nixpkgs/nixos/tests/keycloak.nix
2021-05-04 19:27:08 +02:00

146 lines
5.6 KiB
Nix

# This tests Keycloak: it starts the service, creates a realm with an
# OIDC client and a user, and simulates the user logging in to the
# client using their Keycloak login.
let
frontendUrl = "http://keycloak/auth";
initialAdminPassword = "h4IhoJFnt2iQIR9";
keycloakTest = import ./make-test-python.nix (
{ pkgs, databaseType, ... }:
{
name = "keycloak";
meta = with pkgs.lib.maintainers; {
maintainers = [ talyz ];
};
nodes = {
keycloak = { ... }: {
virtualisation.memorySize = 1024;
services.keycloak = {
enable = true;
inherit frontendUrl databaseType initialAdminPassword;
databaseUsername = "bogus";
databasePasswordFile = pkgs.writeText "dbPassword" "wzf6vOCbPp6cqTH";
};
environment.systemPackages = with pkgs; [
xmlstarlet
libtidy
jq
];
};
};
testScript =
let
client = {
clientId = "test-client";
name = "test-client";
redirectUris = [ "urn:ietf:wg:oauth:2.0:oob" ];
};
user = {
firstName = "Chuck";
lastName = "Testa";
username = "chuck.testa";
email = "chuck.testa@example.com";
};
password = "password1234";
realm = {
enabled = true;
realm = "test-realm";
clients = [ client ];
users = [(
user // {
enabled = true;
credentials = [{
type = "password";
temporary = false;
value = password;
}];
}
)];
};
realmDataJson = pkgs.writeText "realm-data.json" (builtins.toJSON realm);
jqCheckUserinfo = pkgs.writeText "check-userinfo.jq" ''
if {
"firstName": .given_name,
"lastName": .family_name,
"username": .preferred_username,
"email": .email
} != ${builtins.toJSON user} then
error("Wrong user info!")
else
empty
end
'';
in ''
keycloak.start()
keycloak.wait_for_unit("keycloak.service")
keycloak.wait_until_succeeds("curl -sSf ${frontendUrl}")
### Realm Setup ###
# Get an admin interface access token
keycloak.succeed(
"curl -sSf -d 'client_id=admin-cli' -d 'username=admin' -d 'password=${initialAdminPassword}' -d 'grant_type=password' '${frontendUrl}/realms/master/protocol/openid-connect/token' | jq -r '\"Authorization: bearer \" + .access_token' >admin_auth_header"
)
# Publish the realm, including a test OIDC client and user
keycloak.succeed(
"curl -sSf -H @admin_auth_header -X POST -H 'Content-Type: application/json' -d @${realmDataJson} '${frontendUrl}/admin/realms/'"
)
# Generate and save the client secret. To do this we need
# Keycloak's internal id for the client.
keycloak.succeed(
"curl -sSf -H @admin_auth_header '${frontendUrl}/admin/realms/${realm.realm}/clients?clientId=${client.name}' | jq -r '.[].id' >client_id",
"curl -sSf -H @admin_auth_header -X POST '${frontendUrl}/admin/realms/${realm.realm}/clients/'$(<client_id)'/client-secret' | jq -r .value >client_secret",
)
### Authentication Testing ###
# Start the login process by sending an initial request to the
# OIDC authentication endpoint, saving the returned page. Tidy
# up the HTML (XmlStarlet is picky) and extract the login form
# post url.
keycloak.succeed(
"curl -sSf -c cookie '${frontendUrl}/realms/${realm.realm}/protocol/openid-connect/auth?client_id=${client.name}&redirect_uri=urn%3Aietf%3Awg%3Aoauth%3A2.0%3Aoob&scope=openid+email&response_type=code&response_mode=query&nonce=qw4o89g3qqm' >login_form",
"tidy -q -m login_form || true",
"xml sel -T -t -m \"_:html/_:body/_:div/_:div/_:div/_:div/_:div/_:div/_:form[@id='kc-form-login']\" -v @action login_form >form_post_url",
)
# Post the login form and save the response. Once again tidy up
# the HTML, then extract the authorization code.
keycloak.succeed(
"curl -sSf -L -b cookie -d 'username=${user.username}' -d 'password=${password}' -d 'credentialId=' \"$(<form_post_url)\" >auth_code_html",
"tidy -q -m auth_code_html || true",
"xml sel -T -t -m \"_:html/_:body/_:div/_:div/_:div/_:div/_:div/_:input[@id='code']\" -v @value auth_code_html >auth_code",
)
# Exchange the authorization code for an access token.
keycloak.succeed(
"curl -sSf -d grant_type=authorization_code -d code=$(<auth_code) -d client_id=${client.name} -d client_secret=$(<client_secret) -d redirect_uri=urn%3Aietf%3Awg%3Aoauth%3A2.0%3Aoob '${frontendUrl}/realms/${realm.realm}/protocol/openid-connect/token' | jq -r '\"Authorization: bearer \" + .access_token' >auth_header"
)
# Use the access token on the OIDC userinfo endpoint and check
# that the returned user info matches what we initialized the
# realm with.
keycloak.succeed(
"curl -sSf -H @auth_header '${frontendUrl}/realms/${realm.realm}/protocol/openid-connect/userinfo' | jq -f ${jqCheckUserinfo}"
)
'';
}
);
in
{
postgres = keycloakTest { databaseType = "postgresql"; };
mysql = keycloakTest { databaseType = "mysql"; };
}