add gps

luci-app-gpoint-main/root/usr/share/gpoint/lib/locator.lua

@@ -0,0 +1,78 @@
+-------------------------------------------------------------------
+-- Module is designed to work with the Yandex Locator API
+-- (WiFi is required!)
+-------------------------------------------------------------------
+-- Copyright 2021-2022 Vladislav Kadulin <spanky@yandex.ru>
+-- Licensed to the GNU General Public License v3.0
+
+local json    = require("luci.jsonc")
+local sys     = require("luci.sys")
+local iwinfo  = require("iwinfo")
+
+locator = {}
+
+local function configJSON(jsonData, iface, key)
+	jsonData.common.api_key = key
+	local inter = iwinfo.type(iface)
+	local scanlist = iwinfo[inter].scanlist(iface)
+	for _, v in pairs(scanlist) do
+		v.bssid = string.gsub(v.bssid, ':', '')
+		table.insert(jsonData.wifi_networks, {["mac"] = v.bssid, ["signal_strength"] = v.signal})
+	end
+end
+
+local function request(curl, jsonData)
+	curl = curl .. json.stringify(jsonData) .. '\''
+	local res = sys.exec(curl)
+	if res == "" then
+		res = "{\"error\": {\"message\":\"No internet connection\"}}"
+	end
+	return json.parse(res)
+end
+
+-- Converter from degrees to NMEA data.
+function locator.degreesToNmea(coord)
+	local degrees = math.floor(coord)
+	coord = math.abs(coord) - degrees
+	local sign = coord < 0 and "-" or ""
+	return sign .. string.format("%02i%02.5f", degrees, coord * 60.00)
+end
+
+-- Getting data coordinates via Yandex API
+function locator.getLocation(iface_name, api_key)
+	local curl = "curl -X POST 'http://api.lbs.yandex.net/geolocation' -d 'json="
+	local jsonData = {
+		wifi_networks = {},
+		common = {
+			version = "1.0",
+			api_key = ""
+		}
+	}
+
+	configJSON(jsonData, iface_name, api_key)
+	local location = request(curl, jsonData)
+	local err = {false, "OK"}
+	local latitude  = ""
+	local longitude = ""
+	local altitude  = ""
+
+	if location.error then
+		err = {true, location.error.message}
+	end
+
+	if location.position then
+		if tonumber(location.position.precision) >= 100000  then
+			err = {true, "Bad precision"}
+		else
+			latitude  = string.format("%0.8f", location.position.latitude)
+			longitude = string.format("%0.8f", location.position.longitude)
+			if latitude == "" or longitude == "" then
+				err = {true, "Bad data..."}
+			end
+		end
+	end
+
+	return err, latitude, longitude
+end
+
+return locator