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Code Issues Projects Releases Wiki Activity

Pull out make_signature to separate into function.

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Adam Kelly 2020-05-13 11:08:52 +01:00
parent 15cce156a0
commit 05842b5c18
1 changed files with 12 additions and 11 deletions
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23
fedireads/broadcast.py
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@ -63,37 +63,38 @@ def broadcast_task(sender_id, activity, recipients):
return errors
def sign_and_send(sender, activity, destination):
''' crpyto whatever and http junk '''
def make_signature(sender, destination, date):
inbox_parts = urlparse(destination)
now = http_date()
signature_headers = [
'(request-target): post %s' % inbox_parts.path,
'host: %s' % inbox_parts.netloc,
'date: %s' % now
'date: %s' % date,
]
message_to_sign = '\n'.join(signature_headers)
if not sender.private_key:
# this shouldn't happen. it would be bad if it happened.
raise ValueError('No private key found for sender')
signer = pkcs1_15.new(RSA.import_key(sender.private_key))
signed_message = signer.sign(SHA256.new(message_to_sign.encode('utf8')))
signature = {
'keyId': '%s#main-key' % sender.actor,
'algorithm': 'rsa-sha256',
'headers': '(request-target) host date',
'signature': b64encode(signed_message).decode('utf8'),
}
signature = ','.join('%s="%s"' % (k, v) for (k, v) in signature.items())
return ','.join('%s="%s"' % (k, v) for (k, v) in signature.items())
def sign_and_send(sender, activity, destination):
''' crpyto whatever and http junk '''
now = http_date()
if not sender.private_key:
# this shouldn't happen. it would be bad if it happened.
raise ValueError('No private key found for sender')
response = requests.post(
destination,
data=json.dumps(activity),
headers={
'Date': now,
'Signature': signature,
'Signature': make_signature(sender, destination, now),
'Content-Type': 'application/activity+json; charset=utf-8',
},
)