Ghost/core/server/storage/localfilesystem.js
William Dibbern bf7692b151 Switch from multipart to busboy
Fixes #1227

- Removed deprecated `multipart` references.
- Setup `busboy` to pass along file streams and do a naive parse of form
values.
- Updated logic in file storage and db import to handle file streams
instead of the temporary files created by `multipart`.
2013-12-17 17:24:30 -06:00

64 lines
2.2 KiB
JavaScript

// # Local File System Image Storage module
// The (default) module for storing images, using the local file system
var _ = require('underscore'),
express = require('express'),
fs = require('fs-extra'),
nodefn = require('when/node/function'),
path = require('path'),
when = require('when'),
errors = require('../errorHandling'),
config = require('../config'),
baseStore = require('./base'),
localFileStore;
localFileStore = _.extend(baseStore, {
// ### Save
// Saves the image to storage (the file system)
// - image is the express image object
// - returns a promise which ultimately returns the full url to the uploaded image
'save': function (image) {
var saved = when.defer(),
targetDir = this.getTargetDir(config.paths().imagesRelPath),
targetFilename;
this.getUniqueFileName(this, image, targetDir).then(function (filename) {
targetFilename = filename;
return nodefn.call(fs.mkdirs, targetDir);
}).then(function () {
return nodefn.call(fs.copy, image.path, targetFilename);
}).then(function () {
return nodefn.call(fs.unlink, image.path).otherwise(errors.logError);
}).then(function () {
// The src for the image must be in URI format, not a file system path, which in Windows uses \
// For local file system storage can use relative path so add a slash
var fullUrl = ('/' + targetFilename).replace(new RegExp('\\' + path.sep, 'g'), '/');
return saved.resolve(fullUrl);
}).otherwise(function (e) {
errors.logError(e);
return saved.reject(e);
});
return saved.promise;
},
'exists': function (filename) {
// fs.exists does not play nicely with nodefn because the callback doesn't have an error argument
var done = when.defer();
fs.exists(filename, function (exists) {
done.resolve(exists);
});
return done.promise;
},
// middleware for serving the files
'serve': function () {
return express['static'](config.paths().imagesPath);
}
});
module.exports = localFileStore;