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Limit requests sent through session status iframe (#132) (#28864)

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Closes #116

Signed-off-by: Jon Koops <jonkoops@gmail.com>
Co-authored-by: Jon Koops <jonkoops@gmail.com>
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Stian Thorgersen 2024-04-18 14:02:37 +02:00 committed by GitHub
parent 2c069433f9
commit cbc4a8c305
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1 changed files with 8 additions and 0 deletions
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8
services/src/main/resources/org/keycloak/protocol/oidc/endpoints/login-status-iframe.html
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@ -28,6 +28,7 @@
}
let init;
let preventAdditionalRequests = false;
async function checkState(clientId, origin, sessionState) {
// Check if the browser has granted us access to 3rd-party storage (such as cookies).
@ -41,6 +42,13 @@
// If not initialized, verify this client is allowed access with a call to the server.
if (!init) {
// Prevent additional requests to the server to avoid potential DoS attacks.
if (preventAdditionalRequests) {
return "error";
} else {
preventAdditionalRequests = true;
}
const url = new URL(`${location.origin}${location.pathname}/init`);
url.searchParams.set("client_id", clientId);