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PureBasic

Amazon Cognito - List Users

See more Amazon Cognito Examples

Lists the users in the Amazon Cognito user pool.

Chilkat PureBasic Downloads

PureBasic
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkAuthAws.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkRest.pb"

Procedure ChilkatExample()

    success.i = 0

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

    rest.i = CkRest::ckCreate()
    If rest.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    authAws.i = CkAuthAws::ckCreate()
    If authAws.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkAuthAws::setCkAccessKey(authAws, "AWS_ACCESS_KEY")
    CkAuthAws::setCkSecretKey(authAws, "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.)
    CkAuthAws::setCkRegion(authAws, "us-west-2")
    CkAuthAws::setCkServiceName(authAws, "cognito-idp")
    ; SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    CkRest::ckSetAuthAws(rest,authAws)

    ; URL: https://cognito-idp.us-west-2.amazonaws.com/
    bTls.i = 1
    port.i = 443
    bAutoReconnect.i = 1
    ; Use the same region as specified above.
    success = CkRest::ckConnect(rest,"cognito-idp.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)
    If success <> 1
        Debug "ConnectFailReason: " + Str(CkRest::ckConnectFailReason(rest))
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        ProcedureReturn
    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"
    ; }
    ; 

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(json,"UserPoolId","us-west-2_yt6WzO3SA")

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

    sbRequestBody.i = CkStringBuilder::ckCreate()
    If sbRequestBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckEmitSb(json,sbRequestBody)
    sbResponseBody.i = CkStringBuilder::ckCreate()
    If sbResponseBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkRest::ckFullRequestSb(rest,"POST","/",sbRequestBody,sbResponseBody)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        CkJsonObject::ckDispose(json)
        CkStringBuilder::ckDispose(sbRequestBody)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    respStatusCode.i = CkRest::ckResponseStatusCode(rest)
    Debug "response status code = " + Str(respStatusCode)
    If respStatusCode <> 200
        Debug "Response Status Code = " + Str(respStatusCode)
        Debug "Response Header:"
        Debug CkRest::ckResponseHeader(rest)
        Debug "Response Body:"
        Debug CkStringBuilder::ckGetAsString(sbResponseBody)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        CkJsonObject::ckDispose(json)
        CkStringBuilder::ckDispose(sbRequestBody)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    jsonResponse.i = CkJsonObject::ckCreate()
    If jsonResponse.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoadSb(jsonResponse,sbResponseBody)

    CkJsonObject::setCkEmitCompact(jsonResponse, 0)
    Debug CkJsonObject::ckEmit(jsonResponse)

    ; 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"
    ;     },
    ;     {
    ; 	. . .
    ;     }
    ;   ]
    ; }

    Enabled.i
    UserCreateDate.s
    UserLastModifiedDate.s
    UserStatus.s
    Username.s
    j.i
    count_j.i
    Name.s
    Value.s

    i.i = 0
    count_i.i = CkJsonObject::ckSizeOfArray(jsonResponse,"Users")
    While i < count_i
        CkJsonObject::setCkI(jsonResponse, i)
        Enabled = CkJsonObject::ckBoolOf(jsonResponse,"Users[i].Enabled")
        UserCreateDate = CkJsonObject::ckStringOf(jsonResponse,"Users[i].UserCreateDate")
        UserLastModifiedDate = CkJsonObject::ckStringOf(jsonResponse,"Users[i].UserLastModifiedDate")
        UserStatus = CkJsonObject::ckStringOf(jsonResponse,"Users[i].UserStatus")
        Username = CkJsonObject::ckStringOf(jsonResponse,"Users[i].Username")
        j = 0
        count_j = CkJsonObject::ckSizeOfArray(jsonResponse,"Users[i].Attributes")
        While j < count_j
            CkJsonObject::setCkJ(jsonResponse, j)
            Name = CkJsonObject::ckStringOf(jsonResponse,"Users[i].Attributes[j].Name")
            Value = CkJsonObject::ckStringOf(jsonResponse,"Users[i].Attributes[j].Value")
            j = j + 1
        Wend
        i = i + 1
    Wend


    CkRest::ckDispose(rest)
    CkAuthAws::ckDispose(authAws)
    CkJsonObject::ckDispose(json)
    CkStringBuilder::ckDispose(sbRequestBody)
    CkStringBuilder::ckDispose(sbResponseBody)
    CkJsonObject::ckDispose(jsonResponse)


    ProcedureReturn
EndProcedure