isabella232 / hashicorp-vault-sso

ForgeRock/HashiCorp Vault

HashiCorp vault offers a OIDC/OAuth 2.0 capable service. This functionality can be used to enable applications to participate in a federated single sign-on (SSO) relationship with HashiCorp vault.

Overview

Start Vault service

Documentation for installing the vault server can be found here.

Documentation for starting the vault server can be found here.

Commands for starting the server:

vault server -dev -dev-root-token-id root

export VAULT_ADDR=http://127.0.0.1:8200

export VAULT_OIDC_ADDR=http://127.0.0.1:8250

export VAULT_TOKEN=root

vault status

Create OIDC Client Application

Populate the configuration page with the following details in ForgeRock Access Management.

• Navigate to Applications -> OAuth 2.0 -> clients
• Click add client
• Client ID: Client ID to use with vault OIDC in next step.
• Client Secret: Client Secret to use with vault OIDC in next step.
• Redirection URIs: http://vault.com:8250/oidc/callback and http://vault.com:8200/ui/vault/auth/oidc/oidc/callback
• Scopes: openid
• Default Scopes: openid
• Click Create

Create Vault Policies

This is an example of setting up Vault policies. More information on Vault policies can be found here.

Create a file called manager.hcl

# Manage k/v secrets
path "/secret/*" {
    capabilities = ["create", "read", "update", "delete", "list"]
}

Create a file called reader.hcl

path "/secret/*" {
    capabilities = ["read", "list"]
}

Create the vault policies by executing the following commands.

vault policy write manager manager.hcl

vault policy write reader reader.hcl

vault policy list

Enable OIDC Auth Method

vault auth enable oidc

vault write auth/oidc/config \
  oidc_discovery_url="https://openam.example.com:8443/openam/oauth2" \
  oidc_client_id="forgerock" \
  oidc_client_secret="forgerock" \
  default_role="reader"

vault write auth/oidc/role/reader \
  allowed_redirect_uris="http://vault.com:8200/ui/vault/auth/oidc/oidc/callback" \
  allowed_redirect_uris="http://vault.com:8250/oidc/callback" \
  oidc_scopes="openid" \
  user_claim="sub" \
  policies="reader"

Test Vault Configuration

Navigate to http://vault.com:8200/ui/vault, select OIDC from the method dropdown, click sign in with OIDC provider and you will be able to login to vault using AM.