diff options
| author | Jules Laplace <jules@okfoc.us> | 2012-09-24 16:22:07 -0400 |
|---|---|---|
| committer | Jules Laplace <jules@okfoc.us> | 2012-09-24 16:22:07 -0400 |
| commit | 686106d544ecc3b6ffd4db2b665d3bc879a58d8c (patch) | |
| tree | a5b5e50237cef70e12f0745371896e96f5f6d578 /node_modules/socket.io/lib/transports/jsonp-polling.js | |
ok
Diffstat (limited to 'node_modules/socket.io/lib/transports/jsonp-polling.js')
| -rw-r--r-- | node_modules/socket.io/lib/transports/jsonp-polling.js | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/node_modules/socket.io/lib/transports/jsonp-polling.js b/node_modules/socket.io/lib/transports/jsonp-polling.js new file mode 100644 index 0000000..83d11b8 --- /dev/null +++ b/node_modules/socket.io/lib/transports/jsonp-polling.js @@ -0,0 +1,96 @@ + +/*! + * socket.io-node + * Copyright(c) 2011 LearnBoost <dev@learnboost.com> + * MIT Licensed + */ + +/** + * Module requirements. + */ + +var HTTPPolling = require('./http-polling'); + +/** + * Export the constructor. + */ + +exports = module.exports = JSONPPolling; + +/** + * JSON-P polling transport. + * + * @api public + */ + +function JSONPPolling (mng, data, req) { + HTTPPolling.call(this, mng, data, req); + + this.head = 'io.j[0]('; + this.foot = ');'; + + if (data.query.i) { + this.head = 'io.j[' + data.query.i + ']('; + } +}; + +/** + * Inherits from Transport. + */ + +JSONPPolling.prototype.__proto__ = HTTPPolling.prototype; + +/** + * Transport name + * + * @api public + */ + +JSONPPolling.prototype.name = 'jsonppolling'; + +/** + * Make sure POST are decoded. + */ + +JSONPPolling.prototype.postEncoded = true; + +/** + * Handles incoming data. + * Due to a bug in \n handling by browsers, we expect a JSONified string. + * + * @api private + */ + +JSONPPolling.prototype.onData = function (data) { + try { + data = JSON.parse(data); + } catch (e) { + this.error('parse', 'reconnect'); + return; + } + + HTTPPolling.prototype.onData.call(this, data); +}; + +/** + * Performs the write. + * + * @api private + */ + +JSONPPolling.prototype.doWrite = function (data) { + HTTPPolling.prototype.doWrite.call(this); + + var data = data === undefined + ? '' : this.head + JSON.stringify(data) + this.foot; + + this.response.writeHead(200, { + 'Content-Type': 'text/javascript; charset=UTF-8' + , 'Content-Length': Buffer.byteLength(data) + , 'Connection': 'Keep-Alive' + , 'X-XSS-Protection': '0' + }); + + this.response.write(data); + this.log.debug(this.name + ' writing', data); +}; |
