blog.area23.at - a simple url encoder/decoder

 a simple url encoder/decoder
 http://blog.area23.at

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2016-10-17

Got many spams from magyardomain last days

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        for 
        (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
        Fri, 14 Oct 2016 07:42:20 -0700 (PDT)
Received-SPF: pass (google.com: best guess record for domain of root@mail.dgbmail.eu designates 87.229.51.250 as permitted sender) client-ip=87.229.51.250;
Authentication-Results: mx.google.com;
       spf=pass (google.com: best guess record for domain of root@mail.dgbmail.eu designates 87.229.51.250 as permitted sender) smtp.mailfrom=root@mail.dgbmail.eu
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To: heinrichelsigan@mail
Subject: B@ng Me Tonight
X-Provider-IP: 89.212.78.219
Date: Fri, 14 Oct 2016 16:41:43 +0200
From: Julie Owens [julie_owens clicks.net=""]
Message-ID: [3e8a73cf1c642dcd2d9a3993a6814756 clicks.net=""]
X-Priority: 3
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Content-Type: multipart/alternative; boundary="b1_3e8a73cf1c642dcd2d9a3993a6814756"
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Sender: apache mail.dataglobe.eu=""

--b1_3e8a73cf1c642dcd2d9a3993a6814756
Content-Type: text/plain; charset=us-ascii

I apologize, but can we ... f@ck?

Watch me m@sturbating on the sofa

Spank my rack for your pleasure!

[ http://woodandstonefloors.co.uk/css.php?i=142&dBTkDgan=VVmVWWkXRZp&Qn=Aeu&5=6njeQ ] My photos for your pleasure

See you soon!


--b1_3e8a73cf1c642dcd2d9a3993a6814756--

Results returned from whois.arin.net:
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html

87.229.51.250 is from Hungary (HU) in region Eastern Europe
Input: 87.229.51.250
canonical name: mailto.dgbmail.eu
Registered Domain: dgbmail.eu

87.229.51.250 is from Hungary (HU) in region Eastern Europe
Whois query for 87.229.51.250...

Domain dgbmail.eu

Registrant:
NOT DISCLOSED!
Visit www.eurid.eu for webbased whois.

Technical:
Name Dataglobe Technical staff
Organisation Dataglobe Zrt
Language hu
Phone +36.18088230
Fax +36.19980206
Email info@dataglobe.eu

Registrar:
Name Magyar Domain Ltd
Website http://www.magyardomain.eu/

Name servers:
ns0.dataglobe.eu
ns2.dataglobe.eu

Please visit www.eurid.eu for more info.


2016-09-15

BND und die Massenüberwachung durch Deutschland

Tja, laut Tweet von Edward Snowden heute
https://twitter.com/Snowden/status/776446609794011137
gibt es ein gewaltiges Problem mit Massenüberwachung in Deutschland durch den Staat.


Netzpolitik berichtet hier auf Englisch darüber.
https://netzpolitik.org/2016/secret-report-german-federal-intelligence-service-bnd-violates-laws-by-the-dozen/

Laut fefe.de ist aber das de Maziere zu wenig
http://blog.fefe.de/?ts=a92794ba

und er will die Überwachung noch weiter ausbauen!


2016-06-05

A new approach on monetarisation, when remixing copy left

Some years ago, I guess sometime between late 2009 and early 2014, I was so free to remix several artworks and popular scientific explanations from others founders to visualize relationships between subprime market crisis in the US and the problems of the countries of the € zone with all the rumor, demonstrations, civil unrests inside Europe. I mixed music from The KLF in (who called them self "Kopyright Liberation Front" and who excessivly remixed samples of other artists.)



I didn't enable the monetization switch at YouTube on this remix video, because I didn't find it fair, that all gain would be transferred to me alone.
Rather I would prefer a model, where every artists involced in this remix would receive shares from monetarisation proportionately to time his or her part was mixed in.

2016-04-22

AWSSDK Demo Sample in C# .NET

This article just shows, how to use some basic functions of the Amazon WebServices SDK under C# .NET with Visual Studio 2013

Pre-requesties: 



/*******************************************************************************
* Copyright 2009-2013 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.Collections.Generic;
using System.Collections.Specialized;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;

using Amazon;
using Amazon.EC2;
using Amazon.EC2.Model;
using Amazon.EC2.Util;

using Amazon.IdentityManagement;
using Amazon.IdentityManagement.Model;

using Amazon.Auth.AccessControlPolicy;
using Amazon.Auth.AccessControlPolicy.ActionIdentifiers;

using Amazon.S3;
using Amazon.S3.Model;
using Amazon.S3.Util;

namespace AwsEC2Sample1
{
    /// <summary>
    /// This sample shows how to launch an Amazon EC2 instance with a PowerShell script that is executed when the
    /// instance becomes available and access Amazon S3.
    /// </summary>
    class Program
    {      

        static readonly string RESOURCDE_POSTFIX = DateTime.Now.Ticks.ToString();
        static readonly string SAMPLE_PREFIX = AWSConfigSettings.AWSSamplePrefix;
        static readonly string SAMPLE_NAME = SAMPLE_PREFIX +
            DateTime.Now.ToShortDateString() + "_" + DateTime.Now.ToShortTimeString().Replace(":", ".");
        static readonly string SAMPLE_LONG_UNIQUE_NAME = SAMPLE_PREFIX + RESOURCDE_POSTFIX;
        const bool CREATE_AND_SAVE_KEY_PAIR = true;


        public static void Main(string[] args)
        {

            string awsProfileName = AWSConfigSettings.AWSProfileName;

            AmazonEC2Config config = new AmazonEC2Config();
            config.ServiceURL = AWSConfigSettings.AWSServiceUrl;
            Amazon.Runtime.AWSCredentials credentials = new Amazon.Runtime.StoredProfileAWSCredentials(awsProfileName);
            // AmazonEC2Client ec2Client = new AmazonEC2Client(credentials, config);
            AmazonEC2Client ec2Client = new AmazonEC2Client();

            var bucketName = SAMPLE_LONG_UNIQUE_NAME;           

            // Get latest 2012 Base AMI
            var imageId = ImageUtilities.FindImage(ec2Client, ImageUtilities.WINDOWS_2012_BASE).ImageId;
            Console.WriteLine("Using Image ID: {0}", imageId);

            // Create an IAM role
            var instanceProfileArn = CreateInstanceProfile();
            Console.WriteLine("Created Instance Profile: {0}", instanceProfileArn);

            Thread.Sleep(15000);

            // Check existing keypairs
            string keyPairName = SAMPLE_LONG_UNIQUE_NAME;

            var dkpRequest = new DescribeKeyPairsRequest();
            var dkpResponse = ec2Client.DescribeKeyPairs(dkpRequest);
            List<KeyPairInfo> myKeyPairs = dkpResponse.KeyPairs;
            foreach (KeyPairInfo item in myKeyPairs)
            {
                Console.WriteLine("Existing key pair: " + item.KeyName);
            }

            // Create new KeyPair
            KeyPair newKeyPair = null;
            CreateKeyPairRequest newKeyRequest = new CreateKeyPairRequest() { KeyName = keyPairName };
            CreateKeyPairResponse ckpResponse = ec2Client.CreateKeyPair(newKeyRequest);
            // store the received new Key  
            newKeyPair = ckpResponse.KeyPair;
            Console.WriteLine();
            Console.WriteLine("New key: " + keyPairName);
            Console.WriteLine("fingerprint: " + newKeyPair.KeyFingerprint);
            Console.WriteLine();
            // Save the private key in a .pem file
            using (FileStream s = new FileStream(keyPairName + ".pem", FileMode.Create))
            {
                using (StreamWriter writer = new StreamWriter(s))
                {
                    writer.WriteLine(newKeyPair.KeyMaterial);
                    Console.WriteLine(newKeyPair.KeyMaterial);
                }
            }

            string secGroupId = string.Empty;
            // Create new security Group
            try
            {
                HttpStatusCode createSecGrCode = CreateSecurityGroup(ec2Client, ref secGroupId);
            }
            catch (AmazonEC2Exception ae)
            {
                if (string.Equals(ae.ErrorCode, "InvalidGroup.Duplicate", StringComparison.InvariantCulture))
                    Console.WriteLine(ae.Message);
                else throw;
            }

            // add ip ranges
            String ipSource = "0.0.0.0/0";
            List<String> ipRanges = new List<String>();
            ipRanges.Add(ipSource);

            List<IpPermission> ipPermissions = new List<IpPermission>();
            IpPermission tcpSSH = new IpPermission() { IpProtocol = "tcp", FromPort = 22, ToPort = 22, IpRanges = ipRanges };
            ipPermissions.Add(tcpSSH);
            IpPermission tcpHTTP = new IpPermission() { IpProtocol = "tcp", FromPort = 80, ToPort = 80, IpRanges = ipRanges };
            ipPermissions.Add(tcpHTTP);
            IpPermission tcpHTTPS = new IpPermission() { IpProtocol = "tcp", FromPort = 443, ToPort = 443, IpRanges = ipRanges };
            ipPermissions.Add(tcpHTTPS);
            IpPermission tcpMYSQL = new IpPermission() { IpProtocol = "tcp", FromPort = 3306, ToPort = 3306, IpRanges = ipRanges };
            ipPermissions.Add(tcpMYSQL);
            IpPermission tcpRDP = new IpPermission() { IpProtocol = "tcp", FromPort = 3389, ToPort = 3389, IpRanges = ipRanges };
            ipPermissions.Add(tcpRDP);

            try
            {
                // Authorize the ports to be used.

                AuthorizeSecurityGroupIngressRequest ipPermissionsRequest = new AuthorizeSecurityGroupIngressRequest();
                ipPermissionsRequest.IpPermissions = ipPermissions;
                ipPermissionsRequest.GroupName = SAMPLE_NAME;
                if (!string.IsNullOrEmpty(secGroupId)) {
                    ipPermissionsRequest.GroupId = secGroupId;
                }
                AuthorizeSecurityGroupIngressResponse authResp = ec2Client.AuthorizeSecurityGroupIngress(ipPermissionsRequest);
                
                Console.WriteLine("Auth SecurityGroup Request HttpStatusCode " + authResp.HttpStatusCode + " ");
                Console.WriteLine(authResp.ResponseMetadata);
            }
            catch (AmazonEC2Exception ae)
            {
                if (String.Equals(ae.ErrorCode, "InvalidPermission.Duplicate", StringComparison.InvariantCulture))
                    Console.WriteLine(ae.Message);
                else
                    throw;
            }

            // run ec2 instance request with existing or new generated keypair
            var runRequest = new RunInstancesRequest
            {
                ImageId = imageId,
                MinCount = 1,
                MaxCount = 1,
                KeyName = newKeyPair.KeyName, //keyPair.KeyName,
                IamInstanceProfile = new IamInstanceProfileSpecification { Arn = instanceProfileArn },                           
                   
                // Add the region for the S3 bucket and the name of the bucket to create
                UserData = EncodeToBase64(
                    string.Format(
                        AWSConfigSettings.POWERSHELL_S3_BUCKET_SCRIPT,
                        AWSConfigSettings.AWSRegionEndpoint.SystemName,
                        bucketName)
                    )
            };

            // add secGroupId
            if (!string.IsNullOrEmpty(secGroupId)) {
                runRequest.SecurityGroupIds.Add(secGroupId);
            }
           
            var instanceId = ec2Client.RunInstances(runRequest).Reservation.Instances[0].InstanceId;
            Console.WriteLine("Launch Instance {0}", instanceId);


            // Create the name tag
            ec2Client.CreateTags(new CreateTagsRequest
            {
                Resources = new List<string> { instanceId },
                Tags = new List<Amazon.EC2.Model.Tag> { new Amazon.EC2.Model.Tag { Key = "Name", Value = "Processor" } }
            });
            Console.WriteLine("Adding Name Tag to instance");

            // create ElastiCache Cluster
            try
            {
                Amazon.ElastiCache.AmazonElastiCacheConfig eCacheConfig = new Amazon.ElastiCache.AmazonElastiCacheConfig();
                eCacheConfig.ServiceURL = AWSConfigSettings.AWSServiceUrl;
                Amazon.ElastiCache.AmazonElastiCacheClient eCacheClient = new Amazon.ElastiCache.AmazonElastiCacheClient();
                // List<string> x = new List<string>();
                // x.Add(secGroupId);
                // Amazon.ElastiCache.Model.CreateCacheClusterRequest eCacheReq = new Amazon.ElastiCache.Model.CreateCacheClusterRequest(
                //    "cache-cluster" + SAMPLE_NAME, 2, "cache.t2.medium", "memcached", x);
                Amazon.ElastiCache.Model.CreateCacheClusterRequest eCacheReq = new Amazon.ElastiCache.Model.CreateCacheClusterRequest(
                                    "Christian", 2, "cache.t2.medium", "memcached", new List<string>());
               
                Amazon.ElastiCache.Model.CreateCacheClusterResponse eCacheResp = eCacheClient.CreateCacheCluster(eCacheReq);
                Console.WriteLine("Cache Cluster Created" + eCacheResp.HttpStatusCode.ToString());
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine();
            }

            // rds client
            Amazon.RDS.AmazonRDSConfig rdsConf = new Amazon.RDS.AmazonRDSConfig();
            rdsConf.ServiceURL = AWSConfigSettings.AWSServiceUrl;
            Amazon.RDS.AmazonRDSClient rdsClient = new Amazon.RDS.AmazonRDSClient();
           
            // create Database Cluster with aurora DB
            string dbClusterIdentifier = string.Empty;
            try
            {
                Amazon.RDS.Model.DBCluster createdCluster =
                    CreateDBClusterRDS(rdsClient, SAMPLE_NAME, "aurora", "root", SAMPLE_LONG_UNIQUE_NAME, secGroupId, ref dbClusterIdentifier);
                Console.WriteLine("Created DBCluster with Id " + createdCluster.DBClusterIdentifier);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine();
            }

            Console.WriteLine("Waiting for EC2 Instance to stop");
            // The script put in the user data will shutdown the instance when it is complete.  Wait
            // till the instance has stopped which signals the script is done so the instance can be terminated.
            Instance = null;
            var instanceDescribeRequest = new DescribeInstancesRequest { InstanceIds = new List<string> { instanceId } };
            do
            {
                Thread.Sleep(10000);
                instance = ec2Client.DescribeInstances(instanceDescribeRequest).Reservations[0].Instances[0];

                if (instance.State.Name == "stopped")
                {
                    // Demonstrate how to get the Administrator password using the keypair.
                    var passwordResponse = ec2Client.GetPasswordData(new GetPasswordDataRequest
                    {
                        InstanceId = instanceId
                    });

                    // Make sure we actually got a password
                    if (passwordResponse.PasswordData != null)
                    {
                        var password = passwordResponse.GetDecryptedPassword(newKeyPair.KeyMaterial);
                        Console.WriteLine("The Windows Administrator password is: {0}", password);
                    }
                }
            } while (instance.State.Name == "pending" || instance.State.Name == "running");


            // Terminate instance
            Console.WriteLine("Terminate Instances " + instanceId.ToString());
            ec2Client.TerminateInstances(new TerminateInstancesRequest
            {
                InstanceIds = new List<string>() { instanceId }
            });

            // Delete key pair created for sample.
            Console.WriteLine("Delete KeyPair " + newKeyPair.KeyName);
            ec2Client.DeleteKeyPair(new DeleteKeyPairRequest { KeyName = newKeyPair.KeyName });
           
            try
            {
                var s3Client = new AmazonS3Client();
                var listResponse = s3Client.ListObjects(new ListObjectsRequest
                {
                    BucketName = bucketName
                });
                if (listResponse.S3Objects.Count > 0)
                {
                    Console.WriteLine("Found results file {0} in S3 bucket {1}", listResponse.S3Objects[0].Key, bucketName);
                }

                // Delete bucket created for sample.
                AmazonS3Util.DeleteS3BucketWithObjects(s3Client, bucketName);
                Console.WriteLine("Deleted S3 bucket created for sample.");
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine();
            }

            // delete DB Cluster
            try
            {
                HttpStatusCode delClusterStatus = DeleteDBClusterRDS(rdsClient, dbClusterIdentifier);
                Console.WriteLine("Delete Cluster Request with Id " + dbClusterIdentifier + " returned " + delClusterStatus.ToString());
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine();
            }


            Thread.Sleep(1000);

            Console.WriteLine("Delete Instance Profile created for sample.");
            DeleteInstanceProfile();

            // delete Security Group

            try
            {
                HttpStatusCode delSecGroupStatus = DeleteSecurityGroup(ec2Client, secGroupId);
                Console.WriteLine("Delete SecurityGroup " + secGroupId + " returned " + delSecGroupStatus.ToString());
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine();
            }


            Console.WriteLine("Instance terminated, push enter to exit the program");
            Console.Read();

        }


        /// <summary>
        /// CreateSecurityGroup
        /// </summary>
        /// <param name="ref ec2Client"></param>
        /// <param name="secGroupId"></param>
        /// <returns>HttpStatusCode</returns>
        static HttpStatusCode CreateSecurityGroup(AmazonEC2Client ec2Client, ref string secGroupId)
        {
            CreateSecurityGroupRequest securityGroupRequest = new CreateSecurityGroupRequest();
            securityGroupRequest.GroupName = SAMPLE_NAME;
            securityGroupRequest.Description = SAMPLE_LONG_UNIQUE_NAME;
            CreateSecurityGroupResponse secRes = ec2Client.CreateSecurityGroup(securityGroupRequest);
            Console.WriteLine("Created security Group with GroupId " + secRes.GroupId);

            secGroupId = secRes.GroupId;
            Console.WriteLine(secRes.ResponseMetadata);
            return secRes.HttpStatusCode;
        }

        /// <summary>
        /// CreateDBClusterRDS
        /// </summary>
        /// <param name="rdsClient"></param>
        /// <param name="databaseName"></param>
        /// <param name="databaseEngine"></param>
        /// <param name="MasterUsername"></param>
        /// <param name="MasterUserPassword"></param>
        /// <param name="secGroupId"></param>
        /// <param name="ref dbClusterIdentifier"></param>
        /// <returns></returns>
        static Amazon.RDS.Model.DBCluster CreateDBClusterRDS(Amazon.RDS.AmazonRDSClient rdsClient,
            string databaseName,
            string databaseEngine,
            string MasterUsername,
            string MasterUserPassword,
            string secGroupId, ref string dbClusterIdentifier)
        {
            Amazon.RDS.Model.CreateDBClusterRequest createClusterReq = new Amazon.RDS.Model.CreateDBClusterRequest();
            createClusterReq.DatabaseName = databaseName;
            createClusterReq.DBClusterIdentifier = dbClusterIdentifier;
            createClusterReq.Engine = databaseEngine;
            if (!string.IsNullOrEmpty(secGroupId))
            {
                createClusterReq.VpcSecurityGroupIds.Add(secGroupId);
            }
            createClusterReq.MasterUserPassword = MasterUserPassword;
            createClusterReq.MasterUsername = MasterUsername;

            Amazon.RDS.Model.CreateDBClusterResponse createClusterResp = rdsClient.CreateDBCluster(createClusterReq);
            Amazon.RDS.Model.DBCluster createdCluster = createClusterResp.DBCluster;
            dbClusterIdentifier = createdCluster.DBClusterIdentifier;
            return createdCluster;
        }

        /// <summary>
        /// DeleteDBClusterRDS
        /// </summary>
        /// <param name="rdsClient">Amazon.RDS.AmazonRDSClient</param>
        /// <param name="dbClusterIdentifier">Identifier of RDS DatabaseCluster 2 delete</param>
        /// <returns>HttpStatusCode</returns>
        static HttpStatusCode DeleteDBClusterRDS(Amazon.RDS.AmazonRDSClient rdsClient, string dbClusterIdentifier)
        {
            if (!string.IsNullOrEmpty(dbClusterIdentifier))
            {
                throw new ArgumentException("Null or Empty DBClusterIdentifier which is needed for Amazon.RDS.Model.DeleteDBClusterRequest", "string dbClusterIdentifier");
            }
            Console.WriteLine("Deleting DeleteDBClusterRDS with identifier " + dbClusterIdentifier);
            Amazon.RDS.Model.DeleteDBClusterRequest delClusterReq = new Amazon.RDS.Model.DeleteDBClusterRequest();
            delClusterReq.DBClusterIdentifier = dbClusterIdentifier;
            Amazon.RDS.Model.DeleteDBClusterResponse delClusterResp = rdsClient.DeleteDBCluster(delClusterReq);
            return delClusterResp.HttpStatusCode;
        }

        /// <summary>
        /// DeleteSecurityGroup
        /// </summary>
        /// <param name="ec2Client">EC2Client</param>
        /// <param name="securityGroupId">Identifier of SecurityGroup 2 delete</param>
        /// <returns>HttpStatusCode</returns>
        static HttpStatusCode DeleteSecurityGroup(AmazonEC2Client ec2Client, string securityGroupId)
        {
            if (!string.IsNullOrEmpty(securityGroupId))
            {
                throw new ArgumentException("Null or Empty securityGroupId which is needed for Amazon.EC2.Model.DeleteSecurityGroupRequest", "string securityGroupId");
            }
            Console.WriteLine("Deleting SecurityGroup " + securityGroupId);
            DeleteSecurityGroupRequest delSecGroupReq = new DeleteSecurityGroupRequest();
            delSecGroupReq.GroupId = securityGroupId;
            DeleteSecurityGroupResponse delSecGroupResp = ec2Client.DeleteSecurityGroup(delSecGroupReq);
            return delSecGroupResp.HttpStatusCode;
        }

        /// <summary>
        /// Create instance profile & grant EC2 instance requesting S3 bucket
        /// </summary>
        /// <returns></returns>
        static string CreateInstanceProfile()
        {
            var roleName = SAMPLE_NAME;
            var client = new AmazonIdentityManagementServiceClient();
            client.CreateRole(new CreateRoleRequest
            {
                RoleName = roleName,
                AssumeRolePolicyDocument = @"{""Statement"":[{""Principal"":{""Service"":[""ec2.amazonaws.com""]},""Effect"":""Allow"",""Action"":[""sts:AssumeRole""]}]}"
            });

            var statement = new Amazon.Auth.AccessControlPolicy.Statement(
                Amazon.Auth.AccessControlPolicy.Statement.StatementEffect.Allow);
            statement.Actions.Add(S3ActionIdentifiers.AllS3Actions);
            statement.Resources.Add(new Resource("*"));

            var policy = new Policy();
            policy.Statements.Add(statement);

            client.PutRolePolicy(new PutRolePolicyRequest
            {
                RoleName = roleName,
                PolicyName = "S3Access",
                PolicyDocument = policy.ToJson()
            });

            var response = client.CreateInstanceProfile(new CreateInstanceProfileRequest
            {
                InstanceProfileName = roleName
            });

            client.AddRoleToInstanceProfile(new AddRoleToInstanceProfileRequest
            {
                InstanceProfileName = roleName,
                RoleName = roleName
            });

            return response.InstanceProfile.Arn;
        }

        /// <summary>
        /// Delete the instance profile created for the sample.
        /// </summary>
        static void DeleteInstanceProfile()
        {
            var roleName = SAMPLE_NAME;
            var client = new AmazonIdentityManagementServiceClient();

            client.DeleteRolePolicy(new DeleteRolePolicyRequest
            {
                RoleName = roleName,
                PolicyName = "S3Access"
            });

            client.RemoveRoleFromInstanceProfile(new RemoveRoleFromInstanceProfileRequest
            {
                InstanceProfileName = roleName,
                RoleName = roleName
            });

            client.DeleteRole(new DeleteRoleRequest
            {
                RoleName = roleName
            });

            client.DeleteInstanceProfile(new DeleteInstanceProfileRequest
            {
                InstanceProfileName = roleName
            });
        }

        static string EncodeToBase64(string str)
        {
            byte[] toEncodeAsBytes = System.Text.Encoding.UTF8.GetBytes(str);
            string returnValue = System.Convert.ToBase64String(toEncodeAsBytes);
            return returnValue;
        }
    }

    /// <summary>
    /// AWSConfigSettings Helper Facade
    /// </summary>
    internal static class AWSConfigSettings
    {      
        const string PROTO = "https://";
        const string DOMAIN = "amazonaws.com"; //amazonaws.com
        const char DOT = '.';

        /// <summary>
        /// PowerShell script for creating S3 bucket and allowing write access to it
        /// </summary>
        internal const string POWERSHELL_S3_BUCKET_SCRIPT =
             "<powershell>\n" +
                "Import-Module \"C:\\Program Files (x86)\\AWS Tools\\PowerShell\\AWSPowerShell\\AWSPowerShell.psd1\"\n" +
                "Set-DefaultAWSRegion {0}\n" +
                "New-Item C:\\Windows\\Temp -type directory\n" +
                "Add-Content -path C:\\Windows\\Temp\\s3-bucket-results.txt -value \"Results from lots of data processing\"\n" +
                "New-S3Bucket -BucketName {1}\n" +
                "Write-S3Object -BucketName {1} -File C:\\Windows\\Temp\\s3-bucket-results.txt -Key results.txt\n" +
                "shutdown.exe /s\n" +
            "</powershell>";
      
        /// <summary>
        /// Gets AWSAppSettings from Configuration
        /// </summary>
        internal static NameValueCollection AWSAppSettings
        {
            get {
                return System.Configuration.ConfigurationManager.AppSettings;
            }
        }

        /// <summary>
        /// Gets value stored at AWSAppSettings[key]
        /// </summary>
        /// <param name="key">key string from KeyValuePair of Configuration AppSettings</param>
        /// <returns>value string</returns>
        internal static string AWSConfigGetKey(string key)
        {
            string awsValue = null;
            foreach (var nextKey in AWSConfigSettings.AWSAppSettings.Keys)
            {
                if (nextKey.ToString() == key)
                {
                    awsValue = AWSConfigSettings.AWSAppSettings.Get(key);
                    if (!string.IsNullOrEmpty(awsValue))
                    {
                        return awsValue;
                    }
                    throw new ConfigurationErrorsException(
                        String.Format("AWSConfigSettings.AWSAppSettings[\"{0}\"] returns null or void Value", key),
                        new NullReferenceException(String.Format("AWSConfigSettings.AWSAppSettings[\"{0}\"] is \'\\0\' || \"\"", key))
                    );
                }
            }

            throw new ConfigurationErrorsException(
                String.Format("AWSConfigSettings.AWSAppSettings[\"{0}\"] contains no key {1} not found inside <configuration>[...]<appSettings>[...]", key, key),
                new NullReferenceException(String.Format("AWSConfigSettings.AWSAppSettings[\"{0}\"] is \'\\0\' (null)", key))
                );
        }

        /// <summary>
        /// Gets AWSProfileName from ConfigSettings
        /// </summary>
        public static string AWSProfileName
        {
            get {
                return AWSConfigSettings.AWSConfigGetKey("AWSProfileName");
            }
        }

        /// <summary>
        /// Gets AWSRegion from ConfigSettings
        /// </summary>
        public static string AWSRegion
        {
            get
            {
                string region = "eu-central-1";
                try
                {
                    region = AWSConfigSettings.AWSConfigGetKey("AWSRegion");
                }
                catch (Exception)
                {
                    region = "ap-southeast-2";
                }
                return region;
            }
        }

        /// <summary>
        /// Gets Amazon.RegionEndpoint from ConfigSettings
        /// </summary>
        public static Amazon.RegionEndpoint AWSRegionEndpoint
        {
            get {
                string compareRegion = AWSConfigSettings.AWSRegion.Replace("_", string.Empty).ToLower();
                foreach (Amazon.RegionEndpoint endpoint in Amazon.RegionEndpoint.EnumerableAllRegions)
                {
                    if ((endpoint.DisplayName.ToLower() == AWSConfigSettings.AWSRegion.Replace("_", string.Empty).ToLower()) ||
                        (endpoint.SystemName.ToLower() == AWSConfigSettings.AWSRegion.Replace("_", string.Empty).ToLower()) ||
                        (endpoint.ToString().ToLower() == AWSConfigSettings.AWSRegion.Replace("_", string.Empty).ToLower()))
                    {
                        return endpoint;
                    }
                }
                return Amazon.RegionEndpoint.EUWest1;
            }
        }

        /// <summary>
        /// Gets AWSServiceUrl from ConfigSettings
        /// </summary>
        public static String AWSServiceUrl
        {
            get {
                string serviceUrl = String.Concat(
                    PROTO.ToString(),
                    AWSConfigSettings.AWSRegion,
                    ((DOMAIN[0] != DOT) ? DOT.ToString() : string.Empty),
                    DOMAIN.ToString()
                    );
                return serviceUrl;
            }
        }

        /// <summary>
        /// Gets AWSServiceUri from ConfigSettings
        /// </summary>
        public static Uri AWSServiceUri
        {
            get {
                return (new Uri(AWSConfigSettings.AWSServiceUrl, UriKind.Absolute));
            }
        }

        /// <summary>
        /// Gets AWSSamplePrefix from Configuration
        /// </summary>
        public static string AWSSamplePrefix
        {
            get
            {
                return AWSConfigSettings.AWSConfigGetKey("AWSSamplePrefix");
            }

        }

        /// <summary>
        /// Gets AWSAccessKey from Configuration
        /// </summary>
        public static string AWSAccessKey
        {
            get {
                return AWSConfigSettings.AWSConfigGetKey("AWSAccessKey");
            }
        }

        /// <summary>
        /// Gets AWSSecretKey from Configuration
        /// </summary>
        public static string AWSSecretKey
        {
            get
            {
                return AWSConfigSettings.AWSConfigGetKey("AWSSecretKey");
            }
        }

    }

}



Ҁ and ү.