prosody
8d8debda3df2
core/rostermanager.lua

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core/rostermanager.lua @ 107:8d8debda3df2

Added: Roster manipulation functions to core.rostermanager
author Waqas Hussain <waqas20@gmail.com>
date Fri, 17 Oct 2008 22:19:26 +0500
parent 103:ebdb7875443e
child 110:bb5ac5976a97
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1
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2 local mainlog = log;
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3 local function log(type, message)
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4 mainlog(type, "rostermanager", message);
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5 end
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6
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7 local setmetatable = setmetatable;
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8 local format = string.format;
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9 local loadfile, setfenv, pcall = loadfile, setfenv, pcall;
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10
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11 local hosts = hosts;
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12
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13 require "util.datamanager"
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14
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15 local datamanager = datamanager;
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16 local st = require "util.stanza";
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17 local send = require "core.sessionmanager".send_to_session;
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18
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19 module "rostermanager"
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20
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21 --[[function getroster(username, host)
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22 return {
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23 ["mattj@localhost"] = true,
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24 ["tobias@getjabber.ath.cx"] = true,
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25 ["waqas@getjabber.ath.cx"] = true,
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26 ["thorns@getjabber.ath.cx"] = true,
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27 ["idw@getjabber.ath.cx"] = true,
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28 }
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29 --return datamanager.load(username, host, "roster") or {};
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30 end]]
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32 function add_to_roster(session, jid, item)
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33 if session.roster then
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34 local old_item = session.roster[jid];
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35 session.roster[jid] = item;
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36 if save_roster(session.username, session.host) then
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37 return true;
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38 else
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39 session.roster[jid] = old_item;
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40 return nil, "wait", "internal-server-error", "Unable to save roster";
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41 end
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42 else
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43 return nil, "auth", "not-authorized", "Session's roster not loaded";
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44 end
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45 end
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46
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47 function remove_from_roster(session, jid)
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48 if session.roster then
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49 local old_item = session.roster[jid];
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50 session.roster[jid] = nil;
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51 if save_roster(session.username, session.host) then
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52 return true;
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53 else
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54 session.roster[jid] = old_item;
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55 return nil, "wait", "internal-server-error", "Unable to save roster";
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56 end
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57 else
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58 return nil, "auth", "not-authorized", "Session's roster not loaded";
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59 end
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60 end
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61
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62 function roster_push(username, host, jid)
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63 if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then
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64 local item = hosts[host].sessions[username].roster[jid];
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65 local stanza = st.iq({type="set"});
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66 stanza:tag("query", {xmlns = "jabber:iq:roster"});
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67 if item then
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68 stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name});
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69 else
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70 stanza:tag("item", {jid = jid, subscription = "remove"});
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71 end
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72 for group in item.groups do
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73 stanza:tag("group"):text(group):up();
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74 end
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75 stanza:up();
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76 stanza:up();
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77 -- stanza ready
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78 for _, session in ipairs(hosts[host].sessions[username].sessions) do
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79 if session.full_jid then
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80 -- FIXME do we need to set stanza.attr.to?
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81 send(session, stanza);
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82 end
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83 end
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84 end
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85 end
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86
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87 function load_roster(username, host)
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88 if hosts[host] and hosts[host].sessions[username] then
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89 local roster = hosts[host].sessions[username].roster;
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90 if not roster then
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91 roster = datamanager.load(username, host, "roster") or {};
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92 hosts[host].sessions[username].roster = roster;
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93 end
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94 return roster;
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95 end
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96 -- Attempt to load roster for non-loaded user
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97 end
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98
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99 function save_roster(username, host)
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100 if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then
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101 return datamanager.save(username, host, "roster", hosts[host].sessions[username].roster);
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102 end
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103 return nil;
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104 end
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105
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106 return _M;