ContainerImage.Pinniped/internal/oidc/provider/formposthtml/form_post.js

55 lines
2.3 KiB
JavaScript

// Copyright 2021 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
window.onload = () => {
const transitionToState = (id) => {
// Hide all the other ".state" <div>s.
Array.from(document.querySelectorAll('.state')).forEach(e => e.hidden = true);
// Unhide the current state <div>.
const currentDiv = document.getElementById(id)
currentDiv.hidden = false;
// Set the window title.
document.title = currentDiv.dataset.title;
// Set the favicon using inline SVG (does not work on Safari).
document.getElementById('favicon').setAttribute(
'href',
'data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>' +
currentDiv.dataset.favicon +
'</text></svg>'
);
}
// At load, show the spinner, hide the other divs, set the favicon, and
// replace the URL path with './' so the upstream auth code disappears.
transitionToState('loading');
window.history.replaceState(null, '', './');
// When the copy button is clicked, copy to the clipboard.
document.getElementById('manual-copy-button').onclick = () => {
const code = document.getElementById('manual-copy-button').innerText;
navigator.clipboard.writeText(code)
.then(() => console.info('copied authorization code ' + code + ' to clipboard'))
.catch(e => console.error('failed to copy code ' + code + ' to clipboard: ' + e));
};
// Set a timeout to transition to the "manual" state if nothing succeeds within 2s.
const timeout = setTimeout(() => transitionToState('manual'), 2000);
// Try to submit the POST callback, handling the success and error cases.
const responseParams = document.forms[0].elements;
fetch(
responseParams['redirect_uri'].value,
{
method: 'POST',
mode: 'no-cors',
headers: {'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8'},
body: responseParams['encoded_params'].value,
})
.then(() => clearTimeout(timeout))
.then(() => transitionToState('success'))
.catch(() => transitionToState('manual'));
};