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(VB.NET) WhatsApp - LoginLog in to get your authentication token (which is to be used in the "Authorization: Bearer your-auth-token" header in other REST API calls). For more information, see https://developers.facebook.com/docs/whatsapp/api/users/login
' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. Dim http As New Chilkat.Http Dim success As Boolean ' Implements the following CURL command: ' curl -X POST https://your-webapp-hostname:your-webapp-port/v1/users/login \ ' -H 'Content-Type: application/json' \ ' --user 'username:password' \ ' -d '{}' http.Login = "username" http.Password = "password" ' The following JSON is sent in the request body. ' {} Dim json As New Chilkat.JsonObject http.SetRequestHeader("Content-Type","application/json") Dim resp As Chilkat.HttpResponse = http.PostJson3("https://your-webapp-hostname:your-webapp-port/v1/users/login","application/json",json) If (http.LastMethodSuccess = False) Then Debug.WriteLine(http.LastErrorText) Exit Sub End If Dim sbResponseBody As New Chilkat.StringBuilder resp.GetBodySb(sbResponseBody) Dim jResp As New Chilkat.JsonObject jResp.LoadSb(sbResponseBody) jResp.EmitCompact = False Debug.WriteLine("Response Body:") Debug.WriteLine(jResp.Emit()) Dim respStatusCode As Integer = resp.StatusCode Debug.WriteLine("Response Status Code = " & respStatusCode) If (respStatusCode >= 400) Then Debug.WriteLine("Response Header:") Debug.WriteLine(resp.Header) Debug.WriteLine("Failed.") Exit Sub End If ' Sample JSON response: ' (Sample code for parsing the JSON response is shown below) ' { ' "users": [ ' { ' "token": "eyJhbGciOHlXVCJ9.eyJ1c2VyIjoNTIzMDE2Nn0.mEoF0COaO00Z1cANo", ' "expires_after": "2018-03-01 15:29:26+00:00" ' } ' ] ' } ' Sample code for parsing the JSON response... Dim token As String Dim expires_after As String Dim i As Integer = 0 Dim count_i As Integer = jResp.SizeOfArray("users") While i < count_i jResp.I = i token = jResp.StringOf("users[i].token") expires_after = jResp.StringOf("users[i].expires_after") i = i + 1 End While |
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