@sap-cloud-sdk/core
Version:
SAP Cloud SDK for JavaScript core
173 lines • 10.3 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.jwtBearerToken = exports.userApprovedServiceToken = exports.serviceToken = void 0;
var util_1 = require("@sap-cloud-sdk/util");
var jwt_1 = require("./jwt");
var client_credentials_token_cache_1 = require("./client-credentials-token-cache");
var environment_accessor_1 = require("./environment-accessor");
var subdomain_replacer_1 = require("./subdomain-replacer");
var xsuaa_service_1 = require("./legacy/xsuaa-service");
var xsuaa_service_2 = require("./xsuaa-service");
/**
* Returns an access token that can be used to call the given service. The token is fetched via a client credentials grant with the credentials of the given service.
* If multiple instances of the provided service exist, the first instance will be selected.
* When a JWT is passed, the tenant of the JWT will be used when performing the grant.
* When no JWT is passed, the grant will be performed using the provider tenant.
*
* Throws an error if there is no instance of the given service type or the XSUAA service, or if the request to the XSUAA service fails.
* @param service - The type of the service or an instance of [[Service]].
* @param options - Options to influence caching and resilience behavior (see [[CachingOptions]] and [[ResilienceOptions]], respectively) and a JWT. By default, caching and usage of a circuit breaker are enabled.
* @returns Access token.
*/
function serviceToken(service, options) {
return __awaiter(this, void 0, void 0, function () {
var opts, serviceCredentials, xsuaa, cachedToken, token, err_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
opts = __assign({ useCache: true, enableCircuitBreaker: true }, options);
service = (0, environment_accessor_1.resolveService)(service);
serviceCredentials = service.credentials;
xsuaa = multiTenantXsuaaCredentials(options);
if (opts.useCache) {
cachedToken = client_credentials_token_cache_1.clientCredentialsTokenCache.getGrantTokenFromCache(xsuaa.url, serviceCredentials.clientid);
if (cachedToken) {
return [2 /*return*/, cachedToken.access_token];
}
}
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, (0, xsuaa_service_2.getClientCredentialsToken)(service, options === null || options === void 0 ? void 0 : options.userJwt, options)];
case 2:
token = _a.sent();
if (opts.useCache) {
client_credentials_token_cache_1.clientCredentialsTokenCache.cacheRetrievedToken(xsuaa.url, serviceCredentials.clientid, token);
}
return [2 /*return*/, token.access_token];
case 3:
err_1 = _a.sent();
throw new util_1.ErrorWithCause("Could not fetch client credentials token for service of type \"".concat(service.label, "\"."), err_1);
case 4: return [2 /*return*/];
}
});
});
}
exports.serviceToken = serviceToken;
/**
* @deprecated Since v1.41.0 Use [[jwtBearerToken]] instead.
* Returns a user approved access token that can be used to call the given service on behalf of the given user. The token is fetched via user token + refresh token grant.
* This can be necessary for scenarios in which a token for a service is required, but the service needs
* to know about the user on whose behalf the request is performed (for example to let the destination
* service perform principal propagation with SAP S/4HANA Cloud).
*
* Throws an error if there is no instance of the given service type or the XSUAA service, or if the request to the XSUAA service fails.
* @param userJwt - The JWT of the user for whom the access token should be fetched.
* @param service - The type of the service or an instance of [[Service]].
* @param options - Options to influence resilience behavior (see [[ResilienceOptions]]). By default, usage of a circuit breaker is enabled.
* @returns A user approved access token.
*/
function userApprovedServiceToken(userJwt, service, options) {
return __awaiter(this, void 0, void 0, function () {
var resolvedService, opts, xsuaa, serviceCreds;
return __generator(this, function (_a) {
resolvedService = (0, environment_accessor_1.resolveService)(service);
opts = __assign({ enableCircuitBreaker: true }, options);
xsuaa = multiTenantXsuaaCredentials({ userJwt: userJwt });
serviceCreds = (0, environment_accessor_1.extractClientCredentials)(resolvedService.credentials);
return [2 /*return*/, (0, xsuaa_service_1.userTokenGrant)(xsuaa, userJwt, serviceCreds.username, opts)
.then(function (userToken) {
return (0, xsuaa_service_1.refreshTokenGrant)(xsuaa, serviceCreds, userToken.refresh_token, opts);
})
.then(function (refreshToken) { return refreshToken.access_token; })
.catch(function (error) {
throw new util_1.ErrorWithCause("Fetching a user approved access token for service \"".concat(resolvedService.label, "\" failed!"), error);
})];
});
});
}
exports.userApprovedServiceToken = userApprovedServiceToken;
/**
* Returns a jwt bearer token that can be used to call the given service.
* The token is fetched via a JWT bearer token grant using the user token + client credentials.
*
* Throws an error if there is no instance of the given service type or the XSUAA service, or if the request to the XSUAA service fails.
* @param userJwt - The JWT of the user for whom the access token should be fetched
* @param service - The type of the service or an instance of [[Service]].
* @param options - Options to influence resilience behavior (see [[ResilienceOptions]]). By default, usage of a circuit breaker is enabled.
* @returns A jwt bearer token.
*/
function jwtBearerToken(userJwt, service, options) {
return __awaiter(this, void 0, void 0, function () {
var resolvedService, opts;
return __generator(this, function (_a) {
resolvedService = (0, environment_accessor_1.resolveService)(service);
opts = __assign({ enableCircuitBreaker: true }, options);
return [2 /*return*/, (0, xsuaa_service_2.getUserToken)(resolvedService, userJwt, opts)];
});
});
}
exports.jwtBearerToken = jwtBearerToken;
function multiTenantXsuaaCredentials(options) {
if (options === void 0) { options = {}; }
var xsuaa = options.xsuaaCredentials
? __assign({}, options.xsuaaCredentials) : (0, environment_accessor_1.getXsuaaServiceCredentials)(options.userJwt);
if (options.userJwt) {
var decodedJwt = typeof options.userJwt === 'string'
? (0, jwt_1.decodeJwt)(options.userJwt)
: options.userJwt;
if (!decodedJwt.iss) {
throw Error('Property `iss` is missing in the provided user token.');
}
xsuaa.url = (0, subdomain_replacer_1.replaceSubdomain)(decodedJwt.iss, xsuaa.url);
}
return xsuaa;
}
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