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HTML 

              
                <div class="container">
	<div class="row">
		<div class="col-lg-6">
			<h1>Open Graph Video Tag Tester</h1>
			<h5>simulate og:videos in Apple Messages</h5>
			<div class="input-group">	<span class="input-group-btn">
					<button class="btn btn-secondary" type="button">Go!</button>
				</span>
				<input type="text" class="form-control" id="url" placeholder="Enter your url here:">
			</div>
			<div class="alert alert-danger" role="alert" id="badurl">	<strong>Please type the whole url </strong> please use http:// or https://</div>
			<div class="alert alert-danger" role="alert" id="jsonurl">	<strong>Failed getting  </strong> There seems to be a problem with the URL</div>

			<ul class="list-group">
				<li class="list-group-item"><strong>OG:url</strong>: <span id="ogURL"></span></li>
				<li class="list-group-item"><strong>OG:title</strong>: <span id="ogTitle"></span></li>
				<li class="list-group-item"><strong>og:site_name</strong>: <span id="ogSiteName"></span></li>
				<li class="list-group-item"><strong>og:image</strong>: <span id="ogImage"></span></li>
				<li class="list-group-item"><strong>og:description</strong>: <span id="ogDescription"></span></li>
				<li class="list-group-item"><strong>og:video</strong>: <span id="ogVideo"></span></li>
				<li class="list-group-item"><strong>og:video:type</strong>: <span id="ogVideoType"></span></li>
				<li class="list-group-item"><strong>og:video:width</strong>: <span id="ogVideoWidth"></span></li>
				<li class="list-group-item"><strong>og:video:height</strong>: <span id="ogVideoHeight"></span></li>
			</ul>
						<br><p><small><em>What is this?</em>: og tags are metadata tags for websites for other services (facebook, messages, slack) to scrape to provide more engaging previews. iOS and macOS messages unlike facebook/slack can display videos instead of images. Previously, there's been no utility to preview iOS messages so I made this. See <a href="https://developers.facebook.com/docs/opengraph/getting-started">opengraph getting started</a> for more details.</small></p>
		</div>
		<div class="col-lg-6">
			<section>
				<div class="from-me ">
					<p>Check out this rich media preview...</p>
				</div>
				<div class="clear"></div>
				<div class="from-them">
					<p>Let's see it!</p>
				</div>
				<div class="clear"></div>
				<div id="target"></div>
				<div class="clear"></div>
				<div class="from-them" id="congrats">
					<p>Hey, that's pretty cool!</p>
				</div>
				<div class="from-them" id="condolence">
					<p>Looks like you don't have a og:video tag :(</p>
				</div>
				<div class="clear"></div>
			</section>
		</div>
		<div class="row">
			<div class="col-lg-12">	<small>Uses <a href="https://allorigins.me" target="_blank">allorigins</a> + and thanks to <a href="https://codepen.io/samuelkraft/pen/Farhl" target="_blank">samuelkraft</a> for creating styles. <br> Try http://www.greggant.com see this script work.</small>
			</div>
		</div>
	</div>
</div>
<div class="hide"></div>

<!-- Handlebars -->
<script id="template" type="text/x-handlebars-template">
	<div class="video">
				<video width="100%" autoplay loop muted="" playsinline="">
			  <source src="{{videoURL}}" type="video/mp4" >
		</video>
					<p>{{description}}</p>
			<p class="url">{{domain}}</p>
	</div>
</script>
!

CSS 

              
                
.container, .row {
	padding-top: 10px;
}
.hide {
	visibility: hidden !important;
}
.alert {
	display: none;
}
strong {
	display: inline-block;
	min-width: 131px;
}
span {
	font-family: Consolas, "Andale Mono WT", "Andale Mono", "Lucida Console", "Lucida Sans Typewriter", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Liberation Mono", "Nimbus Mono L", Monaco, "Courier New", Courier, monospace;
}
.input-group {
	margin-bottom: 10px;
}

section {
	max-width: 450px;
	margin: 50px auto;
	font-family: "Helvetica Neue";
	font-size: 16px;
	font-weight: normal;
		p {
		margin-bottom: 0px;
	}
	div {
		max-width: 255px;
		word-wrap: break-word;
		margin-bottom: 12px;
    line-height: 18px;
    &:after {
      content: "";
      display: table;
      clear: both;
    }
	}
}
#congrats, #condolence {
	display: none;
}
#target {
float: right;
	display: none;
	.video {
		transition: opacity 0.5s; 
	}
}

$radius: 10px ;

//messages styling
@mixin message($color, $position, $opposite, $fontcolor) {
		position:relative;
		padding:10px 20px;
		background: $color;
		border-radius: $radius;
		color: $fontcolor;
		float: $opposite;
		&:before {
			content:"";
			position:absolute;
			z-index:-1;
			bottom:-2px;
			#{$opposite}:-7px;
			height:20px;
			border-#{$opposite}:20px solid $color;
			border-bottom-#{$position}-radius: 16px 14px;
			-webkit-transform:translate(0, -2px);
		}
		&:after {
			content:"";
			position:absolute;
			z-index:1;
			bottom:-2px;
			right:-56px;
			width:26px;
			height:20px;
			background:white;
			border-bottom-#{$position}-radius: 10px;
			-webkit-transform:translate(-30px, -2px);
		}		
}
.from-me {
	@include message( #0B93F6, left, right, white);
}
.from-them {
	@include message( #E5E5EA, right, left, black);
	//overwrites
	&:after {
		left: 4px;
	}
}
.video {
	@include message( #E5E5EA, left, right, black);
	//overwrites
	font-size: 12.5px;
	padding:0px;
	video {
		border-radius: 10px 10px 0px 0px;
	}
	p {
		padding-left: 15px;
		padding-right: 15px;
		padding-botom: 0;
		margin-bottom: 0;
	}
	p.url {
		font-size: 11.5px;
		color:rgba(157, 157, 159, 1.000);
		margin-bottom: 10px;
		font-weight: 400;
	}
}
.clear {clear: both}
!

JS 

              
                var thisURL;
//ui interactions
$( "button" ).click(function() {
	urlAction();
});
$('#url').keyup(function(e){
    if(e.keyCode == 13){
       urlAction();
    }
});

//err catch URL
function urlAction() {
		thisURL = $('#url').val();
	if ( thisURL.indexOf('http://') !== -1 || thisURL.indexOf('https://') !== -1 ) {
		thisURL = thisURL.replace("https", "http");
		$(".alert").hide();
		getURL();
	} else {
		$("#badurl").show();
	}
}
//mustache
function templater (theVideoURL, theDescription, theDomain) {
  var theData = { videoURL: theVideoURL, description: theDescription, domain: theDomain };
  var theTemplateScript = $("#template").html();
	var theTemplate = Handlebars.compile (theTemplateScript);
	$("#target").html(theTemplate (theData));
}
function writeData (property, target){
	if (property ) {
		$(target).text(property);
	} else {
		$(target).text("error / does not exist");
	}
}
//opengraph data + meta data
var ogMetaData = {
	"#ogURL": 'meta[property="og:url"]',
	'#ogTitle': 'meta[property="og:title"]',
	'#ogSiteName': 'meta[property="og:site_name"]',
	'#ogImage' : 'meta[property="og:image"]',
	'#ogDescription':'meta[property="og:description"]',
	'#ogVideo' : 'meta[property="og:video"]',
	'#ogVideoType' : 'meta[property="og:video:type"]',
	'#ogVideoWidth' : 'meta[property="og:video:width"]' ,
	'#ogVideoHeight' : 'meta[property="og:video:height"]'
}
function getURL() {
		$.getJSON('https://allorigins.me/get?url=' + encodeURIComponent( thisURL) + '&callback=?', function(data){
    	$('.hide').html(data.contents);			
			Object.keys(ogMetaData).forEach(function(key) {
				writeData( $( ogMetaData[key] ).attr("content"),  key); //
			});
			$('.hide [rel=stylesheet]').remove();
			var doesExist = $('meta[property="og:video"]').attr("content");
			if (doesExist ) {
				templater( 
					$('meta[property="og:video"]').attr("content"), 
					$('meta[property="og:description"]').attr("content"), 
					$('meta[property="og:url"]').attr("content")
				)
				$("#condolence").hide();
				$("#target").fadeIn();
				 setTimeout(function(){$("#congrats").fadeIn(); },	2000);
			} else {
				$("#congrats").hide();
				$("#target").hide();
				setTimeout(function(){$("#condolence").fadeIn(); },  1000);
			}
	}).fail(function(d) {
    $("#jsonurl").show(); 
  })
}
!
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