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fix: multiple boost publication by relay

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This commit is contained in:
Namekuji 2023-06-30 17:44:36 -04:00
parent 4e5bb1194a
commit e70d99be57
1 changed files with 51 additions and 47 deletions
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98
packages/backend/src/services/note/create.ts
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@ -461,57 +461,61 @@ export default async (
}
if (!dontFederateInitially) {
const relays = await getCachedRelays();
// Some relays (e.g., aode-relay) deliver posts by boosting them as
// Announce activities. In that case, user is the relay's actor.
const boostedByRelay =
!!user.inbox &&
relays.map((relay) => relay.inbox).includes(user.inbox);
if (!note.uri) {
if (!note.userHost) {
// Publish if the post is local
publishNotesStream(note);
} else if (boostedByRelay && data.renote?.uri) {
// Use Redis transaction for atomicity
await redisClient.watch(`publishedNote:${data.renote.uri}`);
const exists = await redisClient.exists(
`publishedNote:${data.renote.uri}`,
);
if (exists === 0) {
// Start the transaction
const transaction = redisClient.multi();
const key = `publishedNote:${data.renote.uri}`;
transaction.set(key, 1, "EX", 30);
// Execute the transaction
transaction.exec((err, replies) => {
// Publish after setting the key in Redis
if (!err && data.renote) {
publishNotesStream(data.renote);
}
});
} else {
const relays = await getCachedRelays();
// Some relays (e.g., aode-relay) deliver posts by boosting them as
// Announce activities. In that case, user is the relay's actor.
const boostedByRelay = relays
.map((relay) => new URL(relay.inbox).host)
.includes(note.userHost);
if (boostedByRelay && data.renote) {
// Use Redis transaction for atomicity
const key = `publishedNote:${data.renote.id}`;
await redisClient.watch(key);
const exists = await redisClient.exists(key);
if (exists === 0) {
// Start the transaction
const transaction = redisClient.multi();
transaction.set(key, 1, "EX", 30);
// Execute the transaction
await transaction.exec((err, _replies) => {
// Publish after setting the key in Redis
if (!err && boostedByRelay && data.renote) {
publishNotesStream(data.renote);
}
});
} else {
// Abort the transaction
redisClient.unwatch();
}
} else {
// Abort the transaction
redisClient.unwatch();
}
} else if (!boostedByRelay && note.uri) {
// Use Redis transaction for atomicity
await redisClient.watch(`publishedNote:${note.uri}`);
const exists = await redisClient.exists(`publishedNote:${note.uri}`);
if (exists === 0) {
// Start the transaction
const transaction = redisClient.multi();
const key = `publishedNote:${note.uri}`;
transaction.set(key, 1, "EX", 30);
// Execute the transaction
transaction.exec((err, replies) => {
// Publish after setting the key in Redis
if (!err) {
publishNotesStream(note);
// Use Redis transaction for atomicity
const key = `publishedNote:${note.id}`;
await redisClient.watch(key);
const exists = await redisClient.exists(key);
if (exists === 0) {
// Start the transaction
const transaction = redisClient.multi();
transaction.set(key, 1, "EX", 30);
if (note.renoteId) {
// Prevent other threads from publishing this boosting post
transaction.set(`publishedNote:${note.renoteId}`, 1, "EX", 30);
}
});
} else {
// Abort the transaction
redisClient.unwatch();
// Execute the transaction
await transaction.exec((err, _replies) => {
// Publish after setting the key in Redis
if (!err) {
publishNotesStream(note);
}
});
} else {
// Abort the transaction
redisClient.unwatch();
}
}
}
}