避免错误100：应用程序请求对话框中的无效参数（需要有效的重定向URI） [英] Avoiding error 100: invalid parameter (requires valid redirect URI) in application requests dialog

问题描述

我正在为Facebook开发游戏。我需要一种方式让用户邀请他人参加比赛。为此，我使用apprequests对话框。我将用户重定向到对话框URL，我粘合在一起，如下所示：

  $ url =http：// www。 facebook.com/dialog/apprequests?app_id=\".$id.\"&message=\".urlencode(\"foobar\").\"&redirect=\".urlencode(\"http://some.arbitrary.url.com ）; 
  

（当然，不是任意的论据，在导航时，用户被API错误代码：100，API错误描述：无效参数，错误消息：需要有效的重定向URI所骂。我已经搜索了一个解决方案，但似乎所有收到这个错误的人都忘记了他们的URL /消息。我还尝试了一些应该被接受的网址，没有备注，例如应用程序画布URL。

有谁知道我犯了什么错误？

解决方案

，结果是使用 redirect_uri 和不转义重定向到的URL，所以我之前写的代码应该是： p>

  $ url =http://www.facebook.com/dialog/apprequests?app_id=\".$id.\"&消息= .urlencode（ foobar的）。 &安培;。 REDIRECT_URI = http://some.arbitrary.url.com; 
  

I'm developing a game for Facebook. I need a way for users to invite others to the game. For that, I use the apprequests dialog. I redirect the user to the dialog URL, which I glue together like this:

$url = "http://www.facebook.com/dialog/apprequests?app_id=".$id."&message=".urlencode("foobar")."&redirect=".urlencode("http://some.arbitrary.url.com");

(Of course, with not-so-arbitrary arguments, but they still look sane to me.) Upon navigating there, the user is scolded by "API Error Code: 100, API Error Description: Invalid Parameter, Error Message: Requires valid redirect URI.". I googled around for a solution, but it seems that all the people receiving this error were forgetting to escape their URLs / messages. I also tried some URLs that should be accepted without remarks, like the application canvas URL.

Does anyone know what mistakes am I making?

解决方案

So, turns out the solution is to use redirect_uri and not to escape the URL to redirect to, so the code I wrote before should read:

$url = "http://www.facebook.com/dialog/apprequests?app_id=".$id."&message=".urlencode("foobar")."&redirect_uri="."http://some.arbitrary.url.com";

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