File: /home/assotraipi/www/wp-content/plugins/download-monitor/assets/js/dlm-xhr.js
jQuery(function ($) {
// Let's initiate the XHR.
new DLM_XHR_Download();
});
class DLM_XHR_Download {
responsHeaders = {};
constructor() {
// dlmXHRinstance defined in inline script
dlmXHRinstance = this;
this.init();
}
init() {
dlmXHRinstance.attachButtonEvent();
}
// Function to attach events for the download buttons
attachButtonEvent() {
// Stop propagation on child elements
jQuery('html,body').on( 'click', '.dlm-no-access-modal-window > div', function (e){
e.stopPropagation();
} );
// Close modal on these clicks
jQuery('html, body').on('click', '.dlm-no-access-modal-overlay, .dlm-no-access-modal-close, .dlm-no-access-modal-window', function (e) {
e.stopPropagation();
jQuery('#dlm-no-access-modal').remove();
});
// Close modal on ESC key press
jQuery(document).on('keydown', function (e) {
if (e.key === 'Escape') {
jQuery('#dlm-no-access-modal').remove();
}
});
jQuery('html, body').on('click', 'a', function (e) {
let url = jQuery(this).attr('href');
// Let's see if we need to do XHR download on this link.
let noXHR = false;
if (jQuery(this).hasClass('dlm-no-xhr-download')) {
noXHR = true;
}
if ('undefined' !== typeof dlmNonXHRGlobalLinks && dlmNonXHRGlobalLinks.length > 0) {
if ('undefined' != typeof url) {
dlmNonXHRGlobalLinks.forEach((element) => {
if (url.indexOf(element) >= 0) {
noXHR = true;
}
});
}
}
if (noXHR) { // No XHR so return;
jQuery('#dlm-no-access-modal').remove(); // Close the modal also in case we opened it before.
return;
}
if (typeof url === 'string') {
try {
url = new URL(url, window.location.origin).href;
} catch (e) {}
}
jQuery(document).trigger('dlm-xhr-download-button-click', [url, this, dlmXHRGlobalLinks]);
if ('undefined' != typeof url && url.indexOf(dlmXHRGlobalLinks) >= 0) {
const redirect_link = jQuery(this).data('redirect'),
target = jQuery(this).attr('target');
// Check if the link has a target attribute, and if it does, we need to open it in a new window.
if ('undefined' !== typeof redirect_link && true === redirect_link && '_blank' === target) {
// If we need to redirect/open in a new tab, then we do not need to do XHR, so return.
return;
}
dlmXHRinstance.handleDownloadClick(this, e);
}
});
}
handleDownloadClick(obj, e) {
e.stopPropagation();
const href = obj.getAttribute('href');
let triggerObject = {
button : obj,
href : href,
buttonObj: jQuery(obj),
};
// Show the progress bar after complete download also
if (triggerObject.href.indexOf('blob:http') !== -1) {
/*triggerObject.buttonObj.addClass('download-100');
setTimeout(function () {
triggerObject.buttonObj.removeClass('download-100');
}, 1500);*/
return;
}
if ('#' === triggerObject.href) {
return;
}
e.preventDefault();
dlmXHRinstance.retrieveBlob(triggerObject);
}
retrieveBlob(triggerObject) {
const instance = this;
let {
button,
href,
buttonObj,
} = triggerObject;
// This will hold the file as a local object URL
let _OBJECT_URL;
const request = new XMLHttpRequest();
const $setCookie = dlmXHR.prevent_duplicates,
buttonTarget = buttonObj.attr('target');
let buttonClass = buttonObj.attr('class');
buttonClass = ('undefined' !== typeof buttonClass && '' !== buttonClass) ? buttonClass.replace('dlm-download-started', '').replace('dlm-download-completed', '') : '';
buttonObj.addClass('dlm-download-started');
button.setAttribute('href', '#');
button.removeAttribute('download');
button.setAttribute('disabled', 'disabled');
if (dlmXHRProgress) {
const loading_gif = '<img src="' + dlmXHRgif + '" class="dlm-xhr-loading-gif" style="display:inline-block; vertical-align: middle; margin-left:15px;">';
button.innerHTML += loading_gif;
}
// Trigger the `dlm_download_triggered` action
jQuery(document).trigger('dlm_download_triggered', [this, button, buttonObj, _OBJECT_URL, request]);
let check_headers = false;
request.responseType = 'blob';
request.onreadystatechange = function () {
let {
status,
readyState,
statusText
} = request;
let headers = request
.getAllResponseHeaders()
.split('\r\n')
.reduce((result, current) => {
let [name, value] = current.split(': ');
result[name] = value;
return result;
}, {});
if (Object.keys(headers).length > 1) {
check_headers = true;
// Set the response headers to the instance so that we can use it later.
instance.responseHeaders = headers;
}
let file_name = 'download';
let dlmFilenameHeader = false,
dlmNoWaypoints = false,
dlmRedirectHeader = false,
dlmExternalDownloadHeader = false,
dlmNoAccessHeader = null,
dlmNoAccessModalHeader = false,
dlmErrorHeader = false,
dlmDownloadIdHeader = false,
dlmDownloadVersionHeader = false,
dlmNoAccessModalTextHeader = false;
/**
* Old headers check
*/
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-file-name']) {
dlmFilenameHeader = instance.responseHeaders['dlm-file-name'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-no-waypoints']) {
dlmNoWaypoints = true;
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-redirect']) {
dlmRedirectHeader = instance.responseHeaders['dlm-redirect'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-external-download']) {
dlmExternalDownloadHeader = true;
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-no-access']) {
dlmNoAccessHeader = instance.responseHeaders['dlm-no-access'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-no-access-modal']) {
dlmNoAccessModalHeader = instance.responseHeaders['dlm-no-access-modal'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-error']) {
dlmErrorHeader = instance.responseHeaders['dlm-error'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-download-id']) {
dlmDownloadIdHeader = instance.responseHeaders['dlm-download-id'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-version-id']) {
dlmDownloadVersionHeader = instance.responseHeaders['dlm-version-id'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['dlm-no-access-modal-text']) {
dlmNoAccessModalTextHeader = instance.responseHeaders['dlm-no-access-modal-text'];
}
// End old headers check
/**
* New headers check
*/
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-file-name']) {
dlmFilenameHeader = instance.responseHeaders['x-dlm-file-name'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-no-waypoints']) {
dlmNoWaypoints = true;
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-redirect']) {
dlmRedirectHeader = instance.responseHeaders['x-dlm-redirect'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-external-download']) {
dlmExternalDownloadHeader = true;
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-no-access']) {
dlmNoAccessHeader = instance.responseHeaders['x-dlm-no-access'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-no-access-modal']) {
dlmNoAccessModalHeader = instance.responseHeaders['x-dlm-no-access-modal'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-error']) {
dlmErrorHeader = instance.responseHeaders['x-dlm-error'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-download-id']) {
dlmDownloadIdHeader = instance.responseHeaders['x-dlm-download-id'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-version-id']) {
dlmDownloadVersionHeader = instance.responseHeaders['x-dlm-version-id'];
}
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-no-access-modal-text']) {
dlmNoAccessModalTextHeader = instance.responseHeaders['x-dlm-no-access-modal-text'];
}
// End new headers check
if (dlmFilenameHeader) {
file_name = dlmFilenameHeader.replace(/\"/g, '').replace(';', '');
file_name = decodeURI(file_name);
} else if (check_headers && 'undefined' !== typeof instance.responseHeaders['content-disposition']) {
file_name = instance.responseHeaders['content-disposition'].split(/(?:filename\*=UTF-8'')|(?:filename=)/)[1];
file_name = file_name.replace(/\"/g, '').replace(';', '');
// We use this method because we urlencoded it on the server so that characters like chinese or persian are not broken
file_name = decodeURI(file_name);
}
// Error translations
if (dlmErrorHeader) {
//var obj = { key: undefined };
if (dlmErrorHeader in dlmXHRtranslations) {
dlmErrorHeader = dlmXHRtranslations[dlmErrorHeader];
} else {
dlmErrorHeader = dlmXHRtranslations['error'];
}
}
// Let's check for DLM request headers
if (request.readyState === 2) {
// Add other checks for responseHeaders that can be taken care of from extensions.
if (check_headers && 'undefined' !== typeof instance.responseHeaders['x-dlm-force-abort'] && '' !== instance.responseHeaders['x-dlm-force-abort']) {
button.removeAttribute('download');
button.setAttribute('href', href);
buttonObj.removeClass().addClass(buttonClass).find('span.dlm-xhr-progress').remove();
buttonObj.find('.dlm-xhr-loading-gif').remove();
request.abort();
jQuery('#dlm-no-access-modal').remove();
return;
}
// If the dlm-no-waypoints header is set we need to redirect.
if (dlmNoWaypoints) {
request.abort();
if (dlmRedirectHeader) {
window.location.href = dlmRedirectHeader;
return;
}
window.location.href = href;
return;
}
// If it's an external link we need to redirect.
if (dlmExternalDownloadHeader) {
request.abort();
dlmXHRinstance.dlmExternalDownload(instance.responseHeaders, button, buttonObj, file_name, href);
return;
}
// If there are no specific DLM headers then we need to abort and redirect.
const responseDLM = Object.keys(instance.responseHeaders).filter((element) => {
return element.indexOf('dlm-') !== -1;
}).length;
if (0 === responseDLM) {
request.abort();
window.location.href = href;
return;
}
if (dlmNoAccessHeader && 'true' === dlmNoAccessHeader) {
if (dlmNoAccessModalHeader && 0 != dlmNoAccessModalHeader) {
dlmXHRinstance.dlmNoAccessModal(instance.responseHeaders);
button.removeAttribute('download');
button.setAttribute('href', href);
buttonObj.removeClass().addClass(buttonClass).find('span.dlm-xhr-progress').remove();
buttonObj.find('.dlm-xhr-loading-gif').remove();
request.abort();
return;
}
}
// If there is a dlm-error headers means we have an error. Display the error and abort.
if (dlmErrorHeader && '' !== dlmErrorHeader && null !== dlmErrorHeader) {
dlmXHRinstance.dlmLogDownload(instance.responseHeaders, 'failed', false);
button.removeAttribute('download');
button.setAttribute('href', href);
buttonObj.removeClass().addClass(buttonClass).find('span.dlm-xhr-progress').remove();
buttonObj.find('.dlm-xhr-loading-gif').remove();
request.abort();
if (dlmNoAccessModalHeader && 0 != dlmNoAccessModalHeader) {
dlmXHRinstance.dlmNoAccessModal(instance.responseHeaders);
} else {
buttonObj.find('.dlm-xhr-error').remove();
buttonObj.append('<span class="dlm-xhr-error">' + dlmErrorHeader + '</span>');
}
return;
}
// If we have a x-dlm-redirect header means this is a redirect. Let's do that.
if (dlmRedirectHeader && '' !== dlmRedirectHeader && null !== dlmRedirectHeader) {
dlmXHRinstance.dlmLogDownload(instance.responseHeaders, 'redirected', false, dlmRedirectHeader, dlmNoAccessHeader, buttonTarget);
button.removeAttribute('download');
button.setAttribute('href', href);
buttonObj.removeClass().addClass(buttonClass).find('span.dlm-xhr-progress').remove();
buttonObj.find('.dlm-xhr-loading-gif').remove();
request.abort();
return;
}
}
if (status == 404 && readyState == 2) {
let p = document.createElement('p');
p.innerHTML = statusText;
button.parentNode.appendChild(p);
}
if (status == 401 && readyState == 2) {
window.location.href = statusText;
return;
}
if (status == 403 && readyState == 2) {
let p = document.createElement('p');
p.innerHTML = statusText;
button.parentNode.appendChild(p);
}
if (status == 200 && readyState == 4) {
let blob = request.response;
_OBJECT_URL = URL.createObjectURL(blob);
// Remove event listener
button.removeEventListener('click', dlmXHRinstance.handleDownloadClick);
// Set the download attribute of the a.download-complete to the file name
button.setAttribute('download', `${file_name}`);
// Set the href of the a.download-complete to the object URL
button.setAttribute('href', _OBJECT_URL);
// Trigger click on a.download-complete
button.click();
buttonObj.removeClass().addClass(buttonClass + ' dlm-download-complete');
dlmXHRinstance.attachButtonEvent();
// Append the paragraph to the download-contaner
// Trigger the `dlm_download_complete` action
jQuery(document).trigger('dlm_download_complete', [this, button, buttonObj, _OBJECT_URL]);
dlmXHRinstance.dlmLogDownload(instance.responseHeaders, 'completed', $setCookie);
// Recommended : Revoke the object URL after some time to free up resources
window.URL.revokeObjectURL(_OBJECT_URL);
button.removeAttribute('download');
button.setAttribute('href', href);
buttonObj.find('.dlm-xhr-loading-gif').remove();
// There is no way to find out whether user finished downloading
setTimeout(function () {
buttonObj.removeClass().addClass(buttonClass).find('span.dlm-xhr-progress').remove();
}, 4000);
}
};
if (dlmXHRProgress) {
request.addEventListener('progress', function (e) {
let total = e.total;
// Set the total file size from the custom response header
if ('undefined' === typeof e.total || e.total === 'undefined' || 0 === e.total) {
if ('undefined' !== typeof instance.responseHeaders['x-dlm-filesize']) {
total = instance.responseHeaders['x-dlm-filesize'];
}
}
let percent_complete = (e.loaded / total) * 100;
// Force perfect complete to have 2 digits
percent_complete = percent_complete.toFixed();
let $class = 'dlm-download-started';
buttonObj.find('span.dlm-xhr-progress').remove();
// Comment below lines for the new XHR loader so that we know where to rever
$class = $class + ' download-' + Math.ceil(percent_complete / 10) * 10;
if (Infinity != percent_complete) {
buttonObj.append('<span class="dlm-xhr-progress"> ' + percent_complete + '%</span>');
}
// Show spinner
buttonObj.removeClass().addClass(buttonClass + ' ' + $class);
// Trigger the `dlm_download_progress` action
jQuery(document).trigger('dlm_download_progress', [this, button, buttonObj, _OBJECT_URL, e, percent_complete]);
});
}
request.onerror = function () {
button.removeAttribute('download');
button.setAttribute('href', href);
buttonObj.removeClass().addClass(buttonClass + ' dlm-no-xhr-download').find('span.dlm-xhr-progress').remove();
buttonObj.find('.dlm-xhr-error').remove();
buttonObj.append('<span class="dlm-xhr-error">' + dlmXHRtranslations.error + '</span>');
console.log('** An error occurred during the transaction');
};
request.open('GET', href, true);
request.setRequestHeader('Cache-Control', 'no-store, no-cache, no-transform, max-age=0');
request.setRequestHeader('dlm-xhr-request', 'dlm_XMLHttpRequest');
request.send();
}
dlmLogDownload(headers, status, cookie, redirect_path = null, no_access = null, target = '_self') {
const currentURL = window.location.href;
const download_id = headers['x-dlm-download-id'] ?? headers['dlm-download-id'];
const version_id = headers['x-dlm-version-id'] ?? headers['dlm-version-id'];
const ua = navigator.userAgent || '';
const isSafari = /^((?!chrome|android|crios|fxios|edgios).)*safari/i.test(ua);
const isAppleSafari = isSafari && !/CriOS|FxiOS|EdgiOS/i.test(ua);
// Early redirect — skip logging if no_access = true
if (no_access && redirect_path) {
if (isAppleSafari) {
window.location.href = redirect_path;
} else {
const tgt = target || '_self';
const downloadTab = window.open(redirect_path, tgt, 'noopener');
if (downloadTab) {
downloadTab.location.href = redirect_path;
}
}
return;
}
const params = new URLSearchParams({
action: 'log_dlm_xhr_download',
download_id,
version_id,
status,
cookie,
currentURL,
nonce: headers['x-dlm-nonce']
});
for (const [key, value] of Object.entries(headers)) {
params.append(`responseHeaders[${key}]`, value);
}
try {
navigator.sendBeacon(
dlmXHR.ajaxUrl,
new Blob([params.toString()], { type: 'application/x-www-form-urlencoded;charset=UTF-8' })
);
} catch (e) {
try { fetch(dlmXHR.ajaxUrl, { method: 'POST', body: params, keepalive: true }); } catch (_) {}
}
if (!redirect_path) return;
if (isAppleSafari) {
window.location.href(redirect_path);
return;
}
const tgt = target || '_self';
const downloadTab = window.open(redirect_path, tgt, 'noopener');
if (no_access && downloadTab) {
downloadTab.location.href = redirect_path;
}
}
dlmNoAccessModal(headers) {
const instance = this;
let download = 'empty-download',
version = 'empty-version',
restriction = 'empty-restriction',
text = '';
/**
* Old headers, will be removed in a future release. DLM Amazon S3 adds these headers.
*/
if ('undefined' !== typeof headers['dlm-download-id']) {
download = headers['dlm-download-id'];
}
if ('undefined' !== typeof headers['dlm-version-id']) {
version = headers['dlm-version-id'];
}
if ('undefined' !== typeof headers['dlm-no-access-modal-text']) {
text = headers['dlm-no-access-modal-text'];
}
if ('undefined' !== typeof headers['dlm-no-access-restriction']) {
restriction = headers['dlm-no-access-restriction'];
}
// End of old headers.
/**
* New headers.
*/
if ('undefined' !== typeof headers['x-dlm-download-id']) {
download = headers['x-dlm-download-id'];
}
if ('undefined' !== typeof headers['x-dlm-version-id']) {
version = headers['x-dlm-version-id'];
}
if ('undefined' !== typeof headers['x-dlm-no-access-modal-text']) {
text = headers['x-dlm-no-access-modal-text'];
}
if ('undefined' !== typeof headers['x-dlm-no-access-restriction']) {
restriction = headers['x-dlm-no-access-restriction'];
}
// End of new headers.
let data = {
download_id: download,
version_id : version,
modal_text : text,
restriction,
action : 'no_access_dlm_xhr_download',
nonce : headers['x-dlm-nonce']
};
jQuery(document).trigger('dlm-xhr-modal-data', [data, headers]);
document.dispatchEvent(
new CustomEvent('dlm-xhr-modal-data', {detail: {data:data, headers:headers}})
);
jQuery.post(dlmXHR.ajaxUrl, data, function (response) {
jQuery('#dlm-no-access-modal').remove();
//document.body.insertAdjacentHTML('beforeend', response);
const tempDiv = document.createElement('div');
tempDiv.innerHTML = response;
// Extract and execute scripts from the response using a regular expression
const scriptRegex = /<script\b[^>]*>([\s\S]*?)<\/script>/gm;
// Remove script tags from tempDiv.innerHTML
tempDiv.innerHTML = tempDiv.innerHTML.replace(scriptRegex, '');
let match;
while ((match = scriptRegex.exec(response)) !== null) {
const scriptTag = match[0];
const scriptContent = match[1];
const newScript = document.createElement('script');
// Check if the script has a src attribute
const srcMatch = scriptTag.match(/src=["']([^"']+)["']/);
if (srcMatch) {
newScript.src = srcMatch[1];
} else {
newScript.textContent = scriptContent;
}
// Append the new script to the modal if exists
const modal = tempDiv.querySelector('#dlm-no-access-modal');
if (modal) {
modal.appendChild(newScript);
} else {
document.body.appendChild(newScript);
}
}
// Append the parsed HTML elements to the body
while (tempDiv.firstChild) {
document.body.appendChild(tempDiv.firstChild);
}
//jQuery('body').append(response);
jQuery(document).trigger(data['action'], [response, data]);
document.dispatchEvent(
new CustomEvent(data['action'], {detail: [response, data]})
);
});
}
dlmExternalDownload(headers, button, buttonObj, file_name, href) {
const request = new XMLHttpRequest(),
buttonTarget = buttonObj.attr('target');
let buttonClass = buttonObj.attr('class'),
_OBJECT_URL,
uri = '';
if ('undefined' !== typeof headers['dlm-external-download']) {
uri = headers['dlm-external-download'];
}
if ('undefined' !== typeof headers['x-dlm-external-download']) {
uri = headers['x-dlm-external-download'];
}
buttonClass = ('undefined' !== typeof buttonClass && '' !== buttonClass) ? buttonClass.replace('dlm-download-started', '').replace('dlm-download-completed', '') : '';
buttonObj.addClass('dlm-download-started');
button.setAttribute('href', '#');
button.removeAttribute('download');
button.setAttribute('disabled', 'disabled');
// Trigger the `dlm_download_triggered` action
jQuery(document).trigger('dlm_download_triggered', [this, button, buttonObj, _OBJECT_URL, request]);
request.responseType = 'blob';
request.onreadystatechange = function () {
let {
status,
readyState,
statusText
} = request;
if (403 === status) {
dlmXHRinstance.dlmLogDownload(headers, 'failed', false);
request.abort();
buttonObj.find('.dlm-xhr-error').remove();
buttonObj.append('<span class="dlm-xhr-error">Acces Denied to file.</span>');
return;
}
if (status == 200 && readyState == 4) {
let blob = request.response;
_OBJECT_URL = URL.createObjectURL(blob);
// Remove event listener
button.removeEventListener('click', dlmXHRinstance.handleDownloadClick);
// Set the download attribute of the a.download-complete to the file name
button.setAttribute('download', `${file_name}`);
// Set the href of the a.download-complete to the object URL
button.setAttribute('href', _OBJECT_URL);
// Trigger click on a.download-complete
button.click();
buttonObj.removeClass().addClass(buttonClass + ' dlm-download-complete');
dlmXHRinstance.attachButtonEvent();
// Append the paragraph to the download-contaner
// Trigger the `dlm_download_complete` action
jQuery(document).trigger('dlm_download_complete', [this, button, buttonObj, _OBJECT_URL]);
dlmXHRinstance.dlmLogDownload(headers, 'completed', false);
// Recommended : Revoke the object URL after some time to free up resources
window.URL.revokeObjectURL(_OBJECT_URL);
button.removeAttribute('download');
button.setAttribute('href', href);
// There is no way to find out whether user finished downloading
buttonObj.find('.dlm-xhr-loading-gif').remove();
setTimeout(function () {
buttonObj.removeClass().addClass(buttonClass).find('span.dlm-xhr-progress').remove();
}, 1000);
}
};
if (dlmXHRProgress) {
request.addEventListener('progress', function (e) {
let total = e.total;
if ('undefined' === typeof e.total || e.total === 'undefined') {
total = request.getResponseHeader('X-DLM-Filesize');
}
let percent_complete = (e.loaded / total) * 100;
// Force perfect complete to have 2 digits
percent_complete = percent_complete.toFixed();
let $class = 'dlm-download-started';
buttonObj.find('span.dlm-xhr-progress').remove();
// Comment below lines for the new XHR loader so that we know where to rever
$class = $class + ' download-' + Math.ceil(percent_complete / 10) * 10;
if (Infinity != percent_complete) {
buttonObj.append('<span class="dlm-xhr-progress"> ' + percent_complete + '%</span>');
}
// Show spinner
buttonObj.removeClass().addClass(buttonClass + ' ' + $class);
// Trigger the `dlm_download_progress` action
jQuery(document).trigger('dlm_download_progress', [this, button, buttonObj, _OBJECT_URL, e, percent_complete]);
});
}
request.onerror = function () {
button.removeAttribute('download');
button.setAttribute('href', href);
buttonObj.removeClass().addClass(buttonClass + ' .dlm-no-xhr-download').find('span.dlm-xhr-progress').remove();
buttonObj.find('.dlm-xhr-error').remove();
buttonObj.append('<span class="dlm-xhr-error">' + dlmXHRtranslations.error + '</span>');
console.log('** An error occurred during the transaction');
};
request.open('GET', uri, true);
request.setRequestHeader('Cache-Control', 'no-store, no-cache, no-transform, max-age=0');
request.setRequestHeader('dlm-xhr-request', 'dlm_XMLHttpRequest');
request.send();
}
}