nixops/modules/task/default.nix

   1 { lib, pkgs, config, myconfig, mylibs, ... }:
   2 let
   3   cfg = config.services.myTasks;
   4   vardir = config.services.taskserver.dataDir;
   5   fqdn = "task.immae.eu";
   6   user = config.services.taskserver.user;
   7   env = myconfig.env.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 "$output" >&2
  20       fi
  21     }
  22
  23     silent_certtool -p \
  24       --bits 4096 \
  25       --outfile "${vardir}/userkeys/$user.key.pem"
  26     ${pkgs.gnused}/bin/sed -i -n -e '/^-----BEGIN RSA PRIVATE KEY-----$/,$p' "${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 "${vardir}/keys/ca.cert" \
  36       --load-ca-privkey "${vardir}/keys/ca.key" \
  37       --load-privkey "${vardir}/userkeys/$user.key.pem" \
  38       --outfile "${vardir}/userkeys/$user.cert.pem"
  39     EOF
  40     chmod a+x $out/bin/taskserver-user-certs
  41     patchShebangs $out/bin/taskserver-user-certs
  42     '';
  43   taskwarrior-web = pkgs.callPackage ./taskwarrior-web.nix {
  44     inherit (mylibs) fetchedGithub;
  45     inherit env;
  46   };
  47   taskwebPages = let
  48     uidPages = lib.attrsets.zipAttrs (
  49       lib.lists.flatten
  50         (lib.attrsets.mapAttrsToList (k: c: map (v: { "${v}" = k; }) c.uid) env.taskwarrior-web)
  51       );
  52     pages = lib.attrsets.mapAttrs (uid: items:
  53       if lib.lists.length items == 1 then
  54       ''
  55         <html>
  56         <head>
  57           <meta http-equiv="refresh" content="0; url=/taskweb/${lib.lists.head items}/" />
  58         </head>
  59         <body></body>
  60         </html>
  61         ''
  62       else
  63       ''
  64         <html>
  65         <head>
  66         <title>To-do list disponibles</title>
  67         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  68         <meta name="viewport" content="width=device-width, initial-scale=1" />
  69         </head>
  70         <body>
  71           <ul>
  72             ${builtins.concatStringsSep "\n" (map (item: "<li><a href='/taskweb/${item}'>${item}</a></li>") items)}
  73           </ul>
  74         </body>
  75         </html>
  76         ''
  77     ) uidPages;
  78   in
  79     pkgs.runCommand "taskwerver-pages" {} ''
  80       mkdir -p $out/
  81       ${builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList (k: v: "cp ${pkgs.writeText k v} $out/${k}.html") pages)}
  82       echo "Please login" > $out/index.html
  83       '';
  84 in {
  85   options.services.myTasks = {
  86     enable = lib.mkEnableOption "my tasks service";
  87   };
  88
  89   config = lib.mkIf cfg.enable {
  90     mySecrets.keys = [{
  91       dest = "webapps/tools-taskwarrior-web";
  92       user = "wwwrun";
  93       group = "wwwrun";
  94       permissions = "0400";
  95       text = ''
  96           SetEnv TASKD_HOST          "${fqdn}:${toString config.services.taskserver.listenPort}"
  97           SetEnv TASKD_VARDIR        "${vardir}"
  98           SetEnv TASKD_LDAP_HOST     "ldaps://${env.ldap.host}"
  99           SetEnv TASKD_LDAP_DN       "${env.ldap.dn}"
 100           SetEnv TASKD_LDAP_PASSWORD "${env.ldap.password}"
 101           SetEnv TASKD_LDAP_BASE     "${env.ldap.base}"
 102           SetEnv TASKD_LDAP_FILTER   "${env.ldap.search}"
 103         '';
 104     }];
 105     security.acme.certs."eldiron".extraDomains.${fqdn} = null;
 106     services.myWebsites.tools.modules = [ "proxy_fcgi" "sed" ];
 107     services.myWebsites.tools.vhostConfs.task = {
 108       certName    = "eldiron";
 109       hosts       = [ "task.immae.eu" ];
 110       root        = "/run/current-system/webapps/_task";
 111       extraConfig = [ ''
 112         <Directory /run/current-system/webapps/_task>
 113           DirectoryIndex index.php
 114           Use LDAPConnect
 115           Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
 116           <FilesMatch "\.php$">
 117             SetHandler "proxy:unix:/var/run/phpfpm/task.sock|fcgi://localhost"
 118           </FilesMatch>
 119           Include /var/secrets/webapps/tools-taskwarrior-web
 120         </Directory>
 121         ''
 122         ''
 123         <Macro Taskwarrior %{folderName}>
 124           ProxyPass        "unix://${taskwarrior-web.socketsDir}/%{folderName}.sock|http://localhost-%{folderName}/"
 125           ProxyPassReverse "unix://${taskwarrior-web.socketsDir}/%{folderName}.sock|http://localhost-%{folderName}/"
 126           ProxyPassReverse http://${fqdn}/
 127
 128           SetOutputFilter Sed
 129           OutputSed   "s|/ajax|/taskweb/%{folderName}/ajax|g"
 130           OutputSed   "s|\([^x]\)/tasks|\1/taskweb/%{folderName}/tasks|g"
 131           OutputSed   "s|\([^x]\)/projects|\1/taskweb/%{folderName}/projects|g"
 132           OutputSed   "s|http://${fqdn}/|/taskweb/%{folderName}/|g"
 133           OutputSed   "s|/img/relax.jpg|/taskweb/%{folderName}/img/relax.jpg|g"
 134         </Macro>
 135         ''
 136         ''
 137         Alias /taskweb ${taskwebPages}
 138         <Directory "${taskwebPages}">
 139           DirectoryIndex index.html
 140           Require all granted
 141         </Directory>
 142
 143         RewriteEngine on
 144         RewriteRule ^/taskweb$ /taskweb/ [R=301,L]
 145         RedirectMatch permanent ^/taskweb/([^/]+)$ /taskweb/$1/
 146
 147         RewriteCond %{LA-U:REMOTE_USER} !=""
 148         RewriteCond ${taskwebPages}/%{LA-U:REMOTE_USER}.html -f
 149         RewriteRule ^/taskweb/?$ ${taskwebPages}/%{LA-U:REMOTE_USER}.html [L]
 150
 151         <Location /taskweb/>
 152           Use LDAPConnect
 153           Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
 154         </Location>
 155         ''
 156       ] ++ (lib.attrsets.mapAttrsToList (k: v: ''
 157         <Location /taskweb/${k}/>
 158           ${builtins.concatStringsSep "\n" (map (uid: "Require ldap-attribute   uid=${uid}") v.uid)}
 159
 160           Use Taskwarrior ${k}
 161         </Location>
 162         '') env.taskwarrior-web);
 163     };
 164     services.myPhpfpm.poolConfigs = {
 165       tasks = ''
 166         listen = /var/run/phpfpm/task.sock
 167         user = ${user}
 168         group = ${group}
 169         listen.owner = wwwrun
 170         listen.group = wwwrun
 171         pm = dynamic
 172         pm.max_children = 60
 173         pm.start_servers = 2
 174         pm.min_spare_servers = 1
 175         pm.max_spare_servers = 10
 176
 177         ; Needed to avoid clashes in browser cookies (same domain)
 178         env[PATH] = "/etc/profiles/per-user/${user}/bin"
 179         php_value[session.name] = TaskPHPSESSID
 180         php_admin_value[open_basedir] = "${./www}:/tmp:${vardir}:/etc/profiles/per-user/${user}/bin/"
 181       '';
 182     };
 183
 184     system.extraSystemBuilderCmds = ''
 185       ln -s ${./www} $out/webapps/_task
 186       '';
 187
 188     security.acme.certs."task" = config.services.myCertificates.certConfig // {
 189       inherit user group;
 190       plugins = [ "fullchain.pem" "key.pem" "cert.pem" "account_key.json" ];
 191       domain = fqdn;
 192       postRun = ''
 193         systemctl restart taskserver.service
 194       '';
 195     };
 196
 197     users.users.${user}.packages = [ taskserver-user-certs ];
 198
 199     system.activationScripts.taskserver = {
 200       deps = [ "users" ];
 201       text = ''
 202         install -m 0750 -o ${user} -g ${group} -d ${vardir}
 203         install -m 0750 -o ${user} -g ${group} -d ${vardir}/userkeys
 204         install -m 0750 -o ${user} -g ${group} -d ${vardir}/keys
 205
 206         if [ ! -e "${vardir}/keys/ca.key" ]; then
 207           silent_certtool() {
 208             if ! output="$("${pkgs.gnutls.bin}/bin/certtool" "$@" 2>&1)"; then
 209               echo "GNUTLS certtool invocation failed with output:" >&2
 210               echo "$output" >&2
 211             fi
 212           }
 213
 214           silent_certtool -p \
 215             --bits 4096 \
 216             --outfile "${vardir}/keys/ca.key"
 217
 218           silent_certtool -s \
 219             --template "${pkgs.writeText "taskserver-ca.template" ''
 220               cn = ${fqdn}
 221               expiration_days = -1
 222               cert_signing_key
 223               ca
 224             ''}" \
 225             --load-privkey "${vardir}/keys/ca.key" \
 226             --outfile "${vardir}/keys/ca.cert"
 227
 228           chown :${group} "${vardir}/keys/ca.key"
 229           chmod g+r "${vardir}/keys/ca.key"
 230         fi
 231       '';
 232     };
 233
 234     services.taskserver = {
 235       enable = true;
 236       allowedClientIDs = [ "^task [2-9]" "^Mirakel [1-9]" ];
 237       inherit fqdn;
 238       listenHost = "::";
 239       pki.manual.ca.cert = "${vardir}/keys/ca.cert";
 240       pki.manual.server.cert = "/var/lib/acme/task/fullchain.pem";
 241       pki.manual.server.crl = "/var/lib/acme/task/invalid.crl";
 242       pki.manual.server.key = "/var/lib/acme/task/key.pem";
 243       requestLimit = 104857600;
 244     };
 245
 246     system.activationScripts.taskwarrior-web = {
 247       deps = [ "users" ];
 248       text = ''
 249         install -m 0755 -o ${user} -g ${group} -d ${taskwarrior-web.socketsDir}
 250         install -m 0750 -o ${user} -g ${group} -d ${taskwarrior-web.varDir}
 251         ${builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList
 252           (k: v: "install -m 0750 -o ${user} -g ${group} -d ${taskwarrior-web.varDir}/${k}")
 253           env.taskwarrior-web
 254         )}
 255         if [ ! -f ${vardir}/userkeys/taskwarrior-web.cert.pem ]; then
 256           ${taskserver-user-certs}/bin/taskserver-user-certs taskwarrior-web
 257           chown taskd:taskd ${vardir}/userkeys/taskwarrior-web.cert.pem ${vardir}/userkeys/taskwarrior-web.key.pem
 258         fi
 259       '';
 260     };
 261
 262     systemd.services = (lib.attrsets.mapAttrs' (name: userConfig:
 263       let
 264         credentials = "${userConfig.org}/${name}/${userConfig.key}";
 265         dateFormat = userConfig.date;
 266         taskrc = pkgs.writeText "taskrc" ''
 267           data.location=${taskwarrior-web.varDir}/${name}
 268           taskd.certificate=${vardir}/userkeys/taskwarrior-web.cert.pem
 269           taskd.key=${vardir}/userkeys/taskwarrior-web.key.pem
 270           # IdenTrust DST Root CA X3
 271           # obtained here: https://letsencrypt.org/fr/certificates/
 272           taskd.ca=${pkgs.writeText "ca.cert" ''
 273             -----BEGIN CERTIFICATE-----
 274             MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/
 275             MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT
 276             DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow
 277             PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD
 278             Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
 279             AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O
 280             rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq
 281             OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b
 282             xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw
 283             7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD
 284             aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV
 285             HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG
 286             SIb3DQEBBQUAA4IBAQCjGiybFwBcqR7uKGY3Or+Dxz9LwwmglSBd49lZRNI+DT69
 287             ikugdB/OEIKcdBodfpga3csTS7MgROSR6cz8faXbauX+5v3gTt23ADq1cEmv8uXr
 288             AvHRAosZy5Q6XkjEGB5YGV8eAlrwDPGxrancWYaLbumR9YbK+rlmM6pZW87ipxZz
 289             R8srzJmwN0jP41ZL9c8PDHIyh8bwRLtTcm1D9SZImlJnt1ir/md2cXjbDaJWFBM5
 290             JDGFoqgCWjBH4d1QB7wCCZAA62RjYJsWvIjJEubSfZGL+T0yjWW06XyxV3bqxbYo
 291             Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ
 292             -----END CERTIFICATE-----''}
 293           taskd.server=${fqdn}:${toString config.services.taskserver.listenPort}
 294           taskd.credentials=${credentials}
 295           dateformat=${dateFormat}
 296           '';
 297       in lib.attrsets.nameValuePair "taskwarrior-web-${name}" {
 298         description = "Taskwarrior webapp for ${name}";
 299         wantedBy = [ "multi-user.target" ];
 300         after = [ "network.target" ];
 301         path = [ pkgs.taskwarrior ];
 302
 303         environment.TASKRC = taskrc;
 304         environment.BUNDLE_PATH = "${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}";
 305         environment.BUNDLE_GEMFILE = "${taskwarrior-web.gems.confFiles}/Gemfile";
 306         environment.LC_ALL = "fr_FR.UTF-8";
 307
 308         script = ''
 309           exec ${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}/bin/bundle exec thin start -R config.ru -S ${taskwarrior-web.socketsDir}/${name}.sock
 310         '';
 311
 312         serviceConfig = {
 313           User = user;
 314           PrivateTmp = true;
 315           Restart = "always";
 316           TimeoutSec = 60;
 317           Type = "simple";
 318           WorkingDirectory = taskwarrior-web.rubyRoot;
 319         };
 320
 321         unitConfig.RequiresMountsFor = taskwarrior-web.varDir;
 322       }) env.taskwarrior-web) // {
 323         taskserver-ca.postStart = ''
 324           chown :${group} "${vardir}/keys/ca.key"
 325           chmod g+r "${vardir}/keys/ca.key"
 326         '';
 327       };
 328
 329   };
 330 }