auth status route to api server (#342)

cli/auth/authProvider.go

@@ -23,14 +23,9 @@ const loginTimeoutInMin = 2
 var listenPorts = []int{3141, 4001, 5002, 6003, 7004, 8005, 9006, 10007}
 
 func IsTokenExpired(tokenString string) (bool, error) {
-	token, _, err := new(jwt.Parser).ParseUnverified(tokenString, jwt.MapClaims{})
+	claims, err := getTokenClaims(tokenString)
 	if err != nil {
-		return true, fmt.Errorf("failed to parse token, err: %v", err)
-	}
-
-	claims, ok := token.Claims.(jwt.MapClaims)
-	if !ok {
-		return true, fmt.Errorf("can't convert token's claims to standard claims")
+		return true, err
 	}
 
 	expiry := time.Unix(int64(claims["exp"].(float64)), 0)
@@ -38,6 +33,29 @@ func IsTokenExpired(tokenString string) (bool, error) {
 	return time.Now().After(expiry), nil
 }
 
+func GetTokenEmail(tokenString string) (string, error) {
+	claims, err := getTokenClaims(tokenString)
+	if err != nil {
+		return "", err
+	}
+
+	return claims["email"].(string), nil
+}
+
+func getTokenClaims(tokenString string) (jwt.MapClaims, error) {
+	token, _, err := new(jwt.Parser).ParseUnverified(tokenString, jwt.MapClaims{})
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse token, err: %v", err)
+	}
+
+	claims, ok := token.Claims.(jwt.MapClaims)
+	if !ok {
+		return nil, fmt.Errorf("can't convert token's claims to standard claims")
+	}
+
+	return claims, nil
+}
+
 func Login() error {
 	token, loginErr := loginInteractively()
 	if loginErr != nil {