Bones/node_modules/formidable/lib/file.js

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2017-05-17 13:45:25 -04:00
if (global.GENTLY) require = GENTLY.hijack(require);
var util = require('util'),
WriteStream = require('fs').WriteStream,
EventEmitter = require('events').EventEmitter,
crypto = require('crypto');
function File(properties) {
EventEmitter.call(this);
this.size = 0;
this.path = null;
this.name = null;
this.type = null;
this.hash = null;
this.lastModifiedDate = null;
this._writeStream = null;
for (var key in properties) {
this[key] = properties[key];
}
if(typeof this.hash === 'string') {
this.hash = crypto.createHash(properties.hash);
} else {
this.hash = null;
}
}
module.exports = File;
util.inherits(File, EventEmitter);
File.prototype.open = function() {
this._writeStream = new WriteStream(this.path);
};
File.prototype.toJSON = function() {
return {
size: this.size,
path: this.path,
name: this.name,
type: this.type,
mtime: this.lastModifiedDate,
length: this.length,
filename: this.filename,
mime: this.mime
};
};
File.prototype.write = function(buffer, cb) {
var self = this;
if (self.hash) {
self.hash.update(buffer);
}
this._writeStream.write(buffer, function() {
self.lastModifiedDate = new Date();
self.size += buffer.length;
self.emit('progress', self.size);
cb();
});
};
File.prototype.end = function(cb) {
var self = this;
if (self.hash) {
self.hash = self.hash.digest('hex');
}
this._writeStream.end(function() {
self.emit('end');
cb();
});
};