-<?php

-/**

-*

-* @package phpBB3

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* Permission/Auth class

-* @package phpBB3

-*/

-class auth

-{

- var $acl = array();

- var $cache = array();

- var $acl_options = array();

- var $acl_forum_ids = false;

-

- /**

- * Init permissions

- */

- function acl(&$userdata)

- {

- global $db, $cache;

-

- $this->acl = $this->cache = $this->acl_options = array();

- $this->acl_forum_ids = false;

-

- if (($this->acl_options = $cache->get('_acl_options')) === false)

- {

- $sql = 'SELECT auth_option_id, auth_option, is_global, is_local

- FROM ' . ACL_OPTIONS_TABLE . '

- ORDER BY auth_option_id';

- $result = $db->sql_query($sql);

-

- $global = $local = 0;

- $this->acl_options = array();

- while ($row = $db->sql_fetchrow($result))

- {

- if ($row['is_global'])

- {

- $this->acl_options['global'][$row['auth_option']] = $global++;

- }

-

- if ($row['is_local'])

- {

- $this->acl_options['local'][$row['auth_option']] = $local++;

- }

-

- $this->acl_options['id'][$row['auth_option']] = (int) $row['auth_option_id'];

- $this->acl_options['option'][(int) $row['auth_option_id']] = $row['auth_option'];

- }

- $db->sql_freeresult($result);

-

- $cache->put('_acl_options', $this->acl_options);

- }

-

- if (!trim($userdata['user_permissions']))

- {

- $this->acl_cache($userdata);

- }

-

- // Fill ACL array

- $this->_fill_acl($userdata['user_permissions']);

-

- // Verify bitstring length with options provided...

- $renew = false;

- $global_length = sizeof($this->acl_options['global']);

- $local_length = sizeof($this->acl_options['local']);

-

- // Specify comparing length (bitstring is padded to 31 bits)

- $global_length = ($global_length % 31) ? ($global_length - ($global_length % 31) + 31) : $global_length;

- $local_length = ($local_length % 31) ? ($local_length - ($local_length % 31) + 31) : $local_length;

-

- // You thought we are finished now? Noooo... now compare them.

- foreach ($this->acl as $forum_id => $bitstring)

- {

- if (($forum_id && strlen($bitstring) != $local_length) || (!$forum_id && strlen($bitstring) != $global_length))

- {

- $renew = true;

- break;

- }

- }

-

- // If a bitstring within the list does not match the options, we have a user with incorrect permissions set and need to renew them

- if ($renew)

- {

- $this->acl_cache($userdata);

- $this->_fill_acl($userdata['user_permissions']);

- }

-

- return;

- }

-

- /**

- * Fill ACL array with relevant bitstrings from user_permissions column

- * @access private

- */

- function _fill_acl($user_permissions)

- {

- $seq_cache = array();

- $this->acl = array();

- $user_permissions = explode("\n", $user_permissions);

-

- foreach ($user_permissions as $f => $seq)

- {

- if ($seq)

- {

- $i = 0;

-

- if (!isset($this->acl[$f]))

- {

- $this->acl[$f] = '';

- }

-

- while ($subseq = substr($seq, $i, 6))

- {

- if (isset($seq_cache[$subseq]))

- {

- $converted = $seq_cache[$subseq];

- }

- else

- {

- $converted = $seq_cache[$subseq] = str_pad(base_convert($subseq, 36, 2), 31, 0, STR_PAD_LEFT);

- }

-

- // We put the original bitstring into the acl array

- $this->acl[$f] .= $converted;

- $i += 6;

- }

- }

- }

- }

-

- /**

- * Look up an option

- * if the option is prefixed with !, then the result becomes negated

- *

- * If a forum id is specified the local option will be combined with a global option if one exist.

- * If a forum id is not specified, only the global option will be checked.

- */

- function acl_get($opt, $f = 0)

- {

- $negate = false;

-

- if (strpos($opt, '!') === 0)

- {

- $negate = true;

- $opt = substr($opt, 1);

- }

-

- if (!isset($this->cache[$f][$opt]))

- {

- // We combine the global/local option with an OR because some options are global and local.

- // If the user has the global permission the local one is true too and vice versa

- $this->cache[$f][$opt] = false;

-

- // Is this option a global permission setting?

- if (isset($this->acl_options['global'][$opt]))

- {

- if (isset($this->acl[0]))

- {

- $this->cache[$f][$opt] = $this->acl[0][$this->acl_options['global'][$opt]];

- }

- }

-

- // Is this option a local permission setting?

- // But if we check for a global option only, we won't combine the options...

- if ($f != 0 && isset($this->acl_options['local'][$opt]))

- {

- if (isset($this->acl[$f]) && isset($this->acl[$f][$this->acl_options['local'][$opt]]))

- {

- $this->cache[$f][$opt] |= $this->acl[$f][$this->acl_options['local'][$opt]];

- }

- }

- }

-

- // Founder always has all global options set to true...

- return ($negate) ? !$this->cache[$f][$opt] : $this->cache[$f][$opt];

- }

-

- /**

- * Get forums with the specified permission setting

- * if the option is prefixed with !, then the result becomes nagated

- *

- * @param bool $clean set to true if only values needs to be returned which are set/unset

- */

- function acl_getf($opt, $clean = false)

- {

- $acl_f = array();

- $negate = false;

-

- if (strpos($opt, '!') === 0)

- {

- $negate = true;

- $opt = substr($opt, 1);

- }

-

- // If we retrieve a list of forums not having permissions in, we need to get every forum_id

- if ($negate)

- {

- if ($this->acl_forum_ids === false)

- {

- global $db;

-

- $sql = 'SELECT forum_id

- FROM ' . FORUMS_TABLE;

-

- if (sizeof($this->acl))

- {

- $sql .= ' WHERE ' . $db->sql_in_set('forum_id', array_keys($this->acl), true);

- }

- $result = $db->sql_query($sql);

-

- $this->acl_forum_ids = array();

- while ($row = $db->sql_fetchrow($result))

- {

- $this->acl_forum_ids[] = $row['forum_id'];

- }

- $db->sql_freeresult($result);

- }

- }

-

- if (isset($this->acl_options['local'][$opt]))

- {

- foreach ($this->acl as $f => $bitstring)

- {

- // Skip global settings

- if (!$f)

- {

- continue;

- }

-

- $allowed = (!isset($this->cache[$f][$opt])) ? $this->acl_get($opt, $f) : $this->cache[$f][$opt];

-

- if (!$clean)

- {

- $acl_f[$f][$opt] = ($negate) ? !$allowed : $allowed;

- }

- else

- {

- if (($negate && !$allowed) || (!$negate && $allowed))

- {

- $acl_f[$f][$opt] = 1;

- }

- }

- }

- }

-

- // If we get forum_ids not having this permission, we need to fill the remaining parts

- if ($negate && sizeof($this->acl_forum_ids))

- {

- foreach ($this->acl_forum_ids as $f)

- {

- $acl_f[$f][$opt] = 1;

- }

- }

-

- return $acl_f;

- }

-

- /**

- * Get local permission state for any forum.

- *

- * Returns true if user has the permission in one or more forums, false if in no forum.

- * If global option is checked it returns the global state (same as acl_get($opt))

- * Local option has precedence...

- */

- function acl_getf_global($opt)

- {

- if (is_array($opt))

- {

- // evaluates to true as soon as acl_getf_global is true for one option

- foreach ($opt as $check_option)

- {

- if ($this->acl_getf_global($check_option))

- {

- return true;

- }

- }

-

- return false;

- }

-

- if (isset($this->acl_options['local'][$opt]))

- {

- foreach ($this->acl as $f => $bitstring)

- {

- // Skip global settings

- if (!$f)

- {

- continue;

- }

-

- // as soon as the user has any permission we're done so return true

- if ((!isset($this->cache[$f][$opt])) ? $this->acl_get($opt, $f) : $this->cache[$f][$opt])

- {

- return true;

- }

- }

- }

- else if (isset($this->acl_options['global'][$opt]))

- {

- return $this->acl_get($opt);

- }

-

- return false;

- }

-

- /**

- * Get permission settings (more than one)

- */

- function acl_gets()

- {

- $args = func_get_args();

- $f = array_pop($args);

-

- if (!is_numeric($f))

- {

- $args[] = $f;

- $f = 0;

- }

-

- // alternate syntax: acl_gets(array('m_', 'a_'), $forum_id)

- if (is_array($args[0]))

- {

- $args = $args[0];

- }

-

- $acl = 0;

- foreach ($args as $opt)

- {

- $acl |= $this->acl_get($opt, $f);

- }

-

- return $acl;

- }

-

- /**

- * Get permission listing based on user_id/options/forum_ids

- *

- * Be careful when using this function with permissions a_, m_, u_ and f_ !

- * It may not work correctly. When a user group grants an a_* permission,

- * e.g. a_foo, but the user's a_foo permission is set to "Never", then

- * the user does not in fact have the a_ permission.

- * But the user will still be listed as having the a_ permission.

- *

- * For more information see: http://tracker.phpbb.com/browse/PHPBB3-10252

- */

- function acl_get_list($user_id = false, $opts = false, $forum_id = false)

- {

- if ($user_id !== false && !is_array($user_id) && $opts === false && $forum_id === false)

- {

- $hold_ary = array($user_id => $this->acl_raw_data_single_user($user_id));

- }

- else

- {

- $hold_ary = $this->acl_raw_data($user_id, $opts, $forum_id);

- }

-

- $auth_ary = array();

- foreach ($hold_ary as $user_id => $forum_ary)

- {

- foreach ($forum_ary as $forum_id => $auth_option_ary)

- {

- foreach ($auth_option_ary as $auth_option => $auth_setting)

- {

- if ($auth_setting)

- {

- $auth_ary[$forum_id][$auth_option][] = $user_id;

- }

- }

- }

- }

-

- return $auth_ary;

- }

-

- /**

- * Cache data to user_permissions row

- */

- function acl_cache(&$userdata)

- {

- global $db;

-

- // Empty user_permissions

- $userdata['user_permissions'] = '';

-

- $hold_ary = $this->acl_raw_data_single_user($userdata['user_id']);

-

- // Key 0 in $hold_ary are global options, all others are forum_ids

-

- // If this user is founder we're going to force fill the admin options ...

- if ($userdata['user_type'] == USER_FOUNDER)

- {

- foreach ($this->acl_options['global'] as $opt => $id)

- {

- if (strpos($opt, 'a_') === 0)

- {

- $hold_ary[0][$this->acl_options['id'][$opt]] = ACL_YES;

- }

- }

- }

-

- $hold_str = $this->build_bitstring($hold_ary);

-

- if ($hold_str)

- {

- $userdata['user_permissions'] = $hold_str;

-

- $sql = 'UPDATE ' . USERS_TABLE . "

- SET user_permissions = '" . $db->sql_escape($userdata['user_permissions']) . "',

- user_perm_from = 0

- WHERE user_id = " . $userdata['user_id'];

- $db->sql_query($sql);

- }

-

- return;

- }

-

- /**

- * Build bitstring from permission set

- */

- function build_bitstring(&$hold_ary)

- {

- $hold_str = '';

-

- if (sizeof($hold_ary))

- {

- ksort($hold_ary);

-

- $last_f = 0;

-

- foreach ($hold_ary as $f => $auth_ary)

- {

- $ary_key = (!$f) ? 'global' : 'local';

-

- $bitstring = array();

- foreach ($this->acl_options[$ary_key] as $opt => $id)

- {

- if (isset($auth_ary[$this->acl_options['id'][$opt]]))

- {

- $bitstring[$id] = $auth_ary[$this->acl_options['id'][$opt]];

-

- $option_key = substr($opt, 0, strpos($opt, '_') + 1);

-

- // If one option is allowed, the global permission for this option has to be allowed too

- // example: if the user has the a_ permission this means he has one or more a_* permissions

- if ($auth_ary[$this->acl_options['id'][$opt]] == ACL_YES && (!isset($bitstring[$this->acl_options[$ary_key][$option_key]]) || $bitstring[$this->acl_options[$ary_key][$option_key]] == ACL_NEVER))

- {

- $bitstring[$this->acl_options[$ary_key][$option_key]] = ACL_YES;

- }

- }

- else

- {

- $bitstring[$id] = ACL_NEVER;

- }

- }

-

- // Now this bitstring defines the permission setting for the current forum $f (or global setting)

- $bitstring = implode('', $bitstring);

-

- // The line number indicates the id, therefore we have to add empty lines for those ids not present

- $hold_str .= str_repeat("\n", $f - $last_f);

-

- // Convert bitstring for storage - we do not use binary/bytes because PHP's string functions are not fully binary safe

- for ($i = 0, $bit_length = strlen($bitstring); $i < $bit_length; $i += 31)

- {

- $hold_str .= str_pad(base_convert(str_pad(substr($bitstring, $i, 31), 31, 0, STR_PAD_RIGHT), 2, 36), 6, 0, STR_PAD_LEFT);

- }

-

- $last_f = $f;

- }

- unset($bitstring);

-

- $hold_str = rtrim($hold_str);

- }

-

- return $hold_str;

- }

-

- /**

- * Clear one or all users cached permission settings

- */

- function acl_clear_prefetch($user_id = false)

- {

- global $db, $cache;

-

- // Rebuild options cache

- $cache->destroy('_role_cache');

-

- $sql = 'SELECT *

- FROM ' . ACL_ROLES_DATA_TABLE . '

- ORDER BY role_id ASC';

- $result = $db->sql_query($sql);

-

- $this->role_cache = array();

- while ($row = $db->sql_fetchrow($result))

- {

- $this->role_cache[$row['role_id']][$row['auth_option_id']] = (int) $row['auth_setting'];

- }

- $db->sql_freeresult($result);

-

- foreach ($this->role_cache as $role_id => $role_options)

- {

- $this->role_cache[$role_id] = serialize($role_options);

- }

-

- $cache->put('_role_cache', $this->role_cache);

-

- // Now empty user permissions

- $where_sql = '';

-

- if ($user_id !== false)

- {

- $user_id = (!is_array($user_id)) ? $user_id = array((int) $user_id) : array_map('intval', $user_id);

- $where_sql = ' WHERE ' . $db->sql_in_set('user_id', $user_id);

- }

-

- $sql = 'UPDATE ' . USERS_TABLE . "

- SET user_permissions = '',

- user_perm_from = 0

- $where_sql";

- $db->sql_query($sql);

-

- return;

- }

-

- /**

- * Get assigned roles

- */

- function acl_role_data($user_type, $role_type, $ug_id = false, $forum_id = false)

- {

- global $db;

-

- $roles = array();

-

- $sql_id = ($user_type == 'user') ? 'user_id' : 'group_id';

-

- $sql_ug = ($ug_id !== false) ? ((!is_array($ug_id)) ? "AND a.$sql_id = $ug_id" : 'AND ' . $db->sql_in_set("a.$sql_id", $ug_id)) : '';

- $sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? "AND a.forum_id = $forum_id" : 'AND ' . $db->sql_in_set('a.forum_id', $forum_id)) : '';

-

- // Grab assigned roles...

- $sql = 'SELECT a.auth_role_id, a.' . $sql_id . ', a.forum_id

- FROM ' . (($user_type == 'user') ? ACL_USERS_TABLE : ACL_GROUPS_TABLE) . ' a, ' . ACL_ROLES_TABLE . " r

- WHERE a.auth_role_id = r.role_id

- AND r.role_type = '" . $db->sql_escape($role_type) . "'

- $sql_ug

- $sql_forum

- ORDER BY r.role_order ASC";

- $result = $db->sql_query($sql);

-

- while ($row = $db->sql_fetchrow($result))

- {

- $roles[$row[$sql_id]][$row['forum_id']] = $row['auth_role_id'];

- }

- $db->sql_freeresult($result);

-

- return $roles;

- }

-

- /**

- * Get raw acl data based on user/option/forum

- */

- function acl_raw_data($user_id = false, $opts = false, $forum_id = false)

- {

- global $db;

-

- $sql_user = ($user_id !== false) ? ((!is_array($user_id)) ? 'user_id = ' . (int) $user_id : $db->sql_in_set('user_id', array_map('intval', $user_id))) : '';

- $sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? 'AND a.forum_id = ' . (int) $forum_id : 'AND ' . $db->sql_in_set('a.forum_id', array_map('intval', $forum_id))) : '';

-

- $sql_opts = $sql_opts_select = $sql_opts_from = '';

- $hold_ary = array();

-

- if ($opts !== false)

- {

- $sql_opts_select = ', ao.auth_option';

- $sql_opts_from = ', ' . ACL_OPTIONS_TABLE . ' ao';

- $this->build_auth_option_statement('ao.auth_option', $opts, $sql_opts);

- }

-

- $sql_ary = array();

-

- // Grab non-role settings - user-specific

- $sql_ary[] = 'SELECT a.user_id, a.forum_id, a.auth_setting, a.auth_option_id' . $sql_opts_select . '

- FROM ' . ACL_USERS_TABLE . ' a' . $sql_opts_from . '

- WHERE a.auth_role_id = 0 ' .

- (($sql_opts_from) ? 'AND a.auth_option_id = ao.auth_option_id ' : '') .

- (($sql_user) ? 'AND a.' . $sql_user : '') . "

- $sql_forum

- $sql_opts";

-

- // Now the role settings - user-specific

- $sql_ary[] = 'SELECT a.user_id, a.forum_id, r.auth_option_id, r.auth_setting, r.auth_option_id' . $sql_opts_select . '

- FROM ' . ACL_USERS_TABLE . ' a, ' . ACL_ROLES_DATA_TABLE . ' r' . $sql_opts_from . '

- WHERE a.auth_role_id = r.role_id ' .

- (($sql_opts_from) ? 'AND r.auth_option_id = ao.auth_option_id ' : '') .

- (($sql_user) ? 'AND a.' . $sql_user : '') . "

- $sql_forum

- $sql_opts";

-

- foreach ($sql_ary as $sql)

- {

- $result = $db->sql_query($sql);

-

- while ($row = $db->sql_fetchrow($result))

- {

- $option = ($sql_opts_select) ? $row['auth_option'] : $this->acl_options['option'][$row['auth_option_id']];

- $hold_ary[$row['user_id']][$row['forum_id']][$option] = $row['auth_setting'];

- }

- $db->sql_freeresult($result);

- }

-

- $sql_ary = array();

-

- // Now grab group settings - non-role specific...

- $sql_ary[] = 'SELECT ug.user_id, a.forum_id, a.auth_setting, a.auth_option_id' . $sql_opts_select . '

- FROM ' . ACL_GROUPS_TABLE . ' a, ' . USER_GROUP_TABLE . ' ug, ' . GROUPS_TABLE . ' g' . $sql_opts_from . '

- WHERE a.auth_role_id = 0 ' .

- (($sql_opts_from) ? 'AND a.auth_option_id = ao.auth_option_id ' : '') . '

- AND a.group_id = ug.group_id

- AND g.group_id = ug.group_id

- AND ug.user_pending = 0

- AND NOT (ug.group_leader = 1 AND g.group_skip_auth = 1)

- ' . (($sql_user) ? 'AND ug.' . $sql_user : '') . "

- $sql_forum

- $sql_opts";

-

- // Now grab group settings - role specific...

- $sql_ary[] = 'SELECT ug.user_id, a.forum_id, r.auth_setting, r.auth_option_id' . $sql_opts_select . '

- FROM ' . ACL_GROUPS_TABLE . ' a, ' . USER_GROUP_TABLE . ' ug, ' . GROUPS_TABLE . ' g, ' . ACL_ROLES_DATA_TABLE . ' r' . $sql_opts_from . '

- WHERE a.auth_role_id = r.role_id ' .

- (($sql_opts_from) ? 'AND r.auth_option_id = ao.auth_option_id ' : '') . '

- AND a.group_id = ug.group_id

- AND g.group_id = ug.group_id

- AND ug.user_pending = 0

- AND NOT (ug.group_leader = 1 AND g.group_skip_auth = 1)

- ' . (($sql_user) ? 'AND ug.' . $sql_user : '') . "

- $sql_forum

- $sql_opts";

-

- foreach ($sql_ary as $sql)

- {

- $result = $db->sql_query($sql);

-

- while ($row = $db->sql_fetchrow($result))

- {

- $option = ($sql_opts_select) ? $row['auth_option'] : $this->acl_options['option'][$row['auth_option_id']];

-

- if (!isset($hold_ary[$row['user_id']][$row['forum_id']][$option]) || (isset($hold_ary[$row['user_id']][$row['forum_id']][$option]) && $hold_ary[$row['user_id']][$row['forum_id']][$option] != ACL_NEVER))

- {

- $hold_ary[$row['user_id']][$row['forum_id']][$option] = $row['auth_setting'];

-

- // If we detect ACL_NEVER, we will unset the flag option (within building the bitstring it is correctly set again)

- if ($row['auth_setting'] == ACL_NEVER)

- {

- $flag = substr($option, 0, strpos($option, '_') + 1);

-

- if (isset($hold_ary[$row['user_id']][$row['forum_id']][$flag]) && $hold_ary[$row['user_id']][$row['forum_id']][$flag] == ACL_YES)

- {

- unset($hold_ary[$row['user_id']][$row['forum_id']][$flag]);

-

-/* if (in_array(ACL_YES, $hold_ary[$row['user_id']][$row['forum_id']]))

- {

- $hold_ary[$row['user_id']][$row['forum_id']][$flag] = ACL_YES;

- }

-*/

- }

- }

- }

- }

- $db->sql_freeresult($result);

- }

-

- return $hold_ary;

- }

-

- /**

- * Get raw user based permission settings

- */

- function acl_user_raw_data($user_id = false, $opts = false, $forum_id = false)

- {

- global $db;

-

- $sql_user = ($user_id !== false) ? ((!is_array($user_id)) ? 'user_id = ' . (int) $user_id : $db->sql_in_set('user_id', array_map('intval', $user_id))) : '';

- $sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? 'AND a.forum_id = ' . (int) $forum_id : 'AND ' . $db->sql_in_set('a.forum_id', array_map('intval', $forum_id))) : '';

-

- $sql_opts = '';

- $hold_ary = $sql_ary = array();

-

- if ($opts !== false)

- {

- $this->build_auth_option_statement('ao.auth_option', $opts, $sql_opts);

- }

-

- // Grab user settings - non-role specific...

- $sql_ary[] = 'SELECT a.user_id, a.forum_id, a.auth_setting, a.auth_option_id, ao.auth_option

- FROM ' . ACL_USERS_TABLE . ' a, ' . ACL_OPTIONS_TABLE . ' ao

- WHERE a.auth_role_id = 0

- AND a.auth_option_id = ao.auth_option_id ' .

- (($sql_user) ? 'AND a.' . $sql_user : '') . "

- $sql_forum

- $sql_opts

- ORDER BY a.forum_id, ao.auth_option";

-

- // Now the role settings - user-specific

- $sql_ary[] = 'SELECT a.user_id, a.forum_id, r.auth_option_id, r.auth_setting, r.auth_option_id, ao.auth_option

- FROM ' . ACL_USERS_TABLE . ' a, ' . ACL_ROLES_DATA_TABLE . ' r, ' . ACL_OPTIONS_TABLE . ' ao

- WHERE a.auth_role_id = r.role_id

- AND r.auth_option_id = ao.auth_option_id ' .

- (($sql_user) ? 'AND a.' . $sql_user : '') . "

- $sql_forum

- $sql_opts

- ORDER BY a.forum_id, ao.auth_option";

-

- foreach ($sql_ary as $sql)

- {

- $result = $db->sql_query($sql);

-

- while ($row = $db->sql_fetchrow($result))

- {

- $hold_ary[$row['user_id']][$row['forum_id']][$row['auth_option']] = $row['auth_setting'];

- }

- $db->sql_freeresult($result);

- }

-

- return $hold_ary;

- }

-

- /**

- * Get raw group based permission settings

- */

- function acl_group_raw_data($group_id = false, $opts = false, $forum_id = false)

- {

- global $db;

-

- $sql_group = ($group_id !== false) ? ((!is_array($group_id)) ? 'group_id = ' . (int) $group_id : $db->sql_in_set('group_id', array_map('intval', $group_id))) : '';

- $sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? 'AND a.forum_id = ' . (int) $forum_id : 'AND ' . $db->sql_in_set('a.forum_id', array_map('intval', $forum_id))) : '';

-

- $sql_opts = '';

- $hold_ary = $sql_ary = array();

-

- if ($opts !== false)

- {

- $this->build_auth_option_statement('ao.auth_option', $opts, $sql_opts);

- }

-

- // Grab group settings - non-role specific...

- $sql_ary[] = 'SELECT a.group_id, a.forum_id, a.auth_setting, a.auth_option_id, ao.auth_option

- FROM ' . ACL_GROUPS_TABLE . ' a, ' . ACL_OPTIONS_TABLE . ' ao

- WHERE a.auth_role_id = 0

- AND a.auth_option_id = ao.auth_option_id ' .

- (($sql_group) ? 'AND a.' . $sql_group : '') . "

- $sql_forum

- $sql_opts

- ORDER BY a.forum_id, ao.auth_option";

-

- // Now grab group settings - role specific...

- $sql_ary[] = 'SELECT a.group_id, a.forum_id, r.auth_setting, r.auth_option_id, ao.auth_option

- FROM ' . ACL_GROUPS_TABLE . ' a, ' . ACL_ROLES_DATA_TABLE . ' r, ' . ACL_OPTIONS_TABLE . ' ao

- WHERE a.auth_role_id = r.role_id

- AND r.auth_option_id = ao.auth_option_id ' .

- (($sql_group) ? 'AND a.' . $sql_group : '') . "

- $sql_forum

- $sql_opts

- ORDER BY a.forum_id, ao.auth_option";

-

- foreach ($sql_ary as $sql)

- {

- $result = $db->sql_query($sql);

-

- while ($row = $db->sql_fetchrow($result))

- {

- $hold_ary[$row['group_id']][$row['forum_id']][$row['auth_option']] = $row['auth_setting'];

- }

- $db->sql_freeresult($result);

- }

-

- return $hold_ary;

- }

-

- /**

- * Get raw acl data based on user for caching user_permissions

- * This function returns the same data as acl_raw_data(), but without the user id as the first key within the array.

- */

- function acl_raw_data_single_user($user_id)

- {

- global $db, $cache;

-

- // Check if the role-cache is there

- if (($this->role_cache = $cache->get('_role_cache')) === false)

- {

- $this->role_cache = array();

-

- // We pre-fetch roles

- $sql = 'SELECT *

- FROM ' . ACL_ROLES_DATA_TABLE . '

- ORDER BY role_id ASC';

- $result = $db->sql_query($sql);

-

- while ($row = $db->sql_fetchrow($result))

- {

- $this->role_cache[$row['role_id']][$row['auth_option_id']] = (int) $row['auth_setting'];

- }

- $db->sql_freeresult($result);

-

- foreach ($this->role_cache as $role_id => $role_options)

- {

- $this->role_cache[$role_id] = serialize($role_options);

- }

-

- $cache->put('_role_cache', $this->role_cache);

- }

-

- $hold_ary = array();

-

- // Grab user-specific permission settings

- $sql = 'SELECT forum_id, auth_option_id, auth_role_id, auth_setting

- FROM ' . ACL_USERS_TABLE . '

- WHERE user_id = ' . $user_id;

- $result = $db->sql_query($sql);

-

- while ($row = $db->sql_fetchrow($result))

- {

- // If a role is assigned, assign all options included within this role. Else, only set this one option.

- if ($row['auth_role_id'])

- {

- $hold_ary[$row['forum_id']] = (empty($hold_ary[$row['forum_id']])) ? unserialize($this->role_cache[$row['auth_role_id']]) : $hold_ary[$row['forum_id']] + unserialize($this->role_cache[$row['auth_role_id']]);

- }

- else

- {

- $hold_ary[$row['forum_id']][$row['auth_option_id']] = $row['auth_setting'];

- }

- }

- $db->sql_freeresult($result);

-

- // Now grab group-specific permission settings

- $sql = 'SELECT a.forum_id, a.auth_option_id, a.auth_role_id, a.auth_setting

- FROM ' . ACL_GROUPS_TABLE . ' a, ' . USER_GROUP_TABLE . ' ug, ' . GROUPS_TABLE . ' g

- WHERE a.group_id = ug.group_id

- AND g.group_id = ug.group_id

- AND ug.user_pending = 0

- AND NOT (ug.group_leader = 1 AND g.group_skip_auth = 1)

- AND ug.user_id = ' . $user_id;

- $result = $db->sql_query($sql);

-

- while ($row = $db->sql_fetchrow($result))

- {

- if (!$row['auth_role_id'])

- {

- $this->_set_group_hold_ary($hold_ary[$row['forum_id']], $row['auth_option_id'], $row['auth_setting']);

- }

- else if (!empty($this->role_cache[$row['auth_role_id']]))

- {

- foreach (unserialize($this->role_cache[$row['auth_role_id']]) as $option_id => $setting)

- {

- $this->_set_group_hold_ary($hold_ary[$row['forum_id']], $option_id, $setting);

- }

- }

- }

- $db->sql_freeresult($result);

-

- return $hold_ary;

- }

-

- /**

- * Private function snippet for setting a specific piece of the hold_ary

- */

- function _set_group_hold_ary(&$hold_ary, $option_id, $setting)

- {

- if (!isset($hold_ary[$option_id]) || (isset($hold_ary[$option_id]) && $hold_ary[$option_id] != ACL_NEVER))

- {

- $hold_ary[$option_id] = $setting;

-

- // If we detect ACL_NEVER, we will unset the flag option (within building the bitstring it is correctly set again)

- if ($setting == ACL_NEVER)

- {

- $flag = substr($this->acl_options['option'][$option_id], 0, strpos($this->acl_options['option'][$option_id], '_') + 1);

- $flag = (int) $this->acl_options['id'][$flag];

-

- if (isset($hold_ary[$flag]) && $hold_ary[$flag] == ACL_YES)

- {

- unset($hold_ary[$flag]);

-

-/* This is uncommented, because i suspect this being slightly wrong due to mixed permission classes being possible

- if (in_array(ACL_YES, $hold_ary))

- {

- $hold_ary[$flag] = ACL_YES;

- }*/

- }

- }

- }

- }

-

- /**

- * Authentication plug-ins is largely down to Sergey Kanareykin, our thanks to him.

- */

- function login($username, $password, $autologin = false, $viewonline = 1, $admin = 0)

- {

- global $config, $db, $user, $phpbb_root_path, $phpEx;

-

- $method = trim(basename($config['auth_method']));

- include_once($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx);

-

- $method = 'login_' . $method;

- if (function_exists($method))

- {

- $login = $method($username, $password, $user->ip, $user->browser, $user->forwarded_for);

-

- // If the auth module wants us to create an empty profile do so and then treat the status as LOGIN_SUCCESS

- if ($login['status'] == LOGIN_SUCCESS_CREATE_PROFILE)

- {

- // we are going to use the user_add function so include functions_user.php if it wasn't defined yet

- if (!function_exists('user_add'))

- {

- include($phpbb_root_path . 'includes/functions_user.' . $phpEx);

- }

-

- user_add($login['user_row'], (isset($login['cp_data'])) ? $login['cp_data'] : false);

-

- $sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type

- FROM ' . USERS_TABLE . "

- WHERE username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'";

- $result = $db->sql_query($sql);

- $row = $db->sql_fetchrow($result);

- $db->sql_freeresult($result);

-

- if (!$row)

- {

- return array(

- 'status' => LOGIN_ERROR_EXTERNAL_AUTH,

- 'error_msg' => 'AUTH_NO_PROFILE_CREATED',

- 'user_row' => array('user_id' => ANONYMOUS),

- );

- }

-

- $login = array(

- 'status' => LOGIN_SUCCESS,

- 'error_msg' => false,

- 'user_row' => $row,

- );

- }

-

- // If login succeeded, we will log the user in... else we pass the login array through...

- if ($login['status'] == LOGIN_SUCCESS)

- {

- $old_session_id = $user->session_id;

-

- if ($admin)

- {

- global $SID, $_SID;

-

- $cookie_expire = time() - 31536000;

- $user->set_cookie('u', '', $cookie_expire);

- $user->set_cookie('sid', '', $cookie_expire);

- unset($cookie_expire);

-

- $SID = '?sid=';

- $user->session_id = $_SID = '';

- }

-

- $result = $user->session_create($login['user_row']['user_id'], $admin, $autologin, $viewonline);

-

- // Successful session creation

- if ($result === true)

- {

- // If admin re-authentication we remove the old session entry because a new one has been created...

- if ($admin)

- {

- // the login array is used because the user ids do not differ for re-authentication

- $sql = 'DELETE FROM ' . SESSIONS_TABLE . "

- WHERE session_id = '" . $db->sql_escape($old_session_id) . "'

- AND session_user_id = {$login['user_row']['user_id']}";

- $db->sql_query($sql);

- }

-

- return array(

- 'status' => LOGIN_SUCCESS,

- 'error_msg' => false,

- 'user_row' => $login['user_row'],

- );

- }

-

- return array(

- 'status' => LOGIN_BREAK,

- 'error_msg' => $result,

- 'user_row' => $login['user_row'],

- );

- }

-

- return $login;

- }

-

- trigger_error('Authentication method not found', E_USER_ERROR);

- }

-

- /**

- * Fill auth_option statement for later querying based on the supplied options

- */

- function build_auth_option_statement($key, $auth_options, &$sql_opts)

- {

- global $db;

-

- if (!is_array($auth_options))

- {

- if (strpos($auth_options, '%') !== false)

- {

- $sql_opts = "AND $key " . $db->sql_like_expression(str_replace('%', $db->any_char, $auth_options));

- }

- else

- {

- $sql_opts = "AND $key = '" . $db->sql_escape($auth_options) . "'";

- }

- }

- else

- {

- $is_like_expression = false;

-

- foreach ($auth_options as $option)

- {

- if (strpos($option, '%') !== false)

- {

- $is_like_expression = true;

- }

- }

-

- if (!$is_like_expression)

- {

- $sql_opts = 'AND ' . $db->sql_in_set($key, $auth_options);

- }

- else

- {

- $sql = array();

-

- foreach ($auth_options as $option)

- {

- if (strpos($option, '%') !== false)

- {

- $sql[] = $key . ' ' . $db->sql_like_expression(str_replace('%', $db->any_char, $option));

- }

- else

- {

- $sql[] = $key . " = '" . $db->sql_escape($option) . "'";

- }

- }

-

- $sql_opts = 'AND (' . implode(' OR ', $sql) . ')';

- }

- }

- }

-}

-

-?> \ No newline at end of file