liquidvoting.server/server.js at master · liquidvoting/liquidvoting.server · GitHub

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'use strict';
const Hapi = require('hapi');
const Inert = require('inert');
const Path = require('path');
var Web3 = require('web3');
var locus = require('locus');
var fs = require('fs');
var config = require('config');

var nodehost = config.get('nodehost');
var rocport = config.get('rocport');
var apphost = config.get('apphost');
var appport = config.get('appport');

var aadhar_data = JSON.parse(fs.readFileSync('mocked_aadhar_api.json', 'utf8'));

const server = new Hapi.Server({
  connections: {
    routes: {
      files: {
        relativeTo: Path.join(__dirname, 'uploads')
      },
      cors: {
        origin: ['*']
      }
    }
  }
});

var ethRpcNode = "http://"+nodehost+":"+rocport;

var web3 = new Web3(new Web3.providers.HttpProvider(ethRpcNode));
var coinbase = web3.eth.coinbase;
var balance = web3.eth.getBalance(coinbase);

server.connection({
  host: apphost,
  port: appport
});
server.register(Inert, () => {});

server.route({
  method: 'GET',
  path: '/ping',
  config: {
    cors: {
      origin: ['*'],
      additionalHeaders: ['cache-control', 'x-requested-with']
    }
  },
  handler: function (request, reply) {
    reply('pong');
  }
});

server.route({
  method: 'GET',
  path: '/',
  config: {
    cors: {
      origin: ['*'],
      additionalHeaders: ['cache-control', 'x-requested-with']
    }
  },
  handler: function (request, reply) {
    reply('Hello there');
  }
});


function createServeWallet(password) {
  return web3.personal.newAccount(password);
}

server.route({
  method: 'GET',
  path: '/{param*}',
  handler: {
    directory: {
      path: '.',
      redirectToSlash: true,
      index: true
    }
  }
});

server.route({
  method: 'POST',
  path: '/validateaadhaar',
  config: {
    cors: {
      origin: ['*'],
      additionalHeaders: ['cache-control', 'x-requested-with']
    },
    payload: {
      output: 'stream',
      parse: true,
      allow: 'multipart/form-data'
    },

    handler: function (request, reply) {
      var data = request.payload;
      if (data.file) {
        var name = data.file.hapi.filename;
        var path = __dirname + "/uploads/" + name;
        var file = fs.createWriteStream(path);

        file.on('error', function (err) {
          console.error(err)
        });

        data.file.pipe(file);

        data.file.on('end', function (err) {
          var ret = {
            filename: data.file.hapi.filename,
            headers: data.file.hapi.headers
          }
          var filename = file.path;
          fs.readFile(filename, 'utf8', function(err, content) {
            if (err) throw err;
            var aadhar_id = request.payload.aadhar_id
            if(aadhar_data[aadhar_id] == undefined){
              reply({
                "status": "error",
                "message": "aadhar_id invalid"
              }).code(402)
            }else if(content == aadhar_data[aadhar_id]["fingerprint"]){
              var wallet = createServeWallet('123');
              reply(wallet);
            }else{
              reply({
                "status": "error",
                "message": "aadhar_id and fingerprint do not match"
              }).code(402)
            }

          });
        })
      }

    }
  }
});


server.start((err) => {
  if (err) {
    throw err;
  }
  console.log('Server running at:', server.info.uri);
});