75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
/**
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* Make a X-Domain request to url and callback.
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*
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* @param url {String}
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* @param method {String} HTTP verb ('GET', 'POST', 'DELETE', etc.)
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* @param data {String} request body
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* @param header {Dict} header options
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* @param callback {Function} to callback on completion
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* @param errback {Function} to callback on error
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*/
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function xdr(url, method, data, header, callback, errback) {
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var req;
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if(XMLHttpRequest) {
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req = new XMLHttpRequest();
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if('withCredentials' in req) {
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req.open(method, url, true);
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req.onerror = errback;
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req.onreadystatechange = function() {
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if (req.readyState === 4) {
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if (req.status >= 200 && req.status < 400) {
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callback(req.responseText);
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} else {
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errback(new Error('Response returned with non-OK status'));
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}
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}
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};
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for ( var h in header ) {
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req.setRequestHeader(h, header[h]);
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}
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req.send(data);
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}
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} else if(XDomainRequest) {
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req = new XDomainRequest();
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req.open(method, url);
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req.onerror = errback;
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req.onload = function() {
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callback(req.responseText);
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};
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for ( var h in header ) {
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req.setRequestHeader(h, header[h]);
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}
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req.send(data);
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} else {
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errback(new Error('CORS not supported'));
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}
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}
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function stacosys_get_count(callback, errback) {
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var url = STACOSYS_URL + '/comments/count?token=' + STACOSYS_TOKEN + '&url=' + STACOSYS_PAGE;
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xdr(url, 'GET', null, {}, callback, errback);
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}
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function stacosys_load_comments(callback, errback) {
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var url = STACOSYS_URL + '/comments?token=' + STACOSYS_TOKEN + '&url=' + STACOSYS_PAGE;
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xdr(url, 'GET', null, {}, callback, errback);
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}
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function stacosys_new_comment(author, email, site, captcha, callback, errback) {
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var url = STACOSYS_URL + '/comments';
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var data = {
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'token': STACOSYS_TOKEN,
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'url': STACOSYS_PAGE,
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'author': author,
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'email': email,
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'site': site,
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'captcha': captcha
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};
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var header = {
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'Content-type': 'application/json'
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};
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var j = JSON.stringify(data);
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xdr(url, 'POST', JSON.stringify(data), header, callback, errback);
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}
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