Support HTTP 302 redirects (#116)

* Support HTTP 302 redirects

* added 302 to test and polyfill

Author: rybon

example/eventsource-polyfill.js

@@ -3764,7 +3764,7 @@ var IncomingMessage = exports.IncomingMessage = function (xhr, response, mode, f
 		self.url = response.url
 		self.statusCode = response.status
 		self.statusMessage = response.statusText
-		
+
 		response.headers.forEach(function (header, key){
 			self.headers[key.toLowerCase()] = header
 			self.rawHeaders.push(key, header)
@@ -3894,7 +3894,7 @@ IncomingMessage.prototype._onXHRProgress = function () {
 				self.push(new Buffer(response))
 				break
 			}
-			// Falls through in IE8	
+			// Falls through in IE8
 		case 'text':
 			try { // This will fail when readyState = 3 in IE9. Switch mode and wait for readyState = 4
 				response = xhr.responseText
@@ -6457,7 +6457,7 @@ function EventSource (url, eventSourceInitDict) {
       }
 
       // Handle HTTP redirects
-      if (res.statusCode === 301 || res.statusCode === 307) {
+      if (res.statusCode === 301 || res.statusCode === 302 || res.statusCode === 307) {
         if (!res.headers.location) {
           // Server sent redirect response without Location header.
           _emit('error', new Event('error', {status: res.statusCode}))
@@ -10085,4 +10085,4 @@ if (typeof Object.create === 'function') {
 
 
 /***/ })
-/******/ ]);
+/******/ ]);

lib/eventsource.js

@@ -142,7 +142,7 @@ function EventSource (url, eventSourceInitDict) {
       }
 
       // Handle HTTP redirects
-      if (res.statusCode === 301 || res.statusCode === 307) {
+      if (res.statusCode === 301 || res.statusCode === 302 || res.statusCode === 307) {
         if (!res.headers.location) {
           // Server sent redirect response without Location header.
           _emit('error', new Event('error', {status: res.statusCode, message: res.statusMessage}))

test/eventsource_test.js

@@ -529,7 +529,7 @@ describe('HTTP Request', function () {
     })
   });
 
-  [301, 307].forEach(function (status) {
+  [301, 302, 307].forEach(function (status) {
     it('follows http ' + status + ' redirect', function (done) {
       var redirectSuffix = '/foobar'
       var clientRequestedRedirectUrl = false