prosody
a296b61baad8
plugins/mod_roster.lua

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plugins/mod_roster.lua @ 264:a296b61baad8

Only reply with errors if the stanza is not an error or a result (don't know how much bandwidth this just cost me :) )
author Matthew Wild <mwild1@gmail.com>
date Fri, 14 Nov 2008 18:46:00 +0000
parent 193:13ac34255c37
child 299:300b5a201ad3
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2 local st = require "util.stanza"
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3 local send = require "core.sessionmanager".send_to_session
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5 local jid_split = require "util.jid".split;
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6 local t_concat = table.concat;
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7
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8 local rm_remove_from_roster = require "core.rostermanager".remove_from_roster;
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9 local rm_add_to_roster = require "core.rostermanager".add_to_roster;
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10 local rm_roster_push = require "core.rostermanager".roster_push;
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12 add_iq_handler("c2s", "jabber:iq:roster",
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13 function (session, stanza)
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14 if stanza.tags[1].name == "query" then
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15 if stanza.attr.type == "get" then
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16 local roster = st.reply(stanza)
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17 :query("jabber:iq:roster");
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18 for jid in pairs(session.roster) do
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19 if jid ~= "pending" then
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20 roster:tag("item", {
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21 jid = jid,
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22 subscription = session.roster[jid].subscription,
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23 ask = session.roster[jid].ask,
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24 name = session.roster[jid].name,
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25 });
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26 for group in pairs(session.roster[jid].groups) do
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27 roster:tag("group"):text(group):up();
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28 end
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29 roster:up(); -- move out from item
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30 end
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31 end
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32 send(session, roster);
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33 session.interested = true; -- resource is interested in roster updates
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34 return true;
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35 elseif stanza.attr.type == "set" then
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36 local query = stanza.tags[1];
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37 if #query.tags == 1 and query.tags[1].name == "item"
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38 and query.tags[1].attr.xmlns == "jabber:iq:roster" and query.tags[1].attr.jid
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39 and query.tags[1].attr.jid ~= "pending" then
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40 local item = query.tags[1];
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41 local from_node, from_host = jid_split(stanza.attr.from);
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42 local node, host, resource = jid_split(item.attr.jid);
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43 if not resource then
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44 if item.attr.jid ~= from_node.."@"..from_host then
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45 if item.attr.subscription == "remove" then
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46 if session.roster[item.attr.jid] then
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47 local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, item.attr.jid);
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48 if success then
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49 send(session, st.reply(stanza));
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50 rm_roster_push(from_node, from_host, item.attr.jid);
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51 else
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52 send(session, st.error_reply(stanza, err_type, err_cond, err_msg));
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53 end
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54 else
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55 send(session, st.error_reply(stanza, "modify", "item-not-found"));
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56 end
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57 else
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58 local r_item = {name = item.attr.name, groups = {}};
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59 if r_item.name == "" then r_item.name = nil; end
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60 if session.roster[item.attr.jid] then
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61 r_item.subscription = session.roster[item.attr.jid].subscription;
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62 r_item.ask = session.roster[item.attr.jid].ask;
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63 else
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64 r_item.subscription = "none";
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65 end
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66 for _, child in ipairs(item) do
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67 if child.name == "group" then
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68 local text = t_concat(child);
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69 if text and text ~= "" then
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70 r_item.groups[text] = true;
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71 end
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72 end
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73 end
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74 local success, err_type, err_cond, err_msg = rm_add_to_roster(session, item.attr.jid, r_item);
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75 if success then
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76 send(session, st.reply(stanza));
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77 rm_roster_push(from_node, from_host, item.attr.jid);
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78 else
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79 send(session, st.error_reply(stanza, err_type, err_cond, err_msg));
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80 end
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81 end
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82 else
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83 send(session, st.error_reply(stanza, "cancel", "not-allowed"));
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84 end
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85 else
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86 send(session, st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error?
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87 end
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88 else
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89 send(session, st.error_reply(stanza, "modify", "bad-request"));
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90 end
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91 return true;
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92 end
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93 end
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94 end);