prosody
1d79da482c5d
plugins/mod_roster.lua

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plugins/mod_roster.lua @ 108:1d79da482c5d

Added: More complete implementation for mod_roster
author Waqas Hussain <waqas20@gmail.com>
date Fri, 17 Oct 2008 22:20:03 +0500
parent 102:a5b914370db5
child 110:bb5ac5976a97
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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_roster_push = require "core.rostermanager".roster_push;
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11 add_iq_handler("c2s", "jabber:iq:roster",
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12 function (session, stanza)
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13 if stanza.tags[1].name == "query" then
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14 if stanza.attr.type == "get" then
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15 local roster = st.reply(stanza)
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16 :query("jabber:iq:roster");
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17 for jid in pairs(session.roster) do
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18 local item = st.stanza("item", {
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19 jid = jid,
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20 subscription = session.roster[jid].subscription,
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21 name = session.roster[jid].name,
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22 });
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23 for group in pairs(session.roster[jid].groups) do
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24 item:tag("group"):text(group):up();
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25 end
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26 roster:add_child(item);
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27 end
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28 send(session, roster);
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29 return true;
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30 elseif stanza.attr.type == "set" then
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31 local query = stanza.tags[1];
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32 if #query.tags == 1 and query.tags[1].name == "item"
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33 and query.tags[1].attr.xmlns == "jabber:iq:roster" and query.tags[1].attr.jid then
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34 local item = query.tags[1];
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35 local from_node, from_host = jid_split(stanza.attr.from);
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36 local node, host, resource = jid_split(item.attr.jid);
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37 if not resource then
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38 if item.attr.jid ~= from_node.."@"..from_host then
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39 if item.attr.subscription == "remove" then
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40 if session.roster[item.attr.jid] then
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41 local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, item.attr.jid);
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42 if success then
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43 send(session, st.reply(stanza));
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44 rm_roster_push(from_node, from_host, item.attr.jid);
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45 else
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46 send(session, st.error_reply(stanza, err_type, err_cond, err_msg));
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47 end
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48 else
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49 send(session, st.error_reply(stanza, "modify", "item-not-found"));
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50 end
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51 else
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52 local r_item = {name = item.attr.name, groups = {}};
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53 if r_item.name == "" then r_item.name = nil; end
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54 if session.roster[item.attr.jid] then
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55 r_item.subscription = session.roster[item.attr.jid];
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56 else
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57 r_item.subscription = "none";
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58 end
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59 for _, child in ipairs(item) do
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60 if child.name == "group" then
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61 local text = t_concat(child);
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62 if text and text ~= "" then
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63 r_item.groups[text] = true;
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64 end
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65 end
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66 end
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67 local success, err_type, err_cond, err_msg = rm_add_to_roster(session, item.attr.jid, r_item);
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68 if success then
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69 send(session, st.reply(stanza));
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70 rm_roster_push(from_node, from_host, item.attr.jid);
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71 else
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72 send(session, st.error_reply(stanza, err_type, err_cond, err_msg));
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73 end
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74 end
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75 else
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76 send(session, st.error_reply(stanza, "cancel", "not-allowed"));
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77 end
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78 else
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79 send(session, st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error?
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80 end
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81 else
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82 send(session, st.error_reply(stanza, "modify", "bad-request"));
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83 end
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84 return true;
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85 end
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86 end
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87 end);