/**
* UploadField::isValid()
*
* Check if the value is valid
*
* @return bool: check if the value is valid
* @access public
* @author Teye Heimans
*/
function isValid()
{
// make the files array global if they are not
if (!_global) {
global $_FILES;
}
/**
* Removed this part in order to get the required parameter working.
* @since 02-04-2008
* @author Johan Wiegel
*
* reactivated this part seems to work why was this removed?? 29-04-2009 JW
*/
// when no uploadfield was submitted (on multi-paged forms)
if (!isset($_FILES[$this->_sName])) {
return true;
}
// check if we have validated this field before
if (isset($this->_isValid)) {
return $this->_isValid;
}
// is a own error handler used?
if (isset($this->_sValidator) && !empty($this->_sValidator)) {
// check the field with the users validator
$this->_isValid = Field::isValid();
return $this->_isValid;
}
// easy name to work with (this is the $_FILES['xxx'] array )
$aFile = $this->_mValue;
// alert when file exists ? (and is a file uploaded ?)
if (strtolower($this->_aConfig['exists']) == 'alert' && $aFile['error'] == 0 && file_exists($this->_aConfig['path'] . $this->_getFilename(true))) {
$this->_sError = $this->_oForm->_text(21);
}
// check if the field is required and if it is uploaded.
if ((is_bool($this->_aConfig['required']) && $this->_aConfig['required'] || strtolower(trim($this->_aConfig['required'])) == 'true') && $aFile['error'] == 4 && empty($this->_sFilename)) {
// no file uploaded
$this->_sError = $this->_oForm->_text(22);
} elseif ($aFile['error'] != 4) {
// file size to big?
if (isset($aFile['error']) && ($aFile['error'] == 1 || $aFile['error'] == 2 || $aFile['size'] > $this->_aConfig['size'])) {
$this->_sError = sprintf($this->_oForm->_text(23), round($this->_aConfig['size'] / 1024, 2));
$this->_isValid = false;
return false;
}
// is the extension correct ?
$sExt = $this->_getExtension($this->_mValue['name']);
if (!$sExt) {
// no extension found!
$this->_sError = $this->_oForm->_text(37);
} else {
// check if the extension is allowed
if ($this->_aConfig['type'] != '*' && !in_array($sExt, explode(' ', strtolower($this->_aConfig['type'])))) {
$this->_sError = sprintf($this->_oForm->_text(20), $this->_aConfig['type']);
}
// does build in function exists for retrieving the mime type of the file?
// if so, get the type of the mime from that function (more secure)
// otherwise, use the one from the browser
// as of php 5.3 mime_content_type is deprecated, use finfo_open instead
if (function_exists('finfo_open')) {
$finfo = finfo_open(FILEINFO_MIME);
$sTypeRaw = finfo_file($finfo, $aFile['tmp_name']);
finfo_close($finfo);
list($sType) = preg_split('/;/', $sTypeRaw);
} else {
$sType = function_exists('mime_content_type') ? mime_content_type($aFile['tmp_name']) : $aFile['type'];
}
// get the mime data
$aMimeData = unserialize(FH_MIME_DATA);
// the allowed mime types given by the user
$aUsrMimeData = $this->_aConfig['mime'];
# Debug message
/*
echo
"<fieldset><legend><b>Debug Mime data</b></legend>\n".
"Extension of the uploaded file: ".$sExt ."<br '. FH_XHTML_CLOSE .'>\n".
"Mime type of uploaded file: ". $sType ."<br '. FH_XHTML_CLOSE .'>\n".
"Extension known: ".(isset( $aMimeData[$sExt] ) ? "true":"false")."<br '. FH_XHTML_CLOSE .'>\n".
(isset( $aMimeData[$sExt] ) ? "Mime type(s) expected: " . implode(", ", $aMimeData[$sExt]) : '')."<br '. FH_XHTML_CLOSE .'>\n".
"User allowed mime types:<br'. FH_XHTML_CLOSE .'>\n<pre>";
print_r( $aUsrMimeData );
echo
"</pre>\n".
"</fieldset>\n";
*/
// check if the mime type is allowed
// wo 8 feb 2006: added "!isset( $aUsrMimeData['*'] ) || "
if ((!isset($aUsrMimeData[$sExt]) || !in_array($sType, $aUsrMimeData[$sExt])) && (!isset($aUsrMimeData['*']) || !in_array($sType, $aUsrMimeData['*'])) && (!isset($aMimeData[$sExt]) || !in_array($sType, $aMimeData[$sExt]))) {
// mime type is not allowed!
$this->_sError = $this->_oForm->_text(31);
} else {
// is it an image and is a max width/height given? Get the proportions
if (preg_match('/^image\\//', $sType) && !empty($this->_aConfig['height']) || !empty($this->_aConfig['width'])) {
// size is incorrect.. give a size error message
list($iWidth, $iHeight) = getimagesize($aFile['tmp_name']);
if ((int) $this->_aConfig['height'] > 0 && $iHeight > (int) $this->_aConfig['height'] || (int) $this->_aConfig['width'] > 0 && $iWidth > (int) $this->_aConfig['width']) {
$this->_sError = sprintf($this->_oForm->_text(32), (int) $this->_aConfig['width'], (int) $this->_aConfig['height'], $iWidth, $iHeight);
}
}
}
// if an error occured..
if ($aFile['error'] == 3) {
$this->_sError = $this->_oForm->_text(24);
}
}
}
// when no error ocoured, the file is valid
$this->_isValid = empty($this->_sError);
return $this->_isValid;
}
/**
* TextArea::isValid()
*
* Check if the field's value is valid
*
* @return boolean
* @access public
* @author Teye Heimans
*/
function isValid()
{
// is a max length set ?
if (isset($this->_iMaxLength) && $this->_iMaxLength > 0) {
// is there to many data submitted ?
$iLen = strlen($this->_mValue);
if ($iLen > $this->_iMaxLength) {
// set the error message
$this->_sError = sprintf($this->_oForm->_text(40), $this->_iMaxLength, $iLen, abs($iLen - $this->_iMaxLength));
// return false because the value is not valid
return false;
}
}
// everything ok untill here, use the default validator
return parent::isValid();
}
/**
* DateField::isValid()
*
* Check if the date is valid (eg not 31-02-2003)
*
* @return boolean: true if the field is correct, false if not
* @access public
* @author Teye Heimans
*/
function isValid()
{
// the result has been requested before..
if (isset($this->_isValid)) {
return $this->_isValid;
}
// check if the year field is valid
if (isset($this->_oYear) && is_object($this->_oYear)) {
if (!$this->_oYear->isValid()) {
// get the error
$this->_sError = $this->_oYear->getError();
return false;
}
}
// check if the month field is valid
if (isset($this->_oMonth) && is_object($this->_oMonth)) {
if (!$this->_oMonth->isValid()) {
// get the error
$this->_sError = $this->_oMonth->getError();
return false;
}
}
// check if the day field is valid
if (isset($this->_oDay) && is_object($this->_oDay)) {
if (!$this->_oDay->isValid()) {
// get the error
$this->_sError = $this->_oDay->getError();
return false;
}
}
$d = $this->getValue('d');
$m = $this->getValue('m');
$y = $this->getValue('y');
$mask = strtolower($this->_sMask);
if ($y != '' && strlen($y) != 4) {
$this->_sError = $this->_oForm->_text(13);
return false;
}
// first of al check if the date is right when a valid date is submitted
// (but only when all fields are displayed (d m and y or t in the display string!)
if (strpos($mask, 'd') !== false && strpos($mask, 'm') !== false && strpos($mask, 'y') !== false && ($d != '00' && $d != '') && ($m != '00' && $m != '') && ($y != '0000' && $y != '') && !checkdate($m, $d, $y)) {
$this->_sError = $this->_oForm->_text(13);
$this->_isValid = false;
return $this->_isValid;
}
// if validator given, check the value with the validator
if (isset($this->_sValidator) && !empty($this->_sValidator)) {
$this->_isValid = parent::isValid();
} else {
$this->_isValid = true;
}
return $this->_isValid;
}