Add zipany format. v1.6

PolyglotFile/__init__.py

@@ -5,4 +5,5 @@ from .polyglotpdfzip import PolyglotPdfZip
 from .polyglotpdfany import PolyglotPdfAny
 from .polyglotzippdf import PolyglotZipPdf
 from .polyglotszippdf import PolyglotSZipPdf
+from .polyglotzipany import PolyglotZipAny
 

PolyglotFile/polyglotpdfany.py

@@ -34,8 +34,6 @@ class PolyglotPdfAny():
             with open(payload2filename, "rb") as f:
                 self.payload2 = f.read()
 
-        self.buffer = bytearray()
-
     def generate(self):
         k2stream = self.payload1
         if len(k2stream) > 0:

PolyglotFile/polyglotszippdf.py

@@ -81,6 +81,8 @@ class PolyglotSZipPdf(PolyglotPdfZip):
         k2_stream_offset = new_pdf.get_first_stream_offset()
 
         new_pdf.file_offset = offset
+        if self.acrobat_compatibility:
+            new_pdf.file_offset = new_pdf.file_offset + 1
         pdf_buffer = new_pdf.get_build_buffer()
         j2 = pdf_buffer[k2_stream_offset + size_k2_stream:]
 

PolyglotFile/polyglotzipany.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+
+import logging
+
+'''
+    |-------------------------------|    -
+    |---------- Payload 1 ----------K1   | J1
+    |-------------------------------|    -
+    |---- ZIP Local File Header ----K2   |
+    |-------------------------------|    -
+    |---------- Payload 2-----------K3   | J2
+    |-------------------------------|    -
+    |---- ZIP Central Directory ----K4   |
+    |-------------------------------|    |
+    |--- End of Central Directory --K5   |
+    |-------------------------------|    |
+'''
+
+
+class PolyglotZipAny():
+    from ZipFileTransformer import Zip
+
+    def __init__(self, Zip, payload1filename, payload2filename):
+        self.buffer = bytearray()
+        self.zip = Zip
+        self.payload1 = bytearray()
+        if payload1filename is not None:
+            with open(payload1filename, "rb") as f:
+                self.payload1 = f.read()
+        self.payload2 = bytearray()
+        if payload2filename is not None:
+            with open(payload2filename, "rb") as f:
+                self.payload2 = f.read()
+
+    def generate(self):
+        self.zip.add_data_to_file(self.payload1, self.payload2, True)
+        self.buffer = self.zip.buffer
+
+    def write(self, filename):
+        fd = open(filename, "wb")
+        fd.write(self.buffer)
+        fd.close()

truepolyglot

@@ -10,6 +10,8 @@ from PolyglotFile import PolyglotZipPdf
 from PolyglotFile import PolyglotPdfZip
 from PolyglotFile import PolyglotSZipPdf
 from PolyglotFile import PolyglotPdfAny
+from PolyglotFile import PolyglotZipAny
+
 
 
 def main():
@@ -19,13 +21,18 @@ def main():
                        '* zippdf: Generate a file valid as ZIP and PDF.' +
                        ' The format is closest to ZIP.\n' +
                        '* szippdf: Generate a file valid as ZIP and PDF.' +
-                       ' The format is strictly a ZIP.' +
+                       ' The format is strictly a ZIP.\n' +
                        '           Archive is modified.\n' +
                        '* pdfany: Generate a valid PDF file with payload1' +
-                       ' file content as first object or/and payload2 file' +
+                       ' file content as first object\n' +
-                       ' content as last oject.\n')
+                       '          or/and payload2 file' +
+                       ' content as last oject.\n' +
+                       '* zipany: Generate a valid ZIP file with payload1' +
+                       ' file content at start of file\n' +
+                       '          or/and payload2 file content beetween' +
+                       ' LFH and CD.\n')
     usage_str = '%(prog)s format [options] output-file'
-    epilog_str = 'TruePolyglot v1.5.2'
+    epilog_str = 'TruePolyglot v1.6'
     frm = argparse.RawTextHelpFormatter
     parser = argparse.ArgumentParser(description=description_str,
                                      epilog=epilog_str,
@@ -34,7 +41,8 @@ def main():
     parser.add_argument('format', nargs='+', choices=["pdfzip",
                                                       "zippdf",
                                                       "szippdf",
-                                                      "pdfany"],
+                                                      "pdfany",
+                                                      "zipany"],
                         help='Output polyglot format')
     parser.add_argument('--pdffile', dest='pdffile',
                         help='PDF input file')
@@ -91,6 +99,10 @@ def main():
     if args.format[0] == "pdfany":
         p = Pdf(args.pdffile)
         a = PolyglotPdfAny(p, args.payload1file, args.payload2file)
+    if args.format[0] == "zipany":
+        z = Zip(args.zipfile)
+        a = PolyglotZipAny(z, args.payload1file, args.payload2file)
+
 
     a.generate()
     a.write(args.output_file[0])