Tests for OIDC based auth middleware

Update pip, setuptools, wheel to avoid deprecation warning on
dependency install.

Signed-off-by: John Andersen <johnandersenpdx@gmail.com>

dev-requirements.txt

@@ -5,3 +5,5 @@ requests==2.31.0
 requests-toolbelt==0.9
 urllib3<2.0.0
 myst-parser
+PyJWT
+jwcrypto

environment.yml

@@ -36,3 +36,5 @@ dependencies:
     - urllib3<2.0.0
     - myst-parser==1.0.0
     - jsonschema==4.17.3
+    - jwcrypto==1.5.0
+    - PyJWT==2.8.0

run-tests.sh

@@ -8,8 +8,9 @@ if [ ! -f "venv/bin/activate" ]; then
     echo "Setting up Python virtual environment."
     python3 -m venv "venv"
     . ./venv/bin/activate
+    pip install -q -U pip setuptools wheel
     pip install -q -r dev-requirements.txt
-    pip install -q -e .
+    pip install -q -e .[oidc]
 else
     . ./venv/bin/activate 
 fi

tests/test_cli.py

@@ -1,10 +1,15 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 import os
+import json
 import threading
 import pytest
+import jwt
+import jwcrypto
+from flask import Flask, jsonify
 from werkzeug.serving import make_server
 from scitt_emulator import cli, server
+from scitt_emulator.oidc import OIDCAuthMiddleware
 
 issuer = "did:web:example.com"
 content_type = "application/json"
@@ -149,3 +154,127 @@ def test_client_cli(use_lro: bool, tmp_path):
         with open(receipt_path_2, "rb") as f:
             receipt_2 = f.read()
         assert receipt == receipt_2
+
+
+def create_flask_app_oidc_server(config):
+    app = Flask("oidc_server")
+
+    app.config.update(dict(DEBUG=True))
+    app.config.update(config)
+
+    @app.route("/.well-known/openid-configuration", methods=["GET"])
+    def openid_configuration():
+        return jsonify(
+            {
+                "issuer": app.url,
+                "jwks_uri": f"{app.url}/.well-known/jwks",
+                "response_types_supported": ["id_token"],
+                "claims_supported": ["sub", "aud", "exp", "iat", "iss"],
+                "id_token_signing_alg_values_supported": app.config["algorithms"],
+                "scopes_supported": ["openid"],
+            }
+        )
+
+    @app.route("/.well-known/jwks", methods=["GET"])
+    def jwks():
+        return jsonify(
+            {
+                "keys": [
+                    {
+                        **app.config["key"].export_public(as_dict=True),
+                        "use": "sig",
+                        "kid": app.config["key"].thumbprint(),
+                    }
+                ]
+            }
+        )
+
+    return app
+
+
+def test_client_cli_token(tmp_path):
+    workspace_path = tmp_path / "workspace"
+
+    claim_path = tmp_path / "claim.cose"
+    receipt_path = tmp_path / "claim.receipt.cbor"
+    entry_id_path = tmp_path / "claim.entry_id.txt"
+    retrieved_claim_path = tmp_path / "claim.retrieved.cose"
+
+    key = jwcrypto.jwk.JWK.generate(kty="RSA", size=2048)
+    algorithm = "RS256"
+    audience = "scitt.example.org"
+
+    with Service(
+        {"key": key, "algorithms": [algorithm]},
+        create_flask_app=create_flask_app_oidc_server,
+    ) as oidc_service:
+        os.environ["no_proxy"] = ",".join(
+            os.environ.get("no_proxy", "").split(",") + [oidc_service.host]
+        )
+        middleware_config_path = tmp_path / "oidc-middleware-config.json"
+        middleware_config_path.write_text(
+            json.dumps({"issuer": oidc_service.url, "audience": audience})
+        )
+        with Service(
+            {
+                "middleware": OIDCAuthMiddleware,
+                "middleware_config_path": middleware_config_path,
+                "tree_alg": "CCF",
+                "workspace": workspace_path,
+                "error_rate": 0.1,
+                "use_lro": False,
+            }
+        ) as service:
+            # create claim
+            command = [
+                "client",
+                "create-claim",
+                "--out",
+                claim_path,
+                "--issuer",
+                issuer,
+                "--content-type",
+                content_type,
+                "--payload",
+                payload,
+            ]
+            execute_cli(command)
+            assert os.path.exists(claim_path)
+
+            # submit claim without token
+            command = [
+                "client",
+                "submit-claim",
+                "--claim",
+                claim_path,
+                "--out",
+                receipt_path,
+                "--out-entry-id",
+                entry_id_path,
+                "--url",
+                service.url,
+            ]
+            check_error = None
+            try:
+                execute_cli(command)
+            except Exception as error:
+                check_error = error
+            assert check_error
+            assert not os.path.exists(receipt_path)
+            assert not os.path.exists(entry_id_path)
+
+            # create token
+            token = jwt.encode(
+                {"iss": oidc_service.url, "aud": audience},
+                key.export_to_pem(private_key=True, password=None),
+                algorithm=algorithm,
+                headers={"kid": key.thumbprint()},
+            )
+            # submit claim with token
+            command += [
+                "--token",
+                token,
+            ]
+            execute_cli(command)
+            assert os.path.exists(receipt_path)
+            assert os.path.exists(entry_id_path)