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Avoid caching a page twice in a row

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Tim Donohue
2023-01-20 16:50:42 -06:00
parent 048e5b012d
commit 36085e4854
1 changed files with 6 additions and 1 deletions
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7
server.ts
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@@ -399,7 +399,12 @@ function saveToCache(req, data: any) {
// NOTE: It's not safe to save page data to the cache when a user is authenticated. In that situation, // NOTE: It's not safe to save page data to the cache when a user is authenticated. In that situation,
// the page may include sensitive or user-specific materials. As the cache is shared across all users, it can only contain public info. // the page may include sensitive or user-specific materials. As the cache is shared across all users, it can only contain public info.
if (cacheEnabled() && !isUserAuthenticated(req)) { if (cacheEnabled() && !isUserAuthenticated(req)) {
cache.set(getCacheKey(req), data); const key = getCacheKey(req);
// Make sure this key is not already in our cache. If "has()" returns true,
// then it's in the cache already and *not* expired.
if (!cache.has(key)) {
cache.set(key, data);
}
} }
} }