Move OCSP responder to separate repository

This commit is contained in:
Lauri Võsandi 2021-06-03 18:00:58 +00:00
parent c6a762b0c8
commit a5b53e04fa
2 changed files with 0 additions and 135 deletions

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@ -1,127 +0,0 @@
import pytz
from asn1crypto.util import timezone
from asn1crypto import ocsp
from pinecrypt.server import const, authority
from datetime import datetime, timedelta
from math import inf
from motor.motor_asyncio import AsyncIOMotorClient
from oscrypto import asymmetric
from prometheus_client import Counter, Histogram
from sanic import Sanic, response
from sanic_prometheus import monitor
ocsp_request_valid = Counter("pinecrypt_ocsp_request_valid",
"Valid OCSP requests")
ocsp_request_list_size = Histogram("pinecrypt_ocsp_request_list_size",
"Histogram of OCSP request list size",
buckets=(1, 2, 3, inf))
ocsp_request_size_bytes = Histogram("pinecrypt_ocsp_request_size_bytes",
"Histogram of OCSP request size in bytes",
buckets=(100, 200, 500, 1000, 2000, 5000, 10000, inf))
ocsp_request_nonces = Histogram("pinecrypt_ocsp_request_nonces",
"Histogram of nonce count per request",
buckets=(1, 2, 3, inf))
ocsp_response_status = Counter("pinecrypt_ocsp_response_status",
"Status responses", ["status"])
app = Sanic("events")
monitor(app).expose_endpoint()
@app.listener("before_server_start")
async def setup_db(app, loop):
# TODO: find cleaner way to do this, for more see
# https://github.com/sanic-org/sanic/issues/919
app.ctx.db = AsyncIOMotorClient(const.MONGO_URI).get_default_database()
@app.route("/api/ocsp/", methods=["POST"])
async def view_ocsp_responder(request):
ocsp_request_size_bytes.observe(len(request.body))
ocsp_req = ocsp.OCSPRequest.load(request.body)
server_certificate = authority.get_ca_cert()
now = datetime.now(timezone.utc).replace(microsecond=0)
response_extensions = []
nonces = 0
for ext in ocsp_req["tbs_request"]["request_extensions"]:
if ext["extn_id"].native == "nonce":
nonces += 1
response_extensions.append(
ocsp.ResponseDataExtension({
"extn_id": "nonce",
"critical": False,
"extn_value": ext["extn_value"]
})
)
ocsp_request_nonces.observe(nonces)
ocsp_request_valid.inc()
responses = []
ocsp_request_list_size.observe(len(ocsp_req["tbs_request"]["request_list"]))
for item in ocsp_req["tbs_request"]["request_list"]:
serial = item["req_cert"]["serial_number"].native
assert serial > 0, "Serial number correctness check failed"
doc = await app.ctx.db.certidude_certificates.find_one({"serial_number": "%x" % serial})
if doc:
if doc["status"] == "signed":
status = ocsp.CertStatus(name="good", value=None)
ocsp_response_status.labels("good").inc()
elif doc["status"] == "revoked":
status = ocsp.CertStatus(
name="revoked",
value={
"revocation_time": doc["revoked"].replace(tzinfo=pytz.UTC),
"revocation_reason": doc["revocation_reason"],
})
ocsp_response_status.labels("revoked").inc()
else:
# This should not happen, if it does database is mangled
raise ValueError("Invalid/unknown certificate status '%s'" % doc["status"])
else:
status = ocsp.CertStatus(name="unknown", value=None)
ocsp_response_status.labels("unknown").inc()
responses.append({
"cert_id": {
"hash_algorithm": {
"algorithm": "sha1"
},
"issuer_name_hash": server_certificate.asn1.subject.sha1,
"issuer_key_hash": server_certificate.public_key.asn1.sha1,
"serial_number": serial,
},
"cert_status": status,
"this_update": now - const.CLOCK_SKEW_TOLERANCE,
"next_update": now + timedelta(minutes=15) + const.CLOCK_SKEW_TOLERANCE,
"single_extensions": []
})
response_data = ocsp.ResponseData({
"responder_id": ocsp.ResponderId(name="by_key", value=server_certificate.public_key.asn1.sha1),
"produced_at": now,
"responses": responses,
"response_extensions": response_extensions
})
return response.raw(ocsp.OCSPResponse({
"response_status": "successful",
"response_bytes": {
"response_type": "basic_ocsp_response",
"response": {
"tbs_response_data": response_data,
"certs": [server_certificate.asn1],
"signature_algorithm": {"algorithm": "sha1_ecdsa" if authority.public_key.algorithm == "ec" else "sha1_rsa" },
"signature": (asymmetric.ecdsa_sign if authority.public_key.algorithm == "ec" else asymmetric.rsa_pkcs1v15_sign)(
authority.private_key,
response_data.dump(),
"sha1"
)
}
}
}).dump(), headers={"Content-Type": "application/ocsp-response"})

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@ -171,13 +171,6 @@ def pinecone_housekeeping_expiration():
# TODO: Send separate e-mails to subjects # TODO: Send separate e-mails to subjects
@click.command("ocsp-responder")
@waitfile(const.AUTHORITY_CERTIFICATE_PATH)
def pinecone_serve_ocsp_responder():
from pinecrypt.server.api.ocsp import app
app.run(port=5001, debug=const.DEBUG)
@click.command("events") @click.command("events")
def pinecone_serve_events(): def pinecone_serve_events():
from pinecrypt.server.api.events import app from pinecrypt.server.api.events import app
@ -560,7 +553,6 @@ def entry_point(): pass
pinecone_serve.add_command(pinecone_serve_backend) pinecone_serve.add_command(pinecone_serve_backend)
pinecone_serve.add_command(pinecone_serve_ocsp_responder)
pinecone_serve.add_command(pinecone_serve_events) pinecone_serve.add_command(pinecone_serve_events)
pinecone_serve.add_command(pinecone_serve_builder) pinecone_serve.add_command(pinecone_serve_builder)
pinecone_session.add_command(pinecone_session_list) pinecone_session.add_command(pinecone_session_list)