Mercurial > prosody-modules
annotate mod_pastebin/mod_pastebin.lua @ 130:51cd803e86be
mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Fri, 19 Feb 2010 09:08:22 +0500 |
| parents | 1fc4e8dc66a6 |
| children | b51741b7e86d |
| rev | line source |
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| 5 | 1 |
| 2 local st = require "util.stanza"; | |
| 3 local httpserver = require "net.httpserver"; | |
| 4 local uuid_new = require "util.uuid".generate; | |
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5 local os_time = os.time; |
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6 local t_insert, t_remove = table.insert, table.remove; |
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7 local add_task = require "util.timer".add_task; |
| 5 | 8 |
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9 local length_threshold = config.get(module.host, "core", "pastebin_threshold") or 500; |
| 5 | 10 |
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11 local base_url = config.get(module.host, "core", "pastebin_url"); |
| 5 | 12 |
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13 -- Seconds a paste should live for in seconds (config is in hours), default 24 hours |
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14 local expire_after = math.floor((config.get(module.host, "core", "pastebin_expire_after") or 24) * 3600); |
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15 |
| 5 | 16 local pastes = {}; |
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17 local default_headers = { ["Content-Type"] = "text/plain; charset=utf-8" }; |
| 5 | 18 |
| 19 local xmlns_xhtmlim = "http://jabber.org/protocol/xhtml-im"; | |
| 20 local xmlns_xhtml = "http://www.w3.org/1999/xhtml"; | |
| 21 | |
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22 function pastebin_text(text) |
| 5 | 23 local uuid = uuid_new(); |
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24 pastes[uuid] = { body = text, time = os_time(), headers = default_headers }; |
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25 pastes[#pastes+1] = uuid; |
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26 if not pastes[2] then -- No other pastes, give the timer a kick |
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27 add_task(expire_after, expire_pastes); |
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28 end |
| 5 | 29 return base_url..uuid; |
| 30 end | |
| 31 | |
| 32 function handle_request(method, body, request) | |
| 33 local pasteid = request.url.path:match("[^/]+$"); | |
| 34 if not pasteid or not pastes[pasteid] then | |
| 35 return "Invalid paste id, perhaps it expired?"; | |
| 36 end | |
| 37 | |
| 38 --module:log("debug", "Received request, replying: %s", pastes[pasteid].text); | |
| 39 | |
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40 return pastes[pasteid]; |
| 5 | 41 end |
| 42 | |
| 43 function check_message(data) | |
| 44 local origin, stanza = data.origin, data.stanza; | |
| 45 | |
| 46 local body, bodyindex, htmlindex; | |
| 47 for k,v in ipairs(stanza) do | |
| 48 if v.name == "body" then | |
| 49 body, bodyindex = v, k; | |
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50 elseif v.name == "html" and v.attr.xmlns == xmlns_xhtmlim then |
| 5 | 51 htmlindex = k; |
| 52 end | |
| 53 end | |
| 54 | |
| 55 if not body then return; end | |
| 56 body = body:get_text(); | |
| 57 | |
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58 --module:log("debug", "Body(%s) length: %d", type(body), #(body or "")); |
| 5 | 59 |
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60 if body and #body > length_threshold then |
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61 local url = pastebin_text(body); |
| 5 | 62 module:log("debug", "Pasted message as %s", url); |
| 63 --module:log("debug", " stanza[bodyindex] = %q", tostring( stanza[bodyindex])); | |
| 64 stanza[bodyindex][1] = url; | |
| 65 local html = st.stanza("html", { xmlns = xmlns_xhtmlim }):tag("body", { xmlns = xmlns_xhtml }); | |
| 66 html:tag("p"):text(body:sub(1,150)):up(); | |
| 67 html:tag("a", { href = url }):text("[...]"):up(); | |
| 68 stanza[htmlindex or #stanza+1] = html; | |
| 69 end | |
| 70 end | |
| 71 | |
| 72 module:hook("message/bare", check_message); | |
| 73 | |
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74 function expire_pastes(time) |
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75 time = time or os_time(); -- COMPAT with 0.5 |
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76 if pastes[1] then |
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77 pastes[pastes[1]] = nil; |
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78 t_remove(pastes, 1); |
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79 if pastes[1] then |
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80 return (expire_after - (time - pastes[pastes[1]].time)) + 1; |
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81 end |
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82 end |
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83 end |
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84 |
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85 |
| 5 | 86 local ports = config.get(module.host, "core", "pastebin_ports") or { 5280 }; |
| 87 for _, options in ipairs(ports) do | |
| 88 local port, base, ssl, interface = 5280, "pastebin", false, nil; | |
| 89 if type(options) == "number" then | |
| 90 port = options; | |
| 91 elseif type(options) == "table" then | |
| 92 port, base, ssl, interface = options.port or 5280, options.path or "pastebin", options.ssl or false, options.interface; | |
| 93 elseif type(options) == "string" then | |
| 94 base = options; | |
| 95 end | |
| 96 | |
| 97 base_url = base_url or ("http://"..module:get_host()..(port ~= 80 and (":"..port) or "").."/"..base.."/"); | |
| 98 | |
| 99 httpserver.new{ port = port, base = base, handler = handle_request, ssl = ssl } | |
| 100 end |