1 files changed, 39 insertions, 0 deletions
diff --git a/historic/guix/etc/nginx/apps/drupal/map_cache.conf b/historic/guix/etc/nginx/apps/drupal/map_cache.conf
new file mode 100644
index 0000000..8166fcd
--- /dev/null
+++ b/historic/guix/etc/nginx/apps/drupal/map_cache.conf
@@ -0,0 +1,39 @@
+# -*- mode: nginx; mode: flyspell-prog;  ispell-current-dictionary: american -*-
+
+### Testing if we should be serving content from cache or not. This is
+### needed for any Drupal setup that uses an external cache.
+
+## Let Ajax calls go through.
+map $uri $no_cache_ajax {
+    default 0;
+    /system/ajax 1;
+}
+
+## Testing for the session cookie being present. If there is then no
+## caching is to be done. Note that this is for someone using either
+## Drupal 7 pressflow or stock Drupal 6 core with no_anon
+## (http://drupal.org/project/no_anon).
+map $http_cookie $no_cache_cookie {
+    default 0;
+    ~SESS 1; # PHP session cookie
+}
+
+## Combine both results to get the cache bypassing mapping.
+map $no_cache_ajax$no_cache_cookie $no_cache {
+    default 1;
+    00 0;
+}
+
+## If you're using stock Drupal 6 without no_anon, i.e., there's a
+## session cookie being served even to anonymous users, then uncomment
+## the three lines below and comment the above map directive
+# map $http_cookie $no_cache {
+#     default 0;
+#     ~DRUPAL_UID 1; # DRUPAL_UID cookie set by Boost
+# }
+
+## Set a cache_uid variable for authenticated users.
+map $http_cookie $cache_uid {
+    default nil; # hommage to Lisp :)
+    ~SESS[[:alnum:]]+=(?<session_id>[[:graph:]]+) $session_id;
+}