Software / code / prosody
Diff
plugins/mod_bosh.lua @ 2484:cf924f587410
mod_bosh: Support for cross-domain access control using CORS
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Thu, 21 Jan 2010 15:07:52 +0000 |
| parent | 2473:3f4cfa375bd6 |
| child | 2485:ace62f19076d |
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--- a/plugins/mod_bosh.lua Thu Jan 21 14:53:01 2010 +0000 +++ b/plugins/mod_bosh.lua Thu Jan 21 15:07:52 2010 +0000 @@ -34,6 +34,23 @@ local default_headers = { ["Content-Type"] = "text/xml; charset=utf-8" }; local session_close_reply = { headers = default_headers, body = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate" }), attr = {} }; +local http_options, http_denied_options = { headers = {} }, { headers = {} }; +local cross_domain = module:get_option("cross_domain_bosh"); +if cross_domain ~= false then + http_options.headers["Access-Control-Allow-Methods"] = "GET, POST, OPTIONS"; + http_options.headers["Access-Control-Allow-Headers"] = "Content-Type"; + http_options.headers["Access-Control-Max-Age"] = "86400"; + + if cross_domain == true then + http_options.headers["Access-Control-Allow-Origin"] = "*"; + elseif type(cross_domain) == "table" then + cross_domain = table.concat(cross_domain, ", "); + end + if type(cross_domain) == "string" then + http_options.headers["Access-Control-Allow-Origin"] = cross_domain; + end +end + local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat; local os_time = os.time; @@ -59,9 +76,25 @@ end end +local function send_options_headers(request) + if cross_domain == nil then + local host = request.headers.host and request.headers.host:match("^[^:]+"); + if hosts[host] then + http_options.headers["Access-Control-Allow-Origin"] = "http://"..host; + else + return http_denied_options; -- We don't want to reveal the hosts we serve + end + end + return http_options; +end + function handle_request(method, body, request) if (not body) or request.method ~= "POST" then - return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>"; + if request.method == "OPTIONS" then + return send_options_headers(request); + else + return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>"; + end end if not method then log("debug", "Request %s suffered error %s", tostring(request.id), body);
