@elastic/ems-client
Version:
JavaScript client library for the Elastic Maps Service
635 lines (629 loc) • 32.9 kB
JavaScript
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0; you may not use this file except in compliance with the Elastic License
* 2.0.
*/
import _ from 'lodash';
import { TMSService } from './tms_service';
import { FileLayer } from './file_layer';
import semverCoerce from 'semver/functions/coerce';
import semverValid from 'semver/functions/valid';
import semverMajor from 'semver/functions/major';
import semverMinor from 'semver/functions/minor';
import { format as formatUrl, parse as parseUrl } from 'url';
import { toAbsoluteUrl } from './utils';
import LRUCache from 'lru-cache';
var REST_API_REGEX = /\d{4}-\d{2}-\d{2}/;
export var LATEST_API_URL_PATH = 'latest';
/**
* plugins cannot have upstream dependencies on core/*-kibana.
* Work-around by copy-pasting modifyUrl routine here.
* @param url
* @param block
*/
function modifyUrlLocal(url, block) {
var parsed = parseUrl(url, true);
// copy over the most specific version of each
// property. By default, the parsed url includes
// several conflicting properties (like path and
// pathname + search, or search and query) and keeping
// track of which property is actually used when they
// are formatted is harder than necessary
var meaningfulParts = {
protocol: parsed.protocol,
slashes: parsed.slashes,
auth: parsed.auth,
hostname: parsed.hostname,
port: parsed.port,
pathname: parsed.pathname,
query: parsed.query || {},
hash: parsed.hash
};
// the block modifies the meaningfulParts object, or returns a new one
var modifiedParts = block(meaningfulParts) || meaningfulParts;
// format the modified/replaced meaningfulParts back into a url
return formatUrl({
protocol: modifiedParts.protocol,
slashes: modifiedParts.slashes,
auth: modifiedParts.auth,
hostname: modifiedParts.hostname,
port: modifiedParts.port,
pathname: modifiedParts.pathname,
query: modifiedParts.query,
hash: modifiedParts.hash
});
}
var extendUrl = function extendUrl(url, props) {
return modifyUrlLocal(url, function (parsed) {
return _.merge(parsed, props);
});
};
/**
* Unescape a url template that was escaped by encodeURI() so leaflet
* will be able to correctly locate the variables in the template
* @param {String} url
* @return {String}
*/
var unescapeTemplateVars = function unescapeTemplateVars(url) {
var ENCODED_TEMPLATE_VARS_RE = /%7B(\w+?)%7D/g;
return url.replace(ENCODED_TEMPLATE_VARS_RE, function (total, varName) {
return "{".concat(varName, "}");
});
};
//this is not the default locale from Kibana, but the default locale supported by the Elastic Maps Service
var DEFAULT_LANGUAGE = 'en';
export var EMSClient = /*#__PURE__*/function () {
function EMSClient(config) {
_classCallCheck(this, EMSClient);
_defineProperty(this, "EMS_LOAD_TIMEOUT", 32000);
_defineProperty(this, "_queryParams", void 0);
_defineProperty(this, "_appVersion", void 0);
_defineProperty(this, "_fetchFunction", void 0);
_defineProperty(this, "_sanitizer", void 0);
_defineProperty(this, "_fileApiUrl", void 0);
_defineProperty(this, "_tileApiUrl", void 0);
_defineProperty(this, "_emsVersion", void 0);
_defineProperty(this, "_emsLandingPageUrl", void 0);
_defineProperty(this, "_language", void 0);
_defineProperty(this, "_proxyPath", void 0);
_defineProperty(this, "_cache", void 0);
_defineProperty(this, "_isRestApi", false);
/**
* these methods are assigned outside the constructor
*/
_defineProperty(this, "_getMainCatalog", void 0);
_defineProperty(this, "_getDefaultTMSCatalog", void 0);
_defineProperty(this, "_getDefaultFileCatalog", void 0);
_defineProperty(this, "_loadTMSServices", void 0);
_defineProperty(this, "_loadFileLayers", void 0);
// Remove kbnVersion in 8.0
if ('kbnVersion' in config) {
console.warn('The "kbnVersion" parameter for ems-client is deprecated. Please use "appVersion" instead.');
this._appVersion = config.kbnVersion;
} else {
this._appVersion = config.appVersion;
}
this._queryParams = {
elastic_tile_service_tos: 'agree',
my_app_name: config.appName || 'kibana',
my_app_version: this._appVersion
};
this._sanitizer = config.htmlSanitizer ? config.htmlSanitizer : function (x) {
return x;
};
this._tileApiUrl = config.tileApiUrl;
this._fileApiUrl = config.fileApiUrl;
this._emsVersion = this._getEmsVersion(config.emsVersion);
this._isRestApi = this._emsVersion == config.emsVersion;
this._emsLandingPageUrl = config.landingPageUrl || '';
this._language = config.language || DEFAULT_LANGUAGE;
this._fetchFunction = config.fetchFunction;
this._proxyPath = config.proxyPath || '';
this._cache = new LRUCache({
max: config.cacheSize || 10
});
this._invalidateSettings();
}
return _createClass(EMSClient, [{
key: "getDefaultLocale",
value: function getDefaultLocale() {
return DEFAULT_LANGUAGE;
}
}, {
key: "getLocale",
value: function getLocale() {
return this._language;
}
}, {
key: "getValueInLanguage",
value: function getValueInLanguage(i18nObject) {
if (!i18nObject) {
return '';
}
return i18nObject[this._language] ? i18nObject[this._language] : i18nObject[DEFAULT_LANGUAGE];
}
/**
* this internal method is overridden by the tests to simulate custom manifest.
*/
}, {
key: "getManifest",
value: (function () {
var _getManifest = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(endpointUrl) {
var url, response;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
_context.prev = 0;
url = extendUrl(endpointUrl, {
query: this._queryParams
});
_context.next = 4;
return this._fetchWithTimeout(url);
case 4:
response = _context.sent;
if (response.ok) {
_context.next = 7;
break;
}
throw new Error(response.statusText);
case 7:
if (!response) {
_context.next = 13;
break;
}
_context.next = 10;
return response.json();
case 10:
return _context.abrupt("return", _context.sent);
case 13:
throw new Error('Response not found');
case 14:
_context.next = 23;
break;
case 16:
_context.prev = 16;
_context.t0 = _context["catch"](0);
if (!(_context.t0 instanceof Error)) {
_context.next = 22;
break;
}
throw _context.t0;
case 22:
throw new Error('Unknown error');
case 23:
case "end":
return _context.stop();
}
}, _callee, this, [[0, 16]]);
}));
function getManifest(_x) {
return _getManifest.apply(this, arguments);
}
return getManifest;
}()
/**
* Add optional query-parameters to all requests
*
* @param additionalQueryParams
*/
)
}, {
key: "addQueryParams",
value: function addQueryParams(additionalQueryParams) {
for (var _key in additionalQueryParams) {
if (Object.prototype.hasOwnProperty.call(additionalQueryParams, _key)) {
if (additionalQueryParams[_key] !== this._queryParams[_key]) {
//changes detected.
this._queryParams = _.assign({}, this._queryParams, additionalQueryParams);
this._invalidateSettings();
break;
}
}
}
}
}, {
key: "getMainManifest",
value: function () {
var _getMainManifest = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2() {
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
_context2.next = 2;
return this._getMainCatalog();
case 2:
return _context2.abrupt("return", _context2.sent);
case 3:
case "end":
return _context2.stop();
}
}, _callee2, this);
}));
function getMainManifest() {
return _getMainManifest.apply(this, arguments);
}
return getMainManifest;
}()
}, {
key: "getDefaultFileManifest",
value: function () {
var _getDefaultFileManifest = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3() {
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
_context3.next = 2;
return this._getDefaultFileCatalog();
case 2:
return _context3.abrupt("return", _context3.sent);
case 3:
case "end":
return _context3.stop();
}
}, _callee3, this);
}));
function getDefaultFileManifest() {
return _getDefaultFileManifest.apply(this, arguments);
}
return getDefaultFileManifest;
}()
}, {
key: "getDefaultTMSManifest",
value: function () {
var _getDefaultTMSManifest = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4() {
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
_context4.next = 2;
return this._getDefaultTMSCatalog();
case 2:
return _context4.abrupt("return", _context4.sent);
case 3:
case "end":
return _context4.stop();
}
}, _callee4, this);
}));
function getDefaultTMSManifest() {
return _getDefaultTMSManifest.apply(this, arguments);
}
return getDefaultTMSManifest;
}()
}, {
key: "getFileLayers",
value: function () {
var _getFileLayers = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee5() {
return _regeneratorRuntime().wrap(function _callee5$(_context5) {
while (1) switch (_context5.prev = _context5.next) {
case 0:
_context5.next = 2;
return this._loadFileLayers();
case 2:
return _context5.abrupt("return", _context5.sent);
case 3:
case "end":
return _context5.stop();
}
}, _callee5, this);
}));
function getFileLayers() {
return _getFileLayers.apply(this, arguments);
}
return getFileLayers;
}()
}, {
key: "getTMSServices",
value: function () {
var _getTMSServices = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee6() {
return _regeneratorRuntime().wrap(function _callee6$(_context6) {
while (1) switch (_context6.prev = _context6.next) {
case 0:
_context6.next = 2;
return this._loadTMSServices();
case 2:
return _context6.abrupt("return", _context6.sent);
case 3:
case "end":
return _context6.stop();
}
}, _callee6, this);
}));
function getTMSServices() {
return _getTMSServices.apply(this, arguments);
}
return getTMSServices;
}()
}, {
key: "cacheGeoJson",
value: function cacheGeoJson(layerId, geoJson) {
this._cache.set(layerId, geoJson);
return;
}
}, {
key: "getCachedGeoJson",
value: function getCachedGeoJson(layerId) {
return this._cache.get(layerId);
}
}, {
key: "getEmsVersion",
value: function getEmsVersion() {
return this._emsVersion;
}
}, {
key: "getTileApiUrl",
value: function getTileApiUrl() {
return this._tileApiUrl;
}
}, {
key: "getFileApiUrl",
value: function getFileApiUrl() {
return this._fileApiUrl;
}
}, {
key: "getLandingPageUrl",
value: function getLandingPageUrl() {
return this._emsLandingPageUrl;
}
}, {
key: "sanitizeHtml",
value: function sanitizeHtml(html) {
return this._sanitizer(html);
}
}, {
key: "extendUrlWithParams",
value: function extendUrlWithParams(url) {
return unescapeTemplateVars(extendUrl(url, {
query: this._queryParams
}));
}
}, {
key: "findFileLayerById",
value: function () {
var _findFileLayerById = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee7(id) {
var fileLayers, i;
return _regeneratorRuntime().wrap(function _callee7$(_context7) {
while (1) switch (_context7.prev = _context7.next) {
case 0:
_context7.next = 2;
return this.getFileLayers();
case 2:
fileLayers = _context7.sent;
i = 0;
case 4:
if (!(i < fileLayers.length)) {
_context7.next = 10;
break;
}
if (!fileLayers[i].hasId(id)) {
_context7.next = 7;
break;
}
return _context7.abrupt("return", fileLayers[i]);
case 7:
i++;
_context7.next = 4;
break;
case 10:
case "end":
return _context7.stop();
}
}, _callee7, this);
}));
function findFileLayerById(_x2) {
return _findFileLayerById.apply(this, arguments);
}
return findFileLayerById;
}()
}, {
key: "findTMSServiceById",
value: function () {
var _findTMSServiceById = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee8(id) {
var tmsServices, i;
return _regeneratorRuntime().wrap(function _callee8$(_context8) {
while (1) switch (_context8.prev = _context8.next) {
case 0:
_context8.next = 2;
return this.getTMSServices();
case 2:
tmsServices = _context8.sent;
i = 0;
case 4:
if (!(i < tmsServices.length)) {
_context8.next = 10;
break;
}
if (!tmsServices[i].hasId(id)) {
_context8.next = 7;
break;
}
return _context8.abrupt("return", tmsServices[i]);
case 7:
i++;
_context8.next = 4;
break;
case 10:
case "end":
return _context8.stop();
}
}, _callee8, this);
}));
function findTMSServiceById(_x3) {
return _findTMSServiceById.apply(this, arguments);
}
return findTMSServiceById;
}()
}, {
key: "_getEmsVersion",
value: function _getEmsVersion(version) {
if (version !== null && version !== void 0 && version.match(REST_API_REGEX)) {
return version;
}
var semverVersion = semverValid(semverCoerce(version));
if (semverVersion) {
return "v".concat(semverMajor(semverVersion), ".").concat(semverMinor(semverVersion));
} else {
throw new Error("Invalid version: ".concat(version));
}
}
}, {
key: "_fetchWithTimeout",
value: function _fetchWithTimeout(url) {
var _this = this;
return new Promise(function (resolve, reject) {
var timer = setTimeout(function () {
return reject(new Error("Request to ".concat(url, " timed out")));
}, _this.EMS_LOAD_TIMEOUT);
_this._fetchFunction(url).then(function (response) {
clearTimeout(timer);
resolve(response);
}, function (err) {
clearTimeout(timer);
reject(err);
});
});
}
}, {
key: "_invalidateSettings",
value: function _invalidateSettings() {
var _this2 = this;
this._cache.reset();
this._getMainCatalog = _.once(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee9() {
var services, version, _version;
return _regeneratorRuntime().wrap(function _callee9$(_context9) {
while (1) switch (_context9.prev = _context9.next) {
case 0:
services = [];
if (_this2._tileApiUrl) {
version = _this2._isRestApi ? LATEST_API_URL_PATH : _this2._emsVersion;
services.push({
type: 'tms',
manifest: toAbsoluteUrl(_this2._tileApiUrl, "".concat(version, "/manifest"))
});
}
if (_this2._fileApiUrl) {
_version = _this2._isRestApi ? LATEST_API_URL_PATH : _this2._emsVersion;
services.push({
type: 'file',
manifest: toAbsoluteUrl(_this2._fileApiUrl, "".concat(_version, "/manifest"))
});
}
return _context9.abrupt("return", {
services: services
});
case 4:
case "end":
return _context9.stop();
}
}, _callee9);
})));
this._getDefaultTMSCatalog = _.once(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee10() {
var catalogue, firstService, url;
return _regeneratorRuntime().wrap(function _callee10$(_context10) {
while (1) switch (_context10.prev = _context10.next) {
case 0:
_context10.next = 2;
return _this2._getMainCatalog();
case 2:
catalogue = _context10.sent;
firstService = catalogue.services.find(function (service) {
return service.type === 'tms';
});
if (firstService) {
_context10.next = 6;
break;
}
return _context10.abrupt("return", {
services: []
});
case 6:
url = _this2._proxyPath + firstService.manifest;
_context10.next = 9;
return _this2.getManifest(url);
case 9:
return _context10.abrupt("return", _context10.sent);
case 10:
case "end":
return _context10.stop();
}
}, _callee10);
})));
this._getDefaultFileCatalog = _.once(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee11() {
var catalogue, firstService, url;
return _regeneratorRuntime().wrap(function _callee11$(_context11) {
while (1) switch (_context11.prev = _context11.next) {
case 0:
_context11.next = 2;
return _this2._getMainCatalog();
case 2:
catalogue = _context11.sent;
firstService = catalogue.services.find(function (service) {
return service.type === 'file';
});
if (firstService) {
_context11.next = 6;
break;
}
return _context11.abrupt("return", {
layers: []
});
case 6:
url = _this2._proxyPath + firstService.manifest;
_context11.next = 9;
return _this2.getManifest(url);
case 9:
return _context11.abrupt("return", _context11.sent);
case 10:
case "end":
return _context11.stop();
}
}, _callee11);
})));
//Cache the actual instances of TMSService as these in turn cache sub-manifests for the style-files
this._loadTMSServices = _.once(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee12() {
var tmsManifest;
return _regeneratorRuntime().wrap(function _callee12$(_context12) {
while (1) switch (_context12.prev = _context12.next) {
case 0:
_context12.next = 2;
return _this2._getDefaultTMSCatalog();
case 2:
tmsManifest = _context12.sent;
return _context12.abrupt("return", tmsManifest.services.map(function (serviceConfig) {
return new TMSService(serviceConfig, _this2, _this2._proxyPath);
}));
case 4:
case "end":
return _context12.stop();
}
}, _callee12);
})));
this._loadFileLayers = _.once(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee13() {
var fileManifest;
return _regeneratorRuntime().wrap(function _callee13$(_context13) {
while (1) switch (_context13.prev = _context13.next) {
case 0:
_context13.next = 2;
return _this2._getDefaultFileCatalog();
case 2:
fileManifest = _context13.sent;
return _context13.abrupt("return", fileManifest.layers.map(function (layerConfig) {
return new FileLayer(layerConfig, _this2, _this2._proxyPath);
}));
case 4:
case "end":
return _context13.stop();
}
}, _callee13);
})));
}
}]);
}();