squid-js/src/ocean/OceanSecretStore.ts

import Account from "./Account"
import { noDidPrefixed } from "../utils"
import { File } from "../ddo/MetaData"
import { Instantiable, InstantiableConfig } from "../Instantiable.abstract"

/**
 * SecretStore submodule of Ocean Protocol.
 */
export class OceanSecretStore extends Instantiable {

    /**
     * Returns the instance of OceanSecretStore.
     * @return {Promise<OceanSecretStore>}
     */
    public static async getInstance(config: InstantiableConfig): Promise<OceanSecretStore> {
        const instance = new OceanSecretStore()
        instance.setInstanceConfig(config)

        return instance
    }

    /**
     * Encrypt the given text and store the encryption keys using the `did`.
     * The encrypted text can be decrypted using the same keys identified by the `did`.
     * @param  {string}          did       Decentralized ID.
     * @param  {string}          content   Content to be encrypted.
     * @param  {string}          publisher Publisher account.
     * @return {Promise<string>}           Encrypted text.
     */
    public async encrypt(did: string, document: any, publisher: Account): Promise<string> {
        const signedDid = await this.ocean.utils.signature.signText(noDidPrefixed(did), publisher.getId(), publisher.getPassword())

        return await this.ocean.brizo.encrypt(noDidPrefixed(did), signedDid, document, publisher.getId())
    }
}