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/test
/tool
/example
/benchmark
*.upload
*.un~
*.http

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language: node_js
node_js:
- 0.8
- "0.10"
- 0.11

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Copyright (C) 2011 Felix Geisendörfer
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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.

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# Formidable
[![Build Status](https://secure.travis-ci.org/felixge/node-formidable.png?branch=master)](http://travis-ci.org/felixge/node-formidable)
## Purpose
A node.js module for parsing form data, especially file uploads.
## Current status
This module was developed for [Transloadit](http://transloadit.com/), a service focused on uploading
and encoding images and videos. It has been battle-tested against hundreds of GB of file uploads from
a large variety of clients and is considered production-ready.
## Features
* Fast (~500mb/sec), non-buffering multipart parser
* Automatically writing file uploads to disk
* Low memory footprint
* Graceful error handling
* Very high test coverage
## Installation
This is a low level package, and if you're using a high level framework such as Express, chances are it's already included in it. You can [read this discussion](http://stackoverflow.com/questions/11295554/how-to-disable-express-bodyparser-for-file-uploads-node-js) about how Formidable is integrated with Express.
Via [npm](http://github.com/isaacs/npm):
```
npm install formidable@latest
```
Manually:
```
git clone git://github.com/felixge/node-formidable.git formidable
vim my.js
# var formidable = require('./formidable');
```
Note: Formidable requires [gently](http://github.com/felixge/node-gently) to run the unit tests, but you won't need it for just using the library.
## Example
Parse an incoming file upload.
```javascript
var formidable = require('formidable'),
http = require('http'),
util = require('util');
http.createServer(function(req, res) {
if (req.url == '/upload' && req.method.toLowerCase() == 'post') {
// parse a file upload
var form = new formidable.IncomingForm();
form.parse(req, function(err, fields, files) {
res.writeHead(200, {'content-type': 'text/plain'});
res.write('received upload:\n\n');
res.end(util.inspect({fields: fields, files: files}));
});
return;
}
// show a file upload form
res.writeHead(200, {'content-type': 'text/html'});
res.end(
'<form action="/upload" enctype="multipart/form-data" method="post">'+
'<input type="text" name="title"><br>'+
'<input type="file" name="upload" multiple="multiple"><br>'+
'<input type="submit" value="Upload">'+
'</form>'
);
}).listen(8080);
```
## API
### Formidable.IncomingForm
```javascript
var form = new formidable.IncomingForm()
```
Creates a new incoming form.
```javascript
form.encoding = 'utf-8';
```
Sets encoding for incoming form fields.
```javascript
form.uploadDir = "/my/dir";
```
Sets the directory for placing file uploads in. You can move them later on using
`fs.rename()`. The default is `os.tmpDir()`.
```javascript
form.keepExtensions = false;
```
If you want the files written to `form.uploadDir` to include the extensions of the original files, set this property to `true`.
```javascript
form.type
```
Either 'multipart' or 'urlencoded' depending on the incoming request.
```javascript
form.maxFieldsSize = 2 * 1024 * 1024;
```
Limits the amount of memory all fields together (except files) can allocate in bytes.
If this value is exceeded, an `'error'` event is emitted. The default
size is 2MB.
```javascript
form.maxFields = 1000;
```
Limits the number of fields that the querystring parser will decode. Defaults
to 1000 (0 for unlimited).
```javascript
form.hash = false;
```
If you want checksums calculated for incoming files, set this to either `'sha1'` or `'md5'`.
```javascript
form.multiples = false;
```
If this option is enabled, when you call `form.parse`, the `files` argument will contain arrays of files for inputs which submit multiple files using the HTML5 `multiple` attribute.
```javascript
form.bytesReceived
```
The amount of bytes received for this form so far.
```javascript
form.bytesExpected
```
The expected number of bytes in this form.
```javascript
form.parse(request, [cb]);
```
Parses an incoming node.js `request` containing form data. If `cb` is provided, all fields and files are collected and passed to the callback:
```javascript
form.parse(req, function(err, fields, files) {
// ...
});
form.onPart(part);
```
You may overwrite this method if you are interested in directly accessing the multipart stream. Doing so will disable any `'field'` / `'file'` events processing which would occur otherwise, making you fully responsible for handling the processing.
```javascript
form.onPart = function(part) {
part.addListener('data', function() {
// ...
});
}
```
If you want to use formidable to only handle certain parts for you, you can do so:
```javascript
form.onPart = function(part) {
if (!part.filename) {
// let formidable handle all non-file parts
form.handlePart(part);
}
}
```
Check the code in this method for further inspiration.
### Formidable.File
```javascript
file.size = 0
```
The size of the uploaded file in bytes. If the file is still being uploaded (see `'fileBegin'` event), this property says how many bytes of the file have been written to disk yet.
```javascript
file.path = null
```
The path this file is being written to. You can modify this in the `'fileBegin'` event in
case you are unhappy with the way formidable generates a temporary path for your files.
```javascript
file.name = null
```
The name this file had according to the uploading client.
```javascript
file.type = null
```
The mime type of this file, according to the uploading client.
```javascript
file.lastModifiedDate = null
```
A date object (or `null`) containing the time this file was last written to. Mostly
here for compatibility with the [W3C File API Draft](http://dev.w3.org/2006/webapi/FileAPI/).
```javascript
file.hash = null
```
If hash calculation was set, you can read the hex digest out of this var.
#### Formidable.File#toJSON()
This method returns a JSON-representation of the file, allowing you to
`JSON.stringify()` the file which is useful for logging and responding
to requests.
### Events
#### 'progress'
```javascript
form.on('progress', function(bytesReceived, bytesExpected) {
});
```
Emitted after each incoming chunk of data that has been parsed. Can be used to roll your own progress bar.
#### 'field'
```javascript
form.on('field', function(name, value) {
});
```
#### 'fileBegin'
Emitted whenever a field / value pair has been received.
```javascript
form.on('fileBegin', function(name, file) {
});
```
#### 'file'
Emitted whenever a new file is detected in the upload stream. Use this even if
you want to stream the file to somewhere else while buffering the upload on
the file system.
Emitted whenever a field / file pair has been received. `file` is an instance of `File`.
```javascript
form.on('file', function(name, file) {
});
```
#### 'error'
Emitted when there is an error processing the incoming form. A request that experiences an error is automatically paused, you will have to manually call `request.resume()` if you want the request to continue firing `'data'` events.
```javascript
form.on('error', function(err) {
});
```
#### 'aborted'
Emitted when the request was aborted by the user. Right now this can be due to a 'timeout' or 'close' event on the socket. After this event is emitted, an `error` event will follow. In the future there will be a separate 'timeout' event (needs a change in the node core).
```javascript
form.on('aborted', function() {
});
```
##### 'end'
```javascript
form.on('end', function() {
});
```
Emitted when the entire request has been received, and all contained files have finished flushing to disk. This is a great place for you to send your response.
## Changelog
### v1.0.14
* Add failing hash tests. (Ben Trask)
* Enable hash calculation again (Eugene Girshov)
* Test for immediate data events (Tim Smart)
* Re-arrange IncomingForm#parse (Tim Smart)
### v1.0.13
* Only update hash if update method exists (Sven Lito)
* According to travis v0.10 needs to go quoted (Sven Lito)
* Bumping build node versions (Sven Lito)
* Additional fix for empty requests (Eugene Girshov)
* Change the default to 1000, to match the new Node behaviour. (OrangeDog)
* Add ability to control maxKeys in the querystring parser. (OrangeDog)
* Adjust test case to work with node 0.9.x (Eugene Girshov)
* Update package.json (Sven Lito)
* Path adjustment according to eb4468b (Markus Ast)
### v1.0.12
* Emit error on aborted connections (Eugene Girshov)
* Add support for empty requests (Eugene Girshov)
* Fix name/filename handling in Content-Disposition (jesperp)
* Tolerate malformed closing boundary in multipart (Eugene Girshov)
* Ignore preamble in multipart messages (Eugene Girshov)
* Add support for application/json (Mike Frey, Carlos Rodriguez)
* Add support for Base64 encoding (Elmer Bulthuis)
* Add File#toJSON (TJ Holowaychuk)
* Remove support for Node.js 0.4 & 0.6 (Andrew Kelley)
* Documentation improvements (Sven Lito, Andre Azevedo)
* Add support for application/octet-stream (Ion Lupascu, Chris Scribner)
* Use os.tmpDir() to get tmp directory (Andrew Kelley)
* Improve package.json (Andrew Kelley, Sven Lito)
* Fix benchmark script (Andrew Kelley)
* Fix scope issue in incoming_forms (Sven Lito)
* Fix file handle leak on error (OrangeDog)
### v1.0.11
* Calculate checksums for incoming files (sreuter)
* Add definition parameters to "IncomingForm" as an argument (Math-)
### v1.0.10
* Make parts to be proper Streams (Matt Robenolt)
### v1.0.9
* Emit progress when content length header parsed (Tim Koschützki)
* Fix Readme syntax due to GitHub changes (goob)
* Replace references to old 'sys' module in Readme with 'util' (Peter Sugihara)
### v1.0.8
* Strip potentially unsafe characters when using `keepExtensions: true`.
* Switch to utest / urun for testing
* Add travis build
### v1.0.7
* Remove file from package that was causing problems when installing on windows. (#102)
* Fix typos in Readme (Jason Davies).
### v1.0.6
* Do not default to the default to the field name for file uploads where
filename="".
### v1.0.5
* Support filename="" in multipart parts
* Explain unexpected end() errors in parser better
**Note:** Starting with this version, formidable emits 'file' events for empty
file input fields. Previously those were incorrectly emitted as regular file
input fields with value = "".
### v1.0.4
* Detect a good default tmp directory regardless of platform. (#88)
### v1.0.3
* Fix problems with utf8 characters (#84) / semicolons in filenames (#58)
* Small performance improvements
* New test suite and fixture system
### v1.0.2
* Exclude node\_modules folder from git
* Implement new `'aborted'` event
* Fix files in example folder to work with recent node versions
* Make gently a devDependency
[See Commits](https://github.com/felixge/node-formidable/compare/v1.0.1...v1.0.2)
### v1.0.1
* Fix package.json to refer to proper main directory. (#68, Dean Landolt)
[See Commits](https://github.com/felixge/node-formidable/compare/v1.0.0...v1.0.1)
### v1.0.0
* Add support for multipart boundaries that are quoted strings. (Jeff Craig)
This marks the beginning of development on version 2.0 which will include
several architectural improvements.
[See Commits](https://github.com/felixge/node-formidable/compare/v0.9.11...v1.0.0)
### v0.9.11
* Emit `'progress'` event when receiving data, regardless of parsing it. (Tim Koschützki)
* Use [W3C FileAPI Draft](http://dev.w3.org/2006/webapi/FileAPI/) properties for File class
**Important:** The old property names of the File class will be removed in a
future release.
[See Commits](https://github.com/felixge/node-formidable/compare/v0.9.10...v0.9.11)
### Older releases
These releases were done before starting to maintain the above Changelog:
* [v0.9.10](https://github.com/felixge/node-formidable/compare/v0.9.9...v0.9.10)
* [v0.9.9](https://github.com/felixge/node-formidable/compare/v0.9.8...v0.9.9)
* [v0.9.8](https://github.com/felixge/node-formidable/compare/v0.9.7...v0.9.8)
* [v0.9.7](https://github.com/felixge/node-formidable/compare/v0.9.6...v0.9.7)
* [v0.9.6](https://github.com/felixge/node-formidable/compare/v0.9.5...v0.9.6)
* [v0.9.5](https://github.com/felixge/node-formidable/compare/v0.9.4...v0.9.5)
* [v0.9.4](https://github.com/felixge/node-formidable/compare/v0.9.3...v0.9.4)
* [v0.9.3](https://github.com/felixge/node-formidable/compare/v0.9.2...v0.9.3)
* [v0.9.2](https://github.com/felixge/node-formidable/compare/v0.9.1...v0.9.2)
* [v0.9.1](https://github.com/felixge/node-formidable/compare/v0.9.0...v0.9.1)
* [v0.9.0](https://github.com/felixge/node-formidable/compare/v0.8.0...v0.9.0)
* [v0.9.0](https://github.com/felixge/node-formidable/compare/v0.8.0...v0.9.0)
* [v0.9.0](https://github.com/felixge/node-formidable/compare/v0.8.0...v0.9.0)
* [v0.9.0](https://github.com/felixge/node-formidable/compare/v0.8.0...v0.9.0)
* [v0.9.0](https://github.com/felixge/node-formidable/compare/v0.8.0...v0.9.0)
* [v0.9.0](https://github.com/felixge/node-formidable/compare/v0.8.0...v0.9.0)
* [v0.9.0](https://github.com/felixge/node-formidable/compare/v0.8.0...v0.9.0)
* [v0.9.0](https://github.com/felixge/node-formidable/compare/v0.8.0...v0.9.0)
* [v0.1.0](https://github.com/felixge/node-formidable/commits/v0.1.0)
## License
Formidable is licensed under the MIT license.
## Ports
* [multipart-parser](http://github.com/FooBarWidget/multipart-parser): a C++ parser based on formidable
## Credits
* [Ryan Dahl](http://twitter.com/ryah) for his work on [http-parser](http://github.com/ry/http-parser) which heavily inspired multipart_parser.js

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module.exports = require('./lib');

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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();
});
};

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if (global.GENTLY) require = GENTLY.hijack(require);
var crypto = require('crypto');
var fs = require('fs');
var util = require('util'),
path = require('path'),
File = require('./file'),
MultipartParser = require('./multipart_parser').MultipartParser,
QuerystringParser = require('./querystring_parser').QuerystringParser,
OctetParser = require('./octet_parser').OctetParser,
JSONParser = require('./json_parser').JSONParser,
StringDecoder = require('string_decoder').StringDecoder,
EventEmitter = require('events').EventEmitter,
Stream = require('stream').Stream,
os = require('os');
function IncomingForm(opts) {
if (!(this instanceof IncomingForm)) return new IncomingForm(opts);
EventEmitter.call(this);
opts=opts||{};
this.error = null;
this.ended = false;
this.maxFields = opts.maxFields || 1000;
this.maxFieldsSize = opts.maxFieldsSize || 2 * 1024 * 1024;
this.keepExtensions = opts.keepExtensions || false;
this.uploadDir = opts.uploadDir || os.tmpDir();
this.encoding = opts.encoding || 'utf-8';
this.headers = null;
this.type = null;
this.hash = opts.hash || false;
this.multiples = opts.multiples || false;
this.bytesReceived = null;
this.bytesExpected = null;
this._parser = null;
this._flushing = 0;
this._fieldsSize = 0;
this.openedFiles = [];
return this;
}
util.inherits(IncomingForm, EventEmitter);
exports.IncomingForm = IncomingForm;
IncomingForm.prototype.parse = function(req, cb) {
this.pause = function() {
try {
req.pause();
} catch (err) {
// the stream was destroyed
if (!this.ended) {
// before it was completed, crash & burn
this._error(err);
}
return false;
}
return true;
};
this.resume = function() {
try {
req.resume();
} catch (err) {
// the stream was destroyed
if (!this.ended) {
// before it was completed, crash & burn
this._error(err);
}
return false;
}
return true;
};
// Setup callback first, so we don't miss anything from data events emitted
// immediately.
if (cb) {
var fields = {}, files = {};
this
.on('field', function(name, value) {
fields[name] = value;
})
.on('file', function(name, file) {
if (this.multiples) {
if (files[name]) {
if (!Array.isArray(files[name])) {
files[name] = [files[name]];
}
files[name].push(file);
} else {
files[name] = file;
}
} else {
files[name] = file;
}
})
.on('error', function(err) {
cb(err, fields, files);
})
.on('end', function() {
cb(null, fields, files);
});
}
// Parse headers and setup the parser, ready to start listening for data.
this.writeHeaders(req.headers);
// Start listening for data.
var self = this;
req
.on('error', function(err) {
self._error(err);
})
.on('aborted', function() {
self.emit('aborted');
self._error(new Error('Request aborted'));
})
.on('data', function(buffer) {
self.write(buffer);
})
.on('end', function() {
if (self.error) {
return;
}
var err = self._parser.end();
if (err) {
self._error(err);
}
});
return this;
};
IncomingForm.prototype.writeHeaders = function(headers) {
this.headers = headers;
this._parseContentLength();
this._parseContentType();
};
IncomingForm.prototype.write = function(buffer) {
if (this.error) {
return;
}
if (!this._parser) {
this._error(new Error('uninitialized parser'));
return;
}
this.bytesReceived += buffer.length;
this.emit('progress', this.bytesReceived, this.bytesExpected);
var bytesParsed = this._parser.write(buffer);
if (bytesParsed !== buffer.length) {
this._error(new Error('parser error, '+bytesParsed+' of '+buffer.length+' bytes parsed'));
}
return bytesParsed;
};
IncomingForm.prototype.pause = function() {
// this does nothing, unless overwritten in IncomingForm.parse
return false;
};
IncomingForm.prototype.resume = function() {
// this does nothing, unless overwritten in IncomingForm.parse
return false;
};
IncomingForm.prototype.onPart = function(part) {
// this method can be overwritten by the user
this.handlePart(part);
};
IncomingForm.prototype.handlePart = function(part) {
var self = this;
if (part.filename === undefined) {
var value = ''
, decoder = new StringDecoder(this.encoding);
part.on('data', function(buffer) {
self._fieldsSize += buffer.length;
if (self._fieldsSize > self.maxFieldsSize) {
self._error(new Error('maxFieldsSize exceeded, received '+self._fieldsSize+' bytes of field data'));
return;
}
value += decoder.write(buffer);
});
part.on('end', function() {
self.emit('field', part.name, value);
});
return;
}
this._flushing++;
var file = new File({
path: this._uploadPath(part.filename),
name: part.filename,
type: part.mime,
hash: self.hash
});
this.emit('fileBegin', part.name, file);
file.open();
this.openedFiles.push(file);
part.on('data', function(buffer) {
if (buffer.length == 0) {
return;
}
self.pause();
file.write(buffer, function() {
self.resume();
});
});
part.on('end', function() {
file.end(function() {
self._flushing--;
self.emit('file', part.name, file);
self._maybeEnd();
});
});
};
function dummyParser(self) {
return {
end: function () {
self.ended = true;
self._maybeEnd();
return null;
}
};
}
IncomingForm.prototype._parseContentType = function() {
if (this.bytesExpected === 0) {
this._parser = dummyParser(this);
return;
}
if (!this.headers['content-type']) {
this._error(new Error('bad content-type header, no content-type'));
return;
}
if (this.headers['content-type'].match(/octet-stream/i)) {
this._initOctetStream();
return;
}
if (this.headers['content-type'].match(/urlencoded/i)) {
this._initUrlencoded();
return;
}
if (this.headers['content-type'].match(/multipart/i)) {
var m = this.headers['content-type'].match(/boundary=(?:"([^"]+)"|([^;]+))/i);
if (m) {
this._initMultipart(m[1] || m[2]);
} else {
this._error(new Error('bad content-type header, no multipart boundary'));
}
return;
}
if (this.headers['content-type'].match(/json/i)) {
this._initJSONencoded();
return;
}
this._error(new Error('bad content-type header, unknown content-type: '+this.headers['content-type']));
};
IncomingForm.prototype._error = function(err) {
if (this.error || this.ended) {
return;
}
this.error = err;
this.emit('error', err);
if (Array.isArray(this.openedFiles)) {
this.openedFiles.forEach(function(file) {
file._writeStream.destroy();
setTimeout(fs.unlink, 0, file.path, function(error) { });
});
}
};
IncomingForm.prototype._parseContentLength = function() {
this.bytesReceived = 0;
if (this.headers['content-length']) {
this.bytesExpected = parseInt(this.headers['content-length'], 10);
} else if (this.headers['transfer-encoding'] === undefined) {
this.bytesExpected = 0;
}
if (this.bytesExpected !== null) {
this.emit('progress', this.bytesReceived, this.bytesExpected);
}
};
IncomingForm.prototype._newParser = function() {
return new MultipartParser();
};
IncomingForm.prototype._initMultipart = function(boundary) {
this.type = 'multipart';
var parser = new MultipartParser(),
self = this,
headerField,
headerValue,
part;
parser.initWithBoundary(boundary);
parser.onPartBegin = function() {
part = new Stream();
part.readable = true;
part.headers = {};
part.name = null;
part.filename = null;
part.mime = null;
part.transferEncoding = 'binary';
part.transferBuffer = '';
headerField = '';
headerValue = '';
};
parser.onHeaderField = function(b, start, end) {
headerField += b.toString(self.encoding, start, end);
};
parser.onHeaderValue = function(b, start, end) {
headerValue += b.toString(self.encoding, start, end);
};
parser.onHeaderEnd = function() {
headerField = headerField.toLowerCase();
part.headers[headerField] = headerValue;
var m = headerValue.match(/\bname="([^"]+)"/i);
if (headerField == 'content-disposition') {
if (m) {
part.name = m[1];
}
part.filename = self._fileName(headerValue);
} else if (headerField == 'content-type') {
part.mime = headerValue;
} else if (headerField == 'content-transfer-encoding') {
part.transferEncoding = headerValue.toLowerCase();
}
headerField = '';
headerValue = '';
};
parser.onHeadersEnd = function() {
switch(part.transferEncoding){
case 'binary':
case '7bit':
case '8bit':
parser.onPartData = function(b, start, end) {
part.emit('data', b.slice(start, end));
};
parser.onPartEnd = function() {
part.emit('end');
};
break;
case 'base64':
parser.onPartData = function(b, start, end) {
part.transferBuffer += b.slice(start, end).toString('ascii');
/*
four bytes (chars) in base64 converts to three bytes in binary
encoding. So we should always work with a number of bytes that
can be divided by 4, it will result in a number of buytes that
can be divided vy 3.
*/
var offset = parseInt(part.transferBuffer.length / 4, 10) * 4;
part.emit('data', new Buffer(part.transferBuffer.substring(0, offset), 'base64'));
part.transferBuffer = part.transferBuffer.substring(offset);
};
parser.onPartEnd = function() {
part.emit('data', new Buffer(part.transferBuffer, 'base64'));
part.emit('end');
};
break;
default:
return self._error(new Error('unknown transfer-encoding'));
}
self.onPart(part);
};
parser.onEnd = function() {
self.ended = true;
self._maybeEnd();
};
this._parser = parser;
};
IncomingForm.prototype._fileName = function(headerValue) {
var m = headerValue.match(/\bfilename="(.*?)"($|; )/i);
if (!m) return;
var filename = m[1].substr(m[1].lastIndexOf('\\') + 1);
filename = filename.replace(/%22/g, '"');
filename = filename.replace(/&#([\d]{4});/g, function(m, code) {
return String.fromCharCode(code);
});
return filename;
};
IncomingForm.prototype._initUrlencoded = function() {
this.type = 'urlencoded';
var parser = new QuerystringParser(this.maxFields)
, self = this;
parser.onField = function(key, val) {
self.emit('field', key, val);
};
parser.onEnd = function() {
self.ended = true;
self._maybeEnd();
};
this._parser = parser;
};
IncomingForm.prototype._initOctetStream = function() {
this.type = 'octet-stream';
var filename = this.headers['x-file-name'];
var mime = this.headers['content-type'];
var file = new File({
path: this._uploadPath(filename),
name: filename,
type: mime
});
this.emit('fileBegin', filename, file);
file.open();
this._flushing++;
var self = this;
self._parser = new OctetParser();
//Keep track of writes that haven't finished so we don't emit the file before it's done being written
var outstandingWrites = 0;
self._parser.on('data', function(buffer){
self.pause();
outstandingWrites++;
file.write(buffer, function() {
outstandingWrites--;
self.resume();
if(self.ended){
self._parser.emit('doneWritingFile');
}
});
});
self._parser.on('end', function(){
self._flushing--;
self.ended = true;
var done = function(){
file.end(function() {
self.emit('file', 'file', file);
self._maybeEnd();
});
};
if(outstandingWrites === 0){
done();
} else {
self._parser.once('doneWritingFile', done);
}
});
};
IncomingForm.prototype._initJSONencoded = function() {
this.type = 'json';
var parser = new JSONParser()
, self = this;
if (this.bytesExpected) {
parser.initWithLength(this.bytesExpected);
}
parser.onField = function(key, val) {
self.emit('field', key, val);
};
parser.onEnd = function() {
self.ended = true;
self._maybeEnd();
};
this._parser = parser;
};
IncomingForm.prototype._uploadPath = function(filename) {
var name = 'upload_';
var buf = crypto.randomBytes(16);
for (var i = 0; i < buf.length; ++i) {
name += ('0' + buf[i].toString(16)).slice(-2);
}
if (this.keepExtensions) {
var ext = path.extname(filename);
ext = ext.replace(/(\.[a-z0-9]+).*/i, '$1');
name += ext;
}
return path.join(this.uploadDir, name);
};
IncomingForm.prototype._maybeEnd = function() {
if (!this.ended || this._flushing || this.error) {
return;
}
this.emit('end');
};

3
node_modules/formidable/lib/index.js generated vendored Normal file
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var IncomingForm = require('./incoming_form').IncomingForm;
IncomingForm.IncomingForm = IncomingForm;
module.exports = IncomingForm;

35
node_modules/formidable/lib/json_parser.js generated vendored Normal file
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if (global.GENTLY) require = GENTLY.hijack(require);
var Buffer = require('buffer').Buffer;
function JSONParser() {
this.data = new Buffer('');
this.bytesWritten = 0;
}
exports.JSONParser = JSONParser;
JSONParser.prototype.initWithLength = function(length) {
this.data = new Buffer(length);
};
JSONParser.prototype.write = function(buffer) {
if (this.data.length >= this.bytesWritten + buffer.length) {
buffer.copy(this.data, this.bytesWritten);
} else {
this.data = Buffer.concat([this.data, buffer]);
}
this.bytesWritten += buffer.length;
return buffer.length;
};
JSONParser.prototype.end = function() {
try {
var fields = JSON.parse(this.data.toString('utf8'));
for (var field in fields) {
this.onField(field, fields[field]);
}
} catch (e) {}
this.data = null;
this.onEnd();
};

332
node_modules/formidable/lib/multipart_parser.js generated vendored Normal file
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var Buffer = require('buffer').Buffer,
s = 0,
S =
{ PARSER_UNINITIALIZED: s++,
START: s++,
START_BOUNDARY: s++,
HEADER_FIELD_START: s++,
HEADER_FIELD: s++,
HEADER_VALUE_START: s++,
HEADER_VALUE: s++,
HEADER_VALUE_ALMOST_DONE: s++,
HEADERS_ALMOST_DONE: s++,
PART_DATA_START: s++,
PART_DATA: s++,
PART_END: s++,
END: s++
},
f = 1,
F =
{ PART_BOUNDARY: f,
LAST_BOUNDARY: f *= 2
},
LF = 10,
CR = 13,
SPACE = 32,
HYPHEN = 45,
COLON = 58,
A = 97,
Z = 122,
lower = function(c) {
return c | 0x20;
};
for (s in S) {
exports[s] = S[s];
}
function MultipartParser() {
this.boundary = null;
this.boundaryChars = null;
this.lookbehind = null;
this.state = S.PARSER_UNINITIALIZED;
this.index = null;
this.flags = 0;
}
exports.MultipartParser = MultipartParser;
MultipartParser.stateToString = function(stateNumber) {
for (var state in S) {
var number = S[state];
if (number === stateNumber) return state;
}
};
MultipartParser.prototype.initWithBoundary = function(str) {
this.boundary = new Buffer(str.length+4);
this.boundary.write('\r\n--', 0);
this.boundary.write(str, 4);
this.lookbehind = new Buffer(this.boundary.length+8);
this.state = S.START;
this.boundaryChars = {};
for (var i = 0; i < this.boundary.length; i++) {
this.boundaryChars[this.boundary[i]] = true;
}
};
MultipartParser.prototype.write = function(buffer) {
var self = this,
i = 0,
len = buffer.length,
prevIndex = this.index,
index = this.index,
state = this.state,
flags = this.flags,
lookbehind = this.lookbehind,
boundary = this.boundary,
boundaryChars = this.boundaryChars,
boundaryLength = this.boundary.length,
boundaryEnd = boundaryLength - 1,
bufferLength = buffer.length,
c,
cl,
mark = function(name) {
self[name+'Mark'] = i;
},
clear = function(name) {
delete self[name+'Mark'];
},
callback = function(name, buffer, start, end) {
if (start !== undefined && start === end) {
return;
}
var callbackSymbol = 'on'+name.substr(0, 1).toUpperCase()+name.substr(1);
if (callbackSymbol in self) {
self[callbackSymbol](buffer, start, end);
}
},
dataCallback = function(name, clear) {
var markSymbol = name+'Mark';
if (!(markSymbol in self)) {
return;
}
if (!clear) {
callback(name, buffer, self[markSymbol], buffer.length);
self[markSymbol] = 0;
} else {
callback(name, buffer, self[markSymbol], i);
delete self[markSymbol];
}
};
for (i = 0; i < len; i++) {
c = buffer[i];
switch (state) {
case S.PARSER_UNINITIALIZED:
return i;
case S.START:
index = 0;
state = S.START_BOUNDARY;
case S.START_BOUNDARY:
if (index == boundary.length - 2) {
if (c == HYPHEN) {
flags |= F.LAST_BOUNDARY;
} else if (c != CR) {
return i;
}
index++;
break;
} else if (index - 1 == boundary.length - 2) {
if (flags & F.LAST_BOUNDARY && c == HYPHEN){
callback('end');
state = S.END;
flags = 0;
} else if (!(flags & F.LAST_BOUNDARY) && c == LF) {
index = 0;
callback('partBegin');
state = S.HEADER_FIELD_START;
} else {
return i;
}
break;
}
if (c != boundary[index+2]) {
index = -2;
}
if (c == boundary[index+2]) {
index++;
}
break;
case S.HEADER_FIELD_START:
state = S.HEADER_FIELD;
mark('headerField');
index = 0;
case S.HEADER_FIELD:
if (c == CR) {
clear('headerField');
state = S.HEADERS_ALMOST_DONE;
break;
}
index++;
if (c == HYPHEN) {
break;
}
if (c == COLON) {
if (index == 1) {
// empty header field
return i;
}
dataCallback('headerField', true);
state = S.HEADER_VALUE_START;
break;
}
cl = lower(c);
if (cl < A || cl > Z) {
return i;
}
break;
case S.HEADER_VALUE_START:
if (c == SPACE) {
break;
}
mark('headerValue');
state = S.HEADER_VALUE;
case S.HEADER_VALUE:
if (c == CR) {
dataCallback('headerValue', true);
callback('headerEnd');
state = S.HEADER_VALUE_ALMOST_DONE;
}
break;
case S.HEADER_VALUE_ALMOST_DONE:
if (c != LF) {
return i;
}
state = S.HEADER_FIELD_START;
break;
case S.HEADERS_ALMOST_DONE:
if (c != LF) {
return i;
}
callback('headersEnd');
state = S.PART_DATA_START;
break;
case S.PART_DATA_START:
state = S.PART_DATA;
mark('partData');
case S.PART_DATA:
prevIndex = index;
if (index === 0) {
// boyer-moore derrived algorithm to safely skip non-boundary data
i += boundaryEnd;
while (i < bufferLength && !(buffer[i] in boundaryChars)) {
i += boundaryLength;
}
i -= boundaryEnd;
c = buffer[i];
}
if (index < boundary.length) {
if (boundary[index] == c) {
if (index === 0) {
dataCallback('partData', true);
}
index++;
} else {
index = 0;
}
} else if (index == boundary.length) {
index++;
if (c == CR) {
// CR = part boundary
flags |= F.PART_BOUNDARY;
} else if (c == HYPHEN) {
// HYPHEN = end boundary
flags |= F.LAST_BOUNDARY;
} else {
index = 0;
}
} else if (index - 1 == boundary.length) {
if (flags & F.PART_BOUNDARY) {
index = 0;
if (c == LF) {
// unset the PART_BOUNDARY flag
flags &= ~F.PART_BOUNDARY;
callback('partEnd');
callback('partBegin');
state = S.HEADER_FIELD_START;
break;
}
} else if (flags & F.LAST_BOUNDARY) {
if (c == HYPHEN) {
callback('partEnd');
callback('end');
state = S.END;
flags = 0;
} else {
index = 0;
}
} else {
index = 0;
}
}
if (index > 0) {
// when matching a possible boundary, keep a lookbehind reference
// in case it turns out to be a false lead
lookbehind[index-1] = c;
} else if (prevIndex > 0) {
// if our boundary turned out to be rubbish, the captured lookbehind
// belongs to partData
callback('partData', lookbehind, 0, prevIndex);
prevIndex = 0;
mark('partData');
// reconsider the current character even so it interrupted the sequence
// it could be the beginning of a new sequence
i--;
}
break;
case S.END:
break;
default:
return i;
}
}
dataCallback('headerField');
dataCallback('headerValue');
dataCallback('partData');
this.index = index;
this.state = state;
this.flags = flags;
return len;
};
MultipartParser.prototype.end = function() {
var callback = function(self, name) {
var callbackSymbol = 'on'+name.substr(0, 1).toUpperCase()+name.substr(1);
if (callbackSymbol in self) {
self[callbackSymbol]();
}
};
if ((this.state == S.HEADER_FIELD_START && this.index === 0) ||
(this.state == S.PART_DATA && this.index == this.boundary.length)) {
callback(this, 'partEnd');
callback(this, 'end');
} else if (this.state != S.END) {
return new Error('MultipartParser.end(): stream ended unexpectedly: ' + this.explain());
}
};
MultipartParser.prototype.explain = function() {
return 'state = ' + MultipartParser.stateToString(this.state);
};

20
node_modules/formidable/lib/octet_parser.js generated vendored Normal file
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@ -0,0 +1,20 @@
var EventEmitter = require('events').EventEmitter
, util = require('util');
function OctetParser(options){
if(!(this instanceof OctetParser)) return new OctetParser(options);
EventEmitter.call(this);
}
util.inherits(OctetParser, EventEmitter);
exports.OctetParser = OctetParser;
OctetParser.prototype.write = function(buffer) {
this.emit('data', buffer);
return buffer.length;
};
OctetParser.prototype.end = function() {
this.emit('end');
};

27
node_modules/formidable/lib/querystring_parser.js generated vendored Normal file
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@ -0,0 +1,27 @@
if (global.GENTLY) require = GENTLY.hijack(require);
// This is a buffering parser, not quite as nice as the multipart one.
// If I find time I'll rewrite this to be fully streaming as well
var querystring = require('querystring');
function QuerystringParser(maxKeys) {
this.maxKeys = maxKeys;
this.buffer = '';
}
exports.QuerystringParser = QuerystringParser;
QuerystringParser.prototype.write = function(buffer) {
this.buffer += buffer.toString('ascii');
return buffer.length;
};
QuerystringParser.prototype.end = function() {
var fields = querystring.parse(this.buffer, '&', '=', { maxKeys: this.maxKeys });
for (var field in fields) {
this.onField(field, fields[field]);
}
this.buffer = '';
this.onEnd();
};

98
node_modules/formidable/package.json generated vendored Normal file
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@ -0,0 +1,98 @@
{
"_args": [
[
{
"raw": "formidable@~1.0.14",
"scope": null,
"escapedName": "formidable",
"name": "formidable",
"rawSpec": "~1.0.14",
"spec": ">=1.0.14 <1.1.0",
"type": "range"
},
"/home/burchettm/statsbot/node_modules/superagent"
]
],
"_from": "formidable@>=1.0.14 <1.1.0",
"_id": "formidable@1.0.17",
"_inCache": true,
"_location": "/formidable",
"_npmUser": {
"name": "felixge",
"email": "felix@debuggable.com"
},
"_npmVersion": "1.4.3",
"_phantomChildren": {},
"_requested": {
"raw": "formidable@~1.0.14",
"scope": null,
"escapedName": "formidable",
"name": "formidable",
"rawSpec": "~1.0.14",
"spec": ">=1.0.14 <1.1.0",
"type": "range"
},
"_requiredBy": [
"/superagent"
],
"_resolved": "https://registry.npmjs.org/formidable/-/formidable-1.0.17.tgz",
"_shasum": "ef5491490f9433b705faa77249c99029ae348559",
"_shrinkwrap": null,
"_spec": "formidable@~1.0.14",
"_where": "/home/burchettm/statsbot/node_modules/superagent",
"bugs": {
"url": "http://github.com/felixge/node-formidable/issues"
},
"dependencies": {},
"description": "A node.js module for parsing form data, especially file uploads.",
"devDependencies": {
"findit": "0.1.1",
"gently": "0.8.0",
"hashish": "0.0.4",
"request": "~2.11.4",
"urun": "~0.0.6",
"utest": "0.0.3"
},
"directories": {
"lib": "./lib"
},
"dist": {
"shasum": "ef5491490f9433b705faa77249c99029ae348559",
"tarball": "https://registry.npmjs.org/formidable/-/formidable-1.0.17.tgz"
},
"engines": {
"node": ">=0.8.0"
},
"homepage": "https://github.com/felixge/node-formidable",
"main": "./lib/index",
"maintainers": [
{
"name": "felixge",
"email": "felix@debuggable.com"
},
{
"name": "svnlto",
"email": "me@svenlito.com"
},
{
"name": "superjoe",
"email": "superjoe30@gmail.com"
},
{
"name": "tim-smart",
"email": "tim@fostle.com"
}
],
"name": "formidable",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git://github.com/felixge/node-formidable.git"
},
"scripts": {
"clean": "rm test/tmp/*",
"test": "node test/run.js"
},
"version": "1.0.17"
}