066b57e031a96d92dc660b0574273c620de8818d
1 <?php
2 /*
3 This code is part of GOsa (https://gosa.gonicus.de)
4 Copyright (C) 2003-2005 Cajus Pollmeier
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (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.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
21 class userinfo
22 {
23 var $dn;
24 var $ip;
25 var $username;
26 var $cn;
27 var $uid;
28 var $gidNumber= -1;
29 var $language= "";
30 var $config;
31 var $gosaUnitTag= "";
32 var $subtreeACL= array();
33 var $ACL= array();
34 var $groups= array();
36 /* get acl's an put them into the userinfo object
37 attr subtreeACL (userdn:components, userdn:component1#sub1#sub2,component2,...) */
38 function userinfo($config, $userdn){
39 $this->config= $config;
40 $ldap= $this->config->get_ldap_link();
41 $ldap->cat($userdn,array('sn', 'givenName', 'uid', 'gidNumber', 'preferredLanguage', 'gosaUnitTag'));
42 $attrs= $ldap->fetch();
44 if (isset($attrs['givenName'][0]) && isset($attrs['sn'][0])){
45 $this->cn= $attrs['givenName'][0]." ".$attrs['sn'][0];
46 } else {
47 $this->cn= $attrs['uid'][0];
48 }
49 if (isset($attrs['gidNumber'][0])){
50 $this->gidNumber= $attrs['gidNumber'][0];
51 }
53 /* Assign user language */
54 if (isset($attrs['preferredLanguage'][0])){
55 $this->language= $attrs['preferredLanguage'][0];
56 }
58 if (isset($attrs['gosaUnitTag'][0])){
59 $this->gosaUnitTag= $attrs['gosaUnitTag'][0];
60 }
62 $this->dn= $userdn;
63 $this->uid= $attrs['uid'][0];
64 $this->ip= $_SERVER['REMOTE_ADDR'];
65 }
68 function loadACL()
69 {
71 #--------------------------------------------------------------------------OLD-BUT-ACTIVE-----------------------------
72 $ldap= $this->config->get_ldap_link();
74 /* Load ACL's from all groups we're in */
75 $this->subtreeACL= array();
76 $ldap->cd($this->config->current['BASE']);
77 if ($this->gidNumber == -1){
78 $ldap->search("(&(objectClass=posixGroup)(objectClass=gosaObject)".
79 "(memberUid=$this->username))");
80 } else {
81 $ldap->search("(&(objectClass=posixGroup)(objectClass=gosaObject)".
82 "(|(memberUid=$this->username)(gidNumber=$this->gidNumber)))");
83 }
85 while($attrs = $ldap->fetch()){
86 $base= preg_replace('/^[^,]+,ou=[^,]+,/i', "",$ldap->getDN());
87 $base= preg_replace("/[ ]*,[ ]*/", ",", $base);
89 for ($i= 0; $i<$attrs["gosaSubtreeACL"]["count"]; $i++){
90 $this->subtreeACL[$base][]= $attrs["gosaSubtreeACL"][$i];
91 }
92 }
93 #echo "NEW ACL LOADING --------------------------------------------------------------------------------------------<br>";
95 $this->ACL= array();
96 $this->groups= array();
97 $ldap= $this->config->get_ldap_link();
98 $ldap->cd($this->config->current['BASE']);
100 /* Get member groups... */
101 $ldap->search("(&(objectClass=posixGroup)(memberUid=".$this->uid."))", array('dn'));
102 while ($attrs= $ldap->fetch()){
103 $this->groups[$attrs['dn']]= $attrs['dn'];
104 }
106 /* Crawl through ACLs and move relevant to the tree */
107 $ldap->search("(objectClass=gosaACL)", array('dn', 'gosaAclEntry'));
108 $aclp= array();
109 $aclc= array();
110 while ($attrs= $ldap->fetch()){
112 /* Insert links in ACL array */
113 $aclp[$attrs['dn']]= substr_count($attrs['dn'], ',');
114 $aclc[$attrs['dn']]= array();
115 $ol= array();
116 for($i= 0; $i<$attrs['gosaAclEntry']['count']; $i++){
117 $ol= array_merge($ol, @acl::explodeAcl($attrs['gosaAclEntry'][$i]));
118 }
119 $aclc[$attrs['dn']]= $ol;
120 }
122 /* ACL's read, sort for tree depth */
123 asort($aclp);
125 /* Sort in tree order */
126 foreach ($aclp as $dn => $acl){
127 /* Check if we need to keep this ACL */
128 foreach($aclc[$dn] as $idx => $type){
129 $interresting= FALSE;
131 /* No members? This is good for all users... */
132 if (!count($type['members'])){
133 $interresting= TRUE;
134 }
136 /* Inspect members... */
137 foreach ($type['members'] as $grp => $grpdsc){
138 /* Some group inside the members that is relevant for us? */
139 if (in_array_ics(preg_replace('/^G:/', '', $grp), $this->groups)){
140 $interresting= TRUE;
141 }
143 /* User inside the members? */
144 if (preg_replace('/^U:/', '', $grp) == $this->dn){
145 $interresting= TRUE;
146 }
147 }
149 if ($interresting){
150 if (!isset($this->ACL[$dn])){
151 $this->ACL[$dn]= array();
152 }
153 $this->ACL[$dn][$idx]= $type;
154 }
155 }
157 }
158 }
161 function get_category_permissions($dn, $category)
162 {
163 return ("cdmrw");
164 }
167 function get_permissions($dn, $object, $attribute, $skip_write= FALSE)
168 {
169 $acl= array("r" => "", "w" => "", "c" => "", "d" => "", "m" => "", "a" => "");
171 /* Build dn array */
172 $path= split(',', $dn);
173 $path= array_reverse($path);
175 /* Walk along the path to evaluate the acl */
176 $cpath= "";
177 foreach ($path as $element){
179 /* Clean potential ACLs for each level */
180 $acl= $this->cleanACL($acl);
182 if ($cpath == ""){
183 $cpath= $element;
184 } else {
185 $cpath= $element.','.$cpath;
186 }
187 if (isset($this->ACL[$cpath])){
189 /* Inspect this ACL, place the result into ACL */
190 foreach ($this->ACL[$cpath] as $subacl){
192 /* Reset? Just clean the ACL and turn over to the next one... */
193 if ($subacl['type'] == 'reset'){
194 $acl= $this->cleanACL($acl, TRUE);
195 continue;
196 }
198 /* Per attribute ACL? */
199 if (isset($subacl['acl'][$object][$attribute])){
200 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][$attribute]);
201 continue;
202 }
204 /* Per object ACL? */
205 if (isset($subacl['acl'][$object][0])){
206 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][0]);
207 continue;
208 }
210 /* Global ACL? */
211 if (isset($subacl['acl']['all'][0])){
212 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl']['all'][0]);
213 continue;
214 }
216 }
217 }
218 }
220 /* Assemble string */
221 $ret= "";
222 foreach ($acl as $key => $value){
223 if ($value != ""){
224 $ret.= $key;
225 }
226 }
228 /* Remove write if needed */
229 if ($skip_write){
230 $ret= preg_replace('/w/', '', $ret);
231 }
233 return ($ret);
234 }
237 function get_module_departments($module)
238 {
239 global $plist;
241 $objects= array();
242 $deps= array();
244 /* Extract all relevant objects for this module from plist */
245 foreach ($plist->info as $object => $info){
246 if (!isset($info['plCategory'])){
247 continue;
248 }
249 foreach ($info['plCategory'] as $idx => $data){
250 if (preg_match('/^[0-9]+$/', $idx)){
251 if ($data == $module){
252 $objects[$object]= $object;
253 }
254 } else {
255 if ($idx == $module){
256 $objects[$object]= $object;
257 }
258 }
259 }
260 }
262 /* Get all gosaDepartments */
263 $ldap= $this->config->get_ldap_link();
264 $ldap->cd($this->config->current['BASE']);
265 $ldap->search('objectClass=gosaDepartment', array('dn'));
266 while ($attrs= $ldap->fetch()){
267 $acl= array("r" => "", "w" => "", "c" => "", "d" => "", "m" => "", "a" => "");
269 /* Build dn array */
270 $path= split(',', $attrs['dn']);
271 $path= array_reverse($path);
273 /* Walk along the path to evaluate the acl */
274 $cpath= "";
275 foreach ($path as $element){
277 /* Clean potential ACLs for each level */
278 $acl= $this->cleanACL($acl);
280 if ($cpath == ""){
281 $cpath= $element;
282 } else {
283 $cpath= $element.','.$cpath;
284 }
285 if (isset($this->ACL[$cpath])){
287 /* Inspect this ACL, place the result into ACL */
288 foreach ($this->ACL[$cpath] as $subacl){
290 /* Reset? Just clean the ACL and turn over to the next one... */
291 if ($subacl['type'] == 'reset'){
292 $acl= $this->cleanACL($acl, TRUE);
293 continue;
294 }
296 /* Per object ACL? */
297 foreach ($objects as $object){
298 if (isset($subacl['acl'][$object])){
299 foreach($subacl['acl'][$object] as $attribute => $dcl){
300 if (isset($subacl['acl'][$object][$attribute])){
301 $acl= $this->mergeACL($acl, $subacl['type'], preg_replace('/[cdm]/', '', $subacl['acl'][$object][$attribute]));
302 }
303 }
304 }
305 }
307 /* Global ACL? */
308 if (isset($subacl['acl'][0])){
309 $acl= $this->mergeACL($acl, $subacl['type'], preg_replace('/[cdm]/', '', $subacl['acl'][0]));
310 continue;
311 }
312 }
313 }
314 }
316 /* Add department, if we have (some) permissions for the requred module */
317 foreach ($acl as $val){
318 if ($val != ""){
319 $deps[]= $attrs['dn'];
320 break;
321 }
322 }
323 }
325 return ($deps);
326 }
329 function mergeACL($acl, $type, $newACL)
330 {
331 foreach(str_split($newACL) as $char){
333 /* Ignore invalid characters */
334 if (!preg_match('/[rwcdm]/', $char)){
335 continue;
336 }
338 /* Skip permanent and subtree entries */
339 if (preg_match('/[sp]/', $acl[$char])){
340 continue;
341 }
343 switch ($type){
344 case 'psub':
345 $acl[$char]= 'p';
346 break;
348 case 'sub':
349 $acl[$char]= 's';
350 break;
352 case 'one':
353 $acl[$char]= 1;
354 break;
356 case 'base':
357 if ($acl[$char] != 1){
358 $acl[$char]= 0;
359 }
360 break;
361 }
362 }
364 return ($acl);
365 }
368 function cleanACL($acl, $reset= FALSE)
369 {
370 foreach ($acl as $key => $value){
372 /* Reset removes everything but 'p' */
373 if ($reset && $value != 'p'){
374 $acl[$key]= "";
375 continue;
376 }
378 /* Decrease tree level */
379 if (preg_match('/^[0-9]+$/', $value)){
380 if ($value > 0){
381 $acl[$key]= $value - 1;
382 } else {
383 $acl[$key]= "";
384 }
385 }
386 }
388 return ($acl);
389 }
391 }
393 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
394 ?>