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Merge pull request #15 from danieldupriest/LoginScript

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Add login script to login page
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hui2018 2019-01-17 12:02:42 -08:00 committed by GitHub
commit f02420e210
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2 changed files with 48 additions and 2 deletions
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5
front/static/login.html
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@ -11,11 +11,12 @@
</head> </head>
<body> <body>
<h1>Login Page</h1> <h1>Login Page</h1>
<form> <form method="POST">
username: <input type="text" name="username" required><br> username: <input type="text" name="username" required><br>
password: <input type="password" name="password" required><br> password: <input type="password" name="password" required><br>
<input type="submit" name="submit" value="submit"> <input type="submit" name="submit" value="submit">
</form> </form>
<!-- TODO: add script link here --> <p id="errorReport"><p>
<script src="login.js"></script>
</body> </body>
</html> </html>

45
front/static/login.js Normal file
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@ -0,0 +1,45 @@
function displayErrorMessage(errorMessage) {
const errorReport = document.querySelector("#errorReport");
errorReport.innerHTML = JSON.parse(errorMessage).error;
}
function postToLoginEndpoint(event) {
event.preventDefault();
const credentials = {
"username" : this.elements.username.value,
"password" : this.elements.password.value
}
const url = "https://reqres.in/api/login" // mock api service
const xhr = new XMLHttpRequest();
console.log(`User credentials:\n${JSON.stringify(credentials)}`);
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/json");
xhr.onreadystatechange = function() {
if (this.readyState === 4) {
if (this.status === 200) {
console.log("LOGIN SUCCESS!");
console.log(`Server response:\n${this.response}`);
token = JSON.parse(this.response).token;
localStorage.setItem("token", token);
window.location.replace("dashboard.html");
} else {
console.log("LOGIN FAILURE!");
console.log(`Server status: ${this.status}`);
console.log(`Server response:\n${this.response}`);
displayErrorMessage(this.response);
}
}
};
xhr.onerror = function() {
alert("Error connecting to the authentication server!");
};
xhr.send(JSON.stringify(credentials));
}
const form = document.querySelector("form");
form.addEventListener("submit", postToLoginEndpoint);