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(Visual Basic 6.0) Google Drive Insert Permission
This example demonstrates how to insert a permission for a file (see https://developers.google.com/drive/v2/reference/permissions/insert)
The impetus for creating this example was a need to be able to view files uploaded using a service account key in the Google Drive web interface. When using a service account access token, the files your application will see are those for the service account, and not the files for your main account. For example, the Google Account I use for testing has a username of "firstname.lastname@example.org". (Don't send email to email@example.com, it's just use for testing and not interactively read.) I use "firstname.lastname@example.org" when I log into Google interactively to view files in Google Drive at https://drive.google.com/drive/my-drive.
The files I upload to Google Drive using a service account key won't be visible in the browser UI. To make them visible, you need to insert a permission for the file so that the main user account, which in this case is "email@example.com", is a reader. After the permission is inserted, the file will be visible under "Shared with me" -- as if another Google Drive account shared the file with you.
Dim success As Long success = 1 ' It requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' This example uses a previously obtained access token having permission for the ' Google Drive scope. Dim gAuth As New ChilkatAuthGoogle gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN" Dim rest As New ChilkatRest ' Connect using TLS. Dim bAutoReconnect As Long bAutoReconnect = 1 success = rest.Connect("www.googleapis.com",443,1,bAutoReconnect) ' Provide the authentication credentials (i.e. the access token) success = rest.SetAuthGoogle(gAuth) success = rest.AddHeader("Content-Type","application/json; charset=UTF-8") Dim json As New ChilkatJsonObject success = json.AppendString("role","reader") success = json.AppendString("type","user") success = json.AppendString("value","firstname.lastname@example.org") ' A note from a Chilkat customer: ' ' My coding attempt was frustrated because I tried a role of "owner". ' Even when providing the extra parameter of ...?transferOwnership=true ' that approach fails (400, Bad Request). ' ' This example is inserting a permission for the file whose fileId is "0By-hrxCCDzSQUGxJY0hzNUFpNmc". Dim jsonResponse As String jsonResponse = rest.FullRequestString("POST","/drive/v2/files/0By-hrxCCDzSQUGxJY0hzNUFpNmc/permissions",json.Emit()) If (rest.LastMethodSuccess <> 1) Then Debug.Print rest.LastErrorText Exit Sub End If ' A successful response will have a status code equal to 200. If (rest.ResponseStatusCode <> 200) Then Debug.Print "response status code = " & rest.ResponseStatusCode Debug.Print "response status text = " & rest.ResponseStatusText Debug.Print "response header: " & rest.ResponseHeader Debug.Print "response JSON: " & jsonResponse Exit Sub End If ' Show the JSON response. success = json.Load(jsonResponse) ' Show the full JSON response. json.EmitCompact = 0 Debug.Print json.Emit() Debug.Print "Success."
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