+
+if (!@$SysPrefs->allow_gl_reopen)
+ unset($security_areas['SA_GLREOPEN']);
+/*
+ This function should be called whenever we want to extend core access level system
+ with new security areas and/or sections i.e.:
+ . on any page with non-standard security areas
+ . in security roles editor
+ The call should be placed between session.inc inclusion and page() call.
+ Up to 155 security sections and 155 security areas for any extension can be installed.
+*/
+function add_access_extensions()
+{
+ global $security_areas, $security_sections, $installed_extensions;
+
+ foreach($installed_extensions as $extid => $ext) {
+ $accext = hook_invoke($ext['package'], 'install_access', $dummy);
+ if ($accext == null) continue;
+
+ $scode = 100;
+ $acode = 100;
+ $extsections = $accext[1];
+ $extareas = $accext[0];
+ $extcode = $extid<<16;
+
+ $trans = array();
+ foreach($extsections as $code =>$name) {
+ $trans[$code] = $scode<<8;
+ // reassign section codes
+ $security_sections[$trans[$code]|$extcode] = $name;
+ $scode++;
+ }
+ foreach($extareas as $code => $area) {
+ $section = $area[0]&0xff00;
+ // extension modules:
+ // if area belongs to nonstandard section
+ // use translated section codes and
+ // preserve lower part of area code
+ if (isset($trans[$section])) {
+ $section = $trans[$section];
+ }
+ // otherwise assign next available
+ // area code >99
+ $area[0] = $extcode | $section | ($acode++);
+ $security_areas[$code] = $area;
+ }
+ }
+}
+
+function check_edit_access($name)
+{
+ global $input_security;
+
+ $access = @$input_security[$name];
+
+ if (!$access)
+ $access = @$input_security['']; // default access level
+
+ if (!$access)
+ return true; // if constraint is not defined edit access is allowed
+
+ return user_check_access($access);
+}
+/*
+ Returns POST value or null if edit access to $name control is forbidden.
+*/
+function access_post($name, $dflt=null)
+{
+ if (!check_edit_access($name))
+ return $dflt;
+ else
+ return get_post($name, $dflt);
+}
+
+/*
+ Returns numeric input value or null if edit access to $name control is forbidden.
+*/
+function access_num($name, $dflt=null)
+{
+ if (!check_edit_access($name))
+ return $dflt;
+ else
+ return input_num($name, $dflt);
+}
projects / fa-stable.git / blobdiff