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(Visual Basic 6.0) Office365 OAuth2 Resource Owner Password Credentials Grant for SMTP, IMAP, POPDemonstrates how to get an OAuth2 access token for use with Office 365 in the SMTP, IMAP, and POP3 protocols using the resource owner password credentials grant. This is a way of getting an OAuth2 access token for the O365 account you own, WITHOUT needing to grant access interactively via a browser.
' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' Get an OAuth2 access token by sending a POST like this: ' POST {tenant}/oauth2/v2.0/token ' Host: login.microsoftonline.com ' Content-Type: application/x-www-form-urlencoded ' ' client_id=6731de76-14a6-49ae-97bc-6eba6914391e ' &client_secret=***************** ' &scope=user.read%20openid%20profile%20offline_access ' &username=MyUsername@myTenant.com ' &password=SuperS3cret ' &grant_type=password Dim http As New ChilkatHttp Dim req As New ChilkatHttpRequest ' Use the application ID for the client_id. ' (In Azure App Registrations, use the Application (client) ID) req.AddParam "client_id","CLIENT_ID" req.AddParam "client_secret","CLIENT_SECRET" req.AddParam "scope","openid profile offline_access https://outlook.office365.com/SMTP.Send https://outlook.office365.com/POP.AccessAsUser.All https://outlook.office365.com/IMAP.AccessAsUser.All" req.AddParam "username","my_email_address" req.AddParam "password","my_email_password" req.AddParam "grant_type","password" Dim resp As ChilkatHttpResponse ' Replace "{tenant}" with your tenant ID, such as "112d7ed6-71bf-4eba-a866-738364321bfc". Set resp = http.PostUrlEncoded("https://login.microsoftonline.com/{tenant}/oauth2/v2.0/token",req) If (http.LastMethodSuccess <> 1) Then Debug.Print http.LastErrorText Exit Sub End If Dim statusCode As Long statusCode = resp.StatusCode Debug.Print "response status code: " & statusCode Debug.Print "response body:" Debug.Print resp.BodyStr ' The successful JSON response looks like this: ' ' { ' "token_type": "Bearer", ' "scope": "https://outlook.office365.com/IMAP.AccessAsUser.All https://outlook.office365.com/POP.AccessAsUser.All https://outlook.office365.com/SMTP.Send", ' "expires_in": 3599, ' "ext_expires_in": 3599, ' "access_token": "eyJ0eX ... 62Nyw", ' "refresh_token": "0.AAAA1n4t ... tNxyA", ' "id_token": "eyJ0eXA ... qdIGyOYw" ' } ' Save the JSON to a file for future requests. If (statusCode = 200) Then Dim fac As New CkFileAccess success = fac.WriteEntireTextFile("qa_data/tokens/office365.json",resp.BodyStr,"utf-8",0) End If |
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