"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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var __metadata = (this && this.__metadata) || function (k, v) {
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};
var __param = (this && this.__param) || function (paramIndex, decorator) {
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    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PublisherKeyExchange = void 0;
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 StreamRegistry_1 = require("../contracts/StreamRegistry");
const events_1 = require("../events");
const EncryptedGroupKey_1 = require("../protocol/EncryptedGroupKey");
const GroupKeyRequest_1 = require("../protocol/GroupKeyRequest");
const GroupKeyResponse_1 = require("../protocol/GroupKeyResponse");
const MessageID_1 = require("../protocol/MessageID");
const StreamMessage_1 = require("../protocol/StreamMessage");
const oldStreamMessageBinaryUtils_1 = require("../protocol/oldStreamMessageBinaryUtils");
const messageChain_1 = require("../publish/messageChain");
const MessageSigner_1 = require("../signature/MessageSigner");
const SignatureValidator_1 = require("../signature/SignatureValidator");
const LoggerFactory_1 = require("../utils/LoggerFactory");
const validateStreamMessage_1 = require("../utils/validateStreamMessage");
const EncryptionUtil_1 = require("./EncryptionUtil");
const LocalGroupKeyStore_1 = require("./LocalGroupKeyStore");
/*
 * 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;
    signatureValidator;
    messageSigner;
    store;
    authentication;
    logger;
    erc1271Publishers = new Set();
    constructor(networkNodeFacade, streamRegistry, signatureValidator, messageSigner, store, authentication, eventEmitter, loggerFactory) {
        this.networkNodeFacade = networkNodeFacade;
        this.streamRegistry = streamRegistry;
        this.signatureValidator = signatureValidator;
        this.messageSigner = messageSigner;
        this.store = store;
        this.authentication = authentication;
        this.logger = loggerFactory.createLogger(module);
        networkNodeFacade.once('start', async () => {
            networkNodeFacade.addMessageListener((msg) => this.onMessage(msg));
            this.logger.debug('Started');
        });
        eventEmitter.on('messagePublished', (msg) => {
            if (msg.signatureType === StreamMessage_1.SignatureType.ERC_1271) {
                const publisherId = msg.getPublisherId();
                if (!this.erc1271Publishers.has(publisherId)) {
                    logger.debug('Add ERC-1271 publisher', { publisherId });
                    this.erc1271Publishers.add(publisherId);
                }
            }
        });
    }
    async onMessage(request) {
        if (GroupKeyRequest_1.GroupKeyRequest.is(request)) {
            try {
                const { recipient, requestId, rsaPublicKey, groupKeyIds } = (0, oldStreamMessageBinaryUtils_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.signatureValidator);
                    const authenticatedUser = await this.authentication.getUserId();
                    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);
                        await this.networkNodeFacade.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(publisherId) {
        const authenticatedUser = await this.authentication.getUserId();
        if (publisherId === authenticatedUser) {
            return ResponseType.NORMAL;
        }
        else if (this.erc1271Publishers.has(publisherId)) {
            return ResponseType.ERC_1271;
        }
        else {
            return ResponseType.NONE;
        }
    }
    async createResponse(keys, responseType, publisherId, streamPartId, rsaPublicKey, recipientId, requestId) {
        const encryptedGroupKeys = await Promise.all(keys.map((key) => {
            const encryptedGroupKey = EncryptionUtil_1.EncryptionUtil.encryptWithRSAPublicKey(key.data, rsaPublicKey);
            return new EncryptedGroupKey_1.EncryptedGroupKey(key.id, encryptedGroupKey);
        }));
        const responseContent = new GroupKeyResponse_1.GroupKeyResponse({
            recipient: recipientId,
            requestId,
            encryptedGroupKeys
        });
        const response = this.messageSigner.createSignedMessage({
            messageId: new MessageID_1.MessageID(utils_1.StreamPartIDUtils.getStreamID(streamPartId), utils_1.StreamPartIDUtils.getStreamPartition(streamPartId), Date.now(), 0, publisherId, (0, messageChain_1.createRandomMsgChainId)()),
            content: (0, oldStreamMessageBinaryUtils_1.convertGroupKeyResponseToBytes)(responseContent),
            contentType: StreamMessage_1.ContentType.BINARY,
            messageType: StreamMessage_1.StreamMessageType.GROUP_KEY_RESPONSE,
            encryptionType: StreamMessage_1.EncryptionType.NONE,
        }, responseType === ResponseType.NORMAL ? StreamMessage_1.SignatureType.SECP256K1 : StreamMessage_1.SignatureType.ERC_1271);
        return response;
    }
};
exports.PublisherKeyExchange = PublisherKeyExchange;
exports.PublisherKeyExchange = PublisherKeyExchange = __decorate([
    (0, tsyringe_1.scoped)(tsyringe_1.Lifecycle.ContainerScoped),
    __param(5, (0, tsyringe_1.inject)(Authentication_1.AuthenticationInjectionToken)),
    __metadata("design:paramtypes", [NetworkNodeFacade_1.NetworkNodeFacade,
        StreamRegistry_1.StreamRegistry,
        SignatureValidator_1.SignatureValidator,
        MessageSigner_1.MessageSigner,
        LocalGroupKeyStore_1.LocalGroupKeyStore, Object, events_1.StreamrClientEventEmitter,
        LoggerFactory_1.LoggerFactory])
], PublisherKeyExchange);
//# sourceMappingURL=PublisherKeyExchange.js.map