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<?php /*
ocPortal
Copyright (c) ocProducts, 2004-2012
See text/EN/licence.txt for full licencing information.
NOTE TO PROGRAMMERS:
Do not edit this file. If you need to make changes, save your changed file to the appropriate *_custom folder
**** If you ignore this advice, then your website upgrades (e.g. for bug fixes) will likely kill your changes ****
*/
/**
* @license http://opensource.org/licenses/cpal_1.0 Common Public Attribution License
* @copyright ocProducts Ltd
* @package core
*/
/**
* Log permission checks to the permission_checks.log file
*
* @param MEMBER The user checking against
* @param ID_TEXT The function that was called to check a permission
* @param array Parameters to this permission-checking function
* @param boolean Whether the permission was held
*/
function _handle_permission_check_logging($member,$op,$params,$result)
{
global $PERMISSION_CHECK_LOGGER;
if ($op=='has_specific_permission')
{
require_all_lang();
$params[0]=$params[0].' ("'.do_lang('PT_'.$params[0]).'")';
}
$str=$op;
if (count($params)!=0)
{
$str.=': ';
foreach ($params as $i=>$p)
{
if ($i!=0) $str.=',';
$str.=is_string($p)?$p:(is_null($p)?'':strval($p));
}
}
if (($PERMISSION_CHECK_LOGGER!==false) && (!$result))
{
fwrite($PERMISSION_CHECK_LOGGER,"\t".$str);
$username=$GLOBALS['FORUM_DRIVER']->get_username($member);
if (is_null($username)) $username=do_lang('UNKNOWN');
if ($member!=get_member()) fwrite($PERMISSION_CHECK_LOGGER,' -- '.$username);
// fwrite($PERMISSION_CHECK_LOGGER,' --> '.($result?do_lang('YES'):do_lang('NO')).chr(10));
fwrite($PERMISSION_CHECK_LOGGER,chr(10));
sync_file(get_custom_file_base().'/data_custom/permissioncheckslog.php');
}
if ((function_exists('fb')) && (get_param_integer('keep_firephp',0)==1) && (!headers_sent()))
{
fb('Permission check '.($result?'PASSED':'FAILED').': '.$str);
}
}
/**
* Find if a group has a specified permission
*
* @param GROUP The being checked whether to have the permission
* @param ID_TEXT The ID code for the permission being checked for
* @param ?ID_TEXT The ID code for the page being checked (NULL: current page)
* @param ?array A list of cat details to require access to (c-type-1,c-id-1,c-type-2,c-d-2,...) (NULL: N/A)
* @return boolean Whether the member has the permission
*/
function has_specific_permission_group($group_id,$permission,$page=NULL,$cats=NULL)
{
if (is_null($page)) $page=get_page_name();
global $GROUP_SPECIFIC_PERMISSION_CACHE;
if (array_key_exists($group_id,$GROUP_SPECIFIC_PERMISSION_CACHE))
{
if (!is_null($cats))
{
for ($i=0;$i<intval(floor(count($cats)/2));$i++)
{
if (is_null($cats[$i*2])) continue;
if (isset($GROUP_SPECIFIC_PERMISSION_CACHE[$group_id][$permission][''][$cats[$i*2+0]][$cats[$i*2+1]]))
{
return $GROUP_SPECIFIC_PERMISSION_CACHE[$group_id][$permission][''][$cats[$i*2+0]][$cats[$i*2+1]]==1;
}
}
}
if ($page!='')
{
if (isset($GROUP_SPECIFIC_PERMISSION_CACHE[$group_id][$permission][$page]['']['']))
{
return $GROUP_SPECIFIC_PERMISSION_CACHE[$group_id][$permission][$page]['']['']==1;
}
}
if (isset($GROUP_SPECIFIC_PERMISSION_CACHE[$group_id][$permission]['']['']['']))
{
return $GROUP_SPECIFIC_PERMISSION_CACHE[$group_id][$permission]['']['']['']==1;
}
return false;
}
$perhaps=$GLOBALS['SITE_DB']->query_select('gsp',array('*'),array('group_id'=>$group_id));
if ((isset($GLOBALS['FORUM_DB'])) && ($GLOBALS['SITE_DB']->connection_write!=$GLOBALS['FORUM_DB']->connection_write) && (get_forum_type()=='ocf'))
{
$perhaps=array_merge($perhaps,$GLOBALS['FORUM_DB']->query('SELECT * FROM '.$GLOBALS['FORUM_DB']->get_table_prefix().'gsp WHERE group_id='.strval($group_id).' AND '.db_string_equal_to('module_the_name','forums'),NULL,NULL,false,true));
}
$GROUP_SPECIFIC_PERMISSION_CACHE[$group_id]=array();
foreach ($perhaps as $p)
{
if (@$GROUP_SPECIFIC_PERMISSION_CACHE[$group_id][$p['specific_permission']][$p['the_page']][$p['module_the_name']][$p['category_name']]!=1)
$GROUP_SPECIFIC_PERMISSION_CACHE[$group_id][$p['specific_permission']][$p['the_page']][$p['module_the_name']][$p['category_name']]=$p['the_value'];
}
return has_specific_permission_group($group_id,$permission,$page,$cats);
}
/**
* Gather the permissions for the specified category as a form field input matrix.
*
* @param ID_TEXT The ID code for the module being checked for category access
* @param ID_TEXT The ID code for the category being checked for access (often, a number cast to a string)
* @param ?ID_TEXT The page this is for (NULL: current page)
* @param ?tempcode Extra help to show in interface (NULL: none)
* @param boolean Whether this is a new category (don't load permissions, default to on)
* @param ?tempcode Label for view permissions (NULL: default)
* @return tempcode The form field matrix
*/
function get_category_permissions_for_environment($module,$category,$page=NULL,$help=NULL,$new_category=false,$pinterface_view=NULL)
{
if (is_null($page)) $page=get_page_name();
if ($category=='-1') $category=NULL;
if ($category=='') $category=NULL;
$server_id=get_module_zone($page).':'.$page; // $category is not of interest to us because we use this to find our inheritance settings
$admin_groups=$GLOBALS['FORUM_DRIVER']->get_super_admin_groups();
$groups=$GLOBALS['FORUM_DRIVER']->get_usergroup_list(true,true);
// View access
$access=array();
foreach (array_keys($groups) as $id)
{
$access[$id]=$new_category?1:0;
}
if (!$new_category)
{
$access_rows=$GLOBALS[($module=='forums')?'FORUM_DB':'SITE_DB']->query_select('group_category_access',array('group_id'),array('module_the_name'=>$module,'category_name'=>$category));
foreach ($access_rows as $row)
{
$access[$row['group_id']]=1;
}
}
// privileges
$specific_permissions=array();
$access_rows=$GLOBALS[($module=='forums')?'FORUM_DB':'SITE_DB']->query_select('gsp',array('group_id','specific_permission','the_value'),array('module_the_name'=>$module,'category_name'=>$category));
foreach ($access_rows as $row)
{
$specific_permissions[$row['specific_permission']][$row['group_id']]=strval($row['the_value']);
}
// Heading
require_code('zones2');
$_overridables=extract_module_functions_page(get_module_zone($page),$page,array('get_sp_overrides'));
$out=new ocp_tempcode;
if (is_null($_overridables[0]))
{
$temp=do_template('FORM_SCREEN_FIELD_SPACER',array('TITLE'=>do_lang_tempcode('PERMISSIONS'),'HELP'=>$help,'SECTION_HIDDEN'=>true));
$overridables=array();
} else
{
require_lang('permissions');
$temp=do_template('FORM_SCREEN_FIELD_SPACER',array('TITLE'=>do_lang_tempcode('PERMISSIONS'),'HELP'=>do_lang_tempcode('PINTERACE_HELP'),'SECTION_HIDDEN'=>true));
$overridables=is_array($_overridables[0])?call_user_func_array($_overridables[0][0],$_overridables[0][1]):eval($_overridables[0]);
}
$out->attach($temp);
// Find out inherited permissions
$default_access=array();
$all_groups=$GLOBALS['FORUM_DRIVER']->get_usergroup_list(true);
foreach (array_keys($access) as $id)
if ((!array_key_exists($id,$groups)) && (array_key_exists($id,$all_groups)))
$groups[$id]=$all_groups[$id];
foreach ($groups as $id=>$group_name)
{
$default_access[$id]=array();
if (!in_array($id,$admin_groups))
{
foreach ($overridables as $override=>$cat_support)
{
if (is_array($cat_support)) $cat_support=$cat_support[0];
$default_access[$id][$override]=array();
if ($cat_support==0) continue;
$default_access[$id][$override]=has_specific_permission_group($id,$override,$page)?'1':'0';
}
}
}
// Render actual permissions matrix
$out->attach(get_permissions_matrix($server_id,$access,$overridables,$specific_permissions,$default_access,false,$pinterface_view));
return $out;
}
/**
* Create a form field input matrix for permission setting.
*
* @param ID_TEXT Permission ID (pagelink style) for the resource being set
* @param array An inverted list showing what view permissions are set for what we're setting permissions for
* @param array List of overridable privilege codes for what we're setting permissions for
* @param array List of privilege settings relating to what we're setting permissions for, from the database
* @param array Multi-dimensional array showing what the inherited defaults for this permission would be
* @param boolean Whether to not include the stuff to make it fit alongside other form fields in a normal form table
* @param ?tempcode Label for view permissions (NULL: default)
* @return tempcode The form field matrix
*/
function get_permissions_matrix($server_id,$access,$overridables,$specific_permissions,$default_access,$no_outer=false,$pinterface_view=NULL)
{
require_lang('permissions');
require_javascript('javascript_permissions');
$admin_groups=$GLOBALS['FORUM_DRIVER']->get_super_admin_groups();
$groups=$GLOBALS['FORUM_DRIVER']->get_usergroup_list(true,true);
if (is_null($pinterface_view)) $pinterface_view=do_lang_tempcode('PINTERFACE_VIEW');
// Permission rows for matrix
$permission_rows=new ocp_tempcode();
$all_groups=$GLOBALS['FORUM_DRIVER']->get_usergroup_list(true);
foreach (array_keys($access) as $id)
if ((!array_key_exists($id,$groups)) && (array_key_exists($id,$all_groups)))
$groups[$id]=$all_groups[$id];
foreach ($groups as $id=>$group_name)
{
if (!in_array($id,$admin_groups))
{
$perhaps=(count($access)==0)?1:$access[$id];
$view_access=$perhaps==1;
$tabindex=get_form_field_tabindex(NULL);
$overrides=new ocp_tempcode();
$all_global=true;
foreach (array_keys($overridables) as $override)
{
if (isset($specific_permissions[$override][$id])) $all_global=false;
}
foreach ($overridables as $override=>$cat_support)
{
$lang_string=do_lang_tempcode('PT_'.$override);
if (is_array($cat_support)) $lang_string=do_lang_tempcode($cat_support[1]);
if (is_array($cat_support)) $cat_support=$cat_support[0];
if ($cat_support==0) continue;
$overrides->attach(do_template('FORM_SCREEN_INPUT_PERMISSION_OVERRIDE',array('FORCE_PRESETS'=>$no_outer,'GROUP_NAME'=>$group_name,'VIEW_ACCESS'=>$view_access,'TABINDEX'=>strval($tabindex),'GROUP_ID'=>strval($id),'SP'=>$override,'ALL_GLOBAL'=>$all_global,'TITLE'=>$lang_string,'DEFAULT_ACCESS'=>$default_access[$id][$override],'CODE'=>isset($specific_permissions[$override][$id])?$specific_permissions[$override][$id]:'-1')));
}
$permission_rows->attach(do_template('FORM_SCREEN_INPUT_PERMISSION',array('_GUID'=>'e2c4459ae995d33376c07e498f1d973a','FORCE_PRESETS'=>$no_outer,'GROUP_NAME'=>$group_name,'OVERRIDES'=>$overrides->evaluate()/*FUDGEFUDGE*/,'ALL_GLOBAL'=>$all_global,'VIEW_ACCESS'=>$view_access,'TABINDEX'=>strval($tabindex),'GROUP_ID'=>strval($id),'PINTERFACE_VIEW'=>$pinterface_view)));
} else
{
$overridables_filtered=array();
foreach ($overridables as $override=>$cat_support)
{
if (is_array($cat_support)) $cat_support=$cat_support[0];
if ($cat_support==1) $overridables_filtered[$override]=1;
}
$permission_rows->attach(do_template('FORM_SCREEN_INPUT_PERMISSION_ADMIN',array('FORCE_PRESETS'=>$no_outer,'OVERRIDES'=>$overridables_filtered,'GROUP_NAME'=>$group_name,'GROUP_ID'=>strval($id),'PINTERFACE_VIEW'=>$pinterface_view)));
}
}
if ((count($overridables)==0) && (!$no_outer))
return $permission_rows;
// Find out colour for our vertical text image headings (CSS can't rotate text), using the CSS as a basis
$tmp_file=@file_get_contents(get_custom_file_base().'/themes/'.$GLOBALS['FORUM_DRIVER']->get_theme().'/templates_cached/'.user_lang().'/global.css');
$color='FF00FF';
$matches=array();
if ($tmp_file!==false)
{
if (preg_match('#\nth.*\sbackground-color:\s*\#([\dA-Fa-f]*);.*\}#sU',$tmp_file,$matches)!=0)
{
$color=$matches[1];
}
}
// For heading up the table matrix
$overrides_array=array();
foreach ($overridables as $override=>$cat_support)
{
$lang_string=do_lang_tempcode('PT_'.$override);
if (is_array($cat_support)) $lang_string=do_lang_tempcode($cat_support[1]);
if (is_array($cat_support)) $cat_support=$cat_support[0];
if ($cat_support==0) continue;
$overrides_array[$override]=array('TITLE'=>$lang_string);
}
// Finish off the matrix and return
$inner=do_template('FORM_SCREEN_INPUT_PERMISSION_MATRIX',array('_GUID'=>'0f019c7e60366fa04058097ee6f3829a','SERVER_ID'=>$server_id,'COLOR'=>$color,'OVERRIDES'=>$overrides_array,'PERMISSION_ROWS'=>$permission_rows));
if ($no_outer) return make_string_tempcode(static_evaluate_tempcode($inner));
return make_string_tempcode(static_evaluate_tempcode(do_template('FORM_SCREEN_INPUT_PERMISSION_MATRIX_OUTER',array('_GUID'=>'2a2f9f78f3639185300c92cab50767c5','INNER'=>$inner))));
}
/**
* Assuming that permission details are POSTed, set the permissions for the specified category, in the current page
*
* @param ID_TEXT The ID code for the module being checked for category access
* @param ID_TEXT The ID code for the category being checked for access (often, a number cast to a string)
* @param ?ID_TEXT The page this is for (NULL: current page)
*/
function set_category_permissions_from_environment($module,$category,$page=NULL)
{
if (is_null($page)) $page=get_page_name();
require_code('zones2');
$admin_groups=$GLOBALS['FORUM_DRIVER']->get_super_admin_groups();
$groups=$GLOBALS['FORUM_DRIVER']->get_usergroup_list(false,true);
// Based on old access settings, we may need to look at additional groups (clubs) that have permissions here
$access=array();
$access_rows=$GLOBALS[($module=='forums')?'FORUM_DB':'SITE_DB']->query_select('group_category_access',array('group_id'),array('module_the_name'=>$module,'category_name'=>$category));
foreach ($access_rows as $row)
$access[$row['group_id']]=1;
$all_groups=$GLOBALS['FORUM_DRIVER']->get_usergroup_list(true);
foreach (array_keys($access) as $id)
if ((!array_key_exists($id,$groups)) && (array_key_exists($id,$all_groups)))
$groups[$id]=$all_groups[$id];
foreach (array_keys($groups) as $group_id) // Only delete PERMISSIVE groups, so not to effect clubs
{
if (in_array($group_id,$admin_groups)) continue;
$GLOBALS[($module=='forums')?'FORUM_DB':'SITE_DB']->query_delete('group_category_access',array('module_the_name'=>$module,'category_name'=>$category,'group_id'=>$group_id));
}
$_overridables=extract_module_functions_page(get_module_zone($page),$page,array('get_sp_overrides'));
if (is_null($_overridables[0]))
{
$overridables=array();
} else
{
$overridables=is_array($_overridables[0])?call_user_func_array($_overridables[0][0],$_overridables[0][1]):eval($_overridables[0]);
}
foreach ($overridables as $override=>$cat_support)
{
if (is_array($cat_support)) $cat_support=$cat_support[0];
$GLOBALS[($module=='forums')?'FORUM_DB':'SITE_DB']->query_delete('gsp',array('specific_permission'=>$override,'module_the_name'=>$module,'category_name'=>$category));
}
foreach (array_keys($groups) as $group_id)
{
if (in_array($group_id,$admin_groups)) continue;
$value=post_param_integer('access_'.strval($group_id),0);
if ($value==1)
{
$GLOBALS[($module=='forums')?'FORUM_DB':'SITE_DB']->query_insert('group_category_access',array('module_the_name'=>$module,'category_name'=>$category,'group_id'=>$group_id),false,true); // Race/corruption condition
}
foreach ($overridables as $override=>$cat_support)
{
if (is_array($cat_support)) $cat_support=$cat_support[0];
if ($cat_support==0) continue;
$value=post_param_integer('access_'.strval($group_id).'_sp_'.$override,-1);
if ($value!=-1)
{
$GLOBALS[($module=='forums')?'FORUM_DB':'SITE_DB']->query_insert('gsp',array('specific_permission'=>$override,'group_id'=>$group_id,'module_the_name'=>$module,'category_name'=>$category,'the_page'=>'','the_value'=>$value));
}
}
}
decache('main_sitemap');
}
/**
* Gather the permissions for the specified page as form field inputs.
*
* @param ID_TEXT The ID code for the zone
* @param ID_TEXT The ID code for the page
* @param ?tempcode Extra help to show in interface (NULL: none)
* @return tempcode The form fields
*/
function get_page_permissions_for_environment($zone,$page,$help=NULL)
{
require_lang('permissions');
$admin_groups=$GLOBALS['FORUM_DRIVER']->get_super_admin_groups();
$groups=$GLOBALS['FORUM_DRIVER']->get_usergroup_list(true,true);
// View access
$access=array();
foreach (array_keys($groups) as $id)
{
$access[$id]=0;
}
$access_rows=$GLOBALS['SITE_DB']->query_select('group_page_access',array('group_id'),array('zone_name'=>$zone,'page_name'=>$page));
foreach ($access_rows as $row)
{
$access[$row['group_id']]=1;
}
// Interface
$fields=new ocp_tempcode();
$temp=do_template('FORM_SCREEN_FIELD_SPACER',array('TITLE'=>do_lang_tempcode('PERMISSIONS'),'HELP'=>$help,'SECTION_HIDDEN'=>true));
$fields->attach($temp);
foreach ($groups as $id=>$group_name)
{
if (!in_array($id,$admin_groups))
{
$perhaps=$access[$id];
$overrides=array();
$temp=form_input_tick(do_lang_tempcode('ACCESS_FOR',escape_html($group_name)),do_lang_tempcode('DESCRIPTION_ACCESS_FOR',escape_html($group_name)),'access_'.strval($id),$perhaps==0);
$fields->attach($temp);
}
}
return $fields;
}
/**
* Assuming that permission details are POSTed, set the permissions for the specified category, in the current page
*
* @param ID_TEXT The ID code for the zone
* @param ID_TEXT The ID code for the page
*/
function set_page_permissions_from_environment($zone,$page)
{
if (is_null($page)) $page=get_page_name();
$admin_groups=$GLOBALS['FORUM_DRIVER']->get_super_admin_groups();
$groups=$GLOBALS['FORUM_DRIVER']->get_usergroup_list(false,true);
$GLOBALS['SITE_DB']->query_delete('group_page_access',array('zone_name'=>$zone,'page_name'=>$page));
foreach (array_keys($groups) as $group_id)
{
if (in_array($group_id,$admin_groups)) continue;
$value=post_param_integer('access_'.strval($group_id),0);
if ($value==0)
{
$GLOBALS['SITE_DB']->query_insert('group_page_access',array('zone_name'=>$zone,'page_name'=>$page,'group_id'=>$group_id),false,true); // Race/corruption condition
}
}
decache('main_sitemap');
$GLOBALS['SITE_DB']->query_delete('cache');
if (function_exists('persistant_cache_empty')) persistant_cache_empty();
}
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