https://www.icpe.ro/wp-includes/js/wp-embed.js?ver=4.9.26

1/**
2 * WordPress inline HTML embed
3 *
4 * @since 4.4.0
5 *
6 * This file cannot have ampersands in it. This is to ensure
7 * it can be embedded in older versions of WordPress.
8 * See https://core.trac.wordpress.org/changeset/35708.
9 */
10(function ( window, document ) {
11	'use strict';
12
13	var supportedBrowser = false,
14		loaded = false;
15
16		if ( document.querySelector ) {
17			if ( window.addEventListener ) {
18				supportedBrowser = true;
19			}
20		}
21
22	/** @namespace wp */
23	window.wp = window.wp || {};
24
25	if ( !! window.wp.receiveEmbedMessage ) {
26		return;
27	}
28
29	window.wp.receiveEmbedMessage = function( e ) {
30		var data = e.data;
31
32		if ( ! data ) {
33			return;
34		}
35
36		if ( ! ( data.secret || data.message || data.value ) ) {
37			return;
38		}
39
40		if ( /[^a-zA-Z0-9]/.test( data.secret ) ) {
41			return;
42		}
43
44		var iframes = document.querySelectorAll( 'iframe[data-secret="' + data.secret + '"]' ),
45			blockquotes = document.querySelectorAll( 'blockquote[data-secret="' + data.secret + '"]' ),
46			allowedProtocols = new RegExp( '^https?:$', 'i' ),
47			i, source, height, sourceURL, targetURL;
48
49		for ( i = 0; i < blockquotes.length; i++ ) {
50			blockquotes[ i ].style.display = 'none';
51		}
52
53		for ( i = 0; i < iframes.length; i++ ) {
54			source = iframes[ i ];
55
56			if ( e.source !== source.contentWindow ) {
57				continue;
58			}
59
60			source.removeAttribute( 'style' );
61
62			/* Resize the iframe on request. */
63			if ( 'height' === data.message ) {
64				height = parseInt( data.value, 10 );
65				if ( height > 1000 ) {
66					height = 1000;
67				} else if ( ~~height < 200 ) {
68					height = 200;
69				}
70
71				source.height = height;
72			}
73
74			/* Link to a specific URL on request. */
75			if ( 'link' === data.message ) {
76				sourceURL = document.createElement( 'a' );
77				targetURL = document.createElement( 'a' );
78
79				sourceURL.href = source.getAttribute( 'src' );
80				targetURL.href = data.value;
81
82				/* Only follow link if the protocol is in the allow list. */
83				if ( ! allowedProtocols.test( targetURL.protocol ) ) {
84					continue;
85				}
86
87				/* Only continue if link hostname matches iframe's hostname. */
88				if ( targetURL.host === sourceURL.host ) {
89					if ( document.activeElement === source ) {
90						window.top.location.href = data.value;
91					}
92				}
93			}
94		}
95	};
96
97	function onLoad() {
98		if ( loaded ) {
99			return;
100		}
101
102		loaded = true;
103
104		var isIE10 = -1 !== navigator.appVersion.indexOf( 'MSIE 10' ),
105			isIE11 = !!navigator.userAgent.match( /Trident.*rv:11\./ ),
106			iframes = document.querySelectorAll( 'iframe.wp-embedded-content' ),
107			iframeClone, i, source, secret;
108
109		for ( i = 0; i < iframes.length; i++ ) {
110			source = iframes[ i ];
111
112			if ( ! source.getAttribute( 'data-secret' ) ) {
113				/* Add secret to iframe */
114				secret = Math.random().toString( 36 ).substr( 2, 10 );
115				source.src += '#?secret=' + secret;

116				source.setAttribute( 'data-secret', secret );
117			}
118
119			/* Remove security attribute from iframes in IE10 and IE11. */
120			if ( ( isIE10 || isIE11 ) ) {
121				iframeClone = source.cloneNode( true );
122				iframeClone.removeAttribute( 'security' );
123				source.parentNode.replaceChild( iframeClone, source );
124			}
125		}
126	}
127
128	if ( supportedBrowser ) {
129		window.addEventListener( 'message', window.wp.receiveEmbedMessage, false );
130		document.addEventListener( 'DOMContentLoaded', onLoad, false );
131		window.addEventListener( 'load', onLoad, false );
132	}
133})( window, document );