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<?php | |
/** | |
* | |
* This file is part of the phpBB Forum Software package. | |
* | |
* @copyright (c) phpBB Limited <https://www.phpbb.com> | |
* @license GNU General Public License, version 2 (GPL-2.0) | |
* | |
* For full copyright and license information, please see | |
* the docs/CREDITS.txt file. | |
* | |
*/ | |
namespace phpbb\db\migration\data\v310; | |
class passwords_convert_p1 extends \phpbb\db\migration\migration | |
{ | |
static public function depends_on() | |
{ | |
return array('\phpbb\db\migration\data\v310\passwords_p2'); | |
} | |
public function update_data() | |
{ | |
return array( | |
array('custom', array(array($this, 'update_passwords'))), | |
); | |
} | |
/** | |
* Update passwords with convert flag to have $CP$ prefix | |
* | |
* @param int $start Limit start value | |
* @return int|void Null if conversion is finished, next start value if not | |
*/ | |
public function update_passwords($start) | |
{ | |
// Nothing to do if user_pass_convert column doesn't exist | |
if (!$this->db_tools->sql_column_exists($this->table_prefix . 'users', 'user_pass_convert')) | |
{ | |
return; | |
} | |
$start = (int) $start; | |
$limit = 1000; | |
$converted_users = 0; | |
$sql = 'SELECT user_password, user_id | |
FROM ' . $this->table_prefix . 'users | |
WHERE user_pass_convert = 1 | |
ORDER BY user_id'; | |
$result = $this->db->sql_query_limit($sql, $limit, $start); | |
$update_users = array(); | |
while ($row = $this->db->sql_fetchrow($result)) | |
{ | |
$converted_users++; | |
$user_id = (int) $row['user_id']; | |
// Prefix all passwords that need to be converted | |
if (!isset($update_users[$user_id])) | |
{ | |
// Use $CP$ prefix for passwords that need to | |
// be converted and set pass convert to false. | |
$update_users[$user_id] = '$CP$' . $row['user_password']; | |
} | |
} | |
$this->db->sql_freeresult($result); | |
foreach ($update_users as $user_id => $user_password) | |
{ | |
$sql = 'UPDATE ' . $this->table_prefix . "users | |
SET user_password = '" . $this->db->sql_escape($user_password) . "' | |
WHERE user_id = $user_id"; | |
$this->sql_query($sql); | |
} | |
if ($converted_users < $limit) | |
{ | |
// There are no more users to be converted | |
return; | |
} | |
// There are still more users to query, return the next start value | |
return $start + $limit; | |
} | |
} |