| import importlib |
| from base64 import decodebytes |
| keys = importlib.import_module("fedcm.support.keys") |
| error_checker = importlib.import_module("fedcm.support.request-params-check") |
| |
| def main(request, response): |
| request_error = error_checker.pictureCheck(request) |
| if request_error: |
| return request_error |
| |
| counter = request.server.stash.take(keys.ACCOUNT_PICTURE_COUNTER_KEY) |
| try: |
| counter = int(counter) + 1 |
| except (TypeError, ValueError): |
| counter = 1 |
| |
| request.server.stash.put(keys.ACCOUNT_PICTURE_COUNTER_KEY, str(counter).encode()) |
| |
| response.headers.set(b"Content-Type", b"image/png") |
| response.headers.set(b"Cache-Control", b"max-age=3600") |
| # Return minimum valid PNG |
| png_response = decodebytes(b'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAAAAAA6fptVAAAACklEQVR4nGNiAAAABgADNjd8qAAAAABJRU5ErkJggg==') |
| return png_response |
