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/**
* Interim login dialog.
*
* @output wp-includes/js/wp-auth-check.js
*/
/* global adminpage */
(function($){
var wrap, next;
/**
* Shows the authentication form popup.
*
* @since 3.6.0
* @private
*/
function show() {
var parent = $('#wp-auth-check'),
form = $('#wp-auth-check-form'),
noframe = wrap.find('.wp-auth-fallback-expired'),
frame, loaded = false;
if ( form.length ) {
// Add unload confirmation to counter (frame-busting) JS redirects.
$(window).on( 'beforeunload.wp-auth-check', function(e) {
e.originalEvent.returnValue = window.authcheckL10n.beforeunload;
});
frame = $('<iframe id="wp-auth-check-frame" frameborder="0">').attr( 'title', noframe.text() );
frame.on( 'load', function() {
var height, body;
loaded = true;
// Remove the spinner to avoid unnecessary CPU/GPU usage.
form.removeClass( 'loading' );
try {
body = $(this).contents().find('body');
height = body.height();
} catch(e) {
wrap.addClass('fallback');
parent.css( 'max-height', '' );
form.remove();
noframe.focus();
return;
}
if ( height ) {
if ( body && body.hasClass('interim-login-success') )
hide();
else
parent.css( 'max-height', height + 40 + 'px' );
} else if ( ! body || ! body.length ) {
// Catch "silent" iframe origin exceptions in WebKit after another page is
// loaded in the iframe.
wrap.addClass('fallback');
parent.css( 'max-height', '' );
form.remove();
noframe.focus();
}
}).attr( 'src', form.data('src') );
form.append( frame );
}
$( 'body' ).addClass( 'modal-open' );
wrap.removeClass('hidden');
if ( frame ) {
frame.focus();
// WebKit doesn't throw an error if the iframe fails to load because of
// "X-Frame-Options: DENY" header.
// Wait for 10 sec. and switch to the fallback text.
setTimeout( function() {
if ( ! loaded ) {
wrap.addClass('fallback');
form.remove();
noframe.focus();
}
}, 10000 );
} else {
noframe.focus();
}
}
/**
* Hides the authentication form popup.
*
* @since 3.6.0
* @private
*/
function hide() {
$(window).off( 'beforeunload.wp-auth-check' );
// When on the Edit Post screen, speed up heartbeat after the user logs in to
// quickly refresh nonces.
if ( typeof adminpage !== 'undefined' && ( adminpage === 'post-php' || adminpage === 'post-new-php' ) &&
typeof wp !== 'undefined' && wp.heartbeat ) {
$(document).off( 'heartbeat-tick.wp-auth-check' );
wp.heartbeat.connectNow();
}
wrap.fadeOut( 200, function() {
wrap.addClass('hidden').css('display', '');
$('#wp-auth-check-frame').remove();
$( 'body' ).removeClass( 'modal-open' );
});
}
/**
* Schedules when the next time the authentication check will be done.
*
* @since 3.6.0
* @private
*/
function schedule() {
// In seconds, default 3 min.
var interval = parseInt( window.authcheckL10n.interval, 10 ) || 180;
next = ( new Date() ).getTime() + ( interval * 1000 );
}
/**
* Binds to the Heartbeat Tick event.
*
* - Shows the authentication form popup if user is not logged in.
* - Hides the authentication form popup if it is already visible and user is
* logged in.
*
* @ignore
*
* @since 3.6.0
*
* @param {Object} e The heartbeat-tick event that has been triggered.
* @param {Object} data Response data.
*/
$( document ).on( 'heartbeat-tick.wp-auth-check', function( e, data ) {
if ( 'wp-auth-check' in data ) {
schedule();
if ( ! data['wp-auth-check'] && wrap.hasClass('hidden') ) {
show();
} else if ( data['wp-auth-check'] && ! wrap.hasClass('hidden') ) {
hide();
}
}
/**
* Binds to the Heartbeat Send event.
*
* @ignore
*
* @since 3.6.0
*
* @param {Object} e The heartbeat-send event that has been triggered.
* @param {Object} data Response data.
*/
}).on( 'heartbeat-send.wp-auth-check', function( e, data ) {
if ( ( new Date() ).getTime() > next ) {
data['wp-auth-check'] = true;
}
}).ready( function() {
schedule();
/**
* Hides the authentication form popup when the close icon is clicked.
*
* @ignore
*
* @since 3.6.0
*/
wrap = $('#wp-auth-check-wrap');
wrap.find('.wp-auth-check-close').on( 'click', function() {
hide();
});
});
}(jQuery));
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