From 3fda340ad1b82691124f588fa076fe00631462ff Mon Sep 17 00:00:00 2001
From: Yannick Loriot <yannick.loriot@gmail.com>
Date: Tue, 21 Apr 2015 17:30:19 +0200
Subject: [PATCH] [FIX] Plus signs (+) is not URL encoded #57

---
 SocketIOClientSwift/SocketEngine.swift | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/SocketIOClientSwift/SocketEngine.swift b/SocketIOClientSwift/SocketEngine.swift
index 4be2a87..d58072b 100644
--- a/SocketIOClientSwift/SocketEngine.swift
+++ b/SocketIOClientSwift/SocketEngine.swift
@@ -154,15 +154,17 @@ public final class SocketEngine: NSObject, WebSocketDelegate, SocketLogClient {
         }
         
         if params != nil {
+            let allowedCharacterSet = NSCharacterSet(charactersInString: "!*'();:@&=+$,/?%#[]\" ").invertedSet
+          
             for (key, value) in params! {
                 let keyEsc = key.stringByAddingPercentEncodingWithAllowedCharacters(
-                    NSCharacterSet.URLHostAllowedCharacterSet())!
+                    allowedCharacterSet)!
                 urlPolling += "&\(keyEsc)="
                 urlWebSocket += "&\(keyEsc)="
                 
                 if value is String {
                     let valueEsc = (value as! String).stringByAddingPercentEncodingWithAllowedCharacters(
-                        NSCharacterSet.URLHostAllowedCharacterSet())!
+                        allowedCharacterSet)!
                     urlPolling += "\(valueEsc)"
                     urlWebSocket += "\(valueEsc)"
                 } else {