Mercurial > prosody-modules
view mod_http_altconnect/mod_http_altconnect.lua @ 4813:0a257d1402c3
mod_muc_rtbl: Optimize case with zero hashes
On the assumption that during quiet times between torrents of spam,
the hash set would be empty. There would be no point in doing the
operations and hashes to check for a match in that case.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 06 Dec 2021 18:19:19 +0100 |
parents | 0a0bf87ccda6 |
children |
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-- mod_http_altconnect -- XEP-0156: Discovering Alternative XMPP Connection Methods module:depends"http"; local mm = require "core.modulemanager"; local json = require"util.json"; local st = require"util.stanza"; local array = require"util.array"; local function get_supported() local uris = array(); if mm.is_loaded(module.host, "bosh") or mm.is_loaded("*", "bosh") then uris:push({ rel = "urn:xmpp:alt-connections:xbosh", href = module:http_url("bosh", "/http-bind") }); end if mm.is_loaded(module.host, "websocket") or mm.is_loaded("*", "websocket") then uris:push({ rel = "urn:xmpp:alt-connections:websocket", href = module:http_url("websocket", "xmpp-websocket"):gsub("^http", "ws") }); end return uris; end local function GET_xml(event) local request, response = event.request, event.response; local xrd = st.stanza("XRD", { xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0' }); local uris = get_supported(); for i, method in ipairs(uris) do xrd:tag("Link", method):up(); end response.headers.content_type = "application/xrd+xml" response.headers.access_control_allow_origin = "*"; return '<?xml version="1.0" encoding="UTF-8"?>' .. tostring(xrd); end local function GET_json(event) local request, response = event.request, event.response; local jrd = { links = get_supported() }; response.headers.content_type = "application/json" response.headers.access_control_allow_origin = "*"; return json.encode(jrd); end; local function GET_either(event) local accept_type = event.request.headers.accept or ""; if ( accept_type:find("xml") or #accept_type ) < ( accept_type:find("json") or #accept_type+1 ) then return GET_xml(event); else return GET_json(event); end end; module:provides("http", { default_path = "/.well-known"; route = { ["GET /host-meta"] = GET_either; -- ["GET /host-meta.xml"] = GET_xml; -- Hmmm ["GET /host-meta.json"] = GET_json; }; });