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Rust

Amazon Cognito - List Users

See more Amazon Cognito Examples

Lists the users in the Amazon Cognito user pool.

Chilkat Rust Downloads

Rust

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

let rest = chilkat::Rest::new();

let auth_aws = chilkat::AuthAws::new();
auth_aws.set_access_key("AWS_ACCESS_KEY");
auth_aws.set_secret_key("AWS_SECRET_KEY");
// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
auth_aws.set_region("us-west-2");
auth_aws.set_service_name("cognito-idp");
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
let _ = rest.set_auth_aws(&auth_aws);

// URL: https://cognito-idp.us-west-2.amazonaws.com/
let b_tls = true;
let port = 443;
let b_auto_reconnect = true;
// Use the same region as specified above.
if rest.connect("cognito-idp.us-west-2.amazonaws.com", port, b_tls, b_auto_reconnect).is_err() {
    println!("ConnectFailReason: {}", rest.connect_fail_reason());
    println!("{}", rest.last_error_text());
    return;
}

// Note: The above code does not need to be repeatedly called for each REST request.
// The rest object can be setup once, and then many requests can be sent.  Chilkat will automatically
// reconnect within a FullRequest* method as needed.  It is only the very first connection that is explicitly
// made via the Connect method.

// The following JSON is sent in the request body.

// {
//     "UserPoolId": "us-west-2_yt6WzO3SA"
// }
// 

let json = chilkat::JsonObject::new();
let _ = json.update_string("UserPoolId", "us-west-2_yt6WzO3SA");

let _ = rest.add_header("Content-Type", "application/x-amz-json-1.0");
let _ = rest.add_header("X-Amz-Target", "AWSCognitoIdentityProviderService.ListUsers");
let _ = rest.add_header("Accept-Encoding", "identity");

let sb_request_body = chilkat::StringBuilder::new();
let _ = json.emit_sb(&sb_request_body);
let sb_response_body = chilkat::StringBuilder::new();
if rest.full_request_sb("POST", "/", &sb_request_body, &sb_response_body).is_err() {
    println!("{}", rest.last_error_text());
    return;
}

let resp_status_code = rest.response_status_code();
println!("response status code = {}", resp_status_code);
if resp_status_code != 200 {
    println!("Response Status Code = {}", resp_status_code);
    println!("Response Header:");
    println!("{}", rest.response_header());
    println!("Response Body:");
    println!("{}", sb_response_body.get_as_string().unwrap_or_default());
    return;
}

let json_response = chilkat::JsonObject::new();
let _ = json_response.load_sb(&sb_response_body);

json_response.set_emit_compact(false);
println!("{}", json_response.emit().unwrap_or_default());

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// {
//   "Users": [
//     {
//       "Attributes": [
//         {
//           "Name": "sub",
//           "Value": "1874cf28-00d3-4ac1-a24a-68dcb0cecf09"
//         },
//         {
//           "Name": "email_verified",
//           "Value": "true"
//         },
//         {
//           "Name": "phone_number_verified",
//           "Value": "true"
//         },
//         {
//           "Name": "phone_number",
//           "Value": "+16302581871"
//         },
//         {
//           "Name": "email",
//           "Value": "admin@chilkatsoft.com"
//         }
//       ],
//       "Enabled": true,
//       "UserCreateDate": 1.636404386657E9,
//       "UserLastModifiedDate": 1.636404386657E9,
//       "UserStatus": "FORCE_CHANGE_PASSWORD",
//       "Username": "matt"
//     },
//     {
// 	. . .
//     }
//   ]
// }

let mut j: i32 = 0;
let mut count_j: i32 = 0;

let mut i = 0;
let count_i = json_response.size_of_array("Users");
while i < count_i {
    json_response.set_i(i);
    let _ = json_response.bool_of("Users[i].Enabled");
    let _ = json_response.string_of("Users[i].UserCreateDate").unwrap_or_default();
    let _ = json_response.string_of("Users[i].UserLastModifiedDate").unwrap_or_default();
    let _ = json_response.string_of("Users[i].UserStatus").unwrap_or_default();
    let _ = json_response.string_of("Users[i].Username").unwrap_or_default();
    j = 0;
    count_j = json_response.size_of_array("Users[i].Attributes");
    while j < count_j {
        json_response.set_j(j);
        let _ = json_response.string_of("Users[i].Attributes[j].Name").unwrap_or_default();
        let _ = json_response.string_of("Users[i].Attributes[j].Value").unwrap_or_default();
        j = j + 1;
    }

    i = i + 1;
}