Initial auth library commmit

lib/utils/jwt.ts

@@ -0,0 +1,31 @@
+import jwt, { JwtPayload } from 'jsonwebtoken';
+
+export interface TokenProps {
+    aud?: string;
+    exp?: number | Date;
+    iss?: string;
+    sub: string | null;
+    [key: string]: any;
+}
+
+export type SignProps = string | TokenProps | void;
+
+export const sign = (props: SignProps) => {
+    const today = new Date();
+    const { sub = null, ...rest }: TokenProps = typeof props === 'string' || typeof props === 'undefined' ? { sub: props || null } : props;
+    let exp = rest.exp; 
+    if (!exp) {
+        exp = new Date(today);
+        exp.setDate(today.getDate() + parseInt(process.env.JWT_DAYS_VALID as string));
+        exp = exp.getTime() / 1000;
+    }
+    return jwt.sign({
+        aud: rest.aud || process.env.JWT_AUDIENCE,
+        exp,
+        iat: today.getTime(),
+        iss: rest.iss || process.env.JWT_ISSUER,
+        sub,
+    }, process.env.JWT_SECRET || 'secret');
+};
+
+export const verify = (token: string) => jwt.verify(token, process.env.JWT_SECRET || 'secret');