Silverstripe + WordPress htaccess

Hosting WordPress inside a SilverStripe Installation

I ran into a puzzling issue today. Normally I wouldn’t recommend hosting a CMS inside another CMS installation, but for various reasons, I had to set up a WordPress blog inside an existing SilverStripe installation. For sake of this article, I’ll call it example.com/blog/.

The first problem I ran into was that instead of loading WordPress, example.com/blog/ was showing the directory index:

SilverStripe WP Directory Listing

That’s obviously not ideal, as well as being a bad idea for security.

I then added Options -Indexes to the WordPress .htaccess file to disable the directory listing, but all I got was a “403 Forbidden” error when going to example.com/blog/ or example.com/blog/wp-admin/ (however, example.com/blog/?p=1 would redirect to the post URL using pretty permalinks and worked fine 🤔):

SilverStripe WP directory forbidden

I then tinkered with the SilverStripe .htaccess file, thinking it was overriding something; I added this line to make it ignore the WP blog URLs:

RewriteRule ^/blog/?.*$ /blog/index.php [L]

Still no luck.

Finally, I thought to try manually setting the index file, so added this line at the top of WP’s .htaccess file:

DirectoryIndex index.php

And that did the trick!

There must have been a server-wide setting to use some other file for DirectoryIndex (that’s the file that gets served by default when you try to access a directory URL), but I didn’t have access to the entire server.

Summary

Here’s what I ended up using:

SilverStripe .htaccess file

RewriteEngine On
RewriteBase '/'

# Added for WP blog
RewriteRule ^/blog/?.*$ /blog/index.php [L]

# Process through SilverStripe if no file with the requested name exists.
# Pass through the original path as a query parameter, and retain the existing parameters.
RewriteCond %{REQUEST_URI} ^(.*)$
### Blog Redirect ###

RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule .* framework/main.php?url=%1 [QSA]

WordPress .htaccess file

DirectoryIndex index.php
Options -Indexes

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