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" > $out/index.html
  82       '';
  83 in {
  84   options.myServices.tasks = {
  85     enable = lib.mkEnableOption "my tasks service";
  86   };
  87
  88   config = lib.mkIf cfg.enable {
  89     secrets.keys = {
  90       "webapps/tools-taskwarrior-web" = {
  91         user = "wwwrun";
  92         group = "wwwrun";
  93         permissions = "0400";
  94         text = ''
  95             SetEnv TASKD_HOST          "${fqdn}:${toString config.services.taskserver.listenPort}"
  96             SetEnv TASKD_VARDIR        "${server_vardir}"
  97             SetEnv TASKD_LDAP_HOST     "ldaps://${env.ldap.host}"
  98             SetEnv TASKD_LDAP_DN       "${env.ldap.dn}"
  99             SetEnv TASKD_LDAP_PASSWORD "${env.ldap.password}"
 100             SetEnv TASKD_LDAP_BASE     "${env.ldap.base}"
 101             SetEnv TASKD_LDAP_FILTER   "${env.ldap.filter}"
 102           '';
 103       };
 104     } // (lib.mapAttrs' (name: userConfig: lib.nameValuePair "webapps/tools-taskwarrior/${name}-taskrc" {
 105       inherit user group;
 106       permissions = "0400";
 107       text = let
 108         credentials = "${userConfig.org}/${name}/${userConfig.key}";
 109         dateFormat = userConfig.date;
 110       in ''
 111         data.location=${varDir}/${name}
 112         taskd.certificate=${server_vardir}/userkeys/taskwarrior-web.cert.pem
 113         taskd.key=${server_vardir}/userkeys/taskwarrior-web.key.pem
 114         # IdenTrust DST Root CA X3
 115         # obtained here: https://letsencrypt.org/fr/certificates/
 116         taskd.ca=${pkgs.writeText "ca.cert" ''
 117           -----BEGIN CERTIFICATE-----
 118           MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
 119           TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
 120           cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMTUwNjA0MTEwNDM4
 121           WhcNMzUwNjA0MTEwNDM4WjBPMQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJu
 122           ZXQgU2VjdXJpdHkgUmVzZWFyY2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBY
 123           MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK3oJHP0FDfzm54rVygc
 124           h77ct984kIxuPOZXoHj3dcKi/vVqbvYATyjb3miGbESTtrFj/RQSa78f0uoxmyF+
 125           0TM8ukj13Xnfs7j/EvEhmkvBioZxaUpmZmyPfjxwv60pIgbz5MDmgK7iS4+3mX6U
 126           A5/TR5d8mUgjU+g4rk8Kb4Mu0UlXjIB0ttov0DiNewNwIRt18jA8+o+u3dpjq+sW
 127           T8KOEUt+zwvo/7V3LvSye0rgTBIlDHCNAymg4VMk7BPZ7hm/ELNKjD+Jo2FR3qyH
 128           B5T0Y3HsLuJvW5iB4YlcNHlsdu87kGJ55tukmi8mxdAQ4Q7e2RCOFvu396j3x+UC
 129           B5iPNgiV5+I3lg02dZ77DnKxHZu8A/lJBdiB3QW0KtZB6awBdpUKD9jf1b0SHzUv
 130           KBds0pjBqAlkd25HN7rOrFleaJ1/ctaJxQZBKT5ZPt0m9STJEadao0xAH0ahmbWn
 131           OlFuhjuefXKnEgV4We0+UXgVCwOPjdAvBbI+e0ocS3MFEvzG6uBQE3xDk3SzynTn
 132           jh8BCNAw1FtxNrQHusEwMFxIt4I7mKZ9YIqioymCzLq9gwQbooMDQaHWBfEbwrbw
 133           qHyGO0aoSCqI3Haadr8faqU9GY/rOPNk3sgrDQoo//fb4hVC1CLQJ13hef4Y53CI
 134           rU7m2Ys6xt0nUW7/vGT1M0NPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNV
 135           HRMBAf8EBTADAQH/MB0GA1UdDgQWBBR5tFnme7bl5AFzgAiIyBpY9umbbjANBgkq
 136           hkiG9w0BAQsFAAOCAgEAVR9YqbyyqFDQDLHYGmkgJykIrGF1XIpu+ILlaS/V9lZL
 137           ubhzEFnTIZd+50xx+7LSYK05qAvqFyFWhfFQDlnrzuBZ6brJFe+GnY+EgPbk6ZGQ
 138           3BebYhtF8GaV0nxvwuo77x/Py9auJ/GpsMiu/X1+mvoiBOv/2X/qkSsisRcOj/KK
 139           NFtY2PwByVS5uCbMiogziUwthDyC3+6WVwW6LLv3xLfHTjuCvjHIInNzktHCgKQ5
 140           ORAzI4JMPJ+GslWYHb4phowim57iaztXOoJwTdwJx4nLCgdNbOhdjsnvzqvHu7Ur
 141           TkXWStAmzOVyyghqpZXjFaH3pO3JLF+l+/+sKAIuvtd7u+Nxe5AW0wdeRlN8NwdC
 142           jNPElpzVmbUq4JUagEiuTDkHzsxHpFKVK7q4+63SM1N95R1NbdWhscdCb+ZAJzVc
 143           oyi3B43njTOQ5yOf+1CceWxG1bQVs5ZufpsMljq4Ui0/1lvh+wjChP4kqKOJ2qxq
 144           4RgqsahDYVvTH9w7jXbyLeiNdd8XM2w9U/t7y0Ff/9yi0GE44Za4rF2LN9d11TPA
 145           mRGunUHBcnWEvgJBQl9nJEiU0Zsnvgc/ubhPgXRR4Xq37Z0j4r7g1SgEEzwxA57d
 146           emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc=
 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 = [ config.secrets.fullPaths."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        = ./www;
 160       extraConfig = [ ''
 161         <Directory ${./www}>
 162           DirectoryIndex index.php
 163           Use LDAPConnect
 164           Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
 165           <FilesMatch "\.php$">
 166             SetHandler "proxy:unix:${config.services.phpfpm.pools.tasks.socket}|fcgi://localhost"
 167           </FilesMatch>
 168           Include ${config.secrets.fullPaths."webapps/tools-taskwarrior-web"}
 169         </Directory>
 170         ''
 171         ''
 172         <Macro Taskwarrior %{folderName}>
 173           ProxyPass        "unix://${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/${user}/bin";
 232         };
 233         phpPackage = pkgs.php72;
 234       };
 235     };
 236
 237     security.acme.certs."task" = config.myServices.certificates.certConfig // {
 238       inherit user group;
 239       domain = fqdn;
 240       postRun = ''
 241         systemctl restart taskserver.service
 242       '';
 243     };
 244
 245     users.users.${user} = {
 246       extraGroups = [ "keys" ];
 247       packages = [ taskserver-user-certs ];
 248     };
 249
 250     system.activationScripts.taskserver = {
 251       deps = [ "users" ];
 252       text = ''
 253         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}
 254         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}/userkeys
 255         install -m 0750 -o ${user} -g ${group} -d ${server_vardir}/keys
 256
 257         if [ ! -e "${server_vardir}/keys/ca.key" ]; then
 258           silent_certtool() {
 259             if ! output="$("${pkgs.gnutls.bin}/bin/certtool" "$@" 2>&1)"; then
 260               echo "GNUTLS certtool invocation failed with output:" >&2
 261               echo "$output" >&2
 262             fi
 263           }
 264
 265           silent_certtool -p \
 266             --bits 4096 \
 267             --outfile "${server_vardir}/keys/ca.key"
 268
 269           silent_certtool -s \
 270             --template "${pkgs.writeText "taskserver-ca.template" ''
 271               cn = ${fqdn}
 272               expiration_days = -1
 273               cert_signing_key
 274               ca
 275             ''}" \
 276             --load-privkey "${server_vardir}/keys/ca.key" \
 277             --outfile "${server_vardir}/keys/ca.cert"
 278
 279           chown :${group} "${server_vardir}/keys/ca.key"
 280           chmod g+r "${server_vardir}/keys/ca.key"
 281         fi
 282       '';
 283     };
 284
 285     services.taskserver = {
 286       enable = true;
 287       allowedClientIDs = [ "^task [2-9]" "^Mirakel [1-9]" ];
 288       inherit fqdn;
 289       listenHost = "::";
 290       pki.manual.ca.cert = "${server_vardir}/keys/ca.cert";
 291       pki.manual.server.cert = "${config.security.acme.certs.task.directory}/fullchain.pem";
 292       pki.manual.server.crl = "${config.security.acme.certs.task.directory}/invalid.crl";
 293       pki.manual.server.key = "${config.security.acme.certs.task.directory}/key.pem";
 294       requestLimit = 104857600;
 295     };
 296
 297     system.activationScripts.taskwarrior-web = {
 298       deps = [ "users" ];
 299       text = ''
 300         if [ ! -f ${server_vardir}/userkeys/taskwarrior-web.cert.pem ]; then
 301           ${taskserver-user-certs}/bin/taskserver-user-certs taskwarrior-web
 302           chown taskd:taskd ${server_vardir}/userkeys/taskwarrior-web.cert.pem ${server_vardir}/userkeys/taskwarrior-web.key.pem
 303         fi
 304       '';
 305     };
 306
 307     systemd.slices.taskwarrior = {
 308       description = "Taskwarrior slice";
 309     };
 310
 311     systemd.services = (lib.attrsets.mapAttrs' (name: userConfig:
 312       lib.attrsets.nameValuePair "taskwarrior-web-${name}" {
 313         description = "Taskwarrior webapp for ${name}";
 314         wantedBy = [ "multi-user.target" ];
 315         after = [ "network.target" ];
 316         path = [ pkgs.taskwarrior ];
 317
 318         environment.TASKRC = config.secrets.fullPaths."webapps/tools-taskwarrior/${name}-taskrc";
 319         environment.BUNDLE_PATH = "${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}";
 320         environment.BUNDLE_GEMFILE = "${taskwarrior-web.gems.confFiles}/Gemfile";
 321         environment.LC_ALL = "fr_FR.UTF-8";
 322
 323         script = ''
 324           exec ${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}/bin/bundle exec thin start -R config.ru -S ${socketsDir}/${name}.sock
 325         '';
 326
 327         serviceConfig = {
 328           Slice = "taskwarrior.slice";
 329           User = user;
 330           PrivateTmp = true;
 331           Restart = "always";
 332           TimeoutSec = 60;
 333           Type = "simple";
 334           WorkingDirectory = taskwarrior-web;
 335           StateDirectoryMode = 0750;
 336           StateDirectory = assert lib.strings.hasPrefix "/var/lib/" varDir;
 337             (lib.strings.removePrefix "/var/lib/" varDir + "/${name}");
 338           RuntimeDirectoryPreserve = "yes";
 339           RuntimeDirectory = assert lib.strings.hasPrefix "/run/" socketsDir;
 340             lib.strings.removePrefix "/run/" socketsDir;
 341         };
 342
 343         unitConfig.RequiresMountsFor = varDir;
 344       }) env.taskwarrior-web) // {
 345         taskserver-ca.postStart = ''
 346           chown :${group} "${server_vardir}/keys/ca.key"
 347           chmod g+r "${server_vardir}/keys/ca.key"
 348         '';
 349         taskserver-ca.serviceConfig.Slice = "taskwarrior.slice";
 350         taskserver-init.serviceConfig.Slice = "taskwarrior.slice";
 351         taskserver.serviceConfig.Slice = "taskwarrior.slice";
 352       };
 353
 354   };
 355 }