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/*
* Copyright © 2016-2017 European Support Limited
*
* 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.
*/
const needle = require('needle');
const fs = require('fs');
require('node-zip');
var btoa = require('btoa');
const md5 = require('md5');
const _ = require('lodash');
function getOptionsForRequest(context, method, path, type) {
if (type == undefined || type == null) {
type = context.defaultServerType
}
let server = context.getUrlForType(type);
let options = {
method: method,
url: server + path,
headers: _.clone(context.headers[type])
};
// options.headers["Content-Type"] = "application/json";
// options.headers["accept"] = "application/json";
return options;
}
function _requestBinaryFormData(context, method, path, fileName, formInputName, type) {
let options = getOptionsForRequest(context, method, path, type);
let formData = {};
if (method === 'POST' || method === 'PUT') {
//formData[formInputName] = fs.createReadStream(fileName);
//options.formData = formData;
let fileData = {
file: fileName
};
fileData['content_type'] = 'multipart/form-data';
options.formData = {};
options.formData[formInputName] = fileData;
}
return _request(context, method, path, options);
}
function _requestBinaryBody(context, method, path, fileName, type) {
let options = getOptionsForRequest(context, method, path, type);
if (method === 'POST' || method === 'PUT') {
options.body = fs.createReadStream(fileName);
options.headers['Content-Type'] = 'application/octet-stream';
}
return _request(context, method, path, options);
}
function _requestPayload(context, method, path, filePath, type) {
let options = getOptionsForRequest(context, method, path, type);
options.json = _createPayload(filePath);
options.headers['Content-MD5'] = addCheckSum(options.json);
return _request(context, method, path, options);
}
function _requestRest(context, method, path, data, type) {
let options = getOptionsForRequest(context, method, path, type);
if (method === 'POST' || method === 'PUT') {
options.json = data;
}
return _request(context, method, path, options);
}
function _request(context, method, path, options) {
console.log('--> Calling REST ' + options.method +' url: ' + options.url);
let inputData = options.json;
let needleOptions = {headers: options.headers, rejectUnauthorized: false};
if (inputData == undefined) {
if (options.formData != undefined) {
inputData = options.formData;
needleOptions.multipart = true;
}
if (inputData && inputData.body != undefined) {
inputData = options.body;
}
} else {
needleOptions.json = true;
}
return needle(method, options.url, inputData, needleOptions)
.then(function(result) {
context.inputData = null;
let isExpected = (context.shouldFail) ? (result.statusCode != 200 && result.statusCode != 201) : (result.statusCode == 200 || result.statusCode == 201);
data = result.body;
if (!isExpected) {
console.log('Did not get expected response code');
throw 'Status Code was ' + result.statusCode ;
}
if (context.shouldFail && context.errorCode) {
if (typeof data === 'string' && data) {
data = JSON.parse(data);
}
let errorCode = data.errorCode;
let contextErrorCode = context.errorCode;
context.errorCode = null;
if (errorCode !== contextErrorCode) {
throw 'Error Code was ' + errorCode + ' instead of ' + contextErrorCode;
}
}
if (context.shouldFail && context.errorMessage) {
if (typeof data === 'string' && data) {
data = JSON.parse(data);
}
let errorMessage = data.message;
let contextErrorMessage = context.errorMessage;
context.errorMessage = null;
if (errorMessage !== contextErrorMessage) {
throw 'Error Message was ' + errorMessage + ' instead of ' + contextErrorMessage;
}
}
if (context.shouldFail) {
context.shouldFail = false;
return({statusCode: result.statusCode, data: {}});
}
if (typeof data === 'string' && data) {
if (data.startsWith('[') || data.startsWith('{')) {
data = JSON.parse(data);
}
}
context.responseData = data;
context.inputData = data;
return({statusCode: result.statusCode, data: data});
})
.catch(function(err) {
console.error('Request URL: ' + options.url);
console.error('Request Method: ' + options.method);
console.log(err);
throw err;
})
}
function download(context, path, filePath, type) {
if (type == undefined || type == null) {
type = context.defaultServerType
}
let server = context.getUrlForType(type);
let options = {
method: 'GET',
url: server + path,
headers: context.headers[type]
};
console.log('--> Calling REST download url: ' + options.url);
return needle('GET', options.url, {}, {
headers: options.headers,
rejectUnauthorized: false,
output: filePath
})
.then(function (result) {
let zipFile = fs.readFileSync(filePath, 'binary');
let zip = new JSZip(zipFile, {base64: false, checkCRC32: true});
if (zip.files['MANIFEST.json']) {
let manifestData = zip.files['MANIFEST.json']._data;
manifestData = manifestData.replace(/\\n/g, '');
context.responseData = JSON.parse(manifestData);
}
return zip;
})
.catch(function (err) {
console.error('Request URL: ' + options.url);
console.error('Request Method: ' + options.method);
throw err;
})
}
function _random() {
let d = new Date();
return d.getTime().toString().split('').reverse().join('');
}
function _getJSONFromFile(file) {
return JSON.parse(fs.readFileSync(file, 'utf8'));
}
function _createPayload(fileName) {
var body = fs.readFileSync(fileName);
let payload = {
payloadData: body.toString('base64'),
payloadName: fileName.substring(fileName.lastIndexOf("/") + 1 )
};
return payload;
}
function addCheckSum(payloadData) {
let _md5 = md5(JSON.stringify(payloadData));
return btoa(_md5.toLowerCase());
}
function _getFile(file, format) {
if(format === '' ){
return fs.readFileSync(file)
}
return fs.readFileSync(file, format);
}
module.exports = {
getFile: _getFile,
request: _requestRest,
requestPayload: _requestPayload,
requestBinaryFormData: _requestBinaryFormData,
requestBinaryBody: _requestBinaryBody,
random : _random,
getJSONFromFile: _getJSONFromFile,
download: download,
payload: _createPayload
};
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