Feature/caddy frontend path normalization

/reviewed-on nexedi/slapos!487

software/caddy-frontend/buildout.hash.cfg

@@ -58,7 +58,7 @@ md5sum = f20d6c3d2d94fb685f8d26dfca1e822b
 
 [template-default-slave-virtualhost]
 filename = templates/default-virtualhost.conf.in
-md5sum = e21bf673c35f049e7457ec78de9a1964
+md5sum = 55d0ca695318d7d6111742f4b37fe1b8
 
 [template-cached-slave-virtualhost]
 filename = templates/cached-virtualhost.conf.in

software/caddy-frontend/templates/default-virtualhost.conf.in

@@ -42,12 +42,25 @@
   log / {{ slave_parameter.get('access_log') }} "{remote} {>REMOTE_USER} [{when}] \"{method} {uri} {proto}\" {status} {size} \"{>Referer}\" \"{>User-Agent}\" {latency_ms}"
   errors {{ slave_parameter.get('error_log') }}
 
-{%- if prefer_gzip and not (slave_type == 'zope' and backend_url) %}
+{%- if not (slave_type == 'zope' and backend_url) %}
+{%    if prefer_gzip %}
   rewrite {
+    regexp (.*)
     if {>Accept-Encoding} match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
-    to /prefer-gzip{uri}
+    to /prefer-gzip{1}
+  }
+  rewrite {
+    regexp (.*)
+    if {>Accept-Encoding} not_match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
+    to {1}
   }
-{%- endif %} {#- if prefer_gzip and not (slave_type == 'zope' and backend_url) #}
+{%    else %}
+  rewrite {
+    regexp (.*)
+    to {1}
+  }
+{%    endif %}
+{%- endif %} {#- if not (slave_type == 'zope' and backend_url) #}
 
 {%- if slave_type ==  'zope' and backend_url %}
   # Zope configuration
@@ -105,7 +118,7 @@
 {%- elif slave_type ==  'redirect' and backend_url %} {#- if slave_type ==  'zope' and backend_url #}
   # Redirect configuration
   redir 302 {
-    /  {{ backend_url }}{uri}
+    /  {{ backend_url }}{rewrite_uri}
   } {# redir #}
 {%- else %} {#- if slave_type ==  'zope' and backend_url #}
   # Default configuration
@@ -163,20 +176,33 @@
   log / {{ slave_parameter.get('access_log') }} "{remote} {>REMOTE_USER} [{when}] \"{method} {uri} {proto}\" {status} {size} \"{>Referer}\" \"{>User-Agent}\" {latency_ms}"
   errors {{ slave_parameter.get('error_log') }}
 
-{%- if prefer_gzip and not (slave_type == 'zope' and backend_url) %}
+{%- if not (slave_type == 'zope' and backend_url) %}
+{%-   if prefer_gzip  %}
   rewrite {
+    regexp (.*)
     if {>Accept-Encoding} match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
-    to /prefer-gzip{uri}
+    to /prefer-gzip{1}
+  }
+  rewrite {
+    regexp (.*)
+    if {>Accept-Encoding} not_match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
+    to {1}
+  }
+{%    else %}
+  rewrite {
+    regexp (.*)
+    to {1}
   }
-{%- endif %} {#- if prefer_gzip and not (slave_type == 'zope' and backend_url) #}
+{%    endif %}
+{%- endif %} {#- if not (slave_type == 'zope' and backend_url) #}
 
 {%- if https_only %}
   # Enforced redirection to SSL-enabled host
-  redir / https://{host}{uri}
+  redir / https://{host}{rewrite_uri}
 {%- elif slave_type ==  'redirect' and slave_parameter.get('url', '') %} {#- if https_only #}
   # Redirect configuration
   redir 302 {
-    /  {{ slave_parameter.get('url', '') }}{uri}
+    /  {{ slave_parameter.get('url', '') }}{rewrite_uri}
   } {# redir #}
 {%- elif slave_type ==  'zope' and backend_url %} {#- if https_only #}
   # Zope configuration