Classic ASP

Call an AWS Lambda Function

Demonstrates how to call an AWS Lambda function.

Chilkat Classic ASP Downloads

Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

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

set rest = Server.CreateObject("Chilkat.Rest")

'  Connect to the Amazon AWS REST server.
'  such as https://email.us-west-2.amazonaws.com/
bTls = 1
port = 443
bAutoReconnect = 1

'  -------------------------------------------------------------------------------------------
'  Note: The source of the lambda function (hosted on AWS) is shown at the bottom of this page.
'  --------------------------------------------------------------------------------------------

'  If your lambda function URL is: https://itwxyj3vd6gjtaerbfqnfccs2e0fplzh.lambda-url.us-west-2.on.aws/
'  then use just the domain part here:
success = rest.Connect("itwxyj3vd6gjtaerbfqnfccs2e0fplzh.lambda-url.us-west-2.on.aws",port,bTls,bAutoReconnect)

'  Provide AWS credentials for the REST call.
set authAws = Server.CreateObject("Chilkat.AuthAws")
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
'  the region should match our domain above..
authAws.Region = "us-west-2"
authAws.ServiceName = "lambda"

success = rest.SetAuthAws(authAws)

set json = Server.CreateObject("Chilkat.JsonObject")
success = json.UpdateString("name","Benny")

success = rest.AddHeader("Content-Type","application/json")

set sbRequestBody = Server.CreateObject("Chilkat.StringBuilder")
success = json.EmitSb(sbRequestBody)

set sbResponseBody = Server.CreateObject("Chilkat.StringBuilder")
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

statusCode = rest.ResponseStatusCode
If (statusCode >= 400) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Response Status Code: " & statusCode) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Response Body: " & sbResponseBody.GetAsString()) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "Response Body:") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( sbResponseBody.GetAsString()) & "</pre>"

%>
</body>
</html>

JavaScript

export const handler = async (event) => {

    let body = "Hello World";

    if (event.body) {
        const input = JSON.parse(event.body);
        if (input.name) {
            body = "Hello " + input.name;
        }
    }

    return {
        statusCode: 200,
        headers: {
            "Content-Type": "application/json"
        },
        body: JSON.stringify({
            message: body
        })
    };
};