Only set up a tunnel if the destination protocol is HTTPS.

Only set up a tunnel if the destination protocol is HTTPS.

2003-12-16  Joe Shaw  <joe@ximian.com>

	* libsoup/soup-connection.c (socket_connect_result,
	soup_connection_connect_sync): Only set up a tunnel if the
	destination protocol is HTTPS.

	* libsoup/soup-message.c (class_init): Add a default handler for
	wrote_body.
	(wrote_body): Run the SOUP_HANDLER_POST_REQUEST handlers here.
	(soup_message_cancel): Don't set the status to
	SOUP_STATUS_CANCELLED and call soup_message_finished() if the
	status is already SOUP_MESSAGE_STATUS_FINISHED.

	* libsoup/soup-session.c (set_property): Don't cancel the session
	if the proxy URI set as a property isn't different from the old
	one.
	(get_host_for_message): Refactor some code so that we can easily
	get the right SoupSessionHost for proxies as well as from the
	message.
	(authenticate_auth): Take a gboolean proxy parameter.  Check it to
	see which URI (message URI or proxy URI) to use for
	authentication.  Add a long comment about lack of clarity in RFC
	2617 with respect to proxies and protection spaces.