92 lines
3.1 KiB
JavaScript
92 lines
3.1 KiB
JavaScript
//
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// Copyright (c) Microsoft and contributors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Module dependencies.
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var util = require('util');
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var azureCommon = require('./../../../common/common.core');
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var SharedKey = azureCommon.SharedKey;
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var azureutil = azureCommon.util;
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var Constants = azureCommon.Constants;
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var HeaderConstants = Constants.HeaderConstants;
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var QueryStringConstants = Constants.QueryStringConstants;
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/**
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* Creates a new SharedKeyTable object.
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*
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* @constructor
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* @param {string} storageAccount The storage account.
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* @param {string} storageAccessKey The storage account's access key.
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* @param {bool} usePathStyleUri Boolean value indicating if the path, or the hostname, should include the storage account.
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*/
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function SharedKeyTable(storageAccount, storageAccessKey, usePathStyleUri) {
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SharedKeyTable['super_'].call(this,
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storageAccount,
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storageAccessKey,
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usePathStyleUri);
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}
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util.inherits(SharedKeyTable, SharedKey);
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/**
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* Signs a request with the Authentication header.
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*
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* @param {WebResource} The webresource to be signed.
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* @param {function(error)} callback The callback function.
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*/
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SharedKeyTable.prototype.signRequest = function (webResource, callback) {
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var getvalueToAppend = function (value) {
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if (azureutil.objectIsNull(value)) {
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return '\n';
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} else {
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return value + '\n';
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}
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};
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var stringToSign =
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webResource.method + '\n' +
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getvalueToAppend(webResource.headers[HeaderConstants.CONTENT_MD5]) +
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getvalueToAppend(webResource.headers[HeaderConstants.CONTENT_TYPE]) +
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getvalueToAppend(webResource.headers[HeaderConstants.MS_DATE]) +
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this._getCanonicalizedResource(webResource);
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var signature = this.signer.sign(stringToSign);
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webResource.withHeader(HeaderConstants.AUTHORIZATION, 'SharedKey ' + this.storageAccount + ':' + signature);
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callback(null);
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};
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/*
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* Retrieves the webresource's canonicalized resource string.
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* @param {WebResource} webResource The webresource to get the canonicalized resource string from.
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* @return {string} The canonicalized resource string.
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*/
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SharedKeyTable.prototype._getCanonicalizedResource = function (webResource) {
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var path = '/';
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if (webResource.path) {
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path = webResource.path;
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}
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var canonicalizedResource = '/' + this.storageAccount + path;
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var queryStringValues = webResource.queryString;
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if (queryStringValues[QueryStringConstants.COMP]) {
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canonicalizedResource += '?comp=' + queryStringValues[QueryStringConstants.COMP];
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}
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return canonicalizedResource;
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};
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module.exports = SharedKeyTable; |