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Working demo of authentication using OpenId via DotNetOpenAuth
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‎openId.wrapdesc

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name: openId
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depends: openwrap anchored content
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depends: nunit
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depends: dotnetopenauth
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depends: jquery
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depends: log4net
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depends: castle.core
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depends: castle.windsor

‎src/OpenIdDemo.AuthenticationProviders.OpenId/AuthenticationRequest.cs

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namespace OpenIdDemo.AuthenticationProviders.OpenId
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{
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public class AuthenticationRequest : Interfaces.IAuthenticationRequest
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{
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public AuthenticationRequest(string url)
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{
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Url = url;
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}
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public string Url { get; protected set; }
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}
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}

‎src/OpenIdDemo.AuthenticationProviders.OpenId/AuthenticationResponse.cs

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namespace OpenIdDemo.AuthenticationProviders.OpenId
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{
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Web.Mvc;
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using DotNetOpenAuth.OpenId.RelyingParty;
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public class AuthenticationResponse : Interfaces.IAuthenticationResponse
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{
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public AuthenticationResponse(Interfaces.OpenIdAuthenticationState state)
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{
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State = state;
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}
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public AuthenticationResponse(ActionResult authenticatingActionResult)
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{
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State = Interfaces.OpenIdAuthenticationState.Authenticating;
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AuthenticatingActionResult = authenticatingActionResult;
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}
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public ActionResult AuthenticatingActionResult { get; protected set; }
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public Interfaces.OpenIdAuthenticationState State { get; protected set; }
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public Interfaces.IUserIdentity UserIdentity { get; protected set; }
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}
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}

‎src/OpenIdDemo.AuthenticationProviders.OpenId/OpenIdAuthenticationProvider.cs

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namespace OpenIdDemo.AuthenticationProviders.OpenId
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{
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using DotNetOpenAuth.Messaging;
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using DotNetOpenAuth.OpenId;
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using DotNetOpenAuth.OpenId.Extensions.AttributeExchange;
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using DotNetOpenAuth.OpenId.RelyingParty;
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using log4net;
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public class OpenIdAuthenticationProvider : Interfaces.IOpenIdAuthenticationProvider
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{
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public OpenIdAuthenticationProvider(Interfaces.IFactory factory)
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{
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_factory = factory;
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}
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public Interfaces.IAuthenticationResponse Authenticate(Interfaces.IAuthenticationRequest request)
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{
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var response = _openIdRelyingParty.GetResponse();
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if (response == null)
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{
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return RequestAuthentication(request);
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}
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return GetUserIdentity(response);
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}
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#region Private
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static private readonly OpenIdRelyingParty _openIdRelyingParty = new OpenIdRelyingParty();
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ILog _logger;
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Interfaces.IFactory _factory;
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private Interfaces.IAuthenticationResponse GetUserIdentity(IAuthenticationResponse response)
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{
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var identifier = response.ClaimedIdentifier;
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var fetch = response.GetExtension<FetchResponse>();
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Interfaces.IUserIdentity userIdentity = (fetch == null)
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? null
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: new UserIdentity(response.ClaimedIdentifier.ToString(),
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fetch.GetAttributeValue(WellKnownAttributes.Name.First),
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fetch.GetAttributeValue(WellKnownAttributes.Name.Last),
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fetch.GetAttributeValue(WellKnownAttributes.Contact.Email));
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return _factory.AuthenticationResponse(userIdentity);
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}
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private Interfaces.IAuthenticationResponse RequestAuthentication(Interfaces.IAuthenticationRequest request)
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{
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Identifier id;
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if (!Identifier.TryParse(request.Url, out id))
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{
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_logger.Info(string.Format("OpenID Error...invalid url. url='{0}'", request.Url));
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return _factory.AuthenticationResponse(Interfaces.OpenIdAuthenticationState.Errored);
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}
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try
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{
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var authenticationRequest = _openIdRelyingParty.CreateRequest(request.Url);
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var fetch = new FetchRequest();
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fetch.Attributes.AddRequired(WellKnownAttributes.Contact.Email);
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fetch.Attributes.AddRequired(WellKnownAttributes.Name.First);
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fetch.Attributes.AddRequired(WellKnownAttributes.Name.Last);
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authenticationRequest.AddExtension(fetch);
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return _factory.AuthenticationResponse(authenticationRequest.RedirectingResponse.AsActionResult());
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}
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catch (ProtocolException ex)
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{
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_logger.Error("OpenID Exception...", ex);
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return _factory.AuthenticationResponse(Interfaces.OpenIdAuthenticationState.Errored);
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}
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}
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#endregion
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}
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}

‎src/OpenIdDemo.AuthenticationProviders.OpenId/OpenIdDemo.AuthenticationProviders.OpenId.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{FB86ED44-2C34-4F9E-AAFC-03BEDDD22065}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>OpenIdDemo.AuthenticationProviders.OpenId</RootNamespace>
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<AssemblyName>OpenIdDemo.AuthenticationProviders.OpenId</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="AuthenticationRequest.cs" />
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<Compile Include="AuthenticationResponse.cs" />
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<Compile Include="OpenIdAuthenticationProvider.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="UserIdentity.cs" />
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</ItemGroup>
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<Import Project="..\..\wraps\openwrap\build\OpenWrap.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

‎src/OpenIdDemo.AuthenticationProviders.OpenId/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("OpenIdDemo.AuthenticationProviders.OpenId")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("OpenIdDemo.AuthenticationProviders.OpenId")]
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[assembly: AssemblyCopyright("Copyright © 2011")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("98bd5b56-4953-451c-8390-ce336118f53d")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎src/OpenIdDemo.AuthenticationProviders.OpenId/UserIdentity.cs

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namespace OpenIdDemo.AuthenticationProviders.OpenId
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{
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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public class UserIdentity : Interfaces.IUserIdentity
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{
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public UserIdentity(string identifier, string firstName, string lastName, string emailAddress)
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{
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Identifier = identifier;
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FirstName = firstName;
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LastName = lastName;
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EmailAddress = emailAddress;
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}
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public string Identifier { get; protected set; }
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public string FirstName { get; protected set; }
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public string LastName { get; protected set; }
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public string EmailAddress { get; protected set; }
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}
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}

‎src/OpenIdDemo.AuthenticationProviders.OpenId/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache

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‎src/OpenIdDemo.AuthenticationProviders/OpenId/AuthenticationProvider.cs

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namespace OpenIdDemo.AuthenticationProviders.OpenId
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{
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
7+
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using DotNetOpenAuth.Messaging;
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using DotNetOpenAuth.OpenId;
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using DotNetOpenAuth.OpenId.Extensions.AttributeExchange;
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using DotNetOpenAuth.OpenId.RelyingParty;
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using log4net;
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public class AuthenticationProvider : Interfaces.IAuthenticationProvider
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{
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public AuthenticationProvider(Interfaces.IFactory factory, OpenIdRelyingParty openIdRelyingParty)
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{
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Factory = factory;
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_openIdRelyingParty = openIdRelyingParty;
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}
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public Interfaces.IFactory Factory { get; protected set; }
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public Interfaces.IAuthenticationResponse Authenticate(Interfaces.IAuthenticationRequest request)
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{
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var response = _openIdRelyingParty.GetResponse();
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if (response == null)
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{
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return RequestAuthentication(request);
32+
}
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return GetUserIdentity(response);
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}
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#region Private
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private readonly OpenIdRelyingParty _openIdRelyingParty;
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ILog _logger;
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private Interfaces.IAuthenticationResponse GetUserIdentity(IAuthenticationResponse response)
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{
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var identifier = response.ClaimedIdentifier;
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var fetch = response.GetExtension<FetchResponse>();
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Interfaces.IUserIdentity userIdentity = (fetch == null)
47+
? null
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: Factory.GetUserIdentity(response.ClaimedIdentifier.ToString(),
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fetch.GetAttributeValue(WellKnownAttributes.Name.First),
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fetch.GetAttributeValue(WellKnownAttributes.Name.Last),
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fetch.GetAttributeValue(WellKnownAttributes.Contact.Email));
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return Factory.AuthenticationResponse(userIdentity);
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}
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private Interfaces.IAuthenticationResponse RequestAuthentication(Interfaces.IAuthenticationRequest request)
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{
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Identifier id;
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if (!Identifier.TryParse(request.Url, out id))
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{
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_logger.Info(string.Format("OpenID Error...invalid url. url='{0}'", request.Url));
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return Factory.AuthenticationResponse(Interfaces.AuthenticationState.Errored);
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}
64+
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try
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{
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var authenticationRequest = _openIdRelyingParty.CreateRequest(request.Url);
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var fetch = new FetchRequest();
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fetch.Attributes.AddRequired(WellKnownAttributes.Contact.Email);
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fetch.Attributes.AddRequired(WellKnownAttributes.Name.First);
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fetch.Attributes.AddRequired(WellKnownAttributes.Name.Last);
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authenticationRequest.AddExtension(fetch);
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var actionResult = authenticationRequest.RedirectingResponse.AsActionResult();
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return Factory.AuthenticationResponse(actionResult);
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}
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catch (ProtocolException ex)
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{
79+
_logger.Error("OpenID Exception...", ex);
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return Factory.AuthenticationResponse(Interfaces.AuthenticationState.Errored);
81+
}
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}
83+
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#endregion
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}
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}

‎src/OpenIdDemo.AuthenticationProviders/OpenId/AuthenticationRequest.cs

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namespace OpenIdDemo.AuthenticationProviders.OpenId
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{
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public class AuthenticationRequest : Interfaces.IAuthenticationRequest
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{
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public AuthenticationRequest(string url)
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{
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Url = url;
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}
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public string Url { get; protected set; }
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}
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}

‎src/OpenIdDemo.AuthenticationProviders/OpenId/AuthenticationResponse.cs

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namespace OpenIdDemo.AuthenticationProviders.OpenId
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{
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using System;
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using System.Collections.Generic;
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using System.Linq;
6+
using System.Text;
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using System.Web.Mvc;
8+
9+
using DotNetOpenAuth.OpenId.RelyingParty;
10+
11+
public class AuthenticationResponse : Interfaces.IAuthenticationResponse
12+
{
13+
public AuthenticationResponse(Interfaces.AuthenticationState state)
14+
{
15+
State = state;
16+
}
17+
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public AuthenticationResponse(ActionResult authenticatingActionResult)
19+
{
20+
State = Interfaces.AuthenticationState.Authenticating;
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AuthenticatingActionResult = authenticatingActionResult;
22+
}
23+
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public AuthenticationResponse(Interfaces.IUserIdentity userIdentity)
25+
{
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State = Interfaces.AuthenticationState.Authenticated;
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UserIdentity = userIdentity;
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}
29+
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public ActionResult AuthenticatingActionResult { get; protected set; }
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public Interfaces.AuthenticationState State { get; protected set; }
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public Interfaces.IUserIdentity UserIdentity { get; protected set; }
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}
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}

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