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index.js
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index.js
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global.fetch = require('node-fetch');
const AWS = require('aws-sdk');
exports.handler = function(event, context, callback) {
return sendRes(event, context, callback);
};
const registerUser = (accountId, sessionName, roleArn) => {
return new Promise((resolve, reject) => {
const registerUserParams = {
AwsAccountId: accountId,
Email: 'xyz@abc.com',
IdentityType: 'IAM',
Namespace: 'default',
UserRole: 'READER',
IamArn: roleArn,
SessionName: sessionName
};
const quicksight = new AWS.QuickSight({
region: 'us-east-1',
});
quicksight.registerUser(registerUserParams, function(err, data) {
if (err) {
// error occurred
console.log(err, err.stack);
if (err.code && err.code === 'ResourceExistsException') {
resolve('user already registered');
} else {
reject(err);
}
} else {
// successful response
setTimeout(function() {
resolve('successfully registered user');
}, 2000);
}
});
});
}
const getDashboardURL = (accountId, dashboardId, openIdToken, roleArn, sessionName, resetDisabled, undoRedoDisabled) => {
return new Promise((resolve, reject) => {
const stsClient = new AWS.STS();
let stsParams = {
RoleSessionName: sessionName,
WebIdentityToken: openIdToken,
RoleArn: roleArn
}
stsClient.assumeRoleWithWebIdentity(stsParams, function(err, data) {
if (err) {
console.log('Error assuming role');
console.log(err, err.stack);
reject(err);
} else {
const getDashboardParams = {
AwsAccountId: accountId,
DashboardId: dashboardId,
IdentityType: 'IAM',
ResetDisabled: resetDisabled,
SessionLifetimeInMinutes: 600,
UndoRedoDisabled: undoRedoDisabled
};
const quicksightGetDashboard = new AWS.QuickSight({
region: process.env.AWS_REGION,
credentials: {
accessKeyId: data.Credentials.AccessKeyId,
secretAccessKey: data.Credentials.SecretAccessKey,
sessionToken: data.Credentials.SessionToken,
expiration: data.Credentials.Expiration
}
});
quicksightGetDashboard.getDashboardEmbedUrl(getDashboardParams, function(err, data) {
if (err) {
console.log(err, err.stack);
reject(err);
} else {
const result = {
"statusCode": 200,
"headers": {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Headers": "Content-Type"
},
"body": JSON.stringify(data),
"isBase64Encoded": false
}
resolve(result);
}
});
}
});
});
}
const sendRes = (event, context, callback) => {
const accountId = context.invokedFunctionArn.match(/\d{3,}/)[0];
const dashboardId = decodeURIComponent(event.dashboardId || event.queryStringParameters.dashboardId);
const openIdToken = decodeURIComponent(event.openIdToken || event.queryStringParameters.openIdToken);
const authenticated = decodeURIComponent(event.authenticated || event.queryStringParameters.authenticated);
const sessionName = decodeURIComponent(event.sessionName || event.queryStringParameters.sessionName);
const resetDisabledParam = decodeURIComponent(event.resetDisabled || event.queryStringParameters.resetDisabled);
const undoRedoDisabledParam = decodeURIComponent(event.undoRedoDisabled || event.queryStringParameters.undoRedoDisabled);
console.log("Initial variables:");
console.log(`accountID = ${accountId}`);
console.log(`dashboardID = ${dashboardId}`);
console.log(`openIdToken = ${openIdToken}`);
console.log(`authenticated = ${authenticated}`);
console.log(`sessionName = ${sessionName}`);
console.log(`resetDisabledParam = ${resetDisabledParam}`);
console.log(`undoRedoDisabledParam = ${undoRedoDisabledParam}`);
if (!accountId) {
const error = new Error("accountId is unavailable");
callback(error);
}
if (!dashboardId) {
const error = new Error("dashboardId is unavailable");
callback(error);
}
if (!openIdToken) {
const error = new Error("openIdToken is unavailable");
callback(error);
}
if (!authenticated) {
const error = new Error("authenticated flag is unavailable");
callback(error);
}
if (!sessionName) {
const error = new Error("sessionName is unavailable");
callback(error);
}
if (!resetDisabledParam) {
const error = new Error("resetDisabledParam flag is unavailable");
callback(error);
}
if (!undoRedoDisabledParam) {
const error = new Error("undoRedoDisabledParam flag is unavailable");
callback(error);
}
let roleArn = null;
if (authenticated === "true") {
roleArn = "arn:aws:iam::" + accountId + ":role/QuicksightCognitoAuthorizedRole"
} else {
roleArn = "arn:aws:iam::" + accountId + ":role/QuicksightCognitoUnAuthorizedRole";
}
const resetDisabled = resetDisabledParam === "true" ? true : false;
const undoRedoDisabled = undoRedoDisabledParam === "true" ? true : false;
const registerUserPromise = registerUser(accountId, sessionName, roleArn);
registerUserPromise.then(function(){
const getDashboardEmbedUrlPromise = getDashboardURL(accountId, dashboardId, openIdToken, roleArn, sessionName, resetDisabled, undoRedoDisabled);
getDashboardEmbedUrlPromise.then(function(result){
const dashboardEmbedUrlResult = result;
if (dashboardEmbedUrlResult && dashboardEmbedUrlResult.statusCode === 200) {
callback(null, result);
} else {
console.log('getDashboardEmbedUrl failed');
}
}, function(err){
console.log(err, err.stack);
});
}, function(err){
console.log(err, err.stack);
});
}