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This repository is part of the Open Banking Tool kit. If you just landed to that repository looking for our tool kit, we recommend having a first read to https://github.com/OpenBankingToolkit/openbanking-toolkit

Open Banking Reference Implementation - Backend

How to install the backend development environment

Setting up Maven

Download and install Maven settings.xml file by running the command below and substituting in your backstage username and password.

curl -u $BACKSTAGE_USERNAME http://maven.forgerock.org/repo/private-releases/settings.xml > ~/.m2/settings.xml

Compile

Docker set up

You'll need to log in to the codefresh docker registry.

You'll need an API which you can get by following https://codefresh.io/docs/docs/docker-registries/codefresh-registry/#generate-cfcr-login-token
Login by following https://codefresh.io/docs/docs/docker-registries/codefresh-registry/#generate-cfcr-login-token

Building project and docker images

Just run mvn install. This will build the images but if you want to skip them, run mvn install -Ddockerfile.skip

Setup the host files

You will need to create some new hostnames for the application.

Ensure your hosts file looks like hosts-local. Use Gas mask for managing your hostnames.

SSL: Adding self-signed CA for dev environment

Follow the steps for all the certificates in the folder certificates/.

Install certificate in our truststore

Click on it and your mac os will show you the system config view.
Add it and mark it as trusted, as follow:

Install the CA in FireFox truststore

Firefox does not read the system truststore but instead implements it's own. Therefore, you need to add the certificates to firefox trusted certificates.

Find the certificate sections in Privacy & Security

Import the certificates. You should then have the certificates in the trusted CA list, as follow:

Install the unlimited strength file extension

You will need to install this extension as described in https://stackoverflow.com/questions/6481627/java-security-illegal-key-size-or-default-parameters

Setup the JWKMS' Trust Store

The jwkms (Json Web Key Management Services) micro service uses a trust store from which it obtains two CA certificates, obri-external-ca and obri-internal-ca. These are used by the jwkms to;

Sign the transport and signing certificates issued to a Third Party Provider application when it is registered with the Open Banking Directory. These certificates will be signed by the obri-external-ca certificate.
Sign the transport and signing certificates issued to each micro service for the purpose of signing payloads etc. For example, the Open Banking Directory will be issued a signing certificate that is signed by the obri-external-ca certificate. This certificate will be used to sign SSAs issued by the directory.

The obri-external-ca will appear as the issuer of certs described above.
```
Issuer Name
C (Country):	UK
ST (County):	Avon
L (Locality):	Bristol
O (Organisation):	ForgeRock
OU (Organisational Unit):	forgerock.financial
CN (Common Name):	obri-external-ca
```
Sign the Mutual Transport Layer Security certificates used by the micro services to communicate securely between each other. The subject of a presented MTLS certificate will also identify the micro service from which a call has been made.

These internal certs will have the following issuer;
```
Issuer Name
C (Country):	UK
ST (County):	Avon
L (Locality):	Bristol
O (Organisation):	ForgeRock
OU (Organisational Unit):	forgerock.financial
CN (Common Name):	obri-internal-ca
```

To make these keys available to the jwkms you will need to;

sudo mkdir -p /opt/openbanking/jwkms/`
sudo chown -R $USER /opt/openbanking
cp keystore/jwkstore/jwksstore.pfx /opt/openbanking/jwkms/jwksstore.pfx

How to run the development environment

Docker

To set up your source file ready to build an AM Docker image you will need to follow the instructions found here; forgerock-am readme

GCP credentials (only FR team members)

The credentials are only accessible for forgerock team members, simulated default value for GCP credentials are set for customers. The test Get account statement file will return 404 - not found when simulated default value is used.

In the docker-compose file the service rs-store currently use a volume to access the GCP credentials set in the environment. Setting the GCP credentials in local to use it in docker-compose rs-store service.

Copy the secret file ob-gcr.json from ob-ci-secrets repository to your path.
Create the env variable GCP_CREDENTIALS in your local system pointed to ob-gcr.json.

export GCP_CREDENTIALS=path/to/ob-gcr.json

Run with Docker compose

docker-compose up

Run with Docker compose profiles

Compose Profiles

We use the directive profiles to select the enabled services to run.Compose profiles documentation

Specific compose (docker-compose-profiles.yml) file to use the profiles.

Requirements to use compose profiles

Compose version >= 1.28
MacOs users: upgrade docker desktop to 3.2.1 or later or used brew to install/upgrade it.

Linux users Install docs:

Alternatives

  pip install docker-compose

  curl -L "https://github.com/docker/compose/releases/download/1.22.0/docker-compose-$(uname -s)-$(uname -m)" > ./docker-compose
  sudo mv ./docker-compose /usr/bin/docker-compose
  sudo chmod +x /usr/bin/docker-compose

Run docker compose profiles

These services without profile will be run always, we treated them like as mandatory services

Current Profiles:

all: Runs all profile platform services

docker-compose -f docker-compose-profiles.yml --profile all up

metrics: Runs mandatory platform services and metrics profile services

docker-compose -f docker-compose-profiles.yml --profile metrics up

analytics: Runs mandatory platform services and analytics profile services
```
docker-compose -f docker-compose-profiles.yml --profile analytics up
```

Kubernetes

Start Docker & Kubernetes
Start run configurations in the following order
- "Run Mongo"
- "K8s proxy"
- backstage/Openbanking-config
- backstage/Openbanking-jwkms
- Directory/Openbanking-directory From this point, the order doesn't matter anymore

You don't need to run all the microservices all the time. Depending on what you are working on, you can choose to enable a subset of the microservices.

Re-generate the self-signed certificate

DO NOT RE-GENERATE THE SELF-SIGNED CERTIFICATE UNLESS YOU REALLY NEED TO.

If for a reason, you need to re-generate all the self-signed certificate (a new micro-services that needs a key for ex), you should use the keystore/Makefile

It's a usual makefile which will help you creating the keys. A short usage would be to use the 'all' command as follow

make all

OpenBankingToolkit / openbanking-reference-implementation