Four Ways a Refresh Token Request Fails — Only One Means Trouble
Invalid, expired, revoked, and reused tokens aren't the same. Build real refresh token reuse detection in NestJS + Postgres—and verify it revokes only the compromised session.
Invalid, expired, revoked, and reused tokens aren't the same. Build real refresh token reuse detection in NestJS + Postgres—and verify it revokes only the compromised session.
Build Google OAuth from first principles using PKCE, state validation, secure token exchange, refresh tokens, and JWT sessions in Node.js—without Passport.js or authentication libraries.
