transcoding-server/server.js at master · edeviant/transcoding-server · GitHub

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'use strict'
require('dotenv').config();

// url: /i/{encoded src url}/{WxH}/{name?.format}
// url: /l/{path to file}/{WxH}/{name?.format}
// url: /i/{WxH}/{name?.format}?src={src file url}
// url: /s/{WxH}/{name?.format}?src={s3 path}

const sharp   = require('sharp'),
      resizer = require('./resizer'),
      s3src   = require('./s3-src'),
      Hapi    = require('hapi'),
      fs      = require('fs'),
      mime    = require('mime'),
      request = require('request');

// create server
const server = new Hapi.Server();
server.connection({
    host: 'localhost',
    port: process.env.PORT || 8000
});

// read from url
server.route({
    method: 'GET',
    path:'/i/{src}/{size}/{name}',
    handler: function (req, reply) {
      return reply(request(req.params.src)
              .pipe(resizer(req.params.size, req.params.name)))
              .header('Content-Type', mime.lookup(req.params.name));
    }
});

// read from url
server.route({
    method: 'GET',
    path:'/i/{size}/{name}',
    handler: function (req, reply) {
      if (!req.query.src) {
        console.log(req.query);
        return reply({ "message": "Source image required" }).code(500);
      } else {
        return reply(request(req.query.src)
                .pipe(resizer(req.params.size, req.params.name)))
                .header('Content-Type', mime.lookup(req.params.name));
      }
    }
});

// read from s3
server.route({
    method: 'GET',
    path:'/s/{size}/{name}',
    handler: function (req, reply) {
      if (!req.query.src) {
        console.log(req.query);
        return reply({ "message": "Source image required" }).code(500);
      } else {
        return reply(s3src(req.query.src)
                .pipe(resizer(req.params.size, req.params.name)))
                .header('Content-Type', mime.lookup(req.params.name));
      }
    }
});

// read from local
server.route({
    method: 'GET',
    path:'/l/{path}/{size}/{name}',
    handler: function (req, reply) {
      return reply(fs.createReadStream(`./assets/${req.params.path}`)
              .pipe(resizer(req.params.size, req.params.name)))
              .header('Content-Type', mime.lookup(req.params.name));
    }
});

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