nginx: Don't hard-code the HPKP headers.

Instead, lookup the pubkeys and compute the digests on the fly.  But
never modify the actual header snippet to avoid locking our users out.

1 files changed, 3 insertions, 3 deletions

diff --git a/roles/webmail/files/etc/nginx/sites-available/roundcube b/roles/webmail/files/etc/nginx/sites-available/roundcube
index 67851ae..c691d35 100644
--- a/roles/webmail/files/etc/nginx/sites-available/roundcube
+++ b/roles/webmail/files/etc/nginx/sites-available/roundcube
@@ -14,43 +14,43 @@ server {
     location / {
         return 301 https://$host$request_uri;
     }
 }
 
 
 server {
     listen      443;
     listen [::]:443;
 
     server_name    mail.fripost.org;
     server_name webmail.fripost.org;
 
     root         /var/lib/roundcube;
 
     include snippets/headers.conf;
     add_header Content-Security-Policy
                "default-src 'none'; child-src 'self'; frame-src 'self'; connect-src 'self'; object-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src * data:; font-src 'self'; reflected-xss block; referrer no-referrer-when-downgrade; frame-ancestors 'self'; form-action 'self'; base-uri mail.fripost.org webmail.fripost.org";
 
     include snippets/ssl.conf;
-    ssl_certificate     /etc/nginx/ssl/mail.fripost.org.pem;
-    ssl_certificate_key /etc/nginx/ssl/mail.fripost.org.key;
-    add_header Public-Key-Pins 'pin-sha256="SHfniMEapxeYo5YT/2jP+n+WstNaYghDMhZUadLlPDk="; pin-sha256="/Tt92H3ZkfEW1/AOCoGVm1TxZl7u4c+tIBnuvAc7d5w="; max-age=15778800';
+    ssl_certificate     ssl/mail.fripost.org.pem;
+    ssl_certificate_key ssl/mail.fripost.org.key;
+    include             snippets/mail.fripost.org.hpkp-hdr;
 
     location = /favicon.ico {
         root          /usr/share/roundcube/skins/default/images;
         log_not_found off;
         access_log    off;
         expires       max;
     }
 
     location = /robots.txt {
         allow         all;
         log_not_found off;
         access_log    off;
     }
 
     # Deny all attempts to access hidden files, or files under hidden
     # directories.
     location ~ /\. { return 404; }
 
     access_log  /var/log/nginx/roundcube.access.log;
     error_log   /var/log/nginx/roundcube.error.log info;