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Add JWT credentials #21

Merged
merged 7 commits into from
Oct 17, 2016
Merged

Add JWT credentials #21

merged 7 commits into from
Oct 17, 2016

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theacodes
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@theacodes theacodes commented Oct 14, 2016 •
edited by dhermes
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(Has #8 as a diffbase)

@theacodes theacodes added this to the 1.0.0 milestone Oct 14, 2016
@theacodes theacodes changed the title Jwt credentials Add JWT credentials Oct 14, 2016
dhermes
dhermes reviewed Oct 16, 2016
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I love how test-able this code is

google/auth/jwt.py

The constructor arguments determine the claims for the JWT that is
sent with requests. Usually, you'll construct these credentials with
one of the helper constructors.

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google/auth/jwt.py
Note that JWT credentials will also set the audience claim on demand. If no
audience is specified when creating the credentials, then whenever a
request is made the credentials will automatically generate a one-time
JWT with the request URI as the audience.

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google/auth/jwt.py
signer = crypt.Signer.from_string(private_key, key_id)

kwargs.setdefault('subject', email)
return cls(signer, issuer=email, **kwargs)

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google/auth/jwt.py
issuer=issuer if issuer is not None else self._issuer,
subject=subject if subject is not None else self._subject,
audience=audience if audience is not None else self._audience,
additional_claims=dict(self._additional_claims).update(

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google/auth/jwt.py
'sub': self._subject or self._issuer,
'iat': _helpers.datetime_to_secs(now),
'exp': _helpers.datetime_to_secs(expiry),
'aud': audience or self._audience

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tests/test_jwt.py
def test_sign_bytes(self):
to_sign = b'123'
signature = self.credentials.sign_bytes(to_sign)
crypt.verify_signature(to_sign, signature, PUBLIC_CERT_BYTES)

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tests/test_jwt.py
assert not self.credentials.expired

with mock.patch('google.auth._helpers.utcnow') as now:
one_day_from_now = datetime.timedelta(days=1)

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tests/test_jwt.py
mock.Mock(), 'GET', 'http://example.com?a=1#3', headers)

header_value = headers['authorization']
token = header_value.split().pop()

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tests/test_jwt.py
None, 'GET', 'http://example.com?a=1#3', headers)

header_value = headers['authorization']
token = header_value.split().pop()

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tests/test_jwt.py
credentials = self.credentials.with_claims(audience='test')
credentials.refresh(None)
credentials.before_request(
None, 'GET', 'http://example.com?a=1#3', headers)

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dhermes
dhermes reviewed Oct 17, 2016
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tests/test_jwt.py
SUBJECT = 'subject'
AUDIENCE = 'audience'
ADDITIONAL_CLAIMS = {'meta': 'data'}
credentials = None

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dhermes
dhermes reviewed Oct 17, 2016
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tests/test_jwt.py
@@ -302,7 +306,7 @@ def test_before_request_one_time_token(self):
mock.Mock(), 'GET', 'http://example.com?a=1#3', headers)

header_value = headers['authorization']
token = header_value.split().pop()
token = header_value.split('Bearer ').pop()

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@dhermes
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dhermes commented Oct 17, 2016

LGTM

@theacodes theacodes merged commit abcd3ed into master Oct 17, 2016
@theacodes theacodes deleted the jwt-credentials branch October 17, 2016 18:23
@theacodes theacodes mentioned this pull request Oct 21, 2016
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@theacodes theacodes restored the jwt-credentials branch February 22, 2017 23:16
@theacodes theacodes deleted the jwt-credentials branch February 22, 2017 23:17
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3 participants
@theacodes @dhermes @bjwatson