Add instanceof check for disableGraphIntegration (#157)

Author: timja

src/main/java/com/microsoft/jenkins/azuread/AzureAdAuthorizationMatrixFolderProperty.java

@@ -9,6 +9,7 @@
 import hudson.model.Item;
 import hudson.security.Permission;
 import hudson.security.PermissionScope;
+import hudson.security.SecurityRealm;
 import hudson.util.FormValidation;
 import jenkins.model.Jenkins;
 import net.sf.json.JSONObject;
@@ -102,8 +103,13 @@ public FormValidation doCheckName(@AncestorInPath AbstractFolder<?> folder, @Que
 
         @SuppressWarnings("unused") // called by jelly
         public boolean isDisableGraphIntegration() {
-            AzureSecurityRealm securityRealm = (AzureSecurityRealm) Jenkins.get().getSecurityRealm();
-            return securityRealm.isDisableGraphIntegration();
+            SecurityRealm securityRealm = Jenkins.get().getSecurityRealm();
+            if (securityRealm instanceof AzureSecurityRealm) {
+                AzureSecurityRealm azureSecurityRealm = (AzureSecurityRealm) securityRealm;
+                return azureSecurityRealm.isDisableGraphIntegration();
+            }
+
+            return true;
         }
 
         @Override

src/main/java/com/microsoft/jenkins/azuread/AzureAdAuthorizationMatrixNodeProperty.java

@@ -8,6 +8,7 @@
 import hudson.security.AuthorizationStrategy;
 import hudson.security.Permission;
 import hudson.security.PermissionScope;
+import hudson.security.SecurityRealm;
 import hudson.slaves.NodePropertyDescriptor;
 import hudson.util.FormValidation;
 import jenkins.model.Jenkins;
@@ -129,8 +130,13 @@ public String getDisplayName() {
 
         @SuppressWarnings("unused") // called by jelly
         public boolean isDisableGraphIntegration() {
-            AzureSecurityRealm securityRealm = (AzureSecurityRealm) Jenkins.get().getSecurityRealm();
-            return securityRealm.isDisableGraphIntegration();
+            SecurityRealm securityRealm = Jenkins.get().getSecurityRealm();
+            if (securityRealm instanceof AzureSecurityRealm) {
+                AzureSecurityRealm azureSecurityRealm = (AzureSecurityRealm) securityRealm;
+                return azureSecurityRealm.isDisableGraphIntegration();
+            }
+
+            return true;
         }
 
         @Restricted(DoNotUse.class)

src/main/java/com/microsoft/jenkins/azuread/AzureAdAuthorizationMatrixProperty.java

@@ -9,6 +9,7 @@
 import hudson.security.AuthorizationMatrixProperty;
 import hudson.security.Permission;
 import hudson.security.PermissionScope;
+import hudson.security.SecurityRealm;
 import hudson.util.FormValidation;
 import jenkins.model.Jenkins;
 import net.sf.json.JSONObject;
@@ -132,8 +133,13 @@ public String getDisplayName() {
 
         @SuppressWarnings("unused") // called by jelly
         public boolean isDisableGraphIntegration() {
-            AzureSecurityRealm securityRealm = (AzureSecurityRealm) Jenkins.get().getSecurityRealm();
-            return securityRealm.isDisableGraphIntegration();
+            SecurityRealm securityRealm = Jenkins.get().getSecurityRealm();
+            if (securityRealm instanceof AzureSecurityRealm) {
+                AzureSecurityRealm azureSecurityRealm = (AzureSecurityRealm) securityRealm;
+                return azureSecurityRealm.isDisableGraphIntegration();
+            }
+
+            return true;
         }
     }
 

src/main/java/com/microsoft/jenkins/azuread/AzureAdMatrixAuthorizationStrategy.java

@@ -264,6 +264,7 @@ public boolean isDisableGraphIntegration() {
                 AzureSecurityRealm azureSecurityRealm = (AzureSecurityRealm) securityRealm;
                 return azureSecurityRealm.isDisableGraphIntegration();
             }
+
             return true;
         }
     }