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56 lines
1.7 KiB
TypeScript
56 lines
1.7 KiB
TypeScript
import { getSodiumRenderer } from '../../crypto';
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import { UserUtils, StringUtils } from '../../utils';
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import { fromHexToArray, fromUInt8ArrayToBase64 } from '../../utils/String';
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import { GetNetworkTime } from './getNetworkTime';
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export type SnodeSignatureResult = {
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timestamp: number;
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signature: string;
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pubkey_ed25519: string;
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namespace: number;
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};
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async function getSnodeSignatureParams(params: {
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pubkey: string;
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namespace: number;
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ourPubkey: string;
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method: 'retrieve' | 'store';
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}): Promise<SnodeSignatureResult> {
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const ourEd25519Key = await UserUtils.getUserED25519KeyPair();
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if (!ourEd25519Key) {
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const err = `getSnodeSignatureParams "${params.method}": User has no getUserED25519KeyPair()`;
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window.log.warn(err);
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throw new Error(err);
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}
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const namespace = params.namespace || 0;
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const edKeyPrivBytes = fromHexToArray(ourEd25519Key?.privKey);
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const signatureTimestamp = GetNetworkTime.getNowWithNetworkOffset();
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const verificationData =
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namespace === 0
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? StringUtils.encode(`${params.method}${signatureTimestamp}`, 'utf8')
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: StringUtils.encode(`${params.method}${namespace}${signatureTimestamp}`, 'utf8');
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const message = new Uint8Array(verificationData);
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const sodium = await getSodiumRenderer();
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try {
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const signature = sodium.crypto_sign_detached(message, edKeyPrivBytes);
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const signatureBase64 = fromUInt8ArrayToBase64(signature);
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return {
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timestamp: signatureTimestamp,
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signature: signatureBase64,
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pubkey_ed25519: ourEd25519Key.pubKey,
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namespace,
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};
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} catch (e) {
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window.log.warn('getSnodeSignatureParams failed with: ', e.message);
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throw e;
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}
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}
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export const SnodeSignature = { getSnodeSignatureParams };
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