diff options
Diffstat (limited to 'phpBB/phpbb/auth/auth.php')
| -rw-r--r-- | phpBB/phpbb/auth/auth.php | 1080 |
1 files changed, 1080 insertions, 0 deletions
diff --git a/phpBB/phpbb/auth/auth.php b/phpBB/phpbb/auth/auth.php new file mode 100644 index 0000000000..279959974d --- /dev/null +++ b/phpBB/phpbb/auth/auth.php @@ -0,0 +1,1080 @@ +<?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) . ')'; + } + } + } +} |