feat: coturn

hosts/hitsugibune/matrix.nix

@@ -9,6 +9,7 @@ let
     add_header Access-Control-Allow-Origin *;
     return 200 '${builtins.toJSON data}';
   '';
+  turn  = config.services.coturn;
 in {
   age.secrets.matrix = {
     file = ../../secrets/matrix.age;
@@ -16,11 +17,80 @@ in {
     group = "matrix-synapse";
   };
 
+  age.secrets.coturn = {
+    file = ../../secrets/coturn.age;
+    owner = "coturn";
+    group = "coturn";
+  };
+
   networking.domain = "sprechtl.me";
+
+  # Coturn Ports
+  networking.firewall = {
+    interfaces.enp0s31f6 = let
+      range = with config.services.coturn; lib.singleton {
+        from = min-port;
+        to = max-port;
+      };
+    in
+    {
+      allowedUDPPortRanges = range;
+      allowedUDPPorts = [ 3478 5349 ];
+      allowedTCPPortRanges = [ ];
+      allowedTCPPorts = [ 3478 5349 ];
+    };
+  };
   networking.firewall.allowedTCPPorts = [ 80 443 ];
 
+  security.acme.certs.${config.services.coturn.realm} = {
+    /* insert here the right configuration to obtain a certificate */
+    postRun = "systemctl restart coturn.service";
+    group = "turnserver";
+  };
+
   services.postgresql.enable = true;
 
+   services.coturn = rec {
+    enable = true;
+    no-cli = true;
+    no-tcp-relay = true;
+    min-port = 49000;
+    max-port = 50000;
+    use-auth-secret = true;
+    static-auth-secret-file = config.age.secrets.coturn.path;
+    realm = "turn.sprechtl.me";
+    cert = "${config.security.acme.certs.${realm}.directory}/full.pem";
+    pkey = "${config.security.acme.certs.${realm}.directory}/key.pem";
+    extraConfig = ''
+      # for debugging
+      verbose
+      # ban private IP ranges
+      no-multicast-peers
+      denied-peer-ip=0.0.0.0-0.255.255.255
+      denied-peer-ip=10.0.0.0-10.255.255.255
+      denied-peer-ip=100.64.0.0-100.127.255.255
+      denied-peer-ip=127.0.0.0-127.255.255.255
+      denied-peer-ip=169.254.0.0-169.254.255.255
+      denied-peer-ip=172.16.0.0-172.31.255.255
+      denied-peer-ip=192.0.0.0-192.0.0.255
+      denied-peer-ip=192.0.2.0-192.0.2.255
+      denied-peer-ip=192.88.99.0-192.88.99.255
+      denied-peer-ip=192.168.0.0-192.168.255.255
+      denied-peer-ip=198.18.0.0-198.19.255.255
+      denied-peer-ip=198.51.100.0-198.51.100.255
+      denied-peer-ip=203.0.113.0-203.0.113.255
+      denied-peer-ip=240.0.0.0-255.255.255.255
+      denied-peer-ip=::1
+      denied-peer-ip=64:ff9b::-64:ff9b::ffff:ffff
+      denied-peer-ip=::ffff:0.0.0.0-::ffff:255.255.255.255
+      denied-peer-ip=100::-100::ffff:ffff:ffff:ffff
+      denied-peer-ip=2001::-2001:1ff:ffff:ffff:ffff:ffff:ffff:ffff
+      denied-peer-ip=2002::-2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+      denied-peer-ip=fc00::-fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+      denied-peer-ip=fe80::-febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+    '';
+  };
+
   services.nginx = {
     enable = true;
     recommendedTlsSettings = true;
@@ -89,6 +159,9 @@ in {
         } ];
       }
     ];
+
     extraConfigFiles = [ config.age.secrets.matrix.path ];
+    turn_uris = ["turn:${turn.realm}:3478?transport=udp" "turn:${turn.realm}:3478?transport=tcp"];
+    turn_user_lifetime = "1h";
   };
 }

secrets/coturn.age

@@ -0,0 +1,15 @@
+age-encryption.org/v1
+-> ssh-ed25519 7PLkJg pgyveShbFSlILYjV65CNvs3gEAV+obXyWtG+t/dHAC0
+WJ/VQzdC2YzcM2ldCB+fmV/DZ/FNSpPtZA6XXHn3F5w
+-> ssh-rsa LgF3EQ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+--- bKveyi5K1Tiy043Tu91aiCKPQA/cdByeqtmALrcBVVg
++ŽiËèjSR@ñ_{'I‚’“	·6O„è¿NU#k0>åç³ñw"d±Ò	„ðª~i

secrets/matrix.age

@@ -1,16 +1,15 @@
 age-encryption.org/v1
--> ssh-ed25519 7PLkJg WDFC+mhq1R/cg+akT6cLXXs9MHP5gJECaD8nXh/nISQ
+-> ssh-ed25519 7PLkJg mGCcc65g++aQZkeSrU++LsetGua2fr+ceoPRXfkKxiA
-eC80R+CqNYVXaTcwi+20DXf+u8oR5GDpjvbvOHxzRbY
+NV/ll2gaglRoAzEw+KSNiFoeDCBhPgpQhE4WAqf6bas
 -> ssh-rsa LgF3EQ
-WIyTE1SHErO8caYtYFRRmrvg7i4ZNRHXIsSyd62JNsXEcSQynyHtSo1eiI6VzSdG
+mm/QAyDnXj/BdoYf/SoaA0LqkEc07lFtkfKexC9jNTnCr1Bnmb0fdudFwTib1WeC
-dGiRMrF/SOam0OHMWs+1O3f/GBT+Uk76IeXMgYAdpX05PDlmo/JibgRf2O5Joqpw
+u1hsD1pCq8hYHoTtBFpr3uS2ShAyxjmTJ3al2cR4osGlUduQK/2F1RA3XVKm5i75
-oBgSkfTjKtwALUdILb/sXn54qVSxVhzcSZQdTiA/HpAYWMgxZnZKvQqKhjZan6C/
+FC3HJktqPS3fazlfqYJEvKnkIOAvMSBXPa4xOzjJIgP2iNP6L6R36SRoBwLAAJlI
-A65M+yFjha/QWJ2MMIVnQyE2mktmHSXpg9hzdC+GcpyZOsxFvRP0pOxqzHWd6eRx
+QQqn1jb0urxDT52Kn/einT/a5P8aiuiUUg3yYDe8PeHFGC3FeFiiLT02y8Fe0D10
-Mrzgk3oiYj41CuILHSacgJ5GN5Dxwqn4a7k0m1ishSbeWnKe1nurhL8HMtqJ5bKD
+JGfc1oJkk1U1G7jDess1JcTDPCn8DjosJfu5kpqKlz44NrmaxI5wgY4qdDEFHqfw
-zlHHyBsZtkQuXAh7Dn+slX8+lvfEbZdMZoON7Wn4nGsJWido3pvnHKSAUsBkTL28
+MqowuwzJctrk7pwNKzbNkm+QdV3cES7Bad1zNA5yM0OFQRYq/z5yoY3T8rmd4fbr
-7ULHlVH3m0gb9ELcRXcT6dVc0Kcdq8SFWzFx0eImv7DDp/xSBwyJfhzFgHEjPXQr
+iFqqyetmOekqA98QtVQD9oQlBaCtycdys11EH0ICdxuGl9frkRq4rkyxdk+DZc+3
-1OAPeTAVxFKvUmZNWosRYtSPN0yJoGzuXG07P3zL4xS8LmjImxLBZRIxNlDXQkcg
+WMbfGSlm3gZHJwVbKB9qof7JyquX8xgrj30N/HUS3fW057/1w7sU8HPBB9Qk0iG0
 
---- Uwzih4YPNY9s+j12ZEl5PL9jGoK9kt00f/UqW594mV4
+--- 32vmMGjG6jESWFPkw+RdCaQ6IQIsQOo1IBJn3GA8lq4
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+¿}µÕxS&³m}߸â°D í¿åêØ´ŠB–©é@¹#˜TFþÆc.¦Ó‰¯«fI6
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secrets/secrets.nix

@@ -7,4 +7,5 @@ in {
   "onlyoffice.age".publicKeys = [hitsugibune key];
   "speedtest-tracker.age".publicKeys = [saberofxebec key];
   "matrix.age".publicKeys = [hitsugibune key];
+  "coturn.age".publicKeys = [hitsugibune key];
 }