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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>OBS WebSocket Tester</title>
<meta name="description" content="Test and debug your WebSocket connection to OBS Studio with this simple tool. Just connect to OBS and start testing with your own WebSocket data.">
<link rel="icon" type="image/png" sizes="32x32"href="data:image/png;base64,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
" />
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/obs-ws.min.js"></script>
</head>
<body>
<div id="wrapper">
<section id="intro">
<svg viewBox="0 0 396 396" xmlns="http://www.w3.org/2000/svg" id="logo"><rect fill="#fff" height="396" rx="198" width="396" id="logo-bg"/><g id="logo-inner"><path d="m266.236 207.506c.154-.646.124-1.322-.086-1.952s-.592-1.189-1.103-1.613c-3.582-3.101-6.458-6.932-8.433-11.237-1.974-4.305-3.002-8.983-3.014-13.718.01-2.912.41-5.81 1.189-8.616.234-.723.231-1.503-.01-2.225-.24-.721-.706-1.347-1.328-1.785-20.586-14.878-45.085-23.399-70.467-24.51h-1.19c-.873-.075-1.746.149-2.475.635-.73.486-1.272 1.205-1.539 2.039-2.17 7.797-6.83 14.671-13.271 19.578s-14.309 7.577-22.408 7.605c-.113-.065-.242-.099-.372-.099-.131 0-.259.034-.372.099-3.408 18.929-3.859 38.271-1.338 57.337.132.795.5 1.532 1.057 2.115s1.277.985 2.065 1.153c32.989 5.422 64.905 16.052 94.552 31.491.808.382 1.723.473 2.591.256.867-.217 1.633-.727 2.166-1.445 11.548-16.589 19.638-35.33 23.786-55.108z"/><path d="m221.938 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<h1>OBS WebSocket Tester</h1>
</section>
<section class="block">
<div class="block-header">Connection Information</div>
<div class="block-body">
<div class="flex">
<div class="form-wrapper">
<label for="address" class="form-label">Address</label>
<input type="text" id="address" placeholder="localhost:4455" class="form-control" value="localhost:4455">
</div>
<div class="form-wrapper">
<label for="password" class="form-label">Password</label>
<input type="password" id="password" class="form-control">
</div>
</div>
<div class="form-wrapper form-check hidden">
<label for="subscribe-events" class="form-check-label">Subscribe to Events</label>
<input type="checkbox" id="subscribe-events" class="form-check-input">
</div>
<div id="event-subscriptions-wrapper" class="form-wrapper form-check hidden">
<select id="event-subscriptions" class="form-control form-select"></select>
</div>
<button id="button-connect" class="btn btn-primary">Connect</button>
<button id="button-disconnect" class="btn btn-danger hidden">Disconnect</button>
</div>
<div class="block-footer">
<div id="status" class="status">Not connected</div>
</div>
</section>
<section id="request-form-wrapper" class="block hidden">
<div class="block-header">Request Information</div>
<div class="block-body">
<form id="request-form" action="#">
<div class="form-wrapper">
<label for="request-type" class="form-label">Select a request type</label>
<div id="request-description" class="form-text"></div>
<select id="request-type" class="form-select" required aria-describedby="request-description"></select>
</div>
<div id="request-fields" class="form-wrapper"></div>
<input type="submit" id="button-sendrequest" class="btn btn-primary" value="Send Request" disabled />
</form>
</div>
<div class="block-footer">
<pre id="request-sent">Nothing sent yet ...</pre>
</div>
</section>
<section id="response-wrapper" class="block hidden">
<div class="block-header">OBS Response</div>
<div class="block-body">
<pre id="response">Nothing yet ...</pre>
</div>
</section>
<footer>
Built by <a href="https://propz.de" target="_blank" rel="noopener">propz</a> - Check out <a href="https://obsproject.com/" target="_blank" rel="noopener">OBS Studio</a> + <a href="https://github.com/obs-websocket-community-projects/obs-websocket-js" target="_blank" rel="noopener">obs-websocket-js</a>
</footer>
</div>
<style>
* {
margin:0;
padding:0;
box-sizing:border-box
}
:root {
--bg-body: #191b26;
--bg-block: #2c2e35;
--bg-block-header: #383a41;
--bg-input: #25272d;
--color-body: #e1e0e1;
--color-headings: #fffeff;
--color-primary: #256eff;
--color-secondary: #72a2ff;
--color-tertiary: #444b6d;
--color-link: var(--color-secondary);
--color-intro: #626c9d;
--color-red: #e2274f;
--color-red-dark: #bd193c;
--color-green: #00e000;
--color-green-dark: #00a800;
--border-color: var(--color-tertiary);
--border-radius: .5rem;
--padding-block: 2rem;
--padding-field: 1.15rem;
}
html {
font-size: 62.5%;
height: 100%;
background: var(--bg-body);
}
body {
min-height: 100%;
padding:5vh 5%;
background: var(--bg-body);
color: var(--color-body);
font-size: 2rem;
line-height: 1.5;
font-family: 'Open Sans', Helvetica, Arial, sans-serif;
}
/* General */
#logo-inner {
fill: var(--color-primary);
}
h1,h2,h3,h4,h5,h6 {
line-height: 1.2;
margin-bottom: var(--padding-block);
color: var(--color-headings);
}
p {
margin: 0 0 1rem;
}
button,
input[type="submit"] {
cursor: pointer;
}
a {
color: var( --color-link );
}
a:hover {
text-decoration: none;
}
.flex {
display: flex;
gap: var(--padding-block);
}
pre {
tab-size:4rem;
font-family: monospace;
color: var(--color-secondary);
white-space: pre-wrap;
}
footer {
font-size: 80%;
color: var(--color-intro);
}
#wrapper {
max-width:1280px;
margin:0 auto
}
#intro {
margin-bottom: calc( 2 * var(--padding-block) );
color: var(--color-intro);
}
#intro svg {
width: 10rem;
margin-bottom: var(--padding-block);
fill: #fff;
}
/* Block */
.block {
background: var(--bg-block);
background-clip: border-box;
border: 1px solid var(--border-color);
border-radius: var(--border-radius);
margin-bottom: calc( var(--padding-block) * 2 );
}
.block-header {
background: var(--bg-block-header);
border-radius: var(--border-radius) var(--border-radius) 0 0;
padding: calc( var(--padding-block) / 2 ) var(--padding-block);
border-bottom: 1px solid var(--border-color);
font-size: 120%;
font-weight: bold;
}
.block-body {
padding: calc( var(--padding-block) * 2 ) var(--padding-block);
}
/* Buttons */
.btn {
display: inline-block;
padding: calc( var(--padding-block) / 2 ) var(--padding-block);
text-align: center;
border: 0;
border-radius: 4rem;
background: var(--color-primary);
}
.btn:hover {
background: var(--color-secondary);
}
.btn:disabled,
.btn.disabled {
pointer-events: none;
opacity: .25;
}
.btn-danger{background:var(--color-red)}
.btn-danger:hover{background:var(--color-red-dark)}
/* Request fields + form */
#request-fields{
padding: var(--padding-block);
border-radius: var(--border-radius);
border: 1px dashed rgba(114, 162, 255, 0.75);
}
#request-fields:empty{
padding:0;
border:0
}
#request-fields h3 {
margin-bottom: calc( var(--padding-block) * 2 );
}
#request-fields > .form-wrapper:last-child {
margin-bottom: calc( var(--padding-block) / 2 )
}
#request-fields .form-wrapper {
margin-bottom: calc( var(--padding-block) * 2 );
}
#request-fields .form-control {
border-radius:0;
}
#request-sent {
background: var(--bg-input);
padding: var(--padding-block);
}
.form-wrapper {
margin-bottom: 2rem;
width: 100%;
position: relative;
}
input, button, select, optgroup, textarea {
margin: 0;
font-family: inherit;
font-size: inherit;
line-height: inherit;
transition: all .3s;
color: inherit;
}
.form-label,
.form-text {
font-size: 80%;
background: var(--color-tertiary);
padding: .3rem var(--padding-field);
float: left;
}
.form-text {
background: rgba(255, 255, 255, 0.1);
background: var(--bg-body);
color: rgba(255, 255, 255, 0.7);
}
.form-text:empty{padding:0}
.form-control,
.form-select {
position: relative;
z-index: 1;
display: block;
width: 100%;
padding: var(--padding-field);
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
word-wrap: break-word;
background: var(--bg-input);
border: 1px solid var(--border-color);
}
.form-control:focus,
.form-select:focus {
background: var(--bg-body);
outline: 0;
border-color: var(--color-tertiary);
}
.form-check {
min-height: 1.5rem;
padding-left: var(--padding-field);
margin-bottom: var(--padding-block);
}
.form-check-input {
margin-left: calc( var(--padding-field) * -1 );
float: left;
border-radius: 0.25em;
flex-shrink: 0;
width: 1em;
height: 1em;
margin-top: 0.25em;
margin-right: 1rem;
vertical-align: top;
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
background-repeat: no-repeat;
background-position: center;
background-size: contain;
border: .3rem solid var(--color-secondary);
}
.form-check-input:checked {
background-color: var(--color-secondary);
background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}
/* Status */
.status {
--status-bg: var(--color-tertiary);
--status-color: var(--color-secondary);
padding: var(--padding-block);
color: var(--status-color);
background-color: var(--status-bg);
border-left: .5rem solid var(--status-color);
border-radius: var(--border-radius);
border-top-left-radius: 0;
border-top-right-radius: 0;
}
.status-success {
--status-color: var(--color-green);
--status-bg: rgb(10 255 57 / 15%);
}
.status-error {
--status-color: var(--color-red);
--status-bg: rgb( 226 39 79 / 20% );
}
.hidden{display:none}
</style>
<script>
document.addEventListener( 'DOMContentLoaded', function()
{
const version = '1.0';
console.log(`\n%cOBS WebSocket Tester`, 'color:#72a2ff;background:#191b26;font-size:1rem;padding:.75rem; padding: 1rem auto; border:2px solid #256eff; border-radius: 4px;font-weight: bold; font-family: monospace');
console.log( `%cWelcome to the OBS WebSocket Connection Tester\n\n› Author: Wellington Estevo\n› Version: ${version}\n› Web: https://propz.de\n› Twitch: https://propz.de/twitch/\n\nLike it? I'd appreciate the support :)\n`, 'font-size:1rem;line-height:1.5;' );
var obs;
var obsData;
const obsDataUrl = 'https://raw.githubusercontent.com/obsproject/obs-websocket/master/docs/generated/protocol.json';
// Set title with version number
document.title += ` - v${version}`;
/**
* OBS Connection handler
*/
function connect()
{
event.preventDefault();
const address = document.querySelector( '#address' ).value || 'localhost:4455';
const password = document.querySelector( '#password' ).value;
const eventSubscriptions = document.querySelector( '#subscribe-events' ).checked ? document.querySelector( '#event-subscriptions' ).value : undefined;
const connectOptions = {};
if ( eventSubscriptions )
{
connectOptions.eventSubscriptions = eventSubscriptions;
console.log(eventSubscriptions);
}
obs = new OBSWebSocket();
obs.connect( `ws://${address}`, password, connectOptions ).then(() =>
{
console.log( '› Connected to OBS' );
show( '#request-form-wrapper, #response-wrapper, #button-disconnect' );
hide( '#button-connect' );
document.querySelector( '#status' ).innerHTML = 'Connected!';
document.querySelector( '#status' ).classList.remove( 'status-error' );
document.querySelector( '#status' ).classList.add( 'status-success' );
})
.catch( err =>
{
let errMsg = '<strong>Error connecting to OBS:</strong> ';
if ( err == 'Error' )
{
errMsg += 'Is OBS running? Host + Port correct? Wrong password?';
}
else
{
err = err.toString().replace( 'Error:', '' );
errMsg += err;
}
console.error( '› ' + errMsg);
document.querySelector( '#status' ).innerHTML = errMsg;
document.querySelector( '#status' ).classList.remove( 'status-success' );
document.querySelector( '#status' ).classList.add( 'status-error' );
});
}
/**
* OBS Disconnect handler
*/
function disconnect()
{
obs.disconnect().then(() =>
{
console.log( '› Disconnected from OBS' );
document.querySelector( '#status' ).innerHTML = 'Disconnected';
document.querySelector( '#status' ).classList.remove( 'status-error', 'status-success' );
hide( '#request-form-wrapper,#response-wrapper,#button-disconnect' );
show( '#button-connect' );
});
}
/**
* Get current OBS data from github and setup elements.
*/
async function setupObsData()
{
const response = await fetch( obsDataUrl );
obsData = await response.json();
setupObsRequests( obsData );
setupObsEvents( obsData );
}
/**
* Setup request type data
*/
function setupObsRequests(data)
{
const requests = data.requests;
const requestTypeSelect = document.querySelector( '#request-type' );
const requestFields = document.querySelector( '#request-fields' );
requestTypeSelect.innerHTML = '<option value="">-</option>';
// Categorize first ...
const requestCategories = {};
requests.forEach(request =>
{
if ( !requestCategories[ request.category ] ) requestCategories[ request.category ] = [];
requestCategories[ request.category ].push( request );
});
// .. then fill dropdown ...
Object.entries(requestCategories).forEach( ( [ category, categoryRequests ] ) =>
{
const optgroup = document.createElement( 'optgroup' );
optgroup.label = category;
categoryRequests.forEach(request =>
{
const option = document.createElement( 'option' );
option.value = request.requestType;
option.text = request.requestType;
optgroup.appendChild( option );
});
requestTypeSelect.appendChild( optgroup );
});
// ... then handle changes.
requestTypeSelect.addEventListener( 'change', function()
{
const selectedRequest = this.value;
const requestDescription = document.querySelector( '#request-description' );
// Reset all fields
requestFields.innerHTML = '';
requestDescription.innerHTML = '';
// Return if nothing was chosen
if ( !selectedRequest )
{
document.querySelector( '#button-sendrequest' ).disabled = true;
return;
}
document.querySelector( '#button-sendrequest' ).disabled = false;
const selectedRequestData = requests.find( request => request.requestType === selectedRequest );
// Set field description
requestDescription.textContent = selectedRequestData.description;
// Don't go any further if we don't have any requestFields
if ( !selectedRequestData.requestFields.length > 0 ) return;
requestFields.innerHTML = '<h3>Request fields</h3>';
// ... then loop and setup all param fields
selectedRequestData.requestFields.forEach( field =>
{
// Field values
const valueRequired = !field.valueOptional;
const valueRequiredText = valueRequired ? 'required, ' : '';
const valueType = field.valueType.toLowerCase();
const valueName = field.valueName;
// Dynamic input options
let valueTypeText = valueType;
let inputElement = 'input';
let inputType = 'text';
let inputClass = 'form-control';
let inputWrapperClass = 'form-wrapper';
let inputLabelClass = 'form-label';
let inputHelpId = `${valueName}Helper`;
switch (valueType)
{
case 'boolean':
inputType = 'checkbox';
inputClass = 'form-check-input';
inputLabelClass = 'form-check-label';
inputWrapperClass = 'form-check';
break;
case 'number':
inputType = 'number';
break;
case 'object':
inputElement = 'textarea';
valueTypeText = 'JSON object';
break;
}
// Create right description
let valueDescription = `${valueName} (${valueRequiredText}${valueTypeText})`;
if ( field.valueRestrictions )
valueDescription = `${valueName} (${valueRequiredText}${valueTypeText}: ${field.valueRestrictions})`;
// Set everything together
const inputField = document.createElement( inputElement );
inputField.name = valueName;
inputField.id = valueName;
inputField.placeholder = valueDescription;
inputField.required = valueRequired;
inputField.setAttribute( 'aria-describedby', inputHelpId );
inputField.classList.add( inputClass );
// Can't set type on textarea
if ( inputElement !== 'textarea' )
inputField.type = inputType;
else
inputField.rows = 3;
const inputLabel = document.createElement( 'label' );
inputLabel.textContent = valueDescription;
inputLabel.classList.add( inputLabelClass );
inputLabel.htmlFor = valueName;
const inputDescription = document.createElement( 'div' );
inputDescription.id = inputHelpId;
inputDescription.textContent = field.valueDescription;
inputDescription.classList.add( 'form-text' );
const inputWrapper = document.createElement( 'div' );
inputWrapper.classList.add( inputWrapperClass );
// Different position for checkbox
if ( inputWrapperClass === 'form-check' )
inputWrapper.append( inputField, inputLabel, inputDescription );
else
inputWrapper.append( inputLabel, inputDescription, inputField );
requestFields.appendChild( inputWrapper );
});
});
}
/**
* Setup event subscription data
*/
function setupObsEvents(data)
{
const events = data.events;
const eventSubscriptionsSelect = document.querySelector( '#event-subscriptions' );
const eventCategories = {};
events.forEach( event =>
{
if ( !eventCategories[ event.eventSubscription ] )
eventCategories[ event.eventSubscription ] = [];
eventCategories[ event.eventSubscription ].push(event);
});
eventSubscriptionsSelect.innerHTML = '<option value="EventSubscription.All">All</option>';
Object.entries(eventCategories).forEach( ( [ category, categoryEvents ] ) =>
{
const optgroup = document.createElement( 'optgroup' );
optgroup.label = category;
categoryEvents.forEach( event =>
{
const option = document.createElement( 'option' );
option.value = event.eventSubscription;
option.text = event.eventType;
optgroup.appendChild( option );
});
eventSubscriptionsSelect.appendChild( optgroup );
});
}
document.querySelector( '#button-connect' ).addEventListener( 'click', connect );
document.querySelector( '#button-disconnect' ).addEventListener( 'click', disconnect );
/**
* Send data to OBS
*/
document.querySelector( '#request-form' ).addEventListener( 'submit', function(event)
{
event.preventDefault();
const requestData = {
requestType: document.querySelector( '#request-type' ).value,
requestData: {}
};
//const requestData = {};
document.querySelectorAll( '#request-fields > div' ).forEach( fieldContainer =>
{
const input = fieldContainer.querySelector( 'input, textarea' );
if ( input )
{
let val = input.value;
if ( input.placeholder.toLowerCase().includes( 'object' ) ) val = JSON.parse( val );
if ( input.placeholder.toLowerCase().includes( 'boolean' ) ) val = input.checked;
if ( input.placeholder.toLowerCase().includes( 'number' ) ) val = parseInt( val );
console.log( input, val );
requestData.requestData[input.name] = val;
//requestData[input.name] = val;
}
});
console.log( '› Sending request:', requestData );
document.querySelector( '#request-sent' ).textContent = "Sent data: \n" + JSON.stringify( requestData, null, "\t" );
obs.callBatch( [ requestData ] ).then( response =>
{
//obs.call( document.querySelector( '#request-type' ).value, requestData ).then( response => {
console.log( '› Response from OBS:', response );
document.querySelector( '#response' ).textContent = JSON.stringify( response[0], null, "\t" );
})
.catch(err =>
{
console.error( '› Error sending request to OBS:', err);
document.querySelector( '#response' ).textContent = err;
});
});
/**
* Check if Events are needed
*/
document.querySelector( '#subscribe-events' ).addEventListener( 'change', function()
{
if ( this.checked )
show( '#event-subscriptions-wrapper' );
else
hide( '#event-subscriptions-wrapper' );
});
/**
* Hide all given elements (by ID)
*
* @param {string} elementsToHide - Element ID's separated by comma
* @returns {void}
*/
function hide( elementsToHide = '' )
{
if ( !elementsToHide ) return;
let elements = elementsToHide.replace( ' ', '' ).split( ',' );
elements.forEach( element =>
{
document.querySelector( element ).style.display = 'none';
});
}
/**
* Show all given elements (by ID)
*
* @param {string} elementsToShow - Element ID's separated by comma
* @returns {void}
*/
function show( elementsToShow )
{
if ( !elementsToShow ) return;
let elements = elementsToShow.replace( ' ', '' ).split( ',' );
elements.forEach( element =>
{
document.querySelector( element ).style.display = 'block';
});
}
setupObsData();
});
</script>
</body>
</html>