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jwe: use runtime checks instead of assertions #99

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jwe: use runtime checks instead of assertions #99

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20 changes: 8 additions & 12 deletions src/jwkest/jwe.py
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Original file line number Diff line number Diff line change
Expand Up @@ -303,18 +303,14 @@ def is_jwe(self):
if "typ" in self.headers and self.headers["typ"].lower() == "jwe":
return True

try:
assert "alg" in self.headers and "enc" in self.headers
except AssertionError:
return False
else:
for typ in ["alg", "enc"]:
try:
assert self.headers[typ] in SUPPORTED[typ]
except AssertionError:
logger.debug("Not supported %s algorithm: %s" % (
typ, self.headers[typ]))
return False
for typ in ["enc", "alg"]:
if typ not in self.headers:
return False
if self.headers[typ] not in SUPPORTED[typ]:
logger.debug("Not supported %s algorithm: %s" % (
typ, self.headers[typ]))
return False

return True

def __len__(self):
Expand Down