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function RegisterUser(){
    var attributeList = [];
    attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({Name:"name",Value:"Prasad Jayashanka"}));
    attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({Name:"preferred_username",Value:"jay"}));
    attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({Name:"gender",Value:"male"}));
    attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({Name:"birthdate",Value:"1991-06-21"}));
    attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({Name:"address",Value:"CMB"}));
    attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({Name:"email",Value:"sampleEmail@gmail.com"}));
    attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({Name:"phone_number",Value:"+5412614324321"}));
    attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({Name:"custom:scope",Value:"admin"}));

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function Login() {
    var authenticationDetails = new AmazonCognitoIdentity.AuthenticationDetails({
        Username : 'sampleEmail@gmail.com',
        Password : 'SamplePassword123',
    });

    var userData = {
        Username : 'sampleEmail@gmail.com',
        Pool : userPool
    };

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function update(username, password){
        var attributeList = [];
        attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({
            Name: "custom:scope",
            Value: "some new value"
        }));
        attributeList.push(new AmazonCognitoIdentity.CognitoUserAttribute({
            Name: "name",
            Value: "some new value"
        }));

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function ValidateToken(token) {
        request({
            url: `https://cognito-idp.${pool_region}.amazonaws.com/${poolData.UserPoolId}/.well-known/jwks.json`,
            json: true
        }, function (error, response, body) {
            if (!error && response.statusCode === 200) {
                pems = {};
                var keys = body['keys'];
                for(var i = 0; i < keys.length; i++) {
                    //Convert each key to PEM

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function renew() {
    const RefreshToken = new AmazonCognitoIdentity.CognitoRefreshToken({RefreshToken: "your_refresh_token_from_a_previous_login"});

    const userPool = new AmazonCognitoIdentity.CognitoUserPool(poolData);

    const userData = {
        Username: "sample@gmail.com",
        Pool: userPool
    };

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function DeleteUser() {
        var authenticationDetails = new AmazonCognitoIdentity.AuthenticationDetails({
            Username: username,
            Password: password,
        });

        var userData = {
            Username: username,
            Pool: userPool
        };

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function deleteAttributes(username, password){
        var attributeList = [];
        attributeList.push("custom:scope");
        attributeList.push("name");
  
        var authenticationDetails = new AmazonCognitoIdentity.AuthenticationDetails({
            Username: username,
            Password: password,
        });

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function ChangePassword(username, password, newpassword) {
        var authenticationDetails = new AmazonCognitoIdentity.AuthenticationDetails({
            Username: username,
            Password: password,
        });

        var userData = {
            Username: username,
            Pool: userPool
        };