1 files changed, 457 insertions, 0 deletions
diff --git a/deps/node/deps/npm/node_modules/form-data/lib/form_data.js b/deps/node/deps/npm/node_modules/form-data/lib/form_data.js
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+++ b/deps/node/deps/npm/node_modules/form-data/lib/form_data.js
@@ -0,0 +1,457 @@
+var CombinedStream = require('combined-stream');
+var util = require('util');
+var path = require('path');
+var http = require('http');
+var https = require('https');
+var parseUrl = require('url').parse;
+var fs = require('fs');
+var mime = require('mime-types');
+var asynckit = require('asynckit');
+var populate = require('./populate.js');
+
+// Public API
+module.exports = FormData;
+
+// make it a Stream
+util.inherits(FormData, CombinedStream);
+
+/**
+ * Create readable "multipart/form-data" streams.
+ * Can be used to submit forms
+ * and file uploads to other web applications.
+ *
+ * @constructor
+ * @param {Object} options - Properties to be added/overriden for FormData and CombinedStream
+ */
+function FormData(options) {
+  if (!(this instanceof FormData)) {
+    return new FormData();
+  }
+
+  this._overheadLength = 0;
+  this._valueLength = 0;
+  this._valuesToMeasure = [];
+
+  CombinedStream.call(this);
+
+  options = options || {};
+  for (var option in options) {
+    this[option] = options[option];
+  }
+}
+
+FormData.LINE_BREAK = '\r\n';
+FormData.DEFAULT_CONTENT_TYPE = 'application/octet-stream';
+
+FormData.prototype.append = function(field, value, options) {
+
+  options = options || {};
+
+  // allow filename as single option
+  if (typeof options == 'string') {
+    options = {filename: options};
+  }
+
+  var append = CombinedStream.prototype.append.bind(this);
+
+  // all that streamy business can't handle numbers
+  if (typeof value == 'number') {
+    value = '' + value;
+  }
+
+  // https://github.com/felixge/node-form-data/issues/38
+  if (util.isArray(value)) {
+    // Please convert your array into string
+    // the way web server expects it
+    this._error(new Error('Arrays are not supported.'));
+    return;
+  }
+
+  var header = this._multiPartHeader(field, value, options);
+  var footer = this._multiPartFooter();
+
+  append(header);
+  append(value);
+  append(footer);
+
+  // pass along options.knownLength
+  this._trackLength(header, value, options);
+};
+
+FormData.prototype._trackLength = function(header, value, options) {
+  var valueLength = 0;
+
+  // used w/ getLengthSync(), when length is known.
+  // e.g. for streaming directly from a remote server,
+  // w/ a known file a size, and not wanting to wait for
+  // incoming file to finish to get its size.
+  if (options.knownLength != null) {
+    valueLength += +options.knownLength;
+  } else if (Buffer.isBuffer(value)) {
+    valueLength = value.length;
+  } else if (typeof value === 'string') {
+    valueLength = Buffer.byteLength(value);
+  }
+
+  this._valueLength += valueLength;
+
+  // @check why add CRLF? does this account for custom/multiple CRLFs?
+  this._overheadLength +=
+    Buffer.byteLength(header) +
+    FormData.LINE_BREAK.length;
+
+  // empty or either doesn't have path or not an http response
+  if (!value || ( !value.path && !(value.readable && value.hasOwnProperty('httpVersion')) )) {
+    return;
+  }
+
+  // no need to bother with the length
+  if (!options.knownLength) {
+    this._valuesToMeasure.push(value);
+  }
+};
+
+FormData.prototype._lengthRetriever = function(value, callback) {
+
+  if (value.hasOwnProperty('fd')) {
+
+    // take read range into a account
+    // `end` = Infinity –> read file till the end
+    //
+    // TODO: Looks like there is bug in Node fs.createReadStream
+    // it doesn't respect `end` options without `start` options
+    // Fix it when node fixes it.
+    // https://github.com/joyent/node/issues/7819
+    if (value.end != undefined && value.end != Infinity && value.start != undefined) {
+
+      // when end specified
+      // no need to calculate range
+      // inclusive, starts with 0
+      callback(null, value.end + 1 - (value.start ? value.start : 0));
+
+    // not that fast snoopy
+    } else {
+      // still need to fetch file size from fs
+      fs.stat(value.path, function(err, stat) {
+
+        var fileSize;
+
+        if (err) {
+          callback(err);
+          return;
+        }
+
+        // update final size based on the range options
+        fileSize = stat.size - (value.start ? value.start : 0);
+        callback(null, fileSize);
+      });
+    }
+
+  // or http response
+  } else if (value.hasOwnProperty('httpVersion')) {
+    callback(null, +value.headers['content-length']);
+
+  // or request stream http://github.com/mikeal/request
+  } else if (value.hasOwnProperty('httpModule')) {
+    // wait till response come back
+    value.on('response', function(response) {
+      value.pause();
+      callback(null, +response.headers['content-length']);
+    });
+    value.resume();
+
+  // something else
+  } else {
+    callback('Unknown stream');
+  }
+};
+
+FormData.prototype._multiPartHeader = function(field, value, options) {
+  // custom header specified (as string)?
+  // it becomes responsible for boundary
+  // (e.g. to handle extra CRLFs on .NET servers)
+  if (typeof options.header == 'string') {
+    return options.header;
+  }
+
+  var contentDisposition = this._getContentDisposition(value, options);
+  var contentType = this._getContentType(value, options);
+
+  var contents = '';
+  var headers  = {
+    // add custom disposition as third element or keep it two elements if not
+    'Content-Disposition': ['form-data', 'name="' + field + '"'].concat(contentDisposition || []),
+    // if no content type. allow it to be empty array
+    'Content-Type': [].concat(contentType || [])
+  };
+
+  // allow custom headers.
+  if (typeof options.header == 'object') {
+    populate(headers, options.header);
+  }
+
+  var header;
+  for (var prop in headers) {
+    if (!headers.hasOwnProperty(prop)) continue;
+    header = headers[prop];
+
+    // skip nullish headers.
+    if (header == null) {
+      continue;
+    }
+
+    // convert all headers to arrays.
+    if (!Array.isArray(header)) {
+      header = [header];
+    }
+
+    // add non-empty headers.
+    if (header.length) {
+      contents += prop + ': ' + header.join('; ') + FormData.LINE_BREAK;
+    }
+  }
+
+  return '--' + this.getBoundary() + FormData.LINE_BREAK + contents + FormData.LINE_BREAK;
+};
+
+FormData.prototype._getContentDisposition = function(value, options) {
+
+  var filename
+    , contentDisposition
+    ;
+
+  if (typeof options.filepath === 'string') {
+    // custom filepath for relative paths
+    filename = path.normalize(options.filepath).replace(/\\/g, '/');
+  } else if (options.filename || value.name || value.path) {
+    // custom filename take precedence
+    // formidable and the browser add a name property
+    // fs- and request- streams have path property
+    filename = path.basename(options.filename || value.name || value.path);
+  } else if (value.readable && value.hasOwnProperty('httpVersion')) {
+    // or try http response
+    filename = path.basename(value.client._httpMessage.path);
+  }
+
+  if (filename) {
+    contentDisposition = 'filename="' + filename + '"';
+  }
+
+  return contentDisposition;
+};
+
+FormData.prototype._getContentType = function(value, options) {
+
+  // use custom content-type above all
+  var contentType = options.contentType;
+
+  // or try `name` from formidable, browser
+  if (!contentType && value.name) {
+    contentType = mime.lookup(value.name);
+  }
+
+  // or try `path` from fs-, request- streams
+  if (!contentType && value.path) {
+    contentType = mime.lookup(value.path);
+  }
+
+  // or if it's http-reponse
+  if (!contentType && value.readable && value.hasOwnProperty('httpVersion')) {
+    contentType = value.headers['content-type'];
+  }
+
+  // or guess it from the filepath or filename
+  if (!contentType && (options.filepath || options.filename)) {
+    contentType = mime.lookup(options.filepath || options.filename);
+  }
+
+  // fallback to the default content type if `value` is not simple value
+  if (!contentType && typeof value == 'object') {
+    contentType = FormData.DEFAULT_CONTENT_TYPE;
+  }
+
+  return contentType;
+};
+
+FormData.prototype._multiPartFooter = function() {
+  return function(next) {
+    var footer = FormData.LINE_BREAK;
+
+    var lastPart = (this._streams.length === 0);
+    if (lastPart) {
+      footer += this._lastBoundary();
+    }
+
+    next(footer);
+  }.bind(this);
+};
+
+FormData.prototype._lastBoundary = function() {
+  return '--' + this.getBoundary() + '--' + FormData.LINE_BREAK;
+};
+
+FormData.prototype.getHeaders = function(userHeaders) {
+  var header;
+  var formHeaders = {
+    'content-type': 'multipart/form-data; boundary=' + this.getBoundary()
+  };
+
+  for (header in userHeaders) {
+    if (userHeaders.hasOwnProperty(header)) {
+      formHeaders[header.toLowerCase()] = userHeaders[header];
+    }
+  }
+
+  return formHeaders;
+};
+
+FormData.prototype.getBoundary = function() {
+  if (!this._boundary) {
+    this._generateBoundary();
+  }
+
+  return this._boundary;
+};
+
+FormData.prototype._generateBoundary = function() {
+  // This generates a 50 character boundary similar to those used by Firefox.
+  // They are optimized for boyer-moore parsing.
+  var boundary = '--------------------------';
+  for (var i = 0; i < 24; i++) {
+    boundary += Math.floor(Math.random() * 10).toString(16);
+  }
+
+  this._boundary = boundary;
+};
+
+// Note: getLengthSync DOESN'T calculate streams length
+// As workaround one can calculate file size manually
+// and add it as knownLength option
+FormData.prototype.getLengthSync = function() {
+  var knownLength = this._overheadLength + this._valueLength;
+
+  // Don't get confused, there are 3 "internal" streams for each keyval pair
+  // so it basically checks if there is any value added to the form
+  if (this._streams.length) {
+    knownLength += this._lastBoundary().length;
+  }
+
+  // https://github.com/form-data/form-data/issues/40
+  if (!this.hasKnownLength()) {
+    // Some async length retrievers are present
+    // therefore synchronous length calculation is false.
+    // Please use getLength(callback) to get proper length
+    this._error(new Error('Cannot calculate proper length in synchronous way.'));
+  }
+
+  return knownLength;
+};
+
+// Public API to check if length of added values is known
+// https://github.com/form-data/form-data/issues/196
+// https://github.com/form-data/form-data/issues/262
+FormData.prototype.hasKnownLength = function() {
+  var hasKnownLength = true;
+
+  if (this._valuesToMeasure.length) {
+    hasKnownLength = false;
+  }
+
+  return hasKnownLength;
+};
+
+FormData.prototype.getLength = function(cb) {
+  var knownLength = this._overheadLength + this._valueLength;
+
+  if (this._streams.length) {
+    knownLength += this._lastBoundary().length;
+  }
+
+  if (!this._valuesToMeasure.length) {
+    process.nextTick(cb.bind(this, null, knownLength));
+    return;
+  }
+
+  asynckit.parallel(this._valuesToMeasure, this._lengthRetriever, function(err, values) {
+    if (err) {
+      cb(err);
+      return;
+    }
+
+    values.forEach(function(length) {
+      knownLength += length;
+    });
+
+    cb(null, knownLength);
+  });
+};
+
+FormData.prototype.submit = function(params, cb) {
+  var request
+    , options
+    , defaults = {method: 'post'}
+    ;
+
+  // parse provided url if it's string
+  // or treat it as options object
+  if (typeof params == 'string') {
+
+    params = parseUrl(params);
+    options = populate({
+      port: params.port,
+      path: params.pathname,
+      host: params.hostname,
+      protocol: params.protocol
+    }, defaults);
+
+  // use custom params
+  } else {
+
+    options = populate(params, defaults);
+    // if no port provided use default one
+    if (!options.port) {
+      options.port = options.protocol == 'https:' ? 443 : 80;
+    }
+  }
+
+  // put that good code in getHeaders to some use
+  options.headers = this.getHeaders(params.headers);
+
+  // https if specified, fallback to http in any other case
+  if (options.protocol == 'https:') {
+    request = https.request(options);
+  } else {
+    request = http.request(options);
+  }
+
+  // get content length and fire away
+  this.getLength(function(err, length) {
+    if (err) {
+      this._error(err);
+      return;
+    }
+
+    // add content length
+    request.setHeader('Content-Length', length);
+
+    this.pipe(request);
+    if (cb) {
+      request.on('error', cb);
+      request.on('response', cb.bind(this, null));
+    }
+  }.bind(this));
+
+  return request;
+};
+
+FormData.prototype._error = function(err) {
+  if (!this.error) {
+    this.error = err;
+    this.pause();
+    this.emit('error', err);
+  }
+};
+
+FormData.prototype.toString = function () {
+  return '[object FormData]';
+};