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我一直在用谷歌搜索这个并在stackoverflow上寻找答案，但没有找到任何适合我的东西。

我已经在下面检查了！用户可能禁用了 cookie，我已经尝试过这个，并且在多个浏览器中出现了同样的问题。

我正在使用 facebook sdk 进行第三方登录，但是我运行代码的所有内容都得到以下信息

The webpage at https://www.facebook.com/login.php?api_key=466044326753518&cancel_url=http%3A%2F%2Fexample.users36.interdns.co.uk%2Fconnect_facebook&display=page&fbconnect=1&next=http%3A%2F%2Fexample.users36.interdns.co.uk%2Fconnect_facebook&return_session=1&session_version=3&v=1.0&req_perms=user_birthday has resulted in too many redirects. Clearing your cookies for this site or allowing third-party cookies may fix the problem. If not, it is possibly a server configuration issue and not a problem with your computer.

这是它为 url 生成的 url

https://www.facebook.com/login.php?api_key=466044326753518&cancel_url=http%3A%2F%2Fexample.users36.interdns.co.uk%2Fconnect_facebook&display=page&fbconnect=1&next=http%3A%2F%2Fexample.users36.interdns.co.uk%2Fconnect_facebook&return_session=1&session_version=3&v=1.0&req_perms=user_birthday

我尝试了很多选择，但似乎没有任何效果。我正在使用 codeigniter，我将 uri_protocol 设置为 auto

$config['uri_protocol'] = 'AUTO';

如果我将它设置为 PATH_INFO 它可以工作

$config['uri_protocol'] = 'PATH_INFO';

这让我发疯，因为这意味着我必须将我所有的网址都保留在 index.php 中，这是我的 .htaccess

    Options         +FollowSymLinks
Options         -Indexes 
DirectoryIndex  index.php
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?/$1 [L]  

<Files "index.php">
AcceptPathInfo On
</Files>

我读到我的主机可能不支持 path_info？

任何人都可以对此有所了解，我也将联系我的托管。

谢谢

更新它是从 chrome 中的网络选项卡在这两个 url 之间重定向。

http://example.users36.interdns.co.uk/connect_facebook?session=%7B%22session_key%22%3A%222.AQDZt8rGtuhgss40.3600.1345111200.0-680410999%22%2C%22uid%22%3A%22680410999%22%2C%22expires%22%3A1345111200%2C%22secret%22%3A%22CCHtz17wmFCRRNApLUM6zQ__%22%2C%22base_domain%22%3A%22http%3A%5C%2F%5C%2Fexample.users36.interdns.co.uk%5C%2F%22%2C%22access_token%22%3A%22AAAGn3WaLtO4BAFA8HOMbdJY1ouKwIZCIfOxHqnJEjU2beEkARUeQIJ24J3Qsw93UWJSPJF7qGorkBXWeaP0TlBV2UKWuBvrjqIn2jJgZDZD%22%2C%22sig%22%3A%220e7a4c9d172006abc642756617cbe058%22%7D

https://www.facebook.com/login.php?api_key=466044326753518&cancel_url=http%3A%2F%2Fexample.users36.interdns.co.uk%2Fconnect_facebook&display=page&fbconnect=1&next=http%3A%2F%2Fexample.users36.interdns.co.uk%2Fconnect_facebook&return_session=1&session_version=3&v=1.0&req_perms=user_birthday

当我将其设置为 path_info 时，它可以工作，这是网络响应

https://www.facebook.com/login.php?api_key=466044326753518&cancel_url=http%3A%2F%2Fexample.users36.interdns.co.uk%2Findex.php%2Fconnect_facebook&display=page&fbconnect=1&next=http%3A%2F%2Fexample.users36.interdns.co.uk%2Findex.php%2Fconnect_facebook&return_session=1&session_version=3&v=1.0&req_perms=user_birthday

http://example.users36.interdns.co.uk/index.php/connect_facebook?session=%7B%22session_key%22%3A%222.AQDZt8rGtuhgss40.3600.1345111200.0-680410999%22%2C%22uid%22%3A%22680410999%22%2C%22expires%22%3A1345111200%2C%22secret%22%3A%22CCHtz17wmFCRRNApLUM6zQ__%22%2C%22base_domain%22%3A%22http%3A%5C%2F%5C%2Fexample.users36.interdns.co.uk%5C%2F%22%2C%22access_token%22%3A%22AAAGn3WaLtO4BAFA8HOMbdJY1ouKwIZCIfOxHqnJEjU2beEkARUeQIJ24J3Qsw93UWJSPJF7qGorkBXWeaP0TlBV2UKWuBvrjqIn2jJgZDZD%22%2C%22sig%22%3A%220e7a4c9d172006abc642756617cbe058%22%7D
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