Send File via WinRM

sendfile.py

import hashlib
import base64
import pathlib

import tqdm.auto
import winrm

def send_file(s, source, destination):
    """Send file to remote location in base64 encoded chunks via WinRM."""
    chunk_size = 2048
    write_chunk = "[Byte[]]$to_write = [System.Convert]::FromBase64String('{}')\n$to_write | Add-Content -Encoding Byte {}"

    with tqdm.auto.tqdm(total=source.stat().st_size) as t, with source.open('rb') as fh:
        while chunk := fh.read(chunk_size):
            encoded = base64.standard_b64encode(chunk).decode()
            command = write_chunk.format(encoded, destination)
            result = s.run_ps(command)
            if result.status_code:
                break
            t.update(chunk_size)

    if 'Completed' not in result.std_err.decode():
        raise RuntimeError(f'File send failed: {source.name}')

    get_sha256 = 'Get-FileHash {} -Algorithm SHA256 | ConvertTo-Json'
    command = get_sha256.format(destination)
    result = s.run_ps(command)
    if result.status_code:
        raise RuntimeError(f'Remote hash calculation failed: {source.name}')

    data = json.loads(result.std_out)
    sha256_remote = data.get('Hash').lower()

    file_data = source.read_bytes()
    sha256_local = hashlib.sha256(file_data).hexdigest().lower()
    if sha256_remote != sha256_local:
        raise RuntimeError(f'Hash mismatch: {source.name}')

s = winrm.Session('192.0.2.1', auth=('Administrator', 'password'))
source = pathlib.Path('test.dat')
destination = f'C:\{source.name}'

send_file(s, source, destination)