Mercurial > prosody-modules
annotate mod_component_http/mod_component_http.lua @ 4330:e655581173be
mod_cloud_notify_encrypted: Fixes to the push notification syntax and payload
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 13 Jan 2021 14:18:24 +0000 |
parents | 032589c801d7 |
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1 local http = require "net.http"; |
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2 local json = require "util.json"; |
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3 local st = require "util.stanza"; |
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4 local xml = require "util.xml"; |
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5 local unpack = rawget(_G, "unpack") or table.unpack; |
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6 |
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7 local url = module:get_option_string("component_post_url"); |
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8 assert(url, "Missing required config option 'component_post_url'"); |
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9 |
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10 local stanza_kinds = module:get_option_set("post_stanza_types", { "message" }); |
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11 |
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12 local http_error_map = { |
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13 [0] = { "cancel", "remote-server-timeout", "Connection failure" }; |
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14 -- 4xx |
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15 [400] = { "modify", "bad-request" }; |
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16 [401] = { "auth", "not-authorized" }; |
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17 [402] = { "auth", "forbidden", "Payment required" }; |
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18 [403] = { "auth", "forbidden" }; |
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19 [404] = { "cancel", "item-not-found" }; |
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20 [410] = { "cancel", "gone" }; |
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21 -- 5xx |
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22 [500] = { "cancel", "internal-server-error" }; |
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23 [501] = { "cancel", "feature-not-implemented" }; |
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24 [502] = { "cancel", "remote-server-timeout", "Bad gateway" }; |
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25 [503] = { "wait", "remote-server-timeout", "Service temporarily unavailable" }; |
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26 [504] = { "wait", "remote-server-timeout", "Gateway timeout" }; |
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27 } |
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28 |
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29 local function error_reply(stanza, code) |
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30 local error = http_error_map[code] or { "cancel", "service-unavailable" }; |
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31 return st.error_reply(stanza, unpack(error, 1, 3)); |
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32 end |
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33 |
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34 function handle_stanza(event) |
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35 local stanza = event.stanza; |
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36 local request_body = json.encode({ |
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37 to = stanza.attr.to; |
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38 from = stanza.attr.from; |
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39 kind = stanza.name; |
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40 body = stanza.name == "message" and stanza:get_child_text("body") or nil; |
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41 stanza = tostring(stanza); |
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42 }); |
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43 http.request(url, { |
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44 body = request_body; |
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45 }, function (response_text, code, response) |
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46 if stanza.attr.type == "error" then return; end -- Avoid error loops, don't reply to error stanzas |
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47 if code == 200 and response_text and response.headers["content-type"] == "application/json" then |
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48 local response_data = json.decode(response_text); |
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49 if response_data.stanza then |
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50 local reply_stanza = xml.parse(response_data.stanza); |
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51 if reply_stanza then |
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52 reply_stanza.attr.from, reply_stanza.attr.to = stanza.attr.to, stanza.attr.from; |
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53 module:send(reply_stanza); |
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54 else |
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55 module:log("warn", "Unable to parse reply stanza"); |
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56 end |
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57 else |
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58 local stanza_kind = response_data.kind or "message"; |
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59 local to = response_data.to or stanza.attr.from; |
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60 local from = response_data.from or stanza.attr.to; |
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61 local reply_stanza = st.stanza(stanza_kind, { |
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62 to = to, from = from; |
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63 type = response_data.type or (stanza_kind == "message" and "chat") or nil; |
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64 }); |
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65 if stanza_kind == "message" and response_data.body then |
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66 reply_stanza:tag("body"):text(tostring(response_data.body)):up(); |
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67 end |
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68 module:log("debug", "Sending %s", tostring(reply_stanza)); |
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69 module:send(reply_stanza); |
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70 end |
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71 elseif code >= 200 and code <= 299 then |
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72 return; |
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73 else |
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74 module:send(error_reply(stanza, code)); |
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75 end |
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76 return true; |
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77 end); |
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78 return true; |
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79 end |
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80 |
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81 for stanza_kind in stanza_kinds do |
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82 for _, jid_type in ipairs({ "host", "bare", "full" }) do |
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83 module:hook(stanza_kind.."/"..jid_type, handle_stanza); |
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84 end |
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85 end |
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86 |
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87 -- Simple handler for an always-online JID that allows everyone to subscribe to presence |
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88 local function default_presence_handler(event) |
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89 local stanza = event.stanza; |
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90 module:log("debug", "Handling %s", tostring(stanza)); |
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91 if stanza.attr.type == "probe" then |
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92 module:send(st.presence({ to = stanza.attr.from, from = stanza.attr.to.."/default" })); |
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93 elseif stanza.attr.type == "subscribe" then |
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94 module:send(st.presence({ type = "subscribed", to = stanza.attr.from, from = stanza.attr.to.."/default" })); |
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95 module:send(st.presence({ to = stanza.attr.from, from = stanza.attr.to.."/default" })); |
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96 elseif stanza.attr.type == "unsubscribe" then |
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97 module:send(st.presence({ type = "unavailable", to = stanza.attr.from, from = stanza.attr.to.."/default" })); |
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98 end |
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99 return true; |
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100 end |
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101 |
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102 module:hook("presence/bare", default_presence_handler, -1); |