From 9a82a176a14198580faecb2ebbb3c08efbdad82d Mon Sep 17 00:00:00 2001
From: John Andersen <johnandersenpdx@gmail.com>
Date: Wed, 22 Nov 2023 00:11:28 +0100
Subject: [PATCH] Remove unused key loader format activitpub for now since we
 have not yet tested if the mechanical-herd generated key is the one that gets
 exported as the public key

Signed-off-by: John Andersen <johnandersenpdx@gmail.com>
---
 .../key_loader_format_activitypub_actor.py    | 87 -------------------
 setup.py                                      |  1 -
 2 files changed, 88 deletions(-)
 delete mode 100644 scitt_emulator/key_loader_format_activitypub_actor.py

diff --git a/scitt_emulator/key_loader_format_activitypub_actor.py b/scitt_emulator/key_loader_format_activitypub_actor.py
deleted file mode 100644
index eba919fa..00000000
--- a/scitt_emulator/key_loader_format_activitypub_actor.py
+++ /dev/null
@@ -1,87 +0,0 @@
-import os
-import json
-import contextlib
-import urllib.parse
-import urllib.request
-from typing import List, Tuple
-
-import cwt
-import cwt.algs.ec2
-import pycose
-import pycose.keys.ec2
-
-# TODO Remove this once we have a example flow for proper key verification
-import jwcrypto.jwk
-
-
-
-def key_loader_format_activitypub_actor(
-    unverified_issuer: str,
-) -> List[Tuple[cwt.COSEKey, pycose.keys.ec2.EC2Key]]:
-    """
-    >>> import jwcrypto
-    >>> import httptest
-    >>>
-    >>> class TestHTTPServer(httptest.Handler):
-    ...
-    ...     def do_GET(self):
-    ...         status_code = 200
-    ...         response = {"status": "failure"}
-    ...         if self.path.startswith("/.well-known/webfinger?resource="):
-    ...             # TODO Add server url as prefix
-    ...             response = {"links": [{"href": f"http://localhost:{self.server.server_port}/endpoint/alice"}]}
-    ...         elif self.path.startswith("/endpoint/"):
-    ...             response = {"publicKey": {"publicKeyPem": jwcrypto.jwk.JWK.generate(kty="EC", crv="P-384").export_to_pem().decode()}}
-    ...         else:
-    ...             status_code = 400
-    ...         contents = json.dumps(response).encode()
-    ...         self.send_response(status_code)
-    ...         self.send_header("Content-type", "application/json")
-    ...         self.send_header("Content-length", len(contents))
-    ...         self.end_headers()
-    ...         self.wfile.write(contents)
-    >>>
-    >>> with httptest.Server(TestHTTPServer) as ts:
-    ...     len(key_loader_format_activitypub_actor(f"alice@{ts.url()[:-1]}"))
-    1
-    """
-    jwk_keys = []
-    cwt_cose_keys = []
-    pycose_cose_keys = []
-
-    # TODO Support for lookup by did:key, also, is that just bonvie that does
-    # that via webfinger? Need to check
-    # if (
-    #     not unverified_issuer.startswith("did:web:")
-    #     or urllib.parse.quote("webfinger?resource=") not in unverified_issuer
-    # ):
-    #     return pycose_cose_keys
-    if "@" not in unverified_issuer:
-        return pycose_cose_keys
-
-    handle_name, domain = unverified_issuer.split("@", maxsplit=1)
-    scheme = os.environ.get("DID_WEB_ASSUME_SCHEME", "https")
-    if "://" in domain:
-        scheme = domain.split("://")[0]
-    if not domain.startswith(scheme):
-        domain = f"{scheme}://{domain}"
-    domain_no_scheme = domain.replace(f"{scheme}://", "", 1)
-
-    # Webfinger the account
-    with urllib.request.urlopen(f"{domain}/.well-known/webfinger?resource=acct:{handle_name}@{domain_no_scheme}") as response:
-        for link in json.load(response)["links"]:
-            with urllib.request.urlopen(link["href"]) as response:
-                public_key_pem = json.load(response)["publicKey"]["publicKeyPem"]
-                jwk_keys.append(jwcrypto.jwk.JWK.from_pem(public_key_pem.encode()))
-
-    for jwk_key in jwk_keys:
-        cwt_cose_key = cwt.COSEKey.from_pem(
-            jwk_key.export_to_pem(),
-            kid=jwk_key.thumbprint(),
-        )
-        cwt_cose_keys.append(cwt_cose_key)
-        cwt_ec2_key_as_dict = cwt_cose_key.to_dict()
-        pycose_cose_key = pycose.keys.ec2.EC2Key.from_dict(cwt_ec2_key_as_dict)
-        pycose_cose_keys.append((cwt_cose_key, pycose_cose_key))
-
-    return pycose_cose_keys
diff --git a/setup.py b/setup.py
index d0250d2e..60769116 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,6 @@
             'did_key=scitt_emulator.key_loader_format_did_key:key_loader_format_did_key',
             'url_referencing_oidc_issuer=scitt_emulator.key_loader_format_url_referencing_oidc_issuer:key_loader_format_url_referencing_oidc_issuer',
             'url_referencing_ssh_authorized_keys=scitt_emulator.key_loader_format_url_referencing_ssh_authorized_keys:key_loader_format_url_referencing_ssh_authorized_keys',
-            'activitypub_actor=scitt_emulator.key_loader_format_activitypub_actor:key_loader_format_activitypub_actor',
         ],
     },
     python_requires=">=3.8",