file-storage

File storage for storing/retrieving files from various sources.

Instalation

npm install file-storage

Example

var fs = require('fs');
var FileManager = require('file-storage');

var fileReadStream = fs.createReadStream(...);
var fileWriteStream = fs.createWriteStream(...);

var storage = new FileStorage(...); // supply valid credentials

storage.saveStream(fileStream).then(function(info){
    console.log('file info:', info.id);
});

storage.getStream('file_id').then(function(stream){
    stream.pipe(fileWriteStream);
});

API

FileStorage

• new FileStorage(url)
  • url – connection URL for file source.

Instance methods

All methods returns promise (callback as last argument is supported). Attribute id identify file entries. For save operations id is not required (UUID is generated).

• getStream(id)
• getData(id)
• saveStream(stream[,id])
• saveData(data[,id])
• remove(id)

When save is successfuly completed, the info is returned as first argument. Every storage type returns it's own informations (at least file identifier at info.id)

URL String – Supported connections

• File System
  • file://localhost/{path}
• FTP
  • ftp://{user}:{password}@{host}/{path}
• SFTP
  • sftp://{user}@{host}/{path}?privateKey='+encodeURIComponent(fs.readFileSync(homeDir('~/.ssh/id_dsa')))+'&passphrase=...
• Amazon S3
  • s3://{key}:{privateKey}@{bucket}?region={region}
• MongoDB
  • mongodb://{host}/{database}
• Rackspace
  • rackspace://{username}:{password}@{host}

Connection string enabled multiple connections. By specifying?maxConnections=...&ttl=... you can define multiconnections behaviour:

• maxConnections – maximum number of connections in pool (default: 1)
• ttl – time to live for one connection without use before closing (default: 60s)