1 <?php
3 class aclResolver
4 {
5 private $classMapping = array();
6 private $aclTypes = array();
7 private $affectingACLs = array();
9 private $renderedList = "";
11 // The users 'dn' and 'uid' used to verify the collected acls
12 private $validateDn;
13 private $validateUid;
15 function __construct($config, $dn, $parent)
16 {
17 $this->config = &$config;
18 $this->dn = $dn;
20 // Replace this with a user defined one later.
21 $ui = get_userinfo();
22 $this->validateUid = $ui->uid;
23 $this->validateDn = $ui->dn;
25 // Get ACL category for the current object.
26 if(isset($parent->acl_category) && !empty($parent->acl_category)){
27 $this->acl_category = preg_replace("/\/$/","",$parent->acl_category);
28 }
30 // Build class mapping - only once, will not change during session.
31 if(!session::is_set('aclConverter::classMapping')){
32 $tmp= session::global_get('plist');
33 $plist= $tmp->info;
34 $map = array();
35 $map['all']= _("All categories");
36 foreach($plist as $class => $plInfo){
37 if(isset($plInfo['plCategory']) && is_array($plInfo['plCategory'])){
38 foreach($plInfo['plCategory'] as $category => $desc){
39 if(!is_numeric($category)){
40 $map[$category] = $desc['description'];
41 }
42 }
43 }
44 }
45 foreach($plist as $class => $plInfo){
46 if(isset($plInfo['plCategory']) && is_array($plInfo['plCategory'])){
47 foreach($plInfo['plCategory'] as $category => $desc){
48 if(!is_numeric($category)){
49 $map[$category."/".$class] = $map[$category]." - ".$plInfo['plDescription'];
50 }else{
51 $map[$desc."/".$class] = $map[$desc]." - ".$plInfo['plDescription'];
52 }
53 }
55 }
56 }
57 session::set('aclConverter::classMapping', $map);
58 }
59 $this->classMapping = session::get('aclConverter::classMapping');
61 // Define ACL type translations
62 $this->aclTypes= array("reset" => _("Reset ACLs"),
63 "one" => _("One level"),
64 "base" => _("Current object"),
65 "sub" => _("Complete subtree"),
66 "psub" => _("Complete subtree (permanent)"),
67 "role" => _("Use ACL defined in role"));
69 $this->reload();
70 }
73 function reload()
74 {
76 // Go through all ACLs and get those matching out DN.
77 $ui = get_userinfo();
78 $ui->reset_acl_cache();
79 $ui->loadACL();
81 foreach($ui->allACLs as $dn => $acls){
82 if(preg_match("/".preg_quote($dn,'/')."$/i", $this->dn)){
83 foreach($acls as $prio => $acl){
84 if($acl['type'] == "reset"){
85 $this->affectingACLs[$dn][$prio] = $acl;
86 continue;
87 }else{
88 foreach($acl['acl'] as $category => $attributes){
89 if(preg_match("/^all($|\/)/", $category) ||
90 preg_match("/^".$this->acl_category."($|\/)/", $category)){
91 $this->affectingACLs[$dn][$prio] = $acl;
92 continue;
93 }
94 }
95 }
96 }
97 }
98 }
100 // Enforce to reload acl result
101 $this->renderedList = "";
102 }
106 /*! \brief Create a human readable HTML result
107 */
108 function getReadableACL()
109 {
110 if(empty($this->renderedList)){
112 $tpl =
113 "\n <tr class='acl-viewer-head %s'>".
114 "\n <td>%s</td>".
115 "\n <td colspan=2><b>%s</b> - %s</td>".
116 "\n </tr>".
117 "\n %s".
118 "\n <tr>".
119 "\n <td colspan=3><hr></td>".
120 "\n </tr>";
122 $filter_tpl =
123 "\n <tr class='%s'>".
124 "\n <td></td>".
125 "\n <td><b>"._("Filter")."</b></td>".
126 "\n <td><ul><li>%s</li></ul></td>".
127 "\n </tr>";
129 $gmem_tpl =
130 "\n <tr class='%s'>".
131 "\n <td></td>".
132 "\n <td><b>"._("Group members")."</b></td>".
133 "\n <td><ul>%s</ul></td>".
134 "\n </tr>";
136 $umem_tpl =
137 "\n <tr class='%s'>".
138 "\n <td></td>".
139 "\n <td><b>"._("Members")."</b></td>".
140 "\n <td><ul>%s</ul></td>".
141 "\n </tr>";
143 $acl_tpl =
144 "\n <tr class='%s'>".
145 "\n <td></td>".
146 "\n <td><b>"._("Acls")."</b></td>".
147 "\n <td><ul>%s</ul></td>".
148 "\n </tr>";
151 $str = "<table summary='"._("Object permissions")."' class='acl-viewer'>";
152 $ldap = $this->config->get_ldap_link();
153 $ldap->cd($this->config->current['BASE']);
154 $ui = get_userinfo();
155 foreach($this->affectingACLs as $dn => $acls){
156 foreach($acls as $acl){
157 $gmem = $umem = $defs = "";
158 $image = (isset($this->config->idepartments[$dn]))? "images/select_department.png":"images/lists/element.png";
159 $aclType = $this->aclTypes[$acl['type']];
161 // Does the filter match for current object?
162 $filter ="";
163 $match = TRUE;
164 if(!empty($acl['filter'])){
165 $match = $ldap->object_match_filter($this->dn,$acl['filter']);
166 $filter= $acl['filter'];
167 if(!$match){
168 $filter= "<span>".$filter."</span>";
169 }
170 }
172 // Check if we are part of the member list
173 if($match){
174 $found = FALSE;
175 foreach($acl['members'] as $mem => $desc){
176 if($mem == "U:{$this->validateDn}"){
177 $found = TRUE;
178 break;
179 }
180 if($mem == "G:*"){
181 $found = TRUE;
182 break;
183 }
184 if(preg_match("/^G:/", $mem)){
185 $gdn = preg_replace("/^G:/","",$mem);
186 $ldap->cat($gdn,array('memberUid'));
187 if($ldap->count()){
188 $attrs = $ldap->fetch();
189 if(isset($attrs['memberUid']) && in_array($this->validateUid, $attrs['memberUid'])){
190 $found = TRUE;
191 }
192 }
193 break;
194 }
195 }
196 $match = $found;
197 }
199 $class = "";
200 if(!$match){
201 $class = "acl-viewer-blocked";
202 }
204 if(!empty($filter)) $filter =sprintf($filter_tpl,$class,$filter);
206 foreach($acl['members'] as $type => $name){
207 if(preg_match("/^G/", $type))
208 $gmem .= "\n <li>".$name."</li>";
209 }
210 if(!empty($gmem)) $gmem =sprintf($gmem_tpl,$class,$gmem);
212 foreach($acl['members'] as $type => $name){
213 if(!preg_match("/^G/", $type))
214 $umem .= "\n <li>".$name."</li>";
215 }
216 if(!empty($umem)) $umem = sprintf($umem_tpl,$class,$umem);
218 if($acl['type']!='reset'){
219 foreach($acl['acl'] as $type => $acl){
220 if(isset($this->classMapping[$type])){
221 $defs .= "<li>".$this->classMapping[$type].": ".$this->aclToString($acl)."</li>";
222 }else{
223 $defs .= "<li>".$type.": ".$this->aclToString($acl)."</li>";
224 }
225 }
226 if(!empty($defs)) $defs = sprintf($acl_tpl, $class,$defs);
227 }
228 $str.= sprintf($tpl,$class, image($image), $dn, $aclType, $filter.$gmem.$umem.$defs);
229 }
230 }
231 $str .= "</table>";
232 $this->renderedList = $str;
233 }
234 return($this->renderedList);
235 }
237 function aclToString($acls)
238 {
239 $str ="<ul>";
240 foreach($acls as $name => $acl){
241 if($name == "0") $name = _("All");
242 $str .= "<li>".$name;
243 $str .= "<ul>";
244 if(preg_match("/s/", $acl)){
245 $str.="<li>"._("Grant permission to owner").'</li>';
246 }
247 if(preg_match("/r/", $acl)) $str.="<li>"._("read").'</li>';
248 if(preg_match("/w/", $acl)) $str.="<li>"._("write").'</li>';
249 if(preg_match("/c/", $acl)) $str.="<li>"._("Create").'</li>';
250 if(preg_match("/d/", $acl)) $str.="<li>"._("Remove").'</li>';
251 if(preg_match("/m/", $acl)) $str.="<li>"._("Move").'</li>';
252 $str.= "</ul>";
253 }
254 return($str."</ul>");
255 }
256 }
258 ?>