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Code Issues Projects Releases Wiki Activity

Improve Create activity handling

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This commit is contained in:
Thomas Sileo
2022-07-05 20:47:00 +02:00
parent 09a7287877
commit 7624342ed7
4 changed files with 116 additions and 51 deletions
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12
app/ldsig.py
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@ -9,6 +9,8 @@ from Crypto.Signature import PKCS1_v1_5
from pyld import jsonld # type: ignore
from app import activitypub as ap
from app.database import AsyncSession
from app.httpsig import _get_public_key
if typing.TYPE_CHECKING:
from app.key import Key
@ -52,7 +54,15 @@ def _doc_hash(doc: ap.RawObject) -> str:
return h.hexdigest()
def verify_signature(doc: ap.RawObject, key: "Key") -> bool:
async def verify_signature(
db_session: AsyncSession,
doc: ap.RawObject,
) -> bool:
if "signature" not in doc:
raise ValueError("No embedded signature")
key_id = doc["signature"]["creator"]
key = await _get_public_key(db_session, key_id)
to_be_signed = _options_hash(doc) + _doc_hash(doc)
signature = doc["signature"]["signatureValue"]
signer = PKCS1_v1_5.new(key.pubkey or key.privkey) # type: ignore