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Commit 497f3057 authored by Julian Horner's avatar Julian Horner
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Add login page and controller

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src/main/java/de/rtuni/ms/apig/LoginController.java 0 → 100644
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View file @ 497f3057
/*
* Copyright 2019 (C) by Julian Horner.
* All Rights Reserved.
*/
package de.rtuni.ms.apig;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
/**
* Class that handles all kind of requests.
*
* @author Julian
*/
@Controller
public class LoginController {
//----------------------------------------------------------------------------------------------
/**
* Catch the request for the login page and returns the name of the corresponding template.
*
* @return The name of the template
*/
@RequestMapping("/login")
public String login() {
return "login";
}
//----------------------------------------------------------------------------------------------
}
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src/main/resources/templates/login.html 0 → 100644
+ 121
− 0
View file @ 497f3057
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>Login</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
</head>
<body>
<h1>Login</h1>
<form name="loginForm" action="securedPage/" method="POST">
<input id="access_token" type="hidden" name="access_token" value="">
<fieldset>
<legend>Please Login</legend>
<div th:if="${param.error}" class="alert alert-error">Invalid username and password.</div>
<div th:if="${param.logout}" class="alert alert-success">You have been logged out.</div>
<label for="username">Username</label>
<input type="text" id="username" name="username"/>
<label for="password">Password</label>
<input type="password" id="password" name="password"/>
<div>
<button type="button" class="btn" onclick="requestToken()">Log in</button>
</div>
</fieldset>
</form>
</body>
<script type="text/javascript">
//-------------------------------------------------------------------------------------------
function requestToken() {
const usernameElem = document.getElementById("username");
const passwordElem = document.getElementById("password");
const httpRequest = new XMLHttpRequest();
httpRequest.onreadystatechange = () => { saveToken(httpRequest); };
httpRequest.open("POST", "/auth");
httpRequest.setRequestHeader("Cache-Control", "no-cache");
httpRequest.setRequestHeader("Content-Type", "application/json; charset=UTF-8");
let params = {};
params.username = usernameElem.value;
params.password = passwordElem.value;
httpRequest.send(JSON.stringify(params));
}
//-------------------------------------------------------------------------------------------
function saveToken(httpRequest) {
try {
if (httpRequest.readyState === XMLHttpRequest.DONE) {
if (httpRequest.status === 204) {
let token = httpRequest.getResponseHeader("Authorization");
const tokenElem = document.getElementById("access_token");
tokenElem.value = token;
document.loginForm.submit();
//let tokenCookie = "authToken=" + token;
//tokenCookie += ";path=/";
//const date = new Date();
//date.setTime(date.getTime() + (1000 * 60 * 60 * 24));
//tokenCookie += ";expires=" + date.toGMTString();
//document.cookie = tokenCookie;
//forward();
} else if (httpRequest.status === 401) {
alert("Either username or password was wrong.");
} else {
alert("Something went wrong try again.");
}
}
} catch (e) { alert("Caught Exception: " + e.description); }
}
//-------------------------------------------------------------------------------------------
function forward() {
const cookies = document.cookie;
const cookieArray = cookies.split("; ")
let authToken;
cookieArray.forEach((elem) => {
if (elem.startsWith("authToken")) {
authToken = elem.slice("authToken=".length);
}
});
const httpRequest = new XMLHttpRequest();
httpRequest.onreadystatechange = (httpRequest) => {
try {
if (httpRequest.readyState === XMLHttpRequest.DONE) {
console.log(httpRequest.status);
if (httpRequest.status === 200) {
console.log(httpRequest.responseText);
var newWindow = window.open(httpRequest);
} else {
alert("Something went wrong try again.");
}
}
} catch (e) { alert("Caught Exception: " + e.description); }
}
httpRequest.open("GET", "/securedPage", false);
httpRequest.setRequestHeader("Authorization", "Bearer " + authToken);
httpRequest.setRequestHeader("Cache-Control", "no-cache");
httpRequest.setRequestHeader("Content-Type", "text/html;");
httpRequest.send();
}
//-------------------------------------------------------------------------------------------
</script>
</html>
\ No newline at end of file
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