OneDrive Search throws UnknownError when search contains "*"

[TheUniquePaulSmith]

Edit - Just realized I can also reproduce this in the Graph Explorer
I'm working on a prototype application leveraging the Microsoft.Graph SDK. I noticed that if I run the following code on my "Live" / Personal OneDrive account it works just fine and returns the files I expect. However, if I run the same code against my OneDrive for Business, it throws an internal exception within Microsoft.Graph.Core. I suspect the reason is that my search Url contains a * as mentioned in the error, but why does it work when searching a Live account and break when searching a Work account?

Sample Code Snippet:

 var graphserviceClient = new GraphServiceClient(
         new DelegateAuthenticationProvider(
             (requestMessage) =>
             {
                 requestMessage.Headers.Authorization = new AuthenticationHeaderValue("bearer", ADALAuth.CurrentAccessToken);

                 return Task.FromResult(0);
             }));

            var drive = graphserviceClient.Me.Drive.Request().GetAsync().Result;
            var collection = graphserviceClient.Me.Drive.Search("*.xyz").Request().GetAsync().GetAwaiter().GetResult();

The error message returned is:

Code: UnknownError
Message: A potentially dangerous Request.Path value was detected from the client (*).

Inner error

Stack Trace:

   at Microsoft.Graph.HttpProvider.<SendAsync>d__19.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.Graph.BaseRequest.<SendRequestAsync>d__36.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.Graph.BaseRequest.<SendAsync>d__32`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.Graph.DriveSearchRequest.<GetAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at _Default.Page_Load(Object sender, EventArgs e) in e:\Profile\Documents\Visual Studio 2015\WebSites\AzureWebApp\Default.aspx.cs:line 33
   at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
   at System.Web.UI.Control.OnLoad(EventArgs e)
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

[caitlinrussell]

Since this is a service related issue and not specific to the SDK, could you open a question on StackOverflow tagged with [microsoftgraph] and [onedrive]?

There are different behaviors in One Drive Consumer (live) and One Drive for Business and someone from that team should be able to elucidate why that is in this case.

[MIchaelMainer]

@rgregg Search with a '*' is handled differently on consumer vs. business. Causes an UnknownError for business accounts.

https://stackoverflow.com/questions/45044183/onedrive-search-throws-unknownerror-when-search-contains