Lua

SNS Subscribe Email Address

See more Amazon SNS Examples

Subscribe an email address to an SNS topic.

See SNS Subscribe for more information.

Lua

local chilkat = require("chilkat")

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

local rest = chilkat.Rest.new()

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

-- Provide AWS credentials for the REST call.
local authAws = chilkat.AuthAws.new()
authAws.access_key = "AWS_ACCESS_KEY"
authAws.secret_key = "AWS_SECRET_KEY"
-- the region should match our URL above..
authAws.region = "us-west-2"
authAws.service_name = "sns"

rest:set_auth_aws(authAws)

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

local responseXml = rest:full_request_no_body("GET", "/")
if not rest.last_method_success then
    print(rest.last_error_text)
    return
end

-- A successful response will have a status code equal to 200.
if rest.response_status_code ~= 200 then
    print("response status code = " .. rest.response_status_code)
    print("response status text = " .. rest.response_status_text)
    print("response header: " .. rest.response_header)
    print("response body: " .. responseXml)
    return
end

-- Examine the successful XML response.
local xml = chilkat.Xml.new()
xml:load_xml(responseXml)
print(xml:get_xml())

-- To get the SubscriptionArn (which in this case is "pending confirmation")
print("SubscriptionArn: " .. xml:chilkat_path("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>