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var crypto = require('crypto')
var knox = require('knox')
var moment = require('moment')
var s3 = module.exports.s3 = knox.createClient({
key: process.env.S3_KEY,
secret: process.env.S3_SECRET,
bucket: process.env.S3_BUCKET,
});
var acceptableuploadTypes = {
'image/gif': 'gif',
'image/jpeg': 'jpg',
'image/png': 'png'
}
module.exports.getExtension = function(file) {
return acceptableuploadTypes[file.mimetype]
}
module.exports.put = function (key, file, opt) {
var fileSize, fileType, filename
var err
var now = new Date()
var ts = moment().format('YYYYMMDD')
var extension = this.getExtension(file)
filename = opt.filename || crypto.createHash('md5').update(file.buffer).digest('hex') + "." + extension;
var remote_path = (opt.path || process.env.S3_DIR) + filename
if (! extension) {
err = "Unacceptable filetype"
}
else if (file.size < 10) {
err = "File too small"
}
else if (file.size > 1024*1024*3) { // 3mb limit
err = "File too large. Uploads can be a maximum of 3 mb."
}
if (err) {
console.error(">>>", err)
opt.unacceptable && opt.unacceptable(err)
return
}
opt.acceptable && opt.acceptable(err)
console.log("upload > ", remote_path)
s3.putBuffer(file.buffer, remote_path, {
'Content-Length': file.size,
'Content-Type': file.mimetype,
'x-amz-acl': 'public-read',
}, function(err, s3res) {
if (err || s3res.statusCode !== 200) {
console.error(s3res.statusCode, err)
if (s3res && s3res.resume) {
s3res.resume()
}
return
}
var file_url = s3res.url || s3res.req.url
opt.success && opt.success(file_url)
}).on('error', function(err, s3res){
console.error("error", err)
s3res && s3res.resume && s3res.resume()
})
}
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