# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1253886713 -3600
# Node ID 9c1c6c5344dccb050d9d23042f2c66930c23c176
# Parent  63080b8973ee7908f25aa6e9ff7cc5082727b194
mod_pastebin: Initial commit

diff -r 63080b8973ee -r 9c1c6c5344dc mod_pastebin/mod_pastebin.lua
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_pastebin/mod_pastebin.lua	Fri Sep 25 14:51:53 2009 +0100
@@ -0,0 +1,77 @@
+
+local st = require "util.stanza";
+local httpserver = require "net.httpserver";
+local uuid_new = require "util.uuid".generate;
+
+local os_time = os.time;
+
+local base_url;
+
+local pastes = {};
+
+local xmlns_xhtmlim = "http://jabber.org/protocol/xhtml-im";
+local xmlns_xhtml = "http://www.w3.org/1999/xhtml";
+
+local function pastebin_message(text)
+	local uuid = uuid_new();
+	pastes[uuid] = { text = text, time = os_time() };
+	return base_url..uuid;
+end
+
+function handle_request(method, body, request)
+	local pasteid = request.url.path:match("[^/]+$");
+	if not pasteid or not pastes[pasteid] then
+		return "Invalid paste id, perhaps it expired?";
+	end
+	
+	--module:log("debug", "Received request, replying: %s", pastes[pasteid].text);
+	
+	return pastes[pasteid].text;
+end
+
+function check_message(data)
+	local origin, stanza = data.origin, data.stanza;
+	
+	local body, bodyindex, htmlindex;
+	for k,v in ipairs(stanza) do
+		if v.name == "body" then
+			body, bodyindex = v, k;
+		elseif v.name == "html" and v.attr.xmlns == xmlns_xhtml then
+			htmlindex = k;
+		end
+	end
+	
+	if not body then return; end
+	body = body:get_text();
+	
+	module:log("debug", "Body(%s) length: %d", type(body), #(body or ""));
+	
+	if body and #body > 500 then
+		local url = pastebin_message(body);
+		module:log("debug", "Pasted message as %s", url);		
+		--module:log("debug", " stanza[bodyindex] = %q", tostring( stanza[bodyindex]));
+		stanza[bodyindex][1] = url;
+		local html = st.stanza("html", { xmlns = xmlns_xhtmlim }):tag("body", { xmlns = xmlns_xhtml });
+		html:tag("p"):text(body:sub(1,150)):up();
+		html:tag("a", { href = url }):text("[...]"):up();
+		stanza[htmlindex or #stanza+1] = html;
+	end
+end
+
+module:hook("message/bare", check_message);
+
+local ports = config.get(module.host, "core", "pastebin_ports") or { 5280 };
+for _, options in ipairs(ports) do
+	local port, base, ssl, interface = 5280, "pastebin", false, nil;
+	if type(options) == "number" then
+		port = options;
+	elseif type(options) == "table" then
+		port, base, ssl, interface = options.port or 5280, options.path or "pastebin", options.ssl or false, options.interface;
+	elseif type(options) == "string" then
+		base = options;
+	end
+	
+	base_url = base_url or ("http://"..module:get_host()..(port ~= 80 and (":"..port) or "").."/"..base.."/");
+	
+	httpserver.new{ port = port, base = base, handler = handle_request, ssl = ssl }
+end