2023-02-12 06:28:00 +01:00
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{ stdenv
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, pkgs
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, utils
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}:
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{ name
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, serviceName
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, domain
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2023-02-19 22:36:18 +01:00
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, keycloakSubdomain ? "keycloak"
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, keycloakDomain ? domain
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2023-02-12 06:28:00 +01:00
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, realm
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, allowed_roles ? []
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, ingress
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, egress
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, metricsPort
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, keys
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, distribution
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, KeycloakService
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, KeycloakCliService
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, debug ? true
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}:
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with builtins;
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with pkgs.lib.lists;
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with pkgs.lib.strings;
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rec {
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inherit name;
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pkg =
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{ KeycloakService
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, KeycloakCliService
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}:
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let
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formatted_allowed_roles = builtins.toJSON (concatStringsSep ", " allowed_roles);
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config = pkgs.writeText "${serviceName}.cfg" (''
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provider = "keycloak-oidc"
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provider_display_name="Keycloak"
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http_address = "${ingress}"
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upstreams = [ "${concatStringsSep " " egress}" ]
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metrics_address = "127.0.0.1:${toString metricsPort}"
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client_id = "${serviceName}"
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scope="openid"
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redirect_url = "https://${serviceName}.${domain}/oauth2/callback"
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2023-02-19 22:36:18 +01:00
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oidc_issuer_url = "https://${keycloakSubdomain}.${keycloakDomain}/realms/${realm}"
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2023-02-12 06:28:00 +01:00
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email_domains = [ "*" ]
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allowed_roles = ${formatted_allowed_roles}
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# skip_auth_routes = [ "^/api" ]
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reverse_proxy = "true"
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# trusted_ips = "@"
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skip_provider_button = "true"
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pass_authorization_header = true
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pass_access_token = true
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pass_user_headers = true
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set_authorization_header = true
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set_xauthrequest = true
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'' + (if !debug then "" else ''
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auth_logging = "true"
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request_logging = "true"
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''));
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exec = pkgs.writeShellApplication {
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name = "oauth2proxy-wrapper";
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runtimeInputs = with pkgs; [curl coreutils];
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text = ''
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while ! curl --silent ${KeycloakService.hostname}:${builtins.toString KeycloakService.listenPort} > /dev/null; do
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echo "Waiting for port ${builtins.toString KeycloakService.listenPort} to open..."
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sleep 10
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done
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sleep 2
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'';
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};
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oauth2-proxy =
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let
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version = "f93166229fe9b57f7d54fb0a9c42939f3f30340f";
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src = pkgs.fetchFromGitHub {
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owner = "ibizaman";
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repo = "oauth2-proxy";
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rev = version;
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sha256 = "sha256-RI34N+YmUqAanuJOGUA+rUTS1TpUoy8rw6EFGeLh5L0=";
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# sha256 = pkgs.lib.fakeSha256;
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};
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in
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(pkgs.callPackage "${pkgs.path}/pkgs/tools/backup/kopia" {
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buildGoModule = args: pkgs.buildGo118Module (args // {
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vendorSha256 = "sha256-2WUd2RxeOal0lpp/TuGSyfP1ppvG/Vd3bgsSsNO8ejo=";
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inherit src version;
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});
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});
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oauth2proxyBin = "${oauth2-proxy}/bin/oauth2-proxy";
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in utils.systemd.mkService rec {
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name = "oauth2proxy-${serviceName}";
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content = ''
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[Unit]
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Description=Oauth2 proxy for ${serviceName}
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After=${KeycloakService.systemdUnitFile}
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Wants=${KeycloakService.systemdUnitFile}
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After=${utils.keyServiceDependencies keys}
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Wants=${utils.keyServiceDependencies keys}
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[Service]
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ExecStartPre=${exec}/bin/oauth2proxy-wrapper
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TimeoutStartSec=8m
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ExecStart=${oauth2proxyBin} --config ${config}
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DynamicUser=true
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RuntimeDirectory=oauth2proxy-${serviceName}
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${utils.keyEnvironmentFiles keys}
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CapabilityBoundingSet=
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AmbientCapabilities=
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PrivateUsers=yes
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NoNewPrivileges=yes
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ProtectSystem=strict
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ProtectHome=yes
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PrivateTmp=yes
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PrivateDevices=yes
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ProtectHostname=yes
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ProtectClock=yes
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ProtectKernelTunables=yes
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ProtectKernelModules=yes
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ProtectKernelLogs=yes
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ProtectControlGroups=yes
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RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
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RestrictNamespaces=yes
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LockPersonality=yes
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MemoryDenyWriteExecute=yes
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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RemoveIPC=yes
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SystemCallFilter=@system-service
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SystemCallFilter=~@privileged @resources
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SystemCallArchitectures=native
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[Install]
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WantedBy=multi-user.target
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'';
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};
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dependsOn = {
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inherit KeycloakService KeycloakCliService;
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};
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type = "systemd-unit";
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}
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