1# This tests Keycloak: it starts the service, creates a realm with an
2# OIDC client and a user, and simulates the user logging in to the
3# client using their Keycloak login.
4
5let
6 certs = import ./common/acme/server/snakeoil-certs.nix;
7 frontendUrl = "https://${certs.domain}/auth";
8 initialAdminPassword = "h4IhoJFnt2iQIR9";
9
10 keycloakTest = import ./make-test-python.nix (
11 { pkgs, databaseType, ... }:
12 {
13 name = "keycloak";
14 meta = with pkgs.lib.maintainers; {
15 maintainers = [ talyz ];
16 };
17
18 nodes = {
19 keycloak = { ... }: {
20
21 security.pki.certificateFiles = [
22 certs.ca.cert
23 ];
24
25 networking.extraHosts = ''
26 127.0.0.1 ${certs.domain}
27 '';
28
29 services.keycloak = {
30 enable = true;
31 inherit frontendUrl initialAdminPassword;
32 sslCertificate = certs.${certs.domain}.cert;
33 sslCertificateKey = certs.${certs.domain}.key;
34 database = {
35 type = databaseType;
36 username = "bogus";
37 passwordFile = pkgs.writeText "dbPassword" "wzf6vOCbPp6cqTH";
38 };
39 };
40
41 environment.systemPackages = with pkgs; [
42 xmlstarlet
43 libtidy
44 jq
45 ];
46 };
47 };
48
49 testScript =
50 let
51 client = {
52 clientId = "test-client";
53 name = "test-client";
54 redirectUris = [ "urn:ietf:wg:oauth:2.0:oob" ];
55 };
56
57 user = {
58 firstName = "Chuck";
59 lastName = "Testa";
60 username = "chuck.testa";
61 email = "chuck.testa@example.com";
62 };
63
64 password = "password1234";
65
66 realm = {
67 enabled = true;
68 realm = "test-realm";
69 clients = [ client ];
70 users = [(
71 user // {
72 enabled = true;
73 credentials = [{
74 type = "password";
75 temporary = false;
76 value = password;
77 }];
78 }
79 )];
80 };
81
82 realmDataJson = pkgs.writeText "realm-data.json" (builtins.toJSON realm);
83
84 jqCheckUserinfo = pkgs.writeText "check-userinfo.jq" ''
85 if {
86 "firstName": .given_name,
87 "lastName": .family_name,
88 "username": .preferred_username,
89 "email": .email
90 } != ${builtins.toJSON user} then
91 error("Wrong user info!")
92 else
93 empty
94 end
95 '';
96 in ''
97 keycloak.start()
98 keycloak.wait_for_unit("keycloak.service")
99 keycloak.wait_until_succeeds("curl -sSf ${frontendUrl}")
100
101
102 ### Realm Setup ###
103
104 # Get an admin interface access token
105 keycloak.succeed(
106 "curl -sSf -d 'client_id=admin-cli' -d 'username=admin' -d 'password=${initialAdminPassword}' -d 'grant_type=password' '${frontendUrl}/realms/master/protocol/openid-connect/token' | jq -r '\"Authorization: bearer \" + .access_token' >admin_auth_header"
107 )
108
109 # Publish the realm, including a test OIDC client and user
110 keycloak.succeed(
111 "curl -sSf -H @admin_auth_header -X POST -H 'Content-Type: application/json' -d @${realmDataJson} '${frontendUrl}/admin/realms/'"
112 )
113
114 # Generate and save the client secret. To do this we need
115 # Keycloak's internal id for the client.
116 keycloak.succeed(
117 "curl -sSf -H @admin_auth_header '${frontendUrl}/admin/realms/${realm.realm}/clients?clientId=${client.name}' | jq -r '.[].id' >client_id",
118 "curl -sSf -H @admin_auth_header -X POST '${frontendUrl}/admin/realms/${realm.realm}/clients/'$(<client_id)'/client-secret' | jq -r .value >client_secret",
119 )
120
121
122 ### Authentication Testing ###
123
124 # Start the login process by sending an initial request to the
125 # OIDC authentication endpoint, saving the returned page. Tidy
126 # up the HTML (XmlStarlet is picky) and extract the login form
127 # post url.
128 keycloak.succeed(
129 "curl -sSf -c cookie '${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",
130 "tidy -q -m login_form || true",
131 "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",
132 )
133
134 # Post the login form and save the response. Once again tidy up
135 # the HTML, then extract the authorization code.
136 keycloak.succeed(
137 "curl -sSf -L -b cookie -d 'username=${user.username}' -d 'password=${password}' -d 'credentialId=' \"$(<form_post_url)\" >auth_code_html",
138 "tidy -q -m auth_code_html || true",
139 "xml sel -T -t -m \"_:html/_:body/_:div/_:div/_:div/_:div/_:div/_:input[@id='code']\" -v @value auth_code_html >auth_code",
140 )
141
142 # Exchange the authorization code for an access token.
143 keycloak.succeed(
144 "curl -sSf -d grant_type=authorization_code -d code=$(<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"
145 )
146
147 # Use the access token on the OIDC userinfo endpoint and check
148 # that the returned user info matches what we initialized the
149 # realm with.
150 keycloak.succeed(
151 "curl -sSf -H @auth_header '${frontendUrl}/realms/${realm.realm}/protocol/openid-connect/userinfo' | jq -f ${jqCheckUserinfo}"
152 )
153 '';
154 }
155 );
156in
157{
158 postgres = keycloakTest { databaseType = "postgresql"; };
159 mysql = keycloakTest { databaseType = "mysql"; };
160}