nextcloud,auth: migrate to auth module

This commit is contained in:
Alexander Tomokhov
2025-04-17 14:45:46 +04:00
parent 043c192fb7
commit eb5074ba82
2 changed files with 39 additions and 111 deletions

View File

@@ -17,80 +17,19 @@ let
occ = "${config.services.nextcloud.occ}/bin/nextcloud-occ";
nextcloud-setup-group =
config.systemd.services.nextcloud-setup.serviceConfig.Group;
linuxUserOfService = config.services.phpfpm.pools.nextcloud.user;
linuxGroupOfService = config.services.phpfpm.pools.nextcloud.group;
admins-group = "sp.nextcloud.admins";
users-group = "sp.nextcloud.users";
wildcard-group = "sp.nextcloud.*";
oauthClientID = "nextcloud";
oauth-client-id = "nextcloud";
kanidm-service-account-name = "sp.${oauth-client-id}.service-account";
kanidm-service-account-token-name = "${oauth-client-id}-service-account-token";
kanidm-service-account-token-fp =
"/run/keys/${oauth-client-id}/kanidm-service-account-token"; # FIXME sync with auth module
# TODO rewrite to tmpfiles.d, but make sure the group exists first!
kanidmExecStartPreScriptRoot = pkgs.writeShellScript
"${oauth-client-id}-kanidm-ExecStartPre-root-script.sh"
''
# set-group-ID bit allows for kanidm user to create files,
mkdir -p -v --mode=u+rwx,g+rs,g-w,o-rwx /run/keys/${oauth-client-id}
chown kanidm:${nextcloud-setup-group} /run/keys/${oauth-client-id}
'';
kanidm-oauth-client-secret-fp =
"/run/keys/${oauth-client-id}/kanidm-oauth-client-secret";
kanidmExecStartPreScript = pkgs.writeShellScript
"${oauth-client-id}-kanidm-ExecStartPre-script.sh" ''
[ -f "${kanidm-oauth-client-secret-fp}" ] || \
"${lib.getExe pkgs.openssl}" rand -base64 -out "${kanidm-oauth-client-secret-fp}" 32
'';
kanidmExecStartPostScript = pkgs.writeShellScript
"${oauth-client-id}-kanidm-ExecStartPost-script.sh"
''
export HOME=$RUNTIME_DIRECTORY/client_home
readonly KANIDM="${pkgs.kanidm}/bin/kanidm"
adminsGroup = "sp.${oauthClientID}.admins";
usersGroup = "sp.${oauthClientID}.users";
wildcardGroup = "sp.${oauthClientID}.*";
# get Kanidm service account for mailserver
KANIDM_SERVICE_ACCOUNT="$($KANIDM service-account list --name idm_admin | grep -E "^name: ${kanidm-service-account-name}$")"
echo KANIDM_SERVICE_ACCOUNT: "$KANIDM_SERVICE_ACCOUNT"
if [ -n "$KANIDM_SERVICE_ACCOUNT" ]
then
echo "kanidm service account \"${kanidm-service-account-name}\" is found"
else
echo "kanidm service account \"${kanidm-service-account-name}\" is not found"
echo "creating new kanidm service account \"${kanidm-service-account-name}\""
if $KANIDM service-account create --name idm_admin "${kanidm-service-account-name}" "${kanidm-service-account-name}" idm_admin
then
echo "kanidm service account \"${kanidm-service-account-name}\" created"
else
echo "error: cannot create kanidm service account \"${kanidm-service-account-name}\""
exit 1
fi
fi
# add Kanidm service account to `idm_mail_servers` group
$KANIDM group add-members idm_mail_servers "${kanidm-service-account-name}"
# create a new read-only token for kanidm
if ! KANIDM_SERVICE_ACCOUNT_TOKEN_JSON="$($KANIDM service-account api-token generate --name idm_admin "${kanidm-service-account-name}" "${kanidm-service-account-token-name}" --output json)"
then
echo "error: kanidm CLI returns an error when trying to generate service-account api-token"
exit 1
fi
if ! KANIDM_SERVICE_ACCOUNT_TOKEN="$(echo "$KANIDM_SERVICE_ACCOUNT_TOKEN_JSON" | ${lib.getExe pkgs.jq} -r .result)"
then
echo "error: cannot get service-account API token from JSON"
exit 1
fi
if ! install --mode=640 \
<(printf "%s" "$KANIDM_SERVICE_ACCOUNT_TOKEN") \
${kanidm-service-account-token-fp}
then
echo "error: cannot write token to \"${kanidm-service-account-token-fp}\""
exit 1
fi
'';
serviceAccountTokenFP =
auth-passthru.mkServiceAccountTokenFP linuxUserOfService;
oauthClientSecretFP =
auth-passthru.mkOAuth2ClientSecretFP linuxUserOfService;
in
{
options.selfprivacy.modules.nextcloud = with lib; {
@@ -180,7 +119,7 @@ in
# for ExecStartPost script to have access to /run/keys/*
users.groups.keys.members =
lib.mkIf is-auth-enabled [ nextcloud-setup-group ];
lib.mkIf is-auth-enabled [ linuxUserOfService ];
# not needed, due to turnOffCertCheck=1 in used_ldap
# users.groups.${config.security.acme.certs.${domain}.group}.members =
@@ -193,13 +132,6 @@ in
serviceConfig.Slice = "nextcloud.slice";
serviceConfig.Group = config.services.phpfpm.pools.nextcloud.group;
};
kanidm.serviceConfig.ExecStartPre = lib.mkIf is-auth-enabled
(lib.mkAfter [
("-+" + kanidmExecStartPreScriptRoot)
("-" + kanidmExecStartPreScript)
]);
kanidm.serviceConfig.ExecStartPost = lib.mkIf is-auth-enabled
(lib.mkAfter [ ("-" + kanidmExecStartPostScript) ]);
nextcloud-cron.serviceConfig.Slice = "nextcloud.slice";
nextcloud-update-db.serviceConfig.Slice = "nextcloud.slice";
nextcloud-update-plugins.serviceConfig.Slice = "nextcloud.slice";
@@ -328,27 +260,27 @@ in
${occ} ldap:set-config "$CONFIG_ID" 'ldapHost' '${ldap_scheme_and_host}'
${occ} ldap:set-config "$CONFIG_ID" 'ldapPort' '${toString auth-passthru.ldap-port}'
${occ} ldap:set-config "$CONFIG_ID" 'ldapAgentName' 'dn=token'
${occ} ldap:set-config "$CONFIG_ID" 'ldapAgentPassword' "$(<${kanidm-service-account-token-fp})"
${occ} ldap:set-config "$CONFIG_ID" 'ldapAgentPassword' "$(<${serviceAccountTokenFP})"
${occ} ldap:set-config "$CONFIG_ID" 'ldapBase' '${auth-passthru.ldap-base-dn}'
${occ} ldap:set-config "$CONFIG_ID" 'ldapBaseGroups' '${auth-passthru.ldap-base-dn}'
${occ} ldap:set-config "$CONFIG_ID" 'ldapBaseUsers' '${auth-passthru.ldap-base-dn}'
${occ} ldap:set-config "$CONFIG_ID" 'ldapEmailAttribute' 'mail'
${occ} ldap:set-config "$CONFIG_ID" 'ldapGroupFilter' \
'(&(class=group)(${wildcard-group})'
'(&(class=group)(${wildcardGroup})'
${occ} ldap:set-config "$CONFIG_ID" 'ldapGroupFilterGroups' \
'(&(class=group)(${wildcard-group}))'
'(&(class=group)(${wildcardGroup}))'
# ${occ} ldap:set-config "$CONFIG_ID" 'ldapGroupFilterObjectclass' \
# 'groupOfUniqueNames'
# ${occ} ldap:set-config "$CONFIG_ID" 'ldapGroupMemberAssocAttr' \
# 'uniqueMember'
${occ} ldap:set-config "$CONFIG_ID" 'ldapLoginFilter' \
'(&(class=person)(memberof=${users-group})(uid=%uid))'
'(&(class=person)(memberof=${usersGroup})(uid=%uid))'
${occ} ldap:set-config "$CONFIG_ID" 'ldapLoginFilterAttributes' \
'uid'
${occ} ldap:set-config "$CONFIG_ID" 'ldapUserDisplayName' \
'displayname'
${occ} ldap:set-config "$CONFIG_ID" 'ldapUserFilter' \
'(&(class=person)(memberof=${users-group})(name=%s))'
'(&(class=person)(memberof=${usersGroup})(name=%s))'
${occ} ldap:set-config "$CONFIG_ID" 'ldapUserFilterMode' \
'1'
${occ} ldap:set-config "$CONFIG_ID" 'ldapUserFilterObjectclass' \
@@ -375,8 +307,8 @@ in
${occ} app:enable user_oidc
${occ} user_oidc:provider ${auth-passthru.oauth2-provider-name} \
--clientid="${oauth-client-id}" \
--clientsecret="$(<${kanidm-oauth-client-secret-fp})" \
--clientid="${oauthClientID}" \
--clientsecret="$(<${oauthClientSecretFP})" \
--discoveryuri="${auth-passthru.oauth2-discovery-url "nextcloud"}" \
--unique-uid=0 \
--scope="email openid profile" \
@@ -386,30 +318,25 @@ in
--group-provisioning=1 \
-vvv
'';
# TODO consider passing oauth consumer service to auth module instead
after = [ auth-passthru.oauth2-systemd-service ];
requires = [ auth-passthru.oauth2-systemd-service ];
};
services.kanidm.provision = {
groups = {
"${admins-group}".members = [ auth-passthru.admins-group ];
"${users-group}".members =
[ admins-group auth-passthru.full-users-group ];
};
systems.oauth2.${oauth-client-id} = {
displayName = "Nextcloud";
originUrl = "https://${cfg.subdomain}.${domain}/apps/user_oidc/code";
originLanding = "https://${cfg.subdomain}.${domain}/";
basicSecretFile = kanidm-oauth-client-secret-fp;
# when true, name is passed to a service instead of name@domain
preferShortUsername = true;
allowInsecureClientDisablePkce = false;
scopeMaps.${users-group} = [ "email" "openid" "profile" ];
removeOrphanedClaimMaps = true;
claimMaps.groups = {
joinType = "array";
valuesByGroup.${admins-group} = [ "admin" ];
};
selfprivacy.auth.clients."${oauthClientID}" = {
inherit adminsGroup usersGroup;
imageFile = ./icon.svg;
displayName = "Nextcloud";
subdomain = cfg.subdomain;
isTokenNeeded = true;
originUrl = "https://${cfg.subdomain}.${domain}/apps/user_oidc/code";
originLanding = "https://${cfg.subdomain}.${domain}/";
useShortPreferredUsername = true;
clientSystemdUnits =
[ "nextcloud-setup.service" "phpfpm-nextcloud.service" ];
enablePkce = true;
linuxUserOfClient = linuxUserOfService;
linuxGroupOfClient = linuxGroupOfService;
scopeMaps.${usersGroup} = [ "email" "openid" "profile" ];
claimMaps.groups = {
joinType = "array";
valuesByGroup.${adminsGroup} = [ "admin" ];
};
};
})