+<?php

+/**

+*

+* @package phpBB3

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* Permission/Auth class

+* @package phpBB3

+*/

+class phpbb_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;

+ }

+

+ /**

+ * Retrieves data wanted by acl function from the database for the

+ * specified user.

+ *

+ * @param int $user_id User ID

+ * @return array User attributes

+ */

+ public function obtain_user_data($user_id)

+ {

+ global $db;

+

+ $sql = 'SELECT user_id, username, user_permissions, user_type

+ FROM ' . USERS_TABLE . '

+ WHERE user_id = ' . $user_id;

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

+ $user_data = $db->sql_fetchrow($result);

+ $db->sql_freeresult($result);

+ return $user_data;

+ }

+

+ /**

+ * 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 negated

+ *

+ * @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, $phpbb_container;

+

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

+

+ $provider = $phpbb_container->get('auth.provider.' . $method);

+ if ($provider)

+ {

+ $login = $provider->login($username, $password);

+

+ // 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) . ')';

+ }

+ }

+ }

+}