Config for the proposed X-Accel-Redirect behavior

gistfile1.nginxconf

server {
	# standard statements
	listen 80 default_server;
	listen [::]:80 default_server;
	root /var/www/;
	index index.php index.html index.htm;
	try_files $uri $uri/ =404;

	# these blocks roughly correspond to the XSendFilePath directive in apache
	# essentially whitelisting parts of the filesystem for x-accel-redirect access
	# non-standard data dir
	location ^~ /oc_sendfile_prefix/home/oc_data/ {
		internal;
		alias /home/oc_data/;
	}

	# temp dir
	location ^~ /oc_sendfile_prefix/tmp/oc-noclean/ {
		internal;
		alias /tmp/oc-noclean/;
	}

	# a local mount
	location ^~ /oc_sendfile_prefix/home/dratini0/Pictures/ {
		internal;
		alias /home/dratini0/Pictures/;
	}

	location ~ \.php(/.*)?$ {
		include snippets/fastcgi-php.conf;
		fastcgi_buffers 64 4K;
		fastcgi_param MOD_X_ACCEL_REDIRECT_ENABLED on;

		# this is the new variable I have introduced
		fastcgi_param MOD_X_ACCEL_REDIRECT_PREFIX /oc_sendfile_prefix/;

		fastcgi_pass unix:/var/run/php5-fpm.sock;
	}

	# the rest is just commonplace a config again
	location ~ /\.ht {
		deny all;
	}
        location ~ ^/owncloud/(data|config|db_structure\.xml|README) {
                deny all;
        }
	client_max_body_size 10G; # set max upload size
	location /owncloud/ {
		error_page 403 /owncloud/core/templates/403.php;
		error_page 404 /owncloud/core/templates/404.php;	
	}
	location ~* ^.+\.(jpg|jpeg|gif|bmp|ico|png|css|js|swf|svg|svgz)$ {
		expires 30d;
        }
}