zephyr-agent/dist/lib/auth/sse.mjs

Zephyr plugin agent

import "node:module";
import { EventSource } from "eventsource";
import { ze_debug } from "../logging/index.mjs";
import { ZeErrors, ZephyrError } from "../errors/index.mjs";
class AuthListener {
    workerUrl;
    constructor(workerUrl){
        workerUrl.pathname = '/sse';
        this.workerUrl = workerUrl;
    }
    async waitForToken(timeoutMs = 300000) {
        const sessionId = this.workerUrl.searchParams.get('sessionId');
        if (!sessionId) throw new ZephyrError(ZeErrors.ERR_UNKNOWN, {
            message: 'Session ID is required'
        });
        return new Promise((resolve, reject)=>{
            const eventSource = new EventSource(this.workerUrl);
            const timeout = setTimeout(()=>{
                eventSource.close();
                reject(new ZephyrError(ZeErrors.ERR_UNKNOWN, {
                    message: 'Auth timeout'
                }));
            }, timeoutMs);
            eventSource.onmessage = (event)=>{
                try {
                    const data = JSON.parse(event.data);
                    if ('token' === data.type) {
                        clearTimeout(timeout);
                        eventSource.close();
                        const token = data.token ?? data.tokens?.access_token;
                        resolve({
                            sessionId,
                            token
                        });
                    } else if ('error' === data.type) {
                        clearTimeout(timeout);
                        eventSource.close();
                        reject(new Error(data.message));
                    } else ze_debug('AuthListener', `Unknown message type: ${data.type}`);
                } catch (err) {
                    clearTimeout(timeout);
                    eventSource.close();
                    reject(err);
                }
            };
            eventSource.onerror = (error)=>{
                clearTimeout(timeout);
                eventSource.close();
                reject(error);
            };
        });
    }
}
export { AuthListener };

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