android - 从 android 发送 oauth token 导致 KeyNotFoundException

标签 android wcf soap dotnetopenauth

我们目前正在开发一个应用程序，该应用程序使用 DotNetOpenAuth 库通过 OAuth 保护 wcf SOAP 网络服务。整个事情在 IIS7 上运行。 Web 服务和 DotNetOpenAuth 库运行平稳，至少在 PC 上运行时是这样。然而，从 Android 平台调用该服务会导致一些问题。有时它会运行得很好，有时它会导致异常，提示“序列不包含任何元素”。

不幸的是我没有所有的细节，因为我自己实际上没有可用的 android。然而，在阅读我的同事创建的日志文件时，有几件事很突出。

Windows 事件日志表明这是一个 KeyNotFoundException，这是因为 token 被识别( token ，事实上， 存在于数据库中，所以这不应该发生 - 我已经检查)。

此外，真正有趣的是，只有在 oauth_token 参数中出现 + 或/符号时才会发生此异常。我有点倾向于认为这是一个编码问题，其中两个字符没有正确编码。检查 Windows 事件日志时，只要 oauth_token 参数包含 + 或/，它就会被空格替换。但是我不知道这是在哪里编码的，为什么这两个字符被空格替换，现在最重要的是，如何修复它。

我还启用了 log4net 日志记录，这表明 oauth_token 变量与数据库中的内容相同。但是，它确实显示构造的签名基本字符串包含 oauth_token，只有/字符被替换为 %252F。然而，再往下几行，oauth_token 变量单独显示(即不作为基本字符串的一部分，而是在变量摘要中)，并且/实际上显示为/。

如果您能就此问题提供任何帮助，我们将不胜感激。

编辑

从 log4net 检索的日志

2012-05-18 13:05:21,588 (GMT+2) [5] DEBUG DotNetOpenAuth.Messaging.Channel - Preparing to send UnauthorizedTokenResponse (1.0.1) message.
  2012-05-18 13:05:22,099 (GMT+2) [5] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.OAuth.ChannelElements.TokenHandlingBindingElement applied to message.
  2012-05-18 13:05:22,100 (GMT+2) [5] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.OAuth.ChannelElements.OAuthHttpMethodBindingElement did not apply to message.
2012-05-18 13:05:22,102 (GMT+2) [5] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.Messaging.Bindings.StandardReplayProtectionBindingElement did not apply to message.
2012-05-18 13:05:22,104 (GMT+2) [5] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.Messaging.Bindings.StandardExpirationBindingElement did not apply to message.
2012-05-18 13:05:22,109 (GMT+2) [5] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.OAuth.ChannelElements.SigningBindingElementChain did not apply to message.
2012-05-18 13:05:22,113 (GMT+2) [5] INFO  DotNetOpenAuth.Messaging.Channel - Prepared outgoing UnauthorizedTokenResponse (1.0.1) message for <response>: 
    oauth_token: LgelzDbE0hd8Z+HrRQWD63SzNA8=
    oauth_token_secret: eK1sVTQvF6LrHqrtDGXe4LpLunI=
    oauth_callback_confirmed: true

2012-05-18 13:05:22,113 (GMT+2) [5] DEBUG DotNetOpenAuth.Messaging.Channel - Sending message: UnauthorizedTokenResponse
2012-05-18 13:05:22,463 (GMT+2) [5] INFO  DotNetOpenAuth.Messaging.Channel - Scanning incoming request for messages: https://websrv.hszuyd.nl/serviceprovider/v2/OAuth.ashx?oauth_token=LgelzDbE0hd8Z+HrRQWD63SzNA8=
2012-05-18 13:05:22,996 (GMT+2) [5] ERROR DotNetOpenAuth.OAuthServiceProvider - An unhandled exception occurred in ASP.NET processing: DotNetOpenAuth.Messaging.ProtocolException: A token in the message was not recognized by the service provider. ---> System.Collections.Generic.KeyNotFoundException: Unrecognized token ---> System.InvalidOperationException: Sequence contains no elements
   at System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult)
   at System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries)
   at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query)
   at System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute[TResult](Expression expression)
   at System.Linq.Queryable.First[TSource](IQueryable`1 source, Expression`1 predicate)
   at OAuthServiceProvider.Code.DatabaseTokenManager.GetRequestToken(String token) in C:\Program Files\TimeTableWebService\sp\Code\DatabaseTokenManager.cs:line 31
   --- End of inner exception stack trace ---
   at OAuthServiceProvider.Code.DatabaseTokenManager.GetRequestToken(String token) in C:\Program Files\TimeTableWebService\sp\Code\DatabaseTokenManager.cs:line 35
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthServiceProviderMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthServiceProviderMessageFactory.cs:line 80
   --- End of inner exception stack trace ---
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthServiceProviderMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthServiceProviderMessageFactory.cs:line 100
   at OAuthServiceProvider.Code.CustomOAuthMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in C:\Program Files\TimeTableWebService\sp\Code\CustomOAuthTypeProvider.cs:line 24
   at DotNetOpenAuth.Messaging.Channel.Receive(Dictionary`2 fields, MessageReceivingEndpoint recipient) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\Messaging\Channel.cs:line 713
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthChannel.ReadFromRequestCore(HttpRequestInfo request) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthChannel.cs:line 194
   at DotNetOpenAuth.Messaging.Channel.ReadFromRequest(HttpRequestInfo httpRequest) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\Messaging\Channel.cs:line 422
   at OAuth.ProcessRequest(HttpContext context) in d:\oauthSiteTest\serviceprovider\v2\OAuth.ashx:line 21
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
DotNetOpenAuth.Messaging.ProtocolException: A token in the message was not recognized by the service provider. ---> System.Collections.Generic.KeyNotFoundException: Unrecognized token ---> System.InvalidOperationException: Sequence contains no elements
   at System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult)
   at System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries)
   at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query)
   at System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute[TResult](Expression expression)
   at System.Linq.Queryable.First[TSource](IQueryable`1 source, Expression`1 predicate)
   at OAuthServiceProvider.Code.DatabaseTokenManager.GetRequestToken(String token) in C:\Program Files\TimeTableWebService\sp\Code\DatabaseTokenManager.cs:line 31
   --- End of inner exception stack trace ---
   at OAuthServiceProvider.Code.DatabaseTokenManager.GetRequestToken(String token) in C:\Program Files\TimeTableWebService\sp\Code\DatabaseTokenManager.cs:line 35
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthServiceProviderMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthServiceProviderMessageFactory.cs:line 80
   --- End of inner exception stack trace ---
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthServiceProviderMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthServiceProviderMessageFactory.cs:line 100
   at OAuthServiceProvider.Code.CustomOAuthMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in C:\Program Files\TimeTableWebService\sp\Code\CustomOAuthTypeProvider.cs:line 24
   at DotNetOpenAuth.Messaging.Channel.Receive(Dictionary`2 fields, MessageReceivingEndpoint recipient) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\Messaging\Channel.cs:line 713
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthChannel.ReadFromRequestCore(HttpRequestInfo request) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthChannel.cs:line 194
   at DotNetOpenAuth.Messaging.Channel.ReadFromRequest(HttpRequestInfo httpRequest) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\Messaging\Channel.cs:line 422
   at OAuth.ProcessRequest(HttpContext context) in d:\oauthSiteTest\serviceprovider\v2\OAuth.ashx:line 21
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)


2012-05-18 13:05:27,382 (GMT+2) [6] DEBUG DotNetOpenAuth.Messaging.Channel - Preparing to send UnauthorizedTokenResponse (1.0.1) message.
2012-05-18 13:05:27,430 (GMT+2) [6] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.OAuth.ChannelElements.TokenHandlingBindingElement applied to message.
2012-05-18 13:05:27,430 (GMT+2) [6] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.OAuth.ChannelElements.OAuthHttpMethodBindingElement did not apply to message.
2012-05-18 13:05:27,430 (GMT+2) [6] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.Messaging.Bindings.StandardReplayProtectionBindingElement did not apply to message.
2012-05-18 13:05:27,430 (GMT+2) [6] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.Messaging.Bindings.StandardExpirationBindingElement did not apply to message.
2012-05-18 13:05:27,430 (GMT+2) [6] DEBUG DotNetOpenAuth.Messaging.Bindings - Binding element DotNetOpenAuth.OAuth.ChannelElements.SigningBindingElementChain did not apply to message.
2012-05-18 13:05:27,430 (GMT+2) [6] INFO  DotNetOpenAuth.Messaging.Channel - Prepared outgoing UnauthorizedTokenResponse (1.0.1) message for <response>: 
    oauth_token: tdKwMhsNOyQPTiz+K5th/RZr0F8=
    oauth_token_secret: UtfdLNG0VqrTGinchsNfjbyFBtE=
    oauth_callback_confirmed: true

2012-05-18 13:05:27,430 (GMT+2) [6] DEBUG DotNetOpenAuth.Messaging.Channel - Sending message: UnauthorizedTokenResponse
2012-05-18 13:05:27,503 (GMT+2) [6] INFO  DotNetOpenAuth.Messaging.Channel - Scanning incoming request for messages: https://websrv.hszuyd.nl/serviceprovider/v2/OAuth.ashx?oauth_token=tdKwMhsNOyQPTiz+K5th/RZr0F8=
2012-05-18 13:05:27,512 (GMT+2) [6] ERROR DotNetOpenAuth.OAuthServiceProvider - An unhandled exception occurred in ASP.NET processing: DotNetOpenAuth.Messaging.ProtocolException: A token in the message was not recognized by the service provider. ---> System.Collections.Generic.KeyNotFoundException: Unrecognized token ---> System.InvalidOperationException: Sequence contains no elements
   at System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult)
   at System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries)
   at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query)
   at System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute[TResult](Expression expression)
   at System.Linq.Queryable.First[TSource](IQueryable`1 source, Expression`1 predicate)
   at OAuthServiceProvider.Code.DatabaseTokenManager.GetRequestToken(String token) in C:\Program Files\TimeTableWebService\sp\Code\DatabaseTokenManager.cs:line 31
   --- End of inner exception stack trace ---
   at OAuthServiceProvider.Code.DatabaseTokenManager.GetRequestToken(String token) in C:\Program Files\TimeTableWebService\sp\Code\DatabaseTokenManager.cs:line 35
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthServiceProviderMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthServiceProviderMessageFactory.cs:line 80
   --- End of inner exception stack trace ---
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthServiceProviderMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthServiceProviderMessageFactory.cs:line 100
   at OAuthServiceProvider.Code.CustomOAuthMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in C:\Program Files\TimeTableWebService\sp\Code\CustomOAuthTypeProvider.cs:line 24
   at DotNetOpenAuth.Messaging.Channel.Receive(Dictionary`2 fields, MessageReceivingEndpoint recipient) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\Messaging\Channel.cs:line 713
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthChannel.ReadFromRequestCore(HttpRequestInfo request) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthChannel.cs:line 194
   at DotNetOpenAuth.Messaging.Channel.ReadFromRequest(HttpRequestInfo httpRequest) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\Messaging\Channel.cs:line 422
   at OAuth.ProcessRequest(HttpContext context) in d:\oauthSiteTest\serviceprovider\v2\OAuth.ashx:line 21
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
DotNetOpenAuth.Messaging.ProtocolException: A token in the message was not recognized by the service provider. ---> System.Collections.Generic.KeyNotFoundException: Unrecognized token ---> System.InvalidOperationException: Sequence contains no elements
   at System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult)
   at System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries)
   at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query)
   at System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute[TResult](Expression expression)
   at System.Linq.Queryable.First[TSource](IQueryable`1 source, Expression`1 predicate)
   at OAuthServiceProvider.Code.DatabaseTokenManager.GetRequestToken(String token) in C:\Program Files\TimeTableWebService\sp\Code\DatabaseTokenManager.cs:line 31
   --- End of inner exception stack trace ---
   at OAuthServiceProvider.Code.DatabaseTokenManager.GetRequestToken(String token) in C:\Program Files\TimeTableWebService\sp\Code\DatabaseTokenManager.cs:line 35
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthServiceProviderMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthServiceProviderMessageFactory.cs:line 80
   --- End of inner exception stack trace ---
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthServiceProviderMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthServiceProviderMessageFactory.cs:line 100
   at OAuthServiceProvider.Code.CustomOAuthMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary`2 fields) in C:\Program Files\TimeTableWebService\sp\Code\CustomOAuthTypeProvider.cs:line 24
   at DotNetOpenAuth.Messaging.Channel.Receive(Dictionary`2 fields, MessageReceivingEndpoint recipient) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\Messaging\Channel.cs:line 713
   at DotNetOpenAuth.OAuth.ChannelElements.OAuthChannel.ReadFromRequestCore(HttpRequestInfo request) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\OAuth\ChannelElements\OAuthChannel.cs:line 194
   at DotNetOpenAuth.Messaging.Channel.ReadFromRequest(HttpRequestInfo httpRequest) in c:\BuildAgent\work\a02b428f36957bca\src\DotNetOpenAuth\Messaging\Channel.cs:line 422
   at OAuth.ProcessRequest(HttpContext context) in d:\oauthSiteTest\serviceprovider\v2\OAuth.ashx:line 21
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
2012-05-18 13:05:30,486 (GMT+2) [5] INFO  DotNetOpenAuth.Messaging.Channel - Scanning incoming request for messages: https://websrv.hszuyd.nl/serviceprovider/v2/OAuth.ashx
2012-05-18 13:05:30,487 (GMT+2) [5] DEBUG DotNetOpenAuth.Messaging.Channel - Incoming request received: RequestScopedTokenMessage
2012-05-18 13:05:30,487 (GMT+2) [5] INFO  DotNetOpenAuth.Messaging.Channel - Processing incoming RequestScopedTokenMessage (1.0.1) message:
    scope: http://tempuri.org/DataApi/retrieveTimeTable
    oauth_callback: x-oauthflow://callback/
    oauth_consumer_key: sampleconsumer
    oauth_nonce: 913320039
    oauth_signature_method: HMAC-SHA1
    oauth_signature: yfPMlcFo6/NgJltyCLc++RMyQCY=
    oauth_version: 1.0
    oauth_timestamp: 1337339130

最佳答案

我们需要异常的调用堆栈才能确定。很可能这个异常只是一个内部异常(ASP.NET 有报告内部异常而不是外部异常的习惯)并且外部异常也可能会添加我们需要的上下文。因为你已经enabled logging ，我希望您应该能够从那里获取所有异常详细信息。

如果 / 和 + 字符没有在 HTTP URL 中编码，那是客户端中的错误，应该修复。

关于android - 从 android 发送 oauth token 导致 KeyNotFoundException，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/10652557/

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