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node_modules/sockjs/lib/trans-htmlfile.js 2.27 KB
aaac7fed   liuqimichale   add
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  // Generated by CoffeeScript 1.12.7
  (function() {
    var HtmlFileReceiver, iframe_template, transport, utils,
      extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
      hasProp = {}.hasOwnProperty;
  
    utils = require('./utils');
  
    transport = require('./transport');
  
    iframe_template = "<!doctype html>\n<html><head>\n  <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\" />\n  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n</head><body><h2>Don't panic!</h2>\n  <script>\n    document.domain = document.domain;\n    var c = parent.{{ callback }};\n    c.start();\n    function p(d) {c.message(d);};\n    window.onload = function() {c.stop();};\n  </script>";
  
    iframe_template += Array(1024 - iframe_template.length + 14).join(' ');
  
    iframe_template += '\r\n\r\n';
  
    HtmlFileReceiver = (function(superClass) {
      extend(HtmlFileReceiver, superClass);
  
      function HtmlFileReceiver() {
        return HtmlFileReceiver.__super__.constructor.apply(this, arguments);
      }
  
      HtmlFileReceiver.prototype.protocol = "htmlfile";
  
      HtmlFileReceiver.prototype.doSendFrame = function(payload) {
        return HtmlFileReceiver.__super__.doSendFrame.call(this, '<script>\np(' + JSON.stringify(payload) + ');\n</script>\r\n');
      };
  
      return HtmlFileReceiver;
  
    })(transport.ResponseReceiver);
  
    exports.app = {
      htmlfile: function(req, res) {
        var callback;
        if (!('c' in req.query || 'callback' in req.query)) {
          throw {
            status: 500,
            message: '"callback" parameter required'
          };
        }
        callback = 'c' in req.query ? req.query['c'] : req.query['callback'];
        if (/[^a-zA-Z0-9-_.]/.test(callback)) {
          throw {
            status: 500,
            message: 'invalid "callback" parameter'
          };
        }
        res.setHeader('Content-Type', 'text/html; charset=UTF-8');
        res.writeHead(200);
        res.write(iframe_template.replace(/{{ callback }}/g, callback));
        transport.register(req, this, new HtmlFileReceiver(req, res, this.options));
        return true;
      }
    };
  
  }).call(this);