91 lines
2.6 KiB
JavaScript
91 lines
2.6 KiB
JavaScript
var createXHR = function() {
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if('all' in document && !('atob' in window) && 'XDomainRequest' in window)
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return new XDomainRequest;
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if('XMLHttpRequest' in window)
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return new XMLHttpRequest;
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if('ActiveXObject' in window)
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try {
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return new ActiveXObject('Msxml2.XMLHTTP');
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} catch(e) {
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try {
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return new ActiveXObject('Microsoft.XMLHTTP');
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} catch(e) {}
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}
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return null;
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}
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var getRemoteString = function(url, callback) {
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var xhr = createXHR();
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xhr.onload = function(ev) {
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callback({ success: true, info: ev, text: xhr.responseText });
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};
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xhr.onerror = function(ev) {
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callback({ success: false, info: ev });
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};
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xhr.open('GET', url);
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xhr.send();
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};
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var selectTextInElement = function(target) {
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// MSIE
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if(document.body.createTextRange) {
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var range = document.body.createTextRange();
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range.moveToElementText(target);
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range.select();
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return;
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}
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// Mozilla
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if(window.getSelection) {
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var select = window.getSelection(),
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range = document.createRange();
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range.selectNodeContents(target);
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select.removeAllRanges();
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select.addRange(range);
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return;
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}
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};
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var copySelectedText = function() {
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if(document.execCommand) {
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document.execCommand('copy');
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return;
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}
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};
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(function() {
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var fields = [
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{ target: 'ipv4', ext: 'v4', clickTarget: 'ipv4-click' },
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{ target: 'ipv6', ext: 'v6', clickTarget: 'ipv6-click' },
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];
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for(var i in fields)
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(function(field) {
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var host = location.host.split('.');
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host[0] += field.ext;
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var url = location.protocol + '//' + host.join('.') + '/';
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getRemoteString(url, function(info) {
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var target = document.getElementById(field.target),
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prop = 'textContent' in target ? 'textContent' : 'innerText';
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if(info.success) {
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target[prop] = info.text;
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if(field.clickTarget) {
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var clickTarget = document.getElementById(field.clickTarget);
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if(clickTarget)
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clickTarget.onclick = function() {
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selectTextInElement(target);
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copySelectedText();
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};
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}
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} else
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target[prop] = 'not available';
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});
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})(fields[i]);
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})();
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