(Lianja) Amazon Cognito - List Users

See more Amazon Cognito Examples

Lists the users in the Amazon Cognito user pool.

For more information, see https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_ListUsers.html

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

loRest = createobject("CkRest")

loAuthAws = createobject("CkAuthAws")
loAuthAws.AccessKey = "AWS_ACCESS_KEY"
loAuthAws.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.)
loAuthAws.Region = "us-west-2"
loAuthAws.ServiceName = "cognito-idp"
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
loRest.SetAuthAws(loAuthAws)

// URL: https://cognito-idp.us-west-2.amazonaws.com/
llBTls = .T.
lnPort = 443
llBAutoReconnect = .T.
// Use the same region as specified above.
llSuccess = loRest.Connect("cognito-idp.us-west-2.amazonaws.com",lnPort,llBTls,llBAutoReconnect)
if (llSuccess <> .T.) then
    ? "ConnectFailReason: " + str(loRest.ConnectFailReason)
    ? loRest.LastErrorText
    release loRest
    release loAuthAws
    return
endif

// 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"
// }
// 

loJson = createobject("CkJsonObject")
loJson.UpdateString("UserPoolId","us-west-2_yt6WzO3SA")

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

loSbRequestBody = createobject("CkStringBuilder")
loJson.EmitSb(loSbRequestBody)
loSbResponseBody = createobject("CkStringBuilder")
llSuccess = loRest.FullRequestSb("POST","/",loSbRequestBody,loSbResponseBody)
if (llSuccess <> .T.) then
    ? loRest.LastErrorText
    release loRest
    release loAuthAws
    release loJson
    release loSbRequestBody
    release loSbResponseBody
    return
endif

lnRespStatusCode = loRest.ResponseStatusCode
? "response status code = " + str(lnRespStatusCode)
if (lnRespStatusCode <> 200) then
    ? "Response Status Code = " + str(lnRespStatusCode)
    ? "Response Header:"
    ? loRest.ResponseHeader
    ? "Response Body:"
    ? loSbResponseBody.GetAsString()
    release loRest
    release loAuthAws
    release loJson
    release loSbRequestBody
    release loSbResponseBody
    return
endif

loJsonResponse = createobject("CkJsonObject")
loJsonResponse.LoadSb(loSbResponseBody)

loJsonResponse.EmitCompact = .F.
? loJsonResponse.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"
//     },
//     {
// 	. . .
//     }
//   ]
// }

i = 0
lnCount_i = loJsonResponse.SizeOfArray("Users")
do while i < lnCount_i
    loJsonResponse.I = i
    llEnabled = loJsonResponse.BoolOf("Users[i].Enabled")
    lcUserCreateDate = loJsonResponse.StringOf("Users[i].UserCreateDate")
    lcUserLastModifiedDate = loJsonResponse.StringOf("Users[i].UserLastModifiedDate")
    lcUserStatus = loJsonResponse.StringOf("Users[i].UserStatus")
    lcUsername = loJsonResponse.StringOf("Users[i].Username")
    j = 0
    lnCount_j = loJsonResponse.SizeOfArray("Users[i].Attributes")
    do while j < lnCount_j
        loJsonResponse.J = j
        lcName = loJsonResponse.StringOf("Users[i].Attributes[j].Name")
        lcValue = loJsonResponse.StringOf("Users[i].Attributes[j].Value")
        j = j + 1
    enddo
    i = i + 1
enddo


release loRest
release loAuthAws
release loJson
release loSbRequestBody
release loSbResponseBody
release loJsonResponse