<?php /** * * @package phpBB3 * @version $Id: auth.php 8985 2008-10-09 13:18:38Z acydburn $ * @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); $this->acl_cache($userdata); } else 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) { $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)) { // We put the original bitstring into the acl array $this->acl[$f] .= str_pad(base_convert($subseq, 36, 2), 31, 0, STR_PAD_LEFT); $i += 6; } } } } /** * Look up an option * if the option is prefixed with !, then the result becomes negated * * If a forum id is specified the local option will be combined with a global option if one exist. * If a forum id is not specified, only the global option will be checked. */ function acl_get($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 $acl; } /** * Get permission listing based on user_id/options/forum_ids */ function acl_get_list($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' . $sql_opts_from . ' WHERE a.auth_role_id = 0 ' . (($sql_opts_from) ? 'AND a.auth_option_id = ao.auth_option_id ' : '') . ' AND a.group_id = ug.group_id AND ug.user_pending = 0 ' . (($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, ' . 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 ug.user_pending = 0 ' . (($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 WHERE a.group_id = ug.group_id AND ug.user_pending = 0 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, $password); // If the auth module wants us to create an empty profile do so and then treat the status as LOGIN_SUCCESS if ($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) . ')'; } } } } ?>