Classic ASP
ETrade Renew Access Token

Renews an ETrade OAuth access token.
Chilkat Classic ASP Downloads

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

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

set http = Server.CreateObject("Chilkat.Http")

http.OAuth1 = 1
http.OAuthVerifier = ""
http.OAuthConsumerKey = "ETRADE_CONSUMER_KEY"
http.OAuthConsumerSecret = "ETRADE_CONSUMER_SECRET"

' Load the access token previously obtained via the OAuth1 Authorization
set jsonToken = Server.CreateObject("Chilkat.JsonObject")
success = jsonToken.LoadFile("qa_data/tokens/etrade.json")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Failed to load OAuth1 token") & "</pre>"
    Response.End
End If

http.OAuthToken = jsonToken.StringOf("oauth_token")
http.OAuthTokenSecret = jsonToken.StringOf("oauth_token_secret")

set resp = Server.CreateObject("Chilkat.HttpResponse")
success = http.HttpNoBody("GET","https://api.etrade.com/oauth/renew_access_token",resp)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>"
    Response.End
End If

' Make sure a successful response was received.
If (resp.StatusCode <> 200) Then
    Response.Write "<pre>" & Server.HTMLEncode( resp.StatusLine) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( resp.Header) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( resp.BodyStr) & "</pre>"
    Response.End
End If

' If successful, the resp.BodyStr contains something like this:
' oauth_token=%3TiQRgQCRGPo7Xdk6G8QDSEzX0Jsy6sKNcULcDavAGgU%3D&oauth_token_secret=%7RrC9scEpzcwSEMy4vE7nodSzPLqfRINnTNY4voczyFM%3D
Response.Write "<pre>" & Server.HTMLEncode( resp.BodyStr) & "</pre>"

set sbRespBody = Server.CreateObject("Chilkat.StringBuilder")
success = resp.GetBodySb(sbRespBody)
If (sbRespBody.ContentsEqual("Access Token has been renewed",0)) Then
    ' The documentation at https://apisb.etrade.com/docs/api/authorization/renew_access_token.html
    ' indicates that the response should be as described above.  However, the response received when
    ' trying to refresh a non-expired token was "Access Token has been renewed"
    Response.Write "<pre>" & Server.HTMLEncode( "Keeping the same access token, but it's renewed...") & "</pre>"
    Response.End
End If

set hashTab = Server.CreateObject("Chilkat.Hashtable")
success = hashTab.AddQueryParams(resp.BodyStr)

accessToken = hashTab.LookupStr("oauth_token")
accessTokenSecret = hashTab.LookupStr("oauth_token_secret")

' The access token + secret is what should be saved and used for
' subsequent REST API calls.
Response.Write "<pre>" & Server.HTMLEncode( "Access Token = " & accessToken) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Access Token Secret = " & accessTokenSecret) & "</pre>"

' Save this access token for future calls.
' Just in case we need user_id and screen_name, save those also..
set json = Server.CreateObject("Chilkat.JsonObject")
success = json.AppendString("oauth_token",accessToken)
success = json.AppendString("oauth_token_secret",accessTokenSecret)

set fac = Server.CreateObject("Chilkat.FileAccess")
success = fac.WriteEntireTextFile("qa_data/tokens/etrade.json",json.Emit(),"utf-8",0)

Response.Write "<pre>" & Server.HTMLEncode( "Success.") & "</pre>"

%>
</body>
</html>