l 4: add website helper functions

lass/4lib/default.nix

@@ -1,10 +1,133 @@
-{ lib, ... }:
+{ lib, pkgs, ... }:
 
 with lib;
 
-{
+rec {
 
   getDefaultGateway = ip:
     concatStringsSep "." (take 3 (splitString "." ip) ++ ["1"]);
 
+  manageCert = domain:
+    {
+      security.acme = {
+        certs."${domain}" = {
+          email = "lassulus@gmail.com";
+          webroot = "/var/lib/acme/challenges/${domain}";
+          plugins = [
+            "account_key.json"
+            "cert.pem"
+            "key.pem"
+            "fullchain.pem"
+          ];
+          group = "nginx";
+          allowKeysForGroup = true;
+        };
+      };
+
+      krebs.nginx.servers."${domain}" = {
+        locations = [
+          (nameValuePair "/.well-known/acme-challenge" ''
+            root /var/lib/acme/challenges/${domain}/;
+          '')
+        ];
+      };
+    };
+
+  ssl = domain:
+    {
+      imports = [
+        ( manageCert domain )
+        ( activateACME domain )
+      ];
+    };
+
+  activateACME = domain:
+    {
+      krebs.nginx.servers."${domain}" = {
+        ssl = {
+          enable = true;
+          certificate = "/var/lib/acme/${domain}/cert.pem";
+          certificate_key = "/var/lib/acme/${domain}/key.pem";
+        };
+      };
+    };
+
+  servePage = domain:
+    {
+      krebs.nginx.servers."${domain}" = {
+        server-names = [
+          "${domain}"
+          "www.${domain}"
+        ];
+        locations = [
+          (nameValuePair "/" ''
+            root /srv/http/${domain};
+          '')
+        ];
+      };
+    };
+
+  serveOwncloud = domain:
+    {
+      krebs.nginx.servers."${domain}" = {
+        server-names = [
+          "${domain}"
+          "www.${domain}"
+        ];
+        locations = [
+          (nameValuePair "/" ''
+            # The following 2 rules are only needed with webfinger
+            rewrite ^/.well-known/host-meta /public.php?service=host-meta last;
+            rewrite ^/.well-known/host-meta.json /public.php?service=host-meta-json last;
+
+            rewrite ^/.well-known/carddav /remote.php/carddav/ redirect;
+            rewrite ^/.well-known/caldav /remote.php/caldav/ redirect;
+
+            rewrite ^(/core/doc/[^\/]+/)$ $1/index.html;
+
+            try_files $uri $uri/ /index.php;
+          '')
+          (nameValuePair "~ \.php$" ''
+            fastcgi_split_path_info ^(.+\.php)(/.+)$;
+            include ${pkgs.nginx}/conf/fastcgi.conf;
+            fastcgi_param PATH_INFO $fastcgi_path_info;
+            fastcgi_pass unix:/srv/http/${domain}/phpfpm.pool;
+          '')
+        ];
+        extraConfig = ''
+          root /srv/http/${domain}/;
+          #index index.php;
+          access_log /tmp/nginx_acc.log;
+          error_log /tmp/nginx_err.log;
+
+          # set max upload size
+          client_max_body_size 10G;
+          fastcgi_buffers 64 4K;
+
+          rewrite ^/caldav(.*)$ /remote.php/caldav$1 redirect;
+          rewrite ^/carddav(.*)$ /remote.php/carddav$1 redirect;
+          rewrite ^/webdav(.*)$ /remote.php/webdav$1 redirect;
+
+          error_page 403 /core/templates/403.php;
+          error_page 404 /core/templates/404.php;
+        '';
+      };
+      services.phpfpm.poolConfigs."${domain}" = ''
+        listen = /srv/http/${domain}/phpfpm.pool
+        user = nginx
+        group = nginx
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+        listen.owner = nginx
+        listen.group = nginx
+        # errors to journal
+        php_admin_value[error_log] = 'stderr'
+        php_admin_flag[log_errors] = on
+        catch_workers_output = yes
+      '';
+    };
+
 }