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Add additional logging to troubleshoot failed backchannel logout issu… #632

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Add additional logging to troubleshoot failed backchannel logout issu… #632

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77eceaa
Add additional logging to troubleshoot failed backchannel logout issu…
shayaantx Oct 11, 2024
a537b2f
Merge branch 'master' into master
kushalshit27 Jul 18, 2025
c1fe376
Merge branch 'master' into master
kushalshit27 Jul 22, 2025
3585c38
Merge branch 'master' into master
kushalshit27 Aug 4, 2025
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4 changes: 3 additions & 1 deletion lib/context.js
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Original file line number Diff line number Diff line change
Expand Up @@ -454,6 +454,7 @@ class ResponseContext {
res.setHeader('cache-control', 'no-store');
const logoutToken = req.body.logout_token;
if (!logoutToken) {
debug('req.oidc.backchannelLogout() failed due to missing logout token', req.body);
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Copilot AI Jul 18, 2025

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Logging the entire req.body could potentially expose sensitive information. Consider logging only non-sensitive fields or a sanitized version of the request body.

Suggested change
debug('req.oidc.backchannelLogout() failed due to missing logout token', req.body);
debug('req.oidc.backchannelLogout() failed due to missing logout token. logout_token present: %s', !!req.body.logout_token);

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res.status(400).json({
error: 'invalid_request',
error_description: 'Missing logout_token',
Expand All @@ -474,6 +475,7 @@ class ResponseContext {
algorithms: [config.idTokenSigningAlg],
});
} catch (e) {
debug('req.oidc.backchannelLogout() failed verifying jwt with: %s', e.message);
res.status(400).json({
error: 'invalid_request',
error_description: e.message,
Expand All @@ -483,7 +485,7 @@ class ResponseContext {
try {
await onToken(token, config);
} catch (e) {
debug('req.oidc.backchannelLogout() failed with: %s', e.message);
debug('req.oidc.backchannelLogout() failed logging out the token with: %s', e.message);
res.status(400).json({
error: 'application_error',
error_description: `The application failed to invalidate the session.`,
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2 changes: 1 addition & 1 deletion middleware/auth.js
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Expand Up @@ -22,7 +22,7 @@ const enforceLeadingSlash = (path) => {
*/
const auth = function (params) {
const config = getConfig(params);
debug('configuration object processed, resulting configuration: %O', config);
debug('configuration object processed, resulting configuration: %O', {...config, clientSecret: "REDACTED", secret: "REDACTED"});
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Copilot AI Jul 18, 2025

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The spread operator approach may not handle nested objects containing sensitive data. Consider using a dedicated function to recursively redact sensitive fields or ensure no nested sensitive data exists in the config object.

Suggested change
debug('configuration object processed, resulting configuration: %O', {...config, clientSecret: "REDACTED", secret: "REDACTED"});
const redactSensitiveFields = (obj, fieldsToRedact) => {
if (obj && typeof obj === 'object') {
return Object.keys(obj).reduce((acc, key) => {
acc[key] = fieldsToRedact.includes(key)
? "REDACTED"
: redactSensitiveFields(obj[key], fieldsToRedact);
return acc;
}, Array.isArray(obj) ? [] : {});
}
return obj;
};
const redactedConfig = redactSensitiveFields(config, ['clientSecret', 'secret']);
debug('configuration object processed, resulting configuration: %O', redactedConfig);

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const router = new express.Router();
const transient = new TransientCookieHandler(config);

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