2718.us blog - Authenticating with WordPress 2.6 (part 1)

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Authenticating with WordPress 2.6 (part 1)

I’ve been hoping for the last hour or two that there’d be just one post on this topic, giving the problem and solution all together, but I have yet to solve it and so I’m just going to post the issue for now, until I have a solution.

As a security measure in WP2.6, login cookies are now split into what seem to be at least three different cookies—two with paths like /wp-admin and /wp-content/plugins that are the full cookie that auth_redirect() checks against and one that’s different, with path / [paths relative to the blog root]. Near as I can tell, this immediately breaks any attempt to use auth_redirect() for authentication (e.g. this and this) outside the /wp-admin and /wp-content/plugins directories. It is also not immediately clear to me how to authenticate against the whole-site cookie, if there’s any way to do that at all.

A temporary, but very bad fix would be to completely defeat the security by defining ADMIN_COOKIE_PATH to be the site root, rather than the path to /wp-admin. I’m thinking that, from a quick skim of pluggable.php, there might be plugin action hooks to allow setting other cookies that would allow authentication on other paths…

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Trackbacks & Pingbacks 2

From 2718.us blog - Authenticating with WordPress 2.6 (part 2) on 29 Jul 2008 at 11:33 pm ¶
[...] stated the problem and now played further, I’ve got good news and bad [...]
From 2718.us blog - Authenticating with WordPress 2.6 (part 3) on 03 Aug 2008 at 6:58 pm ¶
[...] as a followup to parts 1 and 2, per WordPress Trac ticket #7001, WordPress 2.6 has split up the login cookies into three [...]

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