Cross-domain XHR

  • strict warning: Non-static method view::load() should not be called statically in /nfs/c04/h03/mnt/64527/domains/jacksonkr.com/drupal-6.15/sites/all/modules/views/views.module on line 842.
  • strict warning: Declaration of content_handler_field::options() should be compatible with views_object::options() in /nfs/c04/h03/mnt/64527/domains/jacksonkr.com/drupal-6.15/sites/all/modules/cck/includes/views/handlers/content_handler_field.inc on line 208.
  • strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /nfs/c04/h03/mnt/64527/domains/jacksonkr.com/drupal-6.15/sites/all/modules/views/handlers/views_handler_filter.inc on line 589.
  • strict warning: Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /nfs/c04/h03/mnt/64527/domains/jacksonkr.com/drupal-6.15/sites/all/modules/views/handlers/views_handler_filter.inc on line 589.
  • strict warning: Declaration of views_plugin_style_default::options() should be compatible with views_object::options() in /nfs/c04/h03/mnt/64527/domains/jacksonkr.com/drupal-6.15/sites/all/modules/views/plugins/views_plugin_style_default.inc on line 25.
  • strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /nfs/c04/h03/mnt/64527/domains/jacksonkr.com/drupal-6.15/sites/all/modules/views/plugins/views_plugin_row.inc on line 135.
  • strict warning: Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state) in /nfs/c04/h03/mnt/64527/domains/jacksonkr.com/drupal-6.15/sites/all/modules/views/plugins/views_plugin_row.inc on line 135.

I learned about a new feature and decided I would share light with the rest of the web. I'm working on a YUI application for YAP and it's causing trouble in the app because it's forcing cross-domain loading of an XML file I need to load. However, it's their platform and thus, their rules. Anywho, you can allow your files to be loaded to another domain by added a simple header to your file.

This can be done easily in PhP by adding the following code to your PhP file:

// this will allow any domain to load this file via XHR / AJAX
<?php header("Access-Control-Allow-Origin: *"); ?>

Oh another note, lets say you want to restrict your file to a certain domain of jacksonkr.com:

// I haven't gotten this to work yet, but the documentation instructs to do as such
<?php header("Access-Control-Allow-Origin: http://jacksonkr.com"); ?>

Here's a couple helpful resources: Request Headers article from w3 and HTTP Access Control from Mozilla.

Lastly, here's the XHR article that I discovered originally.

Edit on 8/2/2011

It turns out you can use an htaccess file to allow cross-domain access as well. To allow all traffic you will need to add the following to your .htaccess file:

Header add Access-Control-Allow-Origin "*"

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