LibreSign

Nextcloud app to sign PDF documents

Setup

Java and JSignPDF

Add the follow to Nextcloud PHP container Dockerfile

# Install Java and JsignPDF
RUN mkdir -p /usr/share/man/man1
RUN apt-get install -y default-jre
RUN curl -OL https://sourceforge.net/projects/jsignpdf/files/stable/JSignPdf%201.6.4/JSignPdf-1.6.4.zip \
    && unzip JSignPdf-1.6.4.zip -d /opt \
    && rm JSignPdf-1.6.4.zip

With CFSS server

Don't is necessary if you use a docker setup

Up a cfssl server using this code:

https://github.com/cloudflare/cfssl

The URL of server you will use in Admin settings

With docker-compose

• put the file /cfssl/entrypoint.sh in cfssl folder
• Add the volume ./cfssl:/cfssl in Nextcloud service
• Create a new server using the following code:

  cfssl:
    image: cfssl/cfssl
    volumes:
      - ./cfssl:/cfssl
    working_dir: /cfssl
    entrypoint: /bin/bash
    command:
      - /cfssl/entrypoint.sh

Admin settings

Go to Settings > Security and fill the necessary values for root certificate:

CN: CommonName
OU: OrganizationalUnit
O: Organization
C: CountryName
API: http://cfssl:8888/api/v1/cfssl/
Config path: /cfssl/

Go to Settings > Basic Settings and configure email settings. Is mandatory.

API documentation

API