modules/private/tasks/default.nix

   1 { lib, pkgs, config,  ... }:
   2 let
   3   cfg = config.myServices.tasks;
   4   server_vardir = config.services.taskserver.dataDir;
   5   fqdn = "task.immae.eu";
   6   user = config.services.taskserver.user;
   7   env = config.myEnv.tools.task;
   8   group = config.services.taskserver.group;
   9   taskserver-user-certs = pkgs.runCommand "taskserver-user-certs" {} ''
  10     mkdir -p $out/bin
  11     cat > $out/bin/taskserver-user-certs <<"EOF"
  12     #!/usr/bin/env bash
  13
  14     user=$1
  15
  16     silent_certtool() {
  17       if ! output="$("${pkgs.gnutls.bin}/bin/certtool" "$@" 2>&1)"; then
  18         echo "GNUTLS certtool invocation failed with output:" >&2
  19         echo "$output" >&2
  20       fi
  21     }
  22
  23     silent_certtool -p \
  24       --bits 4096 \
  25       --outfile "${server_vardir}/userkeys/$user.key.pem"
  26     ${pkgs.gnused}/bin/sed -i -n -e '/^-----BEGIN RSA PRIVATE KEY-----$/,$p' "${server_vardir}/userkeys/$user.key.pem"
  27
  28     silent_certtool -c \
  29       --template "${pkgs.writeText "taskserver-ca.template" ''
  30         tls_www_client
  31         encryption_key
  32         signing_key
  33         expiration_days = 3650
  34       ''}" \
  35       --load-ca-certificate "${server_vardir}/keys/ca.cert" \
  36       --load-ca-privkey "${server_vardir}/keys/ca.key" \
  37       --load-privkey "${server_vardir}/userkeys/$user.key.pem" \
  38       --outfile "${server_vardir}/userkeys/$user.cert.pem"
  39     EOF
  40     chmod a+x $out/bin/taskserver-user-certs
  41     patchShebangs $out/bin/taskserver-user-certs
  42     '';
  43   taskwarrior-web = pkgs.webapps.taskwarrior-web;
  44   socketsDir = "/run/taskwarrior-web";
  45   varDir = "/var/lib/taskwarrior-web";
  46   taskwebPages = let
  47     uidPages = lib.attrsets.zipAttrs (
  48       lib.lists.flatten
  49         (lib.attrsets.mapAttrsToList (k: c: map (v: { "${v}" = k; }) c.uid) env.taskwarrior-web)
  50       );
  51     pages = lib.attrsets.mapAttrs (uid: items:
  52       if lib.lists.length items == 1 then
  53       ''
  54         <html>
  55         <head>
  56           <meta http-equiv="refresh" content="0; url=/taskweb/${lib.lists.head items}/" />
  57         </head>
  58         <body></body>
  59         </html>
  60         ''
  61       else
  62       ''
  63         <html>
  64         <head>
  65         <title>To-do list disponibles</title>
  66         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  67         <meta name="viewport" content="width=device-width, initial-scale=1" />
  68         </head>
  69         <body>
  70           <ul>
  71             ${builtins.concatStringsSep "\n" (map (item: "<li><a href='/taskweb/${item}'>${item}</a></li>") items)}
  72           </ul>
  73         </body>
  74         </html>
  75         ''
  76     ) uidPages;
  77   in
  78     pkgs.runCommand "taskwerver-pages" {} ''
  79       mkdir -p $out/
  80       ${builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList (k: v: "cp ${pkgs.writeText k v} $out/${k}.html") pages)}
  81       echo "Please login" > $out/index.html
  82       '';
  83 in {
  84   options.myServices.tasks = {
  85     enable = lib.mkEnableOption "my tasks service";
  86   };
  87
  88   config = lib.mkIf cfg.enable {
  89     myServices.chatonsProperties.services.taskwarrior = {
  90       file.datetime = "2022-08-22T00:00:00";
  91       service = {
  92         name = "Taskwarrior";
  93         description = "Taskwarrior is Free and Open Source Software that manages your TODO list from the command line. Web interface and synchronization server";
  94         website = "https://task.immae.eu/";
  95         logo = "https://taskwarrior.org/favicon.ico";
  96         status.level = "OK";
  97         status.description = "OK";
  98         registration."" = ["MEMBER" "CLIENT"];
  99         registration.load = "OPEN";
 100         install.type = "PACKAGE";
 101       };
 102       software = {
 103         name = "Taskwarrior";
 104         website = "https://taskwarrior.org/";
 105         license.url = "https://github.com/GothenburgBitFactory/taskwarrior/blob/develop/LICENSE";
 106         license.name = "MIT License";
 107         version = pkgs.webapps.taskwarrior-web.version;
 108         source.url = "https://taskwarrior.org/download/";
 109       };
 110     };
 111     secrets.keys = {
 112       "webapps/tools-taskwarrior-web" = {
 113         user = "wwwrun";
 114         group = "wwwrun";
 115         permissions = "0400";
 116         text = ''
 117             SetEnv TASKD_HOST          "${fqdn}:${toString config.services.taskserver.listenPort}"
 118             SetEnv TASKD_VARDIR        "${server_vardir}"
 119             SetEnv TASKD_LDAP_HOST     "ldaps://${env.ldap.host}"
 120             SetEnv TASKD_LDAP_DN       "${env.ldap.dn}"
 121             SetEnv TASKD_LDAP_PASSWORD "${env.ldap.password}"
 122             SetEnv TASKD_LDAP_BASE     "${env.ldap.base}"
 123             SetEnv TASKD_LDAP_FILTER   "${env.ldap.filter}"
 124           '';
 125       };
 126     } // (lib.mapAttrs' (name: userConfig: lib.nameValuePair "webapps/tools-taskwarrior/${name}-taskrc" {
 127       inherit user group;
 128       permissions = "0400";
 129       text = let
 130         credentials = "${userConfig.org}/${name}/${userConfig.key}";
 131         dateFormat = userConfig.date;
 132       in ''
 133         data.location=${varDir}/${name}
 134         taskd.certificate=${server_vardir}/userkeys/taskwarrior-web.cert.pem
 135         taskd.key=${server_vardir}/userkeys/taskwarrior-web.key.pem
 136         # IdenTrust DST Root CA X3
 137         # obtained here: https://letsencrypt.org/fr/certificates/
 138         taskd.ca=${pkgs.writeText "ca.cert" ''
 139           -----BEGIN CERTIFICATE-----
 140           MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
 141           TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
 142           cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMTUwNjA0MTEwNDM4
 143           WhcNMzUwNjA0MTEwNDM4WjBPMQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJu
 144           ZXQgU2VjdXJpdHkgUmVzZWFyY2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBY
 145           MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK3oJHP0FDfzm54rVygc
 146           h77ct984kIxuPOZXoHj3dcKi/vVqbvYATyjb3miGbESTtrFj/RQSa78f0uoxmyF+
 147           0TM8ukj13Xnfs7j/EvEhmkvBioZxaUpmZmyPfjxwv60pIgbz5MDmgK7iS4+3mX6U
 148           A5/TR5d8mUgjU+g4rk8Kb4Mu0UlXjIB0ttov0DiNewNwIRt18jA8+o+u3dpjq+sW
 149           T8KOEUt+zwvo/7V3LvSye0rgTBIlDHCNAymg4VMk7BPZ7hm/ELNKjD+Jo2FR3qyH
 150           B5T0Y3HsLuJvW5iB4YlcNHlsdu87kGJ55tukmi8mxdAQ4Q7e2RCOFvu396j3x+UC
 151           B5iPNgiV5+I3lg02dZ77DnKxHZu8A/lJBdiB3QW0KtZB6awBdpUKD9jf1b0SHzUv
 152           KBds0pjBqAlkd25HN7rOrFleaJ1/ctaJxQZBKT5ZPt0m9STJEadao0xAH0ahmbWn
 153           OlFuhjuefXKnEgV4We0+UXgVCwOPjdAvBbI+e0ocS3MFEvzG6uBQE3xDk3SzynTn
 154           jh8BCNAw1FtxNrQHusEwMFxIt4I7mKZ9YIqioymCzLq9gwQbooMDQaHWBfEbwrbw
 155           qHyGO0aoSCqI3Haadr8faqU9GY/rOPNk3sgrDQoo//fb4hVC1CLQJ13hef4Y53CI
 156           rU7m2Ys6xt0nUW7/vGT1M0NPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNV
 157           HRMBAf8EBTADAQH/MB0GA1UdDgQWBBR5tFnme7bl5AFzgAiIyBpY9umbbjANBgkq
 158           hkiG9w0BAQsFAAOCAgEAVR9YqbyyqFDQDLHYGmkgJykIrGF1XIpu+ILlaS/V9lZL
 159           ubhzEFnTIZd+50xx+7LSYK05qAvqFyFWhfFQDlnrzuBZ6brJFe+GnY+EgPbk6ZGQ
 160           3BebYhtF8GaV0nxvwuo77x/Py9auJ/GpsMiu/X1+mvoiBOv/2X/qkSsisRcOj/KK
 161           NFtY2PwByVS5uCbMiogziUwthDyC3+6WVwW6LLv3xLfHTjuCvjHIInNzktHCgKQ5
 162           ORAzI4JMPJ+GslWYHb4phowim57iaztXOoJwTdwJx4nLCgdNbOhdjsnvzqvHu7Ur
 163           TkXWStAmzOVyyghqpZXjFaH3pO3JLF+l+/+sKAIuvtd7u+Nxe5AW0wdeRlN8NwdC
 164           jNPElpzVmbUq4JUagEiuTDkHzsxHpFKVK7q4+63SM1N95R1NbdWhscdCb+ZAJzVc
 165           oyi3B43njTOQ5yOf+1CceWxG1bQVs5ZufpsMljq4Ui0/1lvh+wjChP4kqKOJ2qxq
 166           4RgqsahDYVvTH9w7jXbyLeiNdd8XM2w9U/t7y0Ff/9yi0GE44Za4rF2LN9d11TPA
 167           mRGunUHBcnWEvgJBQl9nJEiU0Zsnvgc/ubhPgXRR4Xq37Z0j4r7g1SgEEzwxA57d
 168           emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc=
 169           -----END CERTIFICATE-----''}
 170         taskd.server=${fqdn}:${toString config.services.taskserver.listenPort}
 171         taskd.credentials=${credentials}
 172         dateformat=${dateFormat}
 173       '';
 174     }) env.taskwarrior-web);
 175     services.websites.env.tools.watchPaths = [ config.secrets.fullPaths."webapps/tools-taskwarrior-web" ];
 176     services.websites.env.tools.modules = [ "proxy_fcgi" "sed" ];
 177     services.websites.env.tools.vhostConfs.task = {
 178       certName    = "eldiron";
 179       addToCerts  = true;
 180       hosts       = [ "task.immae.eu" ];
 181       root        = ./www;
 182       extraConfig = [ ''
 183         <Directory ${./www}>
 184           DirectoryIndex index.php
 185           Use LDAPConnect
 186           Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
 187           <FilesMatch "\.php$">
 188             SetHandler "proxy:unix:${config.services.phpfpm.pools.tasks.socket}|fcgi://localhost"
 189           </FilesMatch>
 190           Include ${config.secrets.fullPaths."webapps/tools-taskwarrior-web"}
 191         </Directory>
 192         ''
 193         ''
 194         <Macro Taskwarrior %{folderName}>
 195           ProxyPass        "unix://${socketsDir}/%{folderName}.sock|http://localhost-%{folderName}/"
 196           ProxyPassReverse "unix://${socketsDir}/%{folderName}.sock|http://localhost-%{folderName}/"
 197           ProxyPassReverse http://${fqdn}/
 198
 199           SetOutputFilter Sed
 200           OutputSed   "s|/ajax|/taskweb/%{folderName}/ajax|g"
 201           OutputSed   "s|\([^x]\)/tasks|\1/taskweb/%{folderName}/tasks|g"
 202           OutputSed   "s|\([^x]\)/projects|\1/taskweb/%{folderName}/projects|g"
 203           OutputSed   "s|http://${fqdn}/|/taskweb/%{folderName}/|g"
 204           OutputSed   "s|/img/relax.jpg|/taskweb/%{folderName}/img/relax.jpg|g"
 205         </Macro>
 206         ''
 207         ''
 208         Alias /taskweb ${taskwebPages}
 209         <Directory "${taskwebPages}">
 210           DirectoryIndex index.html
 211           Require all granted
 212         </Directory>
 213
 214         RewriteEngine on
 215         RewriteRule ^/taskweb$ /taskweb/ [R=301,L]
 216         RedirectMatch permanent ^/taskweb/([^/]+)$ /taskweb/$1/
 217
 218         RewriteCond %{LA-U:REMOTE_USER} !=""
 219         RewriteCond ${taskwebPages}/%{LA-U:REMOTE_USER}.html -f
 220         RewriteRule ^/taskweb/?$ ${taskwebPages}/%{LA-U:REMOTE_USER}.html [L]
 221
 222         <Location /taskweb/>
 223           Use LDAPConnect
 224           Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
 225         </Location>
 226         ''
 227       ] ++ (lib.attrsets.mapAttrsToList (k: v: ''
 228         <Location /taskweb/${k}/>
 229           ${builtins.concatStringsSep "\n" (map (uid: "Require ldap-attribute   uid=${uid}") v.uid)}
 230
 231           Use Taskwarrior ${k}
 232         </Location>
 233         '') env.taskwarrior-web);
 234     };
 235     services.phpfpm.pools = {
 236       tasks = {
 237         user = user;
 238         group = group;
 239         settings = {
 240           "listen.owner" = "wwwrun";
 241           "listen.group" = "wwwrun";
 242           "pm" = "dynamic";
 243           "pm.max_children" = "60";
 244           "pm.start_servers" = "2";
 245           "pm.min_spare_servers" = "1";
 246           "pm.max_spare_servers" = "10";
 247
 248           # Needed to avoid clashes in browser cookies (same domain)
 249           "php_value[session.name]" = "TaskPHPSESSID";
 250           "php_admin_value[session.save_handler]" = "redis";
 251           "php_admin_value[session.save_path]" = "'unix:///run/redis-php-sessions/redis.sock?persistent=1&prefix=Tools:Task:'";
 252           "php_admin_value[open_basedir]" = "${./www}:/tmp:${server_vardir}:/etc/profiles/per-user/${user}/bin/";
 253         };
 254         phpEnv = {
 255           PATH = "/etc/profiles/per-user/${user}/bin";
 256         };
 257         phpPackage = pkgs.php72.withExtensions({ enabled, all }: enabled ++ [ all.redis ]);
 258       };
 259     };
 260
 261     security.acme.certs."task" = config.myServices.certificates.certConfig // {
 262       inherit group;
 263       domain = fqdn;
 264       postRun = ''
 265         systemctl restart taskserver.service
 266       '';
 267     };
 268
 269     users.users.${user} = {
 270       extraGroups = [ "keys" ];
 271       packages = [ taskserver-user-certs ];
 272     };
 273
 274     system.activationScripts.taskserver = {
 275       deps = [ "users" ];
 276       text = ''
 277         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}
 278         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}/userkeys
 279         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}/keys
 280
 281         if [ ! -e "${server_vardir}/keys/ca.key" ]; then
 282           silent_certtool() {
 283             if ! output="$("${pkgs.gnutls.bin}/bin/certtool" "$@" 2>&1)"; then
 284               echo "GNUTLS certtool invocation failed with output:" >&2
 285               echo "$output" >&2
 286             fi
 287           }
 288
 289           silent_certtool -p \
 290             --bits 4096 \
 291             --outfile "${server_vardir}/keys/ca.key"
 292
 293           silent_certtool -s \
 294             --template "${pkgs.writeText "taskserver-ca.template" ''
 295               cn = ${fqdn}
 296               expiration_days = -1
 297               cert_signing_key
 298               ca
 299             ''}" \
 300             --load-privkey "${server_vardir}/keys/ca.key" \
 301             --outfile "${server_vardir}/keys/ca.cert"
 302
 303           chown :${group} "${server_vardir}/keys/ca.key"
 304           chmod g+r "${server_vardir}/keys/ca.key"
 305         fi
 306       '';
 307     };
 308
 309     services.taskserver = {
 310       enable = true;
 311       allowedClientIDs = [ "^task [2-9]" "^Mirakel [1-9]" ];
 312       inherit fqdn;
 313       listenHost = "::";
 314       pki.manual.ca.cert = "${server_vardir}/keys/ca.cert";
 315       pki.manual.server.cert = "${config.security.acme.certs.task.directory}/fullchain.pem";
 316       pki.manual.server.crl = "${config.security.acme.certs.task.directory}/invalid.crl";
 317       pki.manual.server.key = "${config.security.acme.certs.task.directory}/key.pem";
 318       requestLimit = 104857600;
 319     };
 320
 321     system.activationScripts.taskwarrior-web = {
 322       deps = [ "users" ];
 323       text = ''
 324         if [ ! -f ${server_vardir}/userkeys/taskwarrior-web.cert.pem ]; then
 325           ${taskserver-user-certs}/bin/taskserver-user-certs taskwarrior-web
 326           chown taskd:taskd ${server_vardir}/userkeys/taskwarrior-web.cert.pem ${server_vardir}/userkeys/taskwarrior-web.key.pem
 327         fi
 328       '';
 329     };
 330
 331     systemd.slices.taskwarrior = {
 332       description = "Taskwarrior slice";
 333     };
 334
 335     systemd.services = (lib.attrsets.mapAttrs' (name: userConfig:
 336       lib.attrsets.nameValuePair "taskwarrior-web-${name}" {
 337         description = "Taskwarrior webapp for ${name}";
 338         wantedBy = [ "multi-user.target" ];
 339         after = [ "network.target" ];
 340         path = [ pkgs.taskwarrior ];
 341
 342         environment.TASKRC = config.secrets.fullPaths."webapps/tools-taskwarrior/${name}-taskrc";
 343         environment.BUNDLE_PATH = "${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}";
 344         environment.BUNDLE_GEMFILE = "${taskwarrior-web.gems.confFiles}/Gemfile";
 345         environment.LC_ALL = "fr_FR.UTF-8";
 346
 347         script = ''
 348           exec ${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}/bin/bundle exec thin start -R config.ru -S ${socketsDir}/${name}.sock
 349         '';
 350
 351         serviceConfig = {
 352           Slice = "taskwarrior.slice";
 353           User = user;
 354           PrivateTmp = true;
 355           Restart = "always";
 356           TimeoutSec = 60;
 357           Type = "simple";
 358           WorkingDirectory = taskwarrior-web;
 359           StateDirectoryMode = 0750;
 360           StateDirectory = assert lib.strings.hasPrefix "/var/lib/" varDir;
 361             (lib.strings.removePrefix "/var/lib/" varDir + "/${name}");
 362           RuntimeDirectoryPreserve = "yes";
 363           RuntimeDirectory = assert lib.strings.hasPrefix "/run/" socketsDir;
 364             lib.strings.removePrefix "/run/" socketsDir;
 365         };
 366
 367         unitConfig.RequiresMountsFor = varDir;
 368       }) env.taskwarrior-web) // {
 369         taskserver-ca.postStart = ''
 370           chown :${group} "${server_vardir}/keys/ca.key"
 371           chmod g+r "${server_vardir}/keys/ca.key"
 372         '';
 373         taskserver-ca.serviceConfig.Slice = "taskwarrior.slice";
 374         taskserver-init.serviceConfig.Slice = "taskwarrior.slice";
 375         taskserver.serviceConfig.Slice = "taskwarrior.slice";
 376       };
 377
 378   };
 379 }