Mercurial > prosody-modules
view mod_webpresence/mod_webpresence.lua @ 5401:c8d04ac200fc
mod_http_oauth2: Reject loopback URIs as client_uri
This really should be a proper website with info, https://localhost is
not good enough. Ideally we'd validate that it's got proper DNS and is
actually reachable, but triggering HTTP or even DNS lookups seems like
it would carry abuse potential that would best to avoid.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Tue, 02 May 2023 16:20:55 +0200 |
parents | 1903add39b7c |
children |
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module:depends("http"); local jid_split = require "util.jid".prepped_split; local b64 = require "util.encodings".base64.encode; local sha1 = require "util.hashes".sha1; local stanza = require "util.stanza".stanza; local json = require "util.json".encode_ordered; local function require_resource(name) local icon_path = module:get_option_string("presence_icons", "icons"); local f, err = module:load_resource(icon_path.."/"..name); if f then return f:read("*a"); end module:log("warn", "Failed to open image file %s", icon_path..name); return ""; end local statuses = { online = {}, away = {}, xa = {}, dnd = {}, chat = {}, offline = {} }; local function handle_request(event, path) local status, message; local jid, type = path:match("([^/]+)/?(.*)$"); if jid then local user, host = jid_split(jid); if host and not user then user, host = host, event.request.headers.host; if host then host = host:gsub(":%d+$", ""); end end if user and host then local user_sessions = hosts[host] and hosts[host].sessions[user]; if user_sessions and user_sessions.top_resources then status = user_sessions.top_resources[1]; if status and status.presence then message = status.presence:child_with_name("status"); status = status.presence:child_with_name("show"); if not status then status = "online"; else status = status:get_text(); end if message then message = message:get_text(); end end end end end status = status or "offline"; statuses[status].image = function() return { status_code = 200, headers = { content_type = "image/png" }, body = require_resource("status_"..status..".png") }; end; statuses[status].html = function() local jid_hash = sha1(jid, true); return { status_code = 200, headers = { content_type = "text/html" }, body = [[<!DOCTYPE html>]].. tostring( stanza("html") :tag("head") :tag("title"):text("XMPP Status Page for "..jid):up():up() :tag("body") :tag("div", { id = jid_hash.."_status", class = "xmpp_status" }) :tag("img", { id = jid_hash.."_img", class = "xmpp_status_image xmpp_status_"..status, src = "data:image/png;base64,"..b64(require_resource("status_"..status..".png")) }):up() :tag("span", { id = jid_hash.."_status_name", class = "xmpp_status_name" }) :text("\194\160"..status):up() :tag("span", { id = jid_hash.."_status_message", class = "xmpp_status_message" }) :text(message and "\194\160"..message.."" or "") ) }; end; statuses[status].text = function() return { status_code = 200, headers = { content_type = "text/plain" }, body = status }; end; statuses[status].message = function() return { status_code = 200, headers = { content_type = "text/plain" }, body = (message and message or "") }; end; statuses[status].json = function() return { status_code = 200, headers = { content_type = "application/json" }, body = json({ jid = jid, show = status, status = (message and message or "null") }) }; end; statuses[status].xml = function() return { status_code = 200, headers = { content_type = "application/xml" }, body = [[<?xml version="1.0" encoding="utf-8"?>]].. tostring( stanza("result") :tag("jid"):text(jid):up() :tag("show"):text(status):up() :tag("status"):text(message) ) }; end if ((type == "") or (not statuses[status][type])) then type = "image" end; return statuses[status][type](); end module:provides("http", { default_path = "/status"; route = { ["GET /*"] = handle_request; }; });