(Go) SNS Subscribe Email Address

Subscribe an email address to an SNS topic.

See SNS Subscribe for more information.

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

    rest := chilkat.NewRest()

    // Connect to the Amazon AWS REST server.
    // such as https://sns.us-west-2.amazonaws.com/
    bTls := true
    port := 443
    bAutoReconnect := true
    success := rest.Connect("sns.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

    // Provide AWS credentials for the REST call.
    authAws := chilkat.NewAuthAws()
    authAws.SetAccessKey("AWS_ACCESS_KEY")
    authAws.SetSecretKey("AWS_SECRET_KEY")
    // the region should match our URL above..
    authAws.SetRegion("us-west-2")
    authAws.SetServiceName("sns")

    rest.SetAuthAws(authAws)

    rest.AddQueryParam("Action","Subscribe")
    rest.AddQueryParam("Endpoint","somebody@some-email-address.com")
    rest.AddQueryParam("Protocol","email")
    rest.AddQueryParam("TopicArn","arn:aws:sns:us-west-2:957491831129:chilkat")

    responseXml := rest.FullRequestNoBody("GET","/")
    if rest.LastMethodSuccess() != true {
        fmt.Println(rest.LastErrorText())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        return
    }

    // A successful response will have a status code equal to 200.
    if rest.ResponseStatusCode() != 200 {
        fmt.Println("response status code = ", rest.ResponseStatusCode())
        fmt.Println("response status text = ", rest.ResponseStatusText())
        fmt.Println("response header: ", rest.ResponseHeader())
        fmt.Println("response body: ", *responseXml)
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        return
    }

    // Examine the successful XML response.
    xml := chilkat.NewXml()
    xml.LoadXml(*responseXml)
    fmt.Println(*xml.GetXml())

    // To get the SubscriptionArn (which in this case is "pending confirmation")
    fmt.Println("SubscriptionArn: ", *xml.ChilkatPath("SubscribeResult|SubscriptionArn|*"))

    // A sample successful response:
    // <?xml version="1.0" encoding="utf-8" ?>
    // <SubscribeResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
    //     <SubscribeResult>
    //         <SubscriptionArn>pending confirmation</SubscriptionArn>
    //     </SubscribeResult>
    //     <ResponseMetadata>
    //         <RequestId>c5490a81-973b-5fa6-93dc-5bed689c212f</RequestId>
    //     </ResponseMetadata>
    // </SubscribeResponse>

    rest.DisposeRest()
    authAws.DisposeAuthAws()
    xml.DisposeXml()