtual-Apps'
+
 
 
 def test_leasing_v1_lessor_lease():
@@ -205,9 +261,18 @@ def test_leasing_v1_lease_renew():
 
     ###
 
-    response = client.put(f'/leasing/v1/lease/{active_lease_ref}', headers={'authorization': __bearer_token(ORIGIN_REF)})
+    payload = {'client_challenge': 'my_unique_string'}
+    response = client.put(f'/leasing/v1/lease/{active_lease_ref}', json=payload, headers={'authorization': __bearer_token(ORIGIN_REF)})
     assert response.status_code == 200
 
+    client_challenge = response.json().get('client_challenge')
+    assert client_challenge == payload.get('client_challenge')
+    signature = eval(response.headers.get('X-NLS-Signature'))
+    assert len(signature) == 512
+    signature = bytes.fromhex(signature.decode('ascii'))
+    assert len(signature) == 256
+    INSTANCE_KEY_PUB.verify_signature(signature, response.content)
+
     lease_ref = response.json().get('lease_ref')
     assert len(lease_ref) == 36
     assert lease_ref == active_lease_ref
@@ -236,7 +301,7 @@ def test_leasing_v1_lessor_lease_remove():
         },
         'lease_proposal_list': [{
             'license_type_qualifiers': {'count': 1},
-            'product': {'name': 'NVIDIA RTX Virtual Workstation'}
+            'product': {'name': 'NVIDIA Virtual Applications'}
         }],
         'proposal_evaluation_mode': 'ALL_OF',
         'scope_ref_list': [ALLOTMENT_REF]