1 (* HCoop
Domtool (http
://hcoop
.sourceforge
.net
/)
2 * Copyright (c
) 2006, Adam Chlipala
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
.
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
.
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
.
19 (* Configuring e
-mail aliases
*)
21 structure Alias
:> ALIAS
= struct
25 structure SM
= DataStructures
.StringMap
27 val aliases
: TextIO.outstream SM
.map ref
= ref SM
.empty
28 fun aliasesF node
= valOf (SM
.find (!aliases
, node
))
30 val aliasesD
: TextIO.outstream SM
.map ref
= ref SM
.empty
31 fun aliasesDF node
= valOf (SM
.find (!aliasesD
, node
))
35 val files
= map (fn node
=> aliasesF node
) nodes
37 fn s
=> app (fn file
=> TextIO.output (file
, s
)) files
42 val files
= map (fn node
=> aliasesDF node
) nodes
44 fn s
=> app (fn file
=> TextIO.output (file
, s
)) files
47 fun openInAll base
= foldl (fn (node
, r
) =>
50 Domain
.domainFile
{node
= node
, name
= base
}))
53 val _
= Domain
.registerBefore
54 (fn _
=> (aliases
:= openInAll
"aliases";
55 aliasesD
:= openInAll
"aliases.default"))
57 val _
= Domain
.registerAfter
58 (fn _
=> (SM
.app
TextIO.closeOut (!aliases
);
59 SM
.app
TextIO.closeOut (!aliasesD
)))
61 fun validEmailUser s
=
62 size s
> 0 andalso size s
< 50
63 andalso CharVector
.all (fn ch
=> Char.isAlphaNum ch
69 val _
= Env
.type_one
"emailUser"
74 case String.fields (fn ch
=> ch
= #
"@") s
of
75 [user
] => validEmailUser user
76 |
[user
, host
] => validEmailUser user
andalso Domain
.validDomain host
79 val _
= Env
.type_one
"email"
83 datatype aliasSource
=
88 val source
= fn (EApp ((EVar
"userSource", _
), e
), _
) =>
89 Option
.map
User (Env
.string e
)
90 |
(EVar
"defaultSource", _
) => SOME Default
91 |
(EVar
"catchAllSource", _
) => SOME CatchAll
94 datatype aliasTarget
=
96 | Addresses
of string list
99 val target
= fn (EApp ((EVar
"addressTarget", _
), e
), _
) =>
100 Option
.map
Address (Env
.string e
)
101 |
(EApp ((EVar
"addressesTarget", _
), e
), _
) =>
102 Option
.map
Addresses (Env
.list Env
.string e
)
103 |
(EVar
"dropTarget", _
) => SOME Drop
108 val (prefix
, suffix
) = Substring
.splitl (fn ch
=> ch
<> #
"@") (Substring
.full s
)
110 if Substring
.size suffix
= 0 then
116 fun writeSource (env
, s
, t
) =
118 val nodes
= Env
.env (Env
.list Env
.string) (env
, "MailNodes")
120 val write
= write nodes
121 val writeD
= writeD nodes
123 fun writeTarget (writer
, t
) =
125 Address s
=> writer (localhostify s
)
126 | Addresses
[] => writer
"!"
127 | Addresses ss
=> writer (String.concatWith
"," (map localhostify ss
))
133 write (Domain
.currentDomain ());
135 writeTarget (write
, t
);
137 | Default
=> (write
"*@";
138 write (Domain
.currentDomain ());
140 writeTarget (write
, t
);
142 | CatchAll
=> (writeD
"*@";
143 writeD (Domain
.currentDomain ());
145 writeTarget (writeD
, t
);
149 val _
= Env
.actionV_two
"aliasPrim"
150 ("from", source
, "to", target
)