python 为什么我的 Facebook 应用程序出现错误 104（“无效签名”）？
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Why is my Facebook application with error 104 ("invalid signature")?
提问by larsks
I am trying to develop a Facebook application using PyFacebook (hosted on Google App Engine). It's an FBML application (runs in a Facebook canvas instead of an iframe). I'm having problems getting any API calls to function. The sequence looks like this:
我正在尝试使用 PyFacebook（托管在 Google App Engine 上）开发 Facebook 应用程序。这是一个 FBML 应用程序（在 Facebook 画布而不是 iframe 中运行）。我在调用任何 API 时遇到问题。序列如下所示：
fb = facebook.Faceboook(api_key, secret_key)
fb.session_key = cherrypy.request.params['fb_sig_session_key']
fb.uid =cherrypy.request.params['fb_sig_user']
Then if I try, for example:
然后，如果我尝试，例如：
user = fb.users.getLoggedInUser()
This will fail with:
这将失败：
Error 104: Incorrect signature
I'm not sure where I'm going wrong. I've verified that the api_key and secret_key are correct (many, many times). The application has been added to my account. I've even been able to get a desktop application working; my problem is only with this web-hosted version.
我不确定我哪里出错了。我已经验证了 api_key 和 secret_key 是正确的（很多很多次）。该应用程序已添加到我的帐户中。我什至能够让桌面应用程序工作；我的问题仅与此网络托管版本有关。
Thanks for your help!
谢谢你的帮助！
采纳答案by larsks
Deleting the Facebook application and re-creating it, then configuring my code with the new API key and secret key, resolved this problem.
删除 Facebook 应用程序并重新创建它，然后使用新的 API 密钥和密钥配置我的代码，解决了这个问题。
