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OPPG-413: Changed how HTML is handled for text. Any text widget with tags specified will now be treated as HTML

namespaces
Frank Ronny Larsen 2013-07-11 14:36:31 +02:00
parent 27345e22f8
commit 4509626a0d
1 changed files with 10 additions and 14 deletions
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24
h5p.classes.php
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@ -1190,31 +1190,25 @@ class H5PContentValidator {
* Validate given text value against text semantics.
*/
public function validateText(&$text, $semantics) {
if (isset($semantics->widget) && $semantics->widget == 'html') {
// Build allowed tag list, based in $semantics->tags and known defaults.
// These four are always allowed.
$tags = array('div', 'span', 'p', 'br');
if (! isset($semantics->tags)) {
// Add defaults used in javascript.
$tags = array_merge($tags, array('strong', 'em', 'del', 'h2', 'h3', 'a', 'ul', 'ol', 'table', 'hr'));
}
else {
$tags = array_merge($tags, $semantics->tags);
}
if (isset($semantics->tags)) {
// Not testing for empty array allows us to use the 4 defaults without
// specifying them in semantics.
$tags = array_merge(array('div', 'span', 'p', 'br'), $semantics->tags);
// Add related tags for table etc.
if (in_array('table', $tags)) {
$tags = array_merge($tags, array('tr', 'td', 'th', 'colgroup', 'thead', 'tbody', 'tfoot'));
}
if (in_array('b', $tags)) {
if (in_array('b', $tags) && ! in_array('strong', $tags)) {
$tags[] = 'strong';
}
if (in_array('i', $tags)) {
if (in_array('i', $tags) && ! in_array('em', $tags)) {
$tags[] = 'em';
}
if (in_array('ul', $tags) || in_array('ol', $tags)) {
if (in_array('ul', $tags) || in_array('ol', $tags) && ! in_array('li', $tags)) {
$tags[] = 'li';
}
// Convert array of tagNames to string of bracketed tags
$allowedtags = implode('', array_map(array($this, 'bracketTags'), $tags));
// Strip invalid HTML tags.
@ -1224,10 +1218,12 @@ class H5PContentValidator {
// Filter text to plain text.
$text = htmlspecialchars($text);
}
// 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 . '|';