mirror of
https://gitlab.com/mbugroup/lti-web-client.git
synced 2026-05-21 05:45:46 +00:00
ValdiANS
26 lines
1.2 KiB
TypeScript
26 lines
1.2 KiB
TypeScript
/**
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* Redirects the user to the SSO login page with loop protection.
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*
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* This function checks a session storage timestamp to ensure that redirects
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* do not happen too frequently (blocking infinite redirect loops).
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*/
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export const redirectToSSO = () => {
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if (typeof window === 'undefined') return;
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const lastRedirect = sessionStorage.getItem('auth_redirect_timestamp');
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const now = Date.now();
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// Loop protection: allow redirect only if last one was > 5 seconds ago
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// or if no redirect has happened yet.
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if (!lastRedirect || now - parseInt(lastRedirect, 10) > 5000) {
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sessionStorage.setItem('auth_redirect_timestamp', now.toString());
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// const ssoLoginUrl = `${process.env.NEXT_PUBLIC_SSO_LOGIN_URL as string}?redirect_url=${window.location.href}`;
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const ltiSsoStart = `${process.env.NEXT_PUBLIC_API_BASE_URL as string}/sso/start?client_id=${process.env.NEXT_PUBLIC_CLIENT_ID as string}&redirect_url=${window.location.href}`;
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const ssoLoginUrl = `${process.env.NEXT_PUBLIC_SSO_LOGIN_URL as string}?redirect_url=${ltiSsoStart}`;
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window.location.href = ssoLoginUrl;
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} else {
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console.error('Redirect loop detected. Aborting redirect.');
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}
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};
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