keycloak-scim/js/libs/keycloak-js/lib/keycloak.js
Jon Koops d60dee7622
Remove the UMD distribution of Keycloak JS (#33080)
Closes #32826

Signed-off-by: Jon Koops <jonkoops@gmail.com>
2024-09-30 14:05:18 +02:00

1817 lines
63 KiB
JavaScript
Executable file

/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
function Keycloak (config) {
if (!(this instanceof Keycloak)) {
throw new Error("The 'Keycloak' constructor must be invoked with 'new'.")
}
var kc = this;
var adapter;
var refreshQueue = [];
var callbackStorage;
var loginIframe = {
enable: true,
callbackList: [],
interval: 5
};
kc.didInitialize = false;
var useNonce = true;
var logInfo = createLogger(console.info);
var logWarn = createLogger(console.warn);
kc.init = function (initOptions) {
if (kc.didInitialize) {
throw new Error("A 'Keycloak' instance can only be initialized once.");
}
kc.didInitialize = true;
kc.authenticated = false;
callbackStorage = createCallbackStorage();
var adapters = ['default', 'cordova', 'cordova-native'];
if (initOptions && adapters.indexOf(initOptions.adapter) > -1) {
adapter = loadAdapter(initOptions.adapter);
} else if (initOptions && typeof initOptions.adapter === "object") {
adapter = initOptions.adapter;
} else {
if (window.Cordova || window.cordova) {
adapter = loadAdapter('cordova');
} else {
adapter = loadAdapter();
}
}
if (initOptions) {
if (typeof initOptions.useNonce !== 'undefined') {
useNonce = initOptions.useNonce;
}
if (typeof initOptions.checkLoginIframe !== 'undefined') {
loginIframe.enable = initOptions.checkLoginIframe;
}
if (initOptions.checkLoginIframeInterval) {
loginIframe.interval = initOptions.checkLoginIframeInterval;
}
if (initOptions.onLoad === 'login-required') {
kc.loginRequired = true;
}
if (initOptions.responseMode) {
if (initOptions.responseMode === 'query' || initOptions.responseMode === 'fragment') {
kc.responseMode = initOptions.responseMode;
} else {
throw 'Invalid value for responseMode';
}
}
if (initOptions.flow) {
switch (initOptions.flow) {
case 'standard':
kc.responseType = 'code';
break;
case 'implicit':
kc.responseType = 'id_token token';
break;
case 'hybrid':
kc.responseType = 'code id_token token';
break;
default:
throw 'Invalid value for flow';
}
kc.flow = initOptions.flow;
}
if (initOptions.timeSkew != null) {
kc.timeSkew = initOptions.timeSkew;
}
if(initOptions.redirectUri) {
kc.redirectUri = initOptions.redirectUri;
}
if (initOptions.silentCheckSsoRedirectUri) {
kc.silentCheckSsoRedirectUri = initOptions.silentCheckSsoRedirectUri;
}
if (typeof initOptions.silentCheckSsoFallback === 'boolean') {
kc.silentCheckSsoFallback = initOptions.silentCheckSsoFallback;
} else {
kc.silentCheckSsoFallback = true;
}
if (typeof initOptions.pkceMethod !== "undefined") {
if (initOptions.pkceMethod !== "S256" && initOptions.pkceMethod !== false) {
throw new TypeError(`Invalid value for pkceMethod', expected 'S256' or false but got ${initOptions.pkceMethod}.`);
}
kc.pkceMethod = initOptions.pkceMethod;
} else {
kc.pkceMethod = "S256";
}
if (typeof initOptions.enableLogging === 'boolean') {
kc.enableLogging = initOptions.enableLogging;
} else {
kc.enableLogging = false;
}
if (initOptions.logoutMethod === 'POST') {
kc.logoutMethod = 'POST';
} else {
kc.logoutMethod = 'GET';
}
if (typeof initOptions.scope === 'string') {
kc.scope = initOptions.scope;
}
if (typeof initOptions.acrValues === 'string') {
kc.acrValues = initOptions.acrValues;
}
if (typeof initOptions.messageReceiveTimeout === 'number' && initOptions.messageReceiveTimeout > 0) {
kc.messageReceiveTimeout = initOptions.messageReceiveTimeout;
} else {
kc.messageReceiveTimeout = 10000;
}
}
if (!kc.responseMode) {
kc.responseMode = 'fragment';
}
if (!kc.responseType) {
kc.responseType = 'code';
kc.flow = 'standard';
}
var promise = createPromise();
var initPromise = createPromise();
initPromise.promise.then(function() {
kc.onReady && kc.onReady(kc.authenticated);
promise.setSuccess(kc.authenticated);
}).catch(function(error) {
promise.setError(error);
});
var configPromise = loadConfig(config);
function onLoad() {
var doLogin = function(prompt) {
if (!prompt) {
options.prompt = 'none';
}
if (initOptions && initOptions.locale) {
options.locale = initOptions.locale;
}
kc.login(options).then(function () {
initPromise.setSuccess();
}).catch(function (error) {
initPromise.setError(error);
});
}
var checkSsoSilently = async function() {
var ifrm = document.createElement("iframe");
var src = await kc.createLoginUrl({prompt: 'none', redirectUri: kc.silentCheckSsoRedirectUri});
ifrm.setAttribute("src", src);
ifrm.setAttribute("sandbox", "allow-storage-access-by-user-activation allow-scripts allow-same-origin");
ifrm.setAttribute("title", "keycloak-silent-check-sso");
ifrm.style.display = "none";
document.body.appendChild(ifrm);
var messageCallback = function(event) {
if (event.origin !== window.location.origin || ifrm.contentWindow !== event.source) {
return;
}
var oauth = parseCallback(event.data);
processCallback(oauth, initPromise);
document.body.removeChild(ifrm);
window.removeEventListener("message", messageCallback);
};
window.addEventListener("message", messageCallback);
};
var options = {};
switch (initOptions.onLoad) {
case 'check-sso':
if (loginIframe.enable) {
setupCheckLoginIframe().then(function() {
checkLoginIframe().then(function (unchanged) {
if (!unchanged) {
kc.silentCheckSsoRedirectUri ? checkSsoSilently() : doLogin(false);
} else {
initPromise.setSuccess();
}
}).catch(function (error) {
initPromise.setError(error);
});
});
} else {
kc.silentCheckSsoRedirectUri ? checkSsoSilently() : doLogin(false);
}
break;
case 'login-required':
doLogin(true);
break;
default:
throw 'Invalid value for onLoad';
}
}
function processInit() {
var callback = parseCallback(window.location.href);
if (callback) {
window.history.replaceState(window.history.state, null, callback.newUrl);
}
if (callback && callback.valid) {
return setupCheckLoginIframe().then(function() {
processCallback(callback, initPromise);
}).catch(function (error) {
initPromise.setError(error);
});
} else if (initOptions) {
if (initOptions.token && initOptions.refreshToken) {
setToken(initOptions.token, initOptions.refreshToken, initOptions.idToken);
if (loginIframe.enable) {
setupCheckLoginIframe().then(function() {
checkLoginIframe().then(function (unchanged) {
if (unchanged) {
kc.onAuthSuccess && kc.onAuthSuccess();
initPromise.setSuccess();
scheduleCheckIframe();
} else {
initPromise.setSuccess();
}
}).catch(function (error) {
initPromise.setError(error);
});
});
} else {
kc.updateToken(-1).then(function() {
kc.onAuthSuccess && kc.onAuthSuccess();
initPromise.setSuccess();
}).catch(function(error) {
kc.onAuthError && kc.onAuthError();
if (initOptions.onLoad) {
onLoad();
} else {
initPromise.setError(error);
}
});
}
} else if (initOptions.onLoad) {
onLoad();
} else {
initPromise.setSuccess();
}
} else {
initPromise.setSuccess();
}
}
configPromise.then(function () {
check3pCookiesSupported()
.then(processInit)
.catch(function (error) {
promise.setError(error);
});
});
configPromise.catch(function (error) {
promise.setError(error);
});
return promise.promise;
}
kc.login = function (options) {
return adapter.login(options);
}
function generateRandomData(len) {
// use web crypto APIs if possible
var array = null;
var crypto = window.crypto || window.msCrypto;
if (crypto && crypto.getRandomValues && window.Uint8Array) {
array = new Uint8Array(len);
crypto.getRandomValues(array);
return array;
}
// fallback to Math random
array = new Array(len);
for (var j = 0; j < array.length; j++) {
array[j] = Math.floor(256 * Math.random());
}
return array;
}
function generateCodeVerifier(len) {
return generateRandomString(len, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789');
}
function generateRandomString(len, alphabet){
var randomData = generateRandomData(len);
var chars = new Array(len);
for (var i = 0; i < len; i++) {
chars[i] = alphabet.charCodeAt(randomData[i] % alphabet.length);
}
return String.fromCharCode.apply(null, chars);
}
async function generatePkceChallenge(pkceMethod, codeVerifier) {
if (pkceMethod !== "S256") {
throw new TypeError(`Invalid value for 'pkceMethod', expected 'S256' but got '${pkceMethod}'.`);
}
// hash codeVerifier, then encode as url-safe base64 without padding
const hashBytes = new Uint8Array(await sha256Digest(codeVerifier));
const encodedHash = bytesToBase64(hashBytes)
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/\=/g, '');
return encodedHash;
}
function buildClaimsParameter(requestedAcr){
var claims = {
id_token: {
acr: requestedAcr
}
}
return JSON.stringify(claims);
}
kc.createLoginUrl = async function(options) {
var state = createUUID();
var nonce = createUUID();
var redirectUri = adapter.redirectUri(options);
var callbackState = {
state: state,
nonce: nonce,
redirectUri: encodeURIComponent(redirectUri),
loginOptions: options
};
if (options && options.prompt) {
callbackState.prompt = options.prompt;
}
var baseUrl;
if (options && options.action == 'register') {
baseUrl = kc.endpoints.register();
} else {
baseUrl = kc.endpoints.authorize();
}
var scope = options && options.scope || kc.scope;
if (!scope) {
// if scope is not set, default to "openid"
scope = "openid";
} else if (scope.indexOf("openid") === -1) {
// if openid scope is missing, prefix the given scopes with it
scope = "openid " + scope;
}
var url = baseUrl
+ '?client_id=' + encodeURIComponent(kc.clientId)
+ '&redirect_uri=' + encodeURIComponent(redirectUri)
+ '&state=' + encodeURIComponent(state)
+ '&response_mode=' + encodeURIComponent(kc.responseMode)
+ '&response_type=' + encodeURIComponent(kc.responseType)
+ '&scope=' + encodeURIComponent(scope);
if (useNonce) {
url = url + '&nonce=' + encodeURIComponent(nonce);
}
if (options && options.prompt) {
url += '&prompt=' + encodeURIComponent(options.prompt);
}
if (options && typeof options.maxAge === 'number') {
url += '&max_age=' + encodeURIComponent(options.maxAge);
}
if (options && options.loginHint) {
url += '&login_hint=' + encodeURIComponent(options.loginHint);
}
if (options && options.idpHint) {
url += '&kc_idp_hint=' + encodeURIComponent(options.idpHint);
}
if (options && options.action && options.action != 'register') {
url += '&kc_action=' + encodeURIComponent(options.action);
}
if (options && options.locale) {
url += '&ui_locales=' + encodeURIComponent(options.locale);
}
if (options && options.acr) {
var claimsParameter = buildClaimsParameter(options.acr);
url += '&claims=' + encodeURIComponent(claimsParameter);
}
if ((options && options.acrValues) || kc.acrValues) {
url += '&acr_values=' + encodeURIComponent(options.acrValues || kc.acrValues);
}
if (kc.pkceMethod) {
if (!globalThis.isSecureContext) {
logWarn('[KEYCLOAK] PKCE is only supported in secure contexts (HTTPS)');
} else {
var codeVerifier = generateCodeVerifier(96);
callbackState.pkceCodeVerifier = codeVerifier;
var pkceChallenge = await generatePkceChallenge(kc.pkceMethod, codeVerifier);
url += '&code_challenge=' + pkceChallenge;
url += '&code_challenge_method=' + kc.pkceMethod;
}
}
callbackStorage.add(callbackState);
return url;
}
kc.logout = function(options) {
return adapter.logout(options);
}
kc.createLogoutUrl = function(options) {
const logoutMethod = options?.logoutMethod ?? kc.logoutMethod;
if (logoutMethod === 'POST') {
return kc.endpoints.logout();
}
var url = kc.endpoints.logout()
+ '?client_id=' + encodeURIComponent(kc.clientId)
+ '&post_logout_redirect_uri=' + encodeURIComponent(adapter.redirectUri(options, false));
if (kc.idToken) {
url += '&id_token_hint=' + encodeURIComponent(kc.idToken);
}
return url;
}
kc.register = function (options) {
return adapter.register(options);
}
kc.createRegisterUrl = async function(options) {
if (!options) {
options = {};
}
options.action = 'register';
return await kc.createLoginUrl(options);
}
kc.createAccountUrl = function(options) {
var realm = getRealmUrl();
var url = undefined;
if (typeof realm !== 'undefined') {
url = realm
+ '/account'
+ '?referrer=' + encodeURIComponent(kc.clientId)
+ '&referrer_uri=' + encodeURIComponent(adapter.redirectUri(options));
}
return url;
}
kc.accountManagement = function() {
return adapter.accountManagement();
}
kc.hasRealmRole = function (role) {
var access = kc.realmAccess;
return !!access && access.roles.indexOf(role) >= 0;
}
kc.hasResourceRole = function(role, resource) {
if (!kc.resourceAccess) {
return false;
}
var access = kc.resourceAccess[resource || kc.clientId];
return !!access && access.roles.indexOf(role) >= 0;
}
kc.loadUserProfile = function() {
var url = getRealmUrl() + '/account';
var req = new XMLHttpRequest();
req.open('GET', url, true);
req.setRequestHeader('Accept', 'application/json');
req.setRequestHeader('Authorization', 'bearer ' + kc.token);
var promise = createPromise();
req.onreadystatechange = function () {
if (req.readyState == 4) {
if (req.status == 200) {
kc.profile = JSON.parse(req.responseText);
promise.setSuccess(kc.profile);
} else {
promise.setError();
}
}
}
req.send();
return promise.promise;
}
kc.loadUserInfo = function() {
var url = kc.endpoints.userinfo();
var req = new XMLHttpRequest();
req.open('GET', url, true);
req.setRequestHeader('Accept', 'application/json');
req.setRequestHeader('Authorization', 'bearer ' + kc.token);
var promise = createPromise();
req.onreadystatechange = function () {
if (req.readyState == 4) {
if (req.status == 200) {
kc.userInfo = JSON.parse(req.responseText);
promise.setSuccess(kc.userInfo);
} else {
promise.setError();
}
}
}
req.send();
return promise.promise;
}
kc.isTokenExpired = function(minValidity) {
if (!kc.tokenParsed || (!kc.refreshToken && kc.flow != 'implicit' )) {
throw 'Not authenticated';
}
if (kc.timeSkew == null) {
logInfo('[KEYCLOAK] Unable to determine if token is expired as timeskew is not set');
return true;
}
var expiresIn = kc.tokenParsed['exp'] - Math.ceil(new Date().getTime() / 1000) + kc.timeSkew;
if (minValidity) {
if (isNaN(minValidity)) {
throw 'Invalid minValidity';
}
expiresIn -= minValidity;
}
return expiresIn < 0;
}
kc.updateToken = function(minValidity) {
var promise = createPromise();
if (!kc.refreshToken) {
promise.setError();
return promise.promise;
}
minValidity = minValidity || 5;
var exec = function() {
var refreshToken = false;
if (minValidity == -1) {
refreshToken = true;
logInfo('[KEYCLOAK] Refreshing token: forced refresh');
} else if (!kc.tokenParsed || kc.isTokenExpired(minValidity)) {
refreshToken = true;
logInfo('[KEYCLOAK] Refreshing token: token expired');
}
if (!refreshToken) {
promise.setSuccess(false);
} else {
var params = 'grant_type=refresh_token&' + 'refresh_token=' + kc.refreshToken;
var url = kc.endpoints.token();
refreshQueue.push(promise);
if (refreshQueue.length == 1) {
var req = new XMLHttpRequest();
req.open('POST', url, true);
req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
req.withCredentials = true;
params += '&client_id=' + encodeURIComponent(kc.clientId);
var timeLocal = new Date().getTime();
req.onreadystatechange = function () {
if (req.readyState == 4) {
if (req.status == 200) {
logInfo('[KEYCLOAK] Token refreshed');
timeLocal = (timeLocal + new Date().getTime()) / 2;
var tokenResponse = JSON.parse(req.responseText);
setToken(tokenResponse['access_token'], tokenResponse['refresh_token'], tokenResponse['id_token'], timeLocal);
kc.onAuthRefreshSuccess && kc.onAuthRefreshSuccess();
for (var p = refreshQueue.pop(); p != null; p = refreshQueue.pop()) {
p.setSuccess(true);
}
} else {
logWarn('[KEYCLOAK] Failed to refresh token');
if (req.status == 400) {
kc.clearToken();
}
kc.onAuthRefreshError && kc.onAuthRefreshError();
for (var p = refreshQueue.pop(); p != null; p = refreshQueue.pop()) {
p.setError(true);
}
}
}
};
req.send(params);
}
}
}
if (loginIframe.enable) {
var iframePromise = checkLoginIframe();
iframePromise.then(function() {
exec();
}).catch(function(error) {
promise.setError(error);
});
} else {
exec();
}
return promise.promise;
}
kc.clearToken = function() {
if (kc.token) {
setToken(null, null, null);
kc.onAuthLogout && kc.onAuthLogout();
if (kc.loginRequired) {
kc.login();
}
}
}
function getRealmUrl() {
if (typeof kc.authServerUrl !== 'undefined') {
if (kc.authServerUrl.charAt(kc.authServerUrl.length - 1) == '/') {
return kc.authServerUrl + 'realms/' + encodeURIComponent(kc.realm);
} else {
return kc.authServerUrl + '/realms/' + encodeURIComponent(kc.realm);
}
} else {
return undefined;
}
}
function getOrigin() {
if (!window.location.origin) {
return window.location.protocol + "//" + window.location.hostname + (window.location.port ? ':' + window.location.port: '');
} else {
return window.location.origin;
}
}
function processCallback(oauth, promise) {
var code = oauth.code;
var error = oauth.error;
var prompt = oauth.prompt;
var timeLocal = new Date().getTime();
if (oauth['kc_action_status']) {
kc.onActionUpdate && kc.onActionUpdate(oauth['kc_action_status'], oauth['kc_action']);
}
if (error) {
if (prompt != 'none') {
if (oauth.error_description && oauth.error_description === "authentication_expired") {
kc.login(oauth.loginOptions);
} else {
var errorData = { error: error, error_description: oauth.error_description };
kc.onAuthError && kc.onAuthError(errorData);
promise && promise.setError(errorData);
}
} else {
promise && promise.setSuccess();
}
return;
} else if ((kc.flow != 'standard') && (oauth.access_token || oauth.id_token)) {
authSuccess(oauth.access_token, null, oauth.id_token, true);
}
if ((kc.flow != 'implicit') && code) {
var params = 'code=' + code + '&grant_type=authorization_code';
var url = kc.endpoints.token();
var req = new XMLHttpRequest();
req.open('POST', url, true);
req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
params += '&client_id=' + encodeURIComponent(kc.clientId);
params += '&redirect_uri=' + oauth.redirectUri;
if (oauth.pkceCodeVerifier) {
params += '&code_verifier=' + oauth.pkceCodeVerifier;
}
req.withCredentials = true;
req.onreadystatechange = function() {
if (req.readyState == 4) {
if (req.status == 200) {
var tokenResponse = JSON.parse(req.responseText);
authSuccess(tokenResponse['access_token'], tokenResponse['refresh_token'], tokenResponse['id_token'], kc.flow === 'standard');
scheduleCheckIframe();
} else {
kc.onAuthError && kc.onAuthError();
promise && promise.setError();
}
}
};
req.send(params);
}
function authSuccess(accessToken, refreshToken, idToken, fulfillPromise) {
timeLocal = (timeLocal + new Date().getTime()) / 2;
setToken(accessToken, refreshToken, idToken, timeLocal);
if (useNonce && (kc.idTokenParsed && kc.idTokenParsed.nonce != oauth.storedNonce)) {
logInfo('[KEYCLOAK] Invalid nonce, clearing token');
kc.clearToken();
promise && promise.setError();
} else {
if (fulfillPromise) {
kc.onAuthSuccess && kc.onAuthSuccess();
promise && promise.setSuccess();
}
}
}
}
function loadConfig(url) {
var promise = createPromise();
var configUrl;
if (!config) {
configUrl = 'keycloak.json';
} else if (typeof config === 'string') {
configUrl = config;
}
function setupOidcEndoints(oidcConfiguration) {
if (! oidcConfiguration) {
kc.endpoints = {
authorize: function() {
return getRealmUrl() + '/protocol/openid-connect/auth';
},
token: function() {
return getRealmUrl() + '/protocol/openid-connect/token';
},
logout: function() {
return getRealmUrl() + '/protocol/openid-connect/logout';
},
checkSessionIframe: function() {
return getRealmUrl() + '/protocol/openid-connect/login-status-iframe.html';
},
thirdPartyCookiesIframe: function() {
return getRealmUrl() + '/protocol/openid-connect/3p-cookies/step1.html';
},
register: function() {
return getRealmUrl() + '/protocol/openid-connect/registrations';
},
userinfo: function() {
return getRealmUrl() + '/protocol/openid-connect/userinfo';
}
};
} else {
kc.endpoints = {
authorize: function() {
return oidcConfiguration.authorization_endpoint;
},
token: function() {
return oidcConfiguration.token_endpoint;
},
logout: function() {
if (!oidcConfiguration.end_session_endpoint) {
throw "Not supported by the OIDC server";
}
return oidcConfiguration.end_session_endpoint;
},
checkSessionIframe: function() {
if (!oidcConfiguration.check_session_iframe) {
throw "Not supported by the OIDC server";
}
return oidcConfiguration.check_session_iframe;
},
register: function() {
throw 'Redirection to "Register user" page not supported in standard OIDC mode';
},
userinfo: function() {
if (!oidcConfiguration.userinfo_endpoint) {
throw "Not supported by the OIDC server";
}
return oidcConfiguration.userinfo_endpoint;
}
}
}
}
if (configUrl) {
var req = new XMLHttpRequest();
req.open('GET', configUrl, true);
req.setRequestHeader('Accept', 'application/json');
req.onreadystatechange = function () {
if (req.readyState == 4) {
if (req.status == 200 || fileLoaded(req)) {
var config = JSON.parse(req.responseText);
kc.authServerUrl = config['auth-server-url'];
kc.realm = config['realm'];
kc.clientId = config['resource'];
setupOidcEndoints(null);
promise.setSuccess();
} else {
promise.setError();
}
}
};
req.send();
} else {
if (!config.clientId) {
throw 'clientId missing';
}
kc.clientId = config.clientId;
var oidcProvider = config['oidcProvider'];
if (!oidcProvider) {
if (!config['url']) {
var scripts = document.getElementsByTagName('script');
for (var i = 0; i < scripts.length; i++) {
if (scripts[i].src.match(/.*keycloak\.js/)) {
config.url = scripts[i].src.substr(0, scripts[i].src.indexOf('/js/keycloak.js'));
break;
}
}
}
if (!config.realm) {
throw 'realm missing';
}
kc.authServerUrl = config.url;
kc.realm = config.realm;
setupOidcEndoints(null);
promise.setSuccess();
} else {
if (typeof oidcProvider === 'string') {
var oidcProviderConfigUrl;
if (oidcProvider.charAt(oidcProvider.length - 1) == '/') {
oidcProviderConfigUrl = oidcProvider + '.well-known/openid-configuration';
} else {
oidcProviderConfigUrl = oidcProvider + '/.well-known/openid-configuration';
}
var req = new XMLHttpRequest();
req.open('GET', oidcProviderConfigUrl, true);
req.setRequestHeader('Accept', 'application/json');
req.onreadystatechange = function () {
if (req.readyState == 4) {
if (req.status == 200 || fileLoaded(req)) {
var oidcProviderConfig = JSON.parse(req.responseText);
setupOidcEndoints(oidcProviderConfig);
promise.setSuccess();
} else {
promise.setError();
}
}
};
req.send();
} else {
setupOidcEndoints(oidcProvider);
promise.setSuccess();
}
}
}
return promise.promise;
}
function fileLoaded(xhr) {
return xhr.status == 0 && xhr.responseText && xhr.responseURL.startsWith('file:');
}
function setToken(token, refreshToken, idToken, timeLocal) {
if (kc.tokenTimeoutHandle) {
clearTimeout(kc.tokenTimeoutHandle);
kc.tokenTimeoutHandle = null;
}
if (refreshToken) {
kc.refreshToken = refreshToken;
kc.refreshTokenParsed = decodeToken(refreshToken);
} else {
delete kc.refreshToken;
delete kc.refreshTokenParsed;
}
if (idToken) {
kc.idToken = idToken;
kc.idTokenParsed = decodeToken(idToken);
} else {
delete kc.idToken;
delete kc.idTokenParsed;
}
if (token) {
kc.token = token;
kc.tokenParsed = decodeToken(token);
kc.sessionId = kc.tokenParsed.sid;
kc.authenticated = true;
kc.subject = kc.tokenParsed.sub;
kc.realmAccess = kc.tokenParsed.realm_access;
kc.resourceAccess = kc.tokenParsed.resource_access;
if (timeLocal) {
kc.timeSkew = Math.floor(timeLocal / 1000) - kc.tokenParsed.iat;
}
if (kc.timeSkew != null) {
logInfo('[KEYCLOAK] Estimated time difference between browser and server is ' + kc.timeSkew + ' seconds');
if (kc.onTokenExpired) {
var expiresIn = (kc.tokenParsed['exp'] - (new Date().getTime() / 1000) + kc.timeSkew) * 1000;
logInfo('[KEYCLOAK] Token expires in ' + Math.round(expiresIn / 1000) + ' s');
if (expiresIn <= 0) {
kc.onTokenExpired();
} else {
kc.tokenTimeoutHandle = setTimeout(kc.onTokenExpired, expiresIn);
}
}
}
} else {
delete kc.token;
delete kc.tokenParsed;
delete kc.subject;
delete kc.realmAccess;
delete kc.resourceAccess;
kc.authenticated = false;
}
}
function createUUID() {
var hexDigits = '0123456789abcdef';
var s = generateRandomString(36, hexDigits).split("");
s[14] = '4';
s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);
s[8] = s[13] = s[18] = s[23] = '-';
var uuid = s.join('');
return uuid;
}
function parseCallback(url) {
var oauth = parseCallbackUrl(url);
if (!oauth) {
return;
}
var oauthState = callbackStorage.get(oauth.state);
if (oauthState) {
oauth.valid = true;
oauth.redirectUri = oauthState.redirectUri;
oauth.storedNonce = oauthState.nonce;
oauth.prompt = oauthState.prompt;
oauth.pkceCodeVerifier = oauthState.pkceCodeVerifier;
oauth.loginOptions = oauthState.loginOptions;
}
return oauth;
}
function parseCallbackUrl(url) {
var supportedParams;
switch (kc.flow) {
case 'standard':
supportedParams = ['code', 'state', 'session_state', 'kc_action_status', 'kc_action', 'iss'];
break;
case 'implicit':
supportedParams = ['access_token', 'token_type', 'id_token', 'state', 'session_state', 'expires_in', 'kc_action_status', 'kc_action', 'iss'];
break;
case 'hybrid':
supportedParams = ['access_token', 'token_type', 'id_token', 'code', 'state', 'session_state', 'expires_in', 'kc_action_status', 'kc_action', 'iss'];
break;
}
supportedParams.push('error');
supportedParams.push('error_description');
supportedParams.push('error_uri');
var queryIndex = url.indexOf('?');
var fragmentIndex = url.indexOf('#');
var newUrl;
var parsed;
if (kc.responseMode === 'query' && queryIndex !== -1) {
newUrl = url.substring(0, queryIndex);
parsed = parseCallbackParams(url.substring(queryIndex + 1, fragmentIndex !== -1 ? fragmentIndex : url.length), supportedParams);
if (parsed.paramsString !== '') {
newUrl += '?' + parsed.paramsString;
}
if (fragmentIndex !== -1) {
newUrl += url.substring(fragmentIndex);
}
} else if (kc.responseMode === 'fragment' && fragmentIndex !== -1) {
newUrl = url.substring(0, fragmentIndex);
parsed = parseCallbackParams(url.substring(fragmentIndex + 1), supportedParams);
if (parsed.paramsString !== '') {
newUrl += '#' + parsed.paramsString;
}
}
if (parsed && parsed.oauthParams) {
if (kc.flow === 'standard' || kc.flow === 'hybrid') {
if ((parsed.oauthParams.code || parsed.oauthParams.error) && parsed.oauthParams.state) {
parsed.oauthParams.newUrl = newUrl;
return parsed.oauthParams;
}
} else if (kc.flow === 'implicit') {
if ((parsed.oauthParams.access_token || parsed.oauthParams.error) && parsed.oauthParams.state) {
parsed.oauthParams.newUrl = newUrl;
return parsed.oauthParams;
}
}
}
}
function parseCallbackParams(paramsString, supportedParams) {
var p = paramsString.split('&');
var result = {
paramsString: '',
oauthParams: {}
}
for (var i = 0; i < p.length; i++) {
var split = p[i].indexOf("=");
var key = p[i].slice(0, split);
if (supportedParams.indexOf(key) !== -1) {
result.oauthParams[key] = p[i].slice(split + 1);
} else {
if (result.paramsString !== '') {
result.paramsString += '&';
}
result.paramsString += p[i];
}
}
return result;
}
function createPromise() {
// Need to create a native Promise which also preserves the
// interface of the custom promise type previously used by the API
var p = {
setSuccess: function(result) {
p.resolve(result);
},
setError: function(result) {
p.reject(result);
}
};
p.promise = new Promise(function(resolve, reject) {
p.resolve = resolve;
p.reject = reject;
});
return p;
}
// Function to extend existing native Promise with timeout
function applyTimeoutToPromise(promise, timeout, errorMessage) {
var timeoutHandle = null;
var timeoutPromise = new Promise(function (resolve, reject) {
timeoutHandle = setTimeout(function () {
reject({ "error": errorMessage || "Promise is not settled within timeout of " + timeout + "ms" });
}, timeout);
});
return Promise.race([promise, timeoutPromise]).finally(function () {
clearTimeout(timeoutHandle);
});
}
function setupCheckLoginIframe() {
var promise = createPromise();
if (!loginIframe.enable) {
promise.setSuccess();
return promise.promise;
}
if (loginIframe.iframe) {
promise.setSuccess();
return promise.promise;
}
var iframe = document.createElement('iframe');
loginIframe.iframe = iframe;
iframe.onload = function() {
var authUrl = kc.endpoints.authorize();
if (authUrl.charAt(0) === '/') {
loginIframe.iframeOrigin = getOrigin();
} else {
loginIframe.iframeOrigin = authUrl.substring(0, authUrl.indexOf('/', 8));
}
promise.setSuccess();
}
var src = kc.endpoints.checkSessionIframe();
iframe.setAttribute('src', src );
iframe.setAttribute('sandbox', 'allow-storage-access-by-user-activation allow-scripts allow-same-origin');
iframe.setAttribute('title', 'keycloak-session-iframe' );
iframe.style.display = 'none';
document.body.appendChild(iframe);
var messageCallback = function(event) {
if ((event.origin !== loginIframe.iframeOrigin) || (loginIframe.iframe.contentWindow !== event.source)) {
return;
}
if (!(event.data == 'unchanged' || event.data == 'changed' || event.data == 'error')) {
return;
}
if (event.data != 'unchanged') {
kc.clearToken();
}
var callbacks = loginIframe.callbackList.splice(0, loginIframe.callbackList.length);
for (var i = callbacks.length - 1; i >= 0; --i) {
var promise = callbacks[i];
if (event.data == 'error') {
promise.setError();
} else {
promise.setSuccess(event.data == 'unchanged');
}
}
};
window.addEventListener('message', messageCallback, false);
return promise.promise;
}
function scheduleCheckIframe() {
if (loginIframe.enable) {
if (kc.token) {
setTimeout(function() {
checkLoginIframe().then(function(unchanged) {
if (unchanged) {
scheduleCheckIframe();
}
});
}, loginIframe.interval * 1000);
}
}
}
function checkLoginIframe() {
var promise = createPromise();
if (loginIframe.iframe && loginIframe.iframeOrigin ) {
var msg = kc.clientId + ' ' + (kc.sessionId ? kc.sessionId : '');
loginIframe.callbackList.push(promise);
var origin = loginIframe.iframeOrigin;
if (loginIframe.callbackList.length == 1) {
loginIframe.iframe.contentWindow.postMessage(msg, origin);
}
} else {
promise.setSuccess();
}
return promise.promise;
}
function check3pCookiesSupported() {
var promise = createPromise();
if (loginIframe.enable || kc.silentCheckSsoRedirectUri) {
var iframe = document.createElement('iframe');
iframe.setAttribute('src', kc.endpoints.thirdPartyCookiesIframe());
iframe.setAttribute('sandbox', 'allow-storage-access-by-user-activation allow-scripts allow-same-origin');
iframe.setAttribute('title', 'keycloak-3p-check-iframe' );
iframe.style.display = 'none';
document.body.appendChild(iframe);
var messageCallback = function(event) {
if (iframe.contentWindow !== event.source) {
return;
}
if (event.data !== "supported" && event.data !== "unsupported") {
return;
} else if (event.data === "unsupported") {
logWarn(
"[KEYCLOAK] Your browser is blocking access to 3rd-party cookies, this means:\n\n" +
" - It is not possible to retrieve tokens without redirecting to the Keycloak server (a.k.a. no support for silent authentication).\n" +
" - It is not possible to automatically detect changes to the session status (such as the user logging out in another tab).\n\n" +
"For more information see: https://www.keycloak.org/docs/latest/securing_apps/#_modern_browsers"
);
loginIframe.enable = false;
if (kc.silentCheckSsoFallback) {
kc.silentCheckSsoRedirectUri = false;
}
}
document.body.removeChild(iframe);
window.removeEventListener("message", messageCallback);
promise.setSuccess();
};
window.addEventListener('message', messageCallback, false);
} else {
promise.setSuccess();
}
return applyTimeoutToPromise(promise.promise, kc.messageReceiveTimeout, "Timeout when waiting for 3rd party check iframe message.");
}
function loadAdapter(type) {
if (!type || type == 'default') {
return {
login: async function(options) {
window.location.assign(await kc.createLoginUrl(options));
return createPromise().promise;
},
logout: async function(options) {
const logoutMethod = options?.logoutMethod ?? kc.logoutMethod;
if (logoutMethod === "GET") {
window.location.replace(kc.createLogoutUrl(options));
return;
}
const logoutUrl = kc.createLogoutUrl(options);
const response = await fetch(logoutUrl, {
method: "POST",
headers: {
"Content-Type": "application/x-www-form-urlencoded"
},
body: new URLSearchParams({
id_token_hint: kc.idToken,
client_id: kc.clientId,
post_logout_redirect_uri: adapter.redirectUri(options, false)
})
});
if (response.redirected) {
window.location.href = response.url;
return;
}
if (response.ok) {
window.location.reload();
return;
}
throw new Error("Logout failed, request returned an error code.");
},
register: function(options) {
window.location.assign(kc.createRegisterUrl(options));
return createPromise().promise;
},
accountManagement : function() {
var accountUrl = kc.createAccountUrl();
if (typeof accountUrl !== 'undefined') {
window.location.href = accountUrl;
} else {
throw "Not supported by the OIDC server";
}
return createPromise().promise;
},
redirectUri: function(options, encodeHash) {
if (arguments.length == 1) {
encodeHash = true;
}
if (options && options.redirectUri) {
return options.redirectUri;
} else if (kc.redirectUri) {
return kc.redirectUri;
} else {
return location.href;
}
}
};
}
if (type == 'cordova') {
loginIframe.enable = false;
var cordovaOpenWindowWrapper = function(loginUrl, target, options) {
if (window.cordova && window.cordova.InAppBrowser) {
// Use inappbrowser for IOS and Android if available
return window.cordova.InAppBrowser.open(loginUrl, target, options);
} else {
return window.open(loginUrl, target, options);
}
};
var shallowCloneCordovaOptions = function (userOptions) {
if (userOptions && userOptions.cordovaOptions) {
return Object.keys(userOptions.cordovaOptions).reduce(function (options, optionName) {
options[optionName] = userOptions.cordovaOptions[optionName];
return options;
}, {});
} else {
return {};
}
};
var formatCordovaOptions = function (cordovaOptions) {
return Object.keys(cordovaOptions).reduce(function (options, optionName) {
options.push(optionName+"="+cordovaOptions[optionName]);
return options;
}, []).join(",");
};
var createCordovaOptions = function (userOptions) {
var cordovaOptions = shallowCloneCordovaOptions(userOptions);
cordovaOptions.location = 'no';
if (userOptions && userOptions.prompt == 'none') {
cordovaOptions.hidden = 'yes';
}
return formatCordovaOptions(cordovaOptions);
};
var getCordovaRedirectUri = function() {
return kc.redirectUri || 'http://localhost';
}
return {
login: async function(options) {
var promise = createPromise();
var cordovaOptions = createCordovaOptions(options);
var loginUrl = await kc.createLoginUrl(options);
var ref = cordovaOpenWindowWrapper(loginUrl, '_blank', cordovaOptions);
var completed = false;
var closed = false;
var closeBrowser = function() {
closed = true;
ref.close();
};
ref.addEventListener('loadstart', function(event) {
if (event.url.indexOf(getCordovaRedirectUri()) == 0) {
var callback = parseCallback(event.url);
processCallback(callback, promise);
closeBrowser();
completed = true;
}
});
ref.addEventListener('loaderror', function(event) {
if (!completed) {
if (event.url.indexOf(getCordovaRedirectUri()) == 0) {
var callback = parseCallback(event.url);
processCallback(callback, promise);
closeBrowser();
completed = true;
} else {
promise.setError();
closeBrowser();
}
}
});
ref.addEventListener('exit', function(event) {
if (!closed) {
promise.setError({
reason: "closed_by_user"
});
}
});
return promise.promise;
},
logout: function(options) {
var promise = createPromise();
var logoutUrl = kc.createLogoutUrl(options);
var ref = cordovaOpenWindowWrapper(logoutUrl, '_blank', 'location=no,hidden=yes,clearcache=yes');
var error;
ref.addEventListener('loadstart', function(event) {
if (event.url.indexOf(getCordovaRedirectUri()) == 0) {
ref.close();
}
});
ref.addEventListener('loaderror', function(event) {
if (event.url.indexOf(getCordovaRedirectUri()) == 0) {
ref.close();
} else {
error = true;
ref.close();
}
});
ref.addEventListener('exit', function(event) {
if (error) {
promise.setError();
} else {
kc.clearToken();
promise.setSuccess();
}
});
return promise.promise;
},
register : function(options) {
var promise = createPromise();
var registerUrl = kc.createRegisterUrl();
var cordovaOptions = createCordovaOptions(options);
var ref = cordovaOpenWindowWrapper(registerUrl, '_blank', cordovaOptions);
ref.addEventListener('loadstart', function(event) {
if (event.url.indexOf(getCordovaRedirectUri()) == 0) {
ref.close();
var oauth = parseCallback(event.url);
processCallback(oauth, promise);
}
});
return promise.promise;
},
accountManagement : function() {
var accountUrl = kc.createAccountUrl();
if (typeof accountUrl !== 'undefined') {
var ref = cordovaOpenWindowWrapper(accountUrl, '_blank', 'location=no');
ref.addEventListener('loadstart', function(event) {
if (event.url.indexOf(getCordovaRedirectUri()) == 0) {
ref.close();
}
});
} else {
throw "Not supported by the OIDC server";
}
},
redirectUri: function(options) {
return getCordovaRedirectUri();
}
}
}
if (type == 'cordova-native') {
loginIframe.enable = false;
return {
login: async function(options) {
var promise = createPromise();
var loginUrl = await kc.createLoginUrl(options);
universalLinks.subscribe('keycloak', function(event) {
universalLinks.unsubscribe('keycloak');
window.cordova.plugins.browsertab.close();
var oauth = parseCallback(event.url);
processCallback(oauth, promise);
});
window.cordova.plugins.browsertab.openUrl(loginUrl);
return promise.promise;
},
logout: function(options) {
var promise = createPromise();
var logoutUrl = kc.createLogoutUrl(options);
universalLinks.subscribe('keycloak', function(event) {
universalLinks.unsubscribe('keycloak');
window.cordova.plugins.browsertab.close();
kc.clearToken();
promise.setSuccess();
});
window.cordova.plugins.browsertab.openUrl(logoutUrl);
return promise.promise;
},
register : function(options) {
var promise = createPromise();
var registerUrl = kc.createRegisterUrl(options);
universalLinks.subscribe('keycloak' , function(event) {
universalLinks.unsubscribe('keycloak');
window.cordova.plugins.browsertab.close();
var oauth = parseCallback(event.url);
processCallback(oauth, promise);
});
window.cordova.plugins.browsertab.openUrl(registerUrl);
return promise.promise;
},
accountManagement : function() {
var accountUrl = kc.createAccountUrl();
if (typeof accountUrl !== 'undefined') {
window.cordova.plugins.browsertab.openUrl(accountUrl);
} else {
throw "Not supported by the OIDC server";
}
},
redirectUri: function(options) {
if (options && options.redirectUri) {
return options.redirectUri;
} else if (kc.redirectUri) {
return kc.redirectUri;
} else {
return "http://localhost";
}
}
}
}
throw 'invalid adapter type: ' + type;
}
var LocalStorage = function() {
if (!(this instanceof LocalStorage)) {
return new LocalStorage();
}
localStorage.setItem('kc-test', 'test');
localStorage.removeItem('kc-test');
var cs = this;
function clearExpired() {
var time = new Date().getTime();
for (var i = 0; i < localStorage.length; i++) {
var key = localStorage.key(i);
if (key && key.indexOf('kc-callback-') == 0) {
var value = localStorage.getItem(key);
if (value) {
try {
var expires = JSON.parse(value).expires;
if (!expires || expires < time) {
localStorage.removeItem(key);
}
} catch (err) {
localStorage.removeItem(key);
}
}
}
}
}
cs.get = function(state) {
if (!state) {
return;
}
var key = 'kc-callback-' + state;
var value = localStorage.getItem(key);
if (value) {
localStorage.removeItem(key);
value = JSON.parse(value);
}
clearExpired();
return value;
};
cs.add = function(state) {
clearExpired();
var key = 'kc-callback-' + state.state;
state.expires = new Date().getTime() + (60 * 60 * 1000);
localStorage.setItem(key, JSON.stringify(state));
};
};
var CookieStorage = function() {
if (!(this instanceof CookieStorage)) {
return new CookieStorage();
}
var cs = this;
cs.get = function(state) {
if (!state) {
return;
}
var value = getCookie('kc-callback-' + state);
setCookie('kc-callback-' + state, '', cookieExpiration(-100));
if (value) {
return JSON.parse(value);
}
};
cs.add = function(state) {
setCookie('kc-callback-' + state.state, JSON.stringify(state), cookieExpiration(60));
};
cs.removeItem = function(key) {
setCookie(key, '', cookieExpiration(-100));
};
var cookieExpiration = function (minutes) {
var exp = new Date();
exp.setTime(exp.getTime() + (minutes*60*1000));
return exp;
};
var getCookie = function (key) {
var name = key + '=';
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') {
c = c.substring(1);
}
if (c.indexOf(name) == 0) {
return c.substring(name.length, c.length);
}
}
return '';
};
var setCookie = function (key, value, expirationDate) {
var cookie = key + '=' + value + '; '
+ 'expires=' + expirationDate.toUTCString() + '; ';
document.cookie = cookie;
}
};
function createCallbackStorage() {
try {
return new LocalStorage();
} catch (err) {
}
return new CookieStorage();
}
function createLogger(fn) {
return function() {
if (kc.enableLogging) {
fn.apply(console, Array.prototype.slice.call(arguments));
}
};
}
}
export default Keycloak;
/**
* @param {ArrayBuffer} bytes
* @see https://developer.mozilla.org/en-US/docs/Glossary/Base64#the_unicode_problem
*/
function bytesToBase64(bytes) {
const binString = String.fromCodePoint(...bytes);
return btoa(binString);
}
/**
* @param {string} message
* @see https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest#basic_example
*/
async function sha256Digest(message) {
const encoder = new TextEncoder();
const data = encoder.encode(message);
const hash = await crypto.subtle.digest("SHA-256", data);
return hash;
}
/**
* @param {string} token
*/
function decodeToken(token) {
const [header, payload] = token.split(".");
if (typeof payload !== "string") {
throw new Error("Unable to decode token, payload not found.");
}
let decoded;
try {
decoded = base64UrlDecode(payload);
} catch (error) {
throw new Error("Unable to decode token, payload is not a valid Base64URL value.", { cause: error });
}
try {
return JSON.parse(decoded);
} catch (error) {
throw new Error("Unable to decode token, payload is not a valid JSON value.", { cause: error });
}
}
/**
* @param {string} input
*/
function base64UrlDecode(input) {
let output = input
.replaceAll("-", "+")
.replaceAll("_", "/");
switch (output.length % 4) {
case 0:
break;
case 2:
output += "==";
break;
case 3:
output += "=";
break;
default:
throw new Error("Input is not of the correct length.");
}
try {
return b64DecodeUnicode(output);
} catch (error) {
return atob(output);
}
}
/**
* @param {string} input
*/
function b64DecodeUnicode(input) {
return decodeURIComponent(atob(input).replace(/(.)/g, (m, p) => {
let code = p.charCodeAt(0).toString(16).toUpperCase();
if (code.length < 2) {
code = "0" + code;
}
return "%" + code;
}));
}