Added Cookie Header to XML and Websocket request

Summary:
Continuation of Pull Request facebook#7167

facebook#7167

Needed to clean my repository. So created this Pull Request
Closes facebook#10575

Differential Revision: D4955291

Pulled By: shergin

fbshipit-source-id: 94b9a086b7cf70ee6cc152d0b1a36c260140450e

Author: seraj-ahmad

Libraries/Network/RCTHTTPRequestHandler.mm

@@ -63,6 +63,9 @@ - (NSURLSessionDataTask *)sendRequest:(NSURLRequest *)request
     callbackQueue.maxConcurrentOperationCount = 1;
     callbackQueue.underlyingQueue = [[_bridge networking] methodQueue];
     NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
+    [configuration setHTTPShouldSetCookies:YES];
+    [configuration setHTTPCookieAcceptPolicy:NSHTTPCookieAcceptPolicyAlways];
+    [configuration setHTTPCookieStorage:[NSHTTPCookieStorage sharedHTTPCookieStorage]];
     _session = [NSURLSession sessionWithConfiguration:configuration
                                              delegate:self
                                         delegateQueue:callbackQueue];

Libraries/Network/RCTNetworking.mm

@@ -228,7 +228,19 @@ - (RCTURLRequestCancellationBlock)buildRequest:(NSDictionary<NSString *, id> *)q
   NSURL *URL = [RCTConvert NSURL:query[@"url"]]; // this is marked as nullable in JS, but should not be null
   NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL];
   request.HTTPMethod = [RCTConvert NSString:RCTNilIfNull(query[@"method"])].uppercaseString ?: @"GET";
-  request.allHTTPHeaderFields = [self stripNullsInRequestHeaders:[RCTConvert NSDictionary:query[@"headers"]]];
+
+  // Load and set the cookie header.
+  NSArray<NSHTTPCookie *> *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:URL];
+  request.allHTTPHeaderFields = [NSHTTPCookie requestHeaderFieldsWithCookies:cookies];
+
+  // Set supplied headers.
+  NSDictionary *headers = [RCTConvert NSDictionary:query[@"headers"]];
+  [headers enumerateKeysAndObjectsUsingBlock:^(NSString *key, id value, BOOL *stop) {
+    if (value) {
+      [request addValue:[RCTConvert NSString:value] forHTTPHeaderField:key];
+    }
+  }];
+
   request.timeoutInterval = [RCTConvert NSTimeInterval:query[@"timeout"]];
   request.HTTPShouldHandleCookies = [RCTConvert BOOL:query[@"withCredentials"]];
   NSDictionary<NSString *, id> *data = [RCTConvert NSDictionary:RCTNilIfNull(query[@"data"])];

Libraries/WebSocket/RCTWebSocketModule.m

@@ -60,6 +60,20 @@ - (void)dealloc
 RCT_EXPORT_METHOD(connect:(NSURL *)URL protocols:(NSArray *)protocols headers:(NSDictionary *)headers socketID:(nonnull NSNumber *)socketID)
 {
   NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL];
+  
+  // We load cookies from sharedHTTPCookieStorage (shared with XHR and
+  // fetch). To get secure cookies for wss URLs, replace wss with https
+  // in the URL.
+  NSURLComponents *components = [NSURLComponents componentsWithURL:URL resolvingAgainstBaseURL:true];
+  if ([components.scheme.lowercaseString isEqualToString:@"wss"]) {
+    components.scheme = @"https";
+  }
+
+  // Load and set the cookie header.
+  NSArray<NSHTTPCookie *> *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:components.URL];
+  request.allHTTPHeaderFields = [NSHTTPCookie requestHeaderFieldsWithCookies:cookies];
+  
+  // Load supplied headers
   [headers enumerateKeysAndObjectsUsingBlock:^(NSString *key, id value, BOOL *stop) {
     [request addValue:[RCTConvert NSString:value] forHTTPHeaderField:key];
   }];