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IONOS(user_oidc): match the bearer auth-scheme case-insensitively [8.6.1 backport, DO NOT MERGE] #5

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Merged
printminion-co merged 1 commit into from
Sep 17, 2026
Merged

IONOS(user_oidc): match the bearer auth-scheme case-insensitively [8.6.1 backport, DO NOT MERGE] #5

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5 changes: 4 additions & 1 deletion lib/User/Backend.php
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Original file line number Diff line number Diff line change
Expand Up @@ -232,8 +232,11 @@ public function getCurrentUserId(): string {
}

// get the bearer token from headers
// the auth-scheme is case-insensitive and is separated from the credentials
// by one or more spaces or horizontal tabs (RFC 9110, section 11.1), so this
// guard has to accept exactly what the strip below removes
$headerToken = $this->request->getHeader(Application::OIDC_API_REQ_HEADER);
if (!str_starts_with($headerToken, 'bearer ') && !str_starts_with($headerToken, 'Bearer ')) {
if (preg_match('/^bearer\s+/i', $headerToken) !== 1) {
$this->logger->debug('No Bearer token');
return '';
}
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