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GDPR Dump

A fork of machbarmacher/gdpr-dump

A drop-in replacement for mysqldump that optionally sanitizes DB fields for better GDPR conformity.

It is based on the ifsnop/mysqldump-php library, and can in principle dump any database that PDO supports.

How to use

There are presently two ways of manipulating data, the first is by manipulating the actual SQL queries that are run on the server (given by the gdpr-expressions path), and the second is by replacing column output before the dump is generated (given by the gdpr-replacements option).

The fields to obfuscate are passed via a --gdpr-expressions parameter. Note that we use uid expression to satisfy unique keys.

The same without obfuscation:

Using gdpr-replacements

This uses Faker for most of the column sanitization.

Presently, the tool searches for the "gdpr-replacements" option, either passed as a command line argument, or as part of a MySql options file.

The "gdpr-replacements" option expects a JSON string with the following format

Where formatterType is one of the following

• name - generates a name
• phoneNumber - generates a phone number
• userName - generates a random user name
• password - generates a random password
• email - generates a random email address
• date - generates a date
• longText - generates a sentence
• number - generates a number
• randomText - generates a sentence
• text - generates a paragraph
• uri - generates a URI
• clear - generates an empty string

This will replace the given column's value with Faker output.

You can also save replacements mapping to JSON file and use it with --gdpr-replacements-file option.

Use with Drush

See drush-gdpr-dumper

As this mimicks mysqldump, it can be use with drush, backup_migrate and any tool that uses mysqldump. Drush example:

MySqlOptions file

You are able to have your gdpr-expressions/replacement options set in a mysql options file. It is to appear under the [mysqldump] section.

So, for example, you might have /etc/my.cnf with the following content

Status and further development

Currently this is a proof of concept to spark a community process. Especially the --gdpr-expressions option is neither handy to write for humans, nor does it scale well. Here we might need better options.

Contributors notes

• Note that the project follows PSR-2 for formatting.

TODO

Class \druidfi\GdprDump\Util\Path class is copied from symfony/filesystem:5.4.0 package. When the package drupal/core-dev-pinned will allow symfony/filesystem newer then 5.4 we can remove this class and use symfony/filesystem instead.

Credits

• machbarmacher/gdpr-dump
• ifsnop/mysqldump-php
• Faker

Other information

This project can be found from the Packagist: https://packagist.org/packages/druidfi/gdpr-mysqldump