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feat: passkey support (#11804)

Browse source 
https://github.com/MisskeyIO/misskey/pull/149
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syuilo 2023-09-08 14:05:03 +09:00 • committed by GitHub
parent bc52d7a4fb
commit ff9a65e8fa
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30 changed files with 800 additions and 1028 deletions
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137
packages/backend/src/server/api/endpoints/i/2fa/key-done.ts
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@ -3,155 +3,86 @@
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { promisify } from 'node:util';
import bcrypt from 'bcryptjs';
import cbor from 'cbor';
import { Inject, Injectable } from '@nestjs/common';
import { Endpoint } from '@/server/api/endpoint-base.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import type { Config } from '@/config.js';
import { DI } from '@/di-symbols.js';
import { GlobalEventService } from '@/core/GlobalEventService.js';
import { TwoFactorAuthenticationService } from '@/core/TwoFactorAuthenticationService.js';
import type { AttestationChallengesRepository, UserProfilesRepository, UserSecurityKeysRepository } from '@/models/index.js';
const cborDecodeFirst = promisify(cbor.decodeFirst) as any;
import type { UserProfilesRepository, UserSecurityKeysRepository } from '@/models/index.js';
import { WebAuthnService } from '@/core/WebAuthnService.js';
import { ApiError } from '@/server/api/error.js';
export const meta = {
requireCredential: true,
secure: true,
errors: {
incorrectPassword: {
message: 'Incorrect password.',
code: 'INCORRECT_PASSWORD',
id: '0d7ec6d2-e652-443e-a7bf-9ee9a0cd77b0',
},
twoFactorNotEnabled: {
message: '2fa not enabled.',
code: 'TWO_FACTOR_NOT_ENABLED',
id: '798d6847-b1ed-4f9c-b1f9-163c42655995',
},
},
} as const;
export const paramDef = {
type: 'object',
properties: {
clientDataJSON: { type: 'string' },
attestationObject: { type: 'string' },
password: { type: 'string' },
challengeId: { type: 'string' },
name: { type: 'string', minLength: 1, maxLength: 30 },
credential: { type: 'object' },
},
required: ['clientDataJSON', 'attestationObject', 'password', 'challengeId', 'name'],
required: ['password', 'name', 'credential'],
} as const;
// eslint-disable-next-line import/no-default-export
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
export default class extends Endpoint<typeof meta, typeof paramDef> {
constructor(
@Inject(DI.config)
private config: Config,
@Inject(DI.userProfilesRepository)
private userProfilesRepository: UserProfilesRepository,
@Inject(DI.userSecurityKeysRepository)
private userSecurityKeysRepository: UserSecurityKeysRepository,
@Inject(DI.attestationChallengesRepository)
private attestationChallengesRepository: AttestationChallengesRepository,
private webAuthnService: WebAuthnService,
private userEntityService: UserEntityService,
private globalEventService: GlobalEventService,
private twoFactorAuthenticationService: TwoFactorAuthenticationService,
) {
super(meta, paramDef, async (ps, me) => {
const rpIdHashReal = this.twoFactorAuthenticationService.hash(Buffer.from(this.config.hostname, 'utf-8'));
const profile = await this.userProfilesRepository.findOneByOrFail({ userId: me.id });
// Compare password
const same = await bcrypt.compare(ps.password, profile.password!);
const same = await bcrypt.compare(ps.password, profile.password ?? '');
if (!same) {
throw new Error('incorrect password');
throw new ApiError(meta.errors.incorrectPassword);
}
if (!profile.twoFactorEnabled) {
throw new Error('2fa not enabled');
throw new ApiError(meta.errors.twoFactorNotEnabled);
}
const clientData = JSON.parse(ps.clientDataJSON);
if (clientData.type !== 'webauthn.create') {
throw new Error('not a creation attestation');
}
if (clientData.origin !== this.config.scheme + '://' + this.config.host) {
throw new Error('origin mismatch');
}
const clientDataJSONHash = this.twoFactorAuthenticationService.hash(Buffer.from(ps.clientDataJSON, 'utf-8'));
const attestation = await cborDecodeFirst(ps.attestationObject);
const rpIdHash = attestation.authData.slice(0, 32);
if (!rpIdHashReal.equals(rpIdHash)) {
throw new Error('rpIdHash mismatch');
}
const flags = attestation.authData[32];
// eslint:disable-next-line:no-bitwise
if (!(flags & 1)) {
throw new Error('user not present');
}
const authData = Buffer.from(attestation.authData);
const credentialIdLength = authData.readUInt16BE(53);
const credentialId = authData.slice(55, 55 + credentialIdLength);
const publicKeyData = authData.slice(55 + credentialIdLength);
const publicKey: Map<number, any> = await cborDecodeFirst(publicKeyData);
if (publicKey.get(3) !== -7) {
throw new Error('alg mismatch');
}
const procedures = this.twoFactorAuthenticationService.getProcedures();
if (!(procedures as any)[attestation.fmt]) {
throw new Error(`unsupported fmt: ${attestation.fmt}. Supported ones: ${Object.keys(procedures)}`);
}
const verificationData = (procedures as any)[attestation.fmt].verify({
attStmt: attestation.attStmt,
authenticatorData: authData,
clientDataHash: clientDataJSONHash,
credentialId,
publicKey,
rpIdHash,
});
if (!verificationData.valid) throw new Error('signature invalid');
const attestationChallenge = await this.attestationChallengesRepository.findOneBy({
userId: me.id,
id: ps.challengeId,
registrationChallenge: true,
challenge: this.twoFactorAuthenticationService.hash(clientData.challenge).toString('hex'),
});
if (!attestationChallenge) {
throw new Error('non-existent challenge');
}
await this.attestationChallengesRepository.delete({
userId: me.id,
id: ps.challengeId,
});
// Expired challenge (> 5min old)
if (
new Date().getTime() - attestationChallenge.createdAt.getTime() >=
5 * 60 * 1000
) {
throw new Error('expired challenge');
}
const credentialIdString = credentialId.toString('hex');
const keyInfo = await this.webAuthnService.verifyRegistration(me.id, ps.credential);
const credentialId = Buffer.from(keyInfo.credentialID).toString('base64url');
await this.userSecurityKeysRepository.insert({
id: credentialId,
userId: me.id,
id: credentialIdString,
lastUsed: new Date(),
name: ps.name,
publicKey: verificationData.publicKey.toString('hex'),
publicKey: Buffer.from(keyInfo.credentialPublicKey).toString('base64url'),
counter: keyInfo.counter,
credentialDeviceType: keyInfo.credentialDeviceType,
credentialBackedUp: keyInfo.credentialBackedUp,
transports: keyInfo.transports,
});
// Publish meUpdated event
@ -161,7 +92,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
}));
return {
id: credentialIdString,
id: credentialId,
name: ps.name,
};
});