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Add fallback_keys arg to Signer. Cleanup. #30

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merged 3 commits into from
Sep 11, 2023
Merged

Add fallback_keys arg to Signer. Cleanup. #30

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09900c8
Add fallback_keys arg to Signer. Cleanup.
weswil07 Sep 7, 2023
5f63156
Replace '-' with '_' in to_server_key. Increment version.
weswil07 Sep 7, 2023
148207a
Cleanup one more function.
weswil07 Sep 7, 2023
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2 changes: 1 addition & 1 deletion pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"

[project]
name = "resigner"
version = "0.3.12"
version = "0.3.13"
authors = [
{name = "Media Predict"},
{email = "[email protected]"}
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23 changes: 15 additions & 8 deletions resigner/utils.py
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Expand Up @@ -3,8 +3,14 @@

HEADER_KEY_PREFIX = "RESIGNER"

add_prefix = lambda key : "{0}{1}{2}".format(HEADER_KEY_PREFIX, "-", key)
to_server_key = lambda key : "{0}{1}{2}".format("HTTP", "-", key).replace("-", "_")

def add_prefix(key):
return f"{HEADER_KEY_PREFIX}-{key}"


def to_server_key(key):
return f"HTTP_{key}".replace("-", "_")


CLIENT_TIME_STAMP_KEY = add_prefix("TIME-STAMP")
CLIENT_API_SIGNATURE_KEY = add_prefix("API-SIGNATURE")
Expand All @@ -14,15 +20,16 @@
SERVER_API_SIGNATURE_KEY = to_server_key(CLIENT_API_SIGNATURE_KEY)
SERVER_API_KEY = to_server_key(CLIENT_API_KEY)


def get_signature(secret, body, timestamp, url):
if not body:
body = ""

signer = Signer(key=secret)
return signer.signature( ":".join([body, timestamp, url]) )
# fallback_keys="" prevents fetching from django config
# Our Analytics package is meant for use outside of django
signer = Signer(key=secret, fallback_keys="")
return signer.signature(f"{body}:{timestamp}:{url}")


def get_settings_param(name, default=0):
if hasattr(settings, name):
return getattr(settings, name)
else:
return default
return getattr(settings, name, default)
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