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Don’t pad and shuffle the payload if an encryption key has been set

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This commit is contained in:
Alex Bilbie 2017-07-01 16:37:53 +01:00
parent e123fe82d0
commit 0706d66c76
1 changed files with 12 additions and 7 deletions
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19
src/Grant/AuthCodeGrant.php
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@ -320,15 +320,20 @@ class AuthCodeGrant extends AbstractAuthorizeGrant
'expire_time' => (new \DateTime())->add($this->authCodeTTL)->format('U'),
'code_challenge' => $authorizationRequest->getCodeChallenge(),
'code_challenge_method ' => $authorizationRequest->getCodeChallengeMethod(),
'_padding' => base64_encode(random_bytes(mt_rand(8, 256)))
];
// Shuffle the payload so that the structure is no longer know and obvious
$keys = array_keys($payload);
shuffle($keys);
$shuffledPayload = [];
foreach ($keys as $key) {
$shuffledPayload[$key] = $payload[$key];
if ($this->encryptionKey === null) {
// Add padding to vary the length of the payload
$payload['_padding'] = base64_encode(random_bytes(mt_rand(8, 256)));
// Shuffle the payload so that the structure is no longer know and obvious
$keys = array_keys($payload);
shuffle($keys);
$shuffledPayload = [];
foreach ($keys as $key) {
$shuffledPayload[$key] = $payload[$key];
}
} else {
$shuffledPayload = $payload;
}
$response = new RedirectResponse();