Unity Webrequest Cookie Header not being properly set

Hi, I'm having an issue with Unity.Webrequest, my code works fine in the editor, but it doesn't when I build to Android.

My code logs in a user using a name and password and then gets a value from the server that it has to remember in order to identify itself the next times it serves or requests data. Getting this value works fine, but sending it back is failing on Android, while it works fine in the editor.

Code (CSharp):

1. string sessionCookie
2.  
3. public IEnumerator LoginUser () {
4.         WWWForm loginForm = new WWWForm ();
5.  
6.         loginForm.AddField("data[User][email]", "name");
7.         loginForm.AddField("data[User][password]", "pass");
8.  
9.         UnityWebRequest www = UnityWebRequest.Post ("http://192.168.1.2/api/login/", loginForm);
10.  
11.         www.SetRequestHeader ("X-Requested-With", "XMLHttpRequest");
12.  
13.         yield return www.SendWebRequest ();
14.  
15.         if (www.isNetworkError || www.isHttpError) {
16.             Debug.Log (www.error);
17.         } else {
18.             string s = www.GetResponseHeader ("set-cookie");
19.             sessionCookie = s.Substring (s.LastIndexOf ("sessionID")).Split (';') [0];
20.         }
21.     }
22.  
23.  
24. public IEnumerator GetUserInfo () {
25.         WWWForm form = new WWWForm ();
26.         UnityWebRequest www = UnityWebRequest.Post ("http://192.168.1.2/api/getUserInfo/", form);
27.  
28.         www.SetRequestHeader ("X-Requested-With", "XMLHttpRequest");
29.         www.SetRequestHeader ("Cookie", sessionCookie);
30.  
31.         yield return www.SendWebRequest ();
32.  
33.         if (www.isNetworkError || www.isHttpError) {
34.             Debug.Log (www.error);
35.         } else {
36.             Debug.Log ("WebRequest succeeded");
37.             Debug.Log (www.downloadHandler.text);
38.         }
39.     }

I felt like my problem was very similar to this one right here, since I know through debug logging that my sessionCookie has the correct value.
https://issuetracker.unity3d.com/is...es-not-recieve-all-the-set-cookie-header-data
So I upgraded to Unity 2018.1.1f. Could this have been a version too far?

Or am I missing something important that is vital to making this work on Android? Any advice is much appreciated!

 

I have checked to see what exactly the server receives and apparently, when doing the request two sessionID's are sent. (separated by a comma!).

It appears that Android automatically appends the cookie header to the outgoing request resulting in a cookie header with two sessionID's.

I tried this, to assert that the Header would only be set if it wasn't already.

Code (CSharp):

1. Debug.Log(www.GetRequestHeader("Cookie"));
2.         if ( www.GetRequestHeader("Cookie") == null )
3.             www.SetRequestHeader ("Cookie", sessionCookie);
4.  
5.         Debug.Log(www.GetRequestHeader("Cookie"));

But this doesn't work. The debug shows that the header is null before I add my own cookie header, and it logs as it should be after I set it.
I think this means that Android appends it's own header after Unity did what it is supposed to.

For now I made it work by simply commenting out the line where I set the cookie, meaning that I now have code that depends on Android taking care of this automatically.
I am still a bit worried though that this won't happen the same way on all current and future versions of Android, so if there is a way that assures my header is set properly and only once, I am still interested in a better solution.

 

I see, and there is no way to turn this CookieManager off or edit it? Or is it generally dependable?

I have it set up like this now:

Code (CSharp):

1.  
2. #if !UNITY_ANDROID
3. www.SetRequestHeader ("Cookie", APISessionCookie);
4. #endif
5.  

 

hallo everyone, i am trying to ger API, and try to set the header, but the header does not setup correctly, i don't know why.

Code (CSharp):

1. UnityEngine.Networking.UnityWebRequest request = UnityEngine.Networking.UnityWebRequest.Get(url);
2.                 request.SetRequestHeader("id", "abcdlksjdpa");
3.                 request.downloadHandler = new UnityEngine.Networking.DownloadHandlerBuffer();
4.                 yield return request.SendWebRequest();

 

hi @Aurimas-Cernius , with our api, the header, if not setup correctly we will get error response in json. The error is not about isNetworkError or isHttpError. Actually I have checked using postman app, and it is working well. Then we try in unity, it still get error. I don't know why. I assume when i call setrequestheader need another way. if you have advice to solve myproblem, it would be great, thanks

 

oh yaaa, i forgot something, when i call setrequestheader like mycode before and when i dont call setrequestheader in my code, both of them show the same error response in json.

 

I don't know if it late to continue this discussion or not but i ran to same problem 2 day ago just in android devices , I get unauthorized access , my code works fine in IOS and editor , I install an emulator and monitor the traffic with wireshark and figure out that just first time you want to call a web service an automated cookie is set by device so you have 2 cookies in your request . but as soon as you kill your app or quit it it wont set cookie automatically and everything works fine afterward , now the hard part is how to recognize if user close the app one or not ,to set a flag
is there any way to know what headers is in a request ?

 

Thank for the replay
First of all I am using unity2018.2
and yes I am setting cookie by my self and i dont think in this version they are set automatically except the first call from android deceives
my code work fine in IOS and Editor but fist call from android devices will send 2 cookies and get access denied from server but if i kill the app and run it again everything works fine

 

CookieHandler seems not working in my code ????

 

So if we want to store cookie and use it for a future session, is there not a way to do this on Android?