B4X

Amazon Cognito - List Users

See more Amazon Cognito Examples

Lists the users in the Amazon Cognito user pool. B4X

Dim success As Boolean = False

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

Dim rest As ChilkatRest
rest.Initialize("rest")

Dim authAws As ChilkatAuthAws
authAws.Initialize
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "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.)
authAws.Region = "us-west-2"
authAws.ServiceName = "cognito-idp"
'  SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)

'  URL: https://cognito-idp.us-west-2.amazonaws.com/
Dim bTls As Boolean = True
Dim port As Int = 443
Dim bAutoReconnect As Boolean = True
'  Use the same region as specified above.
success = rest.Connect("cognito-idp.us-west-2.amazonaws.com", port, bTls, bAutoReconnect)
If success <> True Then
    Log("ConnectFailReason: " & rest.ConnectFailReason)
    Log(rest.LastErrorText)
    Return
End If


'  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"
'  }
'  

Dim json As ChilkatJsonObject
json.Initialize
json.UpdateString("UserPoolId", "us-west-2_yt6WzO3SA")

rest.AddHeader("Content-Type", "application/x-amz-json-1.0")
rest.AddHeader("X-Amz-Target", "AWSCognitoIdentityProviderService.ListUsers")
rest.AddHeader("Accept-Encoding", "identity")

Dim sbRequestBody As ChilkatStringBuilder
sbRequestBody.Initialize
json.EmitSb(sbRequestBody)
Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
success = rest.FullRequestSb("POST", "/", sbRequestBody, sbResponseBody)
If success <> True Then
    Log(rest.LastErrorText)
    Return
End If

Dim respStatusCode As Int = rest.ResponseStatusCode
Log("response status code = " & respStatusCode)
If respStatusCode <> 200 Then
    Log("Response Status Code = " & respStatusCode)
    Log("Response Header:")
    Log(rest.ResponseHeader)
    Log("Response Body:")
    Log(sbResponseBody.GetAsString)
    Return
End If


Dim jsonResponse As ChilkatJsonObject
jsonResponse.Initialize
jsonResponse.LoadSb(sbResponseBody)

jsonResponse.EmitCompact = False
Log(jsonResponse.Emit)

'  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"
'      },
'      {
'  	. . .
'      }
'    ]
'  }

Dim Enabled As Boolean
Dim UserCreateDate As String
Dim UserLastModifiedDate As String
Dim UserStatus As String
Dim Username As String
Dim j As Int
Dim count_j As Int
Dim Name As String
Dim Value As String

Dim i As Int = 0
Dim count_i As Int = jsonResponse.SizeOfArray("Users")
Do While i < count_i
    jsonResponse.I = i
    Enabled = jsonResponse.BoolOf("Users[i].Enabled")
    UserCreateDate = jsonResponse.StringOf("Users[i].UserCreateDate")
    UserLastModifiedDate = jsonResponse.StringOf("Users[i].UserLastModifiedDate")
    UserStatus = jsonResponse.StringOf("Users[i].UserStatus")
    Username = jsonResponse.StringOf("Users[i].Username")
    j = 0
    count_j = jsonResponse.SizeOfArray("Users[i].Attributes")
    Do While j < count_j
        jsonResponse.J = j
        Name = jsonResponse.StringOf("Users[i].Attributes[j].Name")
        Value = jsonResponse.StringOf("Users[i].Attributes[j].Value")
        j = j + 1
    Loop
    i = i + 1
Loop