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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | 2x 2x 2x 1x 1x 1x 1x 2x 1x 2x | import { decodeToken, decryptECIES } from 'micro-stacks/crypto'; import { hexToJSON } from 'micro-stacks/common'; import type { AuthResponsePayload, StacksSessionState } from './types'; export function getDIDType(decentralizedID: string) { const didParts = decentralizedID.split(':'); Iif (didParts.length !== 3) throw new TypeError('Decentralized IDs must have 3 parts'); Iif (didParts[0].toLowerCase() !== 'did') throw new TypeError('Decentralized IDs must start with "did"'); return didParts[1].toLowerCase(); } export function getAddressFromDID(decentralizedID: string): string | undefined { return decentralizedID && getDIDType(decentralizedID) === 'btc-addr' ? decentralizedID.split(':')[2] : undefined; } export async function decodeAuthResponse( authResponseToken: string, transitPrivateKey: string ): Promise<StacksSessionState> { const token = decodeToken(authResponseToken); const payload = token?.payload; const authResponse = payload as unknown as AuthResponsePayload; let appPrivateKey; Iif (authResponse.private_key) { try { const cipherObject = hexToJSON(authResponse.private_key); appPrivateKey = (await decryptECIES({ privateKey: transitPrivateKey, cipherObject, })) as string; } catch (e) { console.error('[micro-stacks] failed to decrypt appPrivateKey'); } } const sessionState: StacksSessionState = { addresses: authResponse.profile.stxAddress, appPrivateKey, associationToken: authResponse.associationToken, hubUrl: authResponse.hubUrl, public_keys: authResponse.public_keys, profile: authResponse['profile'], profile_url: authResponse.profile_url, username: authResponse.username, version: authResponse.version, decentralizedID: authResponse.iss, identityAddress: getAddressFromDID(authResponse.iss), }; return sessionState; } |