view mod_export_skeletons/skeleton_filter.lua @ 5265:f845c218e52c

mod_http_oauth2: Allow revoking a token without OAuth client credentials If you have a valid token, and you're not supposed to have it, revoking it seems the most responsible thing to do with it, so it should be allowed, while if you are supposed to have it, you should also be allowed to revoke it.
author Kim Alvefur <zash@zash.se>
date Tue, 21 Mar 2023 22:02:38 +0100
parents b4cc6ee9fc8c
children
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#!/usr/bin/env lua

package.path = package.path:gsub("([^;]*)(?[^;]*)", "%1prosody/%2;%1%2");
package.cpath = package.cpath:gsub("([^;]*)(?[^;]*)", "%1prosody/%2;%1%2");

local t_insert = table.insert;
local t_sort = table.sort;

local jid = require "util.jid";
local st = require "util.stanza";

local xs = require "util.xmppstream";

local function skeleton(s)
	local o = st.stanza(s.name, { xmlns = s.attr.xmlns });

	local children = {};
	for _, child in ipairs(s.tags) do t_insert(children, skeleton(child)) end
	t_sort(children, function(a, b)
		if a.attr.xmlns == b.attr.xmlns then return a.name < b.name; end
		return (a.attr.xmlns or "") < (b.attr.xmlns or "");
	end);
	for _, child in ipairs(children) do o:add_direct_child(child); end
	return o;
end

local function classify_jid(s)
	if not s then return "" end
	local u, h, r = jid.split(s);
	if r then
		return "full"
	elseif u then
		return "bare"
	elseif h then
		return "host"
	else
		return "invalid"
	end
end

local stream_session = { notopen = true };
local stream_callbacks = { stream_ns = "jabber:client"; default_ns = "jabber:client" };
function stream_callbacks:handlestanza(item)
	local clean = skeleton(item);

	-- Normalize top level attributes
	clean.attr.type = item.attr.type;
	if clean.attr.type == nil and clean.name == "message" then clean.attr.type = "normal"; end
	clean.attr.id = string.rep("x", math.floor(math.log(1 + #(item.attr.id or ""), 2)));
	clean.attr.from = classify_jid(item.attr.from);
	clean.attr.to = classify_jid(item.attr.to);
	print(clean);
end
local stream = xs.new(stream_session, stream_callbacks);
assert(stream:feed(st.stanza("stream", { xmlns = "jabber:client" }):top_tag()));
stream_session.notopen = nil;

local data = io.read(4096);
while data do
	stream:feed(data);
	data = io.read(4096);
end

assert(stream:feed("</stream>"));