Guillaume BOURGEOIS
dbb740f476
Calendar API v3 ACL management: create access control rules (grant a role to a user/group/domain/public) and list a calendar's ACL rules. Service-account auth with domain-wide delegation (JWT RS256), runs on a remote engine (requires PyJWT + cryptography). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
84 lines
3.0 KiB
Python
84 lines
3.0 KiB
Python
import json, os, sys, time, urllib.parse, urllib.request, urllib.error
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import jwt
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TOKEN_URL = "https://oauth2.googleapis.com/token"
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def _cfg():
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return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
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def _token(scopes, subject=None):
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cfg = _cfg()
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raw = cfg.get("service_account_json", "")
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sa = json.loads(raw) if isinstance(raw, str) else raw
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if not sa.get("client_email") or not sa.get("private_key"):
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raise Exception("service_account_json must contain client_email and private_key")
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now = int(time.time())
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aud = sa.get("token_uri") or TOKEN_URL
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payload = {
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"iss": sa["client_email"],
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"scope": " ".join(scopes),
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"aud": aud,
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"iat": now,
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"exp": now + 3600,
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}
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sub = subject or cfg.get("user_id") or ""
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if sub:
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payload["sub"] = sub
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assertion = jwt.encode(payload, sa["private_key"], algorithm="RS256")
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data = urllib.parse.urlencode({
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"grant_type": "urn:ietf:params:oauth:grant-type:jwt-bearer",
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"assertion": assertion,
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}).encode("utf-8")
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req = urllib.request.Request(aud, data=data,
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headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
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with urllib.request.urlopen(req, timeout=60) as r:
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tok = json.loads(r.read())
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if not tok.get("access_token"):
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raise Exception("Token request failed: " + json.dumps(tok))
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return tok["access_token"]
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def request(method, url, scopes, params=None, body=None, subject=None):
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q = {k: str(x) for k, x in (params or {}).items() if x not in (None, "")}
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if q:
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url += ("&" if "?" in url else "?") + urllib.parse.urlencode(q)
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data = json.dumps(body).encode("utf-8") if body is not None else None
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headers = {"Accept": "application/json", "Authorization": "Bearer " + _token(scopes, subject)}
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if data is not None:
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headers["Content-Type"] = "application/json"
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req = urllib.request.Request(url, data=data, headers=headers, method=method)
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with urllib.request.urlopen(req, timeout=90) as r:
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raw = r.read()
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return json.loads(raw) if raw else {}
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SCOPES = ["https://www.googleapis.com/auth/calendar"]
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def main():
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inputs = json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
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calendar_id = str(inputs.get("calendar_id") or "")
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if not calendar_id:
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raise Exception("calendar_id is required")
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url = "https://www.googleapis.com/calendar/v3/calendars/" + urllib.parse.quote(calendar_id) + "/acl"
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params = {
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"maxResults": int(inputs.get("max_results") or 100),
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"pageToken": inputs.get("page_token"),
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"showDeleted": "true" if inputs.get("show_deleted") else None,
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"syncToken": inputs.get("sync_token"),
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}
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print(json.dumps(request("GET", url, SCOPES, params=params, subject=inputs.get("user_id"))))
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try:
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main()
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except urllib.error.HTTPError as e:
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print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
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sys.exit(1)
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except Exception as e:
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print(json.dumps({"error": str(e)}))
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sys.exit(1)
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