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require('dotenv').config()
var knox = require('knox')
var uuid = require('uuid/v1')
var s3;
var acceptableuploadTypes = {
'image/gif': 'gif',
'image/jpeg': 'jpg',
'image/jpg': 'jpg',
'image/png': 'png',
}
var typesByExtension = {
// audio
'aiff': 'audio/aiff',
'aif': 'audio/aiff',
'mp3': 'audio/mp3',
'wav': 'audio/wav',
'flac': 'audio/flac',
'ogg': 'audio/ogg',
'opus': 'audio/ogg',
// video
'mp4': 'video/mp4',
'webm': 'video/webm',
'ogv': 'video/ogg',
'mov': 'video/quicktime',
'avi': 'video/x-msvideo',
'wmv': 'video/x-ms-wmv',
// image
'gif': 'image/gif',
'jpeg': 'image/jpg',
'jpg': 'image/jpg',
'png': 'image/png',
'bmp': 'image/bmp',
'tiff': 'image/tif',
'tif': 'image/tif',
// misc
'zip': 'application/zip',
}
module.exports = {}
module.exports.init = function(){
s3 = knox.createClient({
key: process.env.S3_KEY,
secret: process.env.S3_SECRET,
bucket: process.env.S3_BUCKET,
})
}
module.exports.client = function(){
return s3
}
module.exports.put = function (opt) {
var filename
var err
var now = new Date()
var file = opt.file
var mimetype = file.mimetype
var types = opt.types
var extension = types && types[file.mimetype]
if (opt.filename) {
filename = opt.filename
} else if (opt.preserveFilename) {
filename = file.originalname
if (mimetype.indexOf('application') !== -1) {
var fpartz = file.originalname.split('.')
extension = fpartz.pop()
if (extension in typesByExtension) {
mimetype = typesByExtension[extension]
console.error('storing', extension, 'as', mimetype)
} else {
console.error('unknown extension', extension, 'storing as', mimetype)
}
}
} else {
filename = uuid() + "." + extension;
}
if (opt.sanitizeFilename) {
filename = filename.replace(/-/g,'_').replace(/\s/g,'_').replace(/_+/g,'_')
}
var remote_path = opt.dirname + filename
if (types && ! extension) {
err = "Unacceptable filetype."
}
else if (opt.maxSize && file.size > opt.maxSize) {
err = "File too large. Uploads can be a maximum of " + opt.maxSize + " bytes."
}
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': mimetype,
'x-amz-acl': 'public-read'
}, function(err, s3res) {
if (err || s3res.statusCode !== 200) {
console.error(err);
if (s3res && s3res.resume) {
s3res.resume()
}
return;
}
var file_url = s3res.url || s3res.req.url
opt.success && opt.success(file_url, filename)
}).on('error', function(err, s3res){
console.error(err)
s3res && s3res.resume && s3res.resume()
})
}
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