WordPress.org

1. flywitness
   Member
   Posted 1 year ago #

   Is it possible to get cookies to behave in such a way as to allow one login to take effect across a whole domain?

   I have been trying to get this to work for some time now. I have:

   - ensured that AUTH_KEY, SECURE_AUTH_KEY, LOGGED_IN_KEY, LOGGED_IN_SALT, AUTH_SALT and SECRET_KEY are identical accross all installs
   - define('COOKIE_DOMAIN', '');
   - define('COOKIEPATH', '/');

   in addition I have also tried:

   - define('COOKIE_DOMAIN', '.mydomain.com');
   - made db entry wp_options.secret the same accross all installs

   The cookie keys and values that wordpress creates seem to always have a unique, per install value which is a very long garbled code.

   I get the feeling that if i could get all my installs to create this same code, single sign on will work (I may be wrong). However, I can't find how WP creates these unique codes. No matter how I try to make my installs identical, they insist on having unique cookies.

   Can anybody shed any light on this? It's doing my head in!

2. flywitness
   Member
   Posted 1 year ago #

   Found it!
   wp-setting.php:
   $cookiehash = md5(get_option('siteurl'));

   now let me see.......

3. flywitness
   Member
   Posted 1 year ago #

   Changed:

   $cookiehash = md5(get_option('siteurl'));

   to:

   $cookiehash = md5('poo');

   BINGO!!!!!

4. flywitness
   Member
   Posted 1 year ago #

   actually, its probably a little bit more useful if you make the cookies unique for each domain:

   $cookiehash = md5($_SERVER['HTTP_HOST']);

   if you only have one domain, feel free to leave it as 'poo' or any other word that tickles your fancy.

5. flywitness
   Member
   Posted 1 year ago #

   i dont know what happened but this doesn't work

   [gives up]

6. taffeljohan
   Member
   Posted 1 year ago #

   See:

   http://wordpress.org/support/topic/212600?replies=7

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