Added Panasonic BIOS Package Extractor v2.0_a7

New processes to better handle PE files

Various common package fixes and improvements

common/pe_ops.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+#coding=utf-8
+
+"""
+Copyright (C) 2022 Plato Mavropoulos
+"""
+
+import pefile
+
+from common.system import printer
+from common.text_ops import file_to_bytes
+
+# Check if input is a PE file
+def is_pe_file(in_file):
+    return bool(get_pe_file(in_file))
+
+# Get pefile object from PE file
+def get_pe_file(in_file, fast=True):
+    in_buffer = file_to_bytes(in_file)
+    
+    try:
+        # Analyze detected MZ > PE image buffer
+        pe_file = pefile.PE(data=in_buffer, fast_load=fast)
+    except:
+        pe_file = None
+    
+    return pe_file
+
+# Get PE info from pefile object
+def get_pe_info(pe_file):
+    try:
+        # When fast_load is used, IMAGE_DIRECTORY_ENTRY_RESOURCE must be parsed prior to FileInfo > StringTable
+        pe_file.parse_data_directories(directories=[pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_RESOURCE']])
+        
+        # Retrieve MZ > PE > FileInfo > StringTable information
+        pe_info = pe_file.FileInfo[0][0].StringTable[0].entries
+    except:
+        pe_info = {}
+    
+    return pe_info
+
+# Print PE info from pefile StringTable
+def show_pe_info(pe_info, padding=0):
+    if type(pe_info).__name__ == 'dict':
+        for title,value in pe_info.items():
+            info_title = title.decode('utf-8','ignore').strip()
+            info_value = value.decode('utf-8','ignore').strip()
+            if info_title and info_value:
+                printer(f'{info_title}: {info_value}', padding, new_line=False)