Utilisation de ListIdentityPools avec un kit AWS SDK ou une interface de ligne de commande

Pour afficher les réserves d’identités

Cet exemple répertorie les réserves d’identités. Un maximum de 20 identités sont répertoriées.

Commande :

aws cognito-identity list-identity-pools --max-results 20

Sortie :

{
  "IdentityPools": [
      {
          "IdentityPoolId": "us-west-2:11111111-1111-1111-1111-111111111111",
          "IdentityPoolName": "MyIdentityPool"
      },
      {
          "IdentityPoolId": "us-west-2:11111111-1111-1111-1111-111111111111",
          "IdentityPoolName": "AnotherIdentityPool"
      },
      {
          "IdentityPoolId": "us-west-2:11111111-1111-1111-1111-111111111111",
          "IdentityPoolName": "IdentityPoolRegionA"
      }
  ]
}

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.cognitoidentity.CognitoIdentityClient;
import software.amazon.awssdk.services.cognitoidentity.model.ListIdentityPoolsRequest;
import software.amazon.awssdk.services.cognitoidentity.model.ListIdentityPoolsResponse;
import software.amazon.awssdk.services.cognitoidentityprovider.model.CognitoIdentityProviderException;

/**
 * Before running this Java V2 code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */
public class ListIdentityPools {
    public static void main(String[] args) {
        CognitoIdentityClient cognitoClient = CognitoIdentityClient.builder()
                .region(Region.US_EAST_1)
                .build();

        listIdPools(cognitoClient);
        cognitoClient.close();
    }

    public static void listIdPools(CognitoIdentityClient cognitoClient) {
        try {
            ListIdentityPoolsRequest poolsRequest = ListIdentityPoolsRequest.builder()
                    .maxResults(15)
                    .build();

            ListIdentityPoolsResponse response = cognitoClient.listIdentityPools(poolsRequest);
            response.identityPools().forEach(pool -> {
                System.out.println("Pool ID: " + pool.identityPoolId());
                System.out.println("Pool name: " + pool.identityPoolName());
            });

        } catch (CognitoIdentityProviderException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

Exemple 1 : extrait une liste de groupes d’identités existants.

Get-CGIIdentityPoolList

Sortie :

IdentityPoolId                                                     IdentityPoolName
--------------                                                     ----------------
us-east-1:0de2af35-2988-4d0b-b22d-EXAMPLEGUID1                     CommonTests1
us-east-1:118d242d-204e-4b88-b803-EXAMPLEGUID2                     Tests2
us-east-1:15d49393-ab16-431a-b26e-EXAMPLEGUID3                     CommonTests13

Exemple 1 : extrait une liste de groupes d’identités existants.

Get-CGIIdentityPoolList

Sortie :

IdentityPoolId                                                     IdentityPoolName
--------------                                                     ----------------
us-east-1:0de2af35-2988-4d0b-b22d-EXAMPLEGUID1                     CommonTests1
us-east-1:118d242d-204e-4b88-b803-EXAMPLEGUID2                     Tests2
us-east-1:15d49393-ab16-431a-b26e-EXAMPLEGUID3                     CommonTests13

import AWSCognitoIdentity


    /// Return the ID of the identity pool with the specified name.
    ///
    /// - Parameters:
    ///   - name: The name of the identity pool whose ID should be returned.
    ///
    /// - Returns: A string containing the ID of the specified identity pool
    ///   or `nil` on error or if not found.
    ///
    func getIdentityPoolID(name: String) async throws -> String? {
        let listPoolsInput = ListIdentityPoolsInput(maxResults: 25)
        // Use "Paginated" to get all the objects.
        // This lets the SDK handle the 'nextToken' field in "ListIdentityPoolsOutput".
        let pages = cognitoIdentityClient.listIdentityPoolsPaginated(input: listPoolsInput)

        do {
            for try await page in pages {
                guard let identityPools = page.identityPools else {
                    print("ERROR: listIdentityPoolsPaginated returned nil contents.")
                    continue
                }
                
                /// Read pages of identity pools from Cognito until one is found
                /// whose name matches the one specified in the `name` parameter.
                /// Return the matching pool's ID.

                for pool in identityPools {
                    if pool.identityPoolName == name {
                        return pool.identityPoolId!
                    }
                }
            }
        } catch {
            print("ERROR: getIdentityPoolID:", dump(error))
            throw error
        }
        
        return nil
    }

Obtenez l’ID d’un groupe d’identités existant ou créez-le s’il n’existe pas encore.

import AWSCognitoIdentity


    /// Return the ID of the identity pool with the specified name.
    ///
    /// - Parameters:
    ///   - name: The name of the identity pool whose ID should be returned
    ///
    /// - Returns: A string containing the ID of the specified identity pool.
    ///   Returns `nil` if there's an error or if the pool isn't found.
    ///
    public func getOrCreateIdentityPoolID(name: String) async throws -> String? {
        // See if the pool already exists. If it doesn't, create it.
        
        do {
            guard let poolId = try await getIdentityPoolID(name: name) else {
                return try await createIdentityPool(name: name)
            }
            
            return poolId
        } catch {
            print("ERROR: getOrCreateIdentityPoolID:", dump(error))
            throw error
        }
    }