[hcoop/domtool2.git] / src / plugins / apache.sml

(* HCoop Domtool (http://hcoop.sourceforge.net/)
 * Copyright (c) 2006, Adam Chlipala
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *)

(* Apache HTTPD handling *)

structure Apache :> APACHE = struct

open Ast

val _ = Env.type_one "proxy_port"
	Env.int
	(fn n => n > 1024)

val _ = Env.type_one "proxy_target"
	Env.string
	(fn s =>
	    let
		fun default () = List.exists (fn s' => s = s') Config.Apache.proxyTargets
	    in
		case String.fields (fn ch => ch = #":") s of
		    ["http", "//localhost", rest] =>
		    (case String.fields (fn ch => ch = #"/") rest of
			 port :: _ =>
			 (case Int.fromString port of
			      NONE => default ()
			    | SOME n => n > 1024 orelse default ())
		       | _ => default ())
		  | _ => default ()
	    end)

val _ = Env.type_one "rewrite_arg"
	Env.string
	(CharVector.all Char.isAlphaNum)

fun validLocation s =
    size s > 0 andalso size s < 1000 andalso CharVector.all
						 (fn ch => Char.isAlphaNum ch
							   orelse ch = #"-"
							   orelse ch = #"_"
							   orelse ch = #"."
							   orelse ch = #"/") s

val _ = Env.type_one "location"
	Env.string
	validLocation

val dl = ErrorMsg.dummyLoc

val _ = Main.registerDefault ("WebNodes",
			      (TList (TBase "node", dl), dl),
			      (fn () => (EList (map (fn s => (EString s, dl)) Config.Apache.webNodes), dl)))

val _ = Main.registerDefault ("SSL",
			      (TBase "bool", dl),
			      (fn () => (EVar "false", dl)))

val _ = Main.registerDefault ("User",
			      (TBase "your_user", dl),
			      (fn () => (EString (Domain.getUser ()), dl)))

val _ = Main.registerDefault ("Group",
			      (TBase "your_group", dl),
			      (fn () => (EString (Domain.getUser ()), dl)))

val _ = Main.registerDefault ("DocumentRoot",
			      (TBase "your_path", dl),
			      (fn () => (EString ("/home/" ^ Domain.getUser () ^ "/public_html"), dl)))

val _ = Main.registerDefault ("ServerAdmin",
			      (TBase "email", dl),
			      (fn () => (EString (Domain.getUser () ^ "@" ^ Config.defaultDomain), dl)))


val redirect_code = fn (EVar "temp", _) => SOME "temp"
		     | (EVar "permanent", _) => SOME "permanent"
		     | (EVar "seeother", _) => SOME "seeother"
		     | (EVar "redir300", _) => SOME "300"
		     | (EVar "redir301", _) => SOME "301"
		     | (EVar "redir302", _) => SOME "302"
		     | (EVar "redir303", _) => SOME "303"
		     | (EVar "redir304", _) => SOME "304"
		     | (EVar "redir305", _) => SOME "305"
		     | (EVar "redir307", _) => SOME "307"
		     | _ => NONE

val flag = fn (EVar "redirect", _) => SOME "R"
	    | (EVar "forbidden", _) => SOME "F"
	    | (EVar "gone", _) => SOME "G"
	    | (EVar "last", _) => SOME "L"
	    | (EVar "chain", _) => SOME "C"
	    | (EVar "nosubreq", _) => SOME "NS"
	    | (EVar "nocase", _) => SOME "NC"
	    | (EVar "qsappend", _) => SOME "QSA"
	    | (EVar "noescape", _) => SOME "NE"
	    | (EVar "passthrough", _) => SOME "PT"
	    | (EApp ((EVar "mimeType", _), e), _) =>
	      Option.map (fn s => "T=" ^ s) (Env.string e)
	    | (EApp ((EVar "redirectWith", _), e), _) =>
	      Option.map (fn s => "R=" ^ s) (redirect_code e)
	    | (EApp ((EVar "skip", _), e), _) =>
	      Option.map (fn n => "S=" ^ Int.toString n) (Env.int e)
	    | (EApp ((EApp ((EVar "env", _), e1), _), e2), _) =>
	      (case Env.string e1 of
		   NONE => NONE
		 | SOME s1 => Option.map (fn s2 => "E=" ^ s1 ^ ":" ^ s2)
					 (Env.string e2))

	    | _ => NONE

val cond_flag = fn (EVar "cond_nocase", _) => SOME "NC"
	    | (EVar "ornext", _) => SOME "OR"
	    | _ => NONE

val apache_option = fn (EVar "execCGI", _) => SOME "ExecCGI"
		     | (EVar "includesNOEXEC", _) => SOME "IncludesNOEXEC"
		     | (EVar "indexes", _) => SOME "Indexes"
		     | _ => NONE


val vhostsChanged = ref false

val () = Slave.registerPreHandler
	     (fn () => vhostsChanged := false)

val () = Slave.registerFileHandler (fn fs =>
				       let
					   val spl = OS.Path.splitDirFile (#file fs)
				       in
					   if String.isSuffix ".vhost" (#file spl)
					      orelse String.isSuffix ".vhost_ssl" (#file spl) then
					       (vhostsChanged := true;
						case #action fs of
						    Slave.Delete =>
						    ignore (OS.Process.system (Config.rm
									       ^ " -rf "
									       ^ Config.Apache.confDir
									       ^ "/"
									       ^ #file spl))
						  | _ =>
						    ignore (OS.Process.system (Config.cp
									       ^ " "
									       ^ #file fs
									       ^ " "
									       ^ Config.Apache.confDir
									       ^ "/"
									       ^ #file spl)))
					   else
					       ()
				       end)

val () = Slave.registerPostHandler
	 (fn () =>
	     (if !vhostsChanged then
		  Slave.shellF ([Config.Apache.reload],
				fn cl => "Error reloading Apache with " ^ cl)
	      else
		  ()))

val vhostFiles : TextIO.outstream list ref = ref []
fun write s = app (fn file => TextIO.output (file, s)) (!vhostFiles)

val rewriteEnabled = ref false

val () = Env.containerV_one "vhost"
	 ("host", Env.string)
	 (fn (env, host) =>
	     let
		 val nodes = Env.env (Env.list Env.string) (env, "WebNodes")

		 val ssl = Env.env Env.bool (env, "SSL")
		 val user = Env.env Env.string (env, "User")
		 val group = Env.env Env.string (env, "Group")
		 val docroot = Env.env Env.string (env, "DocumentRoot")
		 val sadmin = Env.env Env.string (env, "ServerAdmin")

		 val fullHost = host ^ "." ^ Domain.currentDomain ()
		 val confFile = fullHost ^ (if ssl then ".vhost_ssl" else ".vhost")
	     in
		 rewriteEnabled := false;
		 vhostFiles := map (fn node =>
				       let
					   val file = Domain.domainFile {node = node,
									 name = confFile}
				       in
					   TextIO.output (file, "<VirtualHost ");
					   TextIO.output (file, Domain.nodeIp node);
					   TextIO.output (file, ":");
					   TextIO.output (file, if ssl then
								    "443"
								else
								    "80");
					   TextIO.output (file, ">\n");
					   file
				       end)
				   nodes;
		 write "\tServerName ";
		 write fullHost;
		 write "\n\tSuexecUserGroup ";
		 write user;
		 write " ";
		 write group;
		 write "\n\tDocumentRoot ";
		 write docroot;
		 write "\n\tServerAdmin ";
		 write sadmin;
		 write "\n"
	     end,
	  fn () => (write "</VirtualHost>\n";
		    app TextIO.closeOut (!vhostFiles)))

val () = Env.container_one "location"
	 ("prefix", Env.string)
	 (fn prefix =>
	     (write "\t<Location ";
	      write prefix;
	      write ">\n"),
	  fn () => write "\t</Location>\n")

val () = Env.container_one "directory"
	 ("directory", Env.string)
	 (fn directory =>
	     (write "\t<Directory ";
	      write directory;
	      write ">\n"),
	  fn () => write "\t</Directory>\n")

fun checkRewrite () =
    if !rewriteEnabled then
	()
    else
	(write "\tRewriteEngine on\n";
	 rewriteEnabled := true)

val () = Env.action_three "localProxyRewrite"
	 ("from", Env.string, "to", Env.string, "port", Env.int)
	 (fn (from, to, port) =>
	     (checkRewrite ();
	      write "\tRewriteRule\t";
	      write from;
	      write "\thttp://localhost:";
	      write (Int.toString port);
	      write "/";
	      write to;
	      write " [P]\n"))

val () = Env.action_two "proxyPass"
	 ("from", Env.string, "to", Env.string)
	 (fn (from, to) =>
		 (write "\tProxyPass\t";
		  write from;
		  write "\t";
		  write to;
		  write "\n"))

val () = Env.action_two "proxyPassReverse"
	 ("from", Env.string, "to", Env.string)
	 (fn (from, to) =>
		 (write "\tProxyPassReverse\t";
		  write from;
		  write "\t";
		  write to;
		  write "\n"))

val () = Env.action_three "rewriteRule"
	 ("from", Env.string, "to", Env.string, "flags", Env.list flag)
	 (fn (from, to, flags) =>
	     (checkRewrite ();
	      write "\tRewriteRule\t";
	      write from;
	      write "\t";
	      write to;
	      case flags of
		  [] => ()
		| flag::rest => (write " [";
				 write flag;
				 app (fn flag => (write ",";
						  write flag)) rest;
				 write "]");
	      write "\n"))

val () = Env.action_three "rewriteCond"
	 ("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
	 (fn (from, to, flags) =>
	     (checkRewrite ();
	      write "\tRewriteCond\t";
	      write from;
	      write "\t";
	      write to;
	      case flags of
		  [] => ()
		| flag::rest => (write " [";
				 write flag;
				 app (fn flag => (write ",";
						  write flag)) rest;
				 write "]");
	      write "\n"))

val () = Env.action_two "alias"
	 ("from", Env.string, "to", Env.string)
	 (fn (from, to) =>
	     (write "\tAlias\t";
	      write from;
	      write " ";
	      write to;
	      write "\n"))

val () = Env.action_two "scriptAlias"
	 ("from", Env.string, "to", Env.string)
	 (fn (from, to) =>
	     (write "\tScriptAlias\t";
	      write from;
	      write " ";
	      write to;
	      write "\n"))

val () = Env.action_two "errorDocument"
	 ("code", Env.string, "handler", Env.string)
	 (fn (code, handler) =>
	     (write "\tErrorDocument\t";
	      write code;
	      write " ";
	      write handler;
	      write "\n"))

val () = Env.action_one "options"
	 ("options", Env.list apache_option)
	 (fn opts =>
	     case opts of
		 [] => ()
	       | _ => (write "\tOptions";
		       app (fn opt => (write " "; write opt)) opts;
		       write "\n"))

val () = Env.action_one "set_options"
	 ("options", Env.list apache_option)
	 (fn opts =>
	     case opts of
		 [] => ()
	       | _ => (write "\tOptions";
		       app (fn opt => (write " +"; write opt)) opts;
		       write "\n"))

val () = Env.action_one "unset_options"
	 ("options", Env.list apache_option)
	 (fn opts =>
	     case opts of
		 [] => ()
	       | _ => (write "\tOptions";
		       app (fn opt => (write " -"; write opt)) opts;
		       write "\n"))

val () = Env.action_one "directoryIndex"
	 ("filenames", Env.list Env.string)
	 (fn opts =>
	     (write "\tDirectoryIndex";
	      app (fn opt => (write " "; write opt)) opts;
	      write "\n"))

val () = Env.action_one "serverAlias"
	 ("host", Env.string)
	 (fn host =>
	     (write "\tServerAlias ";
	      write host;
	      write "\n"))

val authType = fn (EVar "basic", _) => SOME "basic"
		| (EVar "digest", _) => SOME "digest"
		| _ => NONE

val () = Env.action_one "authType"
	 ("type", authType)
	 (fn ty =>
	     (write "\tAuthType ";
	      write ty;
	      write "\n"))

val () = Env.action_one "authName"
	 ("name", Env.string)
	 (fn name =>
	     (write "\tAuthName \"";
	      write name;
	      write "\"\n"))

val () = Env.action_one "authUserFile"
	 ("file", Env.string)
	 (fn name =>
	     (write "\tAuthUserFile ";
	      write name;
	      write "\n"))

val () = Env.action_none "requireValidUser"
	 (fn () => write "\tRequire valid-user\n")

val () = Env.action_one "requireUser"
	 ("users", Env.list Env.string)
	 (fn names =>
	     case names of
		 [] => ()
	       | _ => (write "\tRequire user";
		       app (fn name => (write " "; write name)) names;
		       write "\n"))

val () = Env.action_one "requireGroup"
	 ("groups", Env.list Env.string)
	 (fn names =>
	     case names of
		 [] => ()
	       | _ => (write "\tRequire group";
		       app (fn name => (write " "; write name)) names;
		       write "\n"))

val () = Env.action_none "orderAllowDeny"
	 (fn () => write "\tOrder allow,deny\n")

val () = Env.action_none "orderDenyAllow"
	 (fn () => write "\tOrder deny,allow\n")

val () = Env.action_none "allowFromAll"
	 (fn () => write "\tAllow from all\n")

val () = Env.action_one "allowFrom"
	 ("entries", Env.list Env.string)
	 (fn names =>
	     case names of
		 [] => ()
	       | _ => (write "\tAllow from";
		       app (fn name => (write " "; write name)) names;
		       write "\n"))

val () = Env.action_none "denyFromAll"
	 (fn () => write "\tDeny from all\n")

val () = Env.action_one "denyFrom"
	 ("entries", Env.list Env.string)
	 (fn names =>
	     case names of
		 [] => ()
	       | _ => (write "\tDeny from";
		       app (fn name => (write " "; write name)) names;
		       write "\n"))

val () = Env.action_none "satisfyAll"
	 (fn () => write "\tSatisfy all\n")

val () = Env.action_none "satisfyAny"
	 (fn () => write "\tSatisfy any\n")

val () = Env.action_one "forceType"
	 ("type", Env.string)
	 (fn ty => (write "\tForceType ";
		    write ty;
		    write "\n"))

val () = Env.action_none "forceTypeOff"
	 (fn () => write "\tForceType None\n")

val () = Env.action_two "action"
	 ("what", Env.string, "how", Env.string)
	 (fn (what, how) => (write "\tAction ";
			     write what;
			     write " ";
			     write how;
			     write "\n"))

val () = Env.action_one "addDefaultCharset"
	 ("charset", Env.string)
	 (fn ty => (write "\tAddDefaultCharset ";
		    write ty;
		    write "\n"))

end
Commit	Line	Data
8a7c40fa AC	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	(* Apache HTTPD handling *)
	20
	21	structure Apache :> APACHE = struct
	22
	23	open Ast
	24
f8dfbbcc AC	25	val _ = Env.type_one "proxy_port"
f8dfbbcc AC	26	Env.int
e95a129e AC	27	(fn n => n > 1024)
	28
	29	val _ = Env.type_one "proxy_target"
	30	Env.string
	31	(fn s =>
	32	let
	33	fun default () = List.exists (fn s' => s = s') Config.Apache.proxyTargets
	34	in
	35	case String.fields (fn ch => ch = #":") s of
	36	["http", "//localhost", rest] =>
	37	(case String.fields (fn ch => ch = #"/") rest of
	38	port :: _ =>
	39	(case Int.fromString port of
	40	NONE => default ()
	41	\| SOME n => n > 1024 orelse default ())
	42	\| _ => default ())
	43	\| _ => default ()
	44	end)
f8dfbbcc AC	45
	46	val _ = Env.type_one "rewrite_arg"
	47	Env.string
	48	(CharVector.all Char.isAlphaNum)
	49
2882ee37 AC	50	fun validLocation s =
	51	size s > 0 andalso size s < 1000 andalso CharVector.all
	52	(fn ch => Char.isAlphaNum ch
	53	orelse ch = #"-"
	54	orelse ch = #"_"
	55	orelse ch = #"."
	56	orelse ch = #"/") s
	57
	58	val _ = Env.type_one "location"
	59	Env.string
	60	validLocation
	61
8a7c40fa AC	62	val dl = ErrorMsg.dummyLoc
	63
	64	val _ = Main.registerDefault ("WebNodes",
	65	(TList (TBase "node", dl), dl),
	66	(fn () => (EList (map (fn s => (EString s, dl)) Config.Apache.webNodes), dl)))
	67
	68	val _ = Main.registerDefault ("SSL",
	69	(TBase "bool", dl),
	70	(fn () => (EVar "false", dl)))
	71
	72	val _ = Main.registerDefault ("User",
	73	(TBase "your_user", dl),
	74	(fn () => (EString (Domain.getUser ()), dl)))
	75
	76	val _ = Main.registerDefault ("Group",
	77	(TBase "your_group", dl),
	78	(fn () => (EString (Domain.getUser ()), dl)))
	79
	80	val _ = Main.registerDefault ("DocumentRoot",
	81	(TBase "your_path", dl),
	82	(fn () => (EString ("/home/" ^ Domain.getUser () ^ "/public_html"), dl)))
	83
	84	val _ = Main.registerDefault ("ServerAdmin",
	85	(TBase "email", dl),
	86	(fn () => (EString (Domain.getUser () ^ "@" ^ Config.defaultDomain), dl)))
	87
f8dfbbcc AC	88
	89	val redirect_code = fn (EVar "temp", _) => SOME "temp"
	90	\| (EVar "permanent", _) => SOME "permanent"
	91	\| (EVar "seeother", _) => SOME "seeother"
	92	\| (EVar "redir300", _) => SOME "300"
	93	\| (EVar "redir301", _) => SOME "301"
	94	\| (EVar "redir302", _) => SOME "302"
	95	\| (EVar "redir303", _) => SOME "303"
	96	\| (EVar "redir304", _) => SOME "304"
	97	\| (EVar "redir305", _) => SOME "305"
	98	\| (EVar "redir307", _) => SOME "307"
	99	\| _ => NONE
	100
	101	val flag = fn (EVar "redirect", _) => SOME "R"
	102	\| (EVar "forbidden", _) => SOME "F"
	103	\| (EVar "gone", _) => SOME "G"
	104	\| (EVar "last", _) => SOME "L"
	105	\| (EVar "chain", _) => SOME "C"
	106	\| (EVar "nosubreq", _) => SOME "NS"
	107	\| (EVar "nocase", _) => SOME "NC"
	108	\| (EVar "qsappend", _) => SOME "QSA"
	109	\| (EVar "noescape", _) => SOME "NE"
	110	\| (EVar "passthrough", _) => SOME "PT"
	111	\| (EApp ((EVar "mimeType", _), e), _) =>
	112	Option.map (fn s => "T=" ^ s) (Env.string e)
	113	\| (EApp ((EVar "redirectWith", _), e), _) =>
	114	Option.map (fn s => "R=" ^ s) (redirect_code e)
	115	\| (EApp ((EVar "skip", _), e), _) =>
	116	Option.map (fn n => "S=" ^ Int.toString n) (Env.int e)
	117	\| (EApp ((EApp ((EVar "env", _), e1), _), e2), _) =>
	118	(case Env.string e1 of
	119	NONE => NONE
	120	\| SOME s1 => Option.map (fn s2 => "E=" ^ s1 ^ ":" ^ s2)
	121	(Env.string e2))
	122
	123	\| _ => NONE
	124
e95a129e AC	125	val cond_flag = fn (EVar "cond_nocase", _) => SOME "NC"
	126	\| (EVar "ornext", _) => SOME "OR"
	127	\| _ => NONE
	128
d441e69f AC	129	val apache_option = fn (EVar "execCGI", _) => SOME "ExecCGI"
	130	\| (EVar "includesNOEXEC", _) => SOME "IncludesNOEXEC"
	131	\| (EVar "indexes", _) => SOME "Indexes"
	132	\| _ => NONE
	133
f8dfbbcc	134
8a7c40fa AC	135	val vhostsChanged = ref false
	136
	137	val () = Slave.registerPreHandler
	138	(fn () => vhostsChanged := false)
	139
	140	val () = Slave.registerFileHandler (fn fs =>
	141	let
	142	val spl = OS.Path.splitDirFile (#file fs)
	143	in
	144	if String.isSuffix ".vhost" (#file spl)
	145	orelse String.isSuffix ".vhost_ssl" (#file spl) then
	146	(vhostsChanged := true;
	147	case #action fs of
	148	Slave.Delete =>
	149	ignore (OS.Process.system (Config.rm
	150	^ " -rf "
	151	^ Config.Apache.confDir
	152	^ "/"
	153	^ #file spl))
	154	\| _ =>
	155	ignore (OS.Process.system (Config.cp
	156	^ " "
	157	^ #file fs
	158	^ " "
	159	^ Config.Apache.confDir
	160	^ "/"
	161	^ #file spl)))
	162	else
	163	()
	164	end)
	165
	166	val () = Slave.registerPostHandler
	167	(fn () =>
	168	(if !vhostsChanged then
	169	Slave.shellF ([Config.Apache.reload],
	170	fn cl => "Error reloading Apache with " ^ cl)
	171	else
	172	()))
	173
	174	val vhostFiles : TextIO.outstream list ref = ref []
	175	fun write s = app (fn file => TextIO.output (file, s)) (!vhostFiles)
	176
f8dfbbcc AC	177	val rewriteEnabled = ref false
f8dfbbcc AC	178
8a7c40fa AC	179	val () = Env.containerV_one "vhost"
	180	("host", Env.string)
	181	(fn (env, host) =>
	182	let
	183	val nodes = Env.env (Env.list Env.string) (env, "WebNodes")
	184
	185	val ssl = Env.env Env.bool (env, "SSL")
	186	val user = Env.env Env.string (env, "User")
	187	val group = Env.env Env.string (env, "Group")
	188	val docroot = Env.env Env.string (env, "DocumentRoot")
	189	val sadmin = Env.env Env.string (env, "ServerAdmin")
	190
	191	val fullHost = host ^ "." ^ Domain.currentDomain ()
	192	val confFile = fullHost ^ (if ssl then ".vhost_ssl" else ".vhost")
	193	in
f8dfbbcc	194	rewriteEnabled := false;
8a7c40fa AC	195	vhostFiles := map (fn node =>
	196	let
	197	val file = Domain.domainFile {node = node,
	198	name = confFile}
	199	in
	200	TextIO.output (file, "<VirtualHost ");
	201	TextIO.output (file, Domain.nodeIp node);
	202	TextIO.output (file, ":");
	203	TextIO.output (file, if ssl then
	204	"443"
	205	else
	206	"80");
	207	TextIO.output (file, ">\n");
	208	file
	209	end)
	210	nodes;
edd38024 AC	211	write "\tServerName ";
	212	write fullHost;
	213	write "\n\tSuexecUserGroup ";
8a7c40fa AC	214	write user;
	215	write " ";
	216	write group;
	217	write "\n\tDocumentRoot ";
	218	write docroot;
	219	write "\n\tServerAdmin ";
	220	write sadmin;
	221	write "\n"
	222	end,
	223	fn () => (write "</VirtualHost>\n";
	224	app TextIO.closeOut (!vhostFiles)))
	225
2882ee37 AC	226	val () = Env.container_one "location"
	227	("prefix", Env.string)
	228	(fn prefix =>
	229	(write "\t<Location ";
	230	write prefix;
	231	write ">\n"),
	232	fn () => write "\t</Location>\n")
	233
	234	val () = Env.container_one "directory"
	235	("directory", Env.string)
	236	(fn directory =>
	237	(write "\t<Directory ";
	238	write directory;
	239	write ">\n"),
	240	fn () => write "\t</Directory>\n")
	241
f8dfbbcc AC	242	fun checkRewrite () =
	243	if !rewriteEnabled then
	244	()
	245	else
	246	(write "\tRewriteEngine on\n";
	247	rewriteEnabled := true)
	248
	249	val () = Env.action_three "localProxyRewrite"
	250	("from", Env.string, "to", Env.string, "port", Env.int)
	251	(fn (from, to, port) =>
	252	(checkRewrite ();
	253	write "\tRewriteRule\t";
	254	write from;
	255	write "\thttp://localhost:";
	256	write (Int.toString port);
	257	write "/";
	258	write to;
	259	write " [P]\n"))
	260
e95a129e AC	261	val () = Env.action_two "proxyPass"
	262	("from", Env.string, "to", Env.string)
	263	(fn (from, to) =>
	264	(write "\tProxyPass\t";
	265	write from;
	266	write "\t";
	267	write to;
	268	write "\n"))
	269
	270	val () = Env.action_two "proxyPassReverse"
	271	("from", Env.string, "to", Env.string)
	272	(fn (from, to) =>
	273	(write "\tProxyPassReverse\t";
	274	write from;
	275	write "\t";
	276	write to;
	277	write "\n"))
f8dfbbcc AC	278
	279	val () = Env.action_three "rewriteRule"
	280	("from", Env.string, "to", Env.string, "flags", Env.list flag)
	281	(fn (from, to, flags) =>
	282	(checkRewrite ();
	283	write "\tRewriteRule\t";
	284	write from;
	285	write "\t";
	286	write to;
	287	case flags of
	288	[] => ()
	289	\| flag::rest => (write " [";
	290	write flag;
	291	app (fn flag => (write ",";
	292	write flag)) rest;
	293	write "]");
	294	write "\n"))
	295
e95a129e AC	296	val () = Env.action_three "rewriteCond"
	297	("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
	298	(fn (from, to, flags) =>
	299	(checkRewrite ();
	300	write "\tRewriteCond\t";
	301	write from;
	302	write "\t";
	303	write to;
	304	case flags of
	305	[] => ()
	306	\| flag::rest => (write " [";
	307	write flag;
	308	app (fn flag => (write ",";
	309	write flag)) rest;
	310	write "]");
	311	write "\n"))
	312
d5754b53 AC	313	val () = Env.action_two "alias"
	314	("from", Env.string, "to", Env.string)
	315	(fn (from, to) =>
	316	(write "\tAlias\t";
	317	write from;
	318	write " ";
	319	write to;
	320	write "\n"))
	321
	322	val () = Env.action_two "scriptAlias"
	323	("from", Env.string, "to", Env.string)
	324	(fn (from, to) =>
	325	(write "\tScriptAlias\t";
	326	write from;
	327	write " ";
	328	write to;
	329	write "\n"))
	330
	331	val () = Env.action_two "errorDocument"
	332	("code", Env.string, "handler", Env.string)
	333	(fn (code, handler) =>
	334	(write "\tErrorDocument\t";
	335	write code;
	336	write " ";
	337	write handler;
	338	write "\n"))
	339
d441e69f AC	340	val () = Env.action_one "options"
	341	("options", Env.list apache_option)
	342	(fn opts =>
	343	case opts of
	344	[] => ()
	345	\| _ => (write "\tOptions";
	346	app (fn opt => (write " "; write opt)) opts;
	347	write "\n"))
	348
	349	val () = Env.action_one "set_options"
	350	("options", Env.list apache_option)
	351	(fn opts =>
	352	case opts of
	353	[] => ()
	354	\| _ => (write "\tOptions";
	355	app (fn opt => (write " +"; write opt)) opts;
	356	write "\n"))
	357
	358	val () = Env.action_one "unset_options"
	359	("options", Env.list apache_option)
	360	(fn opts =>
	361	case opts of
	362	[] => ()
	363	\| _ => (write "\tOptions";
	364	app (fn opt => (write " -"; write opt)) opts;
	365	write "\n"))
d5754b53	366
edd38024 AC	367	val () = Env.action_one "directoryIndex"
	368	("filenames", Env.list Env.string)
	369	(fn opts =>
	370	(write "\tDirectoryIndex";
	371	app (fn opt => (write " "; write opt)) opts;
	372	write "\n"))
	373
	374	val () = Env.action_one "serverAlias"
	375	("host", Env.string)
	376	(fn host =>
	377	(write "\tServerAlias ";
	378	write host;
	379	write "\n"))
	380
2aeb9eec AC	381	val authType = fn (EVar "basic", _) => SOME "basic"
	382	\| (EVar "digest", _) => SOME "digest"
	383	\| _ => NONE
	384
	385	val () = Env.action_one "authType"
	386	("type", authType)
	387	(fn ty =>
	388	(write "\tAuthType ";
	389	write ty;
	390	write "\n"))
	391
	392	val () = Env.action_one "authName"
	393	("name", Env.string)
	394	(fn name =>
	395	(write "\tAuthName \"";
	396	write name;
	397	write "\"\n"))
	398
	399	val () = Env.action_one "authUserFile"
	400	("file", Env.string)
	401	(fn name =>
	402	(write "\tAuthUserFile ";
	403	write name;
	404	write "\n"))
	405
	406	val () = Env.action_none "requireValidUser"
	407	(fn () => write "\tRequire valid-user\n")
	408
	409	val () = Env.action_one "requireUser"
	410	("users", Env.list Env.string)
	411	(fn names =>
	412	case names of
	413	[] => ()
	414	\| _ => (write "\tRequire user";
	415	app (fn name => (write " "; write name)) names;
	416	write "\n"))
	417
	418	val () = Env.action_one "requireGroup"
	419	("groups", Env.list Env.string)
	420	(fn names =>
	421	case names of
	422	[] => ()
	423	\| _ => (write "\tRequire group";
	424	app (fn name => (write " "; write name)) names;
	425	write "\n"))
	426
	427	val () = Env.action_none "orderAllowDeny"
	428	(fn () => write "\tOrder allow,deny\n")
	429
	430	val () = Env.action_none "orderDenyAllow"
	431	(fn () => write "\tOrder deny,allow\n")
	432
	433	val () = Env.action_none "allowFromAll"
	434	(fn () => write "\tAllow from all\n")
	435
	436	val () = Env.action_one "allowFrom"
	437	("entries", Env.list Env.string)
	438	(fn names =>
	439	case names of
	440	[] => ()
	441	\| _ => (write "\tAllow from";
	442	app (fn name => (write " "; write name)) names;
	443	write "\n"))
	444
445	val () = Env.action_none "denyFromAll"
446	(fn () => write "\tDeny from all\n")
447
448	val () = Env.action_one "denyFrom"
449	("entries", Env.list Env.string)
450	(fn names =>
451	case names of
452	[] => ()
453	\| _ => (write "\tDeny from";
454	app (fn name => (write " "; write name)) names;
455	write "\n"))
456
457	val () = Env.action_none "satisfyAll"
458	(fn () => write "\tSatisfy all\n")
459
460	val () = Env.action_none "satisfyAny"
461	(fn () => write "\tSatisfy any\n")
462
7f012ffd AC	463	val () = Env.action_one "forceType"
	464	("type", Env.string)
	465	(fn ty => (write "\tForceType ";
	466	write ty;
	467	write "\n"))
	468
	469	val () = Env.action_none "forceTypeOff"
	470	(fn () => write "\tForceType None\n")
	471
	472	val () = Env.action_two "action"
	473	("what", Env.string, "how", Env.string)
	474	(fn (what, how) => (write "\tAction ";
	475	write what;
	476	write " ";
	477	write how;
	478	write "\n"))
	479
	480	val () = Env.action_one "addDefaultCharset"
	481	("charset", Env.string)
	482	(fn ty => (write "\tAddDefaultCharset ";
	483	write ty;
	484	write "\n"))
	485
8a7c40fa	486	end