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" > $out/index.html
  82       '';
  83 in {
  84   options.myServices.tasks = {
  85     enable = lib.mkEnableOption "my tasks service";
  86   };
  87
  88   config = lib.mkIf cfg.enable {
  89     services.duplyBackup.profiles.tasks = {
  90       rootDir = "/var/lib";
  91       excludeFile = ''
  92         + /var/lib/taskserver
  93         + /var/lib/taskwarrior-web
  94         - /var/lib
  95         '';
  96     };
  97
  98     secrets.keys = [
  99       {
 100         dest = "webapps/tools-taskwarrior-web";
 101         user = "wwwrun";
 102         group = "wwwrun";
 103         permissions = "0400";
 104         text = ''
 105             SetEnv TASKD_HOST          "${fqdn}:${toString config.services.taskserver.listenPort}"
 106             SetEnv TASKD_VARDIR        "${server_vardir}"
 107             SetEnv TASKD_LDAP_HOST     "ldaps://${env.ldap.host}"
 108             SetEnv TASKD_LDAP_DN       "${env.ldap.dn}"
 109             SetEnv TASKD_LDAP_PASSWORD "${env.ldap.password}"
 110             SetEnv TASKD_LDAP_BASE     "${env.ldap.base}"
 111             SetEnv TASKD_LDAP_FILTER   "${env.ldap.filter}"
 112           '';
 113       }
 114     ] ++ (lib.mapAttrsToList (name: userConfig: {
 115       dest = "webapps/tools-taskwarrior/${name}-taskrc";
 116       inherit user group;
 117       permissions = "0400";
 118       text = let
 119         credentials = "${userConfig.org}/${name}/${userConfig.key}";
 120         dateFormat = userConfig.date;
 121       in ''
 122         data.location=${varDir}/${name}
 123         taskd.certificate=${server_vardir}/userkeys/taskwarrior-web.cert.pem
 124         taskd.key=${server_vardir}/userkeys/taskwarrior-web.key.pem
 125         # IdenTrust DST Root CA X3
 126         # obtained here: https://letsencrypt.org/fr/certificates/
 127         taskd.ca=${pkgs.writeText "ca.cert" ''
 128           -----BEGIN CERTIFICATE-----
 129           MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/
 130           MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT
 131           DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow
 132           PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD
 133           Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
 134           AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O
 135           rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq
 136           OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b
 137           xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw
 138           7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD
 139           aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV
 140           HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG
 141           SIb3DQEBBQUAA4IBAQCjGiybFwBcqR7uKGY3Or+Dxz9LwwmglSBd49lZRNI+DT69
 142           ikugdB/OEIKcdBodfpga3csTS7MgROSR6cz8faXbauX+5v3gTt23ADq1cEmv8uXr
 143           AvHRAosZy5Q6XkjEGB5YGV8eAlrwDPGxrancWYaLbumR9YbK+rlmM6pZW87ipxZz
 144           R8srzJmwN0jP41ZL9c8PDHIyh8bwRLtTcm1D9SZImlJnt1ir/md2cXjbDaJWFBM5
 145           JDGFoqgCWjBH4d1QB7wCCZAA62RjYJsWvIjJEubSfZGL+T0yjWW06XyxV3bqxbYo
 146           Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ
 147           -----END CERTIFICATE-----''}
 148         taskd.server=${fqdn}:${toString config.services.taskserver.listenPort}
 149         taskd.credentials=${credentials}
 150         dateformat=${dateFormat}
 151       '';
 152     }) env.taskwarrior-web);
 153     services.websites.env.tools.watchPaths = [ "/var/secrets/webapps/tools-taskwarrior-web" ];
 154     services.websites.env.tools.modules = [ "proxy_fcgi" "sed" ];
 155     services.websites.env.tools.vhostConfs.task = {
 156       certName    = "eldiron";
 157       addToCerts  = true;
 158       hosts       = [ "task.immae.eu" ];
 159       root        = "/run/current-system/webapps/_task";
 160       extraConfig = [ ''
 161         <Directory /run/current-system/webapps/_task>
 162           DirectoryIndex index.php
 163           Use LDAPConnect
 164           Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
 165           <FilesMatch "\.php$">
 166             SetHandler "proxy:unix:${config.services.phpfpm.pools.tasks.socket}|fcgi://localhost"
 167           </FilesMatch>
 168           Include /var/secrets/webapps/tools-taskwarrior-web
 169         </Directory>
 170         ''
 171         ''
 172         <Macro Taskwarrior %{folderName}>
 173           ProxyPass        "unix://${socketsDir}/%{folderName}.sock|http://localhost-%{folderName}/"
 174           ProxyPassReverse "unix://${socketsDir}/%{folderName}.sock|http://localhost-%{folderName}/"
 175           ProxyPassReverse http://${fqdn}/
 176
 177           SetOutputFilter Sed
 178           OutputSed   "s|/ajax|/taskweb/%{folderName}/ajax|g"
 179           OutputSed   "s|\([^x]\)/tasks|\1/taskweb/%{folderName}/tasks|g"
 180           OutputSed   "s|\([^x]\)/projects|\1/taskweb/%{folderName}/projects|g"
 181           OutputSed   "s|http://${fqdn}/|/taskweb/%{folderName}/|g"
 182           OutputSed   "s|/img/relax.jpg|/taskweb/%{folderName}/img/relax.jpg|g"
 183         </Macro>
 184         ''
 185         ''
 186         Alias /taskweb ${taskwebPages}
 187         <Directory "${taskwebPages}">
 188           DirectoryIndex index.html
 189           Require all granted
 190         </Directory>
 191
 192         RewriteEngine on
 193         RewriteRule ^/taskweb$ /taskweb/ [R=301,L]
 194         RedirectMatch permanent ^/taskweb/([^/]+)$ /taskweb/$1/
 195
 196         RewriteCond %{LA-U:REMOTE_USER} !=""
 197         RewriteCond ${taskwebPages}/%{LA-U:REMOTE_USER}.html -f
 198         RewriteRule ^/taskweb/?$ ${taskwebPages}/%{LA-U:REMOTE_USER}.html [L]
 199
 200         <Location /taskweb/>
 201           Use LDAPConnect
 202           Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
 203         </Location>
 204         ''
 205       ] ++ (lib.attrsets.mapAttrsToList (k: v: ''
 206         <Location /taskweb/${k}/>
 207           ${builtins.concatStringsSep "\n" (map (uid: "Require ldap-attribute   uid=${uid}") v.uid)}
 208
 209           Use Taskwarrior ${k}
 210         </Location>
 211         '') env.taskwarrior-web);
 212     };
 213     services.phpfpm.pools = {
 214       tasks = {
 215         user = user;
 216         group = group;
 217         settings = {
 218           "listen.owner" = "wwwrun";
 219           "listen.group" = "wwwrun";
 220           "pm" = "dynamic";
 221           "pm.max_children" = "60";
 222           "pm.start_servers" = "2";
 223           "pm.min_spare_servers" = "1";
 224           "pm.max_spare_servers" = "10";
 225
 226           # Needed to avoid clashes in browser cookies (same domain)
 227           "php_value[session.name]" = "TaskPHPSESSID";
 228           "php_admin_value[open_basedir]" = "${./www}:/tmp:${server_vardir}:/etc/profiles/per-user/${user}/bin/";
 229         };
 230         phpEnv = {
 231           PATH = "/etc/profiles/per-user/${user}/bin";
 232         };
 233         phpPackage = pkgs.php72;
 234       };
 235     };
 236
 237     services.websites.webappDirs._task = ./www;
 238
 239     security.acme.certs."task" = config.myServices.certificates.certConfig // {
 240       inherit user group;
 241       domain = fqdn;
 242       postRun = ''
 243         systemctl restart taskserver.service
 244       '';
 245     };
 246
 247     users.users.${user} = {
 248       extraGroups = [ "keys" ];
 249       packages = [ taskserver-user-certs ];
 250     };
 251
 252     system.activationScripts.taskserver = {
 253       deps = [ "users" ];
 254       text = ''
 255         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}
 256         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}/userkeys
 257         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}/keys
 258
 259         if [ ! -e "${server_vardir}/keys/ca.key" ]; then
 260           silent_certtool() {
 261             if ! output="$("${pkgs.gnutls.bin}/bin/certtool" "$@" 2>&1)"; then
 262               echo "GNUTLS certtool invocation failed with output:" >&2
 263               echo "$output" >&2
 264             fi
 265           }
 266
 267           silent_certtool -p \
 268             --bits 4096 \
 269             --outfile "${server_vardir}/keys/ca.key"
 270
 271           silent_certtool -s \
 272             --template "${pkgs.writeText "taskserver-ca.template" ''
 273               cn = ${fqdn}
 274               expiration_days = -1
 275               cert_signing_key
 276               ca
 277             ''}" \
 278             --load-privkey "${server_vardir}/keys/ca.key" \
 279             --outfile "${server_vardir}/keys/ca.cert"
 280
 281           chown :${group} "${server_vardir}/keys/ca.key"
 282           chmod g+r "${server_vardir}/keys/ca.key"
 283         fi
 284       '';
 285     };
 286
 287     services.taskserver = {
 288       enable = true;
 289       allowedClientIDs = [ "^task [2-9]" "^Mirakel [1-9]" ];
 290       inherit fqdn;
 291       listenHost = "::";
 292       pki.manual.ca.cert = "${server_vardir}/keys/ca.cert";
 293       pki.manual.server.cert = "${config.security.acme.certs.task.directory}/fullchain.pem";
 294       pki.manual.server.crl = "${config.security.acme.certs.task.directory}/invalid.crl";
 295       pki.manual.server.key = "${config.security.acme.certs.task.directory}/key.pem";
 296       requestLimit = 104857600;
 297     };
 298
 299     system.activationScripts.taskwarrior-web = {
 300       deps = [ "users" ];
 301       text = ''
 302         if [ ! -f ${server_vardir}/userkeys/taskwarrior-web.cert.pem ]; then
 303           ${taskserver-user-certs}/bin/taskserver-user-certs taskwarrior-web
 304           chown taskd:taskd ${server_vardir}/userkeys/taskwarrior-web.cert.pem ${server_vardir}/userkeys/taskwarrior-web.key.pem
 305         fi
 306       '';
 307     };
 308
 309     systemd.slices.taskwarrior = {
 310       description = "Taskwarrior slice";
 311     };
 312
 313     systemd.services = (lib.attrsets.mapAttrs' (name: userConfig:
 314       lib.attrsets.nameValuePair "taskwarrior-web-${name}" {
 315         description = "Taskwarrior webapp for ${name}";
 316         wantedBy = [ "multi-user.target" ];
 317         after = [ "network.target" ];
 318         path = [ pkgs.taskwarrior ];
 319
 320         environment.TASKRC = "/var/secrets/webapps/tools-taskwarrior/${name}-taskrc";
 321         environment.BUNDLE_PATH = "${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}";
 322         environment.BUNDLE_GEMFILE = "${taskwarrior-web.gems.confFiles}/Gemfile";
 323         environment.LC_ALL = "fr_FR.UTF-8";
 324
 325         script = ''
 326           exec ${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}/bin/bundle exec thin start -R config.ru -S ${socketsDir}/${name}.sock
 327         '';
 328
 329         serviceConfig = {
 330           Slice = "taskwarrior.slice";
 331           User = user;
 332           PrivateTmp = true;
 333           Restart = "always";
 334           TimeoutSec = 60;
 335           Type = "simple";
 336           WorkingDirectory = taskwarrior-web;
 337           StateDirectoryMode = 0750;
 338           StateDirectory = assert lib.strings.hasPrefix "/var/lib/" varDir;
 339             (lib.strings.removePrefix "/var/lib/" varDir + "/${name}");
 340           RuntimeDirectoryPreserve = "yes";
 341           RuntimeDirectory = assert lib.strings.hasPrefix "/run/" socketsDir;
 342             lib.strings.removePrefix "/run/" socketsDir;
 343         };
 344
 345         unitConfig.RequiresMountsFor = varDir;
 346       }) env.taskwarrior-web) // {
 347         taskserver-ca.postStart = ''
 348           chown :${group} "${server_vardir}/keys/ca.key"
 349           chmod g+r "${server_vardir}/keys/ca.key"
 350         '';
 351         taskserver-ca.serviceConfig.Slice = "taskwarrior.slice";
 352         taskserver-init.serviceConfig.Slice = "taskwarrior.slice";
 353         taskserver.serviceConfig.Slice = "taskwarrior.slice";
 354       };
 355
 356   };
 357 }