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feat: working remote sign for authenticator
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| import { Point, secp256k1 } from "@tkey/common-types"; | ||
| import { generatePrivateBN } from "@tkey/core"; | ||
| import { post } from "@toruslabs/http-helpers"; | ||
| import { keccak256 } from "@toruslabs/metadata-helpers"; | ||
| import BN from "bn.js"; | ||
| import base32 from "hi-base32"; | ||
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| import { WEB3AUTH_NETWORK_TYPE, Web3AuthMPCCoreKit } from "../"; | ||
| import { IRemoteClientState } from "./remoteSignInterfaces"; | ||
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| // todo, to replace with ICorekit | ||
| export function registerAuthenticatorService(_params: { backendUrl: string; secret: string; corekitInstance: Web3AuthMPCCoreKit }) { | ||
| // corekitInstance create factor | ||
| // sign secret with the corekit | ||
| // AuthenticatorService register | ||
| } | ||
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| // generate secret key for authenticator | ||
| export function generateSecretKey(): string { | ||
| const key = generatePrivateBN().toArray().slice(0, 20); | ||
| return base32.encode(key).toString().replace(/=/g, ""); | ||
| } | ||
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| export class AuthenticatorService { | ||
| public factorKey?: BN; | ||
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| // publickey | ||
| public factorPub?: string; | ||
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| private backendUrl: string; | ||
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| private web3authNetwork: WEB3AUTH_NETWORK_TYPE; | ||
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| private metadataUrl?: string; | ||
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| constructor(params: { backendUrl: string; web3authNetwork: WEB3AUTH_NETWORK_TYPE; overrideMetadataUrl?: string }) { | ||
| const { backendUrl } = params; | ||
| this.backendUrl = backendUrl; | ||
| this.web3authNetwork = params.web3authNetwork; | ||
| this.metadataUrl = params.overrideMetadataUrl; | ||
| } | ||
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| async register(secretKey: string, factorKey: string): Promise<{ success: boolean; message?: string }> { | ||
| // get pubkey | ||
| const privKeyPair = secp256k1.keyFromPrivate(factorKey); | ||
| const pubKey = privKeyPair.getPublic(); | ||
| const point = Point.fromElliptic(pubKey); | ||
| // sign secret | ||
| const sig = secp256k1.sign(keccak256(Buffer.from(secretKey, "utf8")), privKeyPair.getPrivate().toBuffer()); | ||
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| const data = { | ||
| address: point.toSEC1(secp256k1, true).toString("hex"), | ||
| sig: { | ||
| r: sig.r.toString("hex").padStart(64, "0"), | ||
| s: sig.s.toString("hex").padStart(64, "0"), | ||
| v: new BN(sig.recoveryParam).toString(16, 2), | ||
| }, | ||
| secretKey, | ||
| }; | ||
|
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| const resp = await post<{ | ||
| success: boolean; | ||
| message: string; | ||
| }>(`${this.backendUrl}/api/v3/register`, data); | ||
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| this.factorKey = new BN(factorKey, "hex"); | ||
| this.factorPub = point.toSEC1(secp256k1, true).toString("hex"); | ||
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| return resp; | ||
| } | ||
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| async verifyRegistration(code: string) { | ||
| if (!this.factorKey) throw new Error("factorKey is not defined"); | ||
| if (!this.factorPub) throw new Error("address is not defined"); | ||
| if (!code) throw new Error("code is not defined"); | ||
|
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| const data = { | ||
| address: this.factorPub.replaceAll("0x", ""), | ||
| code, | ||
| data: { | ||
| // If the verification is complete, we save the factorKey for the user address. | ||
| // This factorKey is used to verify the user in the future on a new device and recover tss share. | ||
| factorKey: this.factorKey.toString(16, 64), | ||
| }, | ||
| }; | ||
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| await post(`${this.backendUrl}/api/v3/verify`, data); | ||
| } | ||
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| // Verify the mfa code and return the factorKey | ||
| async verifyAuthenticatorRecovery(factorPub: string, code: string): Promise<BN | undefined> { | ||
| const verificationData = { | ||
| address: factorPub, | ||
| code, | ||
| }; | ||
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| const response = await post<{ data?: Record<string, string> }>(`${this.backendUrl}/api/v3/verify`, verificationData); | ||
| const { data } = response; | ||
| return data ? new BN(data.factorKey, "hex") : undefined; | ||
| } | ||
|
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| // verify the mfa code and return the remote client setyp params | ||
| async verifyRemoteSetup(factorPub: string, code: string): Promise<Omit<IRemoteClientState, "tssShareIndex">> { | ||
| const verificationData = { | ||
| address: factorPub, | ||
| code, | ||
| web3authNetwork: this.web3authNetwork, | ||
| metadataUrl: this.metadataUrl, | ||
| }; | ||
|
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| const response = await post<{ data?: Record<string, string> }>(`${this.backendUrl}/api/v3/verify_remote`, verificationData); | ||
| const { data } = response; | ||
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| return { | ||
| remoteClientUrl: this.backendUrl, | ||
| remoteFactorPub: data.factorPub, | ||
| metadataShare: data.metadataShare, | ||
| remoteClientToken: data.signature, | ||
| }; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| import { ShareDescriptionMap } from "@tkey/common-types"; | ||
| import log from "loglevel"; | ||
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| import { RemoteFactorType } from "./remoteSignInterfaces"; | ||
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| export * from "./authenticator"; | ||
| export * from "./remoteSignInterfaces"; | ||
| export * from "./smsOtp"; | ||
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| export function getFactorDetailsAndDescriptions(shareDescriptions: ShareDescriptionMap, factorType: RemoteFactorType) { | ||
| const arrayOfDescriptions = Object.entries(shareDescriptions).map(([key, value]) => { | ||
| const parsedDescription = (value || [])[0] ? JSON.parse(value[0]) : {}; | ||
| return { | ||
| key, | ||
| description: parsedDescription, | ||
| }; | ||
| }); | ||
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| const shareDescriptionsMobile = arrayOfDescriptions.find(({ description }) => description.authenticator === factorType); | ||
| log.info("shareDescriptionsMobile", shareDescriptionsMobile); | ||
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| return { shareDescriptionsMobile, factorPub: shareDescriptionsMobile?.key, tssIndex: shareDescriptionsMobile?.description.tssShareIndex }; | ||
| } |
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