如何使用Classic ASP和Strict OAuth 2.0获取GoToWebinar访问令牌

<%
' Step 1: Redirect user to GoToWebinar authorization page
Dim clientId, redirectUri
clientId = "YOUR_CLIENT_ID"
redirectUri = "YOUR_REDIRECT_URI"
response.redirect "https://api.getgo.com/oauth/v2/authorize?client_id=" & clientId & "&response_type=code&redirect_uri=" & redirectUri

' Step 2: Handle the redirect from GoToWebinar authorization page
Dim code, tokenUrl, accessToken
code = request.querystring("code")
tokenUrl = "https://api.getgo.com/oauth/v2/token"
accessToken = ""

If code <> "" Then
    ' Step 3: Exchange authorization code for access token
    Dim postData, xmlhttp
    postData = "code=" & code & "&client_id=" & clientId & "&client_secret=YOUR_CLIENT_SECRET&redirect_uri=" & redirectUri & "&grant_type=authorization_code"
    
    Set xmlhttp = Server.CreateObject("MSXML2.ServerXMLHTTP")
    xmlhttp.open "POST", tokenUrl, False
    xmlhttp.setRequestHeader "Content-Type", "application/x-www-form-urlencoded"
    xmlhttp.send postData
    
    If xmlhttp.status = 200 Then
        ' Step 4: Parse the response to get access token
        Dim responseJson, jsonResponse
        responseJson = xmlhttp.responseText
        Set jsonResponse = json.parse(responseJson)
        
        If Not IsNull(jsonResponse("access_token")) Then
            accessToken = jsonResponse("access_token")
        End If
    End If
End If

' Step 5: Use the access token to call GoToWebinar API
If accessToken <> "" Then
    ' Make API requests using the access token
    ' ...
End If
%>