5 function isHierarch($node) {
8 $user_id=$_SESSION['user_id'];
9 if (!$user_id) return false;
10 $node_vector=chunk_split($node['node_vector'],VECTOR_CHARS,';');
11 $hierarchy=explode(';',$node_vector);
12 foreach ($hierarchy as $hierarch) {
13 $hierarch=ltrim($hierarch,0);
14 $q="select nodes.node_creator,node_access.node_permission from nodes left join node_access on nodes.node_id=node_access.node_id and node_access.user_id='".$_SESSION['user_id']."' where nodes.node_id='$hierarch'";
15 $result=$db->query($q);
17 if ($result->getString('node_creator')==$user_id)
19 if ($result->getString('node_permission')=='master')
21 if ($result->getString('node_creator')=='operator')
30 function checkPermissions($node) {
32 $user_id=$_SESSION['user_id'];
35 thousand lights to Hierarchy!
36 (check&set procedure for giving permissions for non-public subnodes according
37 to bottom-top Hierarchy
39 if (($node['node_system_access']!='public' and $node['node_system_access']!='crypto') and empty($node['node_permission'])) {
40 $node_vector=trim(chunk_split($node['node_vector'],VECTOR_CHARS,';'),';');
41 $hierarchy=array_reverse(explode(';',$node_vector));
42 foreach ($hierarchy as $hierarch) {
43 $hierarch=ltrim($hierarch,0);
44 $q="select nodes.node_creator,nodes.node_system_access,node_access.node_permission from nodes left join node_access on nodes.node_id=node_access.node_id and node_access.user_id='".$_SESSION['user_id']."' where nodes.node_id='$hierarch'";
45 $result=$db->query($q);
47 $hierarchy_bounce[]=$hierarch;
49 //if hierarch permission rights are different than that of the node, quit the process changing nothing
50 if ($result->getString('node_system_access')!=$node['node_system_access']) {
54 //if hierarch node_user relation exist, set it for node also
55 elseif ($result->getString('node_permission')!='') {
56 array_pop($hierarchy_bounce);
57 $node['node_permission']=$result->getString('node_permission');
58 $q="update node_access set node_permission='".$result->getString('node_permission')."' where node_id='".$node['node_id']."' and user_id='".$_SESSION['user_id']."'";
59 $updated=$db->update($q);
60 if (!$updated && IsSet($_SESSION['user_id'])) {
61 $q="insert into node_access set node_permission='".$result->getString('node_permission')."', node_id='".$node['node_id']."',user_id='".$_SESSION['user_id']."'";
67 //similiar.if user is creator of hierarch, give him access
68 elseif ($result->getString('node_creator')==$user_id) {
69 array_pop($hierarchy_bounce);
70 $node['node_permission']='access';
71 $q="update node_access set node_permission='access' where node_id='".$node['node_id']."' and user_id='".$_SESSION['user_id']."'";
72 $updated=$db->update($q);
73 if (!$updated && IsSet($_SESSION['user_id'])) {
74 $q="insert into node_access set node_permission='access', node_id='".$node['node_id']."',user_id='".$_SESSION['user_id']."'";
87 //setting permissions for not logged in users
88 if ($_SESSION['user_id']==$node['node_creator']) {
89 $permissions['r']=true;
90 $permissions['w']=true;
93 elseif (!$_SESSION['user_id']) {
95 if ($node['node_external_access']=='yes' AND ($node['node_system_access']=='public' OR $node['node_system_access']=='moderated' OR $node['node_system_access']=='cube')) {
96 $permissions['r']=true;
97 $permissions['w']=false;
103 $permissions['r']=false;
104 $permissions['w']=false;
108 //setting permissions for cube node
110 elseif ($node['node_system_access']=='cube') {
112 if (strpos($node['node_vector'],$_SESSION['cube_vector'])==true ) {
113 $permissions['r']=true;
114 $permissions['w']=true;
116 elseif (($node['node_permission']=='access')||($node['node_permission']=='op')||($node['node_permission']=='master')) {
117 $permissions['r']=true;
118 $permissions['w']=true;
123 $permissions['r']=false;
124 $permissions['w']=false;
129 //setting permissions for private node
130 elseif ($node['node_system_access']=='private') {
131 if (empty($node['node_permission'])) {
132 $permissions['r']=false;
133 $permissions['w']=false;
135 elseif ($node['node_permission']=='ban') {
136 $permissions['r']=false;
137 $permissions['w']=false;
140 elseif($node['node_permission']=='silence') {
141 $permissions['r']=true;
142 $permissions['w']=false;
146 $permissions['r']=true;
147 $permissions['w']=true;
151 //setting permissions for moderated node
152 elseif ($node['node_system_access']=='moderated') {
153 if (($node['node_permission']=='access')||($node['node_permission']=='op')||($node['node_permission']=='master')) {
154 $permissions['r']=true;
155 $permissions['w']=true;
157 elseif ($node['node_permission']=='ban') {
158 $permissions['r']=false;
159 $permissions['w']=false;
164 $permissions['r']=true;
165 $permissions['w']=false;
170 //setting rights for public node
171 elseif ($node['node_system_access']=='public') {
172 if ($node['node_permission']=='silence') {
173 $permissions['r']=true;
174 $permissions['w']=false;
177 elseif ($node['node_permission']=='ban') {
178 $permissions['r']=false;
179 $permissions['w']=false;
184 $permissions['r']=true;
185 $permissions['w']=true;
191 $permissions['r']=true;
192 $permissions['w']=true;