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Fix: HTMLPurifier cache write error #1957

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Fix: HTMLPurifier cache write error #1957

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6 changes: 6 additions & 0 deletions application/helpers/html_helper.php
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Original file line number Diff line number Diff line change
Expand Up @@ -189,6 +189,12 @@ function pure_html(string $markup): string
{
$config = HTMLPurifier_Config::createDefault();

// By default, HTMLPurifier caches its serialized definitions inside its own vendor directory
// (vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Serializer), which is commonly
// deployed read-only or owned by a different user than the web server. Redirect it to storage/cache,
// the app's own writable data directory, to avoid write permission errors.
$config->set('Cache.SerializerPath', storage_path('cache'));

$purifier = new HTMLPurifier($config);

return $purifier->purify($markup);
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