51ff3226 |
1 | <?php |
2 | |
3 | class permissions { |
4 | |
5 | function isHierarch($node) { |
6 | |
7 | global $db; |
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); |
8dabb29b |
14 | $q="select nodes.node_creator,node_access.node_permission from nodes left join node_access on nodes.node_id=node_access.node_id and node_access.user_id='".$user_id."' where nodes.node_id='$hierarch'"; |
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15 | $result=$db->query($q); |
16 | $result->next(); |
17 | if ($result->getString('node_creator')==$user_id) |
18 | return true; |
19 | if ($result->getString('node_permission')=='master') |
20 | return true; |
21 | if ($result->getString('node_creator')=='operator') |
22 | return true; |
8dabb29b |
23 | // if ($user_id == 2045) // OMG |
24 | // return true; |
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25 | } |
26 | return false; |
27 | |
28 | } |
29 | |
30 | function checkPermissions($node) { |
31 | global $db; |
0338f511 |
32 | if (IsSet($_SESSION['user_id'])) { |
808a489e |
33 | $user_id=$_SESSION['user_id']; |
34 | } |
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35 | |
36 | /* |
8dabb29b |
37 | thousand lights // OMGto Hierarchy! |
51ff3226 |
38 | (check&set procedure for giving permissions for non-public subnodes according |
39 | to bottom-top Hierarchy |
40 | */ |
41 | if (($node['node_system_access']!='public' and $node['node_system_access']!='crypto') and empty($node['node_permission'])) { |
42 | $node_vector=trim(chunk_split($node['node_vector'],VECTOR_CHARS,';'),';'); |
43 | $hierarchy=array_reverse(explode(';',$node_vector)); |
44 | foreach ($hierarchy as $hierarch) { |
45 | $hierarch=ltrim($hierarch,0); |
8dabb29b |
46 | $q="select nodes.node_creator,nodes.node_system_access,node_access.node_permission from nodes left join node_access on nodes.node_id=node_access.node_id and node_access.user_id='".$user_id."' where nodes.node_id='$hierarch'"; |
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47 | $result=$db->query($q); |
48 | $result->next(); |
49 | $hierarchy_bounce[]=$hierarch; |
50 | |
51 | //if hierarch permission rights are different than that of the node, quit the process changing nothing |
52 | if ($result->getString('node_system_access')!=$node['node_system_access']) { |
53 | break; |
54 | } |
55 | |
56 | //if hierarch node_user relation exist, set it for node also |
57 | elseif ($result->getString('node_permission')!='') { |
58 | array_pop($hierarchy_bounce); |
59 | $node['node_permission']=$result->getString('node_permission'); |
07d8a19c |
60 | $q="update node_access set node_permission='".$result->getString('node_permission')."' where node_id='".$node['node_id']."' and user_id='".$user_id."'"; |
51ff3226 |
61 | $updated=$db->update($q); |
62 | if (!$updated && IsSet($_SESSION['user_id'])) { |
07d8a19c |
63 | $q="insert into node_access set node_permission='".$result->getString('node_permission')."', node_id='".$node['node_id']."',user_id='".$user_id."'"; |
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64 | $db->query($q); |
65 | } |
66 | break; |
67 | } |
68 | |
69 | //similiar.if user is creator of hierarch, give him access |
70 | elseif ($result->getString('node_creator')==$user_id) { |
71 | array_pop($hierarchy_bounce); |
72 | $node['node_permission']='access'; |
07d8a19c |
73 | $q="update node_access set node_permission='access' where node_id='".$node['node_id']."' and user_id='".$user_id."'"; |
51ff3226 |
74 | $updated=$db->update($q); |
75 | if (!$updated && IsSet($_SESSION['user_id'])) { |
07d8a19c |
76 | $q="insert into node_access set node_permission='access', node_id='".$node['node_id']."',user_id='".$user_id."'"; |
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77 | $db->query($q); |
78 | } |
79 | break; |
80 | } |
81 | |
82 | |
83 | |
84 | } |
85 | |
86 | } |
87 | |
88 | |
89 | //setting permissions for not logged in users |
07d8a19c |
90 | if ($user_id==$node['node_creator']) { |
91 | $permissions['r']=true; |
92 | $permissions['w']=true; |
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93 | } |
94 | |
07d8a19c |
95 | elseif (!$user_id) { |
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96 | |
97 | if ($node['node_external_access']=='yes' AND ($node['node_system_access']=='public' OR $node['node_system_access']=='moderated' OR $node['node_system_access']=='cube')) { |
98 | $permissions['r']=true; |
99 | $permissions['w']=false; |
100 | |
101 | } |
102 | |
103 | else { |
104 | |
105 | $permissions['r']=false; |
106 | $permissions['w']=false; |
107 | } |
108 | } |
109 | |
110 | //setting permissions for cube node |
111 | |
112 | elseif ($node['node_system_access']=='cube') { |
113 | |
114 | if (strpos($node['node_vector'],$_SESSION['cube_vector'])==true ) { |
115 | $permissions['r']=true; |
116 | $permissions['w']=true; |
117 | } |
118 | elseif (($node['node_permission']=='access')||($node['node_permission']=='op')||($node['node_permission']=='master')) { |
119 | $permissions['r']=true; |
120 | $permissions['w']=true; |
121 | } |
122 | |
123 | |
124 | else { |
125 | $permissions['r']=false; |
126 | $permissions['w']=false; |
127 | } |
128 | } |
129 | |
130 | |
131 | //setting permissions for private node |
132 | elseif ($node['node_system_access']=='private') { |
133 | if (empty($node['node_permission'])) { |
134 | $permissions['r']=false; |
135 | $permissions['w']=false; |
136 | } |
137 | elseif ($node['node_permission']=='ban') { |
138 | $permissions['r']=false; |
139 | $permissions['w']=false; |
140 | } |
141 | |
142 | elseif($node['node_permission']=='silence') { |
143 | $permissions['r']=true; |
144 | $permissions['w']=false; |
145 | } |
146 | else { |
147 | |
148 | $permissions['r']=true; |
149 | $permissions['w']=true; |
150 | } |
151 | } |
152 | |
153 | //setting permissions for moderated node |
154 | elseif ($node['node_system_access']=='moderated') { |
155 | if (($node['node_permission']=='access')||($node['node_permission']=='op')||($node['node_permission']=='master')) { |
156 | $permissions['r']=true; |
157 | $permissions['w']=true; |
158 | } |
159 | elseif ($node['node_permission']=='ban') { |
160 | $permissions['r']=false; |
161 | $permissions['w']=false; |
162 | } |
163 | |
164 | |
165 | else { |
166 | $permissions['r']=true; |
167 | $permissions['w']=false; |
168 | } |
169 | |
170 | } |
171 | |
172 | //setting rights for public node |
173 | elseif ($node['node_system_access']=='public') { |
174 | if ($node['node_permission']=='silence') { |
175 | $permissions['r']=true; |
176 | $permissions['w']=false; |
177 | } |
178 | |
179 | elseif ($node['node_permission']=='ban') { |
180 | $permissions['r']=false; |
181 | $permissions['w']=false; |
182 | } |
183 | |
184 | |
185 | else { |
186 | $permissions['r']=true; |
187 | $permissions['w']=true; |
188 | } |
189 | } |
190 | |
191 | |
192 | else { |
193 | $permissions['r']=true; |
194 | $permissions['w']=true; |
195 | } |
196 | return $permissions; |
197 | } |
198 | |
199 | } |
200 | |
201 | ?> |