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1 |
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2 local st = require "util.stanza"; |
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3 local httpserver = require "net.httpserver"; |
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4 local uuid_new = require "util.uuid".generate; |
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5 |
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6 local os_time = os.time; |
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7 |
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8 local base_url; |
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9 |
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10 local pastes = {}; |
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11 |
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12 local xmlns_xhtmlim = "http://jabber.org/protocol/xhtml-im"; |
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13 local xmlns_xhtml = "http://www.w3.org/1999/xhtml"; |
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14 |
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15 local function pastebin_message(text) |
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16 local uuid = uuid_new(); |
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17 pastes[uuid] = { text = text, time = os_time() }; |
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18 return base_url..uuid; |
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19 end |
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20 |
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21 function handle_request(method, body, request) |
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22 local pasteid = request.url.path:match("[^/]+$"); |
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23 if not pasteid or not pastes[pasteid] then |
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24 return "Invalid paste id, perhaps it expired?"; |
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25 end |
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26 |
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27 --module:log("debug", "Received request, replying: %s", pastes[pasteid].text); |
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28 |
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29 return pastes[pasteid].text; |
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30 end |
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31 |
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32 function check_message(data) |
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33 local origin, stanza = data.origin, data.stanza; |
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34 |
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35 local body, bodyindex, htmlindex; |
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36 for k,v in ipairs(stanza) do |
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37 if v.name == "body" then |
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38 body, bodyindex = v, k; |
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39 elseif v.name == "html" and v.attr.xmlns == xmlns_xhtml then |
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40 htmlindex = k; |
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41 end |
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42 end |
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43 |
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44 if not body then return; end |
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45 body = body:get_text(); |
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46 |
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47 module:log("debug", "Body(%s) length: %d", type(body), #(body or "")); |
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48 |
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49 if body and #body > 500 then |
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50 local url = pastebin_message(body); |
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51 module:log("debug", "Pasted message as %s", url); |
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52 --module:log("debug", " stanza[bodyindex] = %q", tostring( stanza[bodyindex])); |
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53 stanza[bodyindex][1] = url; |
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54 local html = st.stanza("html", { xmlns = xmlns_xhtmlim }):tag("body", { xmlns = xmlns_xhtml }); |
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55 html:tag("p"):text(body:sub(1,150)):up(); |
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56 html:tag("a", { href = url }):text("[...]"):up(); |
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57 stanza[htmlindex or #stanza+1] = html; |
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58 end |
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59 end |
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60 |
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61 module:hook("message/bare", check_message); |
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62 |
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63 local ports = config.get(module.host, "core", "pastebin_ports") or { 5280 }; |
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64 for _, options in ipairs(ports) do |
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65 local port, base, ssl, interface = 5280, "pastebin", false, nil; |
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66 if type(options) == "number" then |
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67 port = options; |
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68 elseif type(options) == "table" then |
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69 port, base, ssl, interface = options.port or 5280, options.path or "pastebin", options.ssl or false, options.interface; |
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70 elseif type(options) == "string" then |
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71 base = options; |
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72 end |
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73 |
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74 base_url = base_url or ("http://"..module:get_host()..(port ~= 80 and (":"..port) or "").."/"..base.."/"); |
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75 |
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76 httpserver.new{ port = port, base = base, handler = handle_request, ssl = ssl } |
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77 end |