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/*!
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
import {RestfulAPI} from 'restful-js';
import uuid from 'uuid-js';
import md5 from 'md5';
import store from 'sdc-app/AppStore.js';
import {actionTypes as LoaderConstants} from 'nfvo-components/loader/LoaderConstants.js';
import Configuration from 'sdc-app/config/Configuration.js';
import errorResponseHandler from './ErrorResponseHandler.js';
const AUTHORIZATION_HEADER = 'X-AUTH-TOKEN';
const STORAGE_AUTH_KEY = 'sdc-auth-token';
const REQUEST_ID_HEADER = 'X-ECOMP-RequestID';
const CONTENT_MD5_HEADER = 'Content-MD5';
function applyMD5Header(options, data) {
if (options.md5) {
let headers = options.headers;
headers[CONTENT_MD5_HEADER] = window.btoa(md5(JSON.stringify(data)).toLowerCase());
}
}
function handleResponse(xhr) {
let authToken = xhr.getResponseHeader(AUTHORIZATION_HEADER);
let prevToken = this && this.headers && this.headers[AUTHORIZATION_HEADER];
if (authToken && authToken !== prevToken) {
if (authToken === 'null') {
localStorage.removeItem(STORAGE_AUTH_KEY);
} else {
localStorage.setItem(STORAGE_AUTH_KEY, authToken);
}
}
}
class RestAPIUtil extends RestfulAPI {
applySecurity(options, data) {
let headers = options.headers || (options.headers = {});
let authToken = localStorage.getItem(STORAGE_AUTH_KEY);
if (authToken) {
headers[AUTHORIZATION_HEADER] = authToken;
}
let attApiHeaders = Configuration.get('ATTApiHeaders'),
attUidHeader = attApiHeaders && attApiHeaders.userId;
if (attUidHeader) {
headers[attUidHeader.name] = attUidHeader.value;
}
headers[REQUEST_ID_HEADER] = uuid.create().toString();
applyMD5Header(options, data);
}
handleRequest(url, type, options = {}, data){
let success = options.success;
options.success = function (resp, textStatus, xhr) {
handleResponse.call(this, xhr);
if (success) {
success.call(options.context, {...resp}, textStatus, xhr);
}
};
if (DEBUG) {
console.log('--> Making REST call (' + type + '): ' + url);
}
return super.handleRequest(url, type, options, data);
}
}
const instance = new RestAPIUtil({
errorResponseHandler,
ajaxStartHandler: () => store.dispatch({type: LoaderConstants.SHOW}),
ajaxStopHandler: () => store.dispatch({type: LoaderConstants.HIDE})
});
// jQuery binary transport to download files through XHR
// http://www.henryalgus.com/reading-binary-files-using-jquery-ajax/
// https://github.com/henrya/js-jquery/tree/master/BinaryTransport
instance.$.ajaxTransport('+binary', function (options/*, originalOptions , jqXHR*/) {
// check for conditions and support for blob / arraybuffer response type
if (window.FormData && ((options.dataType && (options.dataType === 'binary')) ||
(options.data && ((window.ArrayBuffer && options.data instanceof ArrayBuffer) ||
(window.Blob && options.data instanceof Blob))))
) {
return {
// create new XMLHttpRequest
send: function (headers, callback) {
// setup all letiables
let xhr = new XMLHttpRequest(),
url = options.url,
type = options.type,
async = options.async || true,
// blob or arraybuffer. Default is blob
dataType = options.responseType || 'blob',
data = options.data || null,
username = options.username || null,
password = options.password || null;
xhr.addEventListener('load', function () {
let data = {};
data[options.dataType] = xhr.response;
// make callback and send data
callback(xhr.status, xhr.statusText, data, xhr.getAllResponseHeaders());
});
xhr.open(type, url, async, username, password);
// setup custom headers
for (let i in headers) {
xhr.setRequestHeader(i, headers[i]);
}
xhr.responseType = dataType;
xhr.send(data);
},
abort: function () {
}
};
}
});
export default instance;
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