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interactive login in the node runtime (ms-rest-azure) (Azure#1066)
* inital commit * minor update * some more updates
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ClientRuntimes/NodeJS/ms-rest-azure/lib/credentials/deviceTokenCredentials.js
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// Copyright (c) Microsoft Corporation. All rights reserved. | ||
// Licensed under the MIT License. See License.txt in the project root for license information. | ||
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var util = require('util'); | ||
var msrest = require('ms-rest'); | ||
var adal = require('adal-node'); | ||
var Constants = msrest.Constants; | ||
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var azureConstants = require('../constants'); | ||
var AzureEnvironment = require('../azureEnvironment'); | ||
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/** | ||
* Creates a new DeviceTokenCredentials object that gets a new access token using userCodeInfo (contains user_code, device_code) | ||
* for authenticating user on device. | ||
* | ||
* When this credential is used, the script will provide a url and code. The user needs to copy the url and the code, paste it | ||
* in a browser and authenticate over there. If successful, the script will get the access token. | ||
* | ||
* @constructor | ||
* @param {object} [options] Object representing optional parameters. | ||
* @param {string} [options.username] The user name for account in the form: 'user@example.com'. | ||
* @param {AzureEnvironment} [options.environment] The azure environment to authenticate with. Default environment is "Azure" popularly known as "Public Azure Cloud". | ||
* @param {string} [options.domain] The domain or tenant id containing this application. Default value is 'common' | ||
* @param {string} [options.clientId] The active directory application client id. | ||
* See {@link https://azure.microsoft.com/en-us/documentation/articles/active-directory-devquickstarts-dotnet/ Active Directory Quickstart for .Net} | ||
* for an example. | ||
* @param {string} [options.authorizationScheme] The authorization scheme. Default value is 'bearer'. | ||
* @param {object} [options.tokenCache] The token cache. Default value is the MemoryCache object from adal. | ||
*/ | ||
function DeviceTokenCredentials(options) { | ||
if (!options) { | ||
options = {}; | ||
} | ||
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if (!options.username) { | ||
options.username = 'user@example.com'; | ||
} | ||
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if (!options.environment) { | ||
options.environment = AzureEnvironment.Azure; | ||
} | ||
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if (!options.domain) { | ||
options.domain = azureConstants.AAD_COMMON_TENANT; | ||
} | ||
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if (!options.clientId) { | ||
options.clientId = azureConstants.DEFAULT_ADAL_CLIENT_ID; | ||
} | ||
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if (!options.authorizationScheme) { | ||
options.authorizationScheme = Constants.HeaderConstants.AUTHORIZATION_SCHEME; | ||
} | ||
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if (!options.tokenCache) { | ||
options.tokenCache = new adal.MemoryCache(); | ||
} | ||
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this.username = options.username; | ||
this.environment = options.environment; | ||
this.domain = options.domain; | ||
this.clientId = options.clientId; | ||
this.authorizationScheme = options.authorizationScheme; | ||
this.tokenCache = options.tokenCache; | ||
var authorityUrl = this.environment.activeDirectoryEndpointUrl + this.domain; | ||
this.context = new adal.AuthenticationContext(authorityUrl, this.environment.validateAuthority, this.tokenCache); | ||
} | ||
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DeviceTokenCredentials.prototype.retrieveTokenFromCache = function (callback) { | ||
var self = this; | ||
self.context.acquireToken(self.environment.activeDirectoryResourceId, self.username, self.clientId, function (err, result) { | ||
if (err) return callback(err); | ||
return callback(null, result.tokenType, result.accessToken); | ||
}); | ||
}; | ||
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/** | ||
* Signs a request with the Authentication header. | ||
* | ||
* @param {webResource} The WebResource to be signed. | ||
* @param {function(error)} callback The callback function. | ||
* @return {undefined} | ||
*/ | ||
DeviceTokenCredentials.prototype.signRequest = function (webResource, callback) { | ||
return this.retrieveTokenFromCache(function(err, scheme, token) { | ||
if (err) return callback(err); | ||
webResource.headers[Constants.HeaderConstants.AUTHORIZATION] = util.format('%s %s', scheme, token); | ||
return callback(null); | ||
}); | ||
}; | ||
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module.exports = DeviceTokenCredentials; |
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