src/plugins/mailman.sml

   1 (* HCoop Domtool (http://hcoop.sourceforge.net/)
   2  * Copyright (c) 2006, Adam Chlipala
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  *)
  18
  19 (* Mailman mailing list handling *)
  20
  21 structure Mailman :> MAILMAN = struct
  22
  23 open Ast
  24
  25 val () = Env.type_one "mailman_node"
  26                       Env.string
  27                       (fn node => Apache.webNode node orelse node = Config.Mailman.node)
  28
  29 val dl = ErrorMsg.dummyLoc
  30
  31 val () = Env.registerFunction ("mailman_node",
  32                                fn [] => SOME (EString Config.Mailman.node, dl)
  33                                 | _ => NONE)
  34
  35 val () = Env.registerFunction ("mailman_node_to_node",
  36                             fn [e] => SOME e
  37                              | _ => NONE)
  38
  39 fun mailmanPlace (EApp ((EVar "mailman_place_default", _), (EString node, _)), _) =
  40     SOME (node, Domain.nodeIp node)
  41   | mailmanPlace (EApp ((EApp ((EVar "mailman_place", _), (EString node, _)), _), (EString ip, _)), _) =
  42     SOME (node, ip)
  43   | mailmanPlace _ = NONE
  44
  45 fun mailmanPlaceDefault node = (EApp ((EVar "mailman_place_default", dl), (EString node, dl)), dl)
  46
  47 val _ = Env.registerFunction ("mailman_place_to_web_node",
  48                               fn [e] => Option.map (fn (node, _) => (EString node, dl)) (mailmanPlace e)
  49                                | _ => NONE)
  50
  51 val _ = Env.registerFunction ("mailman_place_to_node",
  52                               fn [e] => Option.map (fn (node, _) => (EString node, dl)) (mailmanPlace e)
  53                                | _ => NONE)
  54
  55 val _ = Env.registerFunction ("mailman_place_to_ip",
  56                               fn [e] => Option.map (fn (_, ip) => (EString ip, dl)) (mailmanPlace e)
  57                                | _ => NONE)
  58
  59 val () = Defaults.registerDefault
  60              ("MailmanPlaces",
  61               (TList (TBase "mailman_place", dl), dl),
  62               (fn () => (EList [mailmanPlaceDefault Config.Mailman.node], dl)))
  63
  64 val files = ref ([] : TextIO.outstream list)
  65 val write = ref (fn _ : string => ())
  66
  67 val () = Env.action_one "mailmanWebHost"
  68                         ("hostname", Env.string)
  69                         (fn host =>
  70                             let
  71                                 val {write, writeDom, close} = Domain.domainsFile {node = Config.Mailman.node,
  72                                                                                    name = "mailman"}
  73                             in
  74                                 write "\t'";
  75                                 write host;
  76                                 write "' : '";
  77                                 writeDom ();
  78                                 write "',\n";
  79                                 close ()
  80                             end)
  81
  82 val () = Env.actionV_one "mailmanVhost"
  83          ("host", Env.string)
  84          (fn (env, host) =>
  85              let
  86                  val places = Env.env (Env.list mailmanPlace) (env, "MailmanPlaces")
  87
  88                  val ssl = Env.env Apache.ssl (env, "SSL")
  89                  val user = Env.env Env.string (env, "User")
  90
  91                  val fullHost = host ^ "." ^ Domain.currentDomain ()
  92                  val vhostId = fullHost ^ (if Option.isSome ssl then ".ssl" else "")
  93                  val confFile = fullHost ^ (if Option.isSome ssl then ".vhost_ssl" else ".vhost")
  94              in
  95                  app (fn (node, ip) =>
  96                          let
  97                              val file = Domain.domainFile {node = node,
  98                                                            name = confFile}
  99                              fun print s = TextIO.output (file, s)
 100
 101                              val ld = Apache.logDir {user = user, node = node, vhostId = vhostId}
 102                          in
 103                              print "# Owner: ";
 104                              print user;
 105                              print "\n";
 106                              print "<VirtualHost ";
 107                              print ip;
 108                              print ":";
 109                              print (case ssl of
 110                                         SOME _ => "443"
 111                                       | NONE => "80");
 112                              print ">\n";
 113                              print "    ServerName ";
 114                              print host;
 115                              print ".";
 116                              print (Domain.currentDomain ());
 117                              print "\n";
 118                              print "    ServerAdmin ";
 119                              print user;
 120                              print "@hcoop.net\n";
 121                              print "    SuexecUserGroup list list\n";
 122                              print "\n";
 123                              print "    ErrorLog ";
 124                              print ld;
 125                              print "/error.log\n";
 126                              print "    CustomLog ";
 127                              print ld;
 128                              print "/access.log combined\n";
 129                              print "\n";
 130                              print "    RewriteEngine on\n";
 131                              print "\n";
 132                              print "    # Default to showing listinfo page\n";
 133                              print "    RewriteRule ^/$ http://";
 134                              print fullHost;
 135                              print "/listinfo/\n";
 136                              print "\n";
 137                              print "    Alias /images/mailman /usr/share/images/mailman\n";
 138                              print "    Alias /pipermail /var/lib/mailman/archives/public\n";
 139                              print "\n";
 140                              print "    DocumentRoot /usr/lib/cgi-bin/mailman\n";
 141                              print "    <Directory /usr/lib/cgi-bin/mailman>\n";
 142                              print "        AllowOverride None\n";
 143                              print "        Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch\n";
 144                              print "        ForceType cgi-script\n";
 145                              print "        Order allow,deny\n";
 146                              print "        Allow from all\n";
 147                              print "    </Directory>\n";
 148                              print "\n";
 149                              print "    <Directory /usr/share/doc/mailman>\n";
 150                              print "        Order allow,deny\n";
 151                              print "        Allow from all\n";
 152                              print "    </Directory>\n";
 153
 154                              Apache.doPre {user = user, nodes = map #1 places, id = vhostId, hostname = fullHost};
 155
 156                              print "</VirtualHost>\n";
 157
 158                              TextIO.closeOut file;
 159
 160                              Apache.doPost ()
 161                          end) places
 162              end)
 163
 164 val mailmanChanged = ref false
 165
 166 val () = Slave.registerPreHandler (fn () => mailmanChanged := false)
 167
 168 val () = Slave.registerFileHandler (fn fs =>
 169                                        let
 170                                            val spl = OS.Path.splitDirFile (#file fs)
 171                                        in
 172                                            case #file spl of
 173                                                "mailman" => mailmanChanged := true
 174                                              | _ => ()
 175                                        end)
 176
 177 val () = Slave.registerPostHandler (fn () =>
 178                                        if !mailmanChanged then
 179                                            (Slave.concatTo (fn s => s = "mailman")
 180                                                            Config.Mailman.mapFile;
 181                                             Slave.enumerateTo (fn s => s = "mailman") ":"
 182                                                               Config.Mailman.handleDomains;
 183                                                               Slave.shellF ([Config.Mailman.reload],
 184                                                        fn cl => "Error reloading Mailman with " ^ cl))
 185                                        else
 186                                            ())
 187
 188 val () = Domain.registerDescriber (Domain.considerAll
 189                                    [Domain.Filename {filename = "mailman",
 190                                                      heading = "Mailman web host mapping:",
 191                                                      showEmpty = false}])
 192
 193 end