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xpress-upload

v1.0.5

Published

jQuery File Upload using Expressjs : 'borrowed' from blueimp-file-upload-expressjs

Downloads

5

Readme

xpress-upload

A simple express module for integrating the jQuery File Upload frontend plugin. Inspired by blueimp-file-upload-expressjs

Main features

  1. Using lwip to proccess image files

Support creating thumbnails for jpg, gif, png images automatically.

  1. NodeJs friendly callback API

  2. Lightweight

Only support uploading files to your local web applications. If you wanna upload files to AWS, you should use blueimp-file-upload-expressjs instead!

Installation

Setup an Express project and install the package.

$ npm install xpress-upload

Tests

Unit tests can be run with Jasmine using npm test or this command:

$ jasmine-node specs/

Manual end to end tests can be done with this full project. Change the require() path of uploadManager.js to link it this cloned repository.

Configuration

options = {
    tmpDir: __dirname + '/tmp', // tmp dir to upload files to
    uploadDir: __dirname + '/public/files', // actual location of the file
    uploadUrl: '/files/', // end point for delete route 
    maxPostSize: 11000000000, // 11 GB
    minFileSize: 1,
    maxFileSize: 10000000000, // 10 GB
    acceptFileTypes: /.+/i,
    inlineFileTypes: /\.(gif|jpe?g|png)/i,
    imageTypes:  /\.(gif|jpe?g|png)/i,
    copyImgAsThumb : true, // required
    imageVersions :{
        maxWidth : 200,
        maxHeight : 200
    },
    accessControl: {
        allowOrigin: '*',
        allowMethods: 'OPTIONS, HEAD, GET, POST, PUT, DELETE',
        allowHeaders: 'Content-Type, Content-Range, Content-Disposition'
    }
};

Usage with options

(refer tutorial)

// config the uploader
var options = {
    tmpDir:  __dirname + '/../public/uploaded/tmp',
    uploadDir: __dirname + '/../public/uploaded/files',
    uploadUrl:  '/uploaded/files/',
    maxPostSize: 11000000000, // 11 GB
    minFileSize:  1,
    maxFileSize:  10000000000, // 10 GB
    acceptFileTypes:  /.+/i,
    // Files not matched by this regular expression force a download dialog,
    // to prevent executing any scripts in the context of the service domain:
    inlineFileTypes:  /\.(gif|jpe?g|png)/i,
    imageTypes:  /\.(gif|jpe?g|png)/i,
    copyImgAsThumb : true, // required
    imageVersions :{
        maxWidth : 200,
        maxHeight : 200
    },
    accessControl: {
        allowOrigin: '*',
        allowMethods: 'OPTIONS, HEAD, GET, POST, PUT, DELETE',
        allowHeaders: 'Content-Type, Content-Range, Content-Disposition'
    }
};

// init the uploader in your controller
var uploader = require('xpress-upload')(options);


module.exports = function (router) {
    router.get('/upload', function(req, res) {
      uploader.get(req, res, function (err,obj) {
            if(!err){
                res.json( obj );
            }
      });
      
    });

    router.post('/upload', function(req, res) {
      uploader.post(req, res, function (error,obj, redirect) {
          if(!error)
          {
            res.json( obj ); 
          }
      });
      
    });
    
    // the path SHOULD match options.uploadUrl
    router.delete('/uploaded/files/:id', function(req, res) {
      uploader.delete(req, res, function (err,obj) {
            res.json({error:err}); 
      });
      
    });
    return router;
}

SSL Support

Set the useSSL option to true to use the package with an HTTPS server.

var express = require('express')
var fs = require('fs')
var https = require('https');

var app = express()

// config the uploader
var options = {
    ...
    useSSL: true
    ...
};

// init the uploader
var uploader = require('xpress-upload')(options);

app.get('/upload', function(req, res) {
    uploader.get(req, res, function (err,obj) {
    if(!err)
        res.json( obj ); 
})
    .post('/upload', // ...
    .delete('/uploaded/files/:id', // ...

// create the HTTPS server
var app_key = fs.readFileSync('key.pem');
var app_cert = fs.readFileSync('cert.pem');

https.createServer({key: app_key, cert: app_cert}, app).listen(443);

Multiple thumbnails

To generate multiple thumbnails while uploading

var options = {
  tmpDir: __dirname + '/../public/uploaded/tmp',
  uploadDir: __dirname + '/../public/uploaded/files',
  uploadUrl: '/uploaded/files/',
  copyImgAsThumb: true, // required
  imageVersions: {
    maxWidth: 200,
    maxHeight: 200
  }
};

copyImgAsThumb needs to be set to true. imageVersions, maxWidth and maxHeight will by default create a thumbnail folder and place the specified width/height thumbnail in it.

Optionally, you can omit the maxHeight. In this case, it will be resize proportionally to the specified width.

imageVersions: {
    maxWidth: 200
  },

also

imageVersions: {
    maxWidth: 200,
    maxHeight : 'auto'
  },

PS : auto value works only with height.

You can also specify multiple thumbnail generations like

var options = {
  tmpDir: __dirname + '/../public/uploaded/tmp',
  uploadDir: __dirname + '/../public/uploaded/files',
  uploadUrl: '/uploaded/files/',
  copyImgAsThumb: true,
  imageVersions: {
    maxWidth: 200,
    maxHeight: 'auto',
    "large" : {
        width : 600,
        height : 600
    },
    "medium" : {
        width : 300,
        height : 300
    },
    "small" : {
        width : 150,
        height : 150
    }
  }
};

License

xpress-upload is licensed under the MIT licence.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.