Add null check to FilterDescriptorExtensions (#25)

VictorioBerra · RehanSaeed · commit bf041379c832 · 2018-08-28T09:47:17.000+01:00
* Add null check to FilterDescriptorExtensions

Not every `AuthorizeFilter` will have a policy; Some are dynamically created.

* Add space following `if`.
diff --git a/Source/Boxed.AspNetCore.Swagger/FilterDescriptorExtensions.cs b/Source/Boxed.AspNetCore.Swagger/FilterDescriptorExtensions.cs
@@ -22,7 +22,10 @@ public static IList<IAuthorizationRequirement> GetPolicyRequirements(
 
                 if (filterDescriptor.Filter is AuthorizeFilter authorizeFilter)
                 {
-                    policyRequirements.AddRange(authorizeFilter.Policy.Requirements);
+                    if (authorizeFilter.Policy != null)
+                    {
+                        policyRequirements.AddRange(authorizeFilter.Policy.Requirements);
+                    }
                 }
             }
 

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,10 @@ public static IList<IAuthorizationRequirement> GetPolicyRequirements(`
`22`	`22`
`23`	`23`	`if (filterDescriptor.Filter is AuthorizeFilter authorizeFilter)`
`24`	`24`	`{`
`25`		`- policyRequirements.AddRange(authorizeFilter.Policy.Requirements);`
	`25`	`+ if (authorizeFilter.Policy != null)`
	`26`	`+ {`
	`27`	`+ policyRequirements.AddRange(authorizeFilter.Policy.Requirements);`
	`28`	`+ }`
`26`	`29`	`}`
`27`	`30`	`}`
`28`	`31`