includes/dbal.php
author Dan
Wed, 21 Nov 2007 15:18:15 -0500
changeset 221 956263992d48
parent 218 e0ec986c0af3
child 222 acfdccf7a2bf
permissions -rw-r--r--
Re-add search_results hook and changed column type of search_index.word to varchar(64) in installer schema
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<?php
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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 * Version 1.0.2 (Coblynau)
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 * Copyright (C) 2006-2007 Dan Fuhry
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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function db_error_handler($errno, $errstr, $errfile = false, $errline = false, $errcontext = Array() )
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{
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  if ( !defined('ENANO_DEBUG') )
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    return;
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  $e = error_reporting(0);
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  error_reporting($e);
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  if ( $e < $errno )
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    return;
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  $errtype = 'Notice';
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  switch ( $errno )
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  {
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    case E_ERROR: case E_USER_ERROR: case E_CORE_ERROR: case E_COMPILE_ERROR: $errtype = 'Error'; break;
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    case E_WARNING: case E_USER_WARNING: case E_CORE_WARNING: case E_COMPILE_WARNING: $errtype = 'Warning'; break;
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  }
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  $debug = debug_backtrace();
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  $debug = $debug[2]['file'] . ', line ' . $debug[2]['line'];
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  echo "<b>$errtype:</b> $errstr<br />Error source:<pre>$debug</pre>";
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}
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class mysql {
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  var $num_queries, $query_backtrace, $latest_result, $latest_query, $_conn, $sql_stack_fields, $sql_stack_values;
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  var $row = array();
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	var $rowset = array();
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  var $errhandler;
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  function enable_errorhandler()
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  {
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    if ( function_exists('debug_backtrace') )
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    {
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      $this->errhandler = set_error_handler('db_error_handler');
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    }
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  }
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  function disable_errorhandler()
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  {
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    if ( $this->errhandler )
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    {
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      set_error_handler($this->errhandler);
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    }
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    else
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    {
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      restore_error_handler();
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    }
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  }
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  function sql_backtrace() {
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    $qb = explode("\n", $this->query_backtrace);
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    $bt = '';
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    //for($i=sizeof($qb)-1;$i>=0;$i--) {
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    for($i=0;$i<sizeof($qb);$i++) {
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      $bt .= $qb[$i]."\n";
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    }
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    return $bt;
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  }
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  function ensure_connection()
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  {
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    if(!$this->_conn)
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    {
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      $this->connect();
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    }
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  }
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  function _die($t = '') {
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    if(defined('ENANO_HEADERS_SENT')) {
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      ob_clean();
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    }
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    header('HTTP/1.1 500 Internal Server Error');
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    $bt = $this->latest_query; // $this->sql_backtrace();
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    $e = htmlspecialchars(mysql_error());
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    if($e=='') $e='&lt;none&gt;';
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    $t = ( !empty($t) ) ? $t : '&lt;No error description provided&gt;';
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    global $email;
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    $email_info = ( defined('ENANO_CONFIG_FETCHED') && is_object($email) ) ? ', at &lt;' . $email->jscode() . $email->encryptEmail(getConfig('contact_email')) . '&gt;' : '';
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    $internal_text = '<h3>The site was unable to finish serving your request.</h3>
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                      <p>We apologize for the inconveience, but an error occurred in the Enano database layer. Please report the full text of this page to the administrator of this site' . $email_info . '.</p>
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                      <p>Description or location of error: '.$t.'<br />
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                      Error returned by MySQL extension: ' . $e . '<br />
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                      Most recent SQL query:</p>
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                      <pre>'.$bt.'</pre>';
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    if(defined('ENANO_CONFIG_FETCHED')) die_semicritical('Database error', $internal_text);
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    else                                   grinding_halt('Database error', $internal_text);
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    exit;
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  }
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  function die_json()
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  {
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    $e = addslashes(htmlspecialchars(mysql_error()));
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    $q = addslashes($this->latest_query);
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    $t = "{'mode':'error','error':'An error occurred during database query.\nQuery was:\n  $q\n\nError returned by MySQL: $e'}";
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    die($t);
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  }
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  function get_error($t = '') {
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    header('HTTP/1.1 500 Internal Server Error');
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    $bt = $this->sql_backtrace();
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    $e = htmlspecialchars(mysql_error());
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    if($e=='') $e='&lt;none&gt;';
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    global $email;
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    $email_info = ( defined('ENANO_CONFIG_FETCHED') && is_object($email) ) ? ', at &lt;' . $email->jscode() . $email->encryptEmail(getConfig('contact_email')) . '&gt;' : '';
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    $internal_text = '<h3>The site was unable to finish serving your request.</h3>
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                      <p>We apologize for the inconveience, but an error occurred in the Enano database layer. Please report the full text of this page to the administrator of this site' . $email_info . '.</p>
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                      <p>Description or location of error: '.$t.'<br />
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                      Error returned by MySQL extension: ' . $e . '<br />
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                      Most recent SQL query:</p>
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                      <pre>'.$bt.'</pre>';
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    return $internal_text;
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  }
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  function connect()
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  {
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    $this->enable_errorhandler();
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    dc_here('dbal: trying to connect....');
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    if ( defined('IN_ENANO_INSTALL') )
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    {
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      @include(ENANO_ROOT.'/config.new.php');
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    }
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    else
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    {
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      @include(ENANO_ROOT.'/config.php');
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    }
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    if ( isset($crypto_key) )
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      unset($crypto_key); // Get this sucker out of memory fast
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    if ( !defined('ENANO_INSTALLED') && !defined('MIDGET_INSTALLED') && !defined('IN_ENANO_INSTALL') )
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    {
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      dc_here('dbal: oops, looks like Enano isn\'t set up. Constants ENANO_INSTALLED, MIDGET_INSTALLED, and IN_ENANO_INSTALL are all undefined.');
218
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      // scriptPath isn't set yet - we need to autodetect it to avoid infinite redirects
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      if ( !defined('scriptPath') )
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      {
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        if ( isset($_SERVER['PATH_INFO']) )
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        {
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          $_SERVER['REQUEST_URI'] = preg_replace(';' . preg_quote($_SERVER['PATH_INFO']) . '$;', '', $_SERVER['REQUEST_URI']);
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        }
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        $sp = dirname($_SERVER['REQUEST_URI']);
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        if($sp == '/' || $sp == '\\') $sp = '';
e0ec986c0af3 Searching sucks, and Enano's search algorithm was complete bullcrap. So I rewrote it. No, it does not use Google search technology. Like they have a patent for using the Arial font on search result pages anyway.
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        define('scriptPath', $sp);
e0ec986c0af3 Searching sucks, and Enano's search algorithm was complete bullcrap. So I rewrote it. No, it does not use Google search technology. Like they have a patent for using the Arial font on search result pages anyway.
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        define('contentPath', "$sp/index.php?title=");
e0ec986c0af3 Searching sucks, and Enano's search algorithm was complete bullcrap. So I rewrote it. No, it does not use Google search technology. Like they have a patent for using the Arial font on search result pages anyway.
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      }
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      $loc = scriptPath . '/install.php';
e0ec986c0af3 Searching sucks, and Enano's search algorithm was complete bullcrap. So I rewrote it. No, it does not use Google search technology. Like they have a patent for using the Arial font on search result pages anyway.
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      // header("Location: $loc");
e0ec986c0af3 Searching sucks, and Enano's search algorithm was complete bullcrap. So I rewrote it. No, it does not use Google search technology. Like they have a patent for using the Arial font on search result pages anyway.
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      redirect($loc, 'Enano not installed', 'We can\'t seem to find an Enano installation (valid config file). You will be transferred to the installation wizard momentarily...', 3);
1
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      exit;
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    }
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    $this->_conn = @mysql_connect($dbhost, $dbuser, $dbpasswd);
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    unset($dbuser);
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    unset($dbpasswd); // Security
215
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    if ( !$this->_conn )
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    {
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      dc_here('dbal: uhoh!<br />'.mysql_error());
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      grinding_halt('Enano is having a problem', '<p>Error: couldn\'t connect to MySQL.<br />'.mysql_error().'</p>');
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    }
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    // Reset some variables
1
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    $this->query_backtrace = '';
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    $this->num_queries = 0;
215
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1
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    dc_here('dbal: we\'re in, selecting database...');
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acb9d021b860 Database name can now contain dashes (as per requested at http://forum.enanocms.org/viewtopic.php?f=5&t=14); corrected some installer behavior issues with connecting as root and setting up permissions resulting in logs not being flushed, configs not being inserted, and what have you.
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    $q = $this->sql_query('USE `'.$dbname.'`;');
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    if ( !$q )
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      $this->_die('The database could not be selected.');
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    // We're in!
1
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    dc_here('dbal: connected to MySQL');
215
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1
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    $this->disable_errorhandler();
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    return true;
1
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  }
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215
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  function sql_query($q)
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  {
1
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    $this->enable_errorhandler();
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    $this->num_queries++;
215
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    $this->query_backtrace .= $q . "\n";
1
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    $this->latest_query = $q;
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    dc_here('dbal: making SQL query:<br /><tt>'.$q.'</tt>');
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    // First make sure we have a connection
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    if ( !$this->_conn )
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    {
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      $this->_die('A database connection has not yet been established.');
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    }
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    // Does this query look malicious?
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    if ( !$this->check_query($q) )
1
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    {
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      $this->report_query($q);
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      grinding_halt('SQL Injection attempt', '<p>Enano has caught and prevented an SQL injection attempt. Your IP address has been recorded and the administrator has been notified.</p><p>Query was:</p><pre>'.htmlspecialchars($q).'</pre>');
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    }
215
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1
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    $r = mysql_query($q, $this->_conn);
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    $this->latest_result = $r;
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    $this->disable_errorhandler();
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    return $r;
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  }
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215
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  function sql_unbuffered_query($q)
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  {
1
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    $this->enable_errorhandler();
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    $this->num_queries++;
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    $this->query_backtrace .= '(UNBUFFERED) ' . $q."\n";
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    $this->latest_query = $q;
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    dc_here('dbal: making SQL query:<br /><tt>'.$q.'</tt>');
215
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    // First make sure we have a connection
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    if ( !$this->_conn )
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    {
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      $this->_die('A database connection has not yet been established.');
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    }
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    // Does this query look malicious?
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    if ( !$this->check_query($q) )
1
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    {
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      $this->report_query($q);
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      grinding_halt('SQL Injection attempt', '<p>Enano has caught and prevented an SQL injection attempt. Your IP address has been recorded and the administrator has been notified.</p><p>Query was:</p><pre>'.htmlspecialchars($q).'</pre>');
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    }
215
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1
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    $r = mysql_unbuffered_query($q, $this->_conn);
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    $this->latest_result = $r;
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    $this->disable_errorhandler();
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    return $r;
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  }
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  /**
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   * Checks a SQL query for possible signs of injection attempts
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   * @param string $q the query to check
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   * @return bool true if query passed check, otherwise false
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   */
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  function check_query($q, $debug = false)
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  {
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    if($debug) echo "\$db-&gt;check_query(): checking query: ".htmlspecialchars($q).'<br />'."\n";
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    $sz = strlen($q);
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    $quotechar = false;
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    $quotepos  = 0;
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    $prev_is_quote = false;
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    $just_started = false;
128
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    for ( $i = 0; $i < strlen($q); $i++, $c = substr($q, $i, 1) )
1
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    {
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      $next = substr($q, $i+1, 1);
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      $next2 = substr($q, $i+2, 1);
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      $prev = substr($q, $i-1, 1);
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      $prev2 = substr($q, $i-2, 1);
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      if(isset($c) && in_array($c, Array('"', "'", '`')))
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      {
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        if($quotechar)
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        {
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          if (
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              ( $quotechar == $c && $quotechar != $next && ( $quotechar != $prev || $just_started ) && $prev != '\\') ||
1
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              ( $prev2 == '\\' && $prev == $quotechar && $quotechar == $c )
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            )
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          {
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            $quotechar = false;
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            if($debug) echo('$db-&gt;check_query(): just finishing a quote section, quoted string: '.htmlspecialchars(substr($q, $quotepos, $i - $quotepos + 1)) . '<br />');
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            $q = substr($q, 0, $quotepos) . 'SAFE_QUOTE' . substr($q, $i + 1, strlen($q));
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            if($debug) echo('$db-&gt;check_query(): Filtered query: '.$q.'<br />');
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parents:
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            $i = $quotepos;
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parents:
diff changeset
   273
          }
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parents:
diff changeset
   274
        }
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parents:
diff changeset
   275
        else
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parents:
diff changeset
   276
        {
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parents:
diff changeset
   277
          $quotechar = $c;
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parents:
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          $quotepos  = $i;
128
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parents: 91
diff changeset
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          $just_started = true;
1
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parents:
diff changeset
   280
        }
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   281
        if($debug) echo '$db-&gt;check_query(): found quote char as pos: '.$i.'<br />';
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   282
        continue;
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parents:
diff changeset
   283
      }
128
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
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diff changeset
   284
      $just_started = false;
1
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parents:
diff changeset
   285
    }
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parents:
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   286
    if(substr(trim($q), strlen(trim($q))-1, 1) == ';') $q = substr(trim($q), 0, strlen(trim($q))-1);
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    for($i=0;$i<strlen($q);$i++,$c=substr($q, $i, 1))
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parents:
diff changeset
   288
    {
128
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
Dan
parents: 91
diff changeset
   289
      if ( 
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
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diff changeset
   290
           ( ( $c == ';' && $i != $sz-1 ) || $c . substr($q, $i+1, 1) == '--' )
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
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parents: 91
diff changeset
   291
        || ( in_array($c, Array('"', "'", '`')) )
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
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parents: 91
diff changeset
   292
         ) // Don't permit semicolons in mid-query, and never allow comments
1
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parents:
diff changeset
   293
      {
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parents:
diff changeset
   294
        // Injection attempt!
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parents:
diff changeset
   295
        if($debug)
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parents:
diff changeset
   296
        {
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parents:
diff changeset
   297
          $e = '';
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parents:
diff changeset
   298
          for($j=$i-5;$j<$i+5;$j++)
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parents:
diff changeset
   299
          {
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diff changeset
   300
            if($j == $i) $e .= '<span style="color: red; text-decoration: underline;">' . $c . '</span>';
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parents:
diff changeset
   301
            else $e .= $c;
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diff changeset
   302
          }
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          echo 'Injection attempt caught at pos: '.$i.'<br />';
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diff changeset
   304
        }
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parents:
diff changeset
   305
        return false;
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parents:
diff changeset
   306
      }
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parents:
diff changeset
   307
    }
128
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
Dan
parents: 91
diff changeset
   308
    if ( preg_match('/[\s]+(SAFE_QUOTE|[\S]+)=\\1($|[\s]+)/', $q, $match) )
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
Dan
parents: 91
diff changeset
   309
    {
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
Dan
parents: 91
diff changeset
   310
      if ( $debug ) echo 'Found always-true test in query, injection attempt caught, match:<br />' . '<pre>' . print_r($match, true) . '</pre>';
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
Dan
parents: 91
diff changeset
   311
      return false;
01955bf53f96 Improved ban control page and allowed multiple entries/IP ranges; changed some parameters on jBox; user level changes are logged now
Dan
parents: 91
diff changeset
   312
    }
1
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parents:
diff changeset
   313
    return true;
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parents:
diff changeset
   314
  }
fe660c52c48f Adding /includes
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parents:
diff changeset
   315
  
fe660c52c48f Adding /includes
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parents:
diff changeset
   316
  /**
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parents:
diff changeset
   317
   * Set the internal result pointer to X
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parents:
diff changeset
   318
   * @param int $pos The number of the row
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parents:
diff changeset
   319
   * @param resource $result The MySQL result resource - if not given, the latest cached query is assumed
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parents:
diff changeset
   320
   * @return true on success, false on failure
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parents:
diff changeset
   321
   */
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parents:
diff changeset
   322
   
fe660c52c48f Adding /includes
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parents:
diff changeset
   323
  function sql_data_seek($pos, $result = false)
fe660c52c48f Adding /includes
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parents:
diff changeset
   324
  {
fe660c52c48f Adding /includes
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parents:
diff changeset
   325
    $this->enable_errorhandler();
fe660c52c48f Adding /includes
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parents:
diff changeset
   326
    if(!$result)
fe660c52c48f Adding /includes
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parents:
diff changeset
   327
      $result = $this->latest_result;
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parents:
diff changeset
   328
    if(!$result)
fe660c52c48f Adding /includes
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parents:
diff changeset
   329
    {
fe660c52c48f Adding /includes
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parents:
diff changeset
   330
      $this->disable_errorhandler();
fe660c52c48f Adding /includes
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parents:
diff changeset
   331
      return false;
fe660c52c48f Adding /includes
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parents:
diff changeset
   332
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   333
    if(mysql_data_seek($result, $pos))
fe660c52c48f Adding /includes
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parents:
diff changeset
   334
    {
fe660c52c48f Adding /includes
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parents:
diff changeset
   335
      $this->disable_errorhandler();
fe660c52c48f Adding /includes
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parents:
diff changeset
   336
      return true;
fe660c52c48f Adding /includes
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parents:
diff changeset
   337
    }
fe660c52c48f Adding /includes
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parents:
diff changeset
   338
    else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   339
    {
fe660c52c48f Adding /includes
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parents:
diff changeset
   340
      $this->disable_errorhandler();
fe660c52c48f Adding /includes
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parents:
diff changeset
   341
      return false;
fe660c52c48f Adding /includes
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parents:
diff changeset
   342
    }
fe660c52c48f Adding /includes
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parents:
diff changeset
   343
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   344
  
fe660c52c48f Adding /includes
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parents:
diff changeset
   345
  /**
fe660c52c48f Adding /includes
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parents:
diff changeset
   346
   * Reports a bad query to the admin
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parents:
diff changeset
   347
   * @param string $query the naughty query
fe660c52c48f Adding /includes
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parents:
diff changeset
   348
   * @access private
fe660c52c48f Adding /includes
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parents:
diff changeset
   349
   */
fe660c52c48f Adding /includes
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parents:
diff changeset
   350
   
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   351
  function report_query($query)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   352
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   353
    global $session;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   354
    if(is_object($session) && defined('ENANO_MAINSTREAM'))
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   355
      $username = $session->username;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   356
    else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   357
      $username = 'Unavailable';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   358
    $query = $this->escape($query);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   359
    $q = $this->sql_query('INSERT INTO '.table_prefix.'logs(log_type,     action,         time_id,    date_string, page_text,      author,            edit_summary)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   360
                                                     VALUES(\'security\', \'sql_inject\', '.time().', \'\',        \''.$query.'\', \''.$username.'\', \''.$_SERVER['REMOTE_ADDR'].'\');');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   361
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   362
  
73
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   363
  /**
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   364
   * Returns the ID of the row last inserted.
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   365
   * @return int
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   366
   */
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   367
  
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   368
  function insert_id()
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   369
  {
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   370
    return @mysql_insert_id();
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   371
  }
0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
Dan
parents: 21
diff changeset
   372
  
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   373
  function fetchrow($r = false) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   374
    $this->enable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   375
    if(!$this->_conn) return false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   376
    if(!$r) $r = $this->latest_result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   377
    if(!$r) $this->_die('$db->fetchrow(): an invalid MySQL resource was passed.');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   378
    $row = mysql_fetch_assoc($r);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   379
    $this->disable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   380
    return $row;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   381
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   382
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   383
  function fetchrow_num($r = false) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   384
    $this->enable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   385
    if(!$r) $r = $this->latest_result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   386
    if(!$r) $this->_die('$db->fetchrow(): an invalid MySQL resource was passed.');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   387
    $row = mysql_fetch_row($r);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   388
    $this->disable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   389
    return $row;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   390
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   391
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   392
  function numrows($r = false) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   393
    $this->enable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   394
    if(!$r) $r = $this->latest_result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   395
    if(!$r) $this->_die('$db->fetchrow(): an invalid MySQL resource was passed.');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   396
    $n = mysql_num_rows($r);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   397
    $this->disable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   398
    return $n;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   399
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   400
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   401
  function escape($str)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   402
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   403
    $this->enable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   404
    $str = mysql_real_escape_string($str);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   405
    $this->disable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   406
    return $str;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   407
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   408
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   409
  function free_result($result = false)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   410
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   411
    $this->enable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   412
    if(!$result)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   413
      $result = $this->latest_result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   414
    if(!$result)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   415
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   416
      $this->disable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   417
      return null;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   418
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   419
    mysql_free_result($result);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   420
    $this->disable_errorhandler();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   421
    return null;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   422
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   423
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   424
  function close() {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   425
    dc_here('dbal: closing MySQL connection');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   426
    mysql_close($this->_conn);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   427
    unset($this->_conn);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   428
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   429
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   430
  // phpBB DBAL compatibility
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   431
  function sql_fetchrow($r = false)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   432
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   433
    return $this->fetchrow($r);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   434
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   435
  function sql_freeresult($r = false)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   436
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   437
    if(!$this->_conn) return false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   438
    if(!$r) $r = $this->latest_result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   439
    if(!$r) $this->_die('$db->fetchrow(): an invalid MySQL resource was passed.');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   440
    mysql_free_result($r);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   441
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   442
  function sql_numrows($r = false)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   443
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   444
    if(!$this->_conn) return false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   445
    if(!$r) $r = $this->latest_result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   446
    if(!$r) $this->_die('$db->fetchrow(): an invalid MySQL resource was passed.');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   447
    return mysql_num_rows($r);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   448
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   449
  function sql_affectedrows($r = false, $f, $n)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   450
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   451
    if(!$this->_conn) return false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   452
    if(!$r) $r = $this->latest_result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   453
    if(!$r) $this->_die('$db->fetchrow(): an invalid MySQL resource was passed.');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   454
    return mysql_affected_rows();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   455
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   456
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   457
  function sql_type_cast(&$value)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   458
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   459
		if ( is_float($value) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   460
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   461
			return doubleval($value);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   462
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   463
		if ( is_integer($value) || is_bool($value) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   464
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   465
			return intval($value);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   466
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   467
		if ( is_string($value) || empty($value) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   468
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   469
			return '\'' . $this->sql_escape_string($value) . '\'';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   470
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   471
		// uncastable var : let's do a basic protection on it to prevent sql injection attempt
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   472
		return '\'' . $this->sql_escape_string(htmlspecialchars($value)) . '\'';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   473
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   474
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   475
	function sql_statement(&$fields, $fields_inc='')
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   476
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   477
		// init result
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   478
		$this->sql_fields = $this->sql_values = $this->sql_update = '';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   479
		if ( empty($fields) && empty($fields_inc) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   480
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   481
			return;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   482
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   483
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   484
		// process
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   485
		if ( !empty($fields) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   486
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   487
			$first = true;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   488
			foreach ( $fields as $field => $value )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   489
			{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   490
				// field must contain a field name
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   491
				if ( !empty($field) && is_string($field) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   492
				{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   493
					$value = $this->sql_type_cast($value);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   494
					$this->sql_fields .= ( $first ? '' : ', ' ) . $field;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   495
					$this->sql_values .= ( $first ? '' : ', ' ) . $value;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   496
					$this->sql_update .= ( $first ? '' : ', ' ) . $field . ' = ' . $value;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   497
					$first = false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   498
				}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   499
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   500
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   501
		if ( !empty($fields_inc) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   502
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   503
			foreach ( $fields_inc as $field => $indent )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   504
			{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   505
				if ( $indent != 0 )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   506
				{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   507
					$this->sql_update .= (empty($this->sql_update) ? '' : ', ') . $field . ' = ' . $field . ($indent < 0 ? ' - ' : ' + ') . abs($indent);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   508
				}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   509
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   510
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   511
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   512
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   513
	function sql_stack_reset($id='')
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   514
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   515
		if ( empty($id) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   516
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   517
			$this->sql_stack_fields = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   518
			$this->sql_stack_values = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   519
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   520
		else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   521
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   522
			$this->sql_stack_fields[$id] = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   523
			$this->sql_stack_values[$id] = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   524
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   525
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   526
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   527
	function sql_stack_statement(&$fields, $id='')
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   528
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   529
		$this->sql_statement($fields);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   530
		if ( empty($id) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   531
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   532
			$this->sql_stack_fields = $this->sql_fields;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   533
			$this->sql_stack_values[] = '(' . $this->sql_values . ')';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   534
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   535
		else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   536
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   537
			$this->sql_stack_fields[$id] = $this->sql_fields;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   538
			$this->sql_stack_values[$id][] = '(' . $this->sql_values . ')';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   539
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   540
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   541
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   542
	function sql_stack_insert($table, $transaction=false, $line='', $file='', $break_on_error=true, $id='')
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   543
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   544
		if ( (empty($id) && empty($this->sql_stack_values)) || (!empty($id) && empty($this->sql_stack_values[$id])) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   545
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   546
			return false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   547
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   548
		switch( SQL_LAYER )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   549
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   550
			case 'mysql':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   551
			case 'mysql4':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   552
				if ( empty($id) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   553
				{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   554
					$sql = 'INSERT INTO ' . $table . '
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   555
								(' . $this->sql_stack_fields . ') VALUES ' . implode(",\n", $this->sql_stack_values);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   556
				}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   557
				else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   558
				{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   559
					$sql = 'INSERT INTO ' . $table . '
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   560
								(' . $this->sql_stack_fields[$id] . ') VALUES ' . implode(",\n", $this->sql_stack_values[$id]);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   561
				}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   562
				$this->sql_stack_reset($id);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   563
				return $this->sql_query($sql, $transaction, $line, $file, $break_on_error);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   564
				break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   565
			default:
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   566
				$count_sql_stack_values = empty($id) ? count($this->sql_stack_values) : count($this->sql_stack_values[$id]);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   567
				$result = !empty($count_sql_stack_values);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   568
				for ( $i = 0; $i < $count_sql_stack_values; $i++ )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   569
				{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   570
					if ( empty($id) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   571
					{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   572
						$sql = 'INSERT INTO ' . $table . '
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   573
									(' . $this->sql_stack_fields . ') VALUES ' . $this->sql_stack_values[$i];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   574
					}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   575
					else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   576
					{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   577
						$sql = 'INSERT INTO ' . $table . '
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   578
									(' . $this->sql_stack_fields[$id] . ') VALUES ' . $this->sql_stack_values[$id][$i];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   579
					}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   580
					$result &= $this->sql_query($sql, $transaction, $line, $file, $break_on_error);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   581
				}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   582
				$this->sql_stack_reset($id);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   583
				return $result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   584
				break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   585
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   586
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   587
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   588
	function sql_subquery($field, $sql, $line='', $file='', $break_on_error=true, $type=TYPE_INT)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   589
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   590
		// sub-queries doable
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   591
		$this->sql_get_version();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   592
		if ( !in_array(SQL_LAYER, array('mysql', 'mysql4')) || (($this->sql_version[0] + ($this->sql_version[1] / 100)) >= 4.01) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   593
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   594
			return $sql;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   595
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   596
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   597
		// no sub-queries
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   598
		$ids = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   599
		$result = $this->sql_query(trim($sql), false, $line, $file, $break_on_error);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   600
		while ( $row = $this->sql_fetchrow($result) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   601
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   602
			$ids[] = $type == TYPE_INT ? intval($row[$field]) : '\'' . $this->sql_escape_string($row[$field]) . '\'';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   603
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   604
		$this->sql_freeresult($result);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   605
		return empty($ids) ? 'NULL' : implode(', ', $ids);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   606
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   607
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   608
	function sql_col_id($expr, $alias)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   609
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   610
		$this->sql_get_version();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   611
		return in_array(SQL_LAYER, array('mysql', 'mysql4')) && (($this->sql_version[0] + ($this->sql_version[1] / 100)) <= 4.01) ? $alias : $expr;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   612
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   613
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   614
	function sql_get_version()
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   615
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   616
		if ( empty($this->sql_version) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   617
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   618
			$this->sql_version = array(0, 0, 0);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   619
			switch ( SQL_LAYER )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   620
			{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   621
				case 'mysql':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   622
				case 'mysql4':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   623
					if ( function_exists('mysql_get_server_info') )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   624
					{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   625
						$lo_version = explode('-', mysql_get_server_info());
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   626
						$this->sql_version = explode('.', $lo_version[0]);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   627
						$this->sql_version = array(intval($this->sql_version[0]), intval($this->sql_version[1]), intval($this->sql_version[2]), $lo_version[1]);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   628
					}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   629
					break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   630
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   631
				case 'postgresql':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   632
				case 'mssql':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   633
				case 'mssql-odbc':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   634
				default:
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   635
					break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   636
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   637
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   638
		return $this->sql_version;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   639
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   640
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   641
	function sql_error()
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   642
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   643
		if ( $this->_conn )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   644
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   645
			return mysql_error();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   646
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   647
		else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   648
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   649
			return array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   650
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   651
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   652
  function sql_escape_string($t) 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   653
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   654
    return mysql_real_escape_string($t);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   655
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   656
  function sql_close()
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   657
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   658
    $this->close();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   659
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   660
  function sql_fetchrowset($query_id = 0)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   661
	{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   662
		if( !$query_id )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   663
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   664
			$query_id = $this->query_result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   665
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   666
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   667
		if( $query_id )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   668
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   669
			unset($this->rowset[$query_id]);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   670
			unset($this->row[$query_id]);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   671
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   672
			while($this->rowset[$query_id] = mysql_fetch_array($query_id, MYSQL_ASSOC))
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   673
			{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   674
				$result[] = $this->rowset[$query_id];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   675
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   676
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   677
			return $result;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   678
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   679
		else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   680
		{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   681
			return false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   682
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   683
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   684
}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   685
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   686
?>