From a473e9c55c79a3713f324fd9d3f88caf765a0107 Mon Sep 17 00:00:00 2001
From: rimu <3310831+rimu@users.noreply.github.com>
Date: Tue, 27 Aug 2024 19:37:47 +1200
Subject: [PATCH] experimenting with LD Signatures

---
 app/activitypub/signature.py |  4 ++--
 app/main/routes.py           | 23 +++++++++++++++++++++--
 requirements.txt             |  2 +-
 3 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/app/activitypub/signature.py b/app/activitypub/signature.py
index 12683859..9fefb305 100644
--- a/app/activitypub/signature.py
+++ b/app/activitypub/signature.py
@@ -438,7 +438,7 @@ class LDSignature:
             signature = document.pop("signature")
             # Create the options document
             options = {
-                "@context": "https://w3id.org/identity/v1",
+                "@context": "https://w3id.org/security/v1",
                 "creator": signature["creator"],
                 "created": signature["created"],
             }
@@ -472,7 +472,7 @@ class LDSignature:
         """
         # Create the options document
         options: dict[str, str] = {
-            "@context": "https://w3id.org/identity/v1",
+            "@context": "https://w3id.org/security/v1",
             "creator": key_id,
             "created": format_ld_date(utcnow()),
         }
diff --git a/app/main/routes.py b/app/main/routes.py
index ba1e539e..299b0c49 100644
--- a/app/main/routes.py
+++ b/app/main/routes.py
@@ -3,11 +3,12 @@ from datetime import timedelta
 from random import randint
 
 import flask
+from pyld import jsonld
 from sqlalchemy.sql.operators import or_, and_
 
 from app import db, cache
 from app.activitypub.util import users_total, active_month, local_posts, local_communities
-from app.activitypub.signature import default_context
+from app.activitypub.signature import default_context, LDSignature
 from app.constants import SUBSCRIPTION_PENDING, SUBSCRIPTION_MEMBER, POST_TYPE_IMAGE, POST_TYPE_LINK, \
     SUBSCRIPTION_OWNER, SUBSCRIPTION_MODERATOR, POST_TYPE_VIDEO, POST_TYPE_POLL
 from app.email import send_email
@@ -423,7 +424,25 @@ def list_files(directory):
 @bp.route('/test')
 def test():
 
-    x = languages_for_form()
+    json = {
+      "@context": "https://www.w3.org/ns/activitystreams",
+      "actor": "https://ioc.exchange/users/haiviittech",
+      "id": "https://ioc.exchange/users/haiviittech#delete",
+      "object": "https://ioc.exchange/users/haiviittech",
+      "to": [
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "type": "Delete"
+    }
+
+    r = User.query.get(1)
+
+    jsonld.set_document_loader(jsonld.requests_document_loader(timeout=5))
+
+    ld = LDSignature.create_signature(json, r.private_key, r.public_url() + '#main-key')
+    json.update(ld)
+
+    LDSignature.verify_signature(json, r.public_key)
 
     #for community in Community.query.filter(Community.content_retention != -1):
     #    for post in community.posts.filter(Post.posted_at < utcnow() - timedelta(days=Community.content_retention)):
diff --git a/requirements.txt b/requirements.txt
index 81b5faa4..3b91929e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ cryptography==42.0.4
 pyopenssl==24.2.1
 Bootstrap-Flask==2.3.0
 arrow==1.2.3
-pyld==2.0.3
+pyld==2.0.4
 boto3==1.28.35
 markdown2==2.4.12
 beautifulsoup4==4.12.2