Method headers_to_sign

awscli/botocore/auth.py:242–256

Select the headers from the request that need to be included in the StringToSign.

(self, request)

        return sig

    def headers_to_sign(self, request):
        """
        Select the headers from the request that need to be included
        in the StringToSign.
        """
        header_map = HTTPHeaders()
        for name, value in request.headers.items():
            lname = name.lower()
            if lname not in SIGNED_HEADERS_BLACKLIST:
                header_map[lname] = value
        if 'host' not in header_map:
            # TODO: We should set the host ourselves, instead of relying on our
            # HTTP client to set it for us.
            header_map['host'] = _host_from_url(request.url)
        return header_map

    def canonical_query_string(self, request):
        # The query string can come from two parts.  One is the