main.py - refactorings & added simple "dataset" database

app/main.py

@@ -1,4 +1,4 @@
-from base64 import b64encode
+from base64 import b64encode as b64enc
 from hashlib import sha256
 from uuid import uuid4
 from os.path import join, dirname
@@ -12,6 +12,7 @@ from calendar import timegm
 from jose import jws, jwk, jwt
 from jose.constants import ALGORITHMS
 from starlette.responses import StreamingResponse, JSONResponse
+import dataset
 from Crypto.PublicKey import RSA
 from Crypto.PublicKey.RSA import RsaKey
 
@@ -28,7 +29,7 @@ def load_key(filename) -> RsaKey:
 
 # todo: initialize certificate (or should be done by user, and passed through "volumes"?)
 
-app = FastAPI()
+app, db = FastAPI(), dataset.connect('sqlite:///db.sqlite')
 
 LEASE_EXPIRE_DELTA = relativedelta(minutes=15)  # days=90
 
@@ -38,6 +39,9 @@ SITE_KEY_XID = getenv('SITE_KEY_XID', '00000000-0000-0000-0000-000000000000')
 INSTANCE_KEY_RSA = load_key(join(dirname(__file__), 'cert/instance.private.pem'))
 INSTANCE_KEY_PUB = load_key(join(dirname(__file__), 'cert/instance.public.pem'))
 
+jwt_encode_key = jwk.construct(INSTANCE_KEY_RSA.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS256)
+jwt_decode_key = jwk.construct(INSTANCE_KEY_PUB.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS512)
+
 
 @app.get('/')
 async def index():
@@ -91,8 +95,7 @@ async def client_token():
         "service_instance_public_key_configuration": service_instance_public_key_configuration,
     }
 
-    key = jwk.construct(INSTANCE_KEY_RSA.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS256)
+    data = jws.sign(payload, key=jwt_encode_key, headers=None, algorithm='RS256')
-    data = jws.sign(payload, key=key, headers=None, algorithm='RS256')
 
     response = StreamingResponse(iter([data]), media_type="text/plain")
     filename = f'client_configuration_token_{datetime.now().strftime("%d-%m-%y-%H-%M-%S")}'
@@ -101,17 +104,25 @@ async def client_token():
 
 
 # venv/lib/python3.9/site-packages/nls_services_auth/test/test_origins_controller.py
+# {"candidate_origin_ref":"00112233-4455-6677-8899-aabbccddeeff","environment":{"fingerprint":{"mac_address_list":["ff:ff:ff:ff:ff:ff"]},"hostname":"my-hostname","ip_address_list":["192.168.178.123","fe80::","fe80::1%enp6s18"],"guest_driver_version":"510.85.02","os_platform":"Debian GNU/Linux 11 (bullseye) 11","os_version":"11 (bullseye)"},"registration_pending":false,"update_pending":false}
 @app.post('/auth/v1/origin')
 async def auth_origin(request: Request):
-    body = await request.body()
+    j = json.loads((await request.body()).decode('utf-8'))
-    body = body.decode('utf-8')
+
-    j = json.loads(body)
+    candidate_origin_ref = j['candidate_origin_ref']
-    # {"candidate_origin_ref":"00112233-4455-6677-8899-aabbccddeeff","environment":{"fingerprint":{"mac_address_list":["ff:ff:ff:ff:ff:ff"]},"hostname":"my-hostname","ip_address_list":["192.168.178.123","fe80::","fe80::1%enp6s18"],"guest_driver_version":"510.85.02","os_platform":"Debian GNU/Linux 11 (bullseye) 11","os_version":"11 (bullseye)"},"registration_pending":false,"update_pending":false}
+    print(f'> [  origin  ]: {candidate_origin_ref}: {j}')
-    print(f'> [  origin  ]: {j}')
+
+    data = dict(
+        candidate_origin_ref=candidate_origin_ref,
+        hostname=j['environment']['hostname'],
+        guest_driver_version=j['environment']['guest_driver_version'],
+        os_platform=j['environment']['os_platform'], os_version=j['environment']['os_version']
+    )
+    db['origin'].insert_ignore(data, ['candidate_origin_ref'])
 
     cur_time = datetime.utcnow()
     response = {
-        "origin_ref": j['candidate_origin_ref'],
+        "origin_ref": candidate_origin_ref,
         "environment": j['environment'],
         "svc_port_set_list": None,
         "node_url_list": None,
@@ -124,13 +135,13 @@ async def auth_origin(request: Request):
 
 # venv/lib/python3.9/site-packages/nls_services_auth/test/test_auth_controller.py
 # venv/lib/python3.9/site-packages/nls_core_auth/auth.py - CodeResponse
+# {"code_challenge":"...","origin_ref":"00112233-4455-6677-8899-aabbccddeeff"}
 @app.post('/auth/v1/code')
 async def auth_code(request: Request):
-    body = await request.body()
+    j = json.loads((await request.body()).decode('utf-8'))
-    body = body.decode('utf-8')
+
-    j = json.loads(body)
+    origin_ref = j['origin_ref']
-    # {"code_challenge":"...","origin_ref":"00112233-4455-6677-8899-aabbccddeeff"}
+    print(f'> [   code   ]: {origin_ref}: {j}')
-    print(f'> [   code   ]: {j}')
 
     cur_time = datetime.utcnow()
     expires = cur_time + relativedelta(days=1)
@@ -144,12 +155,7 @@ async def auth_code(request: Request):
         'kid': SITE_KEY_XID
     }
 
-    headers = None
+    auth_code = jws.sign(payload, key=jwt_encode_key, headers={'kid': payload.get('kid')}, algorithm='RS256')
-    kid = payload.get('kid')
-    if kid:
-        headers = {'kid': kid}
-    key = jwk.construct(INSTANCE_KEY_RSA.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS512)
-    auth_code = jws.sign(payload, key, headers=headers, algorithm='RS256')
 
     response = {
         "auth_code": auth_code,
@@ -161,19 +167,17 @@ async def auth_code(request: Request):
 
 # venv/lib/python3.9/site-packages/nls_services_auth/test/test_auth_controller.py
 # venv/lib/python3.9/site-packages/nls_core_auth/auth.py - TokenResponse
+# {"auth_code":"...","code_verifier":"..."}
 @app.post('/auth/v1/token')
 async def auth_token(request: Request):
-    body = await request.body()
+    j = json.loads((await request.body()).decode('utf-8'))
-    body = body.decode('utf-8')
+    payload = jwt.decode(token=j['auth_code'], key=jwt_decode_key)
-    j = json.loads(body)
-    # {"auth_code":"...","code_verifier":"..."}
 
-    # payload = self._security.get_valid_payload(req.auth_code)  # todo
+    origin_ref = payload['origin_ref']
-    key = jwk.construct(INSTANCE_KEY_PUB.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS512)
+    print(f'> [   auth   ]: {origin_ref}: {j}')
-    payload = jwt.decode(token=j['auth_code'], key=key)
 
     # validate the code challenge
-    if payload['challenge'] != b64encode(sha256(j['code_verifier'].encode('utf-8')).digest()).rstrip(b'=').decode('utf-8'):
+    if payload['challenge'] != b64enc(sha256(j['code_verifier'].encode('utf-8')).digest()).rstrip(b'=').decode('utf-8'):
         raise HTTPException(status_code=403, detail='expected challenge did not match verifier')
 
     cur_time = datetime.utcnow()
@@ -190,12 +194,7 @@ async def auth_token(request: Request):
         'kid': SITE_KEY_XID,
     }
 
-    headers = None
+    auth_token = jwt.encode(new_payload, key=jwt_encode_key, headers={'kid': payload.get('kid')}, algorithm='RS256')
-    kid = payload.get('kid')
-    if kid:
-        headers = {'kid': kid}
-    key = jwk.construct(INSTANCE_KEY_RSA.export_key().decode('utf-8'), algorithm=ALGORITHMS.RS512)
-    auth_token = jwt.encode(new_payload, key=key, headers=headers, algorithm='RS256')
 
     response = {
         "expires": access_expires_on.isoformat(),
@@ -206,18 +205,20 @@ async def auth_token(request: Request):
     return JSONResponse(response)
 
 
+# {'fulfillment_context': {'fulfillment_class_ref_list': []}, 'lease_proposal_list': [{'license_type_qualifiers': {'count': 1}, 'product': {'name': 'NVIDIA RTX Virtual Workstation'}}], 'proposal_evaluation_mode': 'ALL_OF', 'scope_ref_list': ['00112233-4455-6677-8899-aabbccddeeff']}
 @app.post('/leasing/v1/lessor')
 async def leasing_lessor(request: Request):
-    body = await request.body()
+    j = json.loads((await request.body()).decode('utf-8'))
-    body = body.decode('utf-8')
+    token = jwt.decode(request.headers['authorization'].split(' ')[1], key=jwt_decode_key, algorithms='RS256', options={'verify_aud': False})
-    j = json.loads(body)
+
-    # {'fulfillment_context': {'fulfillment_class_ref_list': []}, 'lease_proposal_list': [{'license_type_qualifiers': {'count': 1}, 'product': {'name': 'NVIDIA RTX Virtual Workstation'}}], 'proposal_evaluation_mode': 'ALL_OF', 'scope_ref_list': ['00112233-4455-6677-8899-aabbccddeeff']}
+    code_challenge = token['origin_ref']
-    print(f'> [  lessor  ]: {j}')
+    scope_ref_list = j['scope_ref_list']
+    print(f'> [  lessor  ]: {code_challenge}: {j}')
+    print(f'> {code_challenge}: create leases for scope_ref_list {scope_ref_list}')
 
     cur_time = datetime.utcnow()
-    # todo: keep track of leases, to return correct list on '/leasing/v1/lessor/leases'
     lease_result_list = []
-    for scope_ref in j['scope_ref_list']:
+    for scope_ref in scope_ref_list:
         lease_result_list.append({
             "ordinal": 0,
             "lease": {
@@ -229,6 +230,8 @@ async def leasing_lessor(request: Request):
                 "license_type": "CONCURRENT_COUNTED_SINGLE"
             }
         })
+        data = dict(origin_ref=code_challenge, lease_ref=scope_ref, expires=None, last_update=None)
+        db['leases'].insert_ignore(data, ['origin_ref', 'lease_ref'])
 
     response = {
         "lease_result_list": lease_result_list,
@@ -243,13 +246,23 @@ async def leasing_lessor(request: Request):
 # venv/lib/python3.9/site-packages/nls_services_lease/test/test_lease_multi_controller.py
 @app.get('/leasing/v1/lessor/leases')
 async def leasing_lessor_lease(request: Request):
+    token = jwt.decode(request.headers['authorization'].split(' ')[1], key=key, algorithms='RS256', options={'verify_aud': False})
+
+    code_challenge = token['origin_ref']
+    active_lease_list = list(map(lambda x: x['lease_ref'], db['leases'].find(origin_ref=code_challenge)))
+    print(f'> {code_challenge}: found {len(active_lease_list)} active leases')
+
+    if len(active_lease_list) == 0:
+        raise HTTPException(status_code=400, detail="No leases available")
+
     cur_time = datetime.utcnow()
     # venv/lib/python3.9/site-packages/nls_dal_service_instance_dls/schema/service_instance/V1_0_21__product_mapping.sql
     response = {
-        # GRID-Virtual-WS 2.0 CONCURRENT_COUNTED_SINGLE
+        # "active_lease_list": [
-        "active_lease_list": [
+        #    # "BE276D7B-2CDB-11EC-9838-061A22468B59"  # (works on Linux) GRID-Virtual-WS 2.0 CONCURRENT_COUNTED_SINGLE // 'NVIDIA Virtual PC','NVIDIA Virtual PC'
-            "BE276D7B-2CDB-11EC-9838-061A22468B59"
+        #    "BE276EFE-2CDB-11EC-9838-061A22468B59"  # GRID-Virtual-WS 2.0 CONCURRENT_COUNTED_SINGLE // 'NVIDIA RTX Virtual Workstation','NVIDIA RTX Virtual Workstation
-        ],
+        # ],
+        "active_lease_list": active_lease_list,
         "sync_timestamp": cur_time.isoformat(),
         "prompts": None
     }
@@ -260,26 +273,44 @@ async def leasing_lessor_lease(request: Request):
 # venv/lib/python3.9/site-packages/nls_core_lease/lease_single.py
 @app.put('/leasing/v1/lease/{lease_ref}')
 async def leasing_lease_renew(request: Request, lease_ref: str):
-    print(f'> [  renew   ]: lease: {lease_ref}')
+    token = jwt.decode(request.headers['authorization'].split(' ')[1], key=jwt_decode_key, algorithms='RS256', options={'verify_aud': False})
+
+    code_challenge = token['origin_ref']
+    print(f'> {code_challenge}: renew {lease_ref}')
+
+    if db['leases'].count(lease_ref=lease_ref) == 0:
+        raise HTTPException(status_code=400, detail="No leases available")
 
     cur_time = datetime.utcnow()
+    expires = cur_time + LEASE_EXPIRE_DELTA
     response = {
         "lease_ref": lease_ref,
-        "expires": (cur_time + LEASE_EXPIRE_DELTA).isoformat(),
+        "expires": expires.isoformat(),
         "recommended_lease_renewal": 0.16,
+        # 0.16 = 10 min, 0.25 = 15 min, 0.33 = 20 min, 0.5 = 30 min (should be lower than "LEASE_EXPIRE_DELTA")
         "offline_lease": True,
         "prompts": None,
         "sync_timestamp": cur_time.isoformat(),
     }
 
+    data = dict(lease_ref=lease_ref, origin_ref=code_challenge, expires=expires, last_update=cur_time)
+    db['leases'].update(data, ['lease_ref'])
+
     return JSONResponse(response)
 
 
 @app.delete('/leasing/v1/lessor/leases')
 async def leasing_lessor_lease_remove(request: Request):
+    token = jwt.decode(request.headers['authorization'].split(' ')[1], key=jwt_decode_key, algorithms='RS256', options={'verify_aud': False})
+
+    code_challenge = token['origin_ref']
+    released_lease_list = list(map(lambda x: x['lease_ref'], db['leases'].find(origin_ref=code_challenge)))
+    deletions = db['leases'].delete(origin_ref=code_challenge)
+    print(f'> {code_challenge}: removed {deletions} leases')
+
     cur_time = datetime.utcnow()
     response = {
-        "released_lease_list": None,
+        "released_lease_list": released_lease_list,
         "release_failure_list": None,
         "sync_timestamp": cur_time.isoformat(),
         "prompts": None