commit bfda18171355140ce6053ebb3c630a8012e782b8 · gmstn.systems/shard

+30 -33
src/lib/sessions.ts
···

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       import * as crypto from "node:crypto";

     

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       import { SESSIONS_SECRET } from "@/lib/utils/crypto";

     

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       import { z } from "zod";

     

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       import type { Result } from "@/lib/utils/result";

     

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       export const sessionInfoSchema = z.object({

     

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           id: z.string(),

     
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       });

     

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       export type SessionInfo = z.infer<typeof sessionInfoSchema>;

     

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       export type Session = Map<string, WebSocket>;

     

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       export const sessions: Session = new Map<string, WebSocket>();

     

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       export const generateSessionId = () => {

     

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           return crypto.randomUUID();

     

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       };

     
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           return { id: sessionId, token, fingerprint };

     

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       };

     

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       export const verifySessionToken = ({

     

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       export const verifyHandshakeToken = ({

     

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           token,

     

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           fingerprint,

     

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           id: sessionId,

     
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           }

     

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       };

     

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       export const assignSessionTo = ({

     

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       export const issuedHandshakes = new Set<SessionInfo>();

     

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       export const issueNewHandshakeToken = () => {

     

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           const sessionId = generateSessionId();

     

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           const sessionInfo = generateSessionInfo(sessionId);

     

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           issuedHandshakes.add(sessionInfo);

     

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       };

     

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       export const activeSessions = new Map<string, WebSocket>();

     

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       export const createNewSession = ({

     

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           sessionInfo,

     

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           socket,

     

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       }: {

     

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           sessionInfo: SessionInfo;

     

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           socket: WebSocket;

     

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       -
       }) => {

     

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       }): Result<undefined, undefined> => {

     

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           const isValidSession = verifyHandshakeToken(sessionInfo);

     

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           if (!isValidSession) return { ok: false };

     

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           try {

     

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               const sessionId = sessionInfo.id;

     

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               sessions.set(sessionId, socket);

     

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               return { ok: true };

     

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           } catch (err: unknown) {

     

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               return { ok: false, err };

     

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               issuedHandshakes.delete(sessionInfo);

     

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           } catch {

     

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               return { ok: false };

     

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           }

     

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           activeSessions.set(sessionInfo.id, socket);

     

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           return { ok: true };

     

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       };

     

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       export const dropSession = (sessionId: string) => {

     

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       export const deleteSession = (

     

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           sessionInfo: SessionInfo,

     

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       ): Result<undefined, undefined> => {

     

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           if (!activeSessions.has(sessionInfo.id)) return { ok: false };

     

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           try {

     

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               if (!sessions.has(sessionId))

     

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                   return {

     

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                       ok: false,

     

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                       err: new Error(

     

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                           `Could not find a session socket for id ${sessionId} `,

     

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                       ),

     

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                   };

     

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               const session = sessions.get(sessionId);

     

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               if (!session)

     

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                   return {

     

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                       ok: false,

     

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                       err: new Error(

     

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                           "`sessionId` key exists, but could not get the session socket for some reason?",

     

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                       ),

     

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                   };

     

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               session.close();

     

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               sessions.delete(sessionId);

     

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               return { ok: true };

     

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           } catch (err: unknown) {

     

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               return { ok: false, err };

     

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               activeSessions.delete(sessionInfo.id);

     

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           } catch {

     

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               return { ok: false };

     

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           }

     

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           return { ok: true };

     

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       };