SQL Server

Google Drive - Upload File

See more Google Drive Examples

This example demonstrates how to upload a file to Google Drive. The assumption is that the file can be loaded into memory and uploaded. It is also possible to stream large files to Google Drive, but the code required is a little more complex. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    SELECT @success = 1

    -- This example 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. 
    -- See Get Google Drive OAuth2 Access Token

    DECLARE @gAuth int
    EXEC @hr = sp_OACreate 'Chilkat.AuthGoogle', @gAuth OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @gAuth, 'AccessToken', 'GOOGLE_DRIVE_ACCESS_TOKEN'

    DECLARE @rest int
    EXEC @hr = sp_OACreate 'Chilkat.Rest', @rest OUT

    -- Connect using TLS.
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'www.googleapis.com', 443, 1, @bAutoReconnect

    -- Provide the authentication credentials (i.e. the access token)
    EXEC sp_OAMethod @rest, 'SetAuthGoogle', @success OUT, @gAuth

    -- -------------------------------------------------------------------------
    -- A multipart upload to Google Drive needs a multipart/related Content-Type
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Content-Type', 'multipart/related'

    -- Specify each part of the request.

    -- The 1st part is JSON with information about the file.
    EXEC sp_OASetProperty @rest, 'PartSelector', '1'
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Content-Type', 'application/json; charset=UTF-8'

    -- Construct the JSON that will contain the metadata about the file data to be uploaded...
    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'name', 'starfish.jpg'
    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'description', 'A picture of a starfish.'
    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'mimeType', 'image/jpeg'

    -- To place the file in a folder, we must add a parents[] array to the JSON
    -- and add the folder ID.  
    -- In a previous example (see Lookup Google Drive Folder ID
    -- we showed how to find the folder ID for a folder in Google Drive.

    -- Use the folder ID we already looked up..
    DECLARE @folderId nvarchar(4000)
    SELECT @folderId = '1Fksv-TfA1ILii1YjXsNa1-rDu8Cdrg72'

    DECLARE @parents int
    EXEC @hr = sp_OACreate 'Chilkat.JsonArray', @parents OUT

    EXEC sp_OAMethod @json, 'AppendArray2', @success OUT, 'parents', @parents

    EXEC sp_OAMethod @parents, 'AddStringAt', @success OUT, -1, @folderId

    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    EXEC sp_OAMethod @rest, 'SetMultipartBodyString', @success OUT, @sTmp0

    -- The 2nd part is the file content, which will contain the binary image data.
    EXEC sp_OASetProperty @rest, 'PartSelector', '2'
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Content-Type', 'image/jpeg'

    DECLARE @jpgBytes int
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @jpgBytes OUT

    EXEC sp_OAMethod @jpgBytes, 'LoadFile', @success OUT, 'qa_data/jpg/starfish.jpg'

    -- Add the data to our upload
    EXEC sp_OAMethod @rest, 'SetMultipartBodyBd', @success OUT, @jpgBytes

    DECLARE @jsonResponse nvarchar(4000)
    EXEC sp_OAMethod @rest, 'FullRequestMultipart', @jsonResponse OUT, 'POST', '/upload/drive/v3/files?uploadType=multipart'
    EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @gAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @parents
        EXEC @hr = sp_OADestroy @jpgBytes
        RETURN
      END

    -- A successful response will have a status code equal to 200.
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
    IF @iTmp0 <> 200
      BEGIN

        EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
        PRINT 'response status code = ' + @iTmp0

        EXEC sp_OAGetProperty @rest, 'ResponseStatusText', @sTmp0 OUT
        PRINT 'response status text = ' + @sTmp0

        EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
        PRINT 'response header: ' + @sTmp0

        PRINT 'response JSON: ' + @jsonResponse
        EXEC @hr = sp_OADestroy @gAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @parents
        EXEC @hr = sp_OADestroy @jpgBytes
        RETURN
      END

    EXEC sp_OAMethod @json, 'Load', @success OUT, @jsonResponse

    -- Show the full JSON response.
    EXEC sp_OASetProperty @json, 'EmitCompact', 0
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- A successful response looks like this:
    -- {
    --   "kind": "drive#file",
    --   "id": "0B53Q6OSTWYoldmJ0Z3ZqT2x5MFk",
    --   "name": "starfish.jpg",
    --   "mimeType": "image/jpeg"
    -- }

    -- Get the fileId:

    EXEC sp_OAMethod @json, 'StringOf', @sTmp0 OUT, 'id'
    PRINT 'fileId: ' + @sTmp0

    EXEC @hr = sp_OADestroy @gAuth
    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @parents
    EXEC @hr = sp_OADestroy @jpgBytes


END
GO