summary refs log tree commit diff
path: root/nixos/modules/services/mail/roundcube.nix
blob: 0bb0eaedad5007efae85cbc1f7bd81742f4c8c09 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
{ lib, config, pkgs, ... }:

with lib;

let
  cfg = config.services.roundcube;
  fpm = config.services.phpfpm.pools.roundcube;
  localDB = cfg.database.host == "localhost";
  user = cfg.database.username;
in
{
  options.services.roundcube = {
    enable = mkOption {
      type = types.bool;
      default = false;
      description = ''
        Whether to enable roundcube.

        Also enables nginx virtual host management.
        Further nginx configuration can be done by adapting <literal>services.nginx.virtualHosts.&lt;name&gt;</literal>.
        See <xref linkend="opt-services.nginx.virtualHosts"/> for further information.
      '';
    };

    hostName = mkOption {
      type = types.str;
      example = "webmail.example.com";
      description = "Hostname to use for the nginx vhost";
    };

    package = mkOption {
      type = types.package;
      default = pkgs.roundcube;

      example = literalExample ''
        roundcube.withPlugins (plugins: [ plugins.persistent_login ])
      '';

      description = ''
        The package which contains roundcube's sources. Can be overriden to create
        an environment which contains roundcube and third-party plugins.
      '';
    };

    database = {
      username = mkOption {
        type = types.str;
        default = "roundcube";
        description = ''
          Username for the postgresql connection.
          If <literal>database.host</literal> is set to <literal>localhost</literal>, a unix user and group of the same name will be created as well.
        '';
      };
      host = mkOption {
        type = types.str;
        default = "localhost";
        description = ''
          Host of the postgresql server. If this is not set to
          <literal>localhost</literal>, you have to create the
          postgresql user and database yourself, with appropriate
          permissions.
        '';
      };
      password = mkOption {
        type = types.str;
        description = "Password for the postgresql connection. Do not use: the password will be stored world readable in the store; use <literal>passwordFile</literal> instead.";
        default = "";
      };
      passwordFile = mkOption {
        type = types.str;
        description = "Password file for the postgresql connection. Must be readable by user <literal>nginx</literal>. Ignored if <literal>database.host</literal> is set to <literal>localhost</literal>, as peer authentication will be used.";
      };
      dbname = mkOption {
        type = types.str;
        default = "roundcube";
        description = "Name of the postgresql database";
      };
    };

    plugins = mkOption {
      type = types.listOf types.str;
      default = [];
      description = ''
        List of roundcube plugins to enable. Currently, only those directly shipped with Roundcube are supported.
      '';
    };

    extraConfig = mkOption {
      type = types.lines;
      default = "";
      description = "Extra configuration for roundcube webmail instance";
    };
  };

  config = mkIf cfg.enable {
    # backward compatibility: if password is set but not passwordFile, make one.
    services.roundcube.database.passwordFile = mkIf (!localDB && cfg.database.password != "") (mkDefault ("${pkgs.writeText "roundcube-password" cfg.database.password}"));
    warnings = lib.optional (!localDB && cfg.database.password != "") "services.roundcube.database.password is deprecated and insecure; use services.roundcube.database.passwordFile instead";

    environment.etc."roundcube/config.inc.php".text = ''
      <?php

      ${lib.optionalString (!localDB) "$password = file_get_contents('${cfg.database.passwordFile}');"}

      $config = array();
      $config['db_dsnw'] = 'pgsql://${cfg.database.username}${lib.optionalString (!localDB) ":' . $password . '"}@${if localDB then "unix(/run/postgresql)" else cfg.database.host}/${cfg.database.dbname}';
      $config['log_driver'] = 'syslog';
      $config['max_message_size'] = '25M';
      $config['plugins'] = [${concatMapStringsSep "," (p: "'${p}'") cfg.plugins}];
      $config['des_key'] = file_get_contents('/var/lib/roundcube/des_key');
      $config['mime_types'] = '${pkgs.nginx}/conf/mime.types';
      ${cfg.extraConfig}
    '';

    services.nginx = {
      enable = true;
      virtualHosts = {
        ${cfg.hostName} = {
          forceSSL = mkDefault true;
          enableACME = mkDefault true;
          locations."/" = {
            root = cfg.package;
            index = "index.php";
            extraConfig = ''
              location ~* \.php$ {
                fastcgi_split_path_info ^(.+\.php)(/.+)$;
                fastcgi_pass unix:${fpm.socket};
                include ${pkgs.nginx}/conf/fastcgi_params;
                include ${pkgs.nginx}/conf/fastcgi.conf;
              }
            '';
          };
        };
      };
    };

    services.postgresql = mkIf localDB {
      enable = true;
      ensureDatabases = [ cfg.database.dbname ];
      ensureUsers = [ {
        name = cfg.database.username;
        ensurePermissions = {
          "DATABASE ${cfg.database.username}" = "ALL PRIVILEGES";
        };
      } ];
    };

    users.users.${user} = mkIf localDB {
      group = user;
      isSystemUser = true;
      createHome = false;
    };
    users.groups.${user} = mkIf localDB {};

    services.phpfpm.pools.roundcube = {
      user = if localDB then user else "nginx";
      phpOptions = ''
        error_log = 'stderr'
        log_errors = on
        post_max_size = 25M
        upload_max_filesize = 25M
      '';
      settings = mapAttrs (name: mkDefault) {
        "listen.owner" = "nginx";
        "listen.group" = "nginx";
        "listen.mode" = "0660";
        "pm" = "dynamic";
        "pm.max_children" = 75;
        "pm.start_servers" = 2;
        "pm.min_spare_servers" = 1;
        "pm.max_spare_servers" = 20;
        "pm.max_requests" = 500;
        "catch_workers_output" = true;
      };
    };
    systemd.services.phpfpm-roundcube.after = [ "roundcube-setup.service" ];

    systemd.services.roundcube-setup = mkMerge [
      (mkIf (cfg.database.host == "localhost") {
        requires = [ "postgresql.service" ];
        after = [ "postgresql.service" ];
        path = [ config.services.postgresql.package ];
      })
      {
        wantedBy = [ "multi-user.target" ];
        script = let
          psql = "${lib.optionalString (!localDB) "PGPASSFILE=${cfg.database.passwordFile}"} ${pkgs.postgresql}/bin/psql ${lib.optionalString (!localDB) "-h ${cfg.database.host} -U ${cfg.database.username} "} ${cfg.database.dbname}";
        in
        ''
          version="$(${psql} -t <<< "select value from system where name = 'roundcube-version';" || true)"
          if ! (grep -E '[a-zA-Z0-9]' <<< "$version"); then
            ${psql} -f ${cfg.package}/SQL/postgres.initial.sql
          fi

          if [ ! -f /var/lib/roundcube/des_key ]; then
            base64 /dev/urandom | head -c 24 > /var/lib/roundcube/des_key;
            # we need to log out everyone in case change the des_key
            # from the default when upgrading from nixos 19.09
            ${psql} <<< 'TRUNCATE TABLE session;'
          fi

          ${pkgs.php}/bin/php ${cfg.package}/bin/update.sh
        '';
        serviceConfig = {
          Type = "oneshot";
          StateDirectory = "roundcube";
          User = if localDB then user else "nginx";
          # so that the des_key is not world readable
          StateDirectoryMode = "0700";
        };
      }
    ];
  };
}