140 lines
4.2 KiB
JavaScript
140 lines
4.2 KiB
JavaScript
KB.http.request = function (method, url, headers, body) {
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var successCallback = function() {};
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var authErrorCallback = function() {};
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var netErrorCallback = function() {};
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var errorCallback = function() {};
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function parseResponse(request) {
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var redirect = request.getResponseHeader('X-Ajax-Redirect');
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var location = request.getResponseHeader('Location');
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if (redirect === 'self') {
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window.location.reload();
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} else if (redirect && redirect.indexOf('#') > -1) {
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window.location = redirect.split('#')[0];
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} else if (redirect) {
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window.location = redirect;
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} else if (location) {
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window.location = location;
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} else if (request.getResponseHeader('Content-Type') === 'application/json') {
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try {
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return JSON.parse(request.responseText);
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} catch (e) {}
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}
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return request.responseText;
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}
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this.execute = function () {
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var request = new XMLHttpRequest();
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request.open(method, url, true);
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request.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
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for (var header in headers) {
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if (headers.hasOwnProperty(header)) {
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request.setRequestHeader(header, headers[header]);
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}
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}
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request.onerror = function() {
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errorCallback();
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};
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request.onreadystatechange = function() {
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if (request.readyState === XMLHttpRequest.DONE) {
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var response = parseResponse(request);
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// errorCallback still gets called for compatibility
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switch (request.status) {
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case 200:
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successCallback(response);
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return;
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case 401:
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authErrorCallback(response);
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errorCallback(response);
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break;
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case 0:
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netErrorCallback(response);
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errorCallback(response);
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break;
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default:
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errorCallback(response);
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break;
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}
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}
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};
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request.send(body);
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return this;
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};
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this.success = function (callback) {
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successCallback = callback;
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return this;
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};
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this.authError = function (callback) {
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authErrorCallback = callback;
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return this;
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};
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this.netError = function (callback) {
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netErrorCallback = callback;
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return this;
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};
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// deprecated
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this.error = function (callback) {
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errorCallback = callback;
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return this;
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};
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};
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KB.http.get = function (url) {
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return (new KB.http.request('GET', url)).execute();
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};
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KB.http.postJson = function (url, body) {
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var headers = {
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'Content-Type': 'application/json',
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'Accept': 'application/json'
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};
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return (new KB.http.request('POST', url, headers, JSON.stringify(body))).execute();
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};
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KB.http.postForm = function (url, formElement) {
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var formData = new FormData(formElement);
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return (new KB.http.request('POST', url, {}, formData)).execute();
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};
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KB.http.uploadFile = function (url, file, csrf, onProgress, onComplete, onError, onServerError, onRequestTooLarge) {
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var fd = new FormData();
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fd.append('files[]', file);
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fd.append('csrf_token', csrf);
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var xhr = new XMLHttpRequest();
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xhr.upload.addEventListener('progress', onProgress);
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xhr.upload.addEventListener('error', onError);
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xhr.open('POST', url, true);
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xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
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xhr.onreadystatechange = function() {
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if (xhr.readyState === XMLHttpRequest.DONE) {
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if (xhr.status === 200) {
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onComplete();
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} else if (xhr.status === 413) {
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if (typeof onRequestTooLarge !== 'undefined') {
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onRequestTooLarge();
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} else {
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onError(xhr.responseText);
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}
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} else if (typeof onServerError !== 'undefined') {
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onServerError(JSON.parse(xhr.responseText));
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}
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}
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};
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xhr.send(fd);
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};
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