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OPPG-413: Validation of specific limitations from semantics.

namespaces
Frank Ronny Larsen 2013-07-08 15:28:45 +02:00
parent 1ca9eff064
commit 35e2623e1b
1 changed files with 41 additions and 7 deletions
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48
h5p.classes.php
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@ -1182,8 +1182,21 @@ class H5PContentValidator {
// Filter text to plain text.
$text = htmlspecialchars($text);
}
// TODO: Check if string is within allowed length
// TODO: Check if string is according to optional regexp in semantics
// Check if string is within allowed length
if (isset($semantics->maxLength)) {
$text = mb_substr($text, 0, $semantics->maxLength);
}
// Check if string is according to optional regexp in semantics
if (isset($semantics->regexp)) {
$pattern = $semantics->regexp->pattern;
$pattern .= isset($semantics->regexp->modifiers) ? $semantics->regexp->modifiers : '';
if (preg_match($pattern, $text) === 0) {
// Note: explicitly ignore return value FALSE, to avoid removing text
// if regexp is invalid...
$this->h5pF->setErrorMessage($this->h5pF->t('Provided string is not valid according to regexp in semantics.'));
$text = '';
}
}
}
private function bracketTags($tag) {
return '<'.$tag.'>';
@ -1197,9 +1210,25 @@ class H5PContentValidator {
if (!is_numeric($number)) {
$number = 0;
}
// TODO: Check if number is within valid bounds.
// TODO: Check if number is within allowed bounds even if step value is set.
// TODO: Check if number has proper number of decimals.
// Check if number is within valid bounds. Move within bounds if not.
if (isset($semantics->min) && $number < $semantics->min) {
$number = $semantics->min;
}
if (isset($semantics->max) && $number > $semantics->max) {
$number = $semantics->max;
}
// Check if number is within allowed bounds even if step value is set.
if (isset($semantics->step)) {
$testnumber = $number - (isset($semantics->min) ? $semantics->min : 0);
$rest = $testnumber % $semantics->step;
if ($rest !== 0) {
$number -= $rest;
}
}
// Check if number has proper number of decimals.
if (isset($semantics->decimals)) {
$number = round($number, $semantics->decimals);
}
}
/**
@ -1239,13 +1268,18 @@ class H5PContentValidator {
*/
public function validateList(&$list, $semantics) {
$field = $semantics->field;
$function = $this->typeMap[$field->type];
// Check that list is not longer than allowed length. We do this before
// iterating to avoid unneccessary work.
if (isset($semantics->max)) {
array_splice($list, $semantics->max);
}
// Validate each element in list.
foreach ($list as $key => $value) {
$this->$function($value, $field);
}
// TODO: Check that list is not longer than allowed length
}
/**