+<?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;

+ $global_length = sizeof($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

+ *

+ * @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 (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, $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);

+

+ $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);

+

+ /**

+ * 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_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 $db, $user, $phpbb_root_path, $phpEx, $phpbb_container;

+ global $phpbb_dispatcher;

+

+ $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) . ')';

+ }

+ }

+ }

+}

+<html>

+<head>

+<title></title>

+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">

+</head>

+

+<body bgcolor="#FFFFFF" text="#000000">

+

+</body>

+</html>

+<?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\provider;

+

+/**

+* Apache authentication provider for phpBB3

+*/

+class apache extends \phpbb\auth\provider\base

+{

+ /**

+ * phpBB passwords manager

+ *

+ * @var \phpbb\passwords\manager

+ */

+ protected $passwords_manager;

+

+ /**

+ * Apache Authentication Constructor

+ *

+ * @param \phpbb\db\driver\driver_interface $db Database object

+ * @param \phpbb\config\config $config Config object

+ * @param \phpbb\passwords\manager $passwords_manager Passwords Manager object

+ * @param \phpbb\request\request $request Request object

+ * @param \phpbb\user $user User object

+ * @param string $phpbb_root_path Relative path to phpBB root

+ * @param string $php_ext PHP file extension

+ */

+ public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\request\request $request, \phpbb\user $user, $phpbb_root_path, $php_ext)

+ {

+ $this->db = $db;

+ $this->config = $config;

+ $this->passwords_manager = $passwords_manager;

+ $this->request = $request;

+ $this->user = $user;

+ $this->phpbb_root_path = $phpbb_root_path;

+ $this->php_ext = $php_ext;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function init()

+ {

+ if (!$this->request->is_set('PHP_AUTH_USER', \phpbb\request\request_interface::SERVER) || $this->user->data['username'] !== htmlspecialchars_decode($this->request->server('PHP_AUTH_USER')))

+ {

+ return $this->user->lang['APACHE_SETUP_BEFORE_USE'];

+ }

+ return false;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function login($username, $password)

+ {

+ // do not allow empty password

+ if (!$password)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_PASSWORD,

+ 'error_msg' => 'NO_PASSWORD_SUPPLIED',

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

+ );

+ }

+

+ if (!$username)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_USERNAME,

+ 'error_msg' => 'LOGIN_ERROR_USERNAME',

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

+ );

+ }

+

+ if (!$this->request->is_set('PHP_AUTH_USER', \phpbb\request\request_interface::SERVER))

+ {

+ return array(

+ 'status' => LOGIN_ERROR_EXTERNAL_AUTH,

+ 'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',

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

+ );

+ }

+

+ $php_auth_user = htmlspecialchars_decode($this->request->server('PHP_AUTH_USER'));

+ $php_auth_pw = htmlspecialchars_decode($this->request->server('PHP_AUTH_PW'));

+

+ if (!empty($php_auth_user) && !empty($php_auth_pw))

+ {

+ if ($php_auth_user !== $username)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_USERNAME,

+ 'error_msg' => 'LOGIN_ERROR_USERNAME',

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

+ );

+ }

+

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

+ FROM ' . USERS_TABLE . "

+ WHERE username = '" . $this->db->sql_escape($php_auth_user) . "'";

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

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

+ $this->db->sql_freeresult($result);

+

+ if ($row)

+ {

+ // User inactive...

+ if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_ACTIVE,

+ 'error_msg' => 'ACTIVE_ERROR',

+ 'user_row' => $row,

+ );

+ }

+

+ // Successful login...

+ return array(

+ 'status' => LOGIN_SUCCESS,

+ 'error_msg' => false,

+ 'user_row' => $row,

+ );

+ }

+

+ // this is the user's first login so create an empty profile

+ return array(

+ 'status' => LOGIN_SUCCESS_CREATE_PROFILE,

+ 'error_msg' => false,

+ 'user_row' => $this->user_row($php_auth_user, $php_auth_pw),

+ );

+ }

+

+ // Not logged into apache

+ return array(

+ 'status' => LOGIN_ERROR_EXTERNAL_AUTH,

+ 'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',

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

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function autologin()

+ {

+ if (!$this->request->is_set('PHP_AUTH_USER', \phpbb\request\request_interface::SERVER))

+ {

+ return array();

+ }

+

+ $php_auth_user = htmlspecialchars_decode($this->request->server('PHP_AUTH_USER'));

+ $php_auth_pw = htmlspecialchars_decode($this->request->server('PHP_AUTH_PW'));

+

+ if (!empty($php_auth_user) && !empty($php_auth_pw))

+ {

+ set_var($php_auth_user, $php_auth_user, 'string', true);

+ set_var($php_auth_pw, $php_auth_pw, 'string', true);

+

+ $sql = 'SELECT *

+ FROM ' . USERS_TABLE . "

+ WHERE username = '" . $this->db->sql_escape($php_auth_user) . "'";

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

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

+ $this->db->sql_freeresult($result);

+

+ if ($row)

+ {

+ return ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE) ? array() : $row;

+ }

+

+ if (!function_exists('user_add'))

+ {

+ include($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);

+ }

+

+ // create the user if he does not exist yet

+ user_add($this->user_row($php_auth_user, $php_auth_pw));

+

+ $sql = 'SELECT *

+ FROM ' . USERS_TABLE . "

+ WHERE username_clean = '" . $this->db->sql_escape(utf8_clean_string($php_auth_user)) . "'";

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

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

+ $this->db->sql_freeresult($result);

+

+ if ($row)

+ {

+ return $row;

+ }

+ }

+

+ return array();

+ }

+

+ /**

+ * This function generates an array which can be passed to the user_add

+ * function in order to create a user

+ *

+ * @param string $username The username of the new user.

+ * @param string $password The password of the new user.

+ * @return array Contains data that can be passed directly to

+ * the user_add function.

+ */

+ private function user_row($username, $password)

+ {

+ // first retrieve default group id

+ $sql = 'SELECT group_id

+ FROM ' . GROUPS_TABLE . "

+ WHERE group_name = '" . $this->db->sql_escape('REGISTERED') . "'

+ AND group_type = " . GROUP_SPECIAL;

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

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

+ $this->db->sql_freeresult($result);

+

+ if (!$row)

+ {

+ trigger_error('NO_GROUP');

+ }

+

+ // generate user account data

+ return array(

+ 'username' => $username,

+ 'user_password' => $this->passwords_manager->hash($password),

+ 'user_email' => '',

+ 'group_id' => (int) $row['group_id'],

+ 'user_type' => USER_NORMAL,

+ 'user_ip' => $this->user->ip,

+ 'user_new' => ($this->config['new_member_post_limit']) ? 1 : 0,

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function validate_session($user)

+ {

+ // Check if PHP_AUTH_USER is set and handle this case

+ if ($this->request->is_set('PHP_AUTH_USER', \phpbb\request\request_interface::SERVER))

+ {

+ $php_auth_user = $this->request->server('PHP_AUTH_USER');

+

+ return ($php_auth_user === $user['username']) ? true : false;

+ }

+

+ // PHP_AUTH_USER is not set. A valid session is now determined by the user type (anonymous/bot or not)

+ if ($user['user_type'] == USER_IGNORE)

+ {

+ return true;

+ }

+

+ return false;

+ }

+}

+<?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\provider;

+

+/**

+* Base authentication provider class that all other providers should implement

+*/

+abstract class base implements \phpbb\auth\provider\provider_interface

+{

+ /**

+ * {@inheritdoc}

+ */

+ public function init()

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function autologin()

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function acp()

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_acp_template($new_config)

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_login_data()

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_auth_link_data($user_id = 0)

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function logout($data, $new_session)

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function validate_session($user)

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function login_link_has_necessary_data($login_link_data)

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function link_account(array $link_data)

+ {

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function unlink_account(array $link_data)

+ {

+ return;

+ }

+}

+<?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\provider;

+

+/**

+ * Database authentication provider for phpBB3

+ * This is for authentication via the integrated user table

+ */

+class db extends \phpbb\auth\provider\base

+{

+ /**

+ * phpBB passwords manager

+ *

+ * @var \phpbb\passwords\manager

+ */

+ protected $passwords_manager;

+

+ /**

+ * DI container

+ *

+ * @var \Symfony\Component\DependencyInjection\ContainerInterface

+ */

+ protected $phpbb_container;

+

+ /**

+ * Database Authentication Constructor

+ *

+ * @param \phpbb\db\driver\driver_interface $db

+ * @param \phpbb\config\config $config

+ * @param \phpbb\passwords\manager $passwords_manager

+ * @param \phpbb\request\request $request

+ * @param \phpbb\user $user

+ * @param \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container DI container

+ * @param string $phpbb_root_path

+ * @param string $php_ext

+ */

+ public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\request\request $request, \phpbb\user $user, \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container, $phpbb_root_path, $php_ext)

+ {

+ $this->db = $db;

+ $this->config = $config;

+ $this->passwords_manager = $passwords_manager;

+ $this->request = $request;

+ $this->user = $user;

+ $this->phpbb_root_path = $phpbb_root_path;

+ $this->php_ext = $php_ext;

+ $this->phpbb_container = $phpbb_container;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function login($username, $password)

+ {

+ // Auth plugins get the password untrimmed.

+ // For compatibility we trim() here.

+ $password = trim($password);

+

+ // do not allow empty password

+ if (!$password)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_PASSWORD,

+ 'error_msg' => 'NO_PASSWORD_SUPPLIED',

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

+ );

+ }

+

+ if (!$username)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_USERNAME,

+ 'error_msg' => 'LOGIN_ERROR_USERNAME',

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

+ );

+ }

+

+ $username_clean = utf8_clean_string($username);

+

+ $sql = 'SELECT *

+ FROM ' . USERS_TABLE . "

+ WHERE username_clean = '" . $this->db->sql_escape($username_clean) . "'";

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

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

+ $this->db->sql_freeresult($result);

+

+ if (($this->user->ip && !$this->config['ip_login_limit_use_forwarded']) ||

+ ($this->user->forwarded_for && $this->config['ip_login_limit_use_forwarded']))

+ {

+ $sql = 'SELECT COUNT(*) AS attempts

+ FROM ' . LOGIN_ATTEMPT_TABLE . '

+ WHERE attempt_time > ' . (time() - (int) $this->config['ip_login_limit_time']);

+ if ($this->config['ip_login_limit_use_forwarded'])

+ {

+ $sql .= " AND attempt_forwarded_for = '" . $this->db->sql_escape($this->user->forwarded_for) . "'";

+ }

+ else

+ {

+ $sql .= " AND attempt_ip = '" . $this->db->sql_escape($this->user->ip) . "' ";

+ }

+

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

+ $attempts = (int) $this->db->sql_fetchfield('attempts');

+ $this->db->sql_freeresult($result);

+

+ $attempt_data = array(

+ 'attempt_ip' => $this->user->ip,

+ 'attempt_browser' => trim(substr($this->user->browser, 0, 149)),

+ 'attempt_forwarded_for' => $this->user->forwarded_for,

+ 'attempt_time' => time(),

+ 'user_id' => ($row) ? (int) $row['user_id'] : 0,

+ 'username' => $username,

+ 'username_clean' => $username_clean,

+ );

+ $sql = 'INSERT INTO ' . LOGIN_ATTEMPT_TABLE . $this->db->sql_build_array('INSERT', $attempt_data);

+ $this->db->sql_query($sql);

+ }

+ else

+ {

+ $attempts = 0;

+ }

+

+ if (!$row)

+ {

+ if ($this->config['ip_login_limit_max'] && $attempts >= $this->config['ip_login_limit_max'])

+ {

+ return array(

+ 'status' => LOGIN_ERROR_ATTEMPTS,

+ 'error_msg' => 'LOGIN_ERROR_ATTEMPTS',

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

+ );

+ }

+

+ return array(

+ 'status' => LOGIN_ERROR_USERNAME,

+ 'error_msg' => 'LOGIN_ERROR_USERNAME',

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

+ );

+ }

+

+ $show_captcha = ($this->config['max_login_attempts'] && $row['user_login_attempts'] >= $this->config['max_login_attempts']) ||

+ ($this->config['ip_login_limit_max'] && $attempts >= $this->config['ip_login_limit_max']);

+

+ // If there are too many login attempts, we need to check for a confirm image

+ // Every auth module is able to define what to do by itself...

+ if ($show_captcha)

+ {

+ $captcha_factory = $this->phpbb_container->get('captcha.factory');

+ $captcha = $captcha_factory->get_instance($this->config['captcha_plugin']);

+ $captcha->init(CONFIRM_LOGIN);

+ $vc_response = $captcha->validate($row);

+ if ($vc_response)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_ATTEMPTS,

+ 'error_msg' => 'LOGIN_ERROR_ATTEMPTS',

+ 'user_row' => $row,

+ );

+ }

+ else

+ {

+ $captcha->reset();

+ }

+

+ }

+

+ // Check password ...

+ if ($this->passwords_manager->check($password, $row['user_password'], $row))

+ {

+ // Check for old password hash...

+ if ($this->passwords_manager->convert_flag || strlen($row['user_password']) == 32)

+ {

+ $hash = $this->passwords_manager->hash($password);

+

+ // Update the password in the users table to the new format

+ $sql = 'UPDATE ' . USERS_TABLE . "

+ SET user_password = '" . $this->db->sql_escape($hash) . "'

+ WHERE user_id = {$row['user_id']}";

+ $this->db->sql_query($sql);

+

+ $row['user_password'] = $hash;

+ }

+

+ $sql = 'DELETE FROM ' . LOGIN_ATTEMPT_TABLE . '

+ WHERE user_id = ' . $row['user_id'];

+ $this->db->sql_query($sql);

+

+ if ($row['user_login_attempts'] != 0)

+ {

+ // Successful, reset login attempts (the user passed all stages)

+ $sql = 'UPDATE ' . USERS_TABLE . '

+ SET user_login_attempts = 0

+ WHERE user_id = ' . $row['user_id'];

+ $this->db->sql_query($sql);

+ }

+

+ // User inactive...

+ if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_ACTIVE,

+ 'error_msg' => 'ACTIVE_ERROR',

+ 'user_row' => $row,

+ );

+ }

+

+ // Successful login... set user_login_attempts to zero...

+ return array(

+ 'status' => LOGIN_SUCCESS,

+ 'error_msg' => false,

+ 'user_row' => $row,

+ );

+ }

+

+ // Password incorrect - increase login attempts

+ $sql = 'UPDATE ' . USERS_TABLE . '

+ SET user_login_attempts = user_login_attempts + 1

+ WHERE user_id = ' . (int) $row['user_id'] . '

+ AND user_login_attempts < ' . LOGIN_ATTEMPTS_MAX;

+ $this->db->sql_query($sql);

+

+ // Give status about wrong password...

+ return array(

+ 'status' => ($show_captcha) ? LOGIN_ERROR_ATTEMPTS : LOGIN_ERROR_PASSWORD,

+ 'error_msg' => 'LOGIN_ERROR_PASSWORD',

+ 'user_row' => $row,

+ );

+ }

+}

+<html>

+<head>

+<title></title>

+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">

+</head>

+

+<body bgcolor="#FFFFFF" text="#000000">

+

+</body>

+</html>

+<?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\provider;

+

+/**

+ * Database authentication provider for phpBB3

+ * This is for authentication via the integrated user table

+ */

+class ldap extends \phpbb\auth\provider\base

+{

+ /**

+ * phpBB passwords manager

+ *

+ * @var \phpbb\passwords\manager

+ */

+ protected $passwords_manager;

+

+ /**

+ * LDAP Authentication Constructor

+ *

+ * @param \phpbb\db\driver\driver_interface $db Database object

+ * @param \phpbb\config\config $config Config object

+ * @param \phpbb\passwords\manager $passwords_manager Passwords manager object

+ * @param \phpbb\user $user User object

+ */

+ public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\user $user)

+ {

+ $this->db = $db;

+ $this->config = $config;

+ $this->passwords_manager = $passwords_manager;

+ $this->user = $user;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function init()

+ {

+ if (!@extension_loaded('ldap'))

+ {

+ return $this->user->lang['LDAP_NO_LDAP_EXTENSION'];

+ }

+

+ $this->config['ldap_port'] = (int) $this->config['ldap_port'];

+ if ($this->config['ldap_port'])

+ {

+ $ldap = @ldap_connect($this->config['ldap_server'], $this->config['ldap_port']);

+ }

+ else

+ {

+ $ldap = @ldap_connect($this->config['ldap_server']);

+ }

+

+ if (!$ldap)

+ {

+ return $this->user->lang['LDAP_NO_SERVER_CONNECTION'];

+ }

+

+ @ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);

+ @ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);

+

+ if ($this->config['ldap_user'] || $this->config['ldap_password'])

+ {

+ if (!@ldap_bind($ldap, htmlspecialchars_decode($this->config['ldap_user']), htmlspecialchars_decode($this->config['ldap_password'])))

+ {

+ return $this->user->lang['LDAP_INCORRECT_USER_PASSWORD'];

+ }

+ }

+

+ // ldap_connect only checks whether the specified server is valid, so the connection might still fail

+ $search = @ldap_search(

+ $ldap,

+ htmlspecialchars_decode($this->config['ldap_base_dn']),

+ $this->ldap_user_filter($this->user->data['username']),

+ (empty($this->config['ldap_email'])) ?

+ array(htmlspecialchars_decode($this->config['ldap_uid'])) :

+ array(htmlspecialchars_decode($this->config['ldap_uid']), htmlspecialchars_decode($this->config['ldap_email'])),

+ 0,

+ 1

+ );

+

+ if ($search === false)

+ {

+ return $this->user->lang['LDAP_SEARCH_FAILED'];

+ }

+

+ $result = @ldap_get_entries($ldap, $search);

+

+ @ldap_close($ldap);

+

+ if (!is_array($result) || sizeof($result) < 2)

+ {

+ return sprintf($this->user->lang['LDAP_NO_IDENTITY'], $this->user->data['username']);

+ }

+

+ if (!empty($this->config['ldap_email']) && !isset($result[0][htmlspecialchars_decode($this->config['ldap_email'])]))

+ {

+ return $this->user->lang['LDAP_NO_EMAIL'];

+ }

+

+ return false;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function login($username, $password)

+ {

+ // do not allow empty password

+ if (!$password)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_PASSWORD,

+ 'error_msg' => 'NO_PASSWORD_SUPPLIED',

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

+ );

+ }

+

+ if (!$username)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_USERNAME,

+ 'error_msg' => 'LOGIN_ERROR_USERNAME',

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

+ );

+ }

+

+ if (!@extension_loaded('ldap'))

+ {

+ return array(

+ 'status' => LOGIN_ERROR_EXTERNAL_AUTH,

+ 'error_msg' => 'LDAP_NO_LDAP_EXTENSION',

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

+ );

+ }

+

+ $this->config['ldap_port'] = (int) $this->config['ldap_port'];

+ if ($this->config['ldap_port'])

+ {

+ $ldap = @ldap_connect($this->config['ldap_server'], $this->config['ldap_port']);

+ }

+ else

+ {

+ $ldap = @ldap_connect($this->config['ldap_server']);

+ }

+

+ if (!$ldap)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_EXTERNAL_AUTH,

+ 'error_msg' => 'LDAP_NO_SERVER_CONNECTION',

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

+ );

+ }

+

+ @ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);

+ @ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);

+

+ if ($this->config['ldap_user'] || $this->config['ldap_password'])

+ {

+ if (!@ldap_bind($ldap, htmlspecialchars_decode($this->config['ldap_user']), htmlspecialchars_decode($this->config['ldap_password'])))

+ {

+ return array(

+ 'status' => LOGIN_ERROR_EXTERNAL_AUTH,

+ 'error_msg' => 'LDAP_NO_SERVER_CONNECTION',

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

+ );

+ }

+ }

+

+ $search = @ldap_search(

+ $ldap,

+ htmlspecialchars_decode($this->config['ldap_base_dn']),

+ $this->ldap_user_filter($username),

+ (empty($this->config['ldap_email'])) ?

+ array(htmlspecialchars_decode($this->config['ldap_uid'])) :

+ array(htmlspecialchars_decode($this->config['ldap_uid']), htmlspecialchars_decode($this->config['ldap_email'])),

+ 0,

+ 1

+ );

+

+ $ldap_result = @ldap_get_entries($ldap, $search);

+

+ if (is_array($ldap_result) && sizeof($ldap_result) > 1)

+ {

+ if (@ldap_bind($ldap, $ldap_result[0]['dn'], htmlspecialchars_decode($password)))

+ {

+ @ldap_close($ldap);

+

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

+ FROM ' . USERS_TABLE . "

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

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

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

+ $this->db->sql_freeresult($result);

+

+ if ($row)

+ {

+ unset($ldap_result);

+

+ // User inactive...

+ if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)

+ {

+ return array(

+ 'status' => LOGIN_ERROR_ACTIVE,

+ 'error_msg' => 'ACTIVE_ERROR',

+ 'user_row' => $row,

+ );

+ }

+

+ // Successful login... set user_login_attempts to zero...

+ return array(

+ 'status' => LOGIN_SUCCESS,

+ 'error_msg' => false,

+ 'user_row' => $row,

+ );

+ }

+ else

+ {

+ // retrieve default group id

+ $sql = 'SELECT group_id

+ FROM ' . GROUPS_TABLE . "

+ WHERE group_name = '" . $this->db->sql_escape('REGISTERED') . "'

+ AND group_type = " . GROUP_SPECIAL;

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

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

+ $this->db->sql_freeresult($result);

+

+ if (!$row)

+ {

+ trigger_error('NO_GROUP');

+ }

+

+ // generate user account data

+ $ldap_user_row = array(

+ 'username' => $username,

+ 'user_password' => $this->passwords_manager->hash($password),

+ 'user_email' => (!empty($this->config['ldap_email'])) ? utf8_htmlspecialchars($ldap_result[0][htmlspecialchars_decode($this->config['ldap_email'])][0]) : '',

+ 'group_id' => (int) $row['group_id'],

+ 'user_type' => USER_NORMAL,

+ 'user_ip' => $this->user->ip,

+ 'user_new' => ($this->config['new_member_post_limit']) ? 1 : 0,

+ );

+

+ unset($ldap_result);

+

+ // this is the user's first login so create an empty profile

+ return array(

+ 'status' => LOGIN_SUCCESS_CREATE_PROFILE,

+ 'error_msg' => false,

+ 'user_row' => $ldap_user_row,

+ );

+ }

+ }

+ else

+ {

+ unset($ldap_result);

+ @ldap_close($ldap);

+

+ // Give status about wrong password...

+ return array(

+ 'status' => LOGIN_ERROR_PASSWORD,

+ 'error_msg' => 'LOGIN_ERROR_PASSWORD',

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

+ );

+ }

+ }

+

+ @ldap_close($ldap);

+

+ return array(

+ 'status' => LOGIN_ERROR_USERNAME,

+ 'error_msg' => 'LOGIN_ERROR_USERNAME',

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

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function acp()

+ {

+ // These are fields required in the config table

+ return array(

+ 'ldap_server', 'ldap_port', 'ldap_base_dn', 'ldap_uid', 'ldap_user_filter', 'ldap_email', 'ldap_user', 'ldap_password',

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_acp_template($new_config)

+ {

+ return array(

+ 'TEMPLATE_FILE' => 'auth_provider_ldap.html',

+ 'TEMPLATE_VARS' => array(

+ 'AUTH_LDAP_BASE_DN' => $new_config['ldap_base_dn'],

+ 'AUTH_LDAP_EMAIL' => $new_config['ldap_email'],

+ 'AUTH_LDAP_PASSORD' => $new_config['ldap_password'] !== '' ? '********' : '',

+ 'AUTH_LDAP_PORT' => $new_config['ldap_port'],

+ 'AUTH_LDAP_SERVER' => $new_config['ldap_server'],

+ 'AUTH_LDAP_UID' => $new_config['ldap_uid'],

+ 'AUTH_LDAP_USER' => $new_config['ldap_user'],

+ 'AUTH_LDAP_USER_FILTER' => $new_config['ldap_user_filter'],

+ ),

+ );

+ }

+

+ /**

+ * Generates a filter string for ldap_search to find a user

+ *

+ * @param $username string Username identifying the searched user

+ *

+ * @return string A filter string for ldap_search

+ */

+ private function ldap_user_filter($username)

+ {

+ $filter = '(' . $this->config['ldap_uid'] . '=' . $this->ldap_escape(htmlspecialchars_decode($username)) . ')';

+ if ($this->config['ldap_user_filter'])

+ {

+ $_filter = ($this->config['ldap_user_filter'][0] == '(' && substr($this->config['ldap_user_filter'], -1) == ')') ? $this->config['ldap_user_filter'] : "({$this->config['ldap_user_filter']})";

+ $filter = "(&{$filter}{$_filter})";

+ }

+ return $filter;

+ }

+

+ /**

+ * Escapes an LDAP AttributeValue

+ *

+ * @param string $string The string to be escaped

+ * @return string The escaped string

+ */

+ private function ldap_escape($string)

+ {

+ return str_replace(array('*', '\\', '(', ')'), array('\\*', '\\\\', '\\(', '\\)'), $string);

+ }

+}

+<?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\provider\oauth;

+

+use OAuth\Common\Consumer\Credentials;

+

+/**

+* OAuth authentication provider for phpBB3

+*/

+class oauth extends \phpbb\auth\provider\base

+{

+ /**

+ * Database driver

+ *

+ * @var \phpbb\db\driver\driver_interface

+ */

+ protected $db;

+

+ /**

+ * phpBB config

+ *

+ * @var \phpbb\config\config

+ */

+ protected $config;

+

+ /**

+ * phpBB passwords manager

+ *

+ * @var \phpbb\passwords\manager

+ */

+ protected $passwords_manager;

+

+ /**

+ * phpBB request object

+ *

+ * @var \phpbb\request\request_interface

+ */

+ protected $request;

+

+ /**

+ * phpBB user

+ *

+ * @var \phpbb\user

+ */

+ protected $user;

+

+ /**

+ * OAuth token table

+ *

+ * @var string

+ */

+ protected $auth_provider_oauth_token_storage_table;

+

+ /**

+ * OAuth account association table

+ *

+ * @var string

+ */

+ protected $auth_provider_oauth_token_account_assoc;

+

+ /**

+ * All OAuth service providers

+ *

+ * @var \phpbb\di\service_collection Contains \phpbb\auth\provider\oauth\service_interface

+ */

+ protected $service_providers;

+

+ /**

+ * Users table

+ *

+ * @var string

+ */

+ protected $users_table;

+

+ /**

+ * Cached current uri object

+ *

+ * @var \OAuth\Common\Http\Uri\UriInterface|null

+ */

+ protected $current_uri;

+

+ /**

+ * DI container

+ *

+ * @var \Symfony\Component\DependencyInjection\ContainerInterface

+ */

+ protected $phpbb_container;

+

+ /**

+ * phpBB event dispatcher

+ *

+ * @var \phpbb\event\dispatcher_interface

+ */

+ protected $dispatcher;

+

+ /**

+ * phpBB root path

+ *

+ * @var string

+ */

+ protected $phpbb_root_path;

+

+ /**

+ * PHP file extension

+ *

+ * @var string

+ */

+ protected $php_ext;

+

+ /**

+ * OAuth Authentication Constructor

+ *

+ * @param \phpbb\db\driver\driver_interface $db

+ * @param \phpbb\config\config $config

+ * @param \phpbb\passwords\manager $passwords_manager

+ * @param \phpbb\request\request_interface $request

+ * @param \phpbb\user $user

+ * @param string $auth_provider_oauth_token_storage_table

+ * @param string $auth_provider_oauth_token_account_assoc

+ * @param \phpbb\di\service_collection $service_providers Contains \phpbb\auth\provider\oauth\service_interface

+ * @param string $users_table

+ * @param \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container DI container

+ * @param \phpbb\event\dispatcher_interface $dispatcher phpBB event dispatcher

+ * @param string $phpbb_root_path

+ * @param string $php_ext

+ */

+ public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\request\request_interface $request, \phpbb\user $user, $auth_provider_oauth_token_storage_table, $auth_provider_oauth_token_account_assoc, \phpbb\di\service_collection $service_providers, $users_table, \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container, \phpbb\event\dispatcher_interface $dispatcher, $phpbb_root_path, $php_ext)

+ {

+ $this->db = $db;

+ $this->config = $config;

+ $this->passwords_manager = $passwords_manager;

+ $this->request = $request;

+ $this->user = $user;

+ $this->auth_provider_oauth_token_storage_table = $auth_provider_oauth_token_storage_table;

+ $this->auth_provider_oauth_token_account_assoc = $auth_provider_oauth_token_account_assoc;

+ $this->service_providers = $service_providers;

+ $this->users_table = $users_table;

+ $this->phpbb_container = $phpbb_container;

+ $this->dispatcher = $dispatcher;

+ $this->phpbb_root_path = $phpbb_root_path;

+ $this->php_ext = $php_ext;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function init()

+ {

+ // This does not test whether or not the key and secret provided are valid.

+ foreach ($this->service_providers as $service_provider)

+ {

+ $credentials = $service_provider->get_service_credentials();

+

+ if (($credentials['key'] && !$credentials['secret']) || (!$credentials['key'] && $credentials['secret']))

+ {

+ return $this->user->lang['AUTH_PROVIDER_OAUTH_ERROR_ELEMENT_MISSING'];

+ }

+ }

+ return false;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function login($username, $password)

+ {

+ // Temporary workaround for only having one authentication provider available

+ if (!$this->request->is_set('oauth_service'))

+ {

+ $provider = new \phpbb\auth\provider\db($this->db, $this->config, $this->passwords_manager, $this->request, $this->user, $this->phpbb_container, $this->phpbb_root_path, $this->php_ext);

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

+ }

+

+ // Requst the name of the OAuth service

+ $service_name_original = $this->request->variable('oauth_service', '', false);

+ $service_name = 'auth.provider.oauth.service.' . strtolower($service_name_original);

+ if ($service_name_original === '' || !array_key_exists($service_name, $this->service_providers))

+ {

+ return array(

+ 'status' => LOGIN_ERROR_EXTERNAL_AUTH,

+ 'error_msg' => 'LOGIN_ERROR_OAUTH_SERVICE_DOES_NOT_EXIST',

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

+ );

+ }

+

+ // Get the service credentials for the given service

+ $service_credentials = $this->service_providers[$service_name]->get_service_credentials();

+

+ $storage = new \phpbb\auth\provider\oauth\token_storage($this->db, $this->user, $this->auth_provider_oauth_token_storage_table);

+ $query = 'mode=login&login=external&oauth_service=' . $service_name_original;

+ $service = $this->get_service($service_name_original, $storage, $service_credentials, $query, $this->service_providers[$service_name]->get_auth_scope());

+

+ if ($this->request->is_set('code', \phpbb\request\request_interface::GET))

+ {

+ $this->service_providers[$service_name]->set_external_service_provider($service);

+ $unique_id = $this->service_providers[$service_name]->perform_auth_login();

+

+ // Check to see if this provider is already assosciated with an account

+ $data = array(

+ 'provider' => $service_name_original,

+ 'oauth_provider_id' => $unique_id

+ );

+ $sql = 'SELECT user_id FROM ' . $this->auth_provider_oauth_token_account_assoc . '

+ WHERE ' . $this->db->sql_build_array('SELECT', $data);

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

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

+ $this->db->sql_freeresult($result);

+

+ if (!$row)

+ {

+ // The user does not yet exist, ask to link or create profile

+ return array(

+ 'status' => LOGIN_SUCCESS_LINK_PROFILE,

+ 'error_msg' => 'LOGIN_OAUTH_ACCOUNT_NOT_LINKED',

+ 'user_row' => array(),

+ 'redirect_data' => array(

+ 'auth_provider' => 'oauth',

+ 'login_link_oauth_service' => $service_name_original,

+ ),

+ );

+ }

+

+ // Retrieve the user's account

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

+ FROM ' . $this->users_table . '

+ WHERE user_id = ' . (int) $row['user_id'];

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

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

+ $this->db->sql_freeresult($result);

+

+ if (!$row)

+ {

+ throw new \Exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_ENTRY');

+ }

+

+ // Update token storage to store the user_id

+ $storage->set_user_id($row['user_id']);

+

+ /**

+ * Event is triggered after user is successfuly logged in via OAuth.

+ *

+ * @event core.auth_oauth_login_after

+ * @var array row User row

+ * @since 3.1.11-RC1

+ */

+ $vars = array(

+ 'row',

+ );

+ extract($this->dispatcher->trigger_event('core.auth_oauth_login_after', compact($vars)));

+

+ // The user is now authenticated and can be logged in

+ return array(

+ 'status' => LOGIN_SUCCESS,

+ 'error_msg' => false,

+ 'user_row' => $row,

+ );

+ }

+ else

+ {

+ $url = $service->getAuthorizationUri();

+ header('Location: ' . $url);

+ }

+ }

+

+ /**

+ * Returns the cached current_uri object or creates and caches it if it is

+ * not already created. In each case the query string is updated based on

+ * the $query parameter.

+ *

+ * @param string $service_name The name of the service

+ * @param string $query The query string of the current_uri

+ * used in redirects

+ * @return \OAuth\Common\Http\Uri\UriInterface

+ */

+ protected function get_current_uri($service_name, $query)

+ {

+ if ($this->current_uri)

+ {

+ $this->current_uri->setQuery($query);

+ return $this->current_uri;

+ }

+

+ $uri_factory = new \OAuth\Common\Http\Uri\UriFactory();

+ $super_globals = $this->request->get_super_global(\phpbb\request\request_interface::SERVER);

+ if (!empty($super_globals['HTTP_X_FORWARDED_PROTO']) && $super_globals['HTTP_X_FORWARDED_PROTO'] === 'https')

+ {

+ $super_globals['HTTPS'] = 'on';

+ $super_globals['SERVER_PORT'] = 443;

+ }

+ $current_uri = $uri_factory->createFromSuperGlobalArray($super_globals);

+ $current_uri->setQuery($query);

+

+ $this->current_uri = $current_uri;

+ return $current_uri;

+ }

+

+ /**

+ * Returns a new service object

+ *

+ * @param string $service_name The name of the service

+ * @param \phpbb\auth\provider\oauth\token_storage $storage

+ * @param array $service_credentials {@see \phpbb\auth\provider\oauth\oauth::get_service_credentials}

+ * @param string $query The query string of the

+ * current_uri used in redirection

+ * @param array $scopes The scope of the request against

+ * the api.

+ * @return \OAuth\Common\Service\ServiceInterface

+ * @throws \Exception

+ */

+ protected function get_service($service_name, \phpbb\auth\provider\oauth\token_storage $storage, array $service_credentials, $query, array $scopes = array())

+ {

+ $current_uri = $this->get_current_uri($service_name, $query);

+

+ // Setup the credentials for the requests

+ $credentials = new Credentials(

+ $service_credentials['key'],

+ $service_credentials['secret'],

+ $current_uri->getAbsoluteUri()

+ );

+

+ $service_factory = new \OAuth\ServiceFactory();

+ $service = $service_factory->createService($service_name, $credentials, $storage, $scopes);

+

+ if (!$service)

+ {

+ throw new \Exception('AUTH_PROVIDER_OAUTH_ERROR_SERVICE_NOT_CREATED');

+ }

+

+ return $service;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_login_data()

+ {

+ $login_data = array(

+ 'TEMPLATE_FILE' => 'login_body_oauth.html',

+ 'BLOCK_VAR_NAME' => 'oauth',

+ 'BLOCK_VARS' => array(),

+ );

+

+ foreach ($this->service_providers as $service_name => $service_provider)

+ {

+ // Only include data if the credentials are set

+ $credentials = $service_provider->get_service_credentials();

+ if ($credentials['key'] && $credentials['secret'])

+ {

+ $actual_name = str_replace('auth.provider.oauth.service.', '', $service_name);

+ $redirect_url = build_url(false) . '&login=external&oauth_service=' . $actual_name;

+ $login_data['BLOCK_VARS'][$service_name] = array(

+ 'REDIRECT_URL' => redirect($redirect_url, true),

+ 'SERVICE_NAME' => $this->user->lang['AUTH_PROVIDER_OAUTH_SERVICE_' . strtoupper($actual_name)],

+ );

+ }

+ }

+

+ return $login_data;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function acp()

+ {

+ $ret = array();

+

+ foreach ($this->service_providers as $service_name => $service_provider)

+ {

+ $actual_name = str_replace('auth.provider.oauth.service.', '', $service_name);

+ $ret[] = 'auth_oauth_' . $actual_name . '_key';

+ $ret[] = 'auth_oauth_' . $actual_name . '_secret';

+ }

+

+ return $ret;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_acp_template($new_config)

+ {

+ $ret = array(

+ 'BLOCK_VAR_NAME' => 'oauth_services',

+ 'BLOCK_VARS' => array(),

+ 'TEMPLATE_FILE' => 'auth_provider_oauth.html',

+ 'TEMPLATE_VARS' => array(),

+ );

+

+ foreach ($this->service_providers as $service_name => $service_provider)

+ {

+ $actual_name = str_replace('auth.provider.oauth.service.', '', $service_name);

+ $ret['BLOCK_VARS'][$actual_name] = array(

+ 'ACTUAL_NAME' => $this->user->lang['AUTH_PROVIDER_OAUTH_SERVICE_' . strtoupper($actual_name)],

+ 'KEY' => $new_config['auth_oauth_' . $actual_name . '_key'],

+ 'NAME' => $actual_name,

+ 'SECRET' => $new_config['auth_oauth_' . $actual_name . '_secret'],

+ );

+ }

+

+ return $ret;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function login_link_has_necessary_data($login_link_data)

+ {

+ if (empty($login_link_data))

+ {

+ return 'LOGIN_LINK_NO_DATA_PROVIDED';

+ }

+

+ if (!array_key_exists('oauth_service', $login_link_data) || !$login_link_data['oauth_service'] ||

+ !array_key_exists('link_method', $login_link_data) || !$login_link_data['link_method'])

+ {

+ return 'LOGIN_LINK_MISSING_DATA';

+ }

+

+ return null;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function link_account(array $link_data)

+ {

+ // Check for a valid link method (auth_link or login_link)

+ if (!array_key_exists('link_method', $link_data) ||

+ !in_array($link_data['link_method'], array(

+ 'auth_link',

+ 'login_link',

+ )))

+ {

+ return 'LOGIN_LINK_MISSING_DATA';

+ }

+

+ // We must have an oauth_service listed, check for it two ways

+ if (!array_key_exists('oauth_service', $link_data) || !$link_data['oauth_service'])

+ {

+ $link_data['oauth_service'] = $this->request->variable('oauth_service', '');

+

+ if (!$link_data['oauth_service'])

+ {

+ return 'LOGIN_LINK_MISSING_DATA';

+ }

+ }

+

+ $service_name = 'auth.provider.oauth.service.' . strtolower($link_data['oauth_service']);

+ if (!array_key_exists($service_name, $this->service_providers))

+ {

+ return 'LOGIN_ERROR_OAUTH_SERVICE_DOES_NOT_EXIST';

+ }

+

+ switch ($link_data['link_method'])

+ {

+ case 'auth_link':

+ return $this->link_account_auth_link($link_data, $service_name);

+ case 'login_link':

+ return $this->link_account_login_link($link_data, $service_name);

+ }

+ }

+

+ /**

+ * Performs the account linking for login_link

+ *

+ * @param array $link_data The same variable given to {@see \phpbb\auth\provider\provider_interface::link_account}

+ * @param string $service_name The name of the service being used in

+ * linking.

+ * @return string|null Returns a language constant (string) if an error is

+ * encountered, or null on success.

+ */

+ protected function link_account_login_link(array $link_data, $service_name)

+ {

+ $storage = new \phpbb\auth\provider\oauth\token_storage($this->db, $this->user, $this->auth_provider_oauth_token_storage_table);

+

+ // Check for an access token, they should have one

+ if (!$storage->has_access_token_by_session($service_name))

+ {

+ return 'LOGIN_LINK_ERROR_OAUTH_NO_ACCESS_TOKEN';

+ }

+

+ // Prepare the query string

+ $query = 'mode=login_link&login_link_oauth_service=' . strtolower($link_data['oauth_service']);

+

+ // Prepare for an authentication request

+ $service_credentials = $this->service_providers[$service_name]->get_service_credentials();

+ $scopes = $this->service_providers[$service_name]->get_auth_scope();

+ $service = $this->get_service(strtolower($link_data['oauth_service']), $storage, $service_credentials, $query, $scopes);

+ $this->service_providers[$service_name]->set_external_service_provider($service);

+

+ // The user has already authenticated successfully, request to authenticate again

+ $unique_id = $this->service_providers[$service_name]->perform_token_auth();

+

+ // Insert into table, they will be able to log in after this

+ $data = array(

+ 'user_id' => $link_data['user_id'],

+ 'provider' => strtolower($link_data['oauth_service']),

+ 'oauth_provider_id' => $unique_id,

+ );

+

+ $this->link_account_perform_link($data);

+ // Update token storage to store the user_id

+ $storage->set_user_id($link_data['user_id']);

+ }

+

+ /**

+ * Performs the account linking for auth_link

+ *

+ * @param array $link_data The same variable given to {@see \phpbb\auth\provider\provider_interface::link_account}

+ * @param string $service_name The name of the service being used in

+ * linking.

+ * @return string|null Returns a language constant (string) if an error is

+ * encountered, or null on success.

+ */

+ protected function link_account_auth_link(array $link_data, $service_name)

+ {

+ $storage = new \phpbb\auth\provider\oauth\token_storage($this->db, $this->user, $this->auth_provider_oauth_token_storage_table);

+ $query = 'i=ucp_auth_link&mode=auth_link&link=1&oauth_service=' . strtolower($link_data['oauth_service']);

+ $service_credentials = $this->service_providers[$service_name]->get_service_credentials();

+ $scopes = $this->service_providers[$service_name]->get_auth_scope();

+ $service = $this->get_service(strtolower($link_data['oauth_service']), $storage, $service_credentials, $query, $scopes);

+

+ if ($this->request->is_set('code', \phpbb\request\request_interface::GET))

+ {

+ $this->service_providers[$service_name]->set_external_service_provider($service);

+ $unique_id = $this->service_providers[$service_name]->perform_auth_login();

+

+ // Insert into table, they will be able to log in after this

+ $data = array(

+ 'user_id' => $this->user->data['user_id'],

+ 'provider' => strtolower($link_data['oauth_service']),

+ 'oauth_provider_id' => $unique_id,

+ );

+

+ $this->link_account_perform_link($data);

+ }

+ else

+ {

+ $url = $service->getAuthorizationUri();

+ header('Location: ' . $url);

+ }

+ }

+

+ /**

+ * Performs the query that inserts an account link

+ *

+ * @param array $data This array is passed to db->sql_build_array

+ */

+ protected function link_account_perform_link(array $data)

+ {

+ $sql = 'INSERT INTO ' . $this->auth_provider_oauth_token_account_assoc . '

+ ' . $this->db->sql_build_array('INSERT', $data);

+ $this->db->sql_query($sql);

+

+ /**

+ * Event is triggered after user links account.

+ *

+ * @event core.auth_oauth_link_after

+ * @var array data User row

+ * @since 3.1.11-RC1

+ */

+ $vars = array(

+ 'data',

+ );

+ extract($this->dispatcher->trigger_event('core.auth_oauth_link_after', compact($vars)));

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function logout($data, $new_session)

+ {

+ // Clear all tokens belonging to the user

+ $storage = new \phpbb\auth\provider\oauth\token_storage($this->db, $this->user, $this->auth_provider_oauth_token_storage_table);

+ $storage->clearAllTokens();

+

+ return;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_auth_link_data($user_id = 0)

+ {

+ $block_vars = array();

+

+ // Get all external accounts tied to the current user

+ $data = array(

+ 'user_id' => ($user_id <= 0) ? (int) $this->user->data['user_id'] : (int) $user_id,

+ );

+ $sql = 'SELECT oauth_provider_id, provider FROM ' . $this->auth_provider_oauth_token_account_assoc . '

+ WHERE ' . $this->db->sql_build_array('SELECT', $data);

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

+ $rows = $this->db->sql_fetchrowset($result);

+ $this->db->sql_freeresult($result);

+

+ $oauth_user_ids = array();

+

+ if ($rows !== false && sizeof($rows))

+ {

+ foreach ($rows as $row)

+ {

+ $oauth_user_ids[$row['provider']] = $row['oauth_provider_id'];

+ }

+ }

+ unset($rows);

+

+ foreach ($this->service_providers as $service_name => $service_provider)

+ {

+ // Only include data if the credentials are set

+ $credentials = $service_provider->get_service_credentials();

+ if ($credentials['key'] && $credentials['secret'])

+ {

+ $actual_name = str_replace('auth.provider.oauth.service.', '', $service_name);

+

+ $block_vars[$service_name] = array(

+ 'HIDDEN_FIELDS' => array(

+ 'link' => (!isset($oauth_user_ids[$actual_name])),

+ 'oauth_service' => $actual_name,

+ ),

+

+ 'SERVICE_NAME' => $this->user->lang['AUTH_PROVIDER_OAUTH_SERVICE_' . strtoupper($actual_name)],

+ 'UNIQUE_ID' => (isset($oauth_user_ids[$actual_name])) ? $oauth_user_ids[$actual_name] : null,

+ );

+ }

+ }

+

+ return array(

+ 'BLOCK_VAR_NAME' => 'oauth',

+ 'BLOCK_VARS' => $block_vars,

+

+ 'TEMPLATE_FILE' => 'ucp_auth_link_oauth.html',

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function unlink_account(array $link_data)

+ {

+ if (!array_key_exists('oauth_service', $link_data) || !$link_data['oauth_service'])

+ {

+ return 'LOGIN_LINK_MISSING_DATA';

+ }

+

+ // Remove user specified in $link_data if possible

+ $user_id = isset($link_data['user_id']) ? $link_data['user_id'] : $this->user->data['user_id'];

+

+ // Remove the link

+ $sql = 'DELETE FROM ' . $this->auth_provider_oauth_token_account_assoc . "

+ WHERE provider = '" . $this->db->sql_escape($link_data['oauth_service']) . "'

+ AND user_id = " . (int) $user_id;

+ $this->db->sql_query($sql);

+

+ // Clear all tokens belonging to the user on this servce

+ $service_name = 'auth.provider.oauth.service.' . strtolower($link_data['oauth_service']);

+ $storage = new \phpbb\auth\provider\oauth\token_storage($this->db, $this->user, $this->auth_provider_oauth_token_storage_table);

+ $storage->clearToken($service_name);

+ }

+}

+<?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\provider\oauth\service;

+

+/**

+* Base OAuth abstract class that all OAuth services should implement

+*/

+abstract class base implements \phpbb\auth\provider\oauth\service\service_interface

+{

+ /**

+ * External OAuth service provider

+ *

+ * @var \OAuth\Common\Service\ServiceInterface

+ */

+ protected $service_provider;

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_external_service_provider()

+ {

+ return $this->service_provider;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_auth_scope()

+ {

+ return array();

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function set_external_service_provider(\OAuth\Common\Service\ServiceInterface $service_provider)

+ {

+ $this->service_provider = $service_provider;

+ }

+}

+<?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\provider\oauth\service;

+

+/**

+* Bitly OAuth service

+*/

+class bitly extends \phpbb\auth\provider\oauth\service\base

+{

+ /**

+ * phpBB config

+ *

+ * @var \phpbb\config\config

+ */

+ protected $config;

+

+ /**

+ * phpBB request

+ *

+ * @var \phpbb\request\request_interface

+ */

+ protected $request;

+

+ /**

+ * Constructor

+ *

+ * @param \phpbb\config\config $config

+ * @param \phpbb\request\request_interface $request

+ */

+ public function __construct(\phpbb\config\config $config, \phpbb\request\request_interface $request)

+ {

+ $this->config = $config;

+ $this->request = $request;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_service_credentials()

+ {

+ return array(

+ 'key' => $this->config['auth_oauth_bitly_key'],

+ 'secret' => $this->config['auth_oauth_bitly_secret'],

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function perform_auth_login()

+ {

+ if (!($this->service_provider instanceof \OAuth\OAuth2\Service\Bitly))

+ {

+ throw new \phpbb\auth\provider\oauth\service\exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_SERVICE_TYPE');

+ }

+

+ // This was a callback request from bitly, get the token

+ $this->service_provider->requestAccessToken($this->request->variable('code', ''));

+

+ // Send a request with it

+ $result = json_decode($this->service_provider->request('user/info'), true);

+

+ // Return the unique identifier returned from bitly

+ return $result['data']['login'];

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function perform_token_auth()

+ {

+ if (!($this->service_provider instanceof \OAuth\OAuth2\Service\Bitly))

+ {

+ throw new \phpbb\auth\provider\oauth\service\exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_SERVICE_TYPE');

+ }

+

+ // Send a request with it

+ $result = json_decode($this->service_provider->request('user/info'), true);

+

+ // Return the unique identifier returned from bitly

+ return $result['data']['login'];

+ }

+}

+<?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\provider\oauth\service;

+

+/**

+* OAuth service exception class

+*/

+class exception extends \RuntimeException

+{

+}

+<?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\provider\oauth\service;

+

+/**

+* Facebook OAuth service

+*/

+class facebook extends base

+{

+ /**

+ * phpBB config

+ *

+ * @var \phpbb\config\config

+ */

+ protected $config;

+

+ /**

+ * phpBB request

+ *

+ * @var \phpbb\request\request_interface

+ */

+ protected $request;

+

+ /**

+ * Constructor

+ *

+ * @param \phpbb\config\config $config

+ * @param \phpbb\request\request_interface $request

+ */

+ public function __construct(\phpbb\config\config $config, \phpbb\request\request_interface $request)

+ {

+ $this->config = $config;

+ $this->request = $request;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_service_credentials()

+ {

+ return array(

+ 'key' => $this->config['auth_oauth_facebook_key'],

+ 'secret' => $this->config['auth_oauth_facebook_secret'],

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function perform_auth_login()

+ {

+ if (!($this->service_provider instanceof \OAuth\OAuth2\Service\Facebook))

+ {

+ throw new exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_SERVICE_TYPE');

+ }

+

+ // This was a callback request, get the token

+ $this->service_provider->requestAccessToken($this->request->variable('code', ''));

+

+ // Send a request with it

+ $result = json_decode($this->service_provider->request('/me'), true);

+

+ // Return the unique identifier

+ return $result['id'];

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function perform_token_auth()

+ {

+ if (!($this->service_provider instanceof \OAuth\OAuth2\Service\Facebook))

+ {

+ throw new exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_SERVICE_TYPE');

+ }

+

+ // Send a request with it

+ $result = json_decode($this->service_provider->request('/me'), true);

+

+ // Return the unique identifier

+ return $result['id'];

+ }

+}

+<?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\provider\oauth\service;

+

+/**

+* Google OAuth service

+*/

+class google extends base

+{

+ /**

+ * phpBB config

+ *

+ * @var \phpbb\config\config

+ */

+ protected $config;

+

+ /**

+ * phpBB request

+ *

+ * @var \phpbb\request\request_interface

+ */

+ protected $request;

+

+ /**

+ * Constructor

+ *

+ * @param \phpbb\config\config $config

+ * @param \phpbb\request\request_interface $request

+ */

+ public function __construct(\phpbb\config\config $config, \phpbb\request\request_interface $request)

+ {

+ $this->config = $config;

+ $this->request = $request;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_auth_scope()

+ {

+ return array(

+ 'userinfo_email',

+ 'userinfo_profile',

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function get_service_credentials()

+ {

+ return array(

+ 'key' => $this->config['auth_oauth_google_key'],

+ 'secret' => $this->config['auth_oauth_google_secret'],

+ );

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function perform_auth_login()

+ {

+ if (!($this->service_provider instanceof \OAuth\OAuth2\Service\Google))

+ {

+ throw new exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_SERVICE_TYPE');

+ }

+

+ // This was a callback request, get the token

+ $this->service_provider->requestAccessToken($this->request->variable('code', ''));

+

+ // Send a request with it

+ $result = json_decode($this->service_provider->request('https://www.googleapis.com/oauth2/v1/userinfo'), true);

+

+ // Return the unique identifier

+ return $result['id'];

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function perform_token_auth()

+ {

+ if (!($this->service_provider instanceof \OAuth\OAuth2\Service\Google))

+ {

+ throw new exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_SERVICE_TYPE');

+ }

+

+ // Send a request with it

+ $result = json_decode($this->service_provider->request('https://www.googleapis.com/oauth2/v1/userinfo'), true);

+

+ // Return the unique identifier

+ return $result['id'];

+ }

+}

+<?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\provider\oauth\service;

+

+/**

+* OAuth service interface

+*/

+interface service_interface

+{

+ /**

+ * Returns an array of the scopes necessary for auth

+ *

+ * @return array An array of the required scopes

+ */

+ public function get_auth_scope();

+

+ /**

+ * Returns the external library service provider once it has been set

+ *

+ * @param \OAuth\Common\Service\ServiceInterface|null

+ */

+ public function get_external_service_provider();

+

+ /**

+ * Returns an array containing the service credentials belonging to requested

+ * service.

+ *

+ * @return array An array containing the 'key' and the 'secret' of the

+ * service in the form:

+ * array(

+ * 'key' => string

+ * 'secret' => string

+ * )

+ */

+ public function get_service_credentials();

+

+ /**

+ * Returns the results of the authentication in json format

+ *

+ * @throws \phpbb\auth\provider\oauth\service\exception

+ * @return string The unique identifier returned by the service provider

+ * that is used to authenticate the user with phpBB.

+ */

+ public function perform_auth_login();

+

+ /**

+ * Returns the results of the authentication in json format

+ * Use this function when the user already has an access token

+ *

+ * @throws \phpbb\auth\provider\oauth\service\exception

+ * @return string The unique identifier returned by the service provider

+ * that is used to authenticate the user with phpBB.

+ */

+ public function perform_token_auth();

+

+ /**

+ * Sets the external library service provider

+ *

+ * @param \OAuth\Common\Service\ServiceInterface $service_provider

+ */

+ public function set_external_service_provider(\OAuth\Common\Service\ServiceInterface $service_provider);

+}

+<?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\provider\oauth;

+

+use OAuth\OAuth1\Token\StdOAuth1Token;

+use OAuth\Common\Token\TokenInterface;

+use OAuth\Common\Storage\TokenStorageInterface;

+use OAuth\Common\Storage\Exception\TokenNotFoundException;

+

+/**

+* OAuth storage wrapper for phpbb's cache

+*/

+class token_storage implements TokenStorageInterface

+{

+ /**

+ * Cache driver.

+ *

+ * @var \phpbb\db\driver\driver_interface

+ */

+ protected $db;

+

+ /**

+ * phpBB user

+ *

+ * @var \phpbb\user

+ */

+ protected $user;

+

+ /**

+ * OAuth token table

+ *

+ * @var string

+ */

+ protected $auth_provider_oauth_table;

+

+ /**

+ * @var object|TokenInterface

+ */

+ protected $cachedToken;

+

+ /**

+ * Creates token storage for phpBB.

+ *

+ * @param \phpbb\db\driver\driver_interface $db

+ * @param \phpbb\user $user

+ * @param string $auth_provider_oauth_table

+ */

+ public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\user $user, $auth_provider_oauth_table)

+ {

+ $this->db = $db;

+ $this->user = $user;

+ $this->auth_provider_oauth_table = $auth_provider_oauth_table;

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function retrieveAccessToken($service)

+ {

+ $service = $this->get_service_name_for_db($service);

+

+ if ($this->cachedToken instanceof TokenInterface)

+ {

+ return $this->cachedToken;

+ }

+

+ $data = array(

+ 'user_id' => (int) $this->user->data['user_id'],

+ 'provider' => $service,

+ );

+

+ if ((int) $this->user->data['user_id'] === ANONYMOUS)

+ {

+ $data['session_id'] = $this->user->data['session_id'];

+ }

+

+ return $this->_retrieve_access_token($data);

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function storeAccessToken($service, TokenInterface $token)

+ {

+ $service = $this->get_service_name_for_db($service);

+

+ $this->cachedToken = $token;

+

+ $data = array(

+ 'user_id' => (int) $this->user->data['user_id'],

+ 'provider' => $service,

+ 'oauth_token' => $this->json_encode_token($token),

+ 'session_id' => $this->user->data['session_id'],

+ );

+

+ $sql = 'INSERT INTO ' . $this->auth_provider_oauth_table . '

+ ' . $this->db->sql_build_array('INSERT', $data);

+ $this->db->sql_query($sql);

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function hasAccessToken($service)

+ {

+ $service = $this->get_service_name_for_db($service);

+

+ if ($this->cachedToken)

+ {

+ return true;

+ }

+

+ $data = array(

+ 'user_id' => (int) $this->user->data['user_id'],

+ 'provider' => $service,

+ );

+

+ if ((int) $this->user->data['user_id'] === ANONYMOUS)

+ {

+ $data['session_id'] = $this->user->data['session_id'];

+ }

+

+ return $this->_has_acess_token($data);

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function clearToken($service)

+ {

+ $service = $this->get_service_name_for_db($service);

+

+ $this->cachedToken = null;

+

+ $sql = 'DELETE FROM ' . $this->auth_provider_oauth_table . '

+ WHERE user_id = ' . (int) $this->user->data['user_id'] . "

+ AND provider = '" . $this->db->sql_escape($service) . "'";

+

+ if ((int) $this->user->data['user_id'] === ANONYMOUS)

+ {

+ $sql .= " AND session_id = '" . $this->db->sql_escape($this->user->data['session_id']) . "'";

+ }

+

+ $this->db->sql_query($sql);

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ public function clearAllTokens()

+ {

+ $this->cachedToken = null;

+

+ $sql = 'DELETE FROM ' . $this->auth_provider_oauth_table . '

+ WHERE user_id = ' . (int) $this->user->data['user_id'];

+

+ if ((int) $this->user->data['user_id'] === ANONYMOUS)

+ {

+ $sql .= " AND session_id = '" . $this->db->sql_escape($this->user->data['session_id']) . "'";

+ }

+

+ $this->db->sql_query($sql);

+ }

+

+ /**

+ * Updates the user_id field in the database assosciated with the token

+ *

+ * @param int $user_id

+ */

+ public function set_user_id($user_id)

+ {

+ if (!$this->cachedToken)

+ {

+ return;

+ }

+

+ $sql = 'UPDATE ' . $this->auth_provider_oauth_table . '

+ SET ' . $this->db->sql_build_array('UPDATE', array(

+ 'user_id' => (int) $user_id

+ )) . '

+ WHERE user_id = ' . (int) $this->user->data['user_id'] . "

+ AND session_id = '" . $this->db->sql_escape($this->user->data['session_id']) . "'";

+ $this->db->sql_query($sql);

+ }

+

+ /**

+ * Checks to see if an access token exists solely by the session_id of the user

+ *

+ * @param string $service The name of the OAuth service

+ * @return bool true if they have token, false if they don't

+ */

+ public function has_access_token_by_session($service)

+ {

+ $service = $this->get_service_name_for_db($service);

+

+ if ($this->cachedToken)

+ {

+ return true;

+ }

+

+ $data = array(

+ 'session_id' => $this->user->data['session_id'],

+ 'provider' => $service,

+ );

+

+ return $this->_has_acess_token($data);

+ }

+

+ /**

+ * A helper function that performs the query for has access token functions

+ *

+ * @param array $data

+ * @return bool

+ */

+ protected function _has_acess_token($data)

+ {

+ return (bool) $this->get_access_token_row($data);

+ }

+

+ public function retrieve_access_token_by_session($service)

+ {

+ $service = $this->get_service_name_for_db($service);

+

+ if ($this->cachedToken instanceof TokenInterface)

+ {

+ return $this->cachedToken;

+ }

+

+ $data = array(

+ 'session_id' => $this->user->data['session_id'],

+ 'provider' => $service,

+ );

+

+ return $this->_retrieve_access_token($data);

+ }

+

+ /**

+ * A helper function that performs the query for retrieve access token functions

+ * Also checks if the token is a valid token

+ *

+ * @param array $data

+ * @return mixed

+ * @throws \OAuth\Common\Storage\Exception\TokenNotFoundException

+ */

+ protected function _retrieve_access_token($data)

+ {

+ $row = $this->get_access_token_row($data);

+

+ if (!$row)

+ {

+ throw new TokenNotFoundException('AUTH_PROVIDER_OAUTH_TOKEN_ERROR_NOT_STORED');

+ }

+

+ $token = $this->json_decode_token($row['oauth_token']);

+

+ // Ensure that the token was serialized/unserialized correctly

+ if (!($token instanceof TokenInterface))

+ {

+ $this->clearToken($data['provider']);

+ throw new TokenNotFoundException('AUTH_PROVIDER_OAUTH_TOKEN_ERROR_INCORRECTLY_STORED');

+ }

+

+ $this->cachedToken = $token;

+ return $token;

+ }

+

+ /**

+ * A helper function that performs the query for retrieving an access token

+ *

+ * @param array $data

+ * @return mixed

+ */

+ protected function get_access_token_row($data)

+ {

+ $sql = 'SELECT oauth_token FROM ' . $this->auth_provider_oauth_table . '

+ WHERE ' . $this->db->sql_build_array('SELECT', $data);

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

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

+ $this->db->sql_freeresult($result);

+

+ return $row;

+ }

+

+ public function json_encode_token(TokenInterface $token)

+ {

+ $members = array(

+ 'accessToken' => $token->getAccessToken(),

+ 'endOfLife' => $token->getEndOfLife(),

+ 'extraParams' => $token->getExtraParams(),

+ 'refreshToken' => $token->getRefreshToken(),

+

+ 'token_class' => get_class($token),

+ );

+

+ // Handle additional data needed for OAuth1 tokens

+ if ($token instanceof StdOAuth1Token)

+ {

+ $members['requestToken'] = $token->getRequestToken();

+ $members['requestTokenSecret'] = $token->getRequestTokenSecret();

+ $members['accessTokenSecret'] = $token->getAccessTokenSecret();

+ }

+

+ return json_encode($members);

+ }

+

+ public function json_decode_token($json)

+ {

+ $token_data = json_decode($json, true);

+

+ if ($token_data === null)

+ {

+ throw new TokenNotFoundException('AUTH_PROVIDER_OAUTH_TOKEN_ERROR_INCORRECTLY_STORED');

+ }

+

+ $token_class = $token_data['token_class'];

+ $access_token = $token_data['accessToken'];

+ $refresh_token = $token_data['refreshToken'];

+ $endOfLife = $token_data['endOfLife'];

+ $extra_params = $token_data['extraParams'];

+

+ // Create the token

+ $token = new $token_class($access_token, $refresh_token, TokenInterface::EOL_NEVER_EXPIRES, $extra_params);

+ $token->setEndOfLife($endOfLife);

+

+ // Handle OAuth 1.0 specific elements

+ if ($token instanceof StdOAuth1Token)

+ {

+ $token->setRequestToken($token_data['requestToken']);

+ $token->setRequestTokenSecret($token_data['requestTokenSecret']);

+ $token->setAccessTokenSecret($token_data['accessTokenSecret']);

+ }

+

+ return $token;

+ }

+

+ /**

+ * Returns the name of the service as it must be stored in the database.

+ *

+ * @param string $service The name of the OAuth service

+ * @return string The name of the OAuth service as it needs to be stored

+ * in the database.

+ */

+ protected function get_service_name_for_db($service)

+ {

+ // Enforce the naming convention for oauth services

+ if (strpos($service, 'auth.provider.oauth.service.') !== 0)

+ {

+ $service = 'auth.provider.oauth.service.' . strtolower($service);

+ }

+

+ return $service;

+ }

+}

+<?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\provider;

+

+/**

+* The interface authentication provider classes have to implement.

+*/

+interface provider_interface

+{

+ /**

+ * Checks whether the user is currently identified to the authentication

+ * provider.

+ * Called in acp_board while setting authentication plugins.

+ * Changing to an authentication provider will not be permitted in acp_board

+ * if there is an error.

+ *

+ * @return boolean|string False if the user is identified, otherwise an

+ * error message, or null if not implemented.

+ */

+ public function init();

+

+ /**

+ * Performs login.

+ *

+ * @param string $username The name of the user being authenticated.

+ * @param string $password The password of the user.

+ * @return array An associative array of the format:

+ * array(

+ * 'status' => status constant

+ * 'error_msg' => string

+ * 'user_row' => array

+ * )

+ * A fourth key of the array may be present:

+ * 'redirect_data' This key is only used when 'status' is

+ * equal to LOGIN_SUCCESS_LINK_PROFILE and its value is an

+ * associative array that is turned into GET variables on

+ * the redirect url.

+ */

+ public function login($username, $password);

+

+ /**

+ * Autologin function

+ *

+ * @return array|null containing the user row, empty if no auto login

+ * should take place, or null if not impletmented.

+ */

+ public function autologin();

+

+ /**

+ * This function is used to output any required fields in the authentication

+ * admin panel. It also defines any required configuration table fields.

+ *

+ * @return array|null Returns null if not implemented or an array of the

+ * configuration fields of the provider.

+ */

+ public function acp();

+

+ /**

+ * This function updates the template with variables related to the acp

+ * options with whatever configuraton values are passed to it as an array.

+ * It then returns the name of the acp file related to this authentication

+ * provider.

+ * @param array $new_config Contains the new configuration values that

+ * have been set in acp_board.

+ * @return array|null Returns null if not implemented or an array with

+ * the template file name and an array of the vars

+ * that the template needs that must conform to the

+ * following example:

+ * array(

+ * 'TEMPLATE_FILE' => string,

+ * 'TEMPLATE_VARS' => array(...),

+ * )

+ * An optional third element may be added to this

+ * array: 'BLOCK_VAR_NAME'. If this is present,

+ * then its value should be a string that is used

+ * to designate the name of the loop used in the

+ * ACP template file. When this is present, an

+ * additional key named 'BLOCK_VARS' is required.

+ * This must be an array containing at least one

+ * array of variables that will be assigned during

+ * the loop in the template. An example of this is

+ * presented below:

+ * array(

+ * 'BLOCK_VAR_NAME' => string,

+ * 'BLOCK_VARS' => array(

+ * 'KEY IS UNIMPORTANT' => array(...),

+ * ),

+ * 'TEMPLATE_FILE' => string,

+ * 'TEMPLATE_VARS' => array(...),

+ * )

+ */

+ public function get_acp_template($new_config);

+

+ /**

+ * Returns an array of data necessary to build custom elements on the login

+ * form.

+ *

+ * @return array|null If this function is not implemented on an auth

+ * provider then it returns null. If it is implemented

+ * it will return an array of up to four elements of

+ * which only 'TEMPLATE_FILE'. If 'BLOCK_VAR_NAME' is

+ * present then 'BLOCK_VARS' must also be present in

+ * the array. The fourth element 'VARS' is also

+ * optional. The array, with all four elements present

+ * looks like the following:

+ * array(

+ * 'TEMPLATE_FILE' => string,

+ * 'BLOCK_VAR_NAME' => string,

+ * 'BLOCK_VARS' => array(...),

+ * 'VARS' => array(...),

+ * )

+ */

+ public function get_login_data();

+

+ /**

+ * Performs additional actions during logout.

+ *

+ * @param array $data An array corresponding to

+ * \phpbb\session::data

+ * @param boolean $new_session True for a new session, false for no new

+ * session.

+ */

+ public function logout($data, $new_session);

+

+ /**

+ * The session validation function checks whether the user is still logged

+ * into phpBB.

+ *

+ * @param array $user

+ * @return boolean true if the given user is authenticated, false if the

+ * session should be closed, or null if not implemented.

+ */

+ public function validate_session($user);

+

+ /**

+ * Checks to see if $login_link_data contains all information except for the

+ * user_id of an account needed to successfully link an external account to

+ * a forum account.

+ *

+ * @param array $login_link_data Any data needed to link a phpBB account to

+ * an external account.

+ * @return string|null Returns a string with a language constant if there

+ * is data missing or null if there is no error.

+ */

+ public function login_link_has_necessary_data($login_link_data);

+

+ /**

+ * Links an external account to a phpBB account.

+ *

+ * @param array $link_data Any data needed to link a phpBB account to

+ * an external account.

+ */

+ public function link_account(array $link_data);

+

+ /**

+ * Returns an array of data necessary to build the ucp_auth_link page

+ *

+ * @param int $user_id User ID for whom the data should be retrieved.

+ * defaults to 0, which is not a valid ID. The method

+ * should fall back to the current user's ID in this

+ * case.

+ * @return array|null If this function is not implemented on an auth

+ * provider then it returns null. If it is implemented

+ * it will return an array of up to four elements of

+ * which only 'TEMPLATE_FILE'. If 'BLOCK_VAR_NAME' is

+ * present then 'BLOCK_VARS' must also be present in

+ * the array. The fourth element 'VARS' is also

+ * optional. The array, with all four elements present

+ * looks like the following:

+ * array(

+ * 'TEMPLATE_FILE' => string,

+ * 'BLOCK_VAR_NAME' => string,

+ * 'BLOCK_VARS' => array(...),

+ * 'VARS' => array(...),

+ * )

+ */

+ public function get_auth_link_data($user_id = 0);

+

+ /**

+ * Unlinks an external account from a phpBB account.

+ *

+ * @param array $link_data Any data needed to unlink a phpBB account

+ * from a phpbb account.

+ */

+ public function unlink_account(array $link_data);

+}

+<?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;

+

+use Symfony\Component\DependencyInjection\ContainerInterface;

+

+/**

+* Collection of auth providers to be configured at container compile time.

+*/

+class provider_collection extends \phpbb\di\service_collection

+{

+ /** @var \phpbb\config\config phpBB Config */

+ protected $config;

+

+ /**

+ * Constructor

+ *

+ * @param ContainerInterface $container Container object

+ * @param \phpbb\config\config $config phpBB config

+ */

+ public function __construct(ContainerInterface $container, \phpbb\config\config $config)

+ {

+ $this->container = $container;

+ $this->config = $config;

+ }

+

+ /**

+ * Get an auth provider.

+ *

+ * @param string $provider_name The name of the auth provider

+ * @return object Default auth provider selected in config if it

+ * does exist. Otherwise the standard db auth

+ * provider.

+ * @throws \RuntimeException If neither the auth provider that

+ * is specified by the phpBB config nor the db

+ * auth provider exist. The db auth provider

+ * should always exist in a phpBB installation.

+ */

+ public function get_provider($provider_name = '')

+ {

+ $provider_name = ($provider_name !== '') ? $provider_name : basename(trim($this->config['auth_method']));

+ if ($this->offsetExists('auth.provider.' . $provider_name))

+ {

+ return $this->offsetGet('auth.provider.' . $provider_name);

+ }

+ // Revert to db auth provider if selected method does not exist

+ else if ($this->offsetExists('auth.provider.db'))

+ {

+ return $this->offsetGet('auth.provider.db');

+ }

+ else

+ {

+ throw new \RuntimeException(sprintf('The authentication provider for the authentication method "%1$s" does not exist. It was not possible to recover from this by reverting to the database authentication provider.', $this->config['auth_method']));

+ }

+ }

+}