[wp-trac] [WordPress Trac] #15289: Make it easier for a non-standard URL to be used to access wp-admin

[WordPress Trac]

#15289: Make it easier for a non-standard URL to be used to access wp-admin
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 Reporter:  caesarsgrunt     |       Owner:                 
     Type:  feature request  |      Status:  new            
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Administration   |     Version:  3.1            
 Severity:  normal           |    Keywords:                 
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Comment(by caesarsgrunt):

 Ok... here is the code I've used for this in the past. Two parts, one in a
 plugin and one in .htaccess. This code also changes example.com/wp-login
 to example.com/login.[[BR]]
 A few function and variable names have been changed to protect the
 identity of my client, but the functionality is the same.

 '''In a plugin :'''[[BR]]
 {{{
 /**
  * HACK : Change admin urls to /admin/ instead of /wp-admin/.
  * Only works in conjunction with some complex rules in .htacces.
  */
 function caesarsgrunt_admin_url($url, $path) {
         return str_ireplace('/wp-admin/', '/admin/', $url);
 }
 add_filter('admin_url', 'caesarsgrunt_admin_url', 10, 2);
 add_filter('network_admin_url', 'caesarsgrunt_admin_url', 10, 2);

 /**
  * HACK : Change login/out urls to /login/ instead of /wp-login.php.
  * Only works in conjunction with some rules in .htacces.
  */
 function caesarsgrunt_login_url($url) {
     return str_ireplace('/wp-login.php', '/login/', $url);
 }
 add_filter('login_url', 'caesarsgrunt_login_url', 10, 1);
 add_filter('logout_url', 'caesarsgrunt_login_url', 10, 1);
 add_filter('site_url', 'caesarsgrunt_login_url', 10, 1); // because wp-
 login.php uses this when linking to itself
 add_filter('network_site_url', 'caesarsgrunt_login_url', 10, 1); //
 because wp-login.php uses this when emailing the user

 /**
  * HACK : Prevent redirect from /login/ to /login/wp-login.php.
  * Part of the /login/ hack. After logging the user out, wp-login.php
 redirects to itself using a hard-coded url.
  * This results in a redirect from /login/ to /login/wp-login.php.
  * Here we prevent that by catching the redirect and changing it to
 /login/.
  */
 function caesarsgrunt_wp_redirect($url, $status) {
     return str_ireplace('wp-login.php', '/login/', $url);
 }
 add_filter('wp_redirect', 'caesarsgrunt_wp_redirect', 10, 2);
 }}}


 '''In .htaccess :''' (may be buggy, I'm not an htaccess expert, but it
 works fine)[[BR]]
 {{{
 # 301 redirect /wp-admin/ to /admin/
 # infinite loop avoided with the second cond
 # NE prevents re-encoding query vars, which are likely to already be
 encoded
 RewriteCond %{HTTP_ACCEPT} text/html
 #RewriteCond %{THE_REQUEST} ^GET\ (.*)/wp-admin/
 RewriteCond %{ENV:REDIRECT_STATUS} ^$
 RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin/(.*)$ $1admin/$2 [R,L,NE]

 # internally redirect /admin/ to /wp-admin/ - if the file exists in the
 latter
 RewriteCond %{DOCUMENT_ROOT}/wp-admin/$1 -f [OR]
 RewriteCond %{DOCUMENT_ROOT}/wp-admin/$1 -d
 RewriteRule admin/(.*)$ wp-admin/$1


 # internally redirect /login/ to /wp-login.php
 RewriteRule login/$ wp-login.php


 # add a trailing slash to /admin and /login
 RewriteRule ^([_0-9a-zA-Z-]+/)?admin$ $1admin/ [R=301,L]
 RewriteRule ^([_0-9a-zA-Z-]+/)?login$ $1login/ [R=301,L]

 # remove multiple slashes anywhere in the url
 RewriteCond %{REQUEST_URI} ^(.*)//(.*)$
 RewriteRule . %1/%2 [R=301,L]
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/15289#comment:3>
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