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AmazonSecurityTokenServiceClient.Extension.cs
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AmazonSecurityTokenServiceClient.Extension.cs
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/*
* Copyright Amazon.com, Inc. or its affiliates. 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.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.
*/
using System;
using System.Net;
using System.Linq;
using Amazon.Runtime;
using Amazon.Runtime.Internal;
using Amazon.Runtime.Internal.Util;
using Amazon.Runtime.SharedInterfaces;
using Amazon.SecurityToken.Model;
using Amazon.SecurityToken.SAML;
#if AWS_ASYNC_API
using System.Threading.Tasks;
#endif
namespace Amazon.SecurityToken
{
public partial class AmazonSecurityTokenServiceClient : AmazonServiceClient, IAmazonSecurityTokenService, ICoreAmazonSTS_WebIdentity
{
#if !BCL
SAMLImmutableCredentials ICoreAmazonSTS_SAML.CredentialsFromSAMLAuthentication(
#else
SAMLImmutableCredentials ICoreAmazonSTS.CredentialsFromSAMLAuthentication(
#endif
string endpoint,
string authenticationType,
string roleARN,
TimeSpan credentialDuration,
ICredentials userCredential)
{
const string httpPrefix = "http://";
const string httpsPrefix = "https://";
SAMLAssertion assertion;
try
{
var proxy = Config.GetWebProxy();
if (proxy == null)
{
if (endpoint.StartsWith(httpPrefix))
{
proxy = Config.GetHttpProxy();
}
else if (endpoint.StartsWith(httpsPrefix))
{
proxy = Config.GetHttpsProxy();
}
}
var authController = new SAMLAuthenticationController(proxy);
assertion = authController.GetSAMLAssertion(endpoint, userCredential, authenticationType);
}
catch (Exception e)
{
throw new FederatedAuthenticationFailureException("Authentication failure, unable to obtain SAML assertion.", e);
}
try
{
return assertion.GetRoleCredentials(this, roleARN, credentialDuration);
}
catch (Exception e)
{
throw new AmazonClientException("Credential generation failed following successful authentication.", e);
}
}
private AssumeRoleWithWebIdentityRequest SetupAssumeRoleWithWebIdentityRequest(string webIdentityToken, string roleArn,
string roleSessionName, AssumeRoleWithWebIdentityCredentialsOptions options)
{
var request = new AssumeRoleWithWebIdentityRequest
{
WebIdentityToken = webIdentityToken,
RoleArn = roleArn,
RoleSessionName = roleSessionName
};
if (options != null)
{
request.ProviderId = options.ProviderId;
request.PolicyArns = options.PolicyArns?.Select((arn) => new PolicyDescriptorType { Arn = arn }).ToList();
request.Policy = options.Policy;
if (options.DurationSeconds.HasValue)
{
request.DurationSeconds = options.DurationSeconds.Value;
}
}
return request;
}
/// <summary>
/// <see cref="ICoreAmazonSTS_WebIdentity"/>
/// </summary>
/// <param name="webIdentityToken">The OAuth 2.0 access token or OpenID Connect ID token that is provided by the identity provider.</param>
/// <param name="roleArn">The Amazon Resource Name (ARN) of the role to assume.</param>
/// <param name="roleSessionName">An identifier for the assumed role session.</param>
/// <param name="options">Options to be used in the call to AssumeRole.</param>
/// <returns>Immutable AssumeRoleCredentials</returns>
AssumeRoleImmutableCredentials ICoreAmazonSTS_WebIdentity.CredentialsFromAssumeRoleWithWebIdentityAuthentication(string webIdentityToken, string roleArn,
string roleSessionName, AssumeRoleWithWebIdentityCredentialsOptions options)
{
var request = SetupAssumeRoleWithWebIdentityRequest(webIdentityToken, roleArn, roleSessionName, options);
try
{
var response = AssumeRoleWithWebIdentity(request);
return new AssumeRoleImmutableCredentials(response.Credentials.AccessKeyId, response.Credentials.SecretAccessKey,
response.Credentials.SessionToken, response.Credentials.Expiration);
}
catch (Exception e)
{
var msg = "Error calling AssumeRole for role " + roleArn;
var exception = new AmazonClientException(msg, e);
Logger.GetLogger(typeof(AmazonSecurityTokenServiceClient)).Error(exception, exception.Message);
throw exception;
}
}
#if AWS_ASYNC_API
/// <summary>
/// <see cref="ICoreAmazonSTS_WebIdentity"/>
/// </summary>
/// <param name="webIdentityToken">The OAuth 2.0 access token or OpenID Connect ID token that is provided by the identity provider.</param>
/// <param name="roleArn">The Amazon Resource Name (ARN) of the role to assume.</param>
/// <param name="roleSessionName">An identifier for the assumed role session.</param>
/// <param name="options">Options to be used in the call to AssumeRole.</param>
/// <returns>Immutable AssumeRoleCredentials</returns>
async Task<AssumeRoleImmutableCredentials> ICoreAmazonSTS_WebIdentity.CredentialsFromAssumeRoleWithWebIdentityAuthenticationAsync(string webIdentityToken, string roleArn,
string roleSessionName, AssumeRoleWithWebIdentityCredentialsOptions options)
{
var request = SetupAssumeRoleWithWebIdentityRequest(webIdentityToken, roleArn, roleSessionName, options);
try
{
var response = await AssumeRoleWithWebIdentityAsync(request).ConfigureAwait(false);
return new AssumeRoleImmutableCredentials(response.Credentials.AccessKeyId, response.Credentials.SecretAccessKey,
response.Credentials.SessionToken, response.Credentials.Expiration);
}
catch (Exception e)
{
var msg = "Error calling AssumeRole for role " + roleArn;
var exception = new AmazonClientException(msg, e);
Logger.GetLogger(typeof(AmazonSecurityTokenServiceClient)).Error(exception, exception.Message);
throw exception;
}
}
#endif
/// <summary>
/// <see cref="ICoreAmazonSTS"/>
/// </summary>
/// <param name="roleArn"></param>
/// <param name="roleSessionName"></param>
/// <param name="options"></param>
/// <returns></returns>
AssumeRoleImmutableCredentials ICoreAmazonSTS.CredentialsFromAssumeRoleAuthentication(string roleArn,
string roleSessionName, AssumeRoleAWSCredentialsOptions options)
{
try
{
var request = new AssumeRoleRequest
{
RoleArn = roleArn,
RoleSessionName = roleSessionName
};
if (options != null)
{
request.ExternalId = options.ExternalId;
request.SerialNumber = options.MfaSerialNumber;
request.TokenCode = options.MfaTokenCode;
request.Policy = options.Policy;
request.SourceIdentity = options.SourceIdentity;
if (options.DurationSeconds.HasValue)
{
request.DurationSeconds = options.DurationSeconds.Value;
}
}
var response = AssumeRole(request);
return new AssumeRoleImmutableCredentials(response.Credentials.AccessKeyId, response.Credentials.SecretAccessKey,
response.Credentials.SessionToken, response.Credentials.Expiration);
}
catch (Exception e)
{
var msg = "Error calling AssumeRole for role " + roleArn;
var exception = new AmazonClientException(msg, e);
Logger.GetLogger(typeof(AmazonSecurityTokenServiceClient)).Error(exception, exception.Message);
throw exception;
}
}
}
}