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August 29th, 2013, 01:20 PM
#1
Bearer token in the (OAuth) Authorization request header for REST API POST call
Hey all i am trying to figure out how to do this OAuth authorization token for a REST API POST call.
The documents state:
With a valid access token, your app can make calls to any Yammer API endpoint by sending the access token as a “Bearer” token in the “Authorization” request header.
GET /api/v1/messages/following.json HTTP/1.1
Host: www.yammer.com
Authorization: Bearer abcDefGhiFor
more details on the “Bearer” token refer to [enter link description here][1]
If the access token expires or the user de-authorizes your app, the API request will return an HTTP 401 with the following error in the body of the response.
{
"response": {
"message": "Token not found.",
"code": 16,
"stat": "fail"
}
}
Your app can request a new access token by re-running the appropriate flow if this error occurs.
Currently my VB.net code is this:
Code:
Dim request As HttpWebRequest
Dim response As HttpWebResponse = Nothing
Dim reader As StreamReader
Dim address As Uri
Dim data As StringBuilder
Dim byteData() As Byte
Dim postStream As Stream = Nothing
address = New Uri("https://www.yammer.com/api/v1/messages.json")
request = DirectCast(WebRequest.Create(address), HttpWebRequest)
request.Method = "POST"
request.Headers("Authorization") = "Bearer " & yammerAPI.userToken'request.ContentType = "application/x-www-form-urlencoded" request.ContentType = "application/json" request.Host = "www.yammer.com"
Dim body As String = "test"
Dim replied_to_id As Integer = 123456789
Dim group_id As Integer = 123456789
data = New StringBuilder()
'data.Append("&replied_to_id=" & HttpUtility.UrlEncode(replied_to_id))
data.Append("group_id=" & HttpUtility.UrlEncode(group_id))
data.Append("&body=" & HttpUtility.UrlEncode(body))
byteData = UTF8Encoding.UTF8.GetBytes(data.ToString())
request.ContentLength = byteData.Length
Try
postStream = request.GetRequestStream()
postStream.Write(byteData, 0, byteData.Length)
Finally
If Not postStream Is Nothing Then postStream.Close()
End Try
Try
response = DirectCast(request.GetResponse(), HttpWebResponse)
reader = New StreamReader(response.GetResponseStream())
Debug.Print(reader.ReadToEnd())
Finally
If Not response Is Nothing Then response.Close()
End Try
I keep getting an error of: The remote server returned an error: (401) Unauthorized.
Any help would be great to understand this more!
Last edited by StealthRT; August 30th, 2013 at 01:32 PM.
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