B4X

SNS Subscribe Email Address

See more Amazon SNS Examples

Subscribe an email address to an SNS topic.

See SNS Subscribe for more information.

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")

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

'  Provide AWS credentials for the REST call.
Dim authAws As ChilkatAuthAws
authAws.Initialize
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
'  the region should match our URL above..
authAws.Region = "us-west-2"
authAws.ServiceName = "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")

Dim responseXml As String = rest.FullRequestNoBody("GET", "/")
If rest.LastMethodSuccess <> True Then
    Log(rest.LastErrorText)
    Return
End If


'  A successful response will have a status code equal to 200.
If rest.ResponseStatusCode <> 200 Then
    Log("response status code = " & rest.ResponseStatusCode)
    Log("response status text = " & rest.ResponseStatusText)
    Log("response header: " & rest.ResponseHeader)
    Log("response body: " & responseXml)
    Return
End If


'  Examine the successful XML response.
Dim xml As ChilkatXml
xml.Initialize
xml.LoadXml(responseXml)
Log(xml.GetXml)

'  To get the SubscriptionArn (which in this case is "pending confirmation")
Log("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>