From c4bdda02aaf9203a63fc334266afce5b579032fb Mon Sep 17 00:00:00 2001
From: Fabien Benetou <fabien@benetou.fr>
Date: Thu, 4 May 2023 07:43:13 +0200
Subject: [PATCH] p2p scan/avail and editor basis core

---
 index.js | 81 +++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 72 insertions(+), 9 deletions(-)

diff --git a/index.js b/index.js
index 7c93134..ec2fbe2 100644
--- a/index.js
+++ b/index.js
@@ -1,12 +1,11 @@
-// Load required modules
-// note that for WebXR, e.g SpaSca, https is required, even if using own certifcate
-	// see how it's done for offline NAF
-const http = require("http");                 // http server core module
+const fs = require("fs");
+const http = require("http");
+const https = require("https");
 const path = require("path");
-const express = require("express");           // web framework external module
 const {execSync}  = require('child_process');
+const express = require("express");           // could be good to replace with code, no dep
 
-// Get port or default to 8080
+// Get port or default to 8082
 const port = process.env.PORT || 8082;
 
 // Setup and configure Express http server.
@@ -91,21 +90,73 @@ app.get('/hmdlink/set', (req, res) => { // could be a PUT instead
 	dynURL = req.query.url 
 	res.redirect( dynURL )
 })
+app.get('/webxr', (req, res) => {
+	res.redirect( '/local-metaverse-tooling/local-aframe-test.html' )
+})
 app.get('/hmdlink', (req, res) => {
 	res.redirect( dynURL )
 })
 app.get('/json', (req, res) => {
 	res.json( instructions.split('\n') )
 })
+app.get('/available', (req, res) => {
+	res.json( true )
+})
+app.get('/foundpeers', (req, res) => {
+	res.json( foundPeers )
+})
+let foundPeers = []
+app.get('/scan', (req, res) => {
+	for (let i=1;i<25;i++){ // async so blasting, gives very quick result for positives
+		let url='https://192.168.4.'+i+':8082/available'
+		let opt={rejectUnauthorized: false}
+		https.get(url, opt, res => {
+		  let data = '';
+		  res.on('data', chunk => {
+		    data += chunk;
+		  });
+		  res.on('end', () => {
+		    data = JSON.parse(data);
+		    foundPeers.push(i)
+			  // could also register there and then
+		  })
+		}).on('error', err => {
+		  //console.log(err.message); usually ECONNREFUSED or EHOSTUNREACH
+		}).end()
+	}
+	res.json( {msg: 'started'} ) // could redirect('/foundpeers') too
+})
 app.get('/', (req, res) => {
 	res.send( instructions )
 })
 app.get('/localprototypes', (req, res) => {
-	res.json( spawn('find Prototypes/ -iwholename */.git/config | xargs grep git.benetou.fr') )
+	// res.json( spawn('find Prototypes/ -iwholename */.git/config | xargs grep git.benetou.fr') )
+	// should use execSync now
+})
+app.get('/editor/recover', (req, res) => {
+	// could move the previous file with time stamp
+	fs.copyFileSync(minfileSaveFullPath, fileSaveFullPath )
+	res.json( {msg: 'copied'} ) 
+})
+let filename = 'editor.html'
+let fileSaveFullPath = path.join(__dirname,'examples', filename)
+let minfilename = 'editor.html.minimal'
+let minfileSaveFullPath = path.join(__dirname,'examples', minfilename)
+app.get('/editor/read', (req, res) => {
+	content = fs.readFileSync(fileSaveFullPath ).toString()
+	res.json( {msg: content} ) 
+})
+app.get('/editor/save', (req, res) => {
+	let content = req.query.content // does not escape, loses newlines
+	if (!content){
+		res.json( {msg: 'missing content'} )
+	} else {
+		console.log('writting', content)
+		fs.writeFileSync(fileSaveFullPath, content)
+		res.json( {msg: 'written to '+fileSaveFullPath} )
+	}
 })
 
-const https = require("https");
-const fs = require("fs");
 const privateKey = fs.readFileSync("naf-key.pem", "utf8");
 const certificate = fs.readFileSync("naf.pem", "utf8");
 const credentials = { key: privateKey, cert: certificate };
@@ -117,3 +168,15 @@ const webServer = https.createServer(credentials, app);
 webServer.listen(port, () => {
     console.log("listening on http://localhost:" + port);
 });
+/*
+ e.g AFTER mounting
+	 f.readdirSync('./sshfsmounts/').map( d=>f.readdirSync('./sshfsmounts/'+d) )
+ location : /home/deck/Prototypes/offline-octopus/sshfsmounts
+  sshfs remarkable2:/home/root/xochitl-data/ remarkable2/
+  works if available
+  sshfs fabien@192.168.4.1:/home/fabien/ rpi0/
+  still prompts for password, need manual login
+  ls rpi0/
+  ls remarkable2/
+  */
+