authorizeRequest method
Implementation
@protected
@override
void authorizeRequest(request) {
final String isoDate = _formatToRFC822Date(DateTime.now());
request.headers.addAll(Map.fromEntries([
acceptHeader,
MapEntry(
'date',
isoDate,
),
MapEntry(
'authorization',
'$_name $publicKey:${_buildSignature(request, isoDate)}',
),
]));
}