Module aws_lambda_powertools.event_handler.util

Functions

def extract_origin_header(resolved_headers: Mapping[str, Any])

Expand source code

def extract_origin_header(resolved_headers: Mapping[str, Any]):
    """
    Extracts the 'origin' or 'Origin' header from the provided resolver headers.

    The 'origin' or 'Origin' header can be either a single header or a multi-header.

    Args:
        resolved_headers (Mapping): A dictionary containing the headers.

    Returns:
        str | None: The value(s) of the origin header or None.
    """
    resolved_header = resolved_headers.get("origin")
    if isinstance(resolved_header, list):
        return resolved_header[0]
    return resolved_header

Extracts the 'origin' or 'Origin' header from the provided resolver headers.

The 'origin' or 'Origin' header can be either a single header or a multi-header.

Args

resolved_headers : Mapping

A dictionary containing the headers.

Returns

str | None

The value(s) of the origin header or None.