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/phpbb/db/migration/data/v310/ -> passwords_convert_p1.php (source)

   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\db\migration\data\v310;
  15  
  16  class passwords_convert_p1 extends \phpbb\db\migration\migration
  17  {
  18  	static public function depends_on()
  19      {
  20          return array('\phpbb\db\migration\data\v310\passwords_p2');
  21      }
  22  
  23  	public function update_data()
  24      {
  25          return array(
  26              array('custom', array(array($this, 'update_passwords'))),
  27          );
  28      }
  29  
  30      /**
  31       * Update passwords with convert flag to have $CP$ prefix
  32       *
  33       * @param int $start Limit start value
  34       * @return int|void Null if conversion is finished, next start value if not
  35       */
  36  	public function update_passwords($start)
  37      {
  38          // Nothing to do if user_pass_convert column doesn't exist
  39          if (!$this->db_tools->sql_column_exists($this->table_prefix . 'users', 'user_pass_convert'))
  40          {
  41              return;
  42          }
  43  
  44          $start = (int) $start;
  45          $limit = 1000;
  46          $converted_users = 0;
  47  
  48          $sql = 'SELECT user_password, user_id
  49              FROM ' . $this->table_prefix . 'users
  50              WHERE user_pass_convert = 1
  51              ORDER BY user_id';
  52          $result = $this->db->sql_query_limit($sql, $limit, $start);
  53  
  54          $update_users = array();
  55          while ($row = $this->db->sql_fetchrow($result))
  56          {
  57              $converted_users++;
  58  
  59              $user_id = (int) $row['user_id'];
  60              // Prefix all passwords that need to be converted
  61              if (!isset($update_users[$user_id]))
  62              {
  63                  // Use $CP$ prefix for passwords that need to
  64                  // be converted and set pass convert to false.
  65                  $update_users[$user_id] = '$CP$' . $row['user_password'];
  66              }
  67          }
  68          $this->db->sql_freeresult($result);
  69  
  70          foreach ($update_users as $user_id => $user_password)
  71          {
  72              $sql = 'UPDATE ' . $this->table_prefix . "users
  73                  SET user_password = '" . $this->db->sql_escape($user_password) . "'
  74                  WHERE user_id = $user_id";
  75              $this->sql_query($sql);
  76          }
  77  
  78          if ($converted_users < $limit)
  79          {
  80              // There are no more users to be converted
  81              return;
  82          }
  83  
  84          // There are still more users to query, return the next start value
  85          return $start + $limit;
  86      }
  87  }


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