Hi,
No, no help whatsoever from them about this. But I did get something working. In essence, you have to manually trigger the Auth ONCE then use a web page to capture the authentication code (once) then use that code in your desktop app where the desktop app uses that code OR the "refresh" token. In fact, you only use the original token once then, from there on, you simply use the last refresh token.
(note: the code below was modified by the CC post tool so HTML references may not be quite right)
In other words, the work flow is:
One time:
Write a one-time-use web page to capture the auth code response and store it somewhere, like in a DB.
Trigger an AUTH call manually via a web browser. That calls the web page you wrote above and stores the original auth token.
Then, and you only have a few seconds to do this before the token expires, run a desktop app that reads the auth token and logins in. This causes the system to send you back a Refresh token.
General use:
Once you have a refresh token, you're golden because you can login from the desktop with that. Doing so provides a new refresh token for next use.
Some code, not all of which is relevant or complete but you'll get the idea.
ASPX page to capture the original auth and store it in a DB:
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If Not Page.IsPostBack Then
Doit()
End If
End Sub
Private Sub DoIt()
Dim Code As String = ""
If Not Request.Params.Item("code") Is Nothing Then
Code = Request.Params.Item("code").ToString()
end if
if code <>"" then
OpenConnection()
try
dim SQL as string
sql = "DELETE FROM NameValuePairs WHERE Category ='ConstantContact' AND KeyName = 'AuthorizationCode'"
executeSQL(sql)
SQL = "INSERT INTO NameValuePairs (Category,KeyName,KeyValue) VALUES ('ConstantContact','AuthorizationCode','" + code + "')"
executeSQL(sql)
txtEMail.text = code 'debug
Catch ex As Exception
txtEMail.text = "An error occured while processing your request."
finally
Con.Close()
End Try
else
txtEMail.text = "no code"
end if
exit sub
End Sub
Then … on the desktop side.....
Private Function CCAuthorize() As Boolean
Dim dn As New Downloader
LogIt(gLogFile, "Gettting ConstantContact token...")
Dim SQL As String = "SELECT * FROM NameValuePairs WHERE Category='ConstantContact'"
Dim DS As DataSet = db.GetDataset(SQL)
Dim AuthorizationCode As String = ""
Dim r As Boolean = False
Dim FileName As String = IO.Path.Combine(Helper.GetSrcXDrive, "SrcX\temp\" + NewGUID() + ".txt")
If Database.IsDatasetValid(DS) Then
For Each dr As DataRow In DS.Tables(0).Rows
Select Case Helper.GetDBString(dr, "KeyName")
Case "AuthorizationCode"
AuthorizationCode = GetDBString(dr, "KeyValue")
Case "RefreshToken"
CCRefreshToken = GetDBString(dr, "KeyValue")
End Select
Next
End If
If CCRefreshToken <> "" Then
'Great. We'll use that.
Dim URL As String = CCAuthenticateURL + "refresh_token=" + CCRefreshToken + "&grant_type=refresh_token"
If CCGetAccessToken(URL, FileName) Then
LogIt(gLogFile, "Gettting ConstantContact token OK")
Return True
End If
End If
'If RefreshFailed or was not provided...
If AuthorizationCode <> "" Then
'In theory, this should only be needed ONCE!
Dim URL As String = CCAuthenticateURL + "code=" + AuthorizationCode + "&redirect_uri=" + CCRedirectURL + "&grant_type=authorization_code&scope=contact_data"
If CCGetAccessToken(URL, FileName) Then
LogIt(gLogFile, "Gettting ConstantContact token OK")
Return True
End If
End If
LogIt(gLogFile, "Gettting ConstantContact token FAILED")
Return False
End Function
Private Function CCGetAccessToken(URL As String, FileName As String) As Boolean
Dim DN As New Downloader
Dim r As Boolean = False
Dim SQL As String
DN.URL = URL
DN.FileName = FileName
Dim credentials As String = CCAPIKey + ":" + CCSecret
Dim plain As Byte() = System.Text.Encoding.UTF8.GetBytes(credentials)
Dim base64cred As String = Convert.ToBase64String(plain)
Dim base64auth As String = "Basic " + base64cred
DN.Headers.Add("Authorization", base64auth)
DN.ContentType = ""
r = DN.DownloadFilePOST
If r Then
Dim dict As Dictionary(Of String, Object) = ReadJSON(FileName)
CCAccessToken = dict("access_token").ToString
CCRefreshToken = dict("refresh_token").ToString
'cleanup
Try
IO.File.Delete(DN.FileName)
Catch ex As Exception
End Try
SQL = "DELETE FROM NameValuePairs WHERE Category='ConstantContact' AND KeyName='RefreshToken'"
db.ExecuteSQL(SQL)
SQL = "INSERT INTO NameValuePairs (Category,KeyName,KeyValue) VALUES ('ConstantContact','RefreshToken','" + CCRefreshToken + "')"
db.ExecuteSQL(SQL)
End If
Return r
End Function
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