autofirma-docker: Image with Firefox and AutoFirma

Requirements

• Ubuntu Desktop 20.04
• docker and python3

Initial Setup

Install dependencies and build autofirma Docker image:

sudo apt-get install docker.io python3
make

Export client certificate from host Firefox to ~/Desktop/cert.pfx (password protected):

• Visit: about:preferences#privacy
• [View Certificates...] > [Your Certificates]
• Select certificate.
• Click on [Backup...]
• Save to: ~/Desktop/cert.pfx
• Choose password.
• Click on [OK].

Run AutoFirma-enabled Firefox using Docker image:

./firefox-autofirma setup ~/Desktop/cert.pfx

Import client certificate:

• Visit: about:preferences#privacy
• [View Certificates...] > [Your Certificates] > [Import...]
• Select: /home/cert.pfx
• Enter password.
• Click on [OK].

Test AutoFirma using test page:

• Click on [Firmar].
• Choose certificate using AutoFirma.
• Success Message: Se ha realizado la firma.

Run AutoFirma-enabled Firefox

After the initial setup, the following command can be used to launch the Autofirma-enabled Firefox:

./firefox-autofirma run [URL]

Notes:

• Firefox will be executed in a container as the current user.
• Firefox profiles are persisted in the ~/.config/firefox-autofirma/home host directory.