mirror of https://github.com/google/oss-fuzz.git
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
#!/usr/bin/python3
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# Copyright 2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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import atheris
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from google.auth import jwt
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from google.auth import crypt
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bundle_dir = getattr(sys, '_MEIPASS', os.path.abspath(os.path.dirname(__file__)))
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path_to_public_cert = os.path.abspath(os.path.join(bundle_dir, 'public_cert.pem'))
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if os.path.isfile(path_to_public_cert):
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with open(path_to_public_cert, "rb") as fh:
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PUBLIC_CERT_BYTES = fh.read()
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else:
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raise Exception("Could not find public cert")
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@atheris.instrument_func
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def test_token_decode(data):
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fdp = atheris.FuzzedDataProvider(data)
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try:
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jwt.decode(fdp.ConsumeString(200), certs=PUBLIC_CERT_BYTES)
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except ValueError: # ValueError is thrown if any failed verification checks
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pass
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@atheris.instrument_func
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def TestOneInput(data):
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test_token_decode(data)
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def main():
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atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
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atheris.instrument_all()
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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