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Check code_challenge_methods_supported too

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Lim Chee Aun 2024-08-31 23:10:38 +08:00
parent 0e961e87a4
commit 9fd17ad5e6
1 changed files with 4 additions and 2 deletions
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6
src/utils/oauth-pkce.js
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@ -26,7 +26,7 @@ export async function generateCodeChallenge(v) {
return base64urlencode(hashed); return base64urlencode(hashed);
} }
// If https://mastodon.social/.well-known/oauth-authorization-server exists, means support PKCE // If /.well-known/oauth-authorization-server exists and code_challenge_methods_supported includes "S256", means support PKCE
export async function supportsPKCE({ instanceURL }) { export async function supportsPKCE({ instanceURL }) {
if (!instanceURL) return false; if (!instanceURL) return false;
try { try {
@ -34,7 +34,9 @@ export async function supportsPKCE({ instanceURL }) {
`https://${instanceURL}/.well-known/oauth-authorization-server`, `https://${instanceURL}/.well-known/oauth-authorization-server`,
); );
if (!res.ok || res.status !== 200) return false; if (!res.ok || res.status !== 200) return false;
return true; const json = await res.json();
if (json.code_challenge_methods_supported?.includes('S256')) return true;
return false;
} catch (e) { } catch (e) {
return false; return false;
} }