(SQL Server) Initiate Resumable Upload Session

See more Google Cloud Storage Examples

Initiate a Google Cloud Storage resumable upload session..

For more information, see https://cloud.google.com/storage/docs/performing-resumable-uploads

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- 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)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @jsonToken int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT

    DECLARE @success int
    EXEC sp_OAMethod @jsonToken, 'LoadFile', @success OUT, 'qa_data/tokens/googleCloudStorage.json'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @jsonToken, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @jsonToken
        RETURN
      END

    DECLARE @jsonMetaData int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonMetaData OUT

    EXEC sp_OAMethod @jsonMetaData, 'UpdateString', @success OUT, 'contentType', 'image/jpeg'

    -- Adds the "Authorization: Bearer <access_token>" header..
    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'access_token'
    EXEC sp_OASetProperty @http, 'AuthToken', @sTmp0

    EXEC sp_OAMethod @http, 'SetUrlVar', @success OUT, 'bucket_name', 'chilkat-bucket-b'
    EXEC sp_OAMethod @http, 'SetUrlVar', @success OUT, 'object_name', 'penguins2.jpg'
    DECLARE @url nvarchar(4000)
    SELECT @url = 'https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}'
    DECLARE @resp int
    EXEC sp_OAMethod @jsonMetaData, 'Emit', @sTmp0 OUT
    EXEC sp_OAMethod @http, 'PText', @resp OUT, 'POST', @url, @sTmp0, 'utf-8', 'application/json', 0, 0
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @jsonMetaData
        RETURN
      END

    DECLARE @statusCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @statusCode OUT

    PRINT 'response status code = ' + @statusCode

    DECLARE @sessionUrl nvarchar(4000)
    SELECT @sessionUrl = ''

    IF @statusCode <> 200
      BEGIN
        EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
        PRINT @sTmp0
      END
    ELSE
      BEGIN
        -- The session URL will be used to upload the file in chunks, in subsequent HTTP POSTs...
        EXEC sp_OAMethod @resp, 'GetHeaderField', @sessionUrl OUT, 'Location'

        PRINT 'Session URL = ' + @sessionUrl
      END

    EXEC @hr = sp_OADestroy @resp


    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @jsonMetaData


END
GO