2 * Copyright (C) 2004-2008 Georgia Public Library Service
3 * Copyright (C) 2008 Equinox Software, Inc.
4 * Mike Rylander <miker@esilibrary.com>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
19 DROP SCHEMA permission CASCADE;
22 CREATE SCHEMA permission;
24 CREATE TABLE permission.perm_list (
25 id SERIAL PRIMARY KEY,
26 code TEXT NOT NULL UNIQUE,
29 CREATE INDEX perm_list_code_idx ON permission.perm_list (code);
31 CREATE TABLE permission.grp_tree (
32 id SERIAL PRIMARY KEY,
33 name TEXT NOT NULL UNIQUE,
34 parent INT REFERENCES permission.grp_tree (id) ON DELETE RESTRICT DEFERRABLE INITIALLY DEFERRED,
35 usergroup BOOL NOT NULL DEFAULT TRUE,
36 perm_interval INTERVAL DEFAULT '3 years'::interval NOT NULL,
40 CREATE INDEX grp_tree_parent_idx ON permission.grp_tree (parent);
42 CREATE TABLE permission.grp_perm_map (
43 id SERIAL PRIMARY KEY,
44 grp INT NOT NULL REFERENCES permission.grp_tree (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
45 perm INT NOT NULL REFERENCES permission.perm_list (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
47 grantable BOOL NOT NULL DEFAULT FALSE,
48 CONSTRAINT perm_grp_once UNIQUE (grp,perm)
51 CREATE TABLE permission.usr_perm_map (
52 id SERIAL PRIMARY KEY,
53 usr INT NOT NULL REFERENCES actor.usr (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
54 perm INT NOT NULL REFERENCES permission.perm_list (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
56 grantable BOOL NOT NULL DEFAULT FALSE,
57 CONSTRAINT perm_usr_once UNIQUE (usr,perm)
60 CREATE TABLE permission.usr_object_perm_map (
61 id SERIAL PRIMARY KEY,
62 usr INT NOT NULL REFERENCES actor.usr (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
63 perm INT NOT NULL REFERENCES permission.perm_list (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
64 object_type TEXT NOT NULL,
65 object_id TEXT NOT NULL,
66 grantable BOOL NOT NULL DEFAULT FALSE,
67 CONSTRAINT perm_usr_obj_once UNIQUE (usr,perm,object_type,object_id)
70 CREATE INDEX uopm_usr_idx ON permission.usr_object_perm_map (usr);
72 CREATE TABLE permission.usr_grp_map (
73 id SERIAL PRIMARY KEY,
74 usr INT NOT NULL REFERENCES actor.usr (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
75 grp INT NOT NULL REFERENCES permission.grp_tree (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
76 CONSTRAINT usr_grp_once UNIQUE (usr,grp)
79 CREATE OR REPLACE FUNCTION permission.grp_ancestors ( INT ) RETURNS SETOF permission.grp_tree AS $$
81 FROM connectby('permission.grp_tree'::text,'parent'::text,'id'::text,'name'::text,$1::text,100,'.'::text)
82 AS t(keyid text, parent_keyid text, level int, branch text,pos int)
83 JOIN permission.grp_tree a ON a.id::text = t.keyid::text
85 CASE WHEN a.parent IS NULL
89 $$ LANGUAGE SQL STABLE;
91 CREATE OR REPLACE FUNCTION permission.usr_perms ( INT ) RETURNS SETOF permission.usr_perm_map AS $$
92 SELECT DISTINCT ON (usr,perm) *
94 (SELECT * FROM permission.usr_perm_map WHERE usr = $1)
96 (SELECT -p.id, $1 AS usr, p.perm, p.depth, p.grantable
97 FROM permission.grp_perm_map p
99 SELECT (permission.grp_ancestors(
100 (SELECT profile FROM actor.usr WHERE id = $1)
105 (SELECT -p.id, $1 AS usr, p.perm, p.depth, p.grantable
106 FROM permission.grp_perm_map p
107 WHERE p.grp IN (SELECT (permission.grp_ancestors(m.grp)).id FROM permission.usr_grp_map m WHERE usr = $1))
109 ORDER BY 2, 3, 1 DESC, 5 DESC ;
110 $$ LANGUAGE SQL STABLE;
112 CREATE TABLE permission.usr_work_ou_map (
113 id SERIAL PRIMARY KEY,
114 usr INT NOT NULL REFERENCES actor.usr (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
115 work_ou INT NOT NULL REFERENCES actor.org_unit (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
116 CONSTRAINT usr_work_ou_once UNIQUE (usr,work_ou)
119 CREATE OR REPLACE FUNCTION permission.usr_can_grant_perm ( iuser INT, tperm TEXT, target_ou INT ) RETURNS BOOL AS $$
121 r_usr actor.usr%ROWTYPE;
122 r_perm permission.usr_perm_map%ROWTYPE;
125 SELECT * INTO r_usr FROM actor.usr WHERE id = iuser;
127 IF r_usr.active = FALSE THEN
131 IF r_usr.super_user = TRUE THEN
135 FOR r_perm IN SELECT *
136 FROM permission.usr_perms(iuser) p
137 JOIN permission.perm_list l
139 WHERE (l.code = tperm AND p.grantable IS TRUE)
143 FROM actor.org_unit_descendants(target_ou,r_perm.depth)
144 WHERE id = r_usr.home_ou;
157 CREATE OR REPLACE FUNCTION permission.usr_has_home_perm ( iuser INT, tperm TEXT, target_ou INT ) RETURNS BOOL AS $$
159 r_usr actor.usr%ROWTYPE;
160 r_perm permission.usr_perm_map%ROWTYPE;
163 SELECT * INTO r_usr FROM actor.usr WHERE id = iuser;
165 IF r_usr.active = FALSE THEN
169 IF r_usr.super_user = TRUE THEN
173 FOR r_perm IN SELECT *
174 FROM permission.usr_perms(iuser) p
175 JOIN permission.perm_list l
181 FROM actor.org_unit_descendants(target_ou,r_perm.depth)
182 WHERE id = r_usr.home_ou;
195 CREATE OR REPLACE FUNCTION permission.usr_has_work_perm ( iuser INT, tperm TEXT, target_ou INT ) RETURNS BOOL AS $$
197 r_woum permission.usr_work_ou_map%ROWTYPE;
198 r_usr actor.usr%ROWTYPE;
199 r_perm permission.usr_perm_map%ROWTYPE;
202 SELECT * INTO r_usr FROM actor.usr WHERE id = iuser;
204 IF r_usr.active = FALSE THEN
208 IF r_usr.super_user = TRUE THEN
212 FOR r_perm IN SELECT *
213 FROM permission.usr_perms(iuser) p
214 JOIN permission.perm_list l
220 FOR r_woum IN SELECT *
221 FROM permission.usr_work_ou_map
226 FROM actor.org_unit_descendants(target_ou,r_perm.depth)
227 WHERE id = r_woum.work_ou;
241 CREATE OR REPLACE FUNCTION permission.usr_has_object_perm ( iuser INT, tperm TEXT, obj_type TEXT, obj_id TEXT, target_ou INT ) RETURNS BOOL AS $$
243 r_usr actor.usr%ROWTYPE;
247 SELECT * INTO r_usr FROM actor.usr WHERE id = iuser;
249 IF r_usr.active = FALSE THEN
253 IF r_usr.super_user = TRUE THEN
257 SELECT TRUE INTO res FROM permission.usr_object_perm_map WHERE usr = r_usr.id AND object_type = obj_type AND object_id = obj_id;
263 IF target_ou > -1 THEN
264 RETURN permission.usr_has_perm( iuser, tperm, target_ou);
272 CREATE OR REPLACE FUNCTION permission.usr_has_object_perm ( INT, TEXT, TEXT, TEXT ) RETURNS BOOL AS $$
273 SELECT permission.usr_has_object_perm( $1, $2, $3, $4, -1 );
276 CREATE OR REPLACE FUNCTION permission.usr_has_perm ( INT, TEXT, INT ) RETURNS BOOL AS $$
278 WHEN permission.usr_has_home_perm( $1, $2, $3 ) THEN TRUE
279 WHEN permission.usr_has_work_perm( $1, $2, $3 ) THEN TRUE