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feat: implement race condition fix for session ID management in script.js, ensuring correct ID usage across multiple tabs

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This commit is contained in:
Usman Baig
2026-02-11 11:26:29 +01:00
parent 2b3d052f87
commit 5886cc661c
1 changed files with 17 additions and 0 deletions
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17
public/script.js
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@@ -160,6 +160,23 @@
}
}
cachedSessionId = generateId();
// * Race fix: re-read before writing; if another tab wrote in the meantime, use that ID instead
var rawAgain = localStorage.getItem(key);
if (rawAgain) {
try {
var parsedAgain = JSON.parse(rawAgain);
if (parsedAgain && typeof parsedAgain.id === 'string') {
var expiredAgain = ttlMs > 0 && typeof parsedAgain.created === 'number' && (Date.now() - parsedAgain.created > ttlMs);
if (!expiredAgain) {
cachedSessionId = parsedAgain.id;
// #region agent log
try { fetch('http://127.0.0.1:7243/ingest/50587964-c1c6-436a-a7ce-ff2cde3c5b63',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({location:'script.js:getSessionId:local',message:'race fix reused other tab id',data:{sessionIdPrefix:cachedSessionId.substring(0,8)},timestamp:Date.now(),hypothesisId:'E'})}).catch(function(){}); } catch (e4) {}
// #endregion
return cachedSessionId;
}
}
} catch (e2) {}
}
localStorage.setItem(key, JSON.stringify({ id: cachedSessionId, created: Date.now() }));
// #region agent log
try { fetch('http://127.0.0.1:7243/ingest/50587964-c1c6-436a-a7ce-ff2cde3c5b63',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({location:'script.js:getSessionId:local',message:'generated new and wrote to localStorage',data:{sessionIdPrefix:cachedSessionId.substring(0,8)},timestamp:Date.now(),hypothesisId:'C,E'})}).catch(function(){}); } catch (e) {}