[apps/tidep0084.git] / example / iot-gateway / node_modules / engine.io / lib / transports / polling-jsonp.js
diff --git a/example/iot-gateway/node_modules/engine.io/lib/transports/polling-jsonp.js b/example/iot-gateway/node_modules/engine.io/lib/transports/polling-jsonp.js
+++ /dev/null
@@ -1,74 +0,0 @@
-
-/**
- * Module dependencies.
- */
-
-var Polling = require('./polling');
-var qs = require('querystring');
-var rDoubleSlashes = /\\\\n/g;
-var rSlashes = /(\\)?\\n/g;
-
-/**
- * Module exports.
- */
-
-module.exports = JSONP;
-
-/**
- * JSON-P polling transport.
- *
- * @api public
- */
-
-function JSONP (req) {
- Polling.call(this, req);
-
- this.head = '___eio[' + (req._query.j || '').replace(/[^0-9]/g, '') + '](';
- this.foot = ');';
-};
-
-/**
- * Inherits from Polling.
- */
-
-JSONP.prototype.__proto__ = Polling.prototype;
-
-/**
- * Handles incoming data.
- * Due to a bug in \n handling by browsers, we expect a escaped string.
- *
- * @api private
- */
-
-JSONP.prototype.onData = function (data) {
- // we leverage the qs module so that we get built-in DoS protection
- // and the fast alternative to decodeURIComponent
- data = qs.parse(data).d;
- if ('string' == typeof data) {
- //client will send already escaped newlines as \\\\n and newlines as \\n
- // \\n must be replaced with \n and \\\\n with \\n
- data = data.replace(rSlashes, function(match, slashes) {
- return slashes ? match : '\n';
- });
- Polling.prototype.onData.call(this, data.replace(rDoubleSlashes, '\\n'));
- }
-};
-
-/**
- * Performs the write.
- *
- * @api private
- */
-
-JSONP.prototype.doWrite = function (data, options, callback) {
- // we must output valid javascript, not valid json
- // see: http://timelessrepo.com/json-isnt-a-javascript-subset
- var js = JSON.stringify(data)
- .replace(/\u2028/g, '\\u2028')
- .replace(/\u2029/g, '\\u2029');
-
- // prepare response
- data = this.head + js + this.foot;
-
- Polling.prototype.doWrite.call(this, data, options, callback);
-};