krnbr

import React, {useEffect, useLayoutEffect, useRef, useState} from 'react';
import {Button,CircularProgress,CssBaseline,TextField,Grid,Container,Theme,makeStyles,Box,FormHelperText,SnackbarContent,Snackbar,Icon,IconButton} from '@material-ui/core';
/*import Link from '@material-ui/core/Link';*/
/*import {makeStyles} from '@material-ui/core/styles';*/
import defaultTheme from '../src/theme';
import {ThemeProvider} from '@material-ui/styles';
import Logo from "../src/components/logo";
import {PasswordDto, RecaptchaDto, SignInDto, UserDto} from "../models/SignInDto";
import {NextPage} from "next";
import '../styles/signin.scss';

krnbr

import React, {useEffect, useLayoutEffect, useRef, useState} from 'react';
import {Button,CircularProgress,CssBaseline,TextField,Grid,Container,Theme,makeStyles,Box,FormHelperText,SnackbarContent,Snackbar,Icon,IconButton} from '@material-ui/core';
/*import Link from '@material-ui/core/Link';*/
/*import {makeStyles} from '@material-ui/core/styles';*/
import defaultTheme from '../src/theme';
import {ThemeProvider} from '@material-ui/styles';
import Logo from "../src/components/logo";
import {PasswordDto, RecaptchaDto, RegisterDto, UserDto, RePasswordDto} from "../models/RegisterDto";
import {NextPage} from "next";
import '../styles/signin.scss';

krnbr

/*
    NOTES
    replace your http://your.oauth.server.domain/oauth/token with actual token url for your oauth server
    replace your_client_id with actual client id of your oauth server
    replace your_client_secret with actual client secret of your oauth server
    replace "your scopes space seperated" with actual scopes
*/

const postRequest = {
  url: "http://your.oauth.server.domain/oauth/token",

krnbr

function JSONStringify(object) {
        var cache:any[] = [];
        var str = JSON.stringify(object,
            // custom replacer fxn - gets around "TypeError: Converting circular structure to JSON"
            function(key, value) {
                if (typeof value === 'object' && value !== null) {
                    if (cache.indexOf(value) !== -1) {
                        // Circular reference found, discard key
                        return;
                    }

krnbr

{
  "aud": [
    "neuw_api_resources"
  ],
  "scope": [
    "system"
  ],
  "iss": "http://localhost:8080",
  "scopes": "system",
  "exp": 1586855599,

krnbr

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-oauth2-resource-server</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-oauth2-jose</artifactId>
</dependency>

krnbr

{
  "aud": [
    "mock_aud"
  ],
  "scope": [
    "system"
  ],
  "iss": "http://localhost:8080",
  "scopes": "system",
  "exp": 1586855599,

krnbr

public class JKStoBase64String {
    private static final int BUFFER_SIZE = 65535;

    public static byte[] convertFileToByteArray(String certificateFilePath) throws Exception {
        if (certificateFilePath == null || certificateFilePath.isEmpty()) {
            throw new Exception("file path should not be null or empty");
        }
        File file = new File(certificateFilePath);
        if (!file.exists()) {
            throw new Exception("file not exist : " + file.getAbsolutePath());

krnbr

\--oauth2-spring-boot-client - Root
|   .gitignore - Git management for ignoring not required files
|   pom.xml - Maven pom.xml      
+---src
|   +---main
|   |   +---java
|   |   |   \---in
|   |   |       \---neuw
|   |   |           \---oauth2
|   |   |               |   Oauth2SpringBootClientApplication.java - The SpringBootApplication main class.

krnbr

spring.security.oauth2.client.registration.<identifier>.authorization-grant-type=client_credentials
spring.security.oauth2.client.registration.<identifier>.client-id=client_id
spring.security.oauth2.client.registration.<identifier>.client-secret=client_secret

spring.security.oauth2.client.provider.<identifier>.token-uri=http://localhost:8353/oauth/token