Change cloudshell request method from post to get

Author: Avery-Dunn

msal4j-sdk/src/main/java/com/microsoft/aad/msal4j/AbstractManagedIdentitySource.java

@@ -49,12 +49,11 @@ public ManagedIdentityResponse getManagedIdentityResponse(
         IHttpResponse response;
 
         try {
-
-            HttpRequest httpRequest = managedIdentityRequest.method.equals(HttpMethod.GET) ?
-                    new HttpRequest(HttpMethod.GET,
+            HttpRequest httpRequest = StringHelper.isNullOrBlank(managedIdentityRequest.getBodyAsString()) ?
+                    new HttpRequest(managedIdentityRequest.method,
                             managedIdentityRequest.computeURI().toString(),
                             managedIdentityRequest.headers) :
-                    new HttpRequest(HttpMethod.POST,
+                    new HttpRequest(managedIdentityRequest.method,
                             managedIdentityRequest.computeURI().toString(),
                             managedIdentityRequest.headers,
                             managedIdentityRequest.getBodyAsString());

msal4j-sdk/src/main/java/com/microsoft/aad/msal4j/CloudShellManagedIdentitySource.java

@@ -20,15 +20,17 @@ class CloudShellManagedIdentitySource extends AbstractManagedIdentitySource{
     @Override
     public void createManagedIdentityRequest(String resource) {
         managedIdentityRequest.baseEndpoint = msiEndpoint;
-        managedIdentityRequest.method = HttpMethod.POST;
+        managedIdentityRequest.method = HttpMethod.GET;
 
         managedIdentityRequest.headers = new HashMap<>();
         managedIdentityRequest.headers.put("ContentType", "application/x-www-form-urlencoded");
         managedIdentityRequest.headers.put("Metadata", "true");
-        managedIdentityRequest.headers.put("resource", resource);
 
         managedIdentityRequest.bodyParameters = new HashMap<>();
         managedIdentityRequest.bodyParameters.put("resource", Collections.singletonList(resource));
+
+        managedIdentityRequest.queryParameters = new HashMap<>();
+        managedIdentityRequest.queryParameters.put("resource", Collections.singletonList(resource));
     }
 
     private CloudShellManagedIdentitySource(MsalRequest msalRequest, ServiceBundle serviceBundle, URI msiEndpoint)

msal4j-sdk/src/test/java/com/microsoft/aad/msal4j/ManagedIdentityTests.java

@@ -86,10 +86,11 @@ private HttpRequest expectedRequest(ManagedIdentitySourceType source, String res
 
                 headers.put("ContentType", "application/x-www-form-urlencoded");
                 headers.put("Metadata", "true");
-                headers.put("resource", resource);
 
                 bodyParameters.put("resource", Collections.singletonList(resource));
-                return new HttpRequest(HttpMethod.POST, computeUri(endpoint, queryParameters), headers, URLUtils.serializeParameters(bodyParameters));
+
+                queryParameters.put("resource", Collections.singletonList(resource));
+                return new HttpRequest(HttpMethod.GET, computeUri(endpoint, queryParameters), headers, URLUtils.serializeParameters(bodyParameters));
             }
             case IMDS: {
                 endpoint = IMDS_ENDPOINT;