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OAuth Flow: generate random state parameter in oauth state machine #615

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Merged
merged 8 commits into from
Aug 1, 2025
Merged

OAuth Flow: generate random state parameter in oauth state machine #615

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1c8bf36
generate random state parameter in oauth state machine
KKonstantinov Jul 13, 2025
4ef85f7
generate random state parameter in oauth state machine
KKonstantinov Jul 13, 2025
0f7546e
Merge branch 'main' into bugfix/authorization-url-generate-state
KKonstantinov Jul 14, 2025
379126d
Merge branch 'main' into bugfix/authorization-url-generate-state
olaservo Jul 16, 2025
8383714
Merge branch 'main' into bugfix/authorization-url-generate-state
KKonstantinov Jul 25, 2025
94c7520
Merge branch 'main' into bugfix/authorization-url-generate-state
olaservo Jul 27, 2025
cea2b6f
Merge branch 'main' into bugfix/authorization-url-generate-state
olaservo Jul 31, 2025
816f6c2
Merge branch 'main' into bugfix/authorization-url-generate-state
olaservo Aug 1, 2025
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8 changes: 8 additions & 0 deletions client/src/lib/oauth-state-machine.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -113,13 +113,21 @@ export const oauthTransitions: Record<OAuthStep, StateTransition> = {
scope = metadata.scopes_supported.join(" ");
}

// Generate a random state
const array = new Uint8Array(32);
crypto.getRandomValues(array);
const state = Array.from(array, (byte) =>
byte.toString(16).padStart(2, "0"),
).join("");

const { authorizationUrl, codeVerifier } = await startAuthorization(
context.serverUrl,
{
metadata,
clientInformation,
redirectUrl: context.provider.redirectUrl,
scope,
state: state,
resource: context.state.resource ?? undefined,
},
);
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