Re: [go-nuts] How do you take a cipher.StreamWriter and pass it to a io.Reader

[Ilya Kostarev]

Try to construct an io.Pipe maybe
    pReader, pWriter := io.Pipe()
    writer:= &cipher.StreamWriter{S: stream, W: pWriter}
    UploadFile(outputFileName, metadata, pReader)
    writer.Write(src)
On 02/02/2017 10:27 PM, Justin C wrote:

I have a encryption function that gives a  cipher.StreamWriter

    writer := &cipher.StreamWriter{S: stream, W: outFile}

I am trying to upload it to using a library that has a function that is uploadFile that requires a IO.reader is there a way to pass the writer to the io.reader so the file is in crypted then uploaded?

UploadFile(outputFileName, metadata, io.Reader)

My code looks like this


writer := &cipher.StreamWriter{S: stream, W: outFile}
// Copy the input file to the output file, encrypting as we go.

metadata := make(map[string]string)
b2h.currentBucket.UploadFile(outputFileName, metadata, writer)

I get this error.

cannot use writer (type *cipher.StreamWriter) as type io.Reader in argument to b2h.currentBucket.UploadFile: *cipher.StreamWriter does not implement io.Reader (missing Read method)

I'm having a little trouble understanding how this is suppose to work together.

Does anyone have any ideas?
Thank you!
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