no op cipher for testing

spiffworkflow-backend/bin/deploy

@@ -1,48 +0,0 @@
-#!/usr/bin/env bash
-
-function error_handler() {
-  >&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
-  exit "$2"
-}
-trap 'error_handler ${LINENO} $?' ERR
-set -o errtrace -o errexit -o nounset -o pipefail
-
-if [[ -z "${SPIFFWORKFLOW_BACKEND_ENV:-}" ]]; then
-  export SPIFFWORKFLOW_BACKEND_ENV=staging
-fi
-
-if [[ -z "${FLASK_SESSION_SECRET_KEY:-}" ]]; then
-  export FLASK_SESSION_SECRET_KEY=staging_super_secret_key_dont_tell_anyone
-fi
-
-if [[ -z "${SPIFFWORKFLOW_BACKEND_MYSQL_ROOT_PASSWORD:-}" ]]; then
-  export SPIFFWORKFLOW_BACKEND_MYSQL_ROOT_PASSWORD=St4g3Th1515
-fi
-
-if [[ -z "${SPIFFWORKFLOW_BACKEND_DATABASE_NAME:-}" ]]; then
-  export SPIFFWORKFLOW_BACKEND_DATABASE_NAME=spiffworkflow_backend_staging
-fi
-
-if [[ -z "${SPIFFWORKFLOW_BACKEND_DATABASE_DOCKER_RESTART_POLICY:-}" ]]; then
-  export SPIFFWORKFLOW_BACKEND_DATABASE_DOCKER_RESTART_POLICY=always
-fi
-
-if [[ -z "${SPIFFWORKFLOW_BACKEND_DOCKER_COMPOSE_PROFILE:-}" ]]; then
-  export SPIFFWORKFLOW_BACKEND_DOCKER_COMPOSE_PROFILE=run
-fi
-
-if [[ -z "${SPIFFWORKFLOW_BACKEND_URL_FOR_FRONTEND:-}" ]]; then
-  export SPIFFWORKFLOW_BACKEND_URL_FOR_FRONTEND='http://167.172.242.138:7001'
-fi
-
-if [[ -z "${SPIFFWORKFLOW_BACKEND_URL:-}" ]]; then
-  export SPIFFWORKFLOW_BACKEND_URL='http://167.172.242.138:7000'
-fi
-
-if [[ -z "${SPIFFWORKFLOW_BACKEND_OPEN_ID_SERVER_URL:-}" ]]; then
-  export SPIFFWORKFLOW_BACKEND_OPEN_ID_SERVER_URL='http://167.172.242.138:7002'
-fi
-
-git pull
-./bin/build_and_run_with_docker_compose
-./bin/wait_for_server_to_be_up

spiffworkflow-backend/bin/run_server_locally

@@ -20,7 +20,8 @@ fi
 SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR=$(./bin/find_sample_process_models)
 export SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR
 
-export FLASK_SESSION_SECRET_KEY=super_secret_key
+# export FLASK_SESSION_SECRET_KEY="super_secret_key"
+export FLASK_SESSION_SECRET_KEY="e7711a3ba96c46c68e084a86952de16f"
 export SPIFFWORKFLOW_BACKEND_APPLICATION_ROOT="/"
 
 if [[ -n "${SPIFFWORKFLOW_BACKEND_LOAD_FIXTURE_DATA:-}" ]]; then

spiffworkflow-backend/conftest.py

@@ -37,7 +37,7 @@ from spiffworkflow_backend import create_app  # noqa: E402
 def app() -> Flask:
     """App."""
     os.environ["SPIFFWORKFLOW_BACKEND_ENV"] = "unit_testing"
-    os.environ["FLASK_SESSION_SECRET_KEY"] = "super_secret_key"
+    os.environ["FLASK_SESSION_SECRET_KEY"] = "e7711a3ba96c46c68e084a86952de16f"
     app = create_app()
 
     return app

spiffworkflow-backend/docker-compose.yml

@@ -51,7 +51,7 @@ services:
       context: .
     environment:
       - FLASK_DEBUG=0
-      - FLASK_SESSION_SECRET_KEY=${FLASK_SESSION_SECRET_KEY:-super_secret_key}
+      - FLASK_SESSION_SECRET_KEY=${FLASK_SESSION_SECRET_KEY:-e7711a3ba96c46c68e084a86952de16f}
       - SPIFFWORKFLOW_BACKEND_APPLICATION_ROOT=/
       - SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR=/app/process_models
       - SPIFFWORKFLOW_BACKEND_DATABASE_URI=mysql+mysqlconnector://root:${SPIFFWORKFLOW_BACKEND_MYSQL_ROOT_DATABASE:-my-secret-pw}@localhost:7003/${SPIFFWORKFLOW_BACKEND_DATABASE_NAME:-spiffworkflow_backend_development}

spiffworkflow-backend/noxfile.py

@@ -40,7 +40,7 @@ def setup_database(session: Session) -> None:
         os.getcwd(), "instance", "testing"
     )
     flask_env_key = "FLASK_SESSION_SECRET_KEY"
-    session.env[flask_env_key] = "super_secret_key"
+    session.env[flask_env_key] = "e7711a3ba96c46c68e084a86952de16f"
     session.env["FLASK_APP"] = "src/spiffworkflow_backend"
     session.env["SPIFFWORKFLOW_BACKEND_ENV"] = "unit_testing"
     session.run("flask", "db", "upgrade")

spiffworkflow-backend/poetry.lock

@@ -254,6 +254,17 @@ category = "main"
 optional = false
 python-versions = ">=3.6"
 
+[[package]]
+name = "cffi"
+version = "1.15.1"
+description = "Foreign Function Interface for Python calling C code."
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+pycparser = "*"
+
 [[package]]
 name = "cfgv"
 version = "3.3.1"
@@ -403,6 +414,27 @@ tomli = {version = "*", optional = true, markers = "python_full_version <= \"3.1
 [package.extras]
 toml = ["tomli"]
 
+[[package]]
+name = "cryptography"
+version = "39.0.2"
+description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+cffi = ">=1.12"
+
+[package.extras]
+docs = ["sphinx (>=5.3.0)", "sphinx-rtd-theme (>=1.1.1)"]
+docstest = ["pyenchant (>=1.6.11)", "sphinxcontrib-spelling (>=4.0.1)", "twine (>=1.12.0)"]
+pep8test = ["black", "check-manifest", "mypy", "ruff", "types-pytz", "types-requests"]
+sdist = ["setuptools-rust (>=0.11.4)"]
+ssh = ["bcrypt (>=3.1.5)"]
+test = ["hypothesis (>=1.11.4,!=3.79.2)", "iso8601", "pretend", "pytest (>=6.2.0)", "pytest-benchmark", "pytest-cov", "pytest-shard (>=0.1.2)", "pytest-subtests", "pytest-xdist", "pytz"]
+test-randomorder = ["pytest-randomly"]
+tox = ["tox"]
+
 [[package]]
 name = "darglint"
 version = "1.8.1"
@@ -1261,6 +1293,14 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[[package]]
+name = "pycparser"
+version = "2.21"
+description = "C parser in Python"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
 [[package]]
 name = "pycryptodome"
 version = "3.17"
@@ -2234,7 +2274,7 @@ testing = ["flake8 (<5)", "func-timeout", "jaraco.functools", "jaraco.itertools"
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.9,<3.12"
-content-hash = "eac3b5aa78efea376a9e23e32f9e6853cc22c17a2a21b41e30800cb7c807d017"
+content-hash = "7ab6d5021406b573edfdca4f9e0f5e62c41a6f6ea09d34154df72454887e3670"
 
 [metadata.files]
 alabaster = [
@@ -2339,6 +2379,72 @@ certifi = [
     {file = "certifi-2022.12.7-py3-none-any.whl", hash = "sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18"},
     {file = "certifi-2022.12.7.tar.gz", hash = "sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3"},
 ]
+cffi = [
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+    {file = "cffi-1.15.1-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:98d85c6a2bef81588d9227dde12db8a7f47f639f4a17c9ae08e773aa9c697bf3"},
+    {file = "cffi-1.15.1-cp39-cp39-win32.whl", hash = "sha256:40f4774f5a9d4f5e344f31a32b5096977b5d48560c5592e2f3d2c4374bd543ee"},
+    {file = "cffi-1.15.1-cp39-cp39-win_amd64.whl", hash = "sha256:70df4e3b545a17496c9b3f41f5115e69a4f2e77e94e1d2a8e1070bc0c38c8a3c"},
+    {file = "cffi-1.15.1.tar.gz", hash = "sha256:d400bfb9a37b1351253cb402671cea7e89bdecc294e8016a707f6d1d8ac934f9"},
+]
 cfgv = [
     {file = "cfgv-3.3.1-py2.py3-none-any.whl", hash = "sha256:c6a0883f3917a037485059700b9e75da2464e6c27051014ad85ba6aaa5884426"},
     {file = "cfgv-3.3.1.tar.gz", hash = "sha256:f5a830efb9ce7a445376bb66ec94c638a9787422f96264c98edc6bdeed8ab736"},
@@ -2435,6 +2541,31 @@ coverage = [
     {file = "coverage-6.5.0-pp36.pp37.pp38-none-any.whl", hash = "sha256:1431986dac3923c5945271f169f59c45b8802a114c8f548d611f2015133df77a"},
     {file = "coverage-6.5.0.tar.gz", hash = "sha256:f642e90754ee3e06b0e7e51bce3379590e76b7f76b708e1a71ff043f87025c84"},
 ]
+cryptography = [
+    {file = "cryptography-39.0.2-cp36-abi3-macosx_10_12_universal2.whl", hash = "sha256:2725672bb53bb92dc7b4150d233cd4b8c59615cd8288d495eaa86db00d4e5c06"},
+    {file = "cryptography-39.0.2-cp36-abi3-macosx_10_12_x86_64.whl", hash = "sha256:23df8ca3f24699167daf3e23e51f7ba7334d504af63a94af468f468b975b7dd7"},
+    {file = "cryptography-39.0.2-cp36-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_24_aarch64.whl", hash = "sha256:eb40fe69cfc6f5cdab9a5ebd022131ba21453cf7b8a7fd3631f45bbf52bed612"},
+    {file = "cryptography-39.0.2-cp36-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:bc0521cce2c1d541634b19f3ac661d7a64f9555135e9d8af3980965be717fd4a"},
+    {file = "cryptography-39.0.2-cp36-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ffd394c7896ed7821a6d13b24657c6a34b6e2650bd84ae063cf11ccffa4f1a97"},
+    {file = "cryptography-39.0.2-cp36-abi3-manylinux_2_24_x86_64.whl", hash = "sha256:e8a0772016feeb106efd28d4a328e77dc2edae84dfbac06061319fdb669ff828"},
+    {file = "cryptography-39.0.2-cp36-abi3-manylinux_2_28_aarch64.whl", hash = "sha256:8f35c17bd4faed2bc7797d2a66cbb4f986242ce2e30340ab832e5d99ae60e011"},
+    {file = "cryptography-39.0.2-cp36-abi3-manylinux_2_28_x86_64.whl", hash = "sha256:b49a88ff802e1993b7f749b1eeb31134f03c8d5c956e3c125c75558955cda536"},
+    {file = "cryptography-39.0.2-cp36-abi3-musllinux_1_1_aarch64.whl", hash = "sha256:5f8c682e736513db7d04349b4f6693690170f95aac449c56f97415c6980edef5"},
+    {file = "cryptography-39.0.2-cp36-abi3-musllinux_1_1_x86_64.whl", hash = "sha256:d7d84a512a59f4412ca8549b01f94be4161c94efc598bf09d027d67826beddc0"},
+    {file = "cryptography-39.0.2-cp36-abi3-win32.whl", hash = "sha256:c43ac224aabcbf83a947eeb8b17eaf1547bce3767ee2d70093b461f31729a480"},
+    {file = "cryptography-39.0.2-cp36-abi3-win_amd64.whl", hash = "sha256:788b3921d763ee35dfdb04248d0e3de11e3ca8eb22e2e48fef880c42e1f3c8f9"},
+    {file = "cryptography-39.0.2-pp38-pypy38_pp73-macosx_10_12_x86_64.whl", hash = "sha256:d15809e0dbdad486f4ad0979753518f47980020b7a34e9fc56e8be4f60702fac"},
+    {file = "cryptography-39.0.2-pp38-pypy38_pp73-manylinux_2_28_aarch64.whl", hash = "sha256:50cadb9b2f961757e712a9737ef33d89b8190c3ea34d0fb6675e00edbe35d074"},
+    {file = "cryptography-39.0.2-pp38-pypy38_pp73-manylinux_2_28_x86_64.whl", hash = "sha256:103e8f7155f3ce2ffa0049fe60169878d47a4364b277906386f8de21c9234aa1"},
+    {file = "cryptography-39.0.2-pp38-pypy38_pp73-win_amd64.whl", hash = "sha256:6236a9610c912b129610eb1a274bdc1350b5df834d124fa84729ebeaf7da42c3"},
+    {file = "cryptography-39.0.2-pp39-pypy39_pp73-macosx_10_12_x86_64.whl", hash = "sha256:e944fe07b6f229f4c1a06a7ef906a19652bdd9fd54c761b0ff87e83ae7a30354"},
+    {file = "cryptography-39.0.2-pp39-pypy39_pp73-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_24_aarch64.whl", hash = "sha256:35d658536b0a4117c885728d1a7032bdc9a5974722ae298d6c533755a6ee3915"},
+    {file = "cryptography-39.0.2-pp39-pypy39_pp73-manylinux_2_24_x86_64.whl", hash = "sha256:30b1d1bfd00f6fc80d11300a29f1d8ab2b8d9febb6ed4a38a76880ec564fae84"},
+    {file = "cryptography-39.0.2-pp39-pypy39_pp73-manylinux_2_28_aarch64.whl", hash = "sha256:e029b844c21116564b8b61216befabca4b500e6816fa9f0ba49527653cae2108"},
+    {file = "cryptography-39.0.2-pp39-pypy39_pp73-manylinux_2_28_x86_64.whl", hash = "sha256:fa507318e427169ade4e9eccef39e9011cdc19534f55ca2f36ec3f388c1f70f3"},
+    {file = "cryptography-39.0.2-pp39-pypy39_pp73-win_amd64.whl", hash = "sha256:8bc0008ef798231fac03fe7d26e82d601d15bd16f3afaad1c6113771566570f3"},
+    {file = "cryptography-39.0.2.tar.gz", hash = "sha256:bc5b871e977c8ee5a1bbc42fa8d19bcc08baf0c51cbf1586b0e87a2694dde42f"},
+]
 darglint = [
     {file = "darglint-1.8.1-py3-none-any.whl", hash = "sha256:5ae11c259c17b0701618a20c3da343a3eb98b3bc4b5a83d31cdd94f5ebdced8d"},
     {file = "darglint-1.8.1.tar.gz", hash = "sha256:080d5106df149b199822e7ee7deb9c012b49891538f14a11be681044f0bb20da"},
@@ -2970,6 +3101,10 @@ pycodestyle = [
     {file = "pycodestyle-2.8.0-py2.py3-none-any.whl", hash = "sha256:720f8b39dde8b293825e7ff02c475f3077124006db4f440dcbc9a20b76548a20"},
     {file = "pycodestyle-2.8.0.tar.gz", hash = "sha256:eddd5847ef438ea1c7870ca7eb78a9d47ce0cdb4851a5523949f2601d0cbbe7f"},
 ]
+pycparser = [
+    {file = "pycparser-2.21-py2.py3-none-any.whl", hash = "sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9"},
+    {file = "pycparser-2.21.tar.gz", hash = "sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206"},
+]
 pycryptodome = [
     {file = "pycryptodome-3.17-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:2c5631204ebcc7ae33d11c43037b2dafe25e2ab9c1de6448eb6502ac69c19a56"},
     {file = "pycryptodome-3.17-cp27-cp27m-manylinux2010_i686.whl", hash = "sha256:04779cc588ad8f13c80a060b0b1c9d1c203d051d8a43879117fe6b8aaf1cd3fa"},

spiffworkflow-backend/pyproject.toml

@@ -73,6 +73,7 @@ types-dateparser = "^1.1.4.1"
 flask-jwt-extended = "^4.4.4"
 pylint = "^2.15.10"
 flask-simple-crypt = "^0.3.3"
+cryptography = "^39.0.2"
 
 
 [tool.poetry.dev-dependencies]

spiffworkflow-backend/src/spiffworkflow_backend/__init__.py

@@ -1,4 +1,5 @@
 """__init__."""
+import base64
 import faulthandler
 import os
 import sys
@@ -85,6 +86,14 @@ def start_scheduler(
     scheduler.start()
 
 
+class NoOpCipher:
+    def encrypt(self, value: str) -> bytes:
+        return str.encode(value)
+
+    def decrypt(self, value: str) -> str:
+        return value
+
+
 def create_app() -> flask.app.Flask:
     """Create_app."""
     faulthandler.enable()
@@ -134,10 +143,23 @@ def create_app() -> flask.app.Flask:
 
     configure_sentry(app)
 
-    cipher = SimpleCrypt()
+    encryption_lib = app.config.get("SPIFFWORKFLOW_BACKEND_ENCRYPTION_LIB")
+    if encryption_lib == "cryptography":
+        from cryptography.fernet import Fernet
+        app_secret_key = app.config.get("SECRET_KEY")
+        app_secret_key_bytes = app_secret_key.encode()
+        base64_key = base64.b64encode(app_secret_key_bytes)
+        fernet_cipher = Fernet(base64_key)
+        app.config["CIPHER"] = fernet_cipher
+    # for comparison against possibly-slow encryption libraries
+    elif encryption_lib == "no_op_cipher":
+        no_op_cipher = NoOpCipher()
+        app.config["CIPHER"] = no_op_cipher
+    else:
+        simple_crypt_cipher = SimpleCrypt()
         app.config["FSC_EXPANSION_COUNT"] = 2048
-    cipher.init_app(app)
+        simple_crypt_cipher.init_app(app)
-    app.config["CIPHER"] = cipher
+        app.config["CIPHER"] = simple_crypt_cipher
 
     app.before_request(verify_token)
     app.before_request(AuthorizationService.check_for_permission)

spiffworkflow-backend/src/spiffworkflow_backend/config/default.py

@@ -55,6 +55,13 @@ SPIFFWORKFLOW_BACKEND_OPEN_ID_TENANT_SPECIFIC_FIELDS = environ.get(
     "SPIFFWORKFLOW_BACKEND_OPEN_ID_TENANT_SPECIFIC_FIELDS"
 )
 
+# cryptography or simple-crypt
+SPIFFWORKFLOW_BACKEND_ENCRYPTION_LIB = environ.get(
+    # "SPIFFWORKFLOW_BACKEND_ENCRYPTION_LIB", default="cryptography"
+    "SPIFFWORKFLOW_BACKEND_ENCRYPTION_LIB",
+    default="no_op_cipher",
+)
+
 SPIFFWORKFLOW_BACKEND_LOG_TO_FILE = (
     environ.get("SPIFFWORKFLOW_BACKEND_LOG_TO_FILE", default="false") == "true"
 )

spiffworkflow-backend/src/spiffworkflow_backend/services/secret_service.py

@@ -15,7 +15,16 @@ class SecretService:
 
     @classmethod
     def _encrypt(cls, value: str) -> str:
-        encrypted_bytes: bytes = current_app.config["CIPHER"].encrypt(value)
+        encrypted_bytes: bytes = b""
+        if (
+            current_app.config.get("SPIFFWORKFLOW_BACKEND_ENCRYPTION_LIB")
+            == "cryptography"
+        ):
+            # cryptography needs a bytes object
+            value_as_bytes = str.encode(value)
+            encrypted_bytes = current_app.config["CIPHER"].encrypt(value_as_bytes)
+        else:
+            encrypted_bytes = current_app.config["CIPHER"].encrypt(value)
         return encrypted_bytes.decode(cls.CIPHER_ENCODING)
 
     @classmethod

spiffworkflow-backend/src/spiffworkflow_backend/services/service_task_service.py

@@ -91,6 +91,7 @@ class ServiceTaskDelegate:
     def call_connector(name: str, bpmn_params: Any, task_data: Any) -> str:
         """Calls a connector via the configured proxy."""
         call_url = f"{connector_proxy_url()}/v1/do/{name}"
+        with sentry_sdk.start_span(op="connector_by_name", description=name):
             with sentry_sdk.start_span(op="call-connector", description=call_url):
                 params = {
                     k: ServiceTaskDelegate.check_prefixes(v["value"])
@@ -115,14 +116,15 @@ class ServiceTaskDelegate:
                         proxied_response.status_code
                     )
                     error = (
-                    f"Received an unexpected response from service {name} : {message}"
+                        f"Received an unexpected response from service {name} :"
+                        f" {message}"
                     )
                     if "error" in parsed_response:
                         error += parsed_response["error"]
                     if json_parse_error:
                         error += (
-                        "A critical component (The connector proxy) is not responding"
+                            "A critical component (The connector proxy) is not"
-                        " correctly."
+                            " responding correctly."
                         )
                     raise ConnectorProxyError(error)
                 elif json_parse_error: