Category: Uncategorized

Export Users from Cognito in AWS

Export Cognito Users in AWS

As of today, there is no way to directly export users from Cognito in AWS.

But we can use AWS CLI or AWS SDK to get the list of users.

  • First step is to install AWS CLI on your machine

Click here to download and install AWS CLI

  • Next, step is to configure AWS on your machine. To do this, open cmd (command prompt) and do the following –
$ aws configure
AWS Access Key ID [None]: YourAccessKeyId
AWS Secret Access Key [None]: YourSecretAccessKey
Default region name [None]: YourRegion
Default output format [None]: json

Replace the above with your values. For more info, click here.

  • To get the list of all users in Cognito, run the following command
aws cognito-idp list-users --region <region> --user-pool-id <userPoolId> 
--output json > users.json

The above will return the list of users in a json format. If you want to get the result in a table format, run the following command

aws cognito-idp list-users --region <region> --user-pool-id <userPoolId>  --output table > users.txt
  • Now if you want to convert the result json to csv. Use the following code snippet.
private static void ConvertJsonToCsv()
{
 using (var csv = new ChoCSVWriter("users.csv").WithFirstLineHeader())
 {
   using (var json = new ChoJSONReader("CognitoUsers.json")
             .WithField("Username")
             .WithField("Email", jsonPath: "$.Attributes[?(@.Name == 
              'email')].Value", isArray: true)
             .WithField("UserStatus")
         )
  {
     csv.Write(json);
  }
 }
}
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How to replace space with underscore in an xml file using Notepad++

It is very easy to achieve this using a regex expression. Suppose we have below in an xml file and we want to replace the space inside DisplayName node with underscore.

Sample xml – 

<User id="11068577">
	<UserId>11068577</UserId>
	<DisplayName>Dolcese Vita</DisplayName>
	<Address>Texas, US</Address>
</User>
  1. Open Notepad++
  2. Click Ctrl+H to open replace dialog box
  3. Add below in Find What:
(?i)(<DisplayName>.*?)[\s](?=.*</DisplayName>)

4. Add below in Replace with:

\1_\2

5. Result – 

<User id="11068577">
	<UserId>11068577</UserId>
	<DisplayName>Dolcese_Vita</DisplayName>
	<Address>Texas, US</Address>
</User>

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Convert PHP script to JavaScript

Convert PHP script to JavaScript

  • Add the “base-reality/php-to-javascript”: “>=0.0.3” to your project’s composer.json file:

    “require”:{ “base-reality/php-to-javascript”: “0.1.16” }

    Or the latest tagged version. The dev master should only be used for development, not production.\
  • Include the Composer SPL autoload file in your project: require_once(‘../vendor/autoload.php’);

    Call the converter: 
 $phpToJavascript = new PHPToJavascript\PHPToJavascript();
   $phpToJavascript->addFromFile($inputFilename); $jsOutput =
   $phpToJavascript->toJavascript();

$jsOutput will now contain an auto-generated Javascript version of the PHP source file.

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