asp.net-mvc-3 - 关于 DotNetOpenAuth.IEmbeddedResourceRetrieval 和 Razor View 抛出的 InvalidOperationException

Question

当我的 Razor View 调用 @Html.OpenIdSelector(... 时我收到了 InvalidOperationException :

The current IHttpHandler is not one of types: System.Web.UI.Page, DotNetOpenAuth.IEmbeddedResourceRetrieval. An embedded resource URL provider must be set in your .config file.

我到底应该在 config 中设置什么？文件？

Answer 1

刚刚NuGet DotNetOpenAuth包裹。它会在你的配置文件中设置你需要的一切:

右键单击 References解决方案资源管理器中的 Web 项目

Add Library Package Reference...

点击 Online标签。

在搜索框中输入 dotnetopenauth

点击Install

一切都将自动设置，正确的程序集将从 Internet 下载并添加为引用。
web.config 是这样的执行此操作后文件如下所示:

<?xml version="1.0" encoding="utf-8"?>
<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=152368
  -->
<configuration>
  <configSections>
    <section name="uri" type="System.Configuration.UriSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
    <section name="dotNetOpenAuth" type="DotNetOpenAuth.Configuration.DotNetOpenAuthSection" requirePermission="false" allowLocation="true" />
  </configSections>
  <connectionStrings>
    <add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient" />
  </connectionStrings>
  <appSettings>
    <add key="ClientValidationEnabled" value="true" />
    <add key="UnobtrusiveJavaScriptEnabled" value="true" />
  </appSettings>
  <system.web>
    <compilation debug="true" targetFramework="4.0">
      <assemblies>
        <add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      </assemblies>
    </compilation>
    <authentication mode="Forms">
      <forms loginUrl="~/Account/LogOn" timeout="2880" />
    </authentication>
    <membership>
      <providers>
        <clear />
        <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" applicationName="/" />
      </providers>
    </membership>
    <profile>
      <providers>
        <clear />
        <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/" />
      </providers>
    </profile>
    <roleManager enabled="false">
      <providers>
        <clear />
        <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />
        <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />
      </providers>
    </roleManager>
    <pages>
      <namespaces>
        <add namespace="System.Web.Helpers" />
        <add namespace="System.Web.Mvc" />
        <add namespace="System.Web.Mvc.Ajax" />
        <add namespace="System.Web.Mvc.Html" />
        <add namespace="System.Web.Routing" />
        <add namespace="System.Web.WebPages" />
      </namespaces>
    </pages>
  </system.web>
  <system.webServer>
    <validation validateIntegratedModeConfiguration="false" />
    <modules runAllManagedModulesForAllRequests="true" />
  </system.webServer>
  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>
        <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
        <bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="3.0.0.0" />
        <bindingRedirect oldVersion="1.0.0.0" newVersion="2.0.0.0" />
      </dependentAssembly>
    </assemblyBinding>
    <legacyHMACWarning enabled="0" />
  </runtime>
  <uri>
    <!-- The uri section is necessary to turn on .NET 3.5 support for IDN (international domain names),
         which is necessary for OpenID urls with unicode characters in the domain/host name. 
         It is also required to put the Uri class into RFC 3986 escaping mode, which OpenID and OAuth require. -->
    <idn enabled="All" />
    <iriParsing enabled="true" />
  </uri>
  <system.net>
    <defaultProxy enabled="true" />
    <settings>
      <!-- This setting causes .NET to check certificate revocation lists (CRL) 
                 before trusting HTTPS certificates.  But this setting tends to not 
                 be allowed in shared hosting environments. -->
      <!--<servicePointManager checkCertificateRevocationList="true"/>-->
    </settings>
  </system.net>
  <dotNetOpenAuth>
    <!-- This is an optional configuration section where aspects of dotnetopenauth can be customized. -->
    <!-- For a complete set of configuration options see http://www.dotnetopenauth.net/developers/code-snippets/configuration-options/ -->
    <openid>
      <relyingParty>
        <security requireSsl="false" />
        <behaviors>
          <!-- The following OPTIONAL behavior allows RPs to use SREG only, but be compatible
                         with OPs that use Attribute Exchange (in various formats). -->
          <add type="DotNetOpenAuth.OpenId.Behaviors.AXFetchAsSregTransform, DotNetOpenAuth" />
        </behaviors>
      </relyingParty>
    </openid>
    <messaging>
      <untrustedWebRequest>
        <whitelistHosts>
          <!-- Uncomment to enable communication with localhost (should generally not activate in production!) -->
          <!--<add name="localhost" />-->
        </whitelistHosts>
      </untrustedWebRequest>
    </messaging>
    <!-- Allow DotNetOpenAuth to publish usage statistics to library authors to improve the library. -->
    <reporting enabled="true" />
  </dotNetOpenAuth>
</configuration>

更新:

您可以实现自定义资源检索提供程序:

public class CustomResourceProvider : IEmbeddedResourceRetrieval
{
    public Uri GetWebResourceUrl(Type someTypeInResourceAssembly, string manifestResourceName)
    {
        return new Uri("http://www.google.com");
    }
}

然后在 web.config注册:

<dotNetOpenAuth>
    <webResourceUrlProvider type="AppName.CustomResourceProvider, AppName" />
    ...
</dotNetOpenAuth>

但我建议您使用 openid-selector用于生成登录表单的库。