/usr/lib/python2.7/dist-packages/google/auth/_service_account_info.py is in python-google-auth 1.3.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | # Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Helper functions for loading data from a Google service account file."""
import io
import json
import six
from google.auth import crypt
def from_dict(data, require=None):
"""Validates a dictionary containing Google service account data.
Creates and returns a :class:`google.auth.crypt.Signer` instance from the
private key specified in the data.
Args:
data (Mapping[str, str]): The service account data
require (Sequence[str]): List of keys required to be present in the
info.
Returns:
google.auth.crypt.Signer: A signer created from the private key in the
service account file.
Raises:
ValueError: if the data was in the wrong format, or if one of the
required keys is missing.
"""
keys_needed = set(require if require is not None else [])
missing = keys_needed.difference(six.iterkeys(data))
if missing:
raise ValueError(
'Service account info was not in the expected format, missing '
'fields {}.'.format(', '.join(missing)))
# Create a signer.
signer = crypt.RSASigner.from_service_account_info(data)
return signer
def from_filename(filename, require=None):
"""Reads a Google service account JSON file and returns its parsed info.
Args:
filename (str): The path to the service account .json file.
require (Sequence[str]): List of keys required to be present in the
info.
Returns:
Tuple[ Mapping[str, str], google.auth.crypt.Signer ]: The verified
info and a signer instance.
"""
with io.open(filename, 'r', encoding='utf-8') as json_file:
data = json.load(json_file)
return data, from_dict(data, require=require)
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