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Code Issues Releases Wiki Activity

Don't hash the eventId (it's uneccessary)

pull/21833/head
Luke Barnard 2018-06-15 16:59:42 +01:00
parent c5252be4a8
commit 98ed93ee5b
1 changed files with 3 additions and 7 deletions
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10
src/DecryptionFailureTracker.js
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@ -21,10 +21,6 @@ class DecryptionFailure {
} }
} }
function eventIdHash(eventId) {
return crypto.subtle.digest('SHA-256', eventId);
}
export default class DecryptionFailureTracker { export default class DecryptionFailureTracker {
// Array of items of type DecryptionFailure. Every `CHECK_INTERVAL_MS`, this list // Array of items of type DecryptionFailure. Every `CHECK_INTERVAL_MS`, this list
// is checked for failures that happened > `GRACE_PERIOD_MS` ago. Those that did // is checked for failures that happened > `GRACE_PERIOD_MS` ago. Those that did
@ -37,7 +33,7 @@ export default class DecryptionFailureTracker {
// Event IDs of failures that were tracked previously // Event IDs of failures that were tracked previously
trackedEventHashMap = { trackedEventHashMap = {
// [eventIdHash(eventId)]: true // [eventId]: true
}; };
// Spread the load on `Analytics` by sending at most 1 event per // Spread the load on `Analytics` by sending at most 1 event per
@ -130,7 +126,7 @@ export default class DecryptionFailureTracker {
// Only track one failure per event // Only track one failure per event
const dedupedFailuresMap = failuresGivenGrace.reduce( const dedupedFailuresMap = failuresGivenGrace.reduce(
(map, failure) => { (map, failure) => {
if (!this.trackedEventHashMap[eventIdHash(failure.failedEventId)]) { if (!this.trackedEventHashMap[failure.failedEventId]) {
return map.set(failure.failedEventId, failure); return map.set(failure.failedEventId, failure);
} else { } else {
return map; return map;
@ -143,7 +139,7 @@ export default class DecryptionFailureTracker {
const trackedEventIds = [...dedupedFailuresMap.keys()]; const trackedEventIds = [...dedupedFailuresMap.keys()];
this.trackedEventHashMap = trackedEventIds.reduce( this.trackedEventHashMap = trackedEventIds.reduce(
(result, eventId) => ({...result, [eventIdHash(eventId)]: true}), (result, eventId) => ({...result, [eventId]: true}),
this.trackedEventHashMap, this.trackedEventHashMap,
); );