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Allow %URI.DefaultScheme to be null.

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Fixes #103.

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
This commit is contained in:
Edward Z. Yang
2016-10-27 17:24:34 -07:00
parent d19d648a26
commit 59463c5c39
6 changed files with 26 additions and 9 deletions
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12
library/HTMLPurifier/URI.php
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@@ -85,11 +85,13 @@ class HTMLPurifier_URI
$def = $config->getDefinition('URI');
$scheme_obj = $def->getDefaultScheme($config, $context);
if (!$scheme_obj) {
// something funky happened to the default scheme object
trigger_error(
'Default scheme object "' . $def->defaultScheme . '" was not readable',
E_USER_WARNING
);
if ($def->defaultScheme !== null) {
// something funky happened to the default scheme object
trigger_error(
'Default scheme object "' . $def->defaultScheme . '" was not readable',
E_USER_WARNING
);
} // suppress error if it's null
return false;
}
}