PKI-Script

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PKI-Script

This lib allow to perform steps related to Public Key Infrastructure described in this community article without manual intervention. Could be useful for scripting certificate generation.

Prerequisites

Make sure you have git and Docker desktop installed.

Installation

Clone/git pull the repo into any local directory

$ git clone https://github.com/lscalese/PKI-Script.git

Open the terminal in this directory and run:

$ docker-compose build

Run the IRIS container with your project:

$ docker-compose up -d

How to Test it

Configure the server instance

Open IRIS terminal:

docker exec -it pki-script_iris_1 irissession iris

Set sc = ##class(lscalese.pki.Server).MinimalServerConfig("$server_password$", "US", "CASrv", 365)
Do:'sc $SYSTEM.Status.DisplayError(sc)
; Sign all requested certificate from "client" hostname for 15 minutes : 
Do ##class(lscalese.pki.Server).SignAllRequestWhile("$server_password$",900,"caclient") ; could be started with Job command instead "Do"

SignAllRequestWhile method could be used for auto accept requested certificate from an hostname for a time period (default 15 minutes).
This is an helper to avoid manual processing on the server portal when executing scripts on client instance.

Configure the client instance

Open IRIS terminal:

docker exec -it pki-script_client_1 irissession iris

Set sc = ##class(lscalese.pki.Client).MinimalClientConfig("iris:52773","Contact Name")
Do:'sc $SYSTEM.Status.DisplayError(sc)

Request and get a new certificate

Set sc = ##class(lscalese.pki.Client).RequestCertificate("$private_key$","US",,##class(lscalese.pki.Client).GenerateFilename()) ; request certificate
Do:'sc $SYSTEM.Status.DisplayError(sc)
Set sc = ##class(lscalese.pki.Client).WaitSigning(,,.number) ; Wait Authority server validation...
Do:'sc $SYSTEM.Status.DisplayError(sc)
Set sc = ##class(lscalese.pki.Client).GetRequestedCertificate(number)
Do:'sc $SYSTEM.Status.DisplayError(sc)

Helper for mirroring setup

If you use KPI-Script to generate certificate in order to setup a mirror, basically we need to perform these steps on "master" instance :

Configure PKI Server.
Configure PKI Client.
Request a certificate.
Wait validation.
Getting certificate.
Auto accept certificates requested by futur mirror instances.

These steps could be resovled with this line :

Set sc = ##class(lscalese.pki.Utils).MirrorMaster("$server_password$", "$private_key$", "Contact Person", $lb("US",,,,,$Piece($system,":",1)), 365,"caclient")

Arguments :

PKI Server Password.
Local certificate private key.
Name of the contact person.
Listbuild with certifcate attributes (position 1 is the country code and the 6th the common name)
Validity in day.
List of hostname (other mirror members) to auto accept requested certificates for a period of 1 hour (star "*" could be used to accept all).

On other mirror instances, we need to :

Configure PKI Client.
Request a certificate.
Wait validation.
Getting certificate.

Set sc = ##class(lscalese.pki.Utils).MirrorBackup("iris:52773", "$private_key$", "Contact Person", $lb("US",,,,,$Piece($system,":",1)) )

Arguments :

PKI Server hostname:port.
Local certificate private key.
Name of the contact person.
Listbuild with certifcate attributes (position 1 is the country code and the 6th the common name).

How to start coding

This repository is ready to code in VSCode with ObjectScript plugin. Install VSCode, Docker and ObjectScript plugin and open the folder in VSCode. Open /src/cls/PackageSample/ObjectScript.cls class and try to make changes - it will be compiled in running IRIS docker container.

Feel free to delete PackageSample folder and place your ObjectScript classes in a form /src/Package/Classname.cls Read more about folder setup for InterSystems ObjectScript

The script in Installer.cls will import everything you place under /src into IRIS.

What's inside the repository

Dockerfile

The simplest dockerfile which starts IRIS and imports code from /src folder into it. Use the related docker-compose.yml to easily setup additional parametes like port number and where you map keys and host folders.