Initial commit : monorepo seiche (serveur Fastify + web Vite/React, Docker, config VS Code)

server/tests/session.test.ts

@@ -0,0 +1,125 @@
+import { createHash, randomBytes } from "node:crypto";
+import { eq } from "drizzle-orm";
+import { beforeAll, describe, expect, it } from "vitest";
+import { SessionManager } from "../src/auth/session";
+import type { Database } from "../src/db/client";
+import { sessions, users } from "../src/db/schema";
+import { makeConfig, openTestDb } from "./helpers";
+
+function sha256Hex(value: string): string {
+  return createHash("sha256").update(value).digest("hex");
+}
+
+function newToken(): string {
+  return randomBytes(32).toString("hex");
+}
+
+describe("SessionManager", () => {
+  let db: Database;
+  let manager: SessionManager;
+  let userId: number;
+
+  beforeAll(async () => {
+    db = await openTestDb();
+    manager = new SessionManager(db, makeConfig());
+    const inserted = await db
+      .insert(users)
+      .values({ username: "alice", passwordHash: "x" })
+      .returning();
+    const user = inserted[0];
+    if (user === undefined) throw new Error("utilisateur de test non inséré");
+    userId = user.id;
+  });
+
+  it("create : token + CSRF 256 bits, getValid renvoie le contexte", async () => {
+    const { token, csrfToken } = await manager.create(userId);
+    expect(token).toMatch(/^[a-f0-9]{64}$/);
+    expect(csrfToken).toMatch(/^[a-f0-9]{64}$/);
+    const ctx = await manager.getValid(token);
+    expect(ctx?.userId).toBe(userId);
+    expect(ctx?.username).toBe("alice");
+    expect(ctx?.sessionExpiresAt).toBeInstanceOf(Date);
+  });
+
+  it("getValid : token absent ou inconnu → null", async () => {
+    expect(await manager.getValid(undefined)).toBeNull();
+    expect(await manager.getValid(newToken())).toBeNull();
+  });
+
+  it("le token est stocké haché (pas en clair)", async () => {
+    const { token } = await manager.create(userId);
+    const rows = await db
+      .select()
+      .from(sessions)
+      .where(eq(sessions.tokenHash, sha256Hex(token)));
+    expect(rows).toHaveLength(1);
+    expect(rows[0]?.tokenHash).not.toBe(token);
+  });
+
+  it("TTL glissant : expiration = maintenant + ttl", async () => {
+    const { token } = await manager.create(userId);
+    const before = Date.now();
+    const ctx = await manager.getValid(token);
+    expect(ctx?.sessionExpiresAt.getTime()).toBeGreaterThanOrEqual(before + 8 * 3600 * 1000 - 2000);
+    expect(ctx?.sessionExpiresAt.getTime()).toBeLessThanOrEqual(before + 8 * 3600 * 1000 + 5000);
+  });
+
+  it("TTL glissant borné par l'expiration absolue", async () => {
+    const m = new SessionManager(
+      db,
+      makeConfig({ sessionTtlMs: 3_600_000, sessionAbsoluteTtlMs: 300_000 }),
+    );
+    const { token } = await m.create(userId);
+    const before = Date.now();
+    const ctx = await m.getValid(token);
+    expect(ctx?.sessionExpiresAt.getTime()).toBeGreaterThanOrEqual(before + 300_000 - 1_000);
+    expect(ctx?.sessionExpiresAt.getTime()).toBeLessThanOrEqual(before + 300_000 + 1_000);
+  });
+
+  it("expiration absolue dépassée → null + ligne supprimée", async () => {
+    const token = newToken();
+    const past = new Date(Date.now() - 1000);
+    await db.insert(sessions).values({
+      tokenHash: sha256Hex(token),
+      userId,
+      createdAt: past,
+      expiresAt: past,
+      absoluteExpiryAt: past,
+      lastActivityAt: past,
+    });
+    expect(await manager.getValid(token)).toBeNull();
+    const rows = await db
+      .select()
+      .from(sessions)
+      .where(eq(sessions.tokenHash, sha256Hex(token)));
+    expect(rows).toHaveLength(0);
+  });
+
+  it("destroy invalidate le token", async () => {
+    const { token } = await manager.create(userId);
+    await manager.destroy(token);
+    expect(await manager.getValid(token)).toBeNull();
+  });
+
+  it("5 sessions max par utilisateur (exactement 5 des 6 restent valides)", async () => {
+    const inserted = await db
+      .insert(users)
+      .values({ username: "bob", passwordHash: "x" })
+      .returning();
+    const bob = inserted[0];
+    if (bob === undefined) throw new Error("utilisateur bob non inséré");
+    const m2 = new SessionManager(db, makeConfig());
+    const tokens: string[] = [];
+    for (let i = 0; i < 6; i += 1) {
+      tokens.push((await m2.create(bob.id)).token);
+    }
+    const rows = await db.select().from(sessions).where(eq(sessions.userId, bob.id));
+    expect(rows).toHaveLength(5);
+    let validCount = 0;
+    for (const t of tokens) {
+      const ctx = await m2.getValid(t);
+      if (ctx !== null) validCount += 1;
+    }
+    expect(validCount).toBe(5);
+  });
+});