Use AAD auth for PublishAzureWebApps (#21628)

* Use AAD auth for PublishAzureWebApps

* Update ChangeLog.md

---------

Co-authored-by: Yunchi Wang <[email protected]>

Author: dannysongg

src/Websites/Websites/ChangeLog.md

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Used AAD Auth instead of Basic Auth for PublishAzureWebApps
 
 ## Version 2.15.0
 * Fixed Tag parameter issues with ASE for `New-AzWebApp`

src/Websites/Websites/Cmdlets/WebApps/PublishAzureWebApp.cs

@@ -14,6 +14,7 @@
 // ----------------------------------------------------------------------------------
 
 
+using Microsoft.Azure.Commands.Common.Authentication;
 using Microsoft.Azure.Commands.WebApps.Models;
 using Microsoft.Azure.Management.WebSites.Models;
 using Microsoft.WindowsAzure.Commands.Utilities.Common;
@@ -22,6 +23,7 @@
 using System.Management.Automation;
 using System.Net;
 using System.Net.Http;
+using System.Net.Http.Headers;
 using System.Text;
 using System.Threading;
 
@@ -85,8 +87,9 @@ public override void ExecuteCmdlet()
                         client.Timeout = TimeSpan.FromMilliseconds(Timeout);
                     }
 
-                    var byteArray = Encoding.ASCII.GetBytes(user.PublishingUserName + ":" + user.PublishingPassword);
-                    client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
+                    var token = WebsitesClient.GetAccessToken(DefaultContext);
+                    client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token.AccessToken);
+
                     HttpContent fileContent = new StreamContent(s);
                     fileContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/zip");
                     r = client.PostAsync(deployUrl, fileContent).Result;
@@ -126,6 +129,5 @@ public override void ExecuteCmdlet()
             PSSite app = new PSSite(WebsitesClient.GetWebApp(ResourceGroupName, Name, Slot));
             WriteObject(app);
         }
-
     }
 }