middleware.js

var bcrypt = require('bcryptjs');
const knox = require('knox');
const fs = require('fs');
let secrets;




module.exports.hashPassword = function (plainTextPassword) {
    return new Promise(function(resolve, reject) {
        bcrypt.genSalt(function(err, salt) {
            if (err) {
                return reject(err);
            }
            bcrypt.hash(plainTextPassword, salt, function(err, hash) {
                if (err) {
                    return reject(err);
                }
                resolve(hash);
            });
        });
    });
};

module.exports.checkPassword = function (textEnteredInLoginForm, hashedPasswordFromDatabase) {
    return new Promise(function(resolve, reject) {
        bcrypt.compare(textEnteredInLoginForm, hashedPasswordFromDatabase, function(err, doesMatch) {
            if (err) {
                reject(err);
            } else {
                resolve(doesMatch);
            }
        });
    });
};






// in production the secrets are environment variables, otherwise stored in json file
// if (process.env.NODE_ENV == 'production') {
//     secrets = process.env;
// } else {
//     secrets = require('./secrets');
// }
secrets =  process.env.SESSION_SECRET || require('./secrets.json');

//Connect to Amazon server
const client = knox.createClient({
    key: secrets.awsKey,
    secret: secrets.awsSecret,
    bucket: 'spicedling'
});


// Upload data to website
module.exports.uploadToS3 = function(req, res, next) {
    const s3Request = client.put("/jayden/" + req.file.filename, {
        'Content-Type': req.file.mimetype,
        'Content-Length': req.file.size,
        'x-amz-acl': 'public-read'
    });
    const readStream = fs.createReadStream(req.file.path);
    readStream.pipe(s3Request);
    //Next(), on successful response
    s3Request.on('response', s3Response => {
        const wasSuccessful = s3Response.statusCode == 200;
        if (wasSuccessful) {
            next();
        }
    });
};