export function verifyUser()

in src/panda.ts [27:57]

• 24 lines of code
• 6 McCabe index (conditional complexity)

export function verifyUser(pandaCookie: string | undefined, publicKey: string, currentTime: Date, validateUser: ValidateUserFn): AuthenticationResult {
    if(!pandaCookie) {
        return { status: AuthenticationStatus.INVALID_COOKIE };
    }

    const { data, signature } = parseCookie(pandaCookie);

    if(!verifySignature(data, signature, publicKey)) {
        return { status: AuthenticationStatus.INVALID_COOKIE };
    }

    const currentTimestampInMilliseconds = currentTime.getTime();

    try {
        const user: User = parseUser(data);
        const isExpired = user.expires < currentTimestampInMilliseconds;

        if(isExpired) {
            return { status: AuthenticationStatus.EXPIRED, user };
        }

        if(!validateUser(user)) {
            return { status: AuthenticationStatus.NOT_AUTHORISED, user };
        }

        return { status: AuthenticationStatus.AUTHORISED, user };
    } catch(error) {
        console.error(error);
        return { status: AuthenticationStatus.INVALID_COOKIE };
    }
}