-Truepolyglot is polyglot file generator project.
-This means that the generated file is composed of several file formats. The same file can be opened as a ZIP file and as a PDF file for example.
-The idea of this project comes from work of Ange Albertini, International Journal of Proof-of-Concept or Get The Fuck Out and Julia Wolf that explain how we can build a polyglot file.
-Polyglot file can be fastidious to build, even more if you want to respect correctly file format. That's why I decided to build a tool to generate them.
-My main motivation was the technical challenge.
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Features and changelog
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Description
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Version
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Build a polyglot file valid as PDF and ZIP format and that can be opened with 7Zip and Windows Explorer
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POC
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Add a stream object in PDF part
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POC
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Polyglot file checked without warning with pdftocairo
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>= 1.0
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Polyglot file checked without warning with caradoc
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>= 1.0
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Rebuild PDF Xref Table
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>= 1.0
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Stream object with correct length header value
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>= 1.0
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Format "zippdf", file without offset after Zip data
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>= 1.1
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Polyglot file keep original PDF version
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>= 1.1.1
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Add "szippdf" format without offset before and after Zip data
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>= 1.2
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Fix /Length stream object value and PDF offset for szippdf format
-usage: truepolyglot format [options] output-file
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-Generate a polyglot file.
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-Formats availables:
-* pdfzip: Generate a file valid as PDF and ZIP. The format is closest to PDF.
-* zippdf: Generate a file valid as ZIP and PDF. The format is closest to ZIP.
-* szippdf: Generate a file valid as ZIP and PDF. The format is strictly a ZIP. Archive is modified.
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-positional arguments:
- {pdfzip,zippdf,szippdf}
- Output polyglot format
- output_file Output polyglot file path
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-optional arguments:
- -h, --help show this help message and exit
- --pdffile PDFFILE PDF input file
- --zipfile ZIPFILE ZIP input file
- --verbose {none,error,info,debug}
- Verbosity level (default: info)
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-TruePolyglot v1.3
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