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824 lines
21 KiB
PHP
824 lines
21 KiB
PHP
<?php
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/**
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*
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* @package phpBB3
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* @version $Id$
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @package phpBB3
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* Permission/Auth class
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*/
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class auth
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{
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var $acl = array();
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var $acl_options = array();
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/**
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* Init permissions
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*/
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function acl(&$userdata)
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{
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global $db, $cache;
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$this->acl = array();
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if (!($this->acl_options = $cache->get('acl_options')))
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{
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$sql = 'SELECT auth_option, is_global, is_local
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FROM ' . ACL_OPTIONS_TABLE . '
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ORDER BY auth_option_id';
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$result = $db->sql_query($sql);
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$global = $local = 0;
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while ($row = $db->sql_fetchrow($result))
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{
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if ($row['is_global'])
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{
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$this->acl_options['global'][$row['auth_option']] = $global++;
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}
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if ($row['is_local'])
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{
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$this->acl_options['local'][$row['auth_option']] = $local++;
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}
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}
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$db->sql_freeresult($result);
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$cache->put('acl_options', $this->acl_options);
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$this->acl_clear_prefetch();
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$this->acl_cache($userdata);
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}
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else if (!trim($userdata['user_permissions']))
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{
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$this->acl_cache($userdata);
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}
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$user_permissions = explode("\n", $userdata['user_permissions']);
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foreach ($user_permissions as $f => $seq)
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{
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if ($seq)
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{
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$i = 0;
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while ($subseq = substr($seq, $i, 6))
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{
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if (!isset($this->acl[$f]))
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{
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$this->acl[$f] = '';
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}
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// We put the original bitstring into the acl array
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$this->acl[$f] .= str_pad(base_convert($subseq, 36, 2), 31, 0, STR_PAD_LEFT);
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$i += 6;
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}
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}
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}
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return;
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}
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/**
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* Look up an option
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* if the option is prefixed with !, then the result becomes negated
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*/
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function acl_get($opt, $f = 0)
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{
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static $cache;
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if (!isset($cache))
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{
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$cache = array();
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}
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$negate = false;
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if (strpos($opt, '!') === 0)
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{
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$negate = true;
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$opt = substr($opt, 1);
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}
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if (!isset($cache[$f][$opt]))
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{
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// We combine the global/local option with an OR because some options are global and local.
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// If the user has the global permission the local one is true too and vice versa
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$cache[$f][$opt] = false;
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// Is this option a global permission setting?
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if (isset($this->acl_options['global'][$opt]))
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{
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if (isset($this->acl[0]))
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{
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$cache[$f][$opt] = $this->acl[0]{$this->acl_options['global'][$opt]};
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}
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}
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// Is this option a local permission setting?
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if (isset($this->acl_options['local'][$opt]))
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{
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if (isset($this->acl[$f]))
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{
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$cache[$f][$opt] |= $this->acl[$f]{$this->acl_options['local'][$opt]};
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}
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}
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}
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// Founder always has all global options set to true...
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return ($negate) ? !$cache[$f][$opt] : $cache[$f][$opt];
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}
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/**
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* Get forums with the specified permission setting
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* if the option is prefixed with !, then the result becomes nagated
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*
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* @param bool $clean set to true if only values needs to be returned which are set/unset
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*/
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function acl_getf($opt, $clean = false)
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{
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static $cache;
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$acl_f = array();
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if (!isset($cache))
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{
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$cache = array();
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}
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$negate = false;
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if (strpos($opt, '!') === 0)
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{
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$negate = true;
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$opt = substr($opt, 1);
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}
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if (isset($this->acl_options['local'][$opt]))
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{
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foreach ($this->acl as $f => $bitstring)
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{
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// Skip global settings
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if (!$f)
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{
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continue;
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}
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$allowed = (!isset($cache[$f][$opt])) ? $this->acl_get($opt, $f) : $cache[$f][$opt];
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if (!$clean)
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{
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$acl_f[$f][$opt] = ($negate) ? !$allowed : $allowed;
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}
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else
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{
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if (($negate && !$allowed) || (!$negate && $allowed))
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{
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$acl_f[$f][$opt] = 1;
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}
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}
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}
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}
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return $acl_f;
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}
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/**
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* Get permission settings (more than one)
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*/
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function acl_gets()
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{
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$args = func_get_args();
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$f = array_pop($args);
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if (!is_numeric($f))
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{
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$args[] = $f;
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$f = 0;
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}
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// alternate syntax: acl_gets(array('m_', 'a_'), $forum_id)
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if (is_array($args[0]))
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{
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$args = $args[0];
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}
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$acl = 0;
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foreach ($args as $opt)
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{
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$acl |= $this->acl_get($opt, $f);
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}
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return $acl;
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}
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/**
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* Get permission listing based on user_id/options/forum_ids
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*/
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function acl_get_list($user_id = false, $opts = false, $forum_id = false)
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{
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$hold_ary = $this->acl_raw_data($user_id, $opts, $forum_id);
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$auth_ary = array();
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foreach ($hold_ary as $user_id => $forum_ary)
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{
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foreach ($forum_ary as $forum_id => $auth_option_ary)
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{
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foreach ($auth_option_ary as $auth_option => $auth_setting)
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{
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if ($auth_setting)
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{
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$auth_ary[$forum_id][$auth_option][] = $user_id;
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}
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}
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}
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}
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return $auth_ary;
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}
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/**
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* Cache data to user_permissions row
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*/
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function acl_cache(&$userdata)
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{
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global $db;
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// Empty user_permissions
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$userdata['user_permissions'] = '';
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$hold_ary = $this->acl_raw_data($userdata['user_id'], false, false);
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if (isset($hold_ary[$userdata['user_id']]))
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{
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$hold_ary = $hold_ary[$userdata['user_id']];
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}
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// Key 0 in $hold_ary are global options, all others are forum_ids
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// If this user is founder we're going to force fill the admin options ...
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if ($userdata['user_type'] == USER_FOUNDER)
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{
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foreach ($this->acl_options['global'] as $opt => $id)
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{
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if (strpos($opt, 'a_') === 0)
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{
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$hold_ary[0][$opt] = 1;
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}
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}
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}
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$hold_str = '';
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if (sizeof($hold_ary))
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{
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ksort($hold_ary);
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$last_f = 0;
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foreach ($hold_ary as $f => $auth_ary)
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{
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$ary_key = (!$f) ? 'global' : 'local';
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$bitstring = array();
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foreach ($this->acl_options[$ary_key] as $opt => $id)
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{
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if (isset($auth_ary[$opt]))
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{
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$bitstring[$id] = 1;
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$option_key = substr($opt, 0, strpos($opt, '_') + 1);
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// If one option is allowed, the global permission for this option has to be allowed too
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// example: if the user has the a_ permission this means he has one or more a_* permissions
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if (!isset($bitstring[$this->acl_options[$ary_key][$option_key]]) || !$bitstring[$this->acl_options[$ary_key][$option_key]])
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{
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$bitstring[$this->acl_options[$ary_key][$option_key]] = 1;
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}
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}
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else
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{
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$bitstring[$id] = 0;
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}
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}
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// Now this bitstring defines the permission setting for the current forum $f (or global setting)
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$bitstring = implode('', $bitstring);
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// The line number indicates the id, therefore we have to add empty lines for those ids not present
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$hold_str .= str_repeat("\n", $f - $last_f);
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// Convert bitstring for storage - we do not use binary/bytes because PHP's string functions are not fully binary safe
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for ($i = 0; $i < strlen($bitstring); $i += 31)
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{
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$hold_str .= str_pad(base_convert(str_pad(substr($bitstring, $i, 31), 31, 0, STR_PAD_RIGHT), 2, 36), 6, 0, STR_PAD_LEFT);
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}
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$last_f = $f;
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}
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unset($bitstring);
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$userdata['user_permissions'] = rtrim($hold_str);
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$sql = 'UPDATE ' . USERS_TABLE . "
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SET user_permissions = '" . $db->sql_escape($userdata['user_permissions']) . "'
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WHERE user_id = " . $userdata['user_id'];
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$db->sql_query($sql);
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}
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unset($hold_ary);
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return;
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}
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/**
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* Clear one or all users cached permission settings
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*/
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function acl_clear_prefetch($user_id = false)
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{
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global $db;
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$where_sql = ($user_id !== false) ? ' WHERE user_id ' . ((is_array($user_id)) ? ' IN (' . implode(', ', array_map('intval', $user_id)) . ')' : " = $user_id") : '';
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$sql = 'UPDATE ' . USERS_TABLE . "
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SET user_permissions = ''
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$where_sql";
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$db->sql_query($sql);
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return;
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}
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/**
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* Get raw acl data based on user/option/forum
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*/
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function acl_raw_data($user_id = false, $opts = false, $forum_id = false)
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{
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global $db;
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$sql_user = ($user_id !== false) ? ((!is_array($user_id)) ? "user_id = $user_id" : 'user_id IN (' . implode(', ', $user_id) . ')') : '';
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$sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? "AND a.forum_id = $forum_id" : 'AND a.forum_id IN (' . implode(', ', $forum_id) . ')') : '';
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$sql_opts = '';
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if ($opts !== false)
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{
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if (!is_array($opts))
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{
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$sql_opts = (strpos($opts, '%') !== false) ? "AND ao.auth_option LIKE '" . $db->sql_escape($opts) . "'" : "AND ao.auth_option = '" . $db->sql_escape($opts) . "'";
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}
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else
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{
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$sql_opts = 'AND ao.auth_option IN (' . implode(', ', preg_replace('#^\s*(.*)\s*$#e', "\"'\" . \$db->sql_escape('\\1') . \"'\"", $opts)) . ')';
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}
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}
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$hold_ary = array();
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// First grab user settings ... each user has only one setting for each
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// option ... so we shouldn't need any ACL_NO checks ... he says ...
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$sql = 'SELECT ao.auth_option, a.user_id, a.forum_id, a.auth_setting
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FROM ' . ACL_OPTIONS_TABLE . ' ao, ' . ACL_USERS_TABLE . ' a
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WHERE ao.auth_option_id = a.auth_option_id
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' . (($sql_user) ? 'AND a.' . $sql_user : '') . "
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$sql_forum
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$sql_opts
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ORDER BY a.forum_id, ao.auth_option";
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$hold_ary[$row['user_id']][$row['forum_id']][$row['auth_option']] = $row['auth_setting'];
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}
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$db->sql_freeresult($result);
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// Now grab group settings ... ACL_NO overrides ACL_YES so act appropriatley
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$sql = 'SELECT ug.user_id, ao.auth_option, a.forum_id, a.auth_setting
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FROM ' . USER_GROUP_TABLE . ' ug, ' . ACL_OPTIONS_TABLE . ' ao, ' . ACL_GROUPS_TABLE . ' a
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WHERE ao.auth_option_id = a.auth_option_id
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AND a.group_id = ug.group_id
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' . (($sql_user) ? 'AND ug.' . $sql_user : '') . "
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$sql_forum
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$sql_opts
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ORDER BY a.forum_id, ao.auth_option";
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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if (!isset($hold_ary[$row['user_id']][$row['forum_id']][$row['auth_option']]) || (isset($hold_ary[$row['user_id']][$row['forum_id']][$row['auth_option']]) && $hold_ary[$row['user_id']][$row['forum_id']][$row['auth_option']] != ACL_NO))
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{
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$hold_ary[$row['user_id']][$row['forum_id']][$row['auth_option']] = $row['auth_setting'];
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}
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}
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$db->sql_freeresult($result);
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return $hold_ary;
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}
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/**
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* Get raw group based permission settings
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*/
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function acl_group_raw_data($group_id = false, $opts = false, $forum_id = false)
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{
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global $db;
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$sql_group = ($group_id !== false) ? ((!is_array($group_id)) ? "group_id = $group_id" : 'group_id IN (' . implode(', ', $group_id) . ')') : '';
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$sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? "AND a.forum_id = $forum_id" : 'AND a.forum_id IN (' . implode(', ', $forum_id) . ')') : '';
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if ($opts !== false)
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{
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if (!is_array($opts))
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{
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$sql_opts = (strpos($opts, '%') !== false) ? "AND ao.auth_option LIKE '" . $db->sql_escape($opts) . "'" : "AND ao.auth_option = '" . $db->sql_escape($opts) . "'";
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}
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else
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{
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$sql_opts = 'AND ao.auth_option IN (' . implode(', ', preg_replace('#^\s*(.*)\s*$#e', "\"'\" . \$db->sql_escape('\\1') . \"'\"", $opts)) . ')';
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}
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}
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$hold_ary = array();
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// Grab group settings...
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$sql = 'SELECT a.group_id, ao.auth_option, a.forum_id, a.auth_setting
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FROM ' . ACL_OPTIONS_TABLE . ' ao, ' . ACL_GROUPS_TABLE . ' a
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WHERE ao.auth_option_id = a.auth_option_id
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' . (($sql_group) ? 'AND a.' . $sql_group : '') . "
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$sql_forum
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$sql_opts
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ORDER BY a.forum_id, ao.auth_option";
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$hold_ary[$row['group_id']][$row['forum_id']][$row['auth_option']] = $row['auth_setting'];
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}
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$db->sql_freeresult($result);
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return $hold_ary;
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}
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/**
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* Authentication plug-ins is largely down to Sergey Kanareykin, our thanks to him.
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* @todo replace this with a new system
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*/
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function login($username, $password, $autologin = false, $viewonline = 1, $admin = 0)
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{
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global $config, $db, $user, $phpbb_root_path, $phpEx;
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$method = trim($config['auth_method']);
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if (file_exists($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx))
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{
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include_once($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx);
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$method = 'login_' . $method;
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if (function_exists($method))
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{
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$login = $method($username, $password);
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// If login returned anything other than an array there was an error
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if (!is_array($login))
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{
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/**
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* @todo Login Attempt++
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*/
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return $login;
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}
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return $user->session_create($login['user_id'], $admin, $autologin, $viewonline);
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}
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}
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trigger_error('Authentication method not found', E_USER_ERROR);
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}
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}
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/**
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* @package phpBB3
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*/
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class auth_admin extends auth
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{
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/**
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* Init auth settings
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*/
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function auth_admin()
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{
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global $db, $cache;
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|
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if (($this->acl_options = $cache->get('acl_options')) === false)
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{
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$sql = 'SELECT auth_option, is_global, is_local
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FROM ' . ACL_OPTIONS_TABLE . '
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ORDER BY auth_option_id';
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$result = $db->sql_query($sql);
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$global = $local = 0;
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while ($row = $db->sql_fetchrow($result))
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{
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if ($row['is_global'])
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{
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$this->acl_options['global'][$row['auth_option']] = $global++;
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}
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if ($row['is_local'])
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{
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$this->acl_options['local'][$row['auth_option']] = $local++;
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}
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}
|
|
$db->sql_freeresult($result);
|
|
|
|
$cache->put('acl_options', $this->acl_options);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get permission mask
|
|
* This function only supports getting permissions of one type (for example a_%)
|
|
*
|
|
* @param user|forum|admin|mod_global|mod_local|custom $mode defining the permission mask to get (custom uses $auth_option and $scope)
|
|
* @param mixed $user_id user ids to search for (a user_id or a group_id has to be specified at least)
|
|
* @param mixed $group_id group ids to search for, return group related settings (a user_id or a group_id has to be specified at least)
|
|
* @param mixed $forum_id forum_ids to search for. Defining a forum id also means getting local settings (required for the modes forum and mod_local)
|
|
* @param string $auth_option if mode is 'custom' the auth_option defines the permission setting to look after
|
|
* @param local|global $scope if mode is 'custom' the scope defines the permission scope. If local, a forum_id is additionally required
|
|
*/
|
|
function get_mask($mode, $user_id = false, $group_id = false, $forum_id = false, $auth_option = false, $scope = false)
|
|
{
|
|
global $db;
|
|
|
|
$hold_ary = array();
|
|
$auth_option = '';
|
|
|
|
switch ($mode)
|
|
{
|
|
// Custom (not known) permissions
|
|
case 'custom':
|
|
|
|
if ($auth_option === false || $scope === false)
|
|
{
|
|
return array();
|
|
}
|
|
|
|
if ($forum_id !== false)
|
|
{
|
|
$hold_ary = ($group_id !== false) ? $this->acl_group_raw_data($group_id, $auth_option . '%', $forum_id) : $this->acl_raw_data($user_id, $auth_option . '%', $forum_id);
|
|
}
|
|
else
|
|
{
|
|
$hold_ary = ($group_id !== false) ? $this->acl_group_raw_data($group_id, $auth_option . '%') : $this->acl_raw_data($user_id, $auth_option . '%');
|
|
}
|
|
|
|
break;
|
|
|
|
// User Permission Mask
|
|
case 'user':
|
|
|
|
if ($group_id === false && $user_id === false)
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$hold_ary = ($group_id !== false) ? $this->acl_group_raw_data($group_id, 'u_%') : $this->acl_raw_data($user_id, 'u_%');
|
|
|
|
$auth_option = 'u_';
|
|
$scope = 'global';
|
|
|
|
break;
|
|
|
|
// Forum Permission Mask (User/Group based)
|
|
case 'forum':
|
|
|
|
if ($forum_id === false && ($group_id === false || $user_id === false))
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$hold_ary = ($group_id !== false) ? $this->acl_group_raw_data($group_id, 'f_%', $forum_id) : $this->acl_raw_data($user_id, 'f_%', $forum_id);
|
|
|
|
$auth_option = 'f_';
|
|
$scope = 'local';
|
|
|
|
break;
|
|
|
|
// Admin Permission Mask
|
|
case 'admin':
|
|
|
|
if ($group_id === false && $user_id === false)
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$hold_ary = ($group_id !== false) ? $this->acl_group_raw_data($group_id, 'a_%') : $this->acl_raw_data($user_id, 'a_%');
|
|
|
|
$auth_option = 'a_';
|
|
$scope = 'global';
|
|
|
|
break;
|
|
|
|
// Global Moderator Permission Mask
|
|
case 'mod_global':
|
|
|
|
if ($group_id === false && $user_id === false)
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$hold_ary = ($group_id !== false) ? $this->acl_group_raw_data($group_id, 'm_%') : $this->acl_raw_data($user_id, 'm_%');
|
|
|
|
$auth_option = 'm_';
|
|
$scope = 'global';
|
|
|
|
break;
|
|
|
|
// Moderator Permission Mask
|
|
case 'mod_local':
|
|
|
|
if ($forum_id === false && ($group_id === false || $user_id === false))
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$hold_ary = ($group_id !== false) ? $this->acl_group_raw_data($group_id, 'm_%', $forum_id) : $this->acl_raw_data($user_id, 'm_%', $forum_id);
|
|
|
|
$auth_option = 'm_';
|
|
$scope = 'local';
|
|
|
|
break;
|
|
}
|
|
|
|
// Make sure hold_ary is filled with every setting (prevents missing forums/users/groups)
|
|
$ug_id = ($group_id !== false) ? ((!is_array($group_id)) ? array($group_id) : $group_id) : ((!is_array($user_id)) ? array($user_id) : $user_id);
|
|
$forum_ids = ($forum_id !== false) ? ((!is_array($forum_id)) ? array($forum_id) : $forum_id) : array(0);
|
|
|
|
foreach ($ug_id as $_id)
|
|
{
|
|
if (!isset($hold_ary[$_id]))
|
|
{
|
|
$hold_ary[$_id] = array();
|
|
}
|
|
|
|
foreach ($forum_ids as $f_id)
|
|
{
|
|
if (!isset($hold_ary[$_id][$f_id]))
|
|
{
|
|
$hold_ary[$_id][$f_id] = array();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now, we need to fill the gaps with ACL_NO. ;)
|
|
|
|
// Only those options we need
|
|
$compare_options = array_diff(preg_replace('/^((?!' . $auth_option . ').+)|(' . $auth_option . ')$/', '', array_keys($this->acl_options[$scope])), array(''));
|
|
|
|
// Now switch back to keys
|
|
if (sizeof($compare_options))
|
|
{
|
|
$compare_options = array_combine($compare_options, array_fill(1, sizeof($compare_options), 0));
|
|
}
|
|
|
|
// Defining the user-function here to save some memory
|
|
$return_zero = create_function('$value', 'return 0;');
|
|
|
|
// Actually fill the gaps
|
|
if (sizeof($hold_ary))
|
|
{
|
|
foreach ($hold_ary as $ug_id => $row)
|
|
{
|
|
foreach ($row as $id => $options)
|
|
{
|
|
// Not a "fine" solution, but at all it's a 1-dimensional
|
|
// array_diff_key function filling the resulting array values with zeros
|
|
// The differences get merged into $hold_ary (all permissions having ACL_NO set)
|
|
$hold_ary[$ug_id][$id] = array_merge($options,
|
|
|
|
array_map($return_zero,
|
|
array_flip(
|
|
array_diff(
|
|
array_keys($compare_options), array_keys($options)
|
|
)
|
|
)
|
|
)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$hold_ary[($group_id !== false) ? $group_id : $user_id][(int) $forum_id] = $compare_options;
|
|
}
|
|
|
|
return $hold_ary;
|
|
}
|
|
|
|
/**
|
|
* NOTE: this function is not in use atm
|
|
* Add a new option to the list ... $options is a hash of form ->
|
|
* $options = array(
|
|
* 'local' => array('option1', 'option2', ...),
|
|
* 'global' => array('optionA', 'optionB', ...)
|
|
* );
|
|
*/
|
|
function acl_add_option($options)
|
|
{
|
|
global $db, $cache;
|
|
|
|
if (!is_array($options))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
$cur_options = array();
|
|
|
|
$sql = 'SELECT auth_option, is_global, is_local
|
|
FROM ' . ACL_OPTIONS_TABLE . '
|
|
ORDER BY auth_option_id';
|
|
$result = $db->sql_query($sql);
|
|
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
if ($row['is_global'])
|
|
{
|
|
$cur_options['global'][] = $row['auth_option'];
|
|
}
|
|
|
|
if ($row['is_local'])
|
|
{
|
|
$cur_options['local'][] = $row['auth_option'];
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
// Here we need to insert new options ... this requires discovering whether
|
|
// an options is global, local or both and whether we need to add an permission
|
|
// set flag (x_)
|
|
$new_options = array('local' => array(), 'global' => array());
|
|
|
|
foreach ($options as $type => $option_ary)
|
|
{
|
|
$option_ary = array_unique($option_ary);
|
|
|
|
foreach ($option_ary as $option_value)
|
|
{
|
|
if (!in_array($option_value, $cur_options[$type]))
|
|
{
|
|
$new_options[$type][] = $option_value;
|
|
}
|
|
|
|
$flag = substr($option_value, 0, strpos($option_value, '_') + 1);
|
|
|
|
if (!in_array($flag, $cur_options[$type]) && !in_array($flag, $new_options[$type]))
|
|
{
|
|
$new_options[$type][] = $flag;
|
|
}
|
|
}
|
|
}
|
|
unset($options);
|
|
|
|
$options = array();
|
|
$options['local'] = array_diff($new_options['local'], $new_options['global']);
|
|
$options['global'] = array_diff($new_options['global'], $new_options['local']);
|
|
$options['local_global'] = array_intersect($new_options['local'], $new_options['global']);
|
|
|
|
$sql_ary = array();
|
|
|
|
foreach ($options as $type => $option_ary)
|
|
{
|
|
foreach ($option_ary as $option)
|
|
{
|
|
$sql_ary[] = array(
|
|
'auth_option' => $option,
|
|
'is_global' => ($type == 'global' || $type == 'local_global') ? 1 : 0,
|
|
'is_local' => ($type == 'local' || $type == 'local_global') ? 1 : 0
|
|
);
|
|
}
|
|
}
|
|
|
|
if (sizeof($sql_ary))
|
|
{
|
|
switch (SQL_LAYER)
|
|
{
|
|
case 'mysql':
|
|
case 'mysql4':
|
|
case 'mysqli':
|
|
$db->sql_query('INSERT INTO ' . ACL_OPTIONS_TABLE . ' ' . $db->sql_build_array('MULTI_INSERT', $sql_ary));
|
|
break;
|
|
|
|
default:
|
|
foreach ($sql_ary as $ary)
|
|
{
|
|
$db->sql_query('INSERT INTO ' . ACL_OPTIONS_TABLE . ' ' . $db->sql_build_array('INSERT', $ary));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
$cache->destroy('acl_options');
|
|
|
|
return true;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|