function recreateThumbnails()
{
global $TABLE_PREFIX;
$tableNameWithoutPrefix = getTablenameWithoutPrefix($_REQUEST['tablename']);
// error checking
$stopPrefix = "STOPJS:";
// this tells javascript to stop creating thumbnails
$requiredFields = array('tablename', 'fieldname', 'maxHeight', 'maxWidth');
foreach ($requiredFields as $fieldname) {
if (!@$_REQUEST[$fieldname]) {
die($stopPrefix . "Required fieldname '{$fieldname}' not specified!");
}
}
if (preg_match('/[^0-9\\_]/i', $_REQUEST['maxHeight'])) {
die($stopPrefix . "Invalid value for max height!\n");
}
if (preg_match('/[^0-9\\_]/i', $_REQUEST['maxWidth'])) {
die($stopPrefix . "Invalid value for max width!\n");
}
// get upload count
static $count;
if ($count == '') {
$where = mysql_escapef("tableName = ? AND fieldName = ?", $tableNameWithoutPrefix, $_REQUEST['fieldname']);
$totalUploads = mysql_count('uploads', $where);
}
// load upload
$whereEtc = mysql_escapef("tableName = ? AND fieldname = ?", $tableNameWithoutPrefix, $_REQUEST['fieldname']);
$whereEtc .= " LIMIT 1 OFFSET " . intval($_REQUEST['offset']);
@(list($upload) = mysql_select('uploads', $whereEtc));
//
if ($upload) {
// get uploadDir and uploadUrl
$schema = loadSchema($upload['tableName']);
list($uploadDir, $uploadUrl) = getUploadDirAndUrl($schema[$upload['fieldName']]);
// get upload's absolute filepath
$absoluteFilepath = addUploadPathPrefix($upload['filePath'], $uploadDir);
// make path absolute
// error checking
if (!file_exists($absoluteFilepath)) {
$error = "Upload doesn't exist '{$absoluteFilepath}'!<br/>\n";
$error .= "Found in: {$upload['tableName']}, {$upload['fieldName']}, record {$upload['recordNum']}.";
die($error);
}
### resize image
$isImage = preg_match("/\\.(gif|jpg|jpeg|png)\$/i", $absoluteFilepath);
if ($isImage) {
$thumbNum = $_REQUEST['thumbNum'];
$thumbSavePath = preg_replace("|([^/]+)\$|", "thumb{$thumbNum}/\$1", $absoluteFilepath);
$thumbUrlPath = preg_replace("|([^/]+)\$|", "thumb{$thumbNum}/\$1", $upload['urlPath']);
// erase old thumbnail
if (file_exists($thumbSavePath)) {
@unlink($thumbSavePath) || die("Can't erase old thumbnail '{$thumbSavePath}': {$php_errormsg}");
}
// create new thumbnail
list($thumbWidth, $thumbHeight) = saveResampledImageAs($thumbSavePath, $absoluteFilepath, $_REQUEST['maxWidth'], $_REQUEST['maxHeight']);
doAction('upload_thumbnail_save', array($tableNameWithoutPrefix, $_REQUEST['fieldname'], $thumbNum, $thumbSavePath));
// update upload database
$query = "UPDATE `{$TABLE_PREFIX}uploads`\n";
$query .= " SET `thumbFilepath{$thumbNum}` = '" . mysql_escape(removeUploadPathPrefix($thumbSavePath, $uploadDir)) . "',\n";
$query .= " `thumbUrlPath{$thumbNum}` = '" . mysql_escape(removeUploadPathPrefix($thumbUrlPath, $uploadUrl)) . "',\n";
$query .= " `thumbWidth{$thumbNum}` = '" . mysql_escape($thumbWidth) . "',\n";
$query .= " `thumbHeight{$thumbNum}` = '" . mysql_escape($thumbHeight) . "'\n";
$query .= " WHERE num = '" . mysql_escape($upload['num']) . "'";
mysql_query($query) or die("MySQL Error: " . htmlencode(mysql_error()) . "\n");
}
}
// print status message
$offset = $_REQUEST['offset'] + 1;
if ($offset <= $totalUploads) {
print "{$offset}/{$totalUploads}";
} else {
print "done";
}
exit;
}
function getTablenameErrors($tablename)
{
// get used tablenames
static $usedTableNamesLc = array();
static $loadedTables;
if (!$loadedTables++) {
foreach (getMysqlTablesWithPrefix() as $usedTablename) {
$withoutPrefixLc = strtolower(getTablenameWithoutPrefix($usedTablename));
array_push($usedTableNamesLc, $withoutPrefixLc);
}
foreach (getSchemaTables() as $usedTableName) {
$withoutPrefixLc = strtolower($usedTablename);
array_push($usedTableNamesLc, $withoutPrefixLc);
}
}
// get reserved tablenames
$reservedTableNamesLc = array();
array_push($reservedTableNamesLc, 'home', 'admin', 'database', 'accounts', 'license');
// the are hard coded menu names
array_push($reservedTableNamesLc, 'default');
// can't be used because menu folder exists with default menu files
array_push($reservedTableNamesLc, 'all');
// can't be used because the "all" keyword gives access to all menus in user accounts
// get error
$error = null;
$tablenameLc = strtolower(getTableNameWithoutPrefix($tablename));
if ($tablenameLc == '') {
$error = "No table name specified!\n";
} else {
if (!preg_match("/^[a-z]/", $tablenameLc)) {
$error = "Table name must start with a letter!\n";
} else {
if (preg_match("/[A-Z]/", $tablename)) {
$error = "Table name must be lowercase!\n";
} else {
if (preg_match("/[^a-z0-9\\-\\_]/", $tablename)) {
$error = "Table name can only contain these characters (\"a-z, 0-9, - and _\")!\n";
}
}
}
}
if (in_array($tablenameLc, $usedTableNamesLc)) {
$error = "That table name is already in use, please choose another.\n";
}
if (in_array($tablenameLc, $reservedTableNamesLc)) {
$error = "That table name is not allowed, please choose another.\n";
}
//
return $error;
}