ldi_check.php3

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5
   6 /**
   7  * This file checks and builds the sql-string for
   8  * LOAD DATA INFILE 'file_name.txt' [REPLACE | IGNORE] INTO TABLE table_name
   9  *    [FIELDS
  10  *        [TERMINATED BY '\t']
  11  *        [OPTIONALLY] ENCLOSED BY "]
  12  *        [ESCAPED BY '\\' ]]
  13  *    [LINES TERMINATED BY '\n']
  14  *    [(column_name,...)]
  15  */
  16
  17
  18 /**
  19  * Gets some core scripts
  20  */
  21 require('./libraries/grab_globals.lib.php3');
  22 require('./libraries/common.lib.php3');
  23
  24 // Check parameters
  25
  26 PMA_checkParameters(array('db', 'table'));
  27
  28 /**
  29  * If a file from UploadDir was submitted, use this file
  30  */
  31 $unlink_local_textfile = false;
  32 if (isset($btnLDI) && isset($local_textfile) && $local_textfile != '') {
  33     if (empty($DOCUMENT_ROOT)) {
  34         if (!empty($_SERVER) && isset($_SERVER['DOCUMENT_ROOT'])) {
  35             $DOCUMENT_ROOT = $_SERVER['DOCUMENT_ROOT'];
  36         }
  37         else if (!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['DOCUMENT_ROOT'])) {
  38             $DOCUMENT_ROOT = $HTTP_SERVER_VARS['DOCUMENT_ROOT'];
  39         }
  40         else if (!empty($_ENV) && isset($_ENV['DOCUMENT_ROOT'])) {
  41             $DOCUMENT_ROOT = $_ENV['DOCUMENT_ROOT'];
  42         }
  43         else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['DOCUMENT_ROOT'])) {
  44             $DOCUMENT_ROOT = $HTTP_ENV_VARS['DOCUMENT_ROOT'];
  45         }
  46         else if (@getenv('DOCUMENT_ROOT')) {
  47             $DOCUMENT_ROOT = getenv('DOCUMENT_ROOT');
  48         }
  49         else {
  50             $DOCUMENT_ROOT = '.';
  51         }
  52     } // end if
  53
  54     $textfile = $DOCUMENT_ROOT . dirname($PHP_SELF) . '/' . eregi_replace('^./', '', $cfg['UploadDir']) . eregi_replace('\.\.*', '.', $local_textfile);
  55     if (file_exists($textfile)) {
  56         $open_basedir     = '';
  57         if (PMA_PHP_INT_VERSION >= 40000) {
  58             $open_basedir = @ini_get('open_basedir');
  59         }
  60         if (empty($open_basedir)) {
  61             $open_basedir = @get_cfg_var('open_basedir');
  62         }
  63
  64         // If we are on a server with open_basedir, we must move the file
  65         // before opening it. The doc explains how to create the "./tmp"
  66         // directory
  67
  68         if (!empty($open_basedir)) {
  69
  70             $tmp_subdir = (PMA_IS_WINDOWS ? '.\\tmp\\' : './tmp/');
  71
  72             // function is_writeable() is valid on PHP3 and 4
  73             if (!is_writeable($tmp_subdir)) {
  74                 echo $strWebServerUploadDirectoryError . ': ' . $tmp_subdir
  75                  . '<br />';
  76                 exit();
  77             } else {
  78                 $textfile_new = $tmp_subdir . basename($textfile);
  79                 if (PMA_PHP_INT_VERSION < 40003) {
  80                     copy($textfile, $textfile_new);
  81                 } else {
  82                     move_uploaded_file($textfile, $textfile_new);
  83                 }
  84                 $textfile = $textfile_new;
  85                 $unlink_local_textfile = true;
  86             }
  87         }
  88     }
  89 }
  90
  91 /**
  92  * The form used to define the query has been submitted -> do the work
  93  */
  94 if (isset($btnLDI) && empty($textfile)) {
  95     $js_to_run = 'functions.js';
  96     include('./header.inc.php3');
  97     $message = $strMustSelectFile;
  98     include('./ldi_table.php3');
  99 } elseif (isset($btnLDI) && ($textfile != 'none')) {
 100     if (!isset($replace)) {
 101         $replace = '';
 102     }
 103
 104     // the error message does not correspond exactly to the error...
 105     if (!@chmod($textfile, 0644)) {
 106        echo $strFileCouldNotBeRead . ' ' . $textfile . '<br />';
 107        exit();
 108     }
 109
 110     // Kanji encoding convert appended by Y.Kawada
 111     if (function_exists('PMA_kanji_file_conv')) {
 112         $textfile         = PMA_kanji_file_conv($textfile, $knjenc, isset($xkana) ? $xkana : '');
 113     }
 114
 115     // Convert the file's charset if necessary
 116     if ($cfg['AllowAnywhereRecoding'] && $allow_recoding
 117         && isset($charset_of_file) && $charset_of_file != $charset) {
 118         $textfile         = PMA_convert_file($charset_of_file, $convcharset, $textfile);
 119     }
 120
 121     // Formats the data posted to this script
 122     $textfile             = PMA_sqlAddslashes($textfile);
 123     $enclosed             = PMA_sqlAddslashes($enclosed);
 124     $escaped              = PMA_sqlAddslashes($escaped);
 125     $column_name          = PMA_sqlAddslashes($column_name);
 126
 127     // (try to) make sure the file is readable:
 128     chmod($textfile, 0777);
 129
 130     // Builds the query
 131     $sql_query     =  'LOAD DATA';
 132
 133     if ($local_option == "1") {
 134         $sql_query     .= ' LOCAL';
 135     }
 136
 137     $sql_query     .= ' INFILE \'' . $textfile . '\'';
 138     if (!empty($replace)) {
 139         $sql_query .= ' ' . $replace;
 140     }
 141     $sql_query     .= ' INTO TABLE ' . PMA_backquote($into_table);
 142     if (isset($field_terminater)) {
 143         $sql_query .= ' FIELDS TERMINATED BY \'' . $field_terminater . '\'';
 144     }
 145     if (isset($enclose_option) && strlen($enclose_option) > 0) {
 146         $sql_query .= ' OPTIONALLY';
 147     }
 148     if (strlen($enclosed) > 0) {
 149         $sql_query .= ' ENCLOSED BY \'' . $enclosed . '\'';
 150     }
 151     if (strlen($escaped) > 0) {
 152         $sql_query .= ' ESCAPED BY \'' . $escaped . '\'';
 153     }
 154     if (strlen($line_terminator) > 0){
 155         $sql_query .= ' LINES TERMINATED BY \'' . $line_terminator . '\'';
 156     }
 157     if (strlen($column_name) > 0) {
 158         if (PMA_MYSQL_INT_VERSION >= 32306) {
 159             $sql_query .= ' (';
 160             $tmp   = split(',( ?)', $column_name);
 161             for ($i = 0; $i < count($tmp); $i++) {
 162                 if ($i > 0) {
 163                     $sql_query .= ', ';
 164                 }
 165                 $sql_query     .= PMA_backquote(trim($tmp[$i]));
 166             } // end for
 167             $sql_query .= ')';
 168         } else {
 169             $sql_query .= ' (' . $column_name . ')';
 170         }
 171     }
 172
 173     // We could rename the ldi* scripts to tbl_properties_ldi* to improve
 174     // consistency with the other sub-pages.
 175     //
 176     // The $goto in ldi_table.php3 is set to tbl_properties.php3 but maybe
 177     // if would be better to Browse the latest inserted data.
 178     include('./sql.php3');
 179     if ($unlink_local_textfile) {
 180         unlink($textfile);
 181     }
 182 }
 183
 184
 185 /**
 186  * The form used to define the query hasn't been yet submitted -> loads it
 187  */
 188 else {
 189     include('./ldi_table.php3');
 190 }
 191 ?>