135 lines
2.7 KiB
JavaScript
135 lines
2.7 KiB
JavaScript
var fs = require('fs');
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var md5File = require('md5-file');
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var express = require('express');
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var semverUtils = require('semver-utils')
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var client = require('./client');
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var httpPort = 3127;
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var stairsHost = '10.138.2.25';
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var stairsUdpPort = 3126;
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var firmwareFile = './update/firmware.bin';
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function requireNoCache(filename)
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{
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delete require.cache[require.resolve(filename)];
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return require(filename);
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}
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function isNewer(version1, version2)
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{
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if (version1.major > version2.major) return true;
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if (version1.major < version2.major) return false;
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if (version1.minor > version2.minor) return true;
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if (version1.minor < version2.minor) return false;
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if (version1.patch > version2.patch) return true;
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if (version1.patch < version2.patch) return false;
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if (parseInt(version1.build, 10) > parseInt(version2.build, 10)) return true;
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return false;
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}
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client.init(stairsHost, stairsUdpPort);
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var app = express();
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app.get('/ping', function(req, res)
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{
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client.ping(function(data, error)
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{
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if (error)
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res.status(500);
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res.send(data);
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});
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});
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app.get('/getMode', function(req, res)
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{
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client.getMode(function(data, error)
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{
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if (error)
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res.status(500);
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res.send(data);
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});
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});
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app.get('/setMode/:mode', function(req, res)
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{
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client.setMode(req.params.mode, req.query, function(data, error)
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{
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if (error)
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res.status(500);
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res.send(data);
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});
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});
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app.get('/updateFirmware', function(req, res)
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{
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client.updateFirmware(req.query, function(data, error)
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{
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if (error)
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res.status(500);
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res.send(data);
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});
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})
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app.get('/checkUpdate', function(req, res)
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{
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if (!fs.existsSync(firmwareFile))
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{
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console.log('checkUpdate: ' + firmwareFile + ' not found!');
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res.sendStatus(304);
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return;
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}
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var version = requireNoCache('./version.js');
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var deviceVersion = semverUtils.parse(req.headers['x-esp8266-version']);
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var localVersion = semverUtils.parse(version.Version);
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console.log('checkUpdate:');
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console.log(' Device version = ' + semverUtils.stringify(deviceVersion));
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console.log(' Local version = ' + semverUtils.stringify(localVersion));
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if (isNewer(localVersion, deviceVersion))
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{
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console.log('Sending update');
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md5File(firmwareFile, function(err, hash)
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{
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if (err)
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{
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res.sendStatus(500);
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return;
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}
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res.set('Content-Length', fs.statSync(firmwareFile).size);
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res.set('x-MD5', hash);
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res.download(firmwareFile);
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});
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}
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else
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{
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console.log('No update required');
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res.sendStatus(304);
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}
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});
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app.use(express.static(__dirname + '/static'));
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app.listen(httpPort, function ()
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{
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console.log('Stairs ReST service running on port ' + httpPort);
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}); |