public function maxUploadSize()
{
return FileSystemUtils::humanFileSize(FileSystemUtils::iniValueInBytes(ini_get('upload_max_filesize')));
}
protected function deriveMetaDatatype(ValidationExpression $ve)
{
$v = $ve->getValidationArray();
$datatype = $v['datatype'];
switch ($datatype) {
case 'flag':
return 'flag';
case 'boolean':
return 'tiny';
case 'date':
if (isset($v['unix']) && !StringUtils::strToBool($v['unix'])) {
return 'datetime';
}
// If unix attribute is not specified, assume they want date (timestamp) for backward-compatibility
return 'date';
case 'int':
$min = isset($v['min']) ? (int) $v['min'] : 0;
$max = isset($v['max']) ? (int) $v['max'] : PHP_INT_MAX;
if ($min < 0) {
if ($min >= -128 && $max <= 127) {
return 'tiny-signed';
} else {
if ($min >= -2147483648 && $max <= 2147483647) {
return 'int-signed';
}
}
return 'long-signed';
}
if ($max < 255) {
return 'tiny';
} else {
if ($max <= 4294967295) {
return 'int';
}
}
return 'long';
case 'float':
return 'float';
case 'slug':
case 'slugwithslash':
case 'email':
$ve->setMax(255);
// set max
return 'varchar';
case 'json':
$ve->setMax(262144);
//set max to 256K
return 'mediumtext';
case 'string':
case 'html':
case 'url':
// NOTE: MySQL columns are bytes, string lengths are characters
$max = 255;
// default is 255
if (isset($v['max'])) {
$max = (int) FileSystemUtils::iniValueInBytes($v['max']);
}
if ($max == 65536) {
$max = 65535;
}
if ($max > 262144) {
// max is 256K
$max = 262144;
}
$ve->setMax($max);
// set max
if ($max <= 255) {
// 255 or less is VARCHAR
return 'varchar';
}
if ($max <= 65535) {
// 64K or less is TEXT
return 'text';
}
if ($max <= 262144) {
// 256K or less is MEDIUMTEXT
return 'mediumtext';
}
case 'binary':
$max = 262144;
// default is 256K
if (isset($v['max'])) {
$max = (int) FileSystemUtils::iniValueInBytes($v['max']);
}
if ($max == 65536) {
$max = 65535;
}
if ($max > 262144) {
// max is 256K
$max = 262144;
}
$ve->setMax($max);
// set max
if ($max <= 65535) {
// 64K or less, store as BLOB
return 'blob';
}
if ($max <= 262144) {
// 256K or less, store as MEDIUMBLOB
return 'mediumblob';
}
}
}
public function findBetween($filename, $startTag, $endTag)
{
$chunkSize = FileSystemUtils::iniValueInBytes($this->chunkSize);
$fp = @fopen($filename, 'rb');
if (!$fp) {
throw new BigFileException("Could not open file {$filename}");
}
$output = null;
$buf = '';
$startPos = false;
$endPos = false;
$error = null;
for (;;) {
// read
$chunk = @fread($fp, $chunkSize);
// check for error or eof
if (empty($chunk)) {
if (!feof($fp)) {
$error = 'Read failure';
} else {
if ($startPos !== false) {
$error = 'Unterminated';
} else {
$error = 'Not Found';
}
}
break;
}
$buf .= $chunk;
if ($startPos === false) {
// haven't found start of data yet
$startPos = strpos($buf, $startTag);
if ($startPos !== false) {
$output = substr($buf, $startPos);
$firstTry = true;
$buf = '';
} else {
$buf = substr($buf, 1 - strlen($startTag));
}
}
if ($startPos !== false) {
// have found start of data
$output .= $buf;
$endPos = strpos($output, $endTag);
if ($endPos !== false) {
$output = substr($output, 0, $endPos + strlen($endTag));
break;
} else {
if ($firstTry) {
$firstTry = false;
$buf = '';
} else {
$error = "Data exceeds limit of {$chunkSize} bytes";
break;
}
}
}
// END if we've found start of data
}
// END each chunk
@fclose($fp);
if ($error) {
throw new BigFileException($error);
}
return $output;
}
