l autowifi: move into package, make more robust

1 files changed, 10 insertions, 83 deletions

diff --git a/lass/3modules/autowifi.nix b/lass/3modules/autowifi.nix
index b84569df8..9aa1a2d28 100644
--- a/lass/3modules/autowifi.nix
+++ b/lass/3modules/autowifi.nix
@@ -11,101 +11,28 @@ in {
       type = types.str;
       default = "/etc/wifis";
     };
+    enablePrisonBreak = mkOption {
+      type = types.bool;
+      default = false;
+    };
   };
 
   config = lib.mkIf cfg.enable {
     systemd.services.autowifi = {
       description = "Automatic wifi connector";
       wantedBy = [ "multi-user.target" ];
+      path = [ pkgs.networkmanager ];
       serviceConfig = {
         Type = "simple";
         Restart = "always";
         RestartSec = "10s";
-        ExecStart = pkgs.writers.writePython3 "autowifi" {} /* python3 */ ''
-          import subprocess
-          import time
-          import urllib.request
-
-
-          def connect(ssid, psk=None):
-              subprocess.run(["${pkgs.networkmanager}/bin/nmcli", "connection", "delete", "autowifi"])
-              print("connecting to {}".format(ssid))
-              if psk is None:
-                  subprocess.run(["${pkgs.networkmanager}/bin/nmcli", "device", "wifi", "connect", ssid, "name", "autowifi"])
-              else:
-                  subprocess.run(["${pkgs.networkmanager}/bin/nmcli", "device", "wifi", "connect", ssid, "name", "autowifi", "password", psk])
-
-
-          def scan():
-              wifis_raw = subprocess.check_output(["${pkgs.networkmanager}/bin/nmcli", "-t", "device", "wifi", "list", "--rescan", "yes"])
-              wifis_list = wifis_raw.split(b'\n')
-              wifis = []
-              for line in wifis_list:
-                  ls = line.split(b':')
-                  if len(ls) == 8:
-                      wifis.append({"ssid": ls[1], "signal": int(ls[5]), "crypto": ls[7]})
-              return wifis
-
-
-          def get_known_wifis():
-              wifis_lines = []
-              with open('${cfg.knownWifisFile}') as f:
-                  wifis_lines = f.read().splitlines()
-              wifis = []
-              for line in wifis_lines:
-                  ls = line.split(':')
-                  wifis.append({"ssid": ls[0].encode(), "psk": ls[1].encode()})
-              return wifis
-
-
-          def check_internet():
-              try:
-                  beacon = urllib.request.urlopen('http://krebsco.de/secret')
-              except:  # noqa
-                  print("no internet")
-                  return False
-              if beacon.read() == b'1337\n':
-                  return True
-              print("no internet")
-              return False
-
-
-          def is_wifi_open(wifi):
-              if wifi['crypto'] == ${"b''"}:
-                  return True
-              else:
-                  return False
-
-
-          def is_wifi_seen(wifi, seen_wifis):
-              for seen_wifi in seen_wifis:
-                  if seen_wifi["ssid"] == wifi["ssid"]:
-                      return True
-              return False
-
-
-          def bloop():
-              while True:
-                  if not check_internet():
-                      wifis = scan()
-                      known_wifis = get_known_wifis()
-                      known_seen_wifis = [wifi for wifi in known_wifis if is_wifi_seen(wifi, wifis)]
-                      for wifi in known_seen_wifis:
-                          connect(wifi['ssid'], wifi['psk'])
-                          if check_internet():
-                              continue
-                      open_wifis = filter(is_wifi_open, wifis)
-                      for wifi in open_wifis:
-                          connect(wifi['ssid'])
-                          if check_internet():
-                              continue
-                  time.sleep(10)
-
-
-          bloop()
-        '';
+        ExecStart = "${autowifi}/bin/autowifi";
       };
     };
+
+    networking.networkmanager.dispatcherScripts = mkIf cfg.enablePrisonBreak [
+      { source = "${pkgs.callPackage <stockholm/makefu/5pkgs/prison-break}/bin/prison-break"; }
+    ];
   };
 }