Post URIs and host-meta

2 files changed, 12 insertions, 4 deletions

diff --git a/core/ld.py b/core/ld.py
index 7863480..346708c 100644
--- a/core/ld.py
+++ b/core/ld.py
@@ -1,6 +1,6 @@
 import datetime
 import urllib.parse as urllib_parse
-from typing import Dict, List, Union
+from typing import Dict, List, Optional, Union
 
 from pyld import jsonld
 from pyld.jsonld import JsonLdError
@@ -414,5 +414,13 @@ def canonicalise(json_data: Dict, include_security: bool = False) -> Dict:
     return jsonld.compact(jsonld.expand(json_data), context)
 
 
-def format_date(value: datetime.datetime) -> str:
+def format_ld_date(value: datetime.datetime) -> str:
     return value.strftime(DATETIME_FORMAT)
+
+
+def parse_ld_date(value: Optional[str]) -> Optional[datetime.datetime]:
+    if value is None:
+        return None
+    return datetime.datetime.strptime(value, DATETIME_FORMAT).replace(
+        tzinfo=datetime.timezone.utc
+    )
diff --git a/core/signatures.py b/core/signatures.py
index 74b5324..0959333 100644
--- a/core/signatures.py
+++ b/core/signatures.py
@@ -11,7 +11,7 @@ from django.utils.http import http_date, parse_http_date
 from OpenSSL import crypto
 from pyld import jsonld
 
-from core.ld import format_date
+from core.ld import format_ld_date
 
 
 class VerificationError(BaseException):
@@ -261,7 +261,7 @@ class LDSignature:
         options: Dict[str, str] = {
             "@context": "https://w3id.org/identity/v1",
             "creator": key_id,
-            "created": format_date(timezone.now()),
+            "created": format_ld_date(timezone.now()),
         }
         # Get the normalised hash of each document
         final_hash = cls.normalized_hash(options) + cls.normalized_hash(document)