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[perso/Immae/Config/Nix.git] / systems / eldiron / tasks / default.nix
diff --git a/systems/eldiron/tasks/default.nix b/systems/eldiron/tasks/default.nix
new file mode 100644 (file)
index 0000000..0772a5f
--- /dev/null
@@ -0,0 +1,384 @@
+{ lib, pkgs, config, taskwarrior-web, ... }:
+let
+  cfg = config.myServices.tasks;
+  server_vardir = config.services.taskserver.dataDir;
+  fqdn = "task.immae.eu";
+  user = config.services.taskserver.user;
+  env = config.myEnv.tools.task;
+  group = config.services.taskserver.group;
+  taskserver-user-certs = pkgs.runCommand "taskserver-user-certs" {} ''
+    mkdir -p $out/bin
+    cat > $out/bin/taskserver-user-certs <<"EOF"
+    #!/usr/bin/env bash
+
+    user=$1
+
+    silent_certtool() {
+      if ! output="$("${pkgs.gnutls.bin}/bin/certtool" "$@" 2>&1)"; then
+        echo "GNUTLS certtool invocation failed with output:" >&2
+        echo "$output" >&2
+      fi
+    }
+
+    silent_certtool -p \
+      --bits 4096 \
+      --outfile "${server_vardir}/userkeys/$user.key.pem"
+    ${pkgs.gnused}/bin/sed -i -n -e '/^-----BEGIN RSA PRIVATE KEY-----$/,$p' "${server_vardir}/userkeys/$user.key.pem"
+
+    silent_certtool -c \
+      --template "${pkgs.writeText "taskserver-ca.template" ''
+        tls_www_client
+        encryption_key
+        signing_key
+        expiration_days = 3650
+      ''}" \
+      --load-ca-certificate "${server_vardir}/keys/ca.cert" \
+      --load-ca-privkey "${server_vardir}/keys/ca.key" \
+      --load-privkey "${server_vardir}/userkeys/$user.key.pem" \
+      --outfile "${server_vardir}/userkeys/$user.cert.pem"
+    EOF
+    chmod a+x $out/bin/taskserver-user-certs
+    patchShebangs $out/bin/taskserver-user-certs
+    '';
+  socketsDir = "/run/taskwarrior-web";
+  varDir = "/var/lib/taskwarrior-web";
+  taskwebPages = let
+    uidPages = lib.attrsets.zipAttrs (
+      lib.lists.flatten
+        (lib.attrsets.mapAttrsToList (k: c: map (v: { "${v}" = k; }) c.uid) env.taskwarrior-web)
+      );
+    pages = lib.attrsets.mapAttrs (uid: items:
+      if lib.lists.length items == 1 then
+      ''
+        <html>
+        <head>
+          <meta http-equiv="refresh" content="0; url=/taskweb/${lib.lists.head items}/" />
+        </head>
+        <body></body>
+        </html>
+        ''
+      else
+      ''
+        <html>
+        <head>
+        <title>To-do list disponibles</title>
+        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+        <meta name="viewport" content="width=device-width, initial-scale=1" />
+        </head>
+        <body>
+          <ul>
+            ${builtins.concatStringsSep "\n" (map (item: "<li><a href='/taskweb/${item}'>${item}</a></li>") items)}
+          </ul>
+        </body>
+        </html>
+        ''
+    ) uidPages;
+  in
+    pkgs.runCommand "taskwerver-pages" {} ''
+      mkdir -p $out/
+      ${builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList (k: v: "cp ${pkgs.writeText k v} $out/${k}.html") pages)}
+      echo "Please login" > $out/index.html
+      '';
+in {
+  options.myServices.tasks = {
+    enable = lib.mkEnableOption "my tasks service";
+  };
+
+  config = lib.mkIf cfg.enable {
+    myServices.dns.zones."immae.eu".subdomains.task =
+      with config.myServices.dns.helpers; ips servers.eldiron.ips.main;
+
+    myServices.chatonsProperties.services.taskwarrior = {
+      file.datetime = "2022-08-22T00:00:00";
+      service = {
+        name = "Taskwarrior";
+        description = "Taskwarrior is Free and Open Source Software that manages your TODO list from the command line. Web interface and synchronization server";
+        website = "https://task.immae.eu/";
+        logo = "https://taskwarrior.org/favicon.ico";
+        status.level = "OK";
+        status.description = "OK";
+        registration."" = ["MEMBER" "CLIENT"];
+        registration.load = "OPEN";
+        install.type = "PACKAGE";
+      };
+      software = {
+        name = "Taskwarrior";
+        website = "https://taskwarrior.org/";
+        license.url = "https://github.com/GothenburgBitFactory/taskwarrior/blob/develop/LICENSE";
+        license.name = "MIT License";
+        version = taskwarrior-web.version;
+        source.url = "https://taskwarrior.org/download/";
+      };
+    };
+    secrets.keys = {
+      "webapps/tools-taskwarrior-web" = {
+        user = "wwwrun";
+        group = "wwwrun";
+        permissions = "0400";
+        text = ''
+            SetEnv TASKD_HOST          "${fqdn}:${toString config.services.taskserver.listenPort}"
+            SetEnv TASKD_VARDIR        "${server_vardir}"
+            SetEnv TASKD_LDAP_HOST     "ldaps://${env.ldap.host}"
+            SetEnv TASKD_LDAP_DN       "${env.ldap.dn}"
+            SetEnv TASKD_LDAP_PASSWORD "${env.ldap.password}"
+            SetEnv TASKD_LDAP_BASE     "${env.ldap.base}"
+            SetEnv TASKD_LDAP_FILTER   "${env.ldap.filter}"
+          '';
+      };
+    } // (lib.mapAttrs' (name: userConfig: lib.nameValuePair "webapps/tools-taskwarrior/${name}-taskrc" (
+      let
+        credentials = "${userConfig.org}/${name}/${userConfig.key}";
+        dateFormat = userConfig.date;
+        cacert = pkgs.writeText "ca.cert" ''
+          -----BEGIN CERTIFICATE-----
+          MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
+          TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
+          cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMTUwNjA0MTEwNDM4
+          WhcNMzUwNjA0MTEwNDM4WjBPMQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJu
+          ZXQgU2VjdXJpdHkgUmVzZWFyY2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBY
+          MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK3oJHP0FDfzm54rVygc
+          h77ct984kIxuPOZXoHj3dcKi/vVqbvYATyjb3miGbESTtrFj/RQSa78f0uoxmyF+
+          0TM8ukj13Xnfs7j/EvEhmkvBioZxaUpmZmyPfjxwv60pIgbz5MDmgK7iS4+3mX6U
+          A5/TR5d8mUgjU+g4rk8Kb4Mu0UlXjIB0ttov0DiNewNwIRt18jA8+o+u3dpjq+sW
+          T8KOEUt+zwvo/7V3LvSye0rgTBIlDHCNAymg4VMk7BPZ7hm/ELNKjD+Jo2FR3qyH
+          B5T0Y3HsLuJvW5iB4YlcNHlsdu87kGJ55tukmi8mxdAQ4Q7e2RCOFvu396j3x+UC
+          B5iPNgiV5+I3lg02dZ77DnKxHZu8A/lJBdiB3QW0KtZB6awBdpUKD9jf1b0SHzUv
+          KBds0pjBqAlkd25HN7rOrFleaJ1/ctaJxQZBKT5ZPt0m9STJEadao0xAH0ahmbWn
+          OlFuhjuefXKnEgV4We0+UXgVCwOPjdAvBbI+e0ocS3MFEvzG6uBQE3xDk3SzynTn
+          jh8BCNAw1FtxNrQHusEwMFxIt4I7mKZ9YIqioymCzLq9gwQbooMDQaHWBfEbwrbw
+          qHyGO0aoSCqI3Haadr8faqU9GY/rOPNk3sgrDQoo//fb4hVC1CLQJ13hef4Y53CI
+          rU7m2Ys6xt0nUW7/vGT1M0NPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNV
+          HRMBAf8EBTADAQH/MB0GA1UdDgQWBBR5tFnme7bl5AFzgAiIyBpY9umbbjANBgkq
+          hkiG9w0BAQsFAAOCAgEAVR9YqbyyqFDQDLHYGmkgJykIrGF1XIpu+ILlaS/V9lZL
+          ubhzEFnTIZd+50xx+7LSYK05qAvqFyFWhfFQDlnrzuBZ6brJFe+GnY+EgPbk6ZGQ
+          3BebYhtF8GaV0nxvwuo77x/Py9auJ/GpsMiu/X1+mvoiBOv/2X/qkSsisRcOj/KK
+          NFtY2PwByVS5uCbMiogziUwthDyC3+6WVwW6LLv3xLfHTjuCvjHIInNzktHCgKQ5
+          ORAzI4JMPJ+GslWYHb4phowim57iaztXOoJwTdwJx4nLCgdNbOhdjsnvzqvHu7Ur
+          TkXWStAmzOVyyghqpZXjFaH3pO3JLF+l+/+sKAIuvtd7u+Nxe5AW0wdeRlN8NwdC
+          jNPElpzVmbUq4JUagEiuTDkHzsxHpFKVK7q4+63SM1N95R1NbdWhscdCb+ZAJzVc
+          oyi3B43njTOQ5yOf+1CceWxG1bQVs5ZufpsMljq4Ui0/1lvh+wjChP4kqKOJ2qxq
+          4RgqsahDYVvTH9w7jXbyLeiNdd8XM2w9U/t7y0Ff/9yi0GE44Za4rF2LN9d11TPA
+          mRGunUHBcnWEvgJBQl9nJEiU0Zsnvgc/ubhPgXRR4Xq37Z0j4r7g1SgEEzwxA57d
+          emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc=
+          -----END CERTIFICATE-----'';
+      in {
+      inherit user group;
+      permissions = "0400";
+      text = ''
+        data.location=${varDir}/${name}
+        taskd.certificate=${server_vardir}/userkeys/taskwarrior-web.cert.pem
+        taskd.key=${server_vardir}/userkeys/taskwarrior-web.key.pem
+        # IdenTrust DST Root CA X3
+        # obtained here: https://letsencrypt.org/fr/certificates/
+        taskd.ca=${cacert}
+        taskd.server=${fqdn}:${toString config.services.taskserver.listenPort}
+        taskd.credentials=${credentials}
+        dateformat=${dateFormat}
+      '';
+      keyDependencies = [ cacert ];
+    })) env.taskwarrior-web);
+    security.acme.certs.eldiron.extraDomainNames = [ "task.immae.eu" ];
+    services.websites.env.tools.watchPaths = [ config.secrets.fullPaths."webapps/tools-taskwarrior-web" ];
+    services.websites.env.tools.modules = [ "proxy_fcgi" "sed" ];
+    services.websites.env.tools.vhostConfs.task = {
+      certName    = "eldiron";
+      hosts       = [ "task.immae.eu" ];
+      root        = ./www;
+      extraConfig = [ ''
+        <Directory ${./www}>
+          DirectoryIndex index.php
+          Use LDAPConnect
+          Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
+          <FilesMatch "\.php$">
+            SetHandler "proxy:unix:${config.services.phpfpm.pools.tasks.socket}|fcgi://localhost"
+          </FilesMatch>
+          Include ${config.secrets.fullPaths."webapps/tools-taskwarrior-web"}
+        </Directory>
+        ''
+        ''
+        <Macro Taskwarrior %{folderName}>
+          ProxyPass        "unix://${socketsDir}/%{folderName}.sock|http://localhost-%{folderName}/"
+          ProxyPassReverse "unix://${socketsDir}/%{folderName}.sock|http://localhost-%{folderName}/"
+          ProxyPassReverse http://${fqdn}/
+
+          SetOutputFilter Sed
+          OutputSed   "s|/ajax|/taskweb/%{folderName}/ajax|g"
+          OutputSed   "s|\([^x]\)/tasks|\1/taskweb/%{folderName}/tasks|g"
+          OutputSed   "s|\([^x]\)/projects|\1/taskweb/%{folderName}/projects|g"
+          OutputSed   "s|http://${fqdn}/|/taskweb/%{folderName}/|g"
+          OutputSed   "s|/img/relax.jpg|/taskweb/%{folderName}/img/relax.jpg|g"
+        </Macro>
+        ''
+        ''
+        Alias /taskweb ${taskwebPages}
+        <Directory "${taskwebPages}">
+          DirectoryIndex index.html
+          Require all granted
+        </Directory>
+
+        RewriteEngine on
+        RewriteRule ^/taskweb$ /taskweb/ [R=301,L]
+        RedirectMatch permanent ^/taskweb/([^/]+)$ /taskweb/$1/
+
+        RewriteCond %{LA-U:REMOTE_USER} !=""
+        RewriteCond ${taskwebPages}/%{LA-U:REMOTE_USER}.html -f
+        RewriteRule ^/taskweb/?$ ${taskwebPages}/%{LA-U:REMOTE_USER}.html [L]
+
+        <Location /taskweb/>
+          Use LDAPConnect
+          Require ldap-group cn=users,cn=taskwarrior,ou=services,dc=immae,dc=eu
+        </Location>
+        ''
+      ] ++ (lib.attrsets.mapAttrsToList (k: v: ''
+        <Location /taskweb/${k}/>
+          ${builtins.concatStringsSep "\n" (map (uid: "Require ldap-attribute   uid=${uid}") v.uid)}
+
+          Use Taskwarrior ${k}
+        </Location>
+        '') env.taskwarrior-web);
+    };
+    services.phpfpm.pools = {
+      tasks = {
+        user = user;
+        group = group;
+        settings = {
+          "listen.owner" = "wwwrun";
+          "listen.group" = "wwwrun";
+          "pm" = "dynamic";
+          "pm.max_children" = "60";
+          "pm.start_servers" = "2";
+          "pm.min_spare_servers" = "1";
+          "pm.max_spare_servers" = "10";
+
+          # Needed to avoid clashes in browser cookies (same domain)
+          "php_value[session.name]" = "TaskPHPSESSID";
+          "php_admin_value[session.save_handler]" = "redis";
+          "php_admin_value[session.save_path]" = "'unix:///run/redis-php-sessions/redis.sock?persistent=1&prefix=Tools:Task:'";
+          "php_admin_value[open_basedir]" = "${./www}:/tmp:${server_vardir}:/etc/profiles/per-user/${user}/bin/";
+        };
+        phpEnv = {
+          PATH = "/etc/profiles/per-user/${user}/bin";
+        };
+        phpPackage = pkgs.php72.withExtensions({ enabled, all }: enabled ++ [ all.redis ]);
+      };
+    };
+
+    security.acme.certs."task" = {
+      inherit group;
+      domain = fqdn;
+      postRun = ''
+        systemctl restart taskserver.service
+      '';
+    };
+
+    users.users.${user} = {
+      extraGroups = [ "keys" ];
+      packages = [ taskserver-user-certs ];
+    };
+
+    system.activationScripts.taskserver = {
+      deps = [ "users" ];
+      text = ''
+        install -m 0750 -o ${user} -g ${group} -d ${server_vardir}
+        install -m 0750 -o ${user} -g ${group} -d ${server_vardir}/userkeys
+        install -m 0750 -o ${user} -g ${group} -d ${server_vardir}/keys
+
+        if [ ! -e "${server_vardir}/keys/ca.key" ]; then
+          silent_certtool() {
+            if ! output="$("${pkgs.gnutls.bin}/bin/certtool" "$@" 2>&1)"; then
+              echo "GNUTLS certtool invocation failed with output:" >&2
+              echo "$output" >&2
+            fi
+          }
+
+          silent_certtool -p \
+            --bits 4096 \
+            --outfile "${server_vardir}/keys/ca.key"
+
+          silent_certtool -s \
+            --template "${pkgs.writeText "taskserver-ca.template" ''
+              cn = ${fqdn}
+              expiration_days = -1
+              cert_signing_key
+              ca
+            ''}" \
+            --load-privkey "${server_vardir}/keys/ca.key" \
+            --outfile "${server_vardir}/keys/ca.cert"
+
+          chown :${group} "${server_vardir}/keys/ca.key"
+          chmod g+r "${server_vardir}/keys/ca.key"
+        fi
+      '';
+    };
+
+    services.taskserver = {
+      enable = true;
+      allowedClientIDs = [ "^task [2-9]" "^Mirakel [1-9]" ];
+      inherit fqdn;
+      listenHost = "::";
+      pki.manual.ca.cert = "${server_vardir}/keys/ca.cert";
+      pki.manual.server.cert = "${config.security.acme.certs.task.directory}/fullchain.pem";
+      pki.manual.server.crl = "${config.security.acme.certs.task.directory}/invalid.crl";
+      pki.manual.server.key = "${config.security.acme.certs.task.directory}/key.pem";
+      requestLimit = 104857600;
+    };
+
+    system.activationScripts.taskwarrior-web = {
+      deps = [ "users" ];
+      text = ''
+        if [ ! -f ${server_vardir}/userkeys/taskwarrior-web.cert.pem ]; then
+          ${taskserver-user-certs}/bin/taskserver-user-certs taskwarrior-web
+          chown taskd:taskd ${server_vardir}/userkeys/taskwarrior-web.cert.pem ${server_vardir}/userkeys/taskwarrior-web.key.pem
+        fi
+      '';
+    };
+
+    systemd.slices.taskwarrior = {
+      description = "Taskwarrior slice";
+    };
+
+    systemd.services = (lib.attrsets.mapAttrs' (name: userConfig:
+      lib.attrsets.nameValuePair "taskwarrior-web-${name}" {
+        description = "Taskwarrior webapp for ${name}";
+        wantedBy = [ "multi-user.target" ];
+        after = [ "network.target" ];
+        path = [ pkgs.taskwarrior ];
+
+        environment.TASKRC = config.secrets.fullPaths."webapps/tools-taskwarrior/${name}-taskrc";
+        environment.BUNDLE_PATH = "${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}";
+        environment.BUNDLE_GEMFILE = "${taskwarrior-web.gems.confFiles}/Gemfile";
+        environment.LC_ALL = "fr_FR.UTF-8";
+
+        script = ''
+          exec ${taskwarrior-web.gems}/${taskwarrior-web.gems.ruby.gemPath}/bin/bundle exec thin start -R config.ru -S ${socketsDir}/${name}.sock
+        '';
+
+        serviceConfig = {
+          Slice = "taskwarrior.slice";
+          User = user;
+          PrivateTmp = true;
+          Restart = "always";
+          TimeoutSec = 60;
+          Type = "simple";
+          WorkingDirectory = taskwarrior-web;
+          StateDirectoryMode = 0750;
+          StateDirectory = assert lib.strings.hasPrefix "/var/lib/" varDir;
+            (lib.strings.removePrefix "/var/lib/" varDir + "/${name}");
+          RuntimeDirectoryPreserve = "yes";
+          RuntimeDirectory = assert lib.strings.hasPrefix "/run/" socketsDir;
+            lib.strings.removePrefix "/run/" socketsDir;
+        };
+
+        unitConfig.RequiresMountsFor = varDir;
+      }) env.taskwarrior-web) // {
+        taskserver-ca.postStart = ''
+          chown :${group} "${server_vardir}/keys/ca.key"
+          chmod g+r "${server_vardir}/keys/ca.key"
+        '';
+        taskserver-ca.serviceConfig.Slice = "taskwarrior.slice";
+        taskserver-init.serviceConfig.Slice = "taskwarrior.slice";
+        taskserver.serviceConfig.Slice = "taskwarrior.slice";
+      };
+
+  };
+}