barakataboujreich opened a new issue #944: URL: https://github.com/apache/cordova-ios/issues/944
## Description hello guys, we are trying to upgrade cordova-ios to 6.1.0 since uiwebview is deprecated and wont be accepted on stores anymore. we had everything working on uiwebview. i managed to make XMLHttpRequest work with null origin, and we are able to make api calls again. but we are facing a problem with signalR, it seems that it's not able to connect. i am not able to figure out the problem. ### What is expected to happen? signalR to connect normally to the server. ### What does actually happen? signal R isn't able to connect. ## Information for a start i got this call: ``` Summary URL: http://192.168.47.105:55554/signalr/connect?transport=serverSentEvents&clientProtocol=1.5&connectionToken=OC0LMC6PzDP%2BbksoG4PF3OlmAX6ScrTdg3yOxtaZFnHAspQjvqfFpDSCIWJGLNME%2FlCUg86Vpg1h12VOoR2uB0b2LyBVPbsRU%2BVo%2BNONkFIgdFfNcVahRec6xURdjwMs&connectionData=%5B%7B%22name%22%3A%22kindoohub%22%7D%5D&tid=9 Status: 200 OK Source: Network Request Accept: text/event-stream Cache-Control: no-cache Origin: null User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 13_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Pragma: no-cache Response Content-Type: text/event-stream Access-Control-Allow-Origin: null Pragma: no-cache Access-Control-Allow-Methods: GET, POST Expires: -1 Transfer-Encoding: Identity Access-Control-Allow-Headers: Content-Type Cache-Control: no-cache Date: Wed, 15 Jul 2020 12:37:22 GMT Access-Control-Allow-Credentials: true X-Content-Type-Options: nosniff X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET Server: Microsoft-IIS/7.5 Query String Parameters transport: serverSentEvents clientProtocol: 1.5 connectionToken: OC0LMC6PzDP+bksoG4PF3OlmAX6ScrTdg3yOxtaZFnHAspQjvqfFpDSCIWJGLNME/lCUg86Vpg1h12VOoR2uB0b2LyBVPbsRU+Vo+NONkFIgdFfNcVahRec6xURdjwMs connectionData: [{"name":"kindoohub"}] tid: 9 ``` although the status is 200 ok, it is marked in red, and the preview shows an error occured trying to load the resource. then i get this in console: `XMLHttpRequest cannot load http://192.168.47.105:55554/signalr/abort?transport=serverSentEvents&clientProtocol=1.5&connectionToken=OC0LMC6PzDP%2BbksoG4PF3OlmAX6ScrTdg3yOxtaZFnHAspQjvqfFpDSCIWJGLNME%2FlCUg86Vpg1h12VOoR2uB0b2LyBVPbsRU%2BVo%2BNONkFIgdFfNcVahRec6xURdjwMs&connectionData=%5B%7B%22name%22%3A%22kindoohub%22%7D%5D.` now this is my config.xml: ``` <?xml version='1.0' encoding='utf-8'?> <widget id="{{myappid}}" version="3.6.3" xmlns="http://www.w3.org/ns/widgets"; xmlns:gap="http://phonegap.com/ns/1.0";> <name>kindoo</name> <description> kindoo is an application that transforms any electric lock to a smart lock </description> <author email="[email protected]" href="http://codegears.com";> Code gears </author> <content src="index.html" /> <preference name="permissions" value="none" /> <preference name="orientation" value="default" /> <preference name="target-device" value="universal" /> <preference name="fullscreen" value="true" /> <preference name="webviewbounce" value="true" /> <preference name="prerendered-icon" value="true" /> <preference name="stay-in-webview" value="false" /> <preference name="ios-statusbarstyle" value="black-opaque" /> <preference name="detect-data-types" value="true" /> <preference name="exit-on-suspend" value="false" /> <preference name="ShowSplashScreenSpinner" value="false" /> <preference name="AutoHideSplashScreen" value="false" /> <preference name="disable-cursor" value="false" /> <preference name="android-minSdkVersion" value="14" /> <preference name="android-installLocation" value="auto" /> <preference name="DisallowOverscroll" value="true" /> <preference name="StatusBarOverlaysWebView" value="false" /> <preference name="StatusBarBackgroundColor" value="#142515" /> <preference name="CordovaWebViewEngine" value="CDVWKWebViewEngine" /> <gap:plugin name="org.apache.cordova.battery-status" /> <gap:plugin name="org.apache.cordova.camera" /> <gap:plugin name="org.apache.cordova.media-capture" /> <gap:plugin name="org.apache.cordova.console" /> <gap:plugin name="org.apache.cordova.contacts" /> <gap:plugin name="org.apache.cordova.device" /> <gap:plugin name="org.apache.cordova.device-motion" /> <gap:plugin name="org.apache.cordova.device-orientation" /> <gap:plugin name="org.apache.cordova.dialogs" /> <gap:plugin name="org.apache.cordova.file" /> <gap:plugin name="org.apache.cordova.file-transfer" /> <gap:plugin name="org.apache.cordova.geolocation" /> <gap:plugin name="org.apache.cordova.globalization" /> <gap:plugin name="org.apache.cordova.inappbrowser" /> <gap:plugin name="org.apache.cordova.media" /> <gap:plugin name="org.apache.cordova.network-information" /> <gap:plugin name="org.apache.cordova.splashscreen" /> <gap:plugin name="org.apache.cordova.vibration" /> <platform name="ios"> <allow-intent href="itms:*" /> <allow-intent href="itms-apps:*" /> <allow-navigation href="http://192.168.47.105:55554/*"; /> <allow-navigation href="http://www.{{mydomainname}}.tech/*"; /> <allow-navigation href="http://*.{{mydomainname}}.tech/*"; /> <allow-navigation href="https://www.{{mydomainname}}.tech/*"; /> <allow-navigation href="https://*.{{mydomainname}}.tech/*"; /> <icon height="20" src="res/icon/ios/icon-20.png" width="20" /> <icon height="40" src="res/icon/ios/[email protected]" width="40" /> <icon height="60" src="res/icon/ios/[email protected]" width="60" /> <icon height="29" src="res/icon/ios/icon-29.png" width="29" /> <icon height="58" src="res/icon/ios/[email protected]" width="58" /> <icon height="87" src="res/icon/ios/[email protected]" width="87" /> <icon height="40" src="res/icon/ios/icon-40.png" width="40" /> <icon height="80" src="res/icon/ios/[email protected]" width="80" /> <icon height="120" src="res/icon/ios/[email protected]" width="120" /> <icon height="50" src="res/icon/ios/icon-50.png" width="50" /> <icon height="100" src="res/icon/ios/[email protected]" width="100" /> <icon height="57" src="res/icon/ios/icon-57.png" width="57" /> <icon height="114" src="res/icon/ios/[email protected]" width="114" /> <icon height="120" src="res/icon/ios/[email protected]" width="120" /> <icon height="180" src="res/icon/ios/[email protected]" width="180" /> <icon height="72" src="res/icon/ios/icon-72.png" width="72" /> <icon height="144" src="res/icon/ios/[email protected]" width="144" /> <icon height="76" src="res/icon/ios/icon-76.png" width="76" /> <icon height="152" src="res/icon/ios/[email protected]" width="152" /> <icon height="167" src="res/icon/ios/[email protected]" width="167" /> <icon height="1024" src="res/icon/ios/icon-1024.jpg" width="1024" /> <splash src="res/screen/ios/Default@2x~iphone~anyany.png" /> <splash src="res/screen/ios/Default@2x~iphone~comany.png" /> <splash src="res/screen/ios/Default@2x~iphone~comcom.png" /> <splash src="res/screen/ios/Default@3x~iphone~anyany.png" /> <splash src="res/screen/ios/Default@3x~iphone~anycom.png" /> <splash src="res/screen/ios/Default@3x~iphone~comany.png" /> <splash src="res/screen/ios/Default@2x~ipad~anyany.png" /> <splash src="res/screen/ios/Default@2x~ipad~comany.png" /> <edit-config file="*-Info.plist" mode="merge" target="NSBluetoothPeripheralUsageDescription"> <string>Bluetooth is needed to communicate with KINs</string> </edit-config> <edit-config file="*-Info.plist" mode="merge" target="NSBluetoothAlwaysUsageDescription"> <string>Bluetooth is needed to communicate with KINs</string> </edit-config> <edit-config file="*-Info.plist" mode="merge" target="NSCameraUsageDescription"> <string>Camera is needed to take profile picture</string> </edit-config> <edit-config file="*-Info.plist" mode="merge" target="NSMicrophoneUsageDescription"> <string>Microphone is needed to take a video</string> </edit-config> <edit-config file="*-Info.plist" mode="merge" target="NSPhotoLibraryUsageDescription"> <string>Library is needed to upload profile picture</string> </edit-config> <edit-config file="*-Info.plist" mode="merge" target="NSLocationAlwaysUsageDescription"> <string>Location is needed to communicate with KINs</string> </edit-config> <edit-config file="*-Info.plist" mode="merge" target="NSLocationWhenInUseUsageDescription"> <string>Location is needed to communicate with KINs</string> </edit-config> </platform> <access origin='*' allows-arbitrary-loads-for-media='true' allows-arbitrary-loads-in-web-content='true' allows-local-networking='true' /> <allow-navigation href="*" /> <allow-intent href="http://*/*"; /> <allow-intent href="https://*/*"; /> <allow-intent href="tel:*" /> <allow-intent href="sms:*" /> <allow-intent href="mailto:*"; /> <allow-intent href="geo:*" /> <feature name="CDVWKWebViewEngine"> <param name="ios-package" value="CDVWKWebViewEngine" /> <preference name="scheme" value="http" /> <preference name="hostname" value="192.168.47.105" /> </feature> </widget> ``` i have these customheaders in my server Web.config ``` <customHeaders> <add name="Access-Control-Allow-Headers" value="Content-Type" /> <add name="Access-Control-Allow-Methods" value="GET, POST" /> <add name="Access-Control-Allow-Credentials" value="true" /> </customHeaders> ``` and i have this code in Global.asax.cs to handle the null origin: ``` protected void Application_BeginRequest(object sender, EventArgs e) { if (Context.Request.UrlReferrer != null) HttpContext.Current.Response.AddHeader("Access-Control-Allow-Origin", Context.Request.UrlReferrer.GetLeftPart(UriPartial.Authority)); //browser else HttpContext.Current.Response.AddHeader("Access-Control-Allow-Origin", "null"); //cordova } ``` and for my startup: ``` public class Startup { public void Configuration(IAppBuilder app) { try { string redisIP = ConfigurationManager.AppSettings["RedisIP"].ToString(); int redisPort = int.Parse(ConfigurationManager.AppSettings["RedisPort"].ToString()); GlobalHost.DependencyResolver.UseRedis(redisIP, redisPort, null, "SignalRChat"); app.Map("/signalr", map => { //map.UseCors(CorsOptions.AllowAll); var hubConfiguration = new HubConfiguration { EnableDetailedErrors = true, EnableJavaScriptProxies = true, }; map.RunSignalR(hubConfiguration); }); } catch (Exception ex) { File.WriteAllText(@"C:\Logs\ex" + DateTime.UtcNow.Ticks.ToString() + ".txt", ex.Message + " " + ex.StackTrace); } } } ``` i tried enabling signalr cors but with no use and different error thrown about allow credentials to be different than true. i cant find the error or what is causing this problem if anyone can help me. ### Environment, Platform, Device Backend: .Net 4.5 webapi cordova: 9.0.0 cordova-ios: 6.1.0 device: iphonex device ios: 13.5.1 SignalR: 2.2.1.0 ## Checklist - [ ] I searched for existing GitHub issues - [x] I updated all Cordova tooling to most recent version - [x] I included all the necessary information above ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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