40 lines
1.7 KiB
Nix
40 lines
1.7 KiB
Nix
# OLS: Offline Location Service: <https://codeberg.org/tpikonen/ols>
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# fields {wifi SSID,cell tower} -> lat/long queries from geoclue
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# satisfies queries via an on-device cell database (see `pkgs.opencellid`)
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#
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# it listens on localhost:8088, and one can validate its operation with a query like (substitute macAddresses for something real):
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# - WiFi: curl -d '{"wifiAccessPoints":[{"macAddress":"01:23:45:67:89:ab","signalStrength":-78},{"macAddress":"cd:ef:01:23:45:56","signalStrength":-76}]}' http://127.0.0.1:8088/v1/geolocate
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# - Cell: curl -d '{"cellTowers":[{ "radioType": "lte", "mobileCountryCode": 310, "mobileNetworkCode": 260, "locationAreaCode": NNNNN, "cellId": MMMMMMMM }]}' http://127.0.0.1:8088/v1/geolocate
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# - get parameters from `mmcli -m any --location-enable-3gpp` + `mmcli -m any --location-get`
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# use `tracking area code` and `cell id` (both in hex)
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#
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# it USED to use WiGLE, but they're pretty determined to make their service unusable.
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# - IRC: #wigle on WiGLE.net:6667
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{ pkgs, ... }:
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{
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sane.programs.ols = {
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packageUnwrapped = pkgs.geoclue-ols;
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fs.".config/ols/cell.db".symlink.target = pkgs.runCommandLocal "cell.db" {
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nativeBuildInputs = [ pkgs.geoclue-ols ];
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} ''
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cellid-ols-import -o "$out" "${pkgs.opencellid}"
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'';
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persist.byStore.private = [
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".local/share/ols"
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];
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secrets.".config/ols/ols.toml" = ../../../secrets/common/ols.toml.bin;
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sandbox.net = "localhost";
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services.ols = {
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description = "ols: Offline Location Service";
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command = "ols";
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# command = "ols 2>&1"; # XXX: it logs to stderr, and my s6 infrastructure apparently doesn't handle that
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partOf = [ "graphical-session" ];
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};
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};
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}
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