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remove sign additionalPublicKeys signature requirements

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This commit is contained in:
tamaina 2024-02-27 03:33:50 +00:00
parent 437e69cfc4
commit 9705ec4a47
8 changed files with 13 additions and 81 deletions
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4
packages/backend/migration/1708980134301-APMultipleKeys.js
View file

@ -10,8 +10,6 @@ export class APMultipleKeys1708980134301 {
await queryRunner.query(`DROP INDEX "public"."IDX_171e64971c780ebd23fae140bb"`);
await queryRunner.query(`ALTER TABLE "user_keypair" ADD "ed25519PublicKey" character varying(128)`);
await queryRunner.query(`ALTER TABLE "user_keypair" ADD "ed25519PrivateKey" character varying(128)`);
await queryRunner.query(`ALTER TABLE "user_keypair" ADD "ed25519PublicKeySignature" character varying(720)`);
await queryRunner.query(`ALTER TABLE "user_keypair" ADD "ed25519SignatureAlgorithm" character varying(32)`);
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "FK_10c146e4b39b443ede016f6736d"`);
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "PK_10c146e4b39b443ede016f6736d"`);
await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "PK_0db6a5fdb992323449edc8ee421" PRIMARY KEY ("userId", "keyId")`);
@ -34,8 +32,6 @@ export class APMultipleKeys1708980134301 {
await queryRunner.query(`ALTER TABLE "user_profile" ALTER COLUMN "followersVisibility" DROP DEFAULT`);
await queryRunner.query(`ALTER TABLE "user_profile" ALTER COLUMN "followersVisibility" TYPE "public"."user_profile_followersVisibility_enum_old" USING "followersVisibility"::"text"::"public"."user_profile_followersVisibility_enum_old"`);
await queryRunner.query(`ALTER TABLE "user_profile" ALTER COLUMN "followersVisibility" SET DEFAULT 'public'`);
await queryRunner.query(`ALTER TABLE "user_keypair" DROP COLUMN "ed25519SignatureAlgorithm"`);
await queryRunner.query(`ALTER TABLE "user_keypair" DROP COLUMN "ed25519PublicKeySignature"`);
await queryRunner.query(`ALTER TABLE "user_keypair" DROP COLUMN "ed25519PrivateKey"`);
await queryRunner.query(`ALTER TABLE "user_keypair" DROP COLUMN "ed25519PublicKey"`);
await queryRunner.query(`CREATE UNIQUE INDEX "IDX_171e64971c780ebd23fae140bb" ON "user_publickey" ("keyId") `);

6
packages/backend/src/core/UserKeypairService.ts
View file

@ -3,7 +3,6 @@
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { sign } from 'node:crypto';
import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
import * as Redis from 'ioredis';
import type { MiUser } from '@/models/User.js';
@ -12,7 +11,7 @@ import { RedisKVCache } from '@/misc/cache.js';
import type { MiUserKeypair } from '@/models/UserKeypair.js';
import { DI } from '@/di-symbols.js';
import { bindThis } from '@/decorators.js';
import { ED25519_PUBLIC_KEY_SIGNATURE_ALGORITHM, genEd25519KeyPair } from '@/misc/gen-key-pair.js';
import { genEd25519KeyPair } from '@/misc/gen-key-pair.js';
import { GlobalEventService, GlobalEvents } from '@/core/GlobalEventService.js';
@Injectable()
@ -56,12 +55,9 @@ export class UserKeypairService implements OnApplicationShutdown {
const keypair = await this.cache.fetch(userId);
if (keypair.ed25519PublicKey != null) return;
const ed25519 = await genEd25519KeyPair();
const ed25519PublicKeySignature = sign(ED25519_PUBLIC_KEY_SIGNATURE_ALGORITHM, Buffer.from(ed25519.publicKey), keypair.privateKey).toString('base64');
await this.userKeypairsRepository.update({ userId }, {
ed25519PublicKey: ed25519.publicKey,
ed25519PrivateKey: ed25519.privateKey,
ed25519PublicKeySignature,
ed25519SignatureAlgorithm: `rsa-${ED25519_PUBLIC_KEY_SIGNATURE_ALGORITHM}`,
});
this.globalEventService.publishInternalEvent('userKeypairUpdated', { userId });
}

5
packages/backend/src/core/activitypub/ApRendererService.ts
View file

@ -250,7 +250,7 @@ export class ApRendererService {
}
@bindThis
public renderKey(user: MiLocalUser, publicKey: string, postfix?: string, signature?: IKey['signature']): IKey {
public renderKey(user: MiLocalUser, publicKey: string, postfix?: string): IKey {
return {
id: `${this.config.url}/users/${user.id}${postfix ?? '/publickey'}`,
type: 'Key',
@ -259,7 +259,6 @@ export class ApRendererService {
type: 'spki',
format: 'pem',
}) as string,
signature,
};
}
@ -501,7 +500,7 @@ export class ApRendererService {
discoverable: user.isExplorable,
publicKey: this.renderKey(user, keypair.publicKey, '#main-key'),
additionalPublicKeys: [
...(keypair.ed25519PublicKey ? [this.renderKey(user, keypair.ed25519PublicKey, '#ed25519-key', { signatureAlgorithm: keypair.ed25519SignatureAlgorithm!, signatureValue: keypair.ed25519PublicKeySignature! })] : []),
...(keypair.ed25519PublicKey ? [this.renderKey(user, keypair.ed25519PublicKey, '#ed25519-key')] : []),
],
isCat: user.isCat,
attachment: attachment.length ? attachment : undefined,

40
packages/backend/src/core/activitypub/models/ApPersonService.ts
View file

@ -212,16 +212,6 @@ export class ApPersonService implements OnModuleInit {
if (keyIdHost !== expectHost) {
throw new Error('invalid Actor: additionalPublicKeys.id has different host');
}
if (!key.signature) {
throw new Error('invalid Actor: additionalPublicKeys.signature is not set');
}
if (typeof key.signature.signatureAlgorithm !== 'string') {
throw new Error('invalid Actor: additionalPublicKeys.signature.signatureAlgorithm is not a string');
}
if (typeof key.signature.signatureValue !== 'string') {
throw new Error('invalid Actor: additionalPublicKeys.signature.signatureValue is not a string');
}
}
}
@ -396,16 +386,11 @@ export class ApPersonService implements OnModuleInit {
if (person.additionalPublicKeys) {
for (const key of person.additionalPublicKeys) {
if (
key.signature && key.signature.signatureAlgorithm && key.signature.signatureValue &&
verify(key.signature.signatureAlgorithm, Buffer.from(key.publicKeyPem), person.publicKey.publicKeyPem, Buffer.from(key.signature.signatureValue, 'base64'))
) {
await transactionalEntityManager.save(new MiUserPublickey({
keyId: key.id,
userId: user.id,
keyPem: key.publicKeyPem,
}));
}
await transactionalEntityManager.save(new MiUserPublickey({
keyId: key.id,
userId: user.id,
keyPem: key.publicKeyPem,
}));
}
}
}
@ -563,16 +548,11 @@ export class ApPersonService implements OnModuleInit {
if (person.additionalPublicKeys) {
for (const key of person.additionalPublicKeys) {
if (
key.signature && key.signature.signatureAlgorithm && key.signature.signatureValue &&
verify(key.signature.signatureAlgorithm, Buffer.from(key.publicKeyPem), person.publicKey.publicKeyPem, Buffer.from(key.signature.signatureValue, 'base64'))
) {
await this.userPublickeysRepository.update({ keyId: key.id }, {
userId: exist.id,
keyPem: key.publicKeyPem,
});
availablePublicKeys.add(key.id);
}
await this.userPublickeysRepository.update({ keyId: key.id }, {
userId: exist.id,
keyPem: key.publicKeyPem,
});
availablePublicKeys.add(key.id);
}
}
}

8
packages/backend/src/core/activitypub/type.ts
View file

@ -236,14 +236,6 @@ export interface IKey extends IObject {
id: string;
owner: string;
publicKeyPem: string;
/**
* Signature of publicKeyPem, signed by root privateKey (for additionalPublicKey)
*/
signature?: {
signatureAlgorithm: string;
signatureValue: string
};
}
export interface IApDocument extends IObject {

5
packages/backend/src/misc/gen-key-pair.ts
View file

@ -8,8 +8,6 @@ import * as util from 'node:util';
const generateKeyPair = util.promisify(crypto.generateKeyPair);
export const ED25519_PUBLIC_KEY_SIGNATURE_ALGORITHM = 'sha256';
export async function genRsaKeyPair(modulusLength = 4096) {
return await generateKeyPair('rsa', {
modulusLength,
@ -44,13 +42,10 @@ export async function genEd25519KeyPair() {
export async function genRSAAndEd25519KeyPair(rsaModulusLength = 4096) {
const rsa = await genRsaKeyPair(rsaModulusLength);
const ed25519 = await genEd25519KeyPair();
const ed25519PublicKeySignature = crypto.sign(ED25519_PUBLIC_KEY_SIGNATURE_ALGORITHM, Buffer.from(ed25519.publicKey), rsa.privateKey).toString('base64');
return {
publicKey: rsa.publicKey,
privateKey: rsa.privateKey,
ed25519PublicKey: ed25519.publicKey,
ed25519PrivateKey: ed25519.privateKey,
ed25519PublicKeySignature,
ed25519SignatureAlgorithm: `rsa-${ED25519_PUBLIC_KEY_SIGNATURE_ALGORITHM}`,
};
}

20
packages/backend/src/models/UserKeypair.ts
View file

@ -48,26 +48,6 @@ export class MiUserKeypair {
})
public ed25519PrivateKey: string | null;
/**
* Signature of ed25519PublicKey, signed by privateKey. (base64)
*/
@Column('varchar', {
length: 720,
nullable: true,
default: null,
})
public ed25519PublicKeySignature: string | null;
/**
* Signature algorithm of ed25519PublicKeySignature.
*/
@Column('varchar', {
length: 32,
nullable: true,
default: null,
})
public ed25519SignatureAlgorithm: string | null;
constructor(data: Partial<MiUserKeypair>) {
if (data == null) return;

6
packages/backend/test/unit/misc/gen-key-pair.ts
View file

@ -29,12 +29,6 @@ describe(genRSAAndEd25519KeyPair, () => {
expect(keyPair.ed25519PrivateKey).toMatch(/^-----BEGIN PRIVATE KEY-----/);
expect(keyPair.ed25519PrivateKey).toMatch(/-----END PRIVATE KEY-----\n$/);
expect(keyPair.ed25519PrivateKey).not.toBe(keyPair2.ed25519PrivateKey);
expect(keyPair.ed25519PublicKeySignature).toBe(
crypto.sign(keyPair.ed25519SignatureAlgorithm.split('-').pop(), Buffer.from(keyPair.ed25519PublicKey), keyPair.privateKey).toString('base64'),
);
expect(crypto.verify(keyPair.ed25519SignatureAlgorithm, Buffer.from(keyPair.ed25519PublicKey), keyPair.publicKey, Buffer.from(keyPair.ed25519PublicKeySignature, 'base64'))).toBe(true);
expect(keyPair.ed25519PublicKeySignature).not.toBe(keyPair2.ed25519PublicKeySignature);
//const imported = await webCrypto.subtle.importKey('spki', Buffer.from(keyPair.publicKey).buffer, { name: 'rsa-pss', hash: 'sha-256' }, false, ['verify']);
});
});