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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\auth; | |
| /** | |
| * Permission/Auth class | |
| */ | |
| 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; | |
| $global_length = count($this->acl_options['global']); | |
| $local_length = count($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 | |
| * | |
| * @param string $opt The permission name to lookup. If prefixed with !, the result is negated. | |
| * @param bool $clean set to true if only values needs to be returned which are set/unset | |
| * | |
| * @return array Contains the forum ids with the specified permission set to true. | |
| This is a nested array: array => forum_id => permission => true | |
| */ | |
| function acl_getf($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; | |
| $sql = 'SELECT forum_id | |
| FROM ' . FORUMS_TABLE; | |
| if (count($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 && count($this->acl_forum_ids)) | |
| { | |
| foreach ($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) | |
| { | |
| $hold_str = ''; | |
| if (count($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, $phpbb_dispatcher; | |
| // Rebuild options cache | |
| $cache->destroy('_role_cache'); | |
| $sql = 'SELECT * | |
| FROM ' . ACL_ROLES_DATA_TABLE . ' | |
| ORDER BY role_id ASC'; | |
| $result = $db->sql_query($sql); | |
| $role_cache = array(); | |
| while ($row = $db->sql_fetchrow($result)) | |
| { | |
| $role_cache[$row['role_id']][$row['auth_option_id']] = (int) $row['auth_setting']; | |
| } | |
| $db->sql_freeresult($result); | |
| foreach ($role_cache as $role_id => $role_options) | |
| { | |
| $role_cache[$role_id] = serialize($role_options); | |
| } | |
| $cache->put('_role_cache', $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); | |
| /** | |
| * Event is triggered after user(s) permission settings cache has been cleared | |
| * | |
| * @event core.acl_clear_prefetch_after | |
| * @var mixed user_id User ID(s) | |
| * @since 3.1.11-RC1 | |
| */ | |
| $vars = array('user_id'); | |
| extract($phpbb_dispatcher->trigger_event('core.acl_clear_prefetch_after', compact($vars))); | |
| return; | |
| } | |
| /** | |
| * Get assigned roles | |
| */ | |
| function acl_role_data($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))) : ''; | |
| $sql_is_local = !empty($forum_id) ? 'AND ao.is_local <> 0' : ''; | |
| $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 | |
| $sql_is_local " . | |
| (($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 | |
| $sql_is_local | |
| AND r.auth_option_id = ao.auth_option_id " . | |
| (($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, $cache; | |
| // Check if the role-cache is there | |
| if (($role_cache = $cache->get('_role_cache')) === false) | |
| { | |
| $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)) | |
| { | |
| $role_cache[$row['role_id']][$row['auth_option_id']] = (int) $row['auth_setting']; | |
| } | |
| $db->sql_freeresult($result); | |
| foreach ($role_cache as $role_id => $role_options) | |
| { | |
| $role_cache[$role_id] = serialize($role_options); | |
| } | |
| $cache->put('_role_cache', $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($role_cache[$row['auth_role_id']]) : $hold_ary[$row['forum_id']] + unserialize($role_cache[$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'], $row['auth_setting']); | |
| } | |
| else if (!empty($role_cache[$row['auth_role_id']])) | |
| { | |
| foreach (unserialize($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 $db, $user, $phpbb_root_path, $phpEx, $phpbb_container; | |
| global $phpbb_dispatcher; | |
| /* @var $provider_collection \phpbb\auth\provider_collection */ | |
| $provider_collection = $phpbb_container->get('auth.provider_collection'); | |
| $provider = $provider_collection->get_provider(); | |
| if ($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' => $row, | |
| ); | |
| } | |
| // If the auth provider wants us to link an empty account do so and redirect | |
| if ($login['status'] == LOGIN_SUCCESS_LINK_PROFILE) | |
| { | |
| // If this status exists a fourth field is in the $login array called 'redirect_data' | |
| // This data is passed along as GET data to the next page allow the account to be linked | |
| $params = array('mode' => 'login_link'); | |
| $url = append_sid($phpbb_root_path . 'ucp.' . $phpEx, array_merge($params, $login['redirect_data'])); | |
| redirect($url); | |
| } | |
| /** | |
| * Event is triggered after checking for valid username and password, and before the actual session creation. | |
| * | |
| * @event core.auth_login_session_create_before | |
| * @var array login Variable containing login array | |
| * @var bool admin Boolean variable whether user is logging into the ACP | |
| * @var string username Username of user to log in | |
| * @var bool autologin Boolean variable signaling whether login is triggered via auto login | |
| * @since 3.1.7-RC1 | |
| */ | |
| $vars = array( | |
| 'login', | |
| 'admin', | |
| 'username', | |
| 'autologin', | |
| ); | |
| extract($phpbb_dispatcher->trigger_event('core.auth_login_session_create_before', compact($vars))); | |
| // If login succeeded, we will log the user in... else we pass the login array through... | |
| if ($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->get_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->get_any_char(), $option)); | |
| } | |
| else | |
| { | |
| $sql[] = $key . " = '" . $db->sql_escape($option) . "'"; | |
| } | |
| } | |
| $sql_opts = 'AND (' . implode(' OR ', $sql) . ')'; | |
| } | |
| } | |
| } | |
| } |