aws-cognito-identity.js

/*!
 * Copyright 2016 Amazon.com,
 * Inc. or its affiliates. All Rights Reserved.
 * 
 * Licensed under the Amazon Software License (the "License").
 * You may not use this file except in compliance with the
 * License. A copy of the License is located at
 * 
 *     http://aws.amazon.com/asl/
 * 
 * or in the "license" file accompanying this file. This file is
 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, express or implied. See the License
 * for the specific language governing permissions and
 * limitations under the License. 
 */
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0!==arguments[0]?arguments[0]:{},i=t.RefreshToken;n(this,e),this.token=i||""}return i(e,[{key:"getToken",value:function(){return this.token}}]),e}();t.default=s},function(e,t,n){"use strict";function i(e){return e&&e.__esModule?e:{default:e}}function s(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var r=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),o=n(1),a=n(3),u=i(a),l=n(2),c=i(l),h=n(4),f=i(h),d=n(5),v=i(d),g=n(6),m=i(g),p=n(9),y=i(p),S=n(10),C=i(S),w=n(8),k=i(w),A=n(11),T=i(A),U=function(){function e(t){if(s(this,e),null==t||null==t.Username||null==t.Pool)throw new Error("Username and pool information are required.");this.username=t.Username||"",this.pool=t.Pool,this.Session=null,this.client=t.Pool.client,this.signInUserSession=null,this.authenticationFlowType="USER_SRP_AUTH",this.storage=(new T.default).getStorage()}return r(e,[{key:"getSignInUserSession",value:function(){return this.signInUserSession}},{key:"getUsername",value:function(){return this.username}},{key:"getAuthenticationFlowType",value:function(){return this.authenticationFlowType}},{key:"setAuthenticationFlowType",value:function(e){this.authenticationFlowType=e}},{key:"authenticateUser",value:function(e,t){var n=this,i=new c.default(this.pool.getUserPoolId().split("_")[1]),s=new C.default,r=void 0,a=void 0,l={};null!=this.deviceKey&&(l.DEVICE_KEY=this.deviceKey),l.USERNAME=this.username,l.SRP_A=i.getLargeAValue().toString(16),"CUSTOM_AUTH"===this.authenticationFlowType&&(l.CHALLENGE_NAME="SRP_A"),this.client.makeUnauthenticatedRequest("initiateAuth",{AuthFlow:this.authenticationFlowType,ClientId:this.pool.getClientId(),AuthParameters:l,ClientMetadata:e.getValidationData()},function(l,c){if(l)return t.onFailure(l);var h=c.ChallengeParameters;n.username=h.USER_ID_FOR_SRP,r=new u.default(h.SRP_B,16),a=new u.default(h.SALT,16),n.getCachedDeviceKeyAndPassword();var f=i.getPasswordAuthenticationKey(n.username,e.getPassword(),r,a),d=s.getNowString(),v=o.util.crypto.hmac(f,o.util.buffer.concat([new o.util.Buffer(n.pool.getUserPoolId().split("_")[1],"utf8"),new o.util.Buffer(n.username,"utf8"),new o.util.Buffer(h.SECRET_BLOCK,"base64"),new o.util.Buffer(d,"utf8")]),"base64","sha256"),g={};g.USERNAME=n.username,g.PASSWORD_CLAIM_SECRET_BLOCK=h.SECRET_BLOCK,g.TIMESTAMP=d,g.PASSWORD_CLAIM_SIGNATURE=v,null!=n.deviceKey&&(g.DEVICE_KEY=n.deviceKey);var m=function e(t,i){return n.client.makeUnauthenticatedRequest("respondToAuthChallenge",t,function(s,r){return s&&"ResourceNotFoundException"===s.code&&s.message.toLowerCase().indexOf("device")!==-1?(g.DEVICE_KEY=null,n.deviceKey=null,n.randomPassword=null,n.deviceGroupKey=null,n.clearCachedDeviceKeyAndPassword(),e(t,i)):i(s,r)})};m({ChallengeName:"PASSWORD_VERIFIER",ClientId:n.pool.getClientId(),ChallengeResponses:g,Session:c.Session},function(e,s){if(e)return t.onFailure(e);var r=s.ChallengeName;if("NEW_PASSWORD_REQUIRED"===r){n.Session=s.Session;var o=null,a=null,u=[],l=i.getNewPasswordRequiredChallengeUserAttributePrefix();if(s.ChallengeParameters&&(o=JSON.parse(s.ChallengeParameters.userAttributes),a=JSON.parse(s.ChallengeParameters.requiredAttributes)),a)for(var c=0;c<a.length;c++)u[c]=a[c].substr(l.length);return t.newPasswordRequired(o,u)}return n.authenticateUserInternal(s,i,t)})})}},{key:"authenticateUserInternal",value:function(e,t,n){var i=this,s=e.ChallengeName,r=e.ChallengeParameters;if("SMS_MFA"===s)return this.Session=e.Session,n.mfaRequired(s,r);if("CUSTOM_CHALLENGE"===s)return this.Session=e.Session,n.customChallenge(r);if("DEVICE_SRP_AUTH"===s)return void this.getDeviceResponse(n);this.signInUserSession=this.getCognitoUserSession(e.AuthenticationResult),this.cacheTokens();var a=e.AuthenticationResult.NewDeviceMetadata;if(null==a)return n.onSuccess(this.signInUserSession);t.generateHashDevice(e.AuthenticationResult.NewDeviceMetadata.DeviceGroupKey,e.AuthenticationResult.NewDeviceMetadata.DeviceKey);var u={Salt:new o.util.Buffer(t.getSaltDevices(),"hex").toString("base64"),PasswordVerifier:new o.util.Buffer(t.getVerifierDevices(),"hex").toString("base64")};this.verifierDevices=u.PasswordVerifier,this.deviceGroupKey=a.DeviceGroupKey,this.randomPassword=t.getRandomPassword(),this.client.makeUnauthenticatedRequest("confirmDevice",{DeviceKey:a.DeviceKey,AccessToken:this.signInUserSession.getAccessToken().getJwtToken(),DeviceSecretVerifierConfig:u,DeviceName:navigator.userAgent},function(t,s){return t?n.onFailure(t):(i.deviceKey=e.AuthenticationResult.NewDeviceMetadata.DeviceKey,i.cacheDeviceKeyAndPassword(),s.UserConfirmationNecessary===!0?n.onSuccess(i.signInUserSession,s.UserConfirmationNecessary):n.onSuccess(i.signInUserSession))})}},{key:"completeNewPasswordChallenge",value:function(e,t,n){var i=this;if(!e)return n.onFailure(new Error("New password is required."));var s=new c.default(this.pool.getUserPoolId().split("_")[1]),r=s.getNewPasswordRequiredChallengeUserAttributePrefix(),o={};t&&Object.keys(t).forEach(function(e){o[r+e]=t[e]}),o.NEW_PASSWORD=e,o.USERNAME=this.username,this.client.makeUnauthenticatedRequest("respondToAuthChallenge",{ChallengeName:"NEW_PASSWORD_REQUIRED",ClientId:this.pool.getClientId(),ChallengeResponses:o,Session:this.Session},function(e,t){return e?n.onFailure(e):i.authenticateUserInternal(t,s,n)})}},{key:"getDeviceResponse",value:function(e){var t=this,n=new c.default(this.deviceGroupKey),i=new C.default,s={};s.USERNAME=this.username,s.DEVICE_KEY=this.deviceKey,s.SRP_A=n.getLargeAValue().toString(16),this.client.makeUnauthenticatedRequest("respondToAuthChallenge",{ChallengeName:"DEVICE_SRP_AUTH",ClientId:this.pool.getClientId(),ChallengeResponses:s},function(s,r){if(s)return e.onFailure(s);var a=r.ChallengeParameters,l=new u.default(a.SRP_B,16),c=new u.default(a.SALT,16),h=n.getPasswordAuthenticationKey(t.deviceKey,t.randomPassword,l,c),f=i.getNowString(),d=o.util.crypto.hmac(h,o.util.buffer.concat([new o.util.Buffer(t.deviceGroupKey,"utf8"),new o.util.Buffer(t.deviceKey,"utf8"),new o.util.Buffer(a.SECRET_BLOCK,"base64"),new o.util.Buffer(f,"utf8")]),"base64","sha256"),v={};v.USERNAME=t.username,v.PASSWORD_CLAIM_SECRET_BLOCK=a.SECRET_BLOCK,v.TIMESTAMP=f,v.PASSWORD_CLAIM_SIGNATURE=d,v.DEVICE_KEY=t.deviceKey,t.client.makeUnauthenticatedRequest("respondToAuthChallenge",{ChallengeName:"DEVICE_PASSWORD_VERIFIER",ClientId:t.pool.getClientId(),ChallengeResponses:v,Session:r.Session},function(n,i){return n?e.onFailure(n):(t.signInUserSession=t.getCognitoUserSession(i.AuthenticationResult),t.cacheTokens(),e.onSuccess(t.signInUserSession))})})}},{key:"confirmRegistration",value:function(e,t,n){this.client.makeUnauthenticatedRequest("confirmSignUp",{ClientId:this.pool.getClientId(),ConfirmationCode:e,Username:this.username,ForceAliasCreation:t},function(e){return e?n(e,null):n(null,"SUCCESS")})}},{key:"sendCustomChallengeAnswer",value:function(e,t){var n=this,i={};i.USERNAME=this.username,i.ANSWER=e,this.client.makeUnauthenticatedRequest("respondToAuthChallenge",{ChallengeName:"CUSTOM_CHALLENGE",ChallengeResponses:i,ClientId:this.pool.getClientId(),Session:this.Session},function(e,i){if(e)return t.onFailure(e);var s=i.ChallengeName;return"CUSTOM_CHALLENGE"===s?(n.Session=i.Session,t.customChallenge(i.ChallengeParameters)):(n.signInUserSession=n.getCognitoUserSession(i.AuthenticationResult),n.cacheTokens(),t.onSuccess(n.signInUserSession))})}},{key:"sendMFACode",value:function(e,t){var n=this,i={};i.USERNAME=this.username,i.SMS_MFA_CODE=e,null!=this.deviceKey&&(i.DEVICE_KEY=this.deviceKey),this.client.makeUnauthenticatedRequest("respondToAuthChallenge",{ChallengeName:"SMS_MFA",ChallengeResponses:i,ClientId:this.pool.getClientId(),Session:this.Session},function(e,i){if(e)return t.onFailure(e);var s=i.ChallengeName;if("DEVICE_SRP_AUTH"===s)return void n.getDeviceResponse(t);if(n.signInUserSession=n.getCognitoUserSession(i.AuthenticationResult),n.cacheTokens(),null==i.AuthenticationResult.NewDeviceMetadata)return t.onSuccess(n.signInUserSession);var r=new c.default(n.pool.getUserPoolId().split("_")[1]);r.generateHashDevice(i.AuthenticationResult.NewDeviceMetadata.DeviceGroupKey,i.AuthenticationResult.NewDeviceMetadata.DeviceKey);var a={Salt:new o.util.Buffer(r.getSaltDevices(),"hex").toString("base64"),PasswordVerifier:new o.util.Buffer(r.getVerifierDevices(),"hex").toString("base64")};n.verifierDevices=a.PasswordVerifier,n.deviceGroupKey=i.AuthenticationResult.NewDeviceMetadata.DeviceGroupKey,n.randomPassword=r.getRandomPassword(),n.client.makeUnauthenticatedRequest("confirmDevice",{DeviceKey:i.AuthenticationResult.NewDeviceMetadata.DeviceKey,AccessToken:n.signInUserSession.getAccessToken().getJwtToken(),DeviceSecretVerifierConfig:a,DeviceName:navigator.userAgent},function(e,s){return e?t.onFailure(e):(n.deviceKey=i.AuthenticationResult.NewDeviceMetadata.DeviceKey,n.cacheDeviceKeyAndPassword(),s.UserConfirmationNecessary===!0?t.onSuccess(n.signInUserSession,s.UserConfirmationNecessary):t.onSuccess(n.signInUserSession))})})}},{key:"changePassword",value:function(e,t,n){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("changePassword",{PreviousPassword:e,ProposedPassword:t,AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(e){return e?n(e,null):n(null,"SUCCESS")}):n(new Error("User is not authenticated"),null)}},{key:"enableMFA",value:function(e){if(null==this.signInUserSession||!this.signInUserSession.isValid())return e(new Error("User is not authenticated"),null);var t=[],n={DeliveryMedium:"SMS",AttributeName:"phone_number"};t.push(n),this.client.makeUnauthenticatedRequest("setUserSettings",{MFAOptions:t,AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(t){return t?e(t,null):e(null,"SUCCESS")})}},{key:"disableMFA",value:function(e){if(null==this.signInUserSession||!this.signInUserSession.isValid())return e(new Error("User is not authenticated"),null);var t=[];this.client.makeUnauthenticatedRequest("setUserSettings",{MFAOptions:t,AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(t){return t?e(t,null):e(null,"SUCCESS")})}},{key:"deleteUser",value:function(e){var t=this;return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("deleteUser",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(n){return n?e(n,null):(t.clearCachedTokens(),e(null,"SUCCESS"))}):e(new Error("User is not authenticated"),null)}},{key:"updateAttributes",value:function(e,t){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("updateUserAttributes",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken(),UserAttributes:e},function(e){return e?t(e,null):t(null,"SUCCESS")}):t(new Error("User is not authenticated"),null)}},{key:"getUserAttributes",value:function(e){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("getUser",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(t,n){if(t)return e(t,null);for(var i=[],s=0;s<n.UserAttributes.length;s++){var r={Name:n.UserAttributes[s].Name,Value:n.UserAttributes[s].Value},o=new k.default(r);i.push(o)}return e(null,i)}):e(new Error("User is not authenticated"),null)}},{key:"getMFAOptions",value:function(e){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("getUser",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(t,n){return t?e(t,null):e(null,n.MFAOptions)}):e(new Error("User is not authenticated"),null)}},{key:"deleteAttributes",value:function(e,t){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("deleteUserAttributes",{UserAttributeNames:e,AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(e){return e?t(e,null):t(null,"SUCCESS")}):t(new Error("User is not authenticated"),null)}},{key:"resendConfirmationCode",value:function(e){this.client.makeUnauthenticatedRequest("resendConfirmationCode",{ClientId:this.pool.getClientId(),Username:this.username},function(t){return t?e(t,null):e(null,"SUCCESS")})}},{key:"getSession",value:function(e){if(null==this.username)return e(new Error("Username is null. Cannot retrieve a new session"),null);if(null!=this.signInUserSession&&this.signInUserSession.isValid())return e(null,this.signInUserSession);var t="CognitoIdentityServiceProvider."+this.pool.getClientId()+"."+this.username,n=t+".idToken",i=t+".accessToken",s=t+".refreshToken";if(this.storage.getItem(n)){var r=new v.default({IdToken:this.storage.getItem(n)}),o=new f.default({AccessToken:this.storage.getItem(i)}),a=new m.default({RefreshToken:this.storage.getItem(s)}),u={IdToken:r,AccessToken:o,RefreshToken:a},l=new y.default(u);if(l.isValid())return this.signInUserSession=l,e(null,this.signInUserSession);if(null==a.getToken())return e(new Error("Cannot retrieve a new session. Please authenticate."),null);this.refreshSession(a,e)}else e(new Error("Local storage is missing an ID Token, Please authenticate"),null)}},{key:"refreshSession",value:function(e,t){var n=this,i={};i.REFRESH_TOKEN=e.getToken();var s="CognitoIdentityServiceProvider."+this.pool.getClientId(),r=s+".LastAuthUser";if(this.storage.getItem(r)){this.username=this.storage.getItem(r);var o=s+"."+this.username+".deviceKey";this.deviceKey=this.storage.getItem(o),i.DEVICE_KEY=this.deviceKey}this.client.makeUnauthenticatedRequest("initiateAuth",{ClientId:this.pool.getClientId(),AuthFlow:"REFRESH_TOKEN_AUTH",AuthParameters:i},function(i,s){if(i)return"NotAuthorizedException"===i.code&&n.clearCachedTokens(),t(i,null);if(s){var r=s.AuthenticationResult;return Object.prototype.hasOwnProperty.call(r,"RefreshToken")||(r.RefreshToken=e.getToken()),n.signInUserSession=n.getCognitoUserSession(r),n.cacheTokens(),t(null,n.signInUserSession)}})}},{key:"cacheTokens",value:function(){var e="CognitoIdentityServiceProvider."+this.pool.getClientId(),t=e+"."+this.username+".idToken",n=e+"."+this.username+".accessToken",i=e+"."+this.username+".refreshToken",s=e+".LastAuthUser";this.storage.setItem(t,this.signInUserSession.getIdToken().getJwtToken()),this.storage.setItem(n,this.signInUserSession.getAccessToken().getJwtToken()),this.storage.setItem(i,this.signInUserSession.getRefreshToken().getToken()),this.storage.setItem(s,this.username)}},{key:"cacheDeviceKeyAndPassword",value:function(){var e="CognitoIdentityServiceProvider."+this.pool.getClientId()+"."+this.username,t=e+".deviceKey",n=e+".randomPasswordKey",i=e+".deviceGroupKey";this.storage.setItem(t,this.deviceKey),this.storage.setItem(n,this.randomPassword),this.storage.setItem(i,this.deviceGroupKey)}},{key:"getCachedDeviceKeyAndPassword",value:function(){var e="CognitoIdentityServiceProvider."+this.pool.getClientId()+"."+this.username,t=e+".deviceKey",n=e+".randomPasswordKey",i=e+".deviceGroupKey";this.storage.getItem(t)&&(this.deviceKey=this.storage.getItem(t),this.randomPassword=this.storage.getItem(n),this.deviceGroupKey=this.storage.getItem(i))}},{key:"clearCachedDeviceKeyAndPassword",value:function(){var e="CognitoIdentityServiceProvider."+this.pool.getClientId()+"."+this.username,t=e+".deviceKey",n=e+".randomPasswordKey",i=e+".deviceGroupKey";this.storage.removeItem(t),this.storage.removeItem(n),this.storage.removeItem(i)}},{key:"clearCachedTokens",value:function(){var e="CognitoIdentityServiceProvider."+this.pool.getClientId(),t=e+"."+this.username+".idToken",n=e+"."+this.username+".accessToken",i=e+"."+this.username+".refreshToken",s=e+".LastAuthUser";this.storage.removeItem(t),this.storage.removeItem(n),this.storage.removeItem(i),this.storage.removeItem(s)}},{key:"getCognitoUserSession",value:function(e){var t=new v.default(e),n=new f.default(e),i=new m.default(e),s={IdToken:t,AccessToken:n,RefreshToken:i};return new y.default(s)}},{key:"forgotPassword",value:function(e){this.client.makeUnauthenticatedRequest("forgotPassword",{ClientId:this.pool.getClientId(),Username:this.username},function(t,n){return t?e.onFailure(t):"function"==typeof e.inputVerificationCode?e.inputVerificationCode(n):e.onSuccess()})}},{key:"confirmPassword",value:function(e,t,n){this.client.makeUnauthenticatedRequest("confirmForgotPassword",{ClientId:this.pool.getClientId(),
Username:this.username,ConfirmationCode:e,Password:t},function(e){return e?n.onFailure(e):n.onSuccess()})}},{key:"getAttributeVerificationCode",value:function(e,t){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("getUserAttributeVerificationCode",{AttributeName:e,AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(e,n){return e?t.onFailure(e):t.inputVerificationCode(n)}):t.onFailure(new Error("User is not authenticated"))}},{key:"verifyAttribute",value:function(e,t,n){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("verifyUserAttribute",{AttributeName:e,Code:t,AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(e){return e?n.onFailure(e):n.onSuccess("SUCCESS")}):n.onFailure(new Error("User is not authenticated"))}},{key:"getDevice",value:function(e){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("getDevice",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken(),DeviceKey:this.deviceKey},function(t,n){return t?e.onFailure(t):e.onSuccess(n)}):e.onFailure(new Error("User is not authenticated"))}},{key:"forgetSpecificDevice",value:function(e,t){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("forgetDevice",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken(),DeviceKey:e},function(e){return e?t.onFailure(e):t.onSuccess("SUCCESS")}):t.onFailure(new Error("User is not authenticated"))}},{key:"forgetDevice",value:function(e){var t=this;this.forgetSpecificDevice(this.deviceKey,{onFailure:e.onFailure,onSuccess:function(n){return t.deviceKey=null,t.deviceGroupKey=null,t.randomPassword=null,t.clearCachedDeviceKeyAndPassword(),e.onSuccess(n)}})}},{key:"setDeviceStatusRemembered",value:function(e){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("updateDeviceStatus",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken(),DeviceKey:this.deviceKey,DeviceRememberedStatus:"remembered"},function(t){return t?e.onFailure(t):e.onSuccess("SUCCESS")}):e.onFailure(new Error("User is not authenticated"))}},{key:"setDeviceStatusNotRemembered",value:function(e){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("updateDeviceStatus",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken(),DeviceKey:this.deviceKey,DeviceRememberedStatus:"not_remembered"},function(t){return t?e.onFailure(t):e.onSuccess("SUCCESS")}):e.onFailure(new Error("User is not authenticated"))}},{key:"listDevices",value:function(e,t,n){return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("listDevices",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken(),Limit:e,PaginationToken:t},function(e,t){return e?n.onFailure(e):n.onSuccess(t)}):n.onFailure(new Error("User is not authenticated"))}},{key:"globalSignOut",value:function(e){var t=this;return null!=this.signInUserSession&&this.signInUserSession.isValid()?void this.client.makeUnauthenticatedRequest("globalSignOut",{AccessToken:this.signInUserSession.getAccessToken().getJwtToken()},function(n){return n?e.onFailure(n):(t.clearCachedTokens(),e.onSuccess("SUCCESS"))}):e.onFailure(new Error("User is not authenticated"))}},{key:"signOut",value:function(){this.signInUserSession=null,this.clearCachedTokens()}}]),e}();t.default=U},function(e,t){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a 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