Python 2 compatibility for exifHeader.

bin/lsb

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3.5
 #-*- coding: utf-8 -*-
 
 # Stéganô - Stéganô is a basic Python Steganography module.
@@ -78,8 +78,15 @@ if options.hide:
 elif options.reveal:
     secret = lsb.reveal(options.input_image_file)
     if options.secret_binary != "":
-        data = tools.base642binary(secret)
-        with open(options.secret_binary, "w") as f:
-            f.write(data)
+        data = tools.base642binary(bytes(secret, "utf-8"))
+        from PIL import Image
+        import io
+        file_like = io.BytesIO(data)
+        file_like.seek(0)
+        image = Image.open(file_like)
+        image.save(options.secret_binary)
+        """data = tools.base642binary(bytes(secret, "utf-8)"))
+        with open(options.secret_binary, "wb") as f:
+            f.write(data)"""
     else:
         print(secret)

stegano/exifHeader/exifHeader.py

@@ -20,8 +20,8 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>
 
 __author__ = "Cedric Bonhomme"
-__version__ = "$Revision: 0.2 $"
-__date__ = "$Date: 2016/05/17 $"
+__version__ = "$Revision: 0.2.1 $"
+__date__ = "$Date: 2016/05/26 $"
 __license__ = "GPLv3"
 
 from PIL import Image
@@ -36,10 +36,12 @@ def hide(input_image_file, img_enc, secret_message = None, secret_file = None):
 
     if secret_file != None:
         with open(secret_file, "r") as f:
-            secret_file_content = f.read()
-        text = compress(b64encode(bytes(secret_file_content, "utf-8")))
-    else:
+            secret_message = f.read()
+
+    try:
         text = compress(b64encode(bytes(secret_message, "utf-8")))
+    except:
+        text = compress(b64encode(secret_message))
 
     img = Image.open(input_image_file)
     if "exif" in img.info:

stegano/lsb/lsb.py

@@ -181,8 +181,8 @@ if __name__ == '__main__':
     elif options.reveal:
         secret = reveal(options.input_image_file)
         if options.secret_binary != "":
-            data = tools.base642binary(secret)
-            with open(options.secret_binary, "w") as f:
+            data = tools.base642binary(bytes(secret, "utf-8)"))
+            with open(options.secret_binary, "wb") as f:
                 f.write(data)
         else:
             print(secret)

stegano/tools.py

@@ -107,4 +107,9 @@ def base642binary(b64_fname):
     #b64_str = fin.read()
     #fin.close()
     # Decode base64 string to original binary sound object
-    return base64.b64decode(b64_fname)
+    missing_padding = 4 - len(b64_fname) % 4
+    if missing_padding:
+        b64_fname += b'='* missing_padding
+    return base64.decodestring(b64_fname)
+
+    #return base64.b64decode(b64_fname)