postyou/contao-pdf-metadata

Extends the contao file manager to clean up the metadata of PDF files for privacy reasons

2.0.0 2023-03-08 09:33 UTC

Requires

• php: ^8.0
• contao/core-bundle: ^4.13
• psr/log: >=1.1
• symfony/config: ^5.4 || ^6.0
• symfony/console: ^5.4 || ^6.0
• symfony/dependency-injection: ^5.4 || ^6.0
• symfony/filesystem: ^5.4 || ^6.0
• symfony/http-kernel: ^5.4 || ^6.0
• symfony/process: ^5.4 || ^6.0

Requires (Dev)

• contao/manager-plugin: ^2.0
• friendsofphp/php-cs-fixer: ^3.12

Conflicts

• contao/manager-plugin: <2.0 || >=3.0

LGPL-3.0+

• POSTYOU Digital- & Filmagentur

• exiftool
• gdpr
• qpdf

README

Extends the contao file manager to clean up the metadata of PDF files for privacy reasons.

The following two commands are executed in the prozess:

$ exiftool -all= -Author='' -tagsfromfile @ -title -keywords -subject -description file.pdf -o intermediate.pdf
$ qpdf --linearize intermediate.pdf file.pdf

Requirements

• ExifTool installed on the system
• QPDF installed on the system

Configuration

# config/config.yaml
contao_pdf_metadata:
    exiftool:

        # Path to the exiftool binary.
        path:                 /usr/bin/exiftool

        # Environment variables when running exiftool.
        env:

            # Prototype
            name:                 ~
    qpdf:

        # Path to the qpdf binary.
        path:                 /usr/bin/qpdf

        # Environment variables when running qpdf.
        env:

            # Prototype
            name:                 ~

    # Clean up the metadata of PDF files immediately after uploading.
    cleanup_on_upload:    false

    # Overwrites metadata fields in the cleaned PDF file.
    metadata:
        author:               ''

Console Command

To clean up the metadata of PDF files in the files/ directory, you can use the following command:

$ vendor/bin/contao-console pdf-metadata:clean [<path>]