(SQL Server) Upload Binary File from Memory

This example demonstrates how to upload a binary file from memory. It uploads the file to a subdirectory of our choosing.

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)
    DECLARE @success int
    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.

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

    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'name', 'hedgehogs.jpg'
    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'description', 'A cute photo of two hedgehogs.'
    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 Build Local Metadata Cache
    -- we built a local cache to make it easy to lookup file IDs given a file path.
    -- Let's find the file ID for the folder "testFolder/abc/123"
    DECLARE @gdCache int
    -- Use "Chilkat_9_5_0.Cache" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Cache', @gdCache OUT

    EXEC sp_OASetProperty @gdCache, 'Level', 0
    EXEC sp_OAMethod @gdCache, 'AddRoot', NULL, 'C:/ckCache/googleDrive'

    DECLARE @folderId nvarchar(4000)
    EXEC sp_OAMethod @gdCache, 'FetchText', @folderId OUT, 'testFolder/abc/123'
    EXEC sp_OAGetProperty @gdCache, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN

        PRINT 'Filepath not found in cache.'
        EXEC @hr = sp_OADestroy @gAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @gdCache
        RETURN
      END

    DECLARE @parents int
    EXEC sp_OAMethod @json, 'AppendArray', @parents OUT, 'parents'
    EXEC sp_OAMethod @parents, 'AddStringAt', @success OUT, -1, @folderId
    EXEC @hr = sp_OADestroy @parents

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

    -- Read a JPG file from the local filesystem.
    EXEC sp_OAMethod @fac, 'ReadEntireFile', @jpgBytes OUT, 'qa_data/jpg/hedgehogs.jpg'

    -- Add the bytes to our upload
    EXEC sp_OAMethod @rest, 'SetMultipartBodyBinary', @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 <> 1
      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 @gdCache
        EXEC @hr = sp_OADestroy @fac
        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 @gdCache
        EXEC @hr = sp_OADestroy @fac
        RETURN
      END

    -- Show the JSON response.
    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": "hedgehogs.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 @gdCache
    EXEC @hr = sp_OADestroy @fac


END
GO