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<?php
/*************************
Coppermine Photo Gallery
************************
Copyright (c) 2003-2008 Dev Team
v1.1 originally written by Gregory DEMAR
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3
as published by the Free Software Foundation.
********************************************
Coppermine version: 1.4.19
$HeadURL: https://coppermine.svn.sourceforge.net/svnroot/coppermine/trunk/cpg1.4.x/charsetmgr.php $
$Revision: 4392 $
$Author: gaugau $
$Date: 2008-04-16 09:25:35 +0200 (Mi, 16 Apr 2008) $
**********************************************/
define('IN_COPPERMINE', true);
//define('DISPLAYIMAGE_PHP', true);
require('include/init.inc.php');
require('include/update.inc.php');
if (!GALLERY_ADMIN_MODE) die('Access denied');
// Displays a menu with a choice of charsets
function form_charset($optionvalue, $selected)
{
global $CONFIG;
$charsets = array(//'Default' => 'language file',
'Arabic' => 'iso-8859-6',
'Baltic' => 'iso-8859-4',
'Central European' => 'iso-8859-2',
'Chinese Simplified' => 'euc-cn',
'Chinese Traditional' => 'big5',
'Cyrillic (windows-1251)' => 'windows-1251',
'Cyrillic (koi8-r)' => 'koi8-r',
'Greek' => 'iso-8859-7',
'Hebrew' => 'iso-8859-8-i',
'Icelandic' => 'x-mac-icelandic',
'Japanese' => 'euc-jp',
'Korean' => 'euc-kr',
'Maltese' => 'iso-8859-3',
'Thai' => 'windows-874',
'Turkish' => 'iso-8859-9',
'Unicode' => 'utf-8',
'Vietnamese' => 'windows-1258',
'Western' => 'iso-8859-1'
);
//$value = strtolower($CONFIG['charset']);
echo "<select name=\"$optionvalue\">";
foreach ($charsets as $country => $charset)
{
echo "<option value=\"$charset\" " . ($selected == $charset ? 'selected="selected"' : '') . ">$country ($charset)</option>\n";
}
echo "</select>";
}
// Converts a given column of a given table from one charset to another
function charset_convert($table_name, $column_name, $index_name, $charsetin, $charsetout, $doit = 0)
{
global $CONFIG;
$result = cpg_db_query("SELECT * FROM $table_name");
while ($row = mysql_fetch_array($result))
{
if ($element = $row["$column_name"])
{
$elementid = $row[$index_name];
if ($convstr = iconv($charsetin,$charsetout,$element))
{
$query = "UPDATE $table_name SET $column_name='".addslashes($convstr)."' WHERE $index_name=$elementid";
$status = "<td>$query</td>";
$conversion_possible = 1;
}
else
{
$convstr = $element;
$status = "<td class=\"warning\">CONVERSION IMPOSSIBLE</td>";
$conversion_possible = 0;
}
if ($doit)
{
if ($conversion_possible)
{
$updateresult = cpg_db_query($query);
if ($updateresult )// check that the conversion was performed
$status = '<td class="done">DONE</td>';
else
$status = '<td class="failed">Query failed: '.mysql_error().' </td>';
}
else
$status = '<td >Query was impossible.</td>';
}
// We try to check if there are non-ascii characters in the string
if (iconv($charsetin, 'us-ascii', $element))
$asciionly = 1;
else
$asciionly = 0;
// The test above does not work, so the user has to check all the strings:
$asciionly = 0;
echo '<tr><td class="'.($asciionly ? 'nocheck' : 'check')."\">$convstr</td><td>$table_name</td><td>$column_name</td><td>$elementid</td>$status</tr>\n";
}
}
return $conversion_possible;
}
function set_config($name, $value)
{
global $CONFIG;
cpg_db_query("UPDATE {$CONFIG['TABLE_CONFIG']} SET value='$value' WHERE name='$name'");
}
// Either checks or carries out the conversion in all the necessary fields
function register_changes()
{
global $CONFIG;
if (count($_POST) > 0) {
if (isset($_POST['check']))
$doconvert = 0;
else if (isset($_POST['convert']))
$doconvert = 1;
if (isset($doconvert)) // ambiguous! it means: if a button has been pushed!
{
$charsetin = $_POST['charset_in'];
$charsetout = $_POST['charset_out'];
// elements of the database that need converting
// the first element in the array is the id name of the table
$affected_elements = array(
$CONFIG['TABLE_ALBUMS'] =>
array('aid', 'title', 'description', 'keyword'),
$CONFIG['TABLE_PICTURES'] =>
array('pid', 'title', 'caption', 'keywords'),
$CONFIG['TABLE_COMMENTS'] =>
array('msg_id', 'msg_author', 'msg_body'),
$CONFIG['TABLE_CATEGORIES'] =>
array('cid', 'name', 'description'),
$CONFIG['TABLE_USERGROUPS'] =>
array('group_id', 'group_name'),
$CONFIG['TABLE_USERS'] =>
array('user_id', 'user_name', 'user_password', 'user_profile1', 'user_profile2', 'user_profile3', 'user_profile4', 'user_profile5', 'user_profile6')
);
header("Content-Type: text/html; charset=$charsetout");
//echo $charsetin . " " .$charsetout;
if (!$doconvert)
{
$windowtitle = "Charset Manager - 2/3 - Check";
$title = "2/3 - Checking conversion from <b>$charsetin</b> to <b>$charsetout</b>";
}
else if ($doconvert)
{
$windowtitle = "Charset Manager - 3/3 - Conversion";
$title = "3/3 - Converting from <b>$charsetin</b> to <b>$charsetout</b>";
}
html_header($windowtitle, $charsetout);
html_logo();
echo "<h1>$title</h1>";
echo '<table border="1" class="charsetchecktable" cellpadding="3" cellspacing="0" style="margin:auto;">';
if (!$doconvert)
echo '<p class="warning">You <b>must check</b> that all the cells in <span class="check">blue</span> are displayed properly.</p>';
echo "<tr><th>String</th><th>Table</th><th>Column</th><th>Id</th><th>".($doconvert? "Result" : "Query")."</th></tr>";
foreach($affected_elements as $table => $columns)
for ($i = 1; $i < count($columns); ++$i)
{
charset_convert($table, $columns[$i], $columns[0], $charsetin, $charsetout, $doconvert);
}
echo '</table>';
if (!$doconvert)
{
echo "<form action=\"".$_SERVER['PHP_SELF']."\" method=\"post\">";
echo '<input type="hidden" name="charset_in" value="'.$charsetin."\" />\n";
echo '<input type="hidden" name="charset_out" value="'.$charsetout."\" />\n";
echo <<<EOT
<div class="warning">
<p>Before converting you <b>must</b>:</p>
<ol>
<li>Make a backup of your database. <span class="bigwarning">A malfunction of this script will result in the partial or complete loss or corruption of your comments and other string data containing non-ascii characters.</span></li>
<li>Check that all the strings above in <span class="check">blue</span> are displayed correctly.
</ol>
</div>
EOT;
echo '<div class="input"><input type="submit" class="button" name="convert" value="Convert" /></div>';
echo '</form>';
}
if ($doconvert)
{
// the script has succeeded (hopefully): we change the charset accordingly in the database
set_config('charset', $charsetout);
echo <<<EOT
<div class="warning">
<p>The conversion has been carried out.<br/>
If you did not get any errors, for security reasons, you may now <b>remove the file charsetmgr.php</b>, or make it unaccessible, since you will not need this file anymore.<br/>
You may now <a href="index.php">proceed to the main page.</a>
</p>
</div>
EOT;
}
html_footer();
exit;
}
}
}
// Charsetmgr start page
register_changes();
$languagefilecfg = 0;
if ($CONFIG['charset'] == 'language file')
{
$thecharset = $lang_charset;
$languagefilecfg = 1;
// we set the charset once and for all (better than 'language file')
set_config('charset', $thecharset);
}
else
{
$thecharset = $CONFIG['charset'];
}
html_header("Charset Manager - 1/3 - Start");
html_logo();
echo '<h1>1/3 - Charset Manager Start</h1>';
// We need these two to run the script
$alreadyunicode = 0;
$iconvavailable = 1;
// We test whether the converting function is available
if (!function_exists('iconv'))
{
$iconvavailable = 0;
}
if ($languagefilecfg)
{
/*
echo <<<EOT
<p class="warning">You are using the language default encoding. It means that:</p>
<ol>
<li> If there are comments left in different languages <b>other than English</b> and <b>other than your default language</b>, there might be some inconsistency in the encoding used for the comments. In that case, choose the encoding in which most of your comments are encoded.</li>
<li>The default choice of the left menu <b>might not be the right one</b>. Change it if it seems unappropriate.</li>
</ol>
EOT;
*/
}
if ($thecharset == 'utf-8')
{
echo '<p class="warning">Your site is already configured to use utf-8. <b>You don\'t need this script and should <a href="index.php">leave this page</a></b>.</p>';
$alreadyunicode = 1;
}
if (!$alreadyunicode && !$iconvavailable) // can't run the script but need it
{
set_config('lang', 'english');
echo '<p class="warning">The <a href="http://www.php.net/iconv">iconv</a> function is not available. <b>You cannot use this script.</b> Coppermine will now run in English. <br/>You may install iconv and start this script again. You should now <a href="index.php?lang=english">proceed to the main page</a>.</p>';
}
echo <<<EOT
<ul>
<li><b>You should not change the value of the second menu (utf-8) unless you know what you are doing!</b></li>
<li>Clicking on check will just allow you to check if the conversion is possible. The database will be left unchanged.
</ul>
EOT;
echo "<fieldset><legend>Charset Converter</legend>";
echo "<form action=\"".$_SERVER['PHP_SELF']."\" method=\"post\">";
echo "Convert from ";
form_charset('charset_in', $thecharset);
echo " to ";
form_charset('charset_out', 'utf-8');
echo <<<EOT
<input type="submit" class="button" name="check" value="Check" />
EOT;
echo "</form>";
echo "</fieldset>";
ob_end_flush();
html_footer();
?>
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