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epicyon
mirror of https://gitlab.com/bashrc2/epicyon
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Code Issues 14 Releases Wiki Activity

Snake case

main
Bob Mottram 2022-01-02 21:48:09 +00:00
parent 019f9b3415
commit b99cc2ecb1
1 changed files with 16 additions and 16 deletions
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32
linked_data_sig.py
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@ -26,23 +26,23 @@ from utils import get_sha_256
def _options_hash(doc: {}) -> str:
"""Returns a hash of the signature, with a few fields removed
"""
docSig = dict(doc["signature"])
doc_sig = dict(doc["signature"])
# remove fields from signature
for k in ["type", "id", "signatureValue"]:
if k in docSig:
del docSig[k]
for key in ["type", "id", "signatureValue"]:
if key in doc_sig:
del doc_sig[key]
docSig["@context"] = "https://w3id.org/identity/v1"
doc_sig["@context"] = "https://w3id.org/identity/v1"
options = {
"algorithm": "URDNA2015",
"format": "application/nquads"
}
normalized = normalize(docSig, options)
h = hashlib.new("sha256")
h.update(normalized.encode("utf-8"))
return h.hexdigest()
normalized = normalize(doc_sig, options)
hsh = hashlib.new("sha256")
hsh.update(normalized.encode("utf-8"))
return hsh.hexdigest()
def _doc_hash(doc: {}) -> str:
@ -60,18 +60,18 @@ def _doc_hash(doc: {}) -> str:
}
normalized = normalize(doc, options)
h = hashlib.new("sha256")
h.update(normalized.encode("utf-8"))
return h.hexdigest()
hsh = hashlib.new("sha256")
hsh.update(normalized.encode("utf-8"))
return hsh.hexdigest()
def verify_json_signature(doc: {}, publicKeyPem: str) -> bool:
def verify_json_signature(doc: {}, public_key_pem: str) -> bool:
"""Returns True if the given ActivityPub post was sent
by an actor having the given public key
"""
if not has_valid_context(doc):
return False
pubkey = load_pem_public_key(publicKeyPem.encode('utf-8'),
pubkey = load_pem_public_key(public_key_pem.encode('utf-8'),
backend=default_backend())
to_be_signed = _options_hash(doc) + _doc_hash(doc)
signature = doc["signature"]["signatureValue"]
@ -91,7 +91,7 @@ def verify_json_signature(doc: {}, publicKeyPem: str) -> bool:
return False
def generate_json_signature(doc: {}, privateKeyPem: str) -> None:
def generate_json_signature(doc: {}, private_key_pem: str) -> None:
"""Adds a json signature to the given ActivityPub post
"""
if not doc.get('actor'):
@ -106,7 +106,7 @@ def generate_json_signature(doc: {}, privateKeyPem: str) -> None:
doc["signature"] = options
to_be_signed = _options_hash(doc) + _doc_hash(doc)
key = load_pem_private_key(privateKeyPem.encode('utf-8'),
key = load_pem_private_key(private_key_pem.encode('utf-8'),
None, backend=default_backend())
digest = get_sha_256(to_be_signed.encode("utf-8"))
signature = key.sign(digest,