From 4649bf610bd9989b1be346f2465aac1fd1c3d392 Mon Sep 17 00:00:00 2001
From: Mohamed Sohail <sohailsameja@gmail.com>
Date: Tue, 2 Nov 2021 08:22:25 +0000
Subject: [PATCH] CICADA Integration

---
 .dockerignore                                 |   2 +
 .envrc_dev_example                            |   7 +
 .gitignore                                    |   1 +
 Dockerfile                                    |  28 ++++
 cic_auth_helper/data/config/http.ini          |   1 +
 cic_auth_helper/runnable/server.py            |  15 +-
 .../F3FAF668E82EF5124D5187BAEF26F4682343F692  |   3 +
 tests/testdata/pgp/dev/privatekey.asc         |  84 ++++++++++
 tests/testdata/pgp/dev/publickeys.asc         | 151 ++++++++++++++++++
 tests/testdata/pgp/dev/signature.asc          |  14 ++
 10 files changed, 305 insertions(+), 1 deletion(-)
 create mode 100644 .dockerignore
 create mode 100644 .envrc_dev_example
 create mode 100644 Dockerfile
 create mode 100644 tests/testdata/pgp/dev/acls/F3FAF668E82EF5124D5187BAEF26F4682343F692
 create mode 100644 tests/testdata/pgp/dev/privatekey.asc
 create mode 100644 tests/testdata/pgp/dev/publickeys.asc
 create mode 100644 tests/testdata/pgp/dev/signature.asc

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..c63a688
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+tests
+venv
\ No newline at end of file
diff --git a/.envrc_dev_example b/.envrc_dev_example
new file mode 100644
index 0000000..0892521
--- /dev/null
+++ b/.envrc_dev_example
@@ -0,0 +1,7 @@
+set -a
+CICTEST_PGP_TRUSTED_PUBLICKEY_FINGERPRINT=CCE2E1D2D0E36ADE0405E2D0995BB21816313BD5
+CICTEST_PGP_IMPORT_DIR=tests/testdata/pgp/dev
+CICTEST_HTTP_HOBA_CIPHER_ID=969
+CICTEST_HTTP_AUTH_ORIGIN=http://127.0.0.1:5000
+CICTEST_HTTP_CORS_ORIGIN=http://localhost:4200
+set +a
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 4b60ab2..673d77b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ __pycache__
 *.pyc
 .config
 build/
+venv
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..5778663
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,28 @@
+FROM python:3.9-alpine AS builder
+
+ENV PIP_DISABLE_PIP_VERSION_CHECK=1
+ENV PIP_EXTRA_INDEX_URL=https://pip.grassrootseconomics.net
+
+WORKDIR /home/root/app
+
+RUN apk add --update build-base linux-headers libffi-dev openssl-dev
+
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+ADD requirements.txt .
+
+RUN --mount=type=cache,target=/root/.cache \
+    pip install -r requirements.txt
+
+FROM python:3.9-alpine
+WORKDIR /home/root/app
+
+RUN apk add --no-cache gnupg
+
+COPY . .
+
+COPY --from=builder /opt/venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+EXPOSE 80
+CMD uwsgi --wsgi-file cic_auth_helper/runnable/server.py --http :80 --pyargv "-vv"
\ No newline at end of file
diff --git a/cic_auth_helper/data/config/http.ini b/cic_auth_helper/data/config/http.ini
index 8d36d60..c69d8d0 100644
--- a/cic_auth_helper/data/config/http.ini
+++ b/cic_auth_helper/data/config/http.ini
@@ -1,4 +1,5 @@
 [http]
 auth_origin = 
+cors_origin =
 auth_realm = "ge"
 hoba_cipher_id = 00
diff --git a/cic_auth_helper/runnable/server.py b/cic_auth_helper/runnable/server.py
index fef1397..073a0f0 100644
--- a/cic_auth_helper/runnable/server.py
+++ b/cic_auth_helper/runnable/server.py
@@ -33,6 +33,7 @@ config_dir = os.path.join(data_dir, 'config')
 
 argparser = argparse.ArgumentParser('Authentication helper for ingress routers')
 argparser.add_argument('-c', type=str, help='configuration override directory')
+argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
 argparser.add_argument('-v', action='store_true', help='be verbose')
 argparser.add_argument('-vv', action='store_true', help='be more verbose')
 args = argparser.parse_args(sys.argv[1:])
@@ -42,7 +43,7 @@ if args.vv:
 elif args.v:
     logg.setLevel(logging.INFO)
 
-config = confini.Config(config_dir, override_dirs=args.c)
+config = confini.Config(config_dir, args.env_prefix, override_dirs=args.c)
 config.process()
 logg.debug('config loaded:\n' + str(config))
 
@@ -103,6 +104,18 @@ def do_auth(env):
 # And to conclude, vanilla UWSGI stuff
 def application(env, start_response):
     headers = []
+
+    # fetch control headers
+    headers.append(('Access-Control-Allow-Origin', config.get('HTTP_CORS_ORIGIN'),))
+    headers.append(('Access-Control-Expose-Headers', 'WWW-Authenticate, Token',))
+    headers.append(('Access-Control-Allow-Headers', '*',))
+    headers.append(('Access-Control-Allow-Credentials', 'true',))
+
+    # to appease fetch pre-flights
+    if env['REQUEST_METHOD'] == 'OPTIONS':
+        start_response('200 OK', headers)
+        return [b'']
+
     print('env {}'.format(env))
     result = do_auth(env)
     if result == None:
diff --git a/tests/testdata/pgp/dev/acls/F3FAF668E82EF5124D5187BAEF26F4682343F692 b/tests/testdata/pgp/dev/acls/F3FAF668E82EF5124D5187BAEF26F4682343F692
new file mode 100644
index 0000000..4ed083a
--- /dev/null
+++ b/tests/testdata/pgp/dev/acls/F3FAF668E82EF5124D5187BAEF26F4682343F692
@@ -0,0 +1,3 @@
+- "^/user(/.*)?$":
+    read:
+      - user
diff --git a/tests/testdata/pgp/dev/privatekey.asc b/tests/testdata/pgp/dev/privatekey.asc
new file mode 100644
index 0000000..9771bf5
--- /dev/null
+++ b/tests/testdata/pgp/dev/privatekey.asc
@@ -0,0 +1,84 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+
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diff --git a/tests/testdata/pgp/dev/publickeys.asc b/tests/testdata/pgp/dev/publickeys.asc
new file mode 100644
index 0000000..78221f3
--- /dev/null
+++ b/tests/testdata/pgp/dev/publickeys.asc
@@ -0,0 +1,151 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
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diff --git a/tests/testdata/pgp/dev/signature.asc b/tests/testdata/pgp/dev/signature.asc
new file mode 100644
index 0000000..6b0fbe7
--- /dev/null
+++ b/tests/testdata/pgp/dev/signature.asc
@@ -0,0 +1,14 @@
+-----BEGIN PGP SIGNATURE-----
+
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+-----END PGP SIGNATURE-----