You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

615 lines
29 KiB

/* eslint-disable no-inner-declarations */
module.exports = function(RED) {
"use strict";
var fs = require('fs');
var path = require("path");
var express = require("express");
var compression = require("compression");
var sockjs = require('sockjs');
var sockets = {};
RED.log.info("Worldmap version " + require('./package.json').version );
// add the cgi module for serving local maps.... only if mapserv exists
if (fs.existsSync((__dirname + '/mapserv'))) {
RED.httpNode.use("/cgi-bin/mapserv", require('cgi')(__dirname + '/mapserv'));
}
var pmtiles;
var pmtilesopts;
try {
pmtiles = fs.readdirSync(__dirname + '/worldmap').filter(fn => fn.endsWith('.pmtiles'));
pmtiles.forEach(file => { fs.unlinkSync(__dirname + '/worldmap/'+file); })
pmtiles = fs.readdirSync(RED.settings.userDir).filter(fn => fn.endsWith('.pmtiles'));
pmtilesopts = fs.readFileSync(RED.settings.userDir+'/pmtiles.opts');
pmtilesopts = JSON.parse(pmtilesopts);
}
catch(e) {};
function worldMap(node, n) {
var allPoints = {};
RED.nodes.createNode(node,n);
node.lat = n.lat || "";
node.lon = n.lon || "";
node.zoom = n.zoom || "";
node.layer = n.layer || "";
node.cluster = n.cluster || "";
node.maxage = n.maxage || "";
node.showmenu = n.usermenu || "show";
node.layers = n.layers || "show";
node.panlock = n.panlock || "false";
node.zoomlock = n.zoomlock || "false";
node.panit = n.panit || "false";
node.hiderightclick = n.hiderightclick || "false";
node.coords = n.coords || "none";
node.showgrid = n.showgrid || "false";
node.showruler = n.showruler || "false";
node.allowFileDrop = n.allowFileDrop || "false";
node.path = n.path || "/worldmap";
node.maplist = n.maplist;
node.overlist = n.overlist;
node.mapname = n.mapname || "";
node.mapurl = n.mapurl || "";
node.mapopt = n.mapopt || "";
node.mapwms = n.mapwms || false;
if (n.maplist === undefined) { node.maplist = "OSMG,OSMC,EsriC,EsriS,UKOS"; }
if (n.overlist === undefined) { node.overlist = "DR,CO,RA,DN"; }
try { node.mapopt2 = JSON.parse(node.mapopt); }
catch(e) { node.mapopt2 = null; }
if (node.path.charAt(0) != "/") { node.path = "/" + node.path; }
if (!sockets[node.path]) {
var libPath = path.posix.join(RED.settings.httpNodeRoot, node.path, 'leaflet', 'sockjs.min.js');
var sockPath = path.posix.join(RED.settings.httpNodeRoot,node.path,'socket');
sockets[node.path] = sockjs.createServer({prefix:sockPath, sockjs_url:libPath, log:function(s,e) { return; }});
sockets[node.path].installHandlers(RED.server);
sockets[node.path].on('error', function(e) { node.error("Socket Connection Error: "+e.stack); });
}
//node.log("Serving "+__dirname+" as "+node.path);
node.log("started at "+node.path);
var clients = {};
RED.httpNode.get("/-worldmap3d-key", RED.auth.needsPermission('worldmap3d.read'), function(req, res) {
if (process.env.MAPBOXGL_TOKEN) {
res.send({key:process.env.MAPBOXGL_TOKEN});
}
else {
node.error("No API key set");
res.send({key:''})
}
});
RED.httpNode.use(compression());
RED.httpNode.use(node.path, express.static(__dirname + '/worldmap'));
// RED.httpNode.use(node.path, express.static(__dirname + '/worldmap', {maxage:3600000}));
var sendToRest = function(m,id) {
for (var c in clients) {
if (clients.hasOwnProperty(c) && c !== id) {
// console.log("RESEND",m);
clients[c].write(JSON.stringify(m));
}
}
}
var callback = function(client) {
if (!client.headers.hasOwnProperty("user-agent")) { client.close(); }
//client.setMaxListeners(0);
clients[client.id] = client;
client.on('data', function(message) {
message = JSON.parse(message);
// console.log("ACTION",message.action,client.id,message)
if (message.action === "connected") {
var m = {};
var c = {init:true};
c.maplist = node.maplist;
c.overlist = node.overlist;
if (node.layer && node.layer == "Custom") {
m.name = node.mapname;
m.url = node.mapurl;
m.opt = node.mapopt2;
if (node.mapwms === true) { m.wms = true; }
client.write(JSON.stringify({command:{map:m}}));
c.layer = m.name;
}
else {
if (node.layer && node.layer.length > 0) { c.layer = node.layer; }
}
if (node.lat && node.lat.length > 0) { c.lat = node.lat; }
if (node.lon && node.lon.length > 0) { c.lon = node.lon; }
if (node.zoom && node.zoom.length > 0) { c.zoom = node.zoom; }
if (node.cluster && node.cluster.length > 0) { c.cluster = node.cluster; }
if (node.maxage && node.maxage.length > 0) { c.maxage = node.maxage; }
c.showmenu = node.showmenu;
c.panit = node.panit;
c.panlock = node.panlock;
c.zoomlock = node.zoomlock;
c.showlayers = node.layers;
c.grid = {showgrid:node.showgrid};
c.ruler = {showruler:node.showruler};
c.hiderightclick = node.hiderightclick;
c.allowFileDrop = node.allowFileDrop;
c.coords = node.coords;
if (node.name) { c.toptitle = node.name; }
//console.log("INIT",c)
client.write(JSON.stringify({command:c}));
for (var p=0; p<pmtiles.length; p++) {
fs.symlink(RED.settings.userDir+'/'+pmtiles[p], __dirname+'/worldmap/'+pmtiles[p], 'file', (err) => {
if (err) {
if (err.code !== "EEXIST") { console.log(err); }
}
})
client.write(JSON.stringify({command: {map: {name:pmtiles[p].split('.')[0], pmtiles:pmtiles[p], opt:pmtilesopts }}}));
}
var o = Object.values(allPoints);
o.map(v => delete v.tout);
setTimeout(function() { client.write(JSON.stringify(o)) }, 250);
}
if (message.action === "draw") {
delete message.action;
delete message.type;
if (message.options) { delete message.options.pane; }
allPoints[message.name] = RED.util.cloneMessage(message);
sendToRest(message,client.id);
}
if (message.action === "point") {
delete message.action;
sendToRest(message,client.id);
}
if (message.action === "move") {
delete message.action;
delete message.from;
sendToRest(message,client.id);
}
if (message.action === "delete" || message.action === "drawdelete") {
delete allPoints[message.name];
sendToRest(message,client.id);
}
});
client.on('close', function() {
delete clients[client.id];
node.status({fill:"green",shape:"ring",text:"connected "+Object.keys(clients).length,_sessionid:client.id});
});
node.status({fill:"green",shape:"dot",text:"connected "+Object.keys(clients).length,_sessionid:client.id});
}
node.on('input', function(msg) {
if (!msg.hasOwnProperty("payload")) { node.warn("Missing payload"); return; }
if (msg.payload.hasOwnProperty("command") && msg.payload.command.hasOwnProperty("map") && msg.payload.command.map.hasOwnProperty("pmtiles")) {
if (msg.payload.command.map.pmtiles.indexOf("http") !== 0) {
fs.symlink(msg.payload.command.map.pmtiles, __dirname+'/worldmap/'+msg.payload.command.map.name+'.pmtiles', 'file', (err) => {
if (err) {
if (err.code !== "EEXIST") { node.log("PMTiles "+err.code,msg); }
}
});
msg.payload.command.map.pmtiles = msg.payload.command.map.name+'.pmtiles';
}
}
if (msg.hasOwnProperty("_sessionid")) {
if (clients.hasOwnProperty(msg._sessionid)) {
clients[msg._sessionid].write(JSON.stringify(msg.payload));
}
}
else {
for (var c in clients) {
if (clients.hasOwnProperty(c)) {
clients[c].write(JSON.stringify(msg.payload));
}
}
}
if (msg.payload.hasOwnProperty("name") && !msg.hasOwnProperty("_sessionid")) {
allPoints[msg.payload.name] = RED.util.cloneMessage(msg.payload);
var t = node.maxage || 3600;
if (msg.payload.ttl && msg.payload.ttl < t) { t = msg.payload.ttl; }
allPoints[msg.payload.name].tout = setTimeout( function() { delete allPoints[msg.payload.name] }, t * 1000 );
}
});
node.on("close", function() {
for (var c in clients) {
if (clients.hasOwnProperty(c)) {
clients[c].end();
}
}
clients = {};
sockets[node.path].removeListener('connection', callback);
for (var i=0; i < RED.httpNode._router.stack.length; i++) {
var r = RED.httpNode._router.stack[i];
if ((r.name === "serveStatic") && (r.regexp.test(node.path))) {
RED.httpNode._router.stack.splice(i, 1)
}
}
node.status({});
});
sockets[node.path].on('connection', callback);
}
var WorldMap = function(n) {
worldMap(this, n);
}
RED.nodes.registerType("worldmap",WorldMap);
function HTML(ui, config) {
var width = config.width;
if (width == 0) {
var group = RED.nodes.getNode(config.group);
if (group) { width = group.config.width; }
}
var height = config.height;
if (height == 0) { height = 10; }
var size = ui.getSizes();
var frameWidth = (size.sx + size.cx) * width - size.cx;
var frameHeight = (size.sy + size.cy) * height - size.cy + 40;
var url = encodeURI(path.posix.join(RED.settings.httpNodeRoot||RED.settings.httpRoot,config.path));
if (config.layer === "MB3d") { url += "/index3d.html"; }
var html = `<style>.nr-dashboard-ui_worldmap{padding:0;}</style><div style="overflow:hidden;">
<iframe src="${url}" width="${frameWidth}px" height="${frameHeight}px" style="border:none;"></iframe></div>`;
return html;
}
function checkConfig(node, conf) {
if (!conf || !conf.hasOwnProperty("group")) {
node.error("no group");
return false;
}
return true;
}
var ui = undefined;
try {
ui = RED.require("node-red-dashboard")(RED);
}
catch(e) {
RED.log.info("Node-RED Dashboard not found - ui_worldmap not installed.");
}
setTimeout( function() {
if (ui) {
function UIWorldMap(config) {
try {
var node = this;
worldMap(node, config);
var done = null;
if (checkConfig(node, config)) {
var html = HTML(ui, config);
done = ui.addWidget({
node: node,
order: config.order,
group: config.group,
width: config.width,
height: config.height,
format: html,
templateScope: "local",
emitOnlyNewValues: false,
forwardInputMessages: false,
storeFrontEndInputAsState: false,
convertBack: function (value) {
return value;
},
beforeEmit: function(msg, value) {
return { msg: { items: value } };
},
beforeSend: function (msg, orig) {
if (orig) { return orig.msg; }
},
initController: function($scope, events) {
}
});
}
}
catch (e) {
console.log(e);
}
node.on("close", function() {
if (done) { done(); }
});
}
setImmediate(function() { RED.nodes.registerType("ui_worldmap", UIWorldMap) });
}
}, 100);
var WorldMapIn = function(n) {
RED.nodes.createNode(this,n);
this.path = n.path || "/worldmap";
this.events = n.events || "connect,disconnect,point,bounds,files,draw,other";
if (this.path.charAt(0) != "/") { this.path = "/" + this.path; }
if (!sockets[this.path]) {
var libPath = path.posix.join(RED.settings.httpNodeRoot, this.path, 'leaflet', 'sockjs.min.js');
var sockPath = path.posix.join(RED.settings.httpNodeRoot,this.path,'socket');
sockets[this.path] = sockjs.createServer({prefix:sockPath, sockjs_url:libPath, log:function() { return; }});
sockets[this.path].installHandlers(RED.server);
}
var node = this;
var clients = {};
var callback = function(client) {
//client.setMaxListeners(0);
clients[client.id] = client;
//get ip of user connected to the _sessionid, check to see if its proxied first
var sessionip = client.headers['x-real-ip'] || client.headers['x-forwarded-for'] || client.remoteAddress;
node.status({fill:"green",shape:"dot",text:"connected "+Object.keys(clients).length,_sessionid:client.id});
client.on('data', function(message) {
message = JSON.parse(message);
if (message.hasOwnProperty("action")) {
if ((node.events.indexOf("connect")!==-1) && (message.action === "connected")) {
setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id, _sessionip:sessionip, _clientheaders:client.headers})});
}
if ((node.events.indexOf("bounds")!==-1) && (message.action === "bounds")) {
setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id, _sessionip:sessionip})});
}
if ((node.events.indexOf("point")!==-1) && ((message.action === "point")||(message.action === "move")||(message.action === "delete") )) {
setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id, _sessionip:sessionip})});
}
if ((node.events.indexOf("layer")!==-1) && (message.action.indexOf("layer") !== -1) ) {
setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id, _sessionip:sessionip})});
}
if ((node.events.indexOf("files")!==-1) && (message.action === "file")) {
message.content = Buffer.from(message.content.split('base64,')[1], 'base64');
setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id, _sessionip:sessionip})});
}
if ((node.events.indexOf("draw")!==-1) && ((message.action === "draw")||(message.action === "drawdelete"))) {
setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id, _sessionip:sessionip})});
}
if (node.events.indexOf("other")!==-1 && "connected,point,delete,move,draw,drawdelete,files,bounds".indexOf(message.action) === -1) {
setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id, _sessionip:sessionip})});
}
}
});
client.on('close', function() {
delete clients[client.id];
node.status({fill:"green",shape:"ring",text:"connected "+Object.keys(clients).length,_sessionid:client.id});
if (node.events.indexOf("disconnect")!==-1) {
node.send({payload:{action:"disconnect", clients:Object.keys(clients).length}, topic:node.path.substr(1), _sessionid:client.id, _sessionip:sessionip});
}
});
}
node.on("close", function() {
for (var c in clients) {
if (clients.hasOwnProperty(c)) {
clients[c].end();
}
}
clients = {};
sockets[this.path].removeListener('connection', callback);
node.status({});
});
sockets[this.path].on('connection', callback);
}
RED.nodes.registerType("worldmap in",WorldMapIn);
var WorldMapTracks = function(n) {
RED.nodes.createNode(this,n);
this.depth = parseInt(Number(n.depth) || 20);
this.pointsarray = {};
this.layer = n.layer || "combined"; // separate, single
this.smooth = n.smooth || false;
var node = this;
var bezierSpline = require("@turf/bezier-spline").default;
var doTrack = function(msg) {
if (msg.hasOwnProperty("payload") && msg.payload.hasOwnProperty("name")) {
var newmsg = RED.util.cloneMessage(msg);
if (msg.payload.deleted) {
if (msg.payload.name.substr(-1) === '_') {
var a = node.pointsarray[msg.payload.name.substr(0,msg.payload.name.length-1)].pop();
node.pointsarray[msg.payload.name.substr(0,msg.payload.name.length-1)] = [ a ];
node.send(newmsg);
}
else {
delete node.pointsarray[msg.payload.name];
}
//newmsg.payload.name = msg.payload.name + "_";
node.send(newmsg);
return;
}
if (!msg.payload.hasOwnProperty("lat") || !msg.payload.hasOwnProperty("lon")) { return; }
if (!node.pointsarray.hasOwnProperty(msg.payload.name)) {
node.pointsarray[msg.payload.name] = [];
}
if (msg.payload.hasOwnProperty("trackpoints") && !isNaN(parseInt(msg.payload.trackpoints)) ) {
var tl = parseInt(msg.payload.trackpoints);
if (tl < 0) { tl = 0; }
if (node.pointsarray[msg.payload.name].length > tl) {
node.pointsarray[msg.payload.name] = node.pointsarray[msg.payload.name].slice(-tl);
}
node.depth = tl;
}
if (node.depth < 2) { return; } // if set less than 2 then don't bother.
var still = false;
if (node.pointsarray[msg.payload.name].length > 0) {
var oldlat = node.pointsarray[msg.payload.name][node.pointsarray[msg.payload.name].length-1].lat;
var oldlon = node.pointsarray[msg.payload.name][node.pointsarray[msg.payload.name].length-1].lon;
if (msg.payload.lat === oldlat && msg.payload.lon === oldlon) { still = true; }
}
if (!still) { node.pointsarray[msg.payload.name].push(msg.payload);
if (node.pointsarray[msg.payload.name].length > node.depth) {
node.pointsarray[msg.payload.name].shift();
}
}
var line = [];
for (var i=0; i<node.pointsarray[msg.payload.name].length; i++) {
var m = node.pointsarray[msg.payload.name][i];
if (m.hasOwnProperty("lat") && m.hasOwnProperty("lon")) {
line.push( [m.lat*1, m.lon*1] );
delete newmsg.payload.lat;
delete newmsg.payload.lon;
}
if (m.hasOwnProperty("latitude") && m.hasOwnProperty("longitude")) {
line.push( [m.latitude*1, m.longitude*1] );
delete newmsg.payload.latitude;
delete newmsg.payload.longitude;
}
if (m.hasOwnProperty("position") && m.position.hasOwnProperty("lat") && m.position.hasOwnProperty("lon")) {
line.push( [m.position.lat*1, m.position.lon*1] );
delete newmsg.payload.position;
}
}
if (line.length > 1) { // only send track if two points or more
if (node.smooth) {
var curved = bezierSpline({"type":"Feature", "properties":{}, "geometry":{"type":"LineString", "coordinates":line }});
newmsg.payload.line = curved.geometry.coordinates;
}
else {
newmsg.payload.line = line;
}
newmsg.payload.name = msg.payload.name + "_";
if (node.layer === "separate") {
newmsg.payload.layer = msg.payload.layer + " tracks";
if (newmsg.payload.layer.indexOf('_') === 0) {
newmsg.payload.layer = newmsg.payload.layer.substr(1);
}
}
if (node.layer === "single") {
newmsg.payload.layer = "Tracks";
}
node.send(newmsg); // send the track
}
}
if (msg.hasOwnProperty("payload") && msg.payload.hasOwnProperty("command") && msg.payload.command.hasOwnProperty("clear")) {
for (var p in node.pointsarray) {
if (node.pointsarray.hasOwnProperty(p)) {
if (node.pointsarray[p][0].layer === msg.payload.command.clear) {
delete node.pointsarray[p];
}
}
}
}
}
node.on("input", function(m) {
if (Array.isArray(m.payload)) {
m.payload.forEach(function (pay) {
var n = RED.util.cloneMessage(m)
n.payload = pay;
doTrack(n);
});
}
else {
doTrack(m);
}
});
node.on("close", function() {
node.pointsarray = {};
});
}
RED.nodes.registerType("worldmap-tracks",WorldMapTracks);
var WorldMapHull = function(n) {
RED.nodes.createNode(this,n);
this.prop = n.prop || "layer";
var node = this;
node.oldlayercount = {};
node.hulls = {};
var convexHull = function(points) {
var arr = [];
for (const val of Object.values(points)) {
arr.push(val);
}
arr.sort(function (a, b) {
return a.lat != b.lat ? a.lat - b.lat : a.lon - b.lon;
});
var n = arr.length;
var hull = [];
for (var i = 0; i < 2 * n; i++) {
var j = i < n ? i : 2 * n - 1 - i;
while (hull.length >= 2 && removeMiddle(hull[hull.length - 2], hull[hull.length - 1], arr[j]))
hull.pop();
hull.push(arr[j]);
}
hull.pop();
return hull;
}
var removeMiddle = function(a, b, c) {
var cross = (a.lat- b.lat) * (c.lon - b.lon) - (a.lon - b.lon) * (c.lat- b.lat);
var dot = (a.lat- b.lat) * (c.lat- b.lat) + (a.lon - b.lon) * (c.lon - b.lon);
return cross < 0 || cross == 0 && dot <= 0;
}
var doHull = function(msg) {
if (msg.hasOwnProperty("payload") && msg.payload.hasOwnProperty("name")) {
var newmsg = RED.util.cloneMessage(msg);
newmsg.payload = {};
newmsg.payload[node.prop] = msg.payload[node.prop] || "unknown";
if (msg.payload.deleted === true) {
if (node.hulls.hasOwnProperty(newmsg.payload[node.prop])) {
delete node.hulls[newmsg.payload[node.prop]][msg.payload.name];
}
}
else {
if (!msg.payload.hasOwnProperty("lat") || !msg.payload.hasOwnProperty("lon")) { return; }
if (!node.hulls.hasOwnProperty(newmsg.payload[node.prop])) {
node.hulls[newmsg.payload[node.prop]] = {};
}
node.hulls[newmsg.payload[node.prop]][msg.payload.name] = {lat:msg.payload.lat,lon:msg.payload.lon};
}
var convexHullPoints = convexHull(node.hulls[newmsg.payload[node.prop]]);
var leafletHull = convexHullPoints.map(function (element) {return ([element.lat,element.lon])})
newmsg.payload.name = newmsg.payload[node.prop];
newmsg.payload.clickable = true;
if (msg.payload.fillColor) {
newmsg.payload.color = msg.payload.fillColor;
newmsg.payload.fillColor = msg.payload.fillColor;
}
if (node.oldlayercount[newmsg.payload[node.prop]] === undefined) {
node.oldlayercount[newmsg.payload[node.prop]] = 0;
}
var oldl = node.oldlayercount[newmsg.payload[node.prop]];
if (leafletHull.length === 1 && oldl === 2) {
newmsg.payload.deleted = true;
node.send(newmsg);
}
if (leafletHull.length === 2 && (oldl === 1 || oldl === 3)) {
var newmsg2 = RED.util.cloneMessage(newmsg);
newmsg2.payload.deleted = true;
node.send(newmsg2);
newmsg.payload.line = leafletHull;
node.send(newmsg);
}
if (leafletHull.length === 3 && oldl === 2) {
var newmsg3 = RED.util.cloneMessage(newmsg);
newmsg3.payload.deleted = true;
node.send(newmsg3);
}
if (leafletHull.length >= 3) {
newmsg.payload.area = leafletHull;
node.send(newmsg);
}
node.oldlayercount[newmsg.payload[node.prop]] = leafletHull.length;
}
}
node.on("input", function(m) {
if (Array.isArray(m.payload)) {
m.payload.forEach(function (pay) {
var n = RED.util.cloneMessage(m)
n.payload = pay;
doHull(n);
});
}
else {
doHull(m);
}
});
node.on("close", function() {
node.hulls = {};
});
}
RED.nodes.registerType("worldmap-hull",WorldMapHull);
RED.httpAdmin.get("/-ui-worldmap", RED.auth.needsPermission('rpi-ui-worldmap.read'), function(req, res) {
res.send(ui ? "true": "false");
});
}