//
// Copyright (c) Microsoft and contributors. 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.
//
// Module dependencies.
var util = require('util');
var azureCommon = require('./../../../common/common');
var SharedKey = azureCommon.SharedKey;
var azureutil = azureCommon.util;
var Constants = azureCommon.Constants;
var HeaderConstants = Constants.HeaderConstants;
var QueryStringConstants = Constants.QueryStringConstants;
/**
* Creates a new SharedKeyTable object.
*
* @constructor
* @param {string} storageAccount The storage account.
* @param {string} storageAccessKey The storage account's access key.
* @param {bool} usePathStyleUri Boolean value indicating if the path, or the hostname, should include the storage account.
*/
function SharedKeyTable(storageAccount, storageAccessKey, usePathStyleUri) {
SharedKeyTable['super_'].call(this,
storageAccount,
storageAccessKey,
usePathStyleUri);
}
util.inherits(SharedKeyTable, SharedKey);
/**
* Signs a request with the Authentication header.
*
* @param {WebResource} The webresource to be signed.
* @param {function(error)} callback The callback function.
* @return {undefined}
*/
SharedKeyTable.prototype.signRequest = function (webResource, callback) {
var getvalueToAppend = function (value) {
if (azureutil.objectIsNull(value)) {
return '\n';
} else {
return value + '\n';
}
};
var stringToSign =
webResource.method + '\n' +
getvalueToAppend(webResource.headers[HeaderConstants.CONTENT_MD5]) +
getvalueToAppend(webResource.headers[HeaderConstants.CONTENT_TYPE]) +
getvalueToAppend(webResource.headers[HeaderConstants.MS_DATE]) +
this._getCanonicalizedResource(webResource);
var signature = this.signer.sign(stringToSign);
webResource.withHeader(HeaderConstants.AUTHORIZATION, 'SharedKey ' + this.storageAccount + ':' + signature);
callback(null);
};
/*
* Retrieves the webresource's canonicalized resource string.
* @param {WebResource} webResource The webresource to get the canonicalized resource string from.
* @return {string} The canonicalized resource string.
*/
SharedKeyTable.prototype._getCanonicalizedResource = function (webResource) {
var path = '/';
Eif (webResource.path) {
path = webResource.path;
}
var canonicalizedResource = '/' + this.storageAccount + path;
var queryStringValues = webResource.queryString;
if (queryStringValues[QueryStringConstants.COMP]) {
canonicalizedResource += '?comp=' + queryStringValues[QueryStringConstants.COMP];
}
return canonicalizedResource;
};
module.exports = SharedKeyTable; |