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balaonline25082021: modified the files to work behind corporate proxy #103

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balaonline25082021: modified the files to work behind corporate proxy #103

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228 changes: 137 additions & 91 deletions TaskService/App_Start/OpenIdConnectCachingSecurityTokenProvider.cs
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Original file line number Diff line number Diff line change
@@ -1,91 +1,137 @@
using Microsoft.IdentityModel.Protocols;
using Microsoft.IdentityModel.Protocols.OpenIdConnect;
using Microsoft.IdentityModel.Tokens;
using Microsoft.Owin.Security.Jwt;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;

namespace TaskService.App_Start
{
// This class is necessary because the OAuthBearer Middleware does not leverage
// the OpenID Connect metadata endpoint exposed by the STS by default.
public class OpenIdConnectCachingSecurityTokenProvider : IIssuerSecurityKeyProvider
{
public ConfigurationManager<OpenIdConnectConfiguration> _configManager;
private string _issuer;
private IEnumerable<SecurityKey> _keys;
private readonly string _metadataEndpoint;

private readonly ReaderWriterLockSlim _synclock = new ReaderWriterLockSlim();

public OpenIdConnectCachingSecurityTokenProvider(string metadataEndpoint)
{
_metadataEndpoint = metadataEndpoint;
_configManager = new ConfigurationManager<OpenIdConnectConfiguration>(metadataEndpoint, new OpenIdConnectConfigurationRetriever());

RetrieveMetadata();
}

/// <summary>
/// Gets the issuer the credentials are for.
/// </summary>
/// <value>
/// The issuer the credentials are for.
/// </value>
public string Issuer
{
get
{
RetrieveMetadata();
_synclock.EnterReadLock();
try
{
return _issuer;
}
finally
{
_synclock.ExitReadLock();
}
}
}

/// <summary>
/// Gets all known security keys.
/// </summary>
/// <value>
/// All known security keys.
/// </value>
public IEnumerable<SecurityKey> SecurityKeys
{
get
{
RetrieveMetadata();
_synclock.EnterReadLock();
try
{
return _keys;
}
finally
{
_synclock.ExitReadLock();
}
}
}

private void RetrieveMetadata()
{
_synclock.EnterWriteLock();
try
{
OpenIdConnectConfiguration config = Task.Run(_configManager.GetConfigurationAsync).Result;
_issuer = config.Issuer;
_keys = config.SigningKeys;
}
finally
{
_synclock.ExitWriteLock();
}
}
}
}
using Microsoft.IdentityModel.Protocols;
using Microsoft.IdentityModel.Protocols.OpenIdConnect;
using Microsoft.IdentityModel.Tokens;
using Microsoft.Owin.Security.Jwt;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace TaskService.App_Start
{
// This class is necessary because the OAuthBearer Middleware does not leverage
// the OpenID Connect metadata endpoint exposed by the STS by default.
public class OpenIdConnectCachingSecurityTokenProvider : IIssuerSecurityKeyProvider
{
public ConfigurationManager<OpenIdConnectConfiguration> _configManager;
private string _issuer;
private IEnumerable<SecurityKey> _keys;
private readonly string _metadataEndpoint;

private readonly ReaderWriterLockSlim _synclock = new ReaderWriterLockSlim();

private static HttpClient _httpClient;

public class MyProxy : IWebProxy
{
public ICredentials Credentials
{
//get { return new NetworkCredential("user", "password"); }
get { return new NetworkCredential(ConfigurationManager.AppSettings["ProxyUsername"], ConfigurationManager.AppSettings["ProxyPassword"], ConfigurationManager.AppSettings["ProxyDomain"]); }
set { }
}

public Uri GetProxy(Uri destination)
{
return new Uri(ConfigurationManager.AppSettings["ProxyServerUrl"]);
}

public bool IsBypassed(Uri host)
{
return false;
}
}

private static void CreateHttpClient()
{
var config = new HttpClientHandler
{
UseProxy = true,
Proxy = new MyProxy()
};

//then you can simply pass the config to HttpClient
_httpClient = new HttpClient(config);
}

public OpenIdConnectCachingSecurityTokenProvider(string metadataEndpoint)
{
if (_httpClient == null)
{
// It's best* to create a single HttpClient and reuse it
CreateHttpClient();
}
_metadataEndpoint = metadataEndpoint;
//_configManager = new ConfigurationManager<OpenIdConnectConfiguration>(metadataEndpoint, new OpenIdConnectConfigurationRetriever());
_configManager = new ConfigurationManager<OpenIdConnectConfiguration>(metadataEndpoint, new OpenIdConnectConfigurationRetriever(), _httpClient);


RetrieveMetadata();
}

/// <summary>
/// Gets the issuer the credentials are for.
/// </summary>
/// <value>
/// The issuer the credentials are for.
/// </value>
public string Issuer
{
get
{
RetrieveMetadata();
_synclock.EnterReadLock();
try
{
return _issuer;
}
finally
{
_synclock.ExitReadLock();
}
}
}

/// <summary>
/// Gets all known security keys.
/// </summary>
/// <value>
/// All known security keys.
/// </value>
public IEnumerable<SecurityKey> SecurityKeys
{
get
{
RetrieveMetadata();
_synclock.EnterReadLock();
try
{
return _keys;
}
finally
{
_synclock.ExitReadLock();
}
}
}

private void RetrieveMetadata()
{
_synclock.EnterWriteLock();
try
{
OpenIdConnectConfiguration config = Task.Run(_configManager.GetConfigurationAsync).Result;
_issuer = config.Issuer;
_keys = config.SigningKeys;
}
finally
{
_synclock.ExitWriteLock();
}
}
}
}
11 changes: 10 additions & 1 deletion TaskService/Web.config
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,13 @@
<!-- The following settings is used for requesting access tokens -->
<add key="api:ReadScope" value="read" />
<add key="api:WriteScope" value="write" />

<!-- Replace the following with your proxy server's settings -->
<add key="ProxyServerUrl" value="http://contoso:8080"/>
<add key="ProxyUsername" value="******"/>
<add key="ProxyDomain" value="****"/>
<add key="ProxyPassword" value="******"/>

</appSettings>
<!--
For a description of web.config changes see http://go.microsoft.com/fwlink/?LinkId=235367.
Expand Down Expand Up @@ -104,4 +111,6 @@
<remove name="TRACEVerbHandler" />
<add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
</handlers>
</system.webServer></configuration>
</system.webServer>

</configuration>
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