580f551700
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Build and Deploy / build-and-deploy (push) Successful in 3m20s
Redis: per-app DB index (0-5) with shared auth DB 15 for SSO keys; flushdb replaces flushall so deploys don't wipe cross-app auth state. Postgres: drop 13 cross-domain FK constraints (migration v2t0p8q9r0), remove dead ORM relationships, add explicit joins for 4 live ones. Multi-engine sessions (account + federation) ready for per-domain DBs via DATABASE_URL_ACCOUNT / DATABASE_URL_FEDERATION env vars. All URLs initially point to the same appdb — zero behaviour change until split-databases.sh is run to migrate data to per-domain DBs. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
484 lines
17 KiB
Python
484 lines
17 KiB
Python
"""Authentication routes for the account app.
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Account is the OAuth authorization server. Owns magic link login/logout,
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OAuth2 authorize endpoint, grant verification, and SSO logout.
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"""
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from __future__ import annotations
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import secrets
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from datetime import datetime, timezone, timedelta
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from quart import (
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Blueprint,
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request,
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render_template,
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redirect,
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url_for,
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session as qsession,
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g,
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current_app,
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jsonify,
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)
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from sqlalchemy import select, update
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from sqlalchemy.exc import SQLAlchemyError
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from shared.db.session import get_session
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from shared.models import User
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from shared.models.oauth_code import OAuthCode
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from shared.models.oauth_grant import OAuthGrant
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from shared.infrastructure.urls import account_url, app_url
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from shared.infrastructure.cart_identity import current_cart_identity
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from shared.events import emit_activity
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from .services import (
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pop_login_redirect_target,
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store_login_redirect_target,
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send_magic_email,
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find_or_create_user,
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create_magic_link,
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validate_magic_link,
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validate_email,
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)
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SESSION_USER_KEY = "uid"
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ACCOUNT_SESSION_KEY = "account_sid"
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ALLOWED_CLIENTS = {"blog", "market", "cart", "events", "federation", "artdag", "artdag_l2"}
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def register(url_prefix="/auth"):
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auth_bp = Blueprint("auth", __name__, url_prefix=url_prefix)
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# --- OAuth2 authorize endpoint -------------------------------------------
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@auth_bp.get("/oauth/authorize")
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@auth_bp.get("/oauth/authorize/")
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async def oauth_authorize():
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client_id = request.args.get("client_id", "")
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redirect_uri = request.args.get("redirect_uri", "")
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state = request.args.get("state", "")
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device_id = request.args.get("device_id", "")
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prompt = request.args.get("prompt", "")
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if client_id not in ALLOWED_CLIENTS:
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return "Invalid client_id", 400
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expected_redirect = app_url(client_id, "/auth/callback")
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if redirect_uri != expected_redirect:
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return "Invalid redirect_uri", 400
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# Account's own device id — always available via factory hook
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account_did = g.device_id
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# Not logged in
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if not g.get("user"):
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if prompt == "none":
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# Silent check — pass account_did so client can watch for future logins
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sep = "&" if "?" in redirect_uri else "?"
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return redirect(
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f"{redirect_uri}{sep}error=login_required"
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f"&state={state}&account_did={account_did}"
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)
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authorize_path = request.full_path
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store_login_redirect_target()
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return redirect(url_for("auth.login_form", next=authorize_path))
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# Logged in — create grant + authorization code
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account_sid = qsession.get(ACCOUNT_SESSION_KEY)
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if not account_sid:
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account_sid = secrets.token_urlsafe(32)
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qsession[ACCOUNT_SESSION_KEY] = account_sid
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grant_token = secrets.token_urlsafe(48)
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code = secrets.token_urlsafe(48)
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now = datetime.now(timezone.utc)
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expires = now + timedelta(minutes=5)
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async with get_session() as s:
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async with s.begin():
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grant = OAuthGrant(
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token=grant_token,
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user_id=g.user.id,
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client_id=client_id,
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issuer_session=account_sid,
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device_id=device_id or None,
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)
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s.add(grant)
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oauth_code = OAuthCode(
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code=code,
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user_id=g.user.id,
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client_id=client_id,
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redirect_uri=redirect_uri,
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expires_at=expires,
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grant_token=grant_token,
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)
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s.add(oauth_code)
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sep = "&" if "?" in redirect_uri else "?"
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return redirect(
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f"{redirect_uri}{sep}code={code}&state={state}"
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f"&account_did={account_did}"
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)
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# --- OAuth2 token exchange (for external clients like artdag) -------------
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from shared.browser.app.csrf import csrf_exempt
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@csrf_exempt
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@auth_bp.post("/oauth/token")
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@auth_bp.post("/oauth/token/")
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async def oauth_token():
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"""Exchange an authorization code for user info + grant token.
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Used by clients that don't share the coop database (e.g. artdag).
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Accepts JSON: {code, client_id, redirect_uri}
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Returns JSON: {user_id, username, display_name, grant_token}
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"""
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data = await request.get_json()
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if not data:
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return jsonify({"error": "invalid_request"}), 400
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code = data.get("code", "")
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client_id = data.get("client_id", "")
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redirect_uri = data.get("redirect_uri", "")
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if client_id not in ALLOWED_CLIENTS:
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return jsonify({"error": "invalid_client"}), 400
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now = datetime.now(timezone.utc)
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async with get_session() as s:
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async with s.begin():
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result = await s.execute(
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select(OAuthCode)
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.where(OAuthCode.code == code)
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.with_for_update()
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)
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oauth_code = result.scalar_one_or_none()
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if not oauth_code:
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return jsonify({"error": "invalid_grant"}), 400
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if oauth_code.used_at is not None:
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return jsonify({"error": "invalid_grant"}), 400
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if oauth_code.expires_at < now:
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return jsonify({"error": "invalid_grant"}), 400
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if oauth_code.client_id != client_id:
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return jsonify({"error": "invalid_grant"}), 400
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if oauth_code.redirect_uri != redirect_uri:
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return jsonify({"error": "invalid_grant"}), 400
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oauth_code.used_at = now
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user_id = oauth_code.user_id
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grant_token = oauth_code.grant_token
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user = await s.get(User, user_id)
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if not user:
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return jsonify({"error": "invalid_grant"}), 400
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return jsonify({
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"user_id": user_id,
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"username": user.email or "",
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"display_name": user.name or "",
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"grant_token": grant_token,
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})
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# --- Grant verification (internal endpoint) ------------------------------
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@auth_bp.get("/internal/verify-grant")
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async def verify_grant():
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"""Called by client apps to check if a grant is still valid."""
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token = request.args.get("token", "")
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if not token:
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return jsonify({"valid": False}), 200
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async with get_session() as s:
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grant = await s.scalar(
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select(OAuthGrant).where(OAuthGrant.token == token)
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)
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if not grant or grant.revoked_at is not None:
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return jsonify({"valid": False}), 200
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return jsonify({"valid": True}), 200
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@auth_bp.get("/internal/check-device")
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async def check_device():
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"""Called by client apps to check if a device has an active auth.
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Looks up the most recent grant for (device_id, client_id).
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If the grant is active → {active: true}.
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If revoked but user has logged in since → {active: true} (re-auth needed).
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Otherwise → {active: false}.
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"""
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device_id = request.args.get("device_id", "")
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app_name = request.args.get("app", "")
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if not device_id or not app_name:
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return jsonify({"active": False}), 200
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async with get_session() as s:
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# Find the most recent grant for this device + app
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result = await s.execute(
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select(OAuthGrant)
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.where(OAuthGrant.device_id == device_id)
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.where(OAuthGrant.client_id == app_name)
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.order_by(OAuthGrant.created_at.desc())
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.limit(1)
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)
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grant = result.scalar_one_or_none()
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if not grant:
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return jsonify({"active": False}), 200
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# Grant still active
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if grant.revoked_at is None:
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return jsonify({"active": True}), 200
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# Grant revoked — check if user logged in since
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user = await s.get(User, grant.user_id)
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if user and user.last_login_at and user.last_login_at > grant.revoked_at:
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return jsonify({"active": True}), 200
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return jsonify({"active": False}), 200
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# --- Magic link login flow -----------------------------------------------
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@auth_bp.get("/login/")
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async def login_form():
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store_login_redirect_target()
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cross_cart_sid = request.args.get("cart_sid")
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if cross_cart_sid:
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qsession["cart_sid"] = cross_cart_sid
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if g.get("user"):
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redirect_url = pop_login_redirect_target()
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return redirect(redirect_url)
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return await render_template("auth/login.html")
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@auth_bp.post("/start/")
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async def start_login():
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form = await request.form
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email_input = form.get("email") or ""
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is_valid, email = validate_email(email_input)
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if not is_valid:
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return (
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await render_template(
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"auth/login.html",
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error="Please enter a valid email address.",
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email=email_input,
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),
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400,
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)
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user = await find_or_create_user(g.s, email)
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token, expires = await create_magic_link(g.s, user.id)
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from shared.utils import host_url
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magic_url = host_url(url_for("auth.magic", token=token))
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email_error = None
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try:
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await send_magic_email(email, magic_url)
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except Exception as e:
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current_app.logger.error("EMAIL SEND FAILED: %r", e)
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email_error = (
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"We couldn't send the email automatically. "
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"Please try again in a moment."
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)
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return await render_template(
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"auth/check_email.html",
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email=email,
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email_error=email_error,
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)
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@auth_bp.get("/magic/<token>/")
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async def magic(token: str):
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now = datetime.now(timezone.utc)
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user_id: int | None = None
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try:
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async with get_session() as s:
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async with s.begin():
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user, error = await validate_magic_link(s, token)
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if error:
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return (
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await render_template("auth/login.html", error=error),
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400,
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)
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user_id = user.id
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except Exception:
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return (
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await render_template(
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"auth/login.html",
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error="Could not sign you in right now. Please try again.",
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),
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502,
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)
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assert user_id is not None
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ident = current_cart_identity()
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anon_session_id = ident.get("session_id")
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try:
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async with get_session() as s:
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async with s.begin():
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u2 = await s.get(User, user_id)
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if u2:
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u2.last_login_at = now
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if anon_session_id:
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await emit_activity(
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s,
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activity_type="rose:Login",
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actor_uri="internal:system",
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object_type="Person",
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object_data={
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"user_id": user_id,
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"session_id": anon_session_id,
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},
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)
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# Notify external services of device login
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await emit_activity(
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s,
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activity_type="rose:DeviceAuth",
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actor_uri="internal:system",
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object_type="Device",
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object_data={
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"device_id": g.device_id,
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"action": "login",
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},
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)
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except SQLAlchemyError:
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current_app.logger.exception(
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"[auth] non-fatal DB update for user_id=%s", user_id
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)
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qsession[SESSION_USER_KEY] = user_id
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# Fresh account session ID for grant tracking
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qsession[ACCOUNT_SESSION_KEY] = secrets.token_urlsafe(32)
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# Signal login for this device so client apps can detect it
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try:
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from shared.infrastructure.auth_redis import get_auth_redis
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import time as _time
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_auth_r = await get_auth_redis()
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await _auth_r.set(
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f"did_auth:{g.device_id}",
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str(_time.time()).encode(),
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ex=30 * 24 * 3600,
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)
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except Exception:
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current_app.logger.exception("[auth] failed to set did_auth in Redis")
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redirect_url = pop_login_redirect_target()
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return redirect(redirect_url, 303)
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@auth_bp.post("/logout/")
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async def logout():
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# Revoke all grants issued by this account session
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account_sid = qsession.get(ACCOUNT_SESSION_KEY)
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if account_sid:
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try:
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async with get_session() as s:
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async with s.begin():
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await s.execute(
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update(OAuthGrant)
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.where(OAuthGrant.issuer_session == account_sid)
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.where(OAuthGrant.revoked_at.is_(None))
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.values(revoked_at=datetime.now(timezone.utc))
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)
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except SQLAlchemyError:
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current_app.logger.exception("[auth] failed to revoke grants")
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# Clear login signal for this device
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try:
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from shared.infrastructure.auth_redis import get_auth_redis
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_auth_r = await get_auth_redis()
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await _auth_r.delete(f"did_auth:{g.device_id}")
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except Exception:
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pass
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# Notify external services of device logout
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try:
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async with get_session() as s:
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async with s.begin():
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await emit_activity(
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s,
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activity_type="rose:DeviceAuth",
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actor_uri="internal:system",
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object_type="Device",
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object_data={
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"device_id": g.device_id,
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"action": "logout",
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},
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)
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except Exception:
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current_app.logger.exception("[auth] failed to emit DeviceAuth logout")
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qsession.pop(SESSION_USER_KEY, None)
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qsession.pop(ACCOUNT_SESSION_KEY, None)
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from shared.infrastructure.urls import blog_url
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return redirect(blog_url("/"))
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@auth_bp.get("/sso-logout/")
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async def sso_logout():
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"""SSO logout called by client apps: revoke grants, clear session."""
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account_sid = qsession.get(ACCOUNT_SESSION_KEY)
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if account_sid:
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try:
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async with get_session() as s:
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async with s.begin():
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await s.execute(
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update(OAuthGrant)
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.where(OAuthGrant.issuer_session == account_sid)
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.where(OAuthGrant.revoked_at.is_(None))
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.values(revoked_at=datetime.now(timezone.utc))
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)
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except SQLAlchemyError:
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current_app.logger.exception("[auth] failed to revoke grants")
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# Clear login signal for this device
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try:
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from shared.infrastructure.auth_redis import get_auth_redis
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_auth_r = await get_auth_redis()
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await _auth_r.delete(f"did_auth:{g.device_id}")
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except Exception:
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pass
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# Notify external services of device logout
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try:
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async with get_session() as s:
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async with s.begin():
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await emit_activity(
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s,
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activity_type="rose:DeviceAuth",
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actor_uri="internal:system",
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object_type="Device",
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object_data={
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"device_id": g.device_id,
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"action": "logout",
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},
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)
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except Exception:
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current_app.logger.exception("[auth] failed to emit DeviceAuth logout")
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qsession.pop(SESSION_USER_KEY, None)
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qsession.pop(ACCOUNT_SESSION_KEY, None)
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from shared.infrastructure.urls import blog_url
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return redirect(blog_url("/"))
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@auth_bp.get("/clear/")
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async def clear():
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"""One-time migration helper: clear all session cookies."""
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qsession.clear()
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resp = redirect(account_url("/"))
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resp.delete_cookie("blog_session", domain=".rose-ash.com", path="/")
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return resp
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return auth_bp
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