118 lines
3.2 KiB
JavaScript
118 lines
3.2 KiB
JavaScript
/* global adminpage */
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// Interim login dialog
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(function($){
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var wrap, next;
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function show() {
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var parent = $('#wp-auth-check'),
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form = $('#wp-auth-check-form'),
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noframe = wrap.find('.wp-auth-fallback-expired'),
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frame, loaded = false;
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if ( form.length ) {
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// Add unload confirmation to counter (frame-busting) JS redirects
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$(window).on( 'beforeunload.wp-auth-check', function(e) {
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e.originalEvent.returnValue = window.authcheckL10n.beforeunload;
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});
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frame = $('<iframe id="wp-auth-check-frame" frameborder="0">').attr( 'title', noframe.text() );
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frame.load( function() {
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var height, body;
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loaded = true;
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// Remove the spinner to avoid unnecessary CPU/GPU usage.
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form.removeClass( 'loading' );
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try {
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body = $(this).contents().find('body');
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height = body.height();
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} catch(e) {
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wrap.addClass('fallback');
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parent.css( 'max-height', '' );
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form.remove();
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noframe.focus();
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return;
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}
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if ( height ) {
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if ( body && body.hasClass('interim-login-success') )
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hide();
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else
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parent.css( 'max-height', height + 40 + 'px' );
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} else if ( ! body || ! body.length ) {
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// Catch "silent" iframe origin exceptions in WebKit after another page is loaded in the iframe
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wrap.addClass('fallback');
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parent.css( 'max-height', '' );
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form.remove();
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noframe.focus();
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}
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}).attr( 'src', form.data('src') );
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form.append( frame );
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}
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$( 'body' ).addClass( 'modal-open' );
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wrap.removeClass('hidden');
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if ( frame ) {
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frame.focus();
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// WebKit doesn't throw an error if the iframe fails to load because of "X-Frame-Options: DENY" header.
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// Wait for 10 sec. and switch to the fallback text.
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setTimeout( function() {
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if ( ! loaded ) {
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wrap.addClass('fallback');
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form.remove();
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noframe.focus();
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}
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}, 10000 );
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} else {
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noframe.focus();
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}
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}
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function hide() {
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$(window).off( 'beforeunload.wp-auth-check' );
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// When on the Edit Post screen, speed up heartbeat after the user logs in to quickly refresh nonces
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if ( typeof adminpage !== 'undefined' && ( adminpage === 'post-php' || adminpage === 'post-new-php' ) &&
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typeof wp !== 'undefined' && wp.heartbeat ) {
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$(document).off( 'heartbeat-tick.wp-auth-check' );
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wp.heartbeat.connectNow();
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}
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wrap.fadeOut( 200, function() {
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wrap.addClass('hidden').css('display', '');
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$('#wp-auth-check-frame').remove();
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$( 'body' ).removeClass( 'modal-open' );
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});
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}
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function schedule() {
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var interval = parseInt( window.authcheckL10n.interval, 10 ) || 180; // in seconds, default 3 min.
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next = ( new Date() ).getTime() + ( interval * 1000 );
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}
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$( document ).on( 'heartbeat-tick.wp-auth-check', function( e, data ) {
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if ( 'wp-auth-check' in data ) {
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schedule();
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if ( ! data['wp-auth-check'] && wrap.hasClass('hidden') ) {
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show();
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} else if ( data['wp-auth-check'] && ! wrap.hasClass('hidden') ) {
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hide();
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}
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}
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}).on( 'heartbeat-send.wp-auth-check', function( e, data ) {
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if ( ( new Date() ).getTime() > next ) {
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data['wp-auth-check'] = true;
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}
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}).ready( function() {
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schedule();
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wrap = $('#wp-auth-check-wrap');
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wrap.find('.wp-auth-check-close').on( 'click', function() {
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hide();
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});
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});
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}(jQuery));
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