add recursivity for archive style files

mat2

@@ -58,6 +58,7 @@ def create_arg_parser() -> argparse.ArgumentParser:
 
 
 def show_meta(filename: str):
+    recursive_mtype = ["application/zip"]
     if not __check_file(filename):
         return
 
@@ -73,10 +74,23 @@ def show_meta(filename: str):
         return
 
     for k, v in metadata:
+        zipmeta = v
+        zipmeta_name = v
         try:  # FIXME this is ugly.
-            print("  %s: %s" % (k, v))
+            if not isinstance(zipmeta, dict):
+                print("  %s: %s" % (k, v))
         except UnicodeEncodeError:
             print("  %s: harmful content" % k)
+    if mtype in recursive_mtype:
+        print("[+] Metadata for files inside the archive :")
+        if isinstance(zipmeta, dict):
+            for name, metas in zipmeta.items():
+                try:  # FIXME this is ugly.
+                    print("  %s" % name)
+                    for meta_name, meta in metas.items():
+                        print("    %s: %s" % (meta_name, meta))
+                except UnicodeEncodeError:
+                    print("  %s: harmful content" % zipmeta_name)
 
 def clean_meta(filename: str, is_lightweight: bool, policy: UnknownMemberPolicy) -> bool:
     if not __check_file(filename, os.R_OK|os.W_OK):