Franco Pellicciotti
52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
import time
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import json
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import os
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import urllib.request
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import urllib.parse
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try:
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import jwt
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from cryptography.hazmat.primitives import serialization
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except ImportError:
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print("Error: Missing dependencies. Run: pip3 install PyJWT cryptography")
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exit(1)
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base_path = os.path.expanduser("~/.hammerspoon/")
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key_file = os.path.join(base_path, "google-key.json")
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if not os.path.exists(key_file):
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print(f"Error: {key_file} not found")
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exit(1)
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with open(key_file) as f:
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key_data = json.load(f)
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iat = int(time.time())
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exp = iat + 3600
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payload = {
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'iss': key_data['client_email'],
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'sub': key_data['client_email'],
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'aud': 'https://oauth2.googleapis.com/token',
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'iat': iat,
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'exp': exp,
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'scope': 'https://www.googleapis.com/auth/monitoring.read'
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}
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try:
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# Sign the JWT using the private key from JSON
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signed_jwt = jwt.encode(payload, key_data['private_key'], algorithm='RS256')
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# Exchange for Access Token
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url = 'https://oauth2.googleapis.com/token'
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params = urllib.parse.urlencode({
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'grant_type': 'urn:ietf:params:oauth:grant-type:jwt-bearer',
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'assertion': signed_jwt
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}).encode('utf-8')
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req = urllib.request.Request(url, data=params, method='POST')
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with urllib.request.urlopen(req) as response:
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res_data = json.loads(response.read().decode('utf-8'))
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print(res_data['access_token'])
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except Exception as e:
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print(f"Auth Error: {str(e)}")
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exit(1) |