@storacha/encrypt-upload-client/dist/utils.js

Client for upload and download encrypted files

import { DID } from '@ucanto/server';
import * as dagJSON from '@ipld/dag-json';
import * as Space from '@storacha/capabilities/space';
import * as Type from './types.js';
/**
 *
 * @param {Type.CreateDecryptWrappedInvocationOptions} param0
 */
export const createDecryptWrappedInvocation = async ({ decryptDelegation, issuer, spaceDID, resourceCID, audience, expiration, }) => {
    if (!decryptDelegation) {
        throw new Error('Decrypt delegation is required');
    }
    const invocationOptions = {
        issuer,
        audience: DID.parse(audience),
        with: spaceDID,
        nb: {
            resource: resourceCID,
        },
        expiration: expiration,
        proofs: [decryptDelegation],
    };
    const decryptWrappedInvocation = await Space.decrypt
        .invoke(invocationOptions)
        .delegate();
    const carEncoded = await decryptWrappedInvocation.archive();
    if (carEncoded.error) {
        throw carEncoded.error;
    }
    return dagJSON.stringify(carEncoded.ok);
};
/**
 *
 * @param {string} str
 * @returns {Uint8Array}
 */
export function stringToBytes(str) {
    return new TextEncoder().encode(str);
}
/**
 *
 * @param {Uint8Array} bytes
 * @returns {string}
 */
export function bytesToString(bytes) {
    return new TextDecoder().decode(bytes);
}
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