Merge pull request #499 from deldesir/master

Sync from deldesir:master

roles/cups/tasks/nginx.yml

@@ -0,0 +1,16 @@
+- name: Enable http://box/print via NGINX, by installing {{ nginx_conf_dir }}/cups.conf from template
+  template:
+    src: cups.conf
+    dest: /etc/nginx/conf.d/cups.conf
+  when: cups_enabled
+
+- name: Disable http://box/print via NGINX, by removing {{ nginx_conf_dir }}/cups.conf
+  file:
+    path: /etc/nginx/conf.d/cups.conf
+    state: absent
+  when: not cups_enabled
+
+- name: Restart 'nginx' systemd service
+  systemd:
+    name: nginx
+    state: restarted

roles/cups/templates/cups.conf

@@ -1,2 +1,25 @@
-ProxyPass /cups http://localhost:631
-ProxyPassReverse /cups http://localhost:631
+location ~ /print/(.*) {
+    proxy_pass http://127.0.0.1:631/$1;
+    proxy_set_header Host '127.0.0.1';
+    proxy_cache_bypass $http_upgrade;
+    proxy_set_header X-Real-IP $remote_addr;
+    
+    sub_filter ' href="/' ' href="/print/';
+    sub_filter ' action="/' ' action="/print/';
+    sub_filter ' src="/' ' src="/print/';
+    sub_filter_types *;
+    sub_filter_once off;
+} 
+
+location ~ /cups/(.*) {
+    proxy_pass http://127.0.0.1:631/$1;
+    proxy_set_header Host '127.0.0.1';
+    proxy_cache_bypass $http_upgrade;
+    proxy_set_header X-Real-IP $remote_addr;
+    
+    sub_filter ' href="/' ' href="/cups/';
+    sub_filter ' action="/' ' action="/cups/';
+    sub_filter ' src="/' ' src="/cups/';
+    sub_filter_types *;
+    sub_filter_once off;
+}    

roles/cups/templates/cupsd.conf

@@ -1,8 +1,8 @@
 ServerAlias *
 LogLevel warn
 MaxLogSize 1m
-Listen {{ lan_ip }}:631
-Listen localhost:631
+#Listen {{ lan_ip }}:631
+Listen 127.0.0.1:631
 Listen /var/run/cups/cups.sock
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