-(* COCANWIKI scripts.
+(* COCANWIKI - a wiki written in Objective CAML.
* Written by Richard W.M. Jones <rich@merjis.com>.
* Copyright (C) 2004 Merjis Ltd.
- * $Id: cocanwiki.ml,v 1.3 2004/09/07 14:58:34 rich Exp $
+ * $Id: cocanwiki.ml,v 1.15 2004/10/07 16:54:24 rich Exp $
+ *
+ * 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; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*)
open Apache
open Printf
open Cocanwiki_ok
+open Cocanwiki_strings
module Pool = DbiPool (Dbi_postgres)
*)
let _get_dbh r = Pool.get r "cocanwiki"
-(* The [CgiExit] exception should be folded back into the base
- * mod_caml code at some point. It just causes the 'run' function to
- * return at that point safely. (XXX)
- *)
-exception CgiExit
+(* The "host object". *)
+type host_t = { hostname : string;
+ edit_anon : bool;
+ view_anon : bool }
(* Permissions and restrictions.
*
* who can use the script. For example:
* register_script ~restrict:[CanEdit ; CanManageUsers] run
*)
-type permissions_t = CanEdit | CanManageUsers
+type permissions_t = CanView | CanEdit | CanManageUsers | CanManageContacts
+ | CanManageSite | CanEditGlobalCSS
(* The "user object". *)
type user_t = Anonymous (* Not logged in. *)
| User of int * string * permissions_t list
(* Userid, name, permissions. *)
-let test_permission edit_anon perm user =
+let test_permission {edit_anon = edit_anon; view_anon = view_anon} perm user =
if perm = CanEdit && edit_anon then true
+ else if perm = CanView && view_anon then true
else match user with
Anonymous -> false
| User (_, _, perms) -> List.mem perm perms
-let can_edit edit_anon = test_permission edit_anon CanEdit
-let can_manage_users = test_permission false CanManageUsers
+let can_edit host = test_permission host CanEdit
+let can_manage_users host = test_permission host CanManageUsers
+let can_manage_contacts host = test_permission host CanManageContacts
+let can_manage_site host = test_permission host CanManageSite
+let can_edit_global_css host = test_permission host CanEditGlobalCSS
-(* Our wrapper around the standard [register_script] function. *)
-let register_script ?(restrict = []) run =
+(* Our wrapper around the standard [register_script] function.
+ *
+ * The optional ~restrict and ~anonymous parameters work as follows:
+ *
+ * By default (neither parameter given), anonymous or logged-in users
+ * at any level are permitted to run the script.
+ *
+ * If ~anonymous:false then a user must be logged in to use the script.
+ *
+ * If ~restrict contains a list of permissions (eg. CanEdit, etc.) then
+ * the user must have the ability to do AT LEAST ONE of those actions.
+ * (Note that this does not necessarily imply that the user must be
+ * logged in, because in some circumstances even anonymous users have
+ * the CanEdit permission - very typical for a wiki).
+ *
+ * If ~anonymous:false and ~restrict is given then the user must be
+ * logged in AND have the ability to do AT LEAST ONE of those actions.
+ *)
+let register_script ?(restrict = []) ?(anonymous = true) run =
(* Actually register the script with the real [Registry] module. *)
register_script
(fun r ->
(* Get the host ID, by comparing the Host: header with the hostnames
* table in the database.
*)
- let hostid, hostname, edit_anon =
+ let hostid, hostname, edit_anon, view_anon =
let hostname = try Request.hostname r
with Not_found -> failwith "No ``Host:'' header in request" in
let hostname = String.lowercase hostname in
let sth =
dbh#prepare_cached
- "select h.id, h.canonical_hostname, h.edit_anon
+ "select h.id, h.canonical_hostname, h.edit_anon, h.view_anon
from hostnames hn, hosts h
where hn.name = ? and hn.hostid = h.id" in
sth#execute [`String hostname];
try
(match sth#fetch1 () with
- [ `Int id; `String hostname; `Bool edit_anon ] ->
- id, hostname, edit_anon
+ [ `Int id; `String hostname;
+ `Bool edit_anon; `Bool view_anon ] ->
+ id, hostname, edit_anon, view_anon
| _ -> assert false)
with
Not_found ->
failwith ("Hostname ``" ^ hostname ^ "'' not found in " ^
"the hosts/hostnames tables in the database.") in
+ (* Create the host object. *)
+ let host = { hostname = hostname;
+ edit_anon = edit_anon;
+ view_anon = view_anon } in
+
(* Look for the user's cookie, and determine from this the user
* object.
*)
let sth =
dbh#prepare_cached
- "select u.id, u.name, u.can_edit, u.can_manage_users
+ "select u.id, u.name, u.can_edit, u.can_manage_users,
+ u.can_manage_contacts, u.can_manage_site,
+ u.can_edit_global_css
from usercookies uc, users u
where uc.cookie = ? and uc.userid = u.id and u.hostid = ?" in
sth#execute [`String cookie; `Int hostid];
(match sth#fetch1 () with
[ `Int userid; `String name;
- `Bool can_edit; `Bool can_manage_users ] ->
+ `Bool can_edit; `Bool can_manage_users;
+ `Bool can_manage_contacts; `Bool can_manage_site;
+ `Bool can_edit_global_css ] ->
+ (* Every logged in user can view. *)
+ let perms = [CanView] in
+ let perms =
+ if can_edit then CanEdit :: perms
+ else perms in
+ let perms =
+ if can_manage_users then CanManageUsers :: perms
+ else perms in
+ let perms =
+ if can_manage_contacts then CanManageContacts :: perms
+ else perms in
+ let perms =
+ if can_manage_site then CanManageSite :: perms
+ else perms in
let perms =
- (if can_edit then [ CanEdit ] else []) @
- (if can_manage_users then [ CanManageUsers ] else []) in
+ if can_edit_global_css then CanEditGlobalCSS :: perms
+ else perms in
User (userid, name, perms)
| _ -> assert false)
with
* the user has sufficient permission to run this script.
*)
let permitted =
- match restrict with
- [] -> true (* empty list = no restrictions *)
- | rs ->
- List.fold_left ((||)) false
- (List.map (fun r -> test_permission edit_anon r user) rs) in
+ if not anonymous && user = Anonymous then false
+ else
+ match restrict with
+ [] -> true (* empty list = no restrictions *)
+ | rs ->
+ List.fold_left (||) false
+ (List.map (fun r -> test_permission host r user) rs) in
if permitted then (
(* Call the actual CGI script. *)
- try
- run r q dbh (hostid, hostname, edit_anon) user
- with
- CgiExit -> ()
- ) else
- error ~back_button:true
- ~title:"Access denied"
- q "You do not have permission to access this part of the site."
+ run r q dbh hostid host user
+ ) else (
+ if user = Anonymous then
+ q#redirect ("http://" ^ hostname ^ "/_login")
+ else
+ error ~back_button:true
+ ~title:"Access denied"
+ q "You do not have permission to access this part of the site."
+ )
)
+
+(* Convert a section name into something valid for use in <a name="...">
+ * XXX This breaks horribly for non-7-bit strings.
+ * XXX This is stuck here because we don't have a good place for it, and
+ * because it needs to be fixed for i18n compliance.
+ *)
+let linkname_of_sectionname str =
+ let str = String.copy str in
+ for i = 0 to String.length str - 1 do
+ if not (isalnum str.[i]) then str.[i] <- '_'
+ done;
+ str
+
+(* List of extensions currently registered. *)
+type extension_t = Dbi.connection -> int -> string -> string
+let extensions = ref ([] : (string * extension_t) list)
git.annexia.org / cocanwiki.git / blobdiff