"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.PublisherKeyExchange = void 0;
const protocol_1 = require("@streamr/protocol");
const trackerless_network_1 = require("@streamr/trackerless-network");
const utils_1 = require("@streamr/utils");
const without_1 = __importDefault(require("lodash/without"));
const tsyringe_1 = require("tsyringe");
const Authentication_1 = require("../Authentication");
const NetworkNodeFacade_1 = require("../NetworkNodeFacade");
const MessageFactory_1 = require("../publish/MessageFactory");
const messageChain_1 = require("../publish/messageChain");
const StreamRegistry_1 = require("../contracts/StreamRegistry");
const LoggerFactory_1 = require("../utils/LoggerFactory");
const validateStreamMessage_1 = require("../utils/validateStreamMessage");
const EncryptionUtil_1 = require("./EncryptionUtil");
const LocalGroupKeyStore_1 = require("./LocalGroupKeyStore");
const ERC1271ContractFacade_1 = require("../contracts/ERC1271ContractFacade");
const events_1 = require("../events");
/*
 * Sends group key responses
 */
var ResponseType;
(function (ResponseType) {
    ResponseType[ResponseType["NONE"] = 0] = "NONE";
    ResponseType[ResponseType["NORMAL"] = 1] = "NORMAL";
    ResponseType[ResponseType["ERC_1271"] = 2] = "ERC_1271";
})(ResponseType || (ResponseType = {}));
const logger = new utils_1.Logger(module);
let PublisherKeyExchange = class PublisherKeyExchange {
    networkNodeFacade;
    streamRegistry;
    erc1271ContractFacade;
    store;
    authentication;
    logger;
    erc1271ContractAddresses = new Set();
    constructor(networkNodeFacade, streamRegistry, erc1271ContractFacade, store, authentication, eventEmitter, loggerFactory) {
        this.networkNodeFacade = networkNodeFacade;
        this.streamRegistry = streamRegistry;
        this.erc1271ContractFacade = erc1271ContractFacade;
        this.store = store;
        this.authentication = authentication;
        this.logger = loggerFactory.createLogger(module);
        networkNodeFacade.once('start', async () => {
            const node = await networkNodeFacade.getNode();
            node.addMessageListener((msg) => this.onMessage(msg));
            this.logger.debug('Started');
        });
        eventEmitter.on('publish', (msg) => {
            if (msg.signatureType === protocol_1.SignatureType.ERC_1271) {
                const address = msg.getPublisherId();
                if (!this.erc1271ContractAddresses.has(address)) {
                    logger.debug('Add ERC-1271 publisher', { address });
                    this.erc1271ContractAddresses.add(address);
                }
            }
        });
    }
    async onMessage(request) {
        if (protocol_1.GroupKeyRequest.is(request)) {
            try {
                const { recipient, requestId, rsaPublicKey, groupKeyIds } = (0, trackerless_network_1.convertBytesToGroupKeyRequest)(request.content);
                const responseType = await this.getResponseType(recipient);
                if (responseType !== ResponseType.NONE) {
                    this.logger.debug('Handling group key request', { requestId, responseType });
                    await (0, validateStreamMessage_1.validateStreamMessage)(request, this.streamRegistry, this.erc1271ContractFacade);
                    const authenticatedUser = await this.authentication.getAddress();
                    const keys = (0, without_1.default)(await Promise.all(groupKeyIds.map((id) => this.store.get(id, authenticatedUser))), undefined);
                    if (keys.length > 0) {
                        const response = await this.createResponse(keys, responseType, recipient, request.getStreamPartID(), rsaPublicKey, request.getPublisherId(), requestId);
                        const node = await this.networkNodeFacade.getNode();
                        await node.broadcast(response);
                        this.logger.debug('Handled group key request (found keys)', {
                            groupKeyIds: keys.map((k) => k.id).join(),
                            recipient: request.getPublisherId()
                        });
                    }
                    else {
                        this.logger.debug('Handled group key request (no keys found)', {
                            requestId,
                            recipient: request.getPublisherId()
                        });
                    }
                }
            }
            catch (err) {
                this.logger.debug('Failed to handle group key request', err);
            }
        }
    }
    async getResponseType(publisher) {
        const authenticatedUser = await this.authentication.getAddress();
        if (publisher === authenticatedUser) {
            return ResponseType.NORMAL;
        }
        else if (this.erc1271ContractAddresses.has(publisher)) {
            return ResponseType.ERC_1271;
        }
        else {
            return ResponseType.NONE;
        }
    }
    async createResponse(keys, responseType, publisher, streamPartId, rsaPublicKey, recipient, requestId) {
        const encryptedGroupKeys = await Promise.all(keys.map((key) => {
            const encryptedGroupKey = EncryptionUtil_1.EncryptionUtil.encryptWithRSAPublicKey(key.data, rsaPublicKey);
            return new protocol_1.EncryptedGroupKey(key.id, encryptedGroupKey);
        }));
        const responseContent = new protocol_1.GroupKeyResponse({
            recipient,
            requestId,
            encryptedGroupKeys
        });
        const response = (0, MessageFactory_1.createSignedMessage)({
            messageId: new protocol_1.MessageID(protocol_1.StreamPartIDUtils.getStreamID(streamPartId), protocol_1.StreamPartIDUtils.getStreamPartition(streamPartId), Date.now(), 0, publisher, (0, messageChain_1.createRandomMsgChainId)()),
            content: (0, trackerless_network_1.convertGroupKeyResponseToBytes)(responseContent),
            contentType: protocol_1.ContentType.BINARY,
            messageType: protocol_1.StreamMessageType.GROUP_KEY_RESPONSE,
            encryptionType: protocol_1.EncryptionType.NONE,
            authentication: this.authentication,
            signatureType: responseType === ResponseType.NORMAL ? protocol_1.SignatureType.SECP256K1 : protocol_1.SignatureType.ERC_1271,
        });
        return response;
    }
};
exports.PublisherKeyExchange = PublisherKeyExchange;
exports.PublisherKeyExchange = PublisherKeyExchange = __decorate([
    (0, tsyringe_1.scoped)(tsyringe_1.Lifecycle.ContainerScoped),
    __param(2, (0, tsyringe_1.inject)(ERC1271ContractFacade_1.ERC1271ContractFacade)),
    __param(4, (0, tsyringe_1.inject)(Authentication_1.AuthenticationInjectionToken)),
    __metadata("design:paramtypes", [NetworkNodeFacade_1.NetworkNodeFacade,
        StreamRegistry_1.StreamRegistry,
        ERC1271ContractFacade_1.ERC1271ContractFacade,
        LocalGroupKeyStore_1.LocalGroupKeyStore, Object, events_1.StreamrClientEventEmitter,
        LoggerFactory_1.LoggerFactory])
], PublisherKeyExchange);
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