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fix: Handle when required resource parameter is missing or empty #1951

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fix: Handle when required resource parameter is missing or empty #1951

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af1444e
fix: Handle when required `resource` parameter is missing or empty
joshtrichards Nov 21, 2024
4c0834d
fix: psalm
joshtrichards Nov 21, 2024
3a0c72e
fix: oops
joshtrichards Nov 21, 2024
662b199
fixup
joshtrichards Nov 27, 2024
a02f309
Update WebfingerHandler.php
joshtrichards Nov 27, 2024
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13 changes: 11 additions & 2 deletions lib/WellKnown/WebfingerHandler.php
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,12 @@ public function handle(
*/
public function handleWebfinger(IRequestContext $context, ?IResponse $previousResponse): ?IResponse {
$subject = $this->getSubjectFromRequest($context->getHttpRequest());

// the `resource` parameter is required
if ($subject === '') {
return new JrdResponse('', Http::STATUS_BAD_REQUEST);
}

if (str_starts_with($subject, 'acct:')) {
$subject = substr($subject, 5);
}
Expand Down Expand Up @@ -216,8 +222,11 @@ private function getSubjectFromRequest(IRequest $request): string {

// work around to extract resource:
// on some setup (i.e. tests) the data are not available from IRequest
parse_str(parse_url($request->getRequestUri(), PHP_URL_QUERY), $query);

$requestUri = $request->getRequestUri();
if ($requestUri !== null) {
parse_str(parse_url($requestUri, PHP_URL_QUERY), $query);
}

return $query['resource'] ?? '';
}
}