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This commit is contained in:
tamaina 2024-07-18 00:24:47 +09:00
parent 99113d59f4
commit c00b61e90b
1 changed files with 24 additions and 8 deletions
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32
packages/backend/src/core/activitypub/ApDbResolverService.ts
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@ -146,9 +146,10 @@ export class ApDbResolverService implements OnApplicationShutdown {
* @param uri AP Actor id
* @param keyId Key id to find. If not specified, main key will be selected.
* @returns
* 1. ユーザーとキーのホストが一致しない場合`null`
* 2. userが見つからない場合`{ user: null, key: null }`
* 3. keyが見つからない場合`{ user, key: null }`
* 1. `null` if the user and key host do not match
* 2. `{ user: null, key: null }` if the user is not found
* 3. `{ user: MiRemoteUser, key: null }` if key is not found
* 4. `{ user: MiRemoteUser, key: MiUserPublickey }` if both are found
*/
@bindThis
public async getAuthUserFromApId(uri: string, keyId?: string): Promise<{
@ -165,11 +166,21 @@ export class ApDbResolverService implements OnApplicationShutdown {
* keyIdはURL形式かつkeyIdのホストはuriのホストと一致するはず
* （ApPersonService.validateActorに由来）
*
* ただ、Mastodonはリプライ関連で他人のノートをHTTP Signature署名して送ってくることがある
* ただ、Mastodonはリプライ関連で他人のトゥートをHTTP Signature署名して送ってくることがある
* そのような署名は有効性に疑問があるので無視することにする
* ここではuriとkeyIdのホストが一致しない場合は無視する
* ハッシュをなくしたkeyIdとuriの同一性を比べてみてもいいが、`uri#*-key`というkeyIdを設定するのが
* 決まりごとというわけでもないため幅を持たせることにする
*
*
* The keyId should be in URL format and its host should match the host of the uri
* (derived from ApPersonService.validateActor)
*
* However, Mastodon sometimes sends toots from other users with HTTP Signature signing for reply-related purposes
* Such signatures are of questionable validity, so we choose to ignore them
* Here, we ignore cases where the hosts of uri and keyId do not match
* We could also compare the equality of keyId without the hash and uri, but since setting a keyId like `uri#*-key`
* is not a strict rule, we decide to allow for some flexibility
*/
this.logger.warn(`actor uri and keyId are not matched uri=${uri} keyId=${keyId}`);
return null;
@ -187,7 +198,7 @@ export class ApDbResolverService implements OnApplicationShutdown {
}
if (!keyId) {
// mainっぽいのを選ぶ
// Choose the main-like
const mainKey = keys.find(x => {
try {
const url = new URL(x.keyId);
@ -209,15 +220,20 @@ export class ApDbResolverService implements OnApplicationShutdown {
const exactKey = keys.find(x => x.keyId === keyId);
if (exactKey) return { user, key: exactKey };
// keyIdで見つからない場合
// まずはキャッシュを更新して再取得
/**
* keyIdで見つからない場合、まずはキャッシュを更新して再取得
* If not found with keyId, update cache and reacquire
*/
const cacheRaw = this.publicKeyByUserIdCache.cache.get(user.id);
if (cacheRaw && cacheRaw.date > Date.now() - 1000 * 60 * 12) {
const exactKey = await this.refreshAndFindKey(user.id, keyId);
if (exactKey) return { user, key: exactKey };
}
// lastFetchedAtでの更新制限を弱めて再取得
/**
* lastFetchedAtでの更新制限を弱めて再取得
* Reacquisition with weakened update limit at lastFetchedAt
*/
if (user.lastFetchedAt == null || user.lastFetchedAt < new Date(Date.now() - 1000 * 60 * 12)) {
this.logger.info(`Fetching user to find public key uri=${uri} userId=${user.id} keyId=${keyId}`);
const renewed = await this.apPersonService.fetchPersonWithRenewal(uri, 0);