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TypeScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475import type { Agent, Connection, ConnectionContext } from "agents";import { loadCustomerConfig, loadCustomerSecrets,} from "../configuration/customer.ts";import type { Env } from "./personal-agent";import { verifyOwnerSession } from "./session";
export interface SessionConnection { expiresAt: number; expirySchedule: string;}
export interface SessionExpiry { connectionId: string; expiresAt: number;}
type SessionAgent = Pick<Agent<Env>, "cancelSchedule" | "getConnection"> & { schedule( when: Date, callback: "expireSession", payload: SessionExpiry, ): Promise<{ id: string }>;};
// Worker ingress authorizes before any native protocol output. These hooks bound// the accepted socket's lifetime using attachments and schedules across wakes.export async function connectSession( agent: SessionAgent, env: Env, connection: Connection<SessionConnection>, context: ConnectionContext,) { const { effectiveInstallation } = loadCustomerConfig(env); const { sessionSecret } = loadCustomerSecrets(env); const session = await verifyOwnerSession( context.request, sessionSecret, effectiveInstallation, ); if (!session) { connection.close(4001, "Authentication required"); return; } const expiry = await agent.schedule( new Date(session.expiresAt * 1000), "expireSession", { connectionId: connection.id, expiresAt: session.expiresAt, }, ); connection.setState({ expiresAt: session.expiresAt, expirySchedule: expiry.id, });}
export async function closeSession( agent: SessionAgent, connection: Connection<SessionConnection>,) { if (connection.state?.expirySchedule) await agent.cancelSchedule(connection.state.expirySchedule);}
export function expireSession(agent: SessionAgent, payload: SessionExpiry) { const connection = agent.getConnection<SessionConnection>( payload.connectionId, ); if (connection?.state?.expiresAt === payload.expiresAt) connection.close(4001, "Session expired");}