diff --git a/app/helper.py b/app/helper.py new file mode 100644 index 0000000..6684de6 --- /dev/null +++ b/app/helper.py @@ -0,0 +1,28 @@ +from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKeyWithSerialization +from cryptography.hazmat.primitives.serialization import load_pem_private_key, Encoding, PrivateFormat, PublicFormat, \ + NoEncryption + + +def load_file(filename) -> bytes: + with open(filename, 'rb') as file: + content = file.read() + return content + + +def load_key(filename) -> RSAPrivateKeyWithSerialization: + return load_pem_private_key(data=load_file(filename), password=None) + + +def private_bytes(rsa: RSAPrivateKeyWithSerialization) -> bytes: + return rsa.private_bytes( + encoding=Encoding.PEM, + format=PrivateFormat.TraditionalOpenSSL, + encryption_algorithm=NoEncryption() + ) + + +def public_key(rsa: RSAPrivateKeyWithSerialization) -> bytes: + return rsa.public_key().public_bytes( + encoding=Encoding.PEM, + format=PublicFormat.SubjectPublicKeyInfo + ) diff --git a/app/main.py b/app/main.py new file mode 100644 index 0000000..71007c5 --- /dev/null +++ b/app/main.py @@ -0,0 +1,264 @@ +from base64 import b64encode +from hashlib import sha256 +from uuid import uuid4 + +from fastapi import FastAPI, HTTPException +from fastapi.requests import Request +import json +from datetime import datetime, timedelta +from calendar import timegm +from jose import jws, jwk, jwt +from jose.constants import ALGORITHMS +from starlette.responses import StreamingResponse + +from app.helper import load_key, private_bytes, public_key + +app = FastAPI() + +URL = '192.168.178.196' +SITE_KEY_FILE = load_key('/opt/fastapi-dls/site.key') +SITE_KEY_XID = '00000000-0000-0000-0000-000000000000' + +SITE_KEY_RSA = private_bytes(SITE_KEY_FILE) +SITE_KEY_PUB = public_key(SITE_KEY_FILE) + + +@app.get('/') +async def index(): + return {'hello': 'world'} + + +# venv/lib/python3.9/site-packages/nls_core_service_instance/service_instance_token_manager.py +@app.get('/client-token') +async def client_token(): + public_key_me = SITE_KEY_FILE.public_key().public_numbers() + service_instance_public_key_me = { + "mod": hex(public_key_me.n)[2:], + "exp": public_key_me.e, + }, + + cur_time = datetime.utcnow() + exp_time = cur_time + timedelta(days=1) + payload = { + "jti": str(uuid4()), + "iss": "NLS Service Instance", + "aud": "NLS Licensed Client", + "iat": cur_time, + "nbf": cur_time, + "exp": exp_time, + "update_mode": "ABSOLUTE", + "scope_ref_list": [ + "482f24b5-0a60-4ec2-a63a-9ed00bc2534e" + # todo: "scope_ref_list" should be a unique client id (which identifies leases, etc.) + ], + "fulfillment_class_ref_list": [], + "service_instance_configuration": { + "nls_service_instance_ref": "b43d6e46-d6d0-4943-8b8d-c66a5f6e0d38", + "svc_port_set_list": [ + { + "idx": 0, + "d_name": "DLS", + "svc_port_map": [ + {"service": "auth", "port": 443}, + {"service": "lease", "port": 443} + ] + } + ], + "node_url_list": [{"idx": 0, "url": URL, "url_qr": URL, "svc_port_set_idx": 0}] + }, + "service_instance_public_key_configuration": { + "service_instance_public_key_me": service_instance_public_key_me, + "service_instance_public_key_pem": SITE_KEY_PUB.decode('utf-8'), + "key_retention_mode": "LATEST_ONLY" + } + } + + key = jwk.construct(SITE_KEY_RSA, algorithm=ALGORITHMS.RS512) + data = jwt.encode(payload, key=key, headers=None, algorithm='RS256') + + response = StreamingResponse(iter([data]), media_type="text/plain") + response.headers["Content-Disposition"] = "attachment; filename=client_token.tok" + return response + + +# venv/lib/python3.9/site-packages/nls_services_auth/test/test_origins_controller.py +@app.post('/auth/v1/origin') +async def auth(request: Request, status_code=201): + body = await request.body() + body = body.decode('utf-8') + j = json.loads(body) + # {"candidate_origin_ref":"00112233-4455-6677-8899-aabbccddeeff","environment":{"fingerprint":{"mac_address_list":["fa:52:16:65:c5:28"]},"hostname":"debian-grid-test","ip_address_list":["192.168.178.12","fdfe:7fcd:e30f:40f5:f852:16ff:fe65:c528","fe80::f852:16ff:fe65:c528%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} + + cur_time = datetime.utcnow() + response = { + "origin_ref": j['candidate_origin_ref'], + "environment": { + "fingerprint": {"mac_address_list": ["e4:b9:7a:e5:7b:ff"]}, + "guest_driver_version": "guest_driver_version", + "hostname": "myhost", + "os_platform": "os_platform", + "os_version": "os_version", + "ip_address_list": ["192.168.1.129"] + }, + "svc_port_set_list": None, + "node_url_list": None, + "node_query_order": None, + "prompts": None, + "sync_timestamp": cur_time + } + return response + + +# 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 +@app.post('/auth/v1/code') +async def code(request: Request): + body = await request.body() + body = body.decode('utf-8') + j = json.loads(body) + # {"code_challenge":"QhDaArKDQwFeQ5Jq4Dn5hy37ODF8Jq3igXCXvWEgs5I","origin_ref":"00112233-4455-6677-8899-aabbccddeeff"} + + cur_time = datetime.utcnow() + expires = cur_time + timedelta(days=1) + + payload = { + 'iat': timegm(cur_time.timetuple()), + 'exp': timegm(expires.timetuple()), + 'challenge': j['code_challenge'], + 'origin_ref': j['code_challenge'], + 'key_ref': SITE_KEY_XID, + 'kid': SITE_KEY_XID + } + + headers = None + kid = payload.get('kid') + if kid: + headers = {'kid': kid} + key = jwk.construct(SITE_KEY_RSA, algorithm=ALGORITHMS.RS512) + auth_code = jws.sign(payload, key, headers=headers, algorithm='RS256') + + response = { + "auth_code": auth_code, + "sync_timestamp": datetime.utcnow(), + "prompts": None + } + return response + + +# 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 +@app.post('/auth/v1/token') +async def token(request: Request): + body = await request.body() + body = body.decode('utf-8') + j = json.loads(body) + # {"auth_code":"eyJhbGciOiJSUzI1NiIsImtpZCI6IjAwMDAwMDAwLTAwMDAtMDAwMC0wMDAwLTAwMDAwMDAwMDAwMCIsInR5cCI6IkpXVCJ9.eyJpYXQiOjE2NzExODI5MTQsImV4cCI6MTY3MTI2OTMxNCwiY2hhbGxlbmdlIjoiaXdZdFpIME03K0ZZUWdRQXEwbjhabThWcFpJbWdtV1NDSXI1MkdTSlMxayIsIm9yaWdpbl9yZWYiOiJpd1l0WkgwTTcrRllRZ1FBcTBuOFptOFZwWkltZ21XU0NJcjUyR1NKUzFrIiwia2V5X3JlZiI6IjAwMDAwMDAwLTAwMDAtMDAwMC0wMDAwLTAwMDAwMDAwMDAwMCIsImtpZCI6IjAwMDAwMDAwLTAwMDAtMDAwMC0wMDAwLTAwMDAwMDAwMDAwMCJ9.hkBPQx7UbXqwRzpTSp5fASwLg7rJOgjDOGD98Zh6pEkPW09KjxcsaHKeR8KIZmDS1S_kLed93-UzUY4wXAylFBlM-daL-TEbHJau2muZGWXPrtdsGLI9CLFcc0dmocq1_5rnRV3liqjdZwL8djK9Fx_5tOzEfeI9oCJ49Sh2LD_p1vkFcqUv9z9mVL9IGsoRM6y4hJ2YKBloijzhMLp5E7nojyD6Z8PQZ0mOIOc3tncAaXQS47JhgGsJPUDR-YoLF5uNpAlJKZP2eZWJt3P7MvhIz3lxFPUJ5jHX64Vf0Ds10-GBctZuy1-eCLBXj74uQy_U4KlnCif-5N8bPTvgxw","code_verifier":"CgnDPaugQCb4U6l3EfJSFsA/JxMqNO4TqONeb9yl8EVRWU88yTPlEeJgZQO0f/JVnScYOsvwa0jcvTAMBulEKgucfxDDVL1cBOylGugQ0QlJsXU5hJ8VLAQtOyPthnVyEutERNyOKVwl3YI5Z5EfUcfuhDqmxBUpnAFtQ9H3R3g"} + + # payload = self._security.get_valid_payload(req.auth_code) # todo + key = jwk.construct(SITE_KEY_PUB, algorithm=ALGORITHMS.RS512) + 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'): + raise HTTPException(status_code=403, detail='expected challenge did not match verifier') + + cur_time = datetime.utcnow() + access_expires_on = cur_time + timedelta(days=1) + + new_payload = { + 'iat': timegm(cur_time.timetuple()), + 'nbf': timegm(cur_time.timetuple()), + 'iss': 'https://cls.nvidia.org', + 'aud': 'https://cls.nvidia.org', + 'exp': timegm(access_expires_on.timetuple()), + 'origin_ref': payload['origin_ref'], + 'key_ref': SITE_KEY_XID, + 'kid': SITE_KEY_XID, + } + + headers = None + kid = payload.get('kid') + if kid: + headers = {'kid': kid} + key = jwk.construct(SITE_KEY_RSA, algorithm=ALGORITHMS.RS512) + auth_token = jwt.encode(new_payload, key=key, headers=headers, algorithm='RS256') + + response = { + "expires": access_expires_on, + "auth_token": auth_token, + "sync_timestamp": cur_time, + } + + return response + + +@app.post('/leasing/v1/lessor') +async def lessor(request: Request): + body = await request.body() + body = body.decode('utf-8') + 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': ['482f24b5-0a60-4ec2-a63a-9ed00bc2534e']} + + 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']: + lease_result_list.append({ + "ordinal": 0, + "lease": { + "ref": scope_ref, + "created": cur_time, + "expires": cur_time + timedelta(days=90), + "recommended_lease_renewal": 0.15, + "offline_lease": "true", + "license_type": "CONCURRENT_COUNTED_SINGLE" + } + }) + + response = { + "lease_result_list": lease_result_list, + "result_code": "SUCCESS", + "sync_timestamp": cur_time, + "prompts": None + } + + return response + + +# venv/lib/python3.9/site-packages/nls_services_lease/test/test_lease_multi_controller.py +@app.get('/leasing/v1/lessor/leases') +async def lease(request: Request): + 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": [ + "BE276D7B-2CDB-11EC-9838-061A22468B59" + ], + "sync_timestamp": cur_time, + "prompts": None + } + + return response + + +@app.delete('/leasing/v1/lessor/leases') +async def lease_remove(request: Request, status_code=200): + cur_time = datetime.utcnow() + response = { + "released_lease_list": None, + "release_failure_list": None, + "sync_timestamp": cur_time, + "prompts": None + } + return response + + +if __name__ == '__main__': + import uvicorn + + ssl_keyfile = 'key.pem' + ssl_certfile = 'cert.pem' + + uvicorn.run('main:app', host='0.0.0.0', port=443, ssl_keyfile=ssl_keyfile, ssl_certfile=ssl_certfile)