var updraft_restore_screen = true;

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jQuery(function($) {

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var job_id = $('#updraftplus_ajax_restore_job_id').val();

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var action = $('#updraftplus_ajax_restore_action').val();

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var updraft_restore_update_timer;

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var last_received = 0;

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var $output = $('#updraftplus_ajax_restore_output');

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var $steps_list = $('.updraft_restore_components_list');

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var previous_stage;

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var current_stage;

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var logged_out = false;

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var auto_resume_count = 0;

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var server_500_count = 0;

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$('#updraft-restore-hidethis').remove();

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updraft_restore_command(job_id, action);

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/**

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* This function will start the restore over ajax for the passed in job_id.

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*

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* @param {string} job_id - the restore job id

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* @param {string} action - the restore action

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*/

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function updraft_restore_command(job_id, action) {

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var xhttp = new XMLHttpRequest();

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var xhttp_data = 'action=' + action + '&updraftplus_ajax_restore=do_ajax_restore&job_id=' + job_id;

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var previous_data_length = 0;

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var show_alert = true;

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var debug = $('#updraftplus_ajax_restore_debug').length;

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xhttp.open("POST", ajaxurl, true);

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xhttp.onprogress = function(response) {

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if (response.currentTarget.status >= 200 && response.currentTarget.status < 300) {

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if (-1 !== response.currentTarget.responseText.indexOf('<html')) {

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if (show_alert) {

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show_alert = false;

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alert("UpdraftPlus " + updraftlion.ajax_restore_error + ' ' + updraftlion.ajax_restore_invalid_response);

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}

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$output.append("UpdraftPlus " + updraftlion.ajax_restore_error + ' ' + updraftlion.ajax_restore_invalid_response);

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console.log("UpdraftPlus restore error: HTML detected in response could be a copy of the WordPress front page caused by mod_security");

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console.log(response.currentTarget.responseText);

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return;

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}

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if (previous_data_length == response.currentTarget.responseText.length) return;

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last_received = Math.round(Date.now() / 1000);

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var responseText = response.currentTarget.responseText.substr(previous_data_length);

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previous_data_length = response.currentTarget.responseText.length;

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var i = 0;

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var end_of_json = 0;

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// Check if there is restore information json in the response if so process it and remove it from the response so that it does not make it to page

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while (i < responseText.length) {

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var buffer = responseText.substr(i, 7);

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if ('RINFO:{' == buffer) {

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// Output what precedes the RINFO:

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$output

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.append(responseText.substring(end_of_json, i).trim()) // add the text to the activity log

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.scrollTop($output[0].scrollHeight); // Scroll to the bottom of the box

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// Grab what follows RINFO:

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var analyse_it = ud_parse_json(responseText.substr(i), true);

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if (1 == debug) { console.log(analyse_it); }

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updraft_restore_process_data(analyse_it.parsed);

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// move the for loop counter to the end of the json

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end_of_json = i + analyse_it.json_last_pos - analyse_it.json_start_pos + 6;

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// When the for loop goes round again, it will start with the end of the JSON

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i = end_of_json;

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} else {

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i++;

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}

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}

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$output.append(responseText.substr(end_of_json).trim()).scrollTop($output[0].scrollHeight);

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// check if the fylesystem form is displayed

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if ($output.find('input[name=connection_type]').length && $output.find('#upgrade').length) {

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updraft_restore_setup_filesystem_form();

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}

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} else {

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if (0 == response.currentTarget.status) {

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$output.append("UpdraftPlus " + updraftlion.ajax_restore_error + ' ' + updraftlion.ajax_restore_contact_failed);

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} else {

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$output.append("UpdraftPlus " + updraftlion.ajax_restore_error + ' ' + response.currentTarget.status + ' ' + response.currentTarget.statusText);

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}

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console.log("UpdraftPlus restore error: " + response.currentTarget.status + ' ' + response.currentTarget.statusText);

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console.log(response.currentTarget);

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}

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}

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xhttp.onload = function() {

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var $result = $output.find('.updraft_restore_successful, .updraft_restore_error');

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// if we don't find the result, exit

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if (!$result.length) return;

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var $result_output = $('.updraft_restore_result');

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$result_output.slideDown();

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$steps_list.slideUp();

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$steps_list.siblings('h2').slideUp();

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if ($result.is('.updraft_restore_successful')) {

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$result_output.find('.dashicons').addClass('dashicons-yes');

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$result_output.find('.updraft_restore_result--text').text($result.text());

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$result_output.addClass('restore-success');

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} else if ($result.is('.updraft_restore_error')) {

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$result_output.find('.dashicons').addClass('dashicons-no-alt');

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$result_output.find('.updraft_restore_result--text').text($result.text());

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$result_output.addClass('restore-error');

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}

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// scroll log to the bottom

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setTimeout(function() {

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$output.scrollTop($output[0].scrollHeight);

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}, 500);

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}

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xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

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xhttp.send(xhttp_data);

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}

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/**

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* This function will process the parsed restore data and make updates to the front end

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*

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* @param {object} restore_data - the restore data object contains information on the restore progress to update the front end

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*/

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function updraft_restore_process_data(restore_data) {

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// If the stage is started then we want to start our restore timer as the restore has now actually began

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if ('started' == restore_data.stage) {

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updraft_restore_update_timer = setInterval(function () {

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updraft_restore_update();

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}, 5000);

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}

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// If the stage is finished then we want to remove our timer and clean up the UI

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if ('finished' == restore_data.stage && updraft_restore_update_timer) {

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clearInterval(updraft_restore_update_timer);

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$('#updraftplus_ajax_restore_last_activity').html('');

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}

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if (restore_data) {

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if ('state' == restore_data.type || 'state_change' == restore_data.type) {

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console.log(restore_data.stage, restore_data.data);

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if ('files' == restore_data.stage) {

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current_stage = restore_data.data.entity;

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} else {

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current_stage = restore_data.stage;

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}

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var $current = $steps_list.find('[data-component='+current_stage+']');

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// show simplified activity log next to the component's label

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if ('files' == restore_data.stage) {

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$current.find('.updraft_component--progress').html(' — '+updraftlion.restore_files_progress.replace('%s1', '<strong>'+(restore_data.data.fileindex)+'</strong>').replace('%s2', '<strong>'+restore_data.data.total_files+'</strong>'));

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}

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if ('db' == restore_data.stage) {

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if (restore_data.data.hasOwnProperty('stage')) {

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if ('table' == restore_data.data.stage) {

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$current.find('.updraft_component--progress').html(' — '+updraftlion.restore_db_table_progress.replace('%s', '<strong>'+(restore_data.data.table)+'</strong>'));

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} else if ('stored_routine' == restore_data.data.stage) {

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$current.find('.updraft_component--progress').html(' — '+updraftlion.restore_db_stored_routine_progress.replace('%s', '<strong>'+(restore_data.data.routine_name)+'</strong>'));

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} else if ('finished' == restore_data.data.stage) {

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$current.find('.updraft_component--progress').html(' — '+updraftlion.finished);

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} else if ('begun' == restore_data.data.stage) {

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$current.find('.updraft_component--progress').html(' — '+updraftlion.begun+'...');

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}

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}

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}

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if (previous_stage !== current_stage) {

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if (previous_stage) {

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var $prev = $steps_list.find('[data-component='+previous_stage+']');

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// empty the line's status

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$prev.find('.updraft_component--progress').html('');

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$prev.removeClass('active').addClass('done');

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}

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if ('finished' == current_stage) {

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$current.addClass('done');

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$steps_list.find('[data-component]').each(function(index, el) {

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$el = $(el);

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if (!$el.is('.done')) {

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$el.addClass('error');

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}

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});

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if (restore_data.data.hasOwnProperty('actions') && 'object' == typeof restore_data.data.actions) {

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var pages_found = updraft_restore_get_pages(restore_data.data.urls);

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if (!$.isEmptyObject(pages_found)) {

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$('.updraft_restore_result').before(updraftlion.ajax_restore_404_detected);

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$.each(pages_found, function(index, url) {

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$('.updraft_missing_pages').append('<li>'+url+'</li>');

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});

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}

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$.each(restore_data.data.actions, function(index, item) {

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$steps_list.after('<a href="'+item+'" class="button button-primary">'+index+'</a>');

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});

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}

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} else {

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$current.addClass('active');

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}

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}

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previous_stage = current_stage;

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}

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}

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}

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/**

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* This function will update the time in the front end that we last recived data, after 120 seconds call the resume restore notice

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*/

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function updraft_restore_update() {

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var current_time = Math.round(Date.now() / 1000);

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var last_activity = current_time - last_received;

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if (60 > last_activity) {

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$('#updraftplus_ajax_restore_last_activity').html(updraftlion.last_activity.replace('%d', last_activity));

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} else {

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var resume_in = 120 - last_activity;

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if (0 < resume_in) {

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$('#updraftplus_ajax_restore_last_activity').html(updraftlion.no_recent_activity.replace('%d', resume_in));

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} else {

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$('#updraftplus_ajax_restore_last_activity').html('');

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updraft_restore_resume_notice();

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}

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}

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}

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/**

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* This will move the filesystem form to take all the required space

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*/

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function updraft_restore_setup_filesystem_form() {

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// Hiding things is handled via CSS

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$('.updraft_restore_main').addClass('show-credentials-form');

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if ($('#message').length) {

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$('.restore-credential-errors .restore-credential-errors--list').appendTo($('#message'));

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$('.restore-credential-errors .restore-credential-errors--link').appendTo($('#message'));

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}

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}

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/**

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* This function will make a call to the backend to get the resume restore notice so the user can resume the timed out restore from the same page

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*/

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function updraft_restore_resume_notice() {

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updraft_send_command('get_restore_resume_notice', { job_id: job_id }, function(response) {

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if (response.hasOwnProperty('status') && 'success' == response.status && response.hasOwnProperty('html')) {

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if (updraft_restore_update_timer) clearInterval(updraft_restore_update_timer);

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if ('plugins' != current_stage && 'db' != current_stage && 5 > auto_resume_count) {

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auto_resume_count++;

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updraft_restore_command(job_id, 'updraft_ajaxrestore_continue');

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} else {

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$('.updraft_restore_main--components').prepend(response.html);

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}

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} else if (response.hasOwnProperty('error_code') && response.hasOwnProperty('error_message')) {

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if (updraft_restore_update_timer) clearInterval(updraft_restore_update_timer);

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alert(response.error_code + ': ' + response.error_message);

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console.log(response.error_code + ': ' + response.error_message);

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}

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}, {

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error_callback: function (response, status, error_code, resp) {

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if (500 == response.status && 3 > server_500_count) {

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server_500_count++;

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updraft_restore_command(job_id, 'updraft_ajaxrestore_continue');

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} else {

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updraft_restore_process_data({stage: 'finished', type: 'state_change'})

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var error_message = "updraft_send_command: error: " + status + " (" + error_code + ")";

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alert(error_message);

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console.log(error_message);

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console.log(response);

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}

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}

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});

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}

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/**

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* This function will make a call to the passed in urls and check if the response code is a 404 if it is then add it to the array of urls that are not found and return it

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*

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* @param {array} urls - the urls we want to test

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*

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* @return {array} an array of urls not found

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*/

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function updraft_restore_get_pages(urls) {

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var urls_not_found = [];

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$.each(urls, function(index, url) {

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var xhttp = new XMLHttpRequest();

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xhttp.open('GET', url, false);

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xhttp.send(null);

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if (xhttp.status == 404) urls_not_found.push(url);

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});

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return urls_not_found;

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}

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$('#updraftplus_ajax_restore_progress').on('click', '#updraft_restore_resume', function(e) {

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e.preventDefault();

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$("#updraftplus_ajax_restore_progress").slideUp(1000, function () {

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$(this).remove();

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});

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updraft_restore_command(job_id, 'updraft_ajaxrestore_continue');

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});

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$(document).on('heartbeat-tick', function (event, heartbeat_data) {

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if (!heartbeat_data.hasOwnProperty('wp-auth-check')) return;

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// check if we are logged out

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if (!heartbeat_data["wp-auth-check"]) {

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logged_out = true;

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return;

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}

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// if we were previously logged out but are now logged in retry the restore

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if (logged_out && heartbeat_data["wp-auth-check"]) {

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last_received = Math.round(Date.now() / 1000);

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logged_out = false;

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}

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if (!heartbeat_data.hasOwnProperty('updraftplus')) return;

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var updraftplus_data = heartbeat_data.updraftplus;

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// if we are logged in, check if theres a new nonce

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if (updraftplus_data.hasOwnProperty('updraft_credentialtest_nonce')) {

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updraft_credentialtest_nonce = updraftplus_data.updraft_credentialtest_nonce;

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last_received = Math.round(Date.now() / 1000);

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}

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});

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});

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