73 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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var EventEmitter = require('events').EventEmitter
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  , inherits = require('inherits')
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  , http = require('http')
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  , https = require('https')
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  , URL = require('url-parse')
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  ;
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var debug = function() {};
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if (process.env.NODE_ENV !== 'production') {
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  debug = require('debug')('sockjs-client:driver:xhr');
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}
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function XhrDriver(method, url, payload, opts) {
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  debug(method, url, payload);
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  var self = this;
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  EventEmitter.call(this);
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  var parsedUrl = new URL(url);
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  var options = {
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    method: method
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  , hostname: parsedUrl.hostname.replace(/\[|\]/g, '')
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  , port: parsedUrl.port
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  , path: parsedUrl.pathname + (parsedUrl.query || '')
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  , headers: opts && opts.headers
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  , agent: false
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  };
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  var protocol = parsedUrl.protocol === 'https:' ? https : http;
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  this.req = protocol.request(options, function(res) {
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    res.setEncoding('utf8');
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    var responseText = '';
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    res.on('data', function(chunk) {
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      debug('data', chunk);
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      responseText += chunk;
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      self.emit('chunk', 200, responseText);
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    });
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    res.once('end', function() {
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      debug('end');
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      self.emit('finish', res.statusCode, responseText);
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      self.req = null;
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    });
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  });
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  this.req.on('error', function(e) {
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    debug('error', e);
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    self.emit('finish', 0, e.message);
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  });
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  if (payload) {
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    this.req.write(payload);
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  }
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  this.req.end();
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}
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inherits(XhrDriver, EventEmitter);
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XhrDriver.prototype.close = function() {
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  debug('close');
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  this.removeAllListeners();
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  if (this.req) {
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    this.req.abort();
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    this.req = null;
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  }
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};
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XhrDriver.enabled = true;
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XhrDriver.supportsCORS = true;
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module.exports = XhrDriver;
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