@sap-cloud-sdk/core/dist/connectivity/scp-cf/destination/destination-service.js

"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.fetchDestination = exports.fetchSubaccountDestinations = exports.fetchInstanceDestinations = void 0;
var util_1 = require("@sap-cloud-sdk/util");
var opossum_1 = __importDefault(require("opossum"));
var axios_1 = __importDefault(require("axios"));
var jwt_1 = require("../jwt");
var resilience_options_1 = require("../resilience-options");
var http_agent_1 = require("../../../http-agent");
var destination_1 = require("./destination");
var destination_service_types_1 = require("./destination-service-types");
var destination_service_cache_1 = require("./destination-service-cache");
var logger = (0, util_1.createLogger)({
    package: 'core',
    messageContext: 'destination-service'
});
var circuitBreaker;
/**
 * Fetches all instance destinations from the given URI.
 * @param destinationServiceUri - The URI of the destination service
 * @param jwt - The access token
 * @param options - Options to use by retrieving destinations
 * @returns A promise resolving to a list of instance destinations
 */
function fetchInstanceDestinations(destinationServiceUri, jwt, options) {
    return fetchDestinations(destinationServiceUri, jwt, destination_service_types_1.DestinationType.Instance, options);
}
exports.fetchInstanceDestinations = fetchInstanceDestinations;
/**
 * Fetches all subaccount destinations from the given URI.
 * @param destinationServiceUri - The URI of the destination service
 * @param jwt - The access token
 * @param options - Options to use by retrieving destinations
 * @returns A promise resolving to a list of subaccount destinations
 */
function fetchSubaccountDestinations(destinationServiceUri, jwt, options) {
    return fetchDestinations(destinationServiceUri, jwt, destination_service_types_1.DestinationType.Subaccount, options);
}
exports.fetchSubaccountDestinations = fetchSubaccountDestinations;
function fetchDestinations(destinationServiceUri, jwt, type, options) {
    return __awaiter(this, void 0, void 0, function () {
        var targetUri, destinationsFromCache, headers;
        return __generator(this, function (_a) {
            targetUri = "".concat(destinationServiceUri.replace(/\/$/, ''), "/destination-configuration/v1/").concat(type, "Destinations");
            if (options === null || options === void 0 ? void 0 : options.useCache) {
                destinationsFromCache = destination_service_cache_1.destinationServiceCache.retrieveDestinationsFromCache(targetUri, (0, jwt_1.decodeJwt)(jwt), options.isolationStrategy);
                if (destinationsFromCache) {
                    return [2 /*return*/, destinationsFromCache];
                }
            }
            headers = (0, jwt_1.wrapJwtInHeader)(jwt).headers;
            return [2 /*return*/, callDestinationService(targetUri, headers, options)
                    .then(function (response) {
                    var destinations = response.data.map(function (d) {
                        return (0, destination_1.parseDestination)(d);
                    });
                    if (options === null || options === void 0 ? void 0 : options.useCache) {
                        destination_service_cache_1.destinationServiceCache.cacheRetrievedDestinations(targetUri, (0, jwt_1.decodeJwt)(jwt), destinations, options.isolationStrategy);
                    }
                    return destinations;
                })
                    .catch(function (error) {
                    throw new util_1.ErrorWithCause("Failed to fetch ".concat(type, " destinations.").concat(errorMessageFromResponse(error)), error);
                })];
        });
    });
}
/**
 * Fetches a specific destination by name from the given URI, including authorization tokens.
 * For destinations with authenticationType OAuth2SAMLBearerAssertion, this call will trigger the OAuth2SAMLBearerFlow against the target destination.
 * In this pass the access token as string.
 * Fetches a specific destination with authenticationType OAuth2UserTokenExchange by name from the given URI, including authorization tokens.
 * @param destinationServiceUri - The URI of the destination service
 * @param token - The access token or AuthAndExchangeTokens if you want to include the X-user-token for OAuth2UserTokenExchange.
 * @param destinationName - The name of the desired destination
 * @param options - Options to use by retrieving destinations
 * @returns A Promise resolving to the destination
 * @internal
 */
function fetchDestination(destinationServiceUri, token, destinationName, options) {
    return __awaiter(this, void 0, void 0, function () {
        return __generator(this, function (_a) {
            return [2 /*return*/, fetchDestinationByTokens(destinationServiceUri, typeof token === 'string' ? { authHeaderJwt: token } : token, destinationName, options)];
        });
    });
}
exports.fetchDestination = fetchDestination;
function fetchDestinationByTokens(destinationServiceUri, tokens, destinationName, options) {
    return __awaiter(this, void 0, void 0, function () {
        var targetUri, destinationsFromCache, authHeader;
        return __generator(this, function (_a) {
            targetUri = "".concat(destinationServiceUri.replace(/\/$/, ''), "/destination-configuration/v1/destinations/").concat(destinationName);
            if (options === null || options === void 0 ? void 0 : options.useCache) {
                destinationsFromCache = destination_service_cache_1.destinationServiceCache.retrieveDestinationsFromCache(targetUri, (0, jwt_1.decodeJwt)(tokens.authHeaderJwt), options.isolationStrategy);
                if (destinationsFromCache) {
                    if (destinationsFromCache.length > 1) {
                        logger.warn('More than one destination found in the cache. This should not happen. First element used.');
                    }
                    return [2 /*return*/, destinationsFromCache[0]];
                }
            }
            authHeader = (0, jwt_1.wrapJwtInHeader)(tokens.authHeaderJwt).headers;
            authHeader = tokens.exchangeHeaderJwt
                ? __assign(__assign({}, authHeader), { 'X-user-token': tokens.exchangeHeaderJwt }) : authHeader;
            authHeader = tokens.exchangeTenant
                ? __assign(__assign({}, authHeader), { 'X-tenant': tokens.exchangeTenant }) : authHeader;
            return [2 /*return*/, callDestinationService(targetUri, authHeader, options)
                    .then(function (response) {
                    var destination = (0, destination_1.parseDestination)(response.data);
                    if (options === null || options === void 0 ? void 0 : options.useCache) {
                        destination_service_cache_1.destinationServiceCache.cacheRetrievedDestinations(targetUri, (0, jwt_1.decodeJwt)(tokens.authHeaderJwt), [destination], options.isolationStrategy);
                    }
                    return destination;
                })
                    .catch(function (error) {
                    {
                        throw new util_1.ErrorWithCause("Failed to fetch destination ".concat(destinationName, ".").concat(errorMessageFromResponse(error)), error);
                    }
                })];
        });
    });
}
function errorMessageFromResponse(error) {
    return (0, util_1.propertyExists)(error, 'response', 'data', 'ErrorMessage')
        ? " ".concat(error.response.data.ErrorMessage)
        : '';
}
function callDestinationService(uri, headers, options) {
    if (options === void 0) { options = { enableCircuitBreaker: true }; }
    var config = __assign(__assign({}, (0, http_agent_1.urlAndAgent)(uri)), { proxy: false, method: 'get', headers: headers });
    if (options.enableCircuitBreaker) {
        return getCircuitBreaker().fire(config);
    }
    return axios_1.default.request(config);
}
function getCircuitBreaker() {
    var request = axios_1.default.request;
    if (!circuitBreaker) {
        circuitBreaker = new opossum_1.default(request, resilience_options_1.circuitBreakerDefaultOptions);
    }
    return circuitBreaker;
}
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