167 lines
4.2 KiB
JavaScript
167 lines
4.2 KiB
JavaScript
( function( window, document, href, pt_url ) {
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var encURI = window.encodeURIComponent,
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form = document.createElement( 'form' ),
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head = document.getElementsByTagName( 'head' )[0],
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target = '_press_this_app',
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canPost = true,
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windowWidth, windowHeight, selection,
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metas, links, content, images, iframes, img;
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if ( ! pt_url ) {
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return;
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}
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if ( href.match( /^https?:/ ) ) {
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pt_url += '&u=' + encURI( href );
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if ( href.match( /^https:/ ) && pt_url.match( /^http:/ ) ) {
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canPost = false;
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}
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} else {
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top.location.href = pt_url;
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return;
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}
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if ( window.getSelection ) {
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selection = window.getSelection() + '';
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} else if ( document.getSelection ) {
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selection = document.getSelection() + '';
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} else if ( document.selection ) {
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selection = document.selection.createRange().text || '';
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}
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pt_url += '&buster=' + ( new Date().getTime() );
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if ( ! canPost ) {
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if ( document.title ) {
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pt_url += '&t=' + encURI( document.title.substr( 0, 256 ) );
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}
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if ( selection ) {
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pt_url += '&s=' + encURI( selection.substr( 0, 512 ) );
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}
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}
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windowWidth = window.outerWidth || document.documentElement.clientWidth || 600;
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windowHeight = window.outerHeight || document.documentElement.clientHeight || 700;
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windowWidth = ( windowWidth < 800 || windowWidth > 5000 ) ? 600 : ( windowWidth * 0.7 );
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windowHeight = ( windowHeight < 800 || windowHeight > 3000 ) ? 700 : ( windowHeight * 0.9 );
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if ( ! canPost ) {
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window.open( pt_url, target, 'location,resizable,scrollbars,width=' + windowWidth + ',height=' + windowHeight );
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return;
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}
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function add( name, value ) {
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if ( typeof value === 'undefined' ) {
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return;
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}
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var input = document.createElement( 'input' );
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input.name = name;
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input.value = value;
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input.type = 'hidden';
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form.appendChild( input );
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}
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if ( href.match( /\/\/(www|m)\.youtube\.com\/watch/ ) ||
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href.match( /\/\/vimeo\.com\/(.+\/)?([\d]+)$/ ) ||
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href.match( /\/\/(www\.)?dailymotion\.com\/video\/.+$/ ) ||
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href.match( /\/\/soundcloud\.com\/.+$/ ) ||
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href.match( /\/\/twitter\.com\/[^\/]+\/status\/[\d]+$/ ) ||
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href.match( /\/\/vine\.co\/v\/[^\/]+/ ) ) {
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add( '_embeds[]', href );
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}
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metas = head.getElementsByTagName( 'meta' ) || [];
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for ( var m = 0; m < metas.length; m++ ) {
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if ( m > 200 ) {
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break;
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}
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var q = metas[ m ],
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q_name = q.getAttribute( 'name' ),
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q_prop = q.getAttribute( 'property' ),
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q_cont = q.getAttribute( 'content' );
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if ( q_cont ) {
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if ( q_name ) {
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add( '_meta[' + q_name + ']', q_cont );
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} else if ( q_prop ) {
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add( '_meta[' + q_prop + ']', q_cont );
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}
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}
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}
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links = head.getElementsByTagName( 'link' ) || [];
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for ( var y = 0; y < links.length; y++ ) {
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if ( y >= 50 ) {
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break;
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}
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var g = links[ y ],
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g_rel = g.getAttribute( 'rel' );
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if ( g_rel === 'canonical' || g_rel === 'icon' || g_rel === 'shortlink' ) {
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add( '_links[' + g_rel + ']', g.getAttribute( 'href' ) );
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}
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}
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if ( document.body.getElementsByClassName ) {
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content = document.body.getElementsByClassName( 'hfeed' )[0];
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}
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content = document.getElementById( 'content' ) || content || document.body;
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images = content.getElementsByTagName( 'img' ) || [];
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for ( var n = 0; n < images.length; n++ ) {
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if ( n >= 100 ) {
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break;
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}
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img = images[ n ];
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// If we know the image width and/or height, check them now and drop the "uninteresting" images.
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if ( img.src.indexOf( 'avatar' ) > -1 || img.className.indexOf( 'avatar' ) > -1 ||
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( img.width && img.width < 256 ) || ( img.height && img.height < 128 ) ) {
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continue;
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}
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add( '_images[]', img.src );
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}
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iframes = document.body.getElementsByTagName( 'iframe' ) || [];
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for ( var p = 0; p < iframes.length; p++ ) {
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if ( p >= 50 ) {
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break;
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}
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add( '_embeds[]', iframes[ p ].src );
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}
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if ( document.title ) {
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add( 't', document.title );
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}
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if ( selection ) {
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add( 's', selection );
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}
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form.setAttribute( 'method', 'POST' );
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form.setAttribute( 'action', pt_url );
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form.setAttribute( 'target', target );
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form.setAttribute( 'style', 'display: none;' );
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window.open( 'about:blank', target, 'location,resizable,scrollbars,width=' + windowWidth + ',height=' + windowHeight );
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document.body.appendChild( form );
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form.submit();
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} )( window, document, top.location.href, window.pt_url );
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