prosody
43517e649c53
core/rostermanager.lua

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core/rostermanager.lua @ 5359:43517e649c53

util.pposix: Allow fetching RLIMIT_NICE when available
author Matthew Wild <mwild1@gmail.com>
date Fri, 22 Mar 2013 11:23:40 +0000
parent 5348:ca0d820e9318
child 5429:25333de6e7c7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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12 local log = require "util.logger".init("rostermanager");
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14 local pairs = pairs;
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15 local tostring = tostring;
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16
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17 local hosts = hosts;
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18 local bare_sessions = bare_sessions;
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19
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20 local datamanager = require "util.datamanager"
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21 local st = require "util.stanza";
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22
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23 module "rostermanager"
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24
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25 function add_to_roster(session, jid, item)
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26 if session.roster then
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27 local old_item = session.roster[jid];
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28 session.roster[jid] = item;
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29 if save_roster(session.username, session.host) then
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30 return true;
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31 else
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32 session.roster[jid] = old_item;
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33 return nil, "wait", "internal-server-error", "Unable to save roster";
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34 end
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35 else
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36 return nil, "auth", "not-authorized", "Session's roster not loaded";
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37 end
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38 end
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39
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40 function remove_from_roster(session, jid)
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41 if session.roster then
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42 local old_item = session.roster[jid];
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43 session.roster[jid] = nil;
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44 if save_roster(session.username, session.host) then
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45 return true;
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46 else
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47 session.roster[jid] = old_item;
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48 return nil, "wait", "internal-server-error", "Unable to save roster";
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49 end
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50 else
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51 return nil, "auth", "not-authorized", "Session's roster not loaded";
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52 end
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53 end
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55 function roster_push(username, host, jid)
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56 local roster = jid and jid ~= "pending" and hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
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57 if roster then
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58 local item = hosts[host].sessions[username].roster[jid];
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59 local stanza = st.iq({type="set"});
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60 stanza:tag("query", {xmlns = "jabber:iq:roster", ver = tostring(roster[false].version or "1") });
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61 if item then
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62 stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name, ask = item.ask});
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63 for group in pairs(item.groups) do
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64 stanza:tag("group"):text(group):up();
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65 end
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66 else
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67 stanza:tag("item", {jid = jid, subscription = "remove"});
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68 end
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69 stanza:up(); -- move out from item
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70 stanza:up(); -- move out from stanza
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71 -- stanza ready
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72 for _, session in pairs(hosts[host].sessions[username].sessions) do
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73 if session.interested then
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74 -- FIXME do we need to set stanza.attr.to?
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75 session.send(stanza);
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76 end
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77 end
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78 end
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79 end
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80
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81 function load_roster(username, host)
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82 local jid = username.."@"..host;
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83 log("debug", "load_roster: asked for: %s", jid);
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84 local user = bare_sessions[jid];
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85 local roster;
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86 if user then
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87 roster = user.roster;
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88 if roster then return roster; end
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89 log("debug", "load_roster: loading for new user: %s@%s", username, host);
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90 else -- Attempt to load roster for non-loaded user
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91 log("debug", "load_roster: loading for offline user: %s@%s", username, host);
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92 end
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93 local data, err = datamanager.load(username, host, "roster");
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94 roster = data or {};
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95 if user then user.roster = roster; end
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96 if not roster[false] then roster[false] = { broken = err or nil }; end
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97 if roster[jid] then
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98 roster[jid] = nil;
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99 log("warn", "roster for %s has a self-contact", jid);
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100 end
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101 if not err then
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102 hosts[host].events.fire_event("roster-load", username, host, roster);
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103 end
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104 return roster, err;
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105 end
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106
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107 function save_roster(username, host, roster)
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108 log("debug", "save_roster: saving roster for %s@%s", username, host);
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109 if not roster then
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110 roster = hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
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111 --if not roster then
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112 -- --roster = load_roster(username, host);
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113 -- return true; -- roster unchanged, no reason to save
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114 --end
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115 end
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116 if roster then
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117 local metadata = roster[false];
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118 if not metadata then
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119 metadata = {};
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120 roster[false] = metadata;
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121 end
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122 if metadata.version ~= true then
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123 metadata.version = (metadata.version or 0) + 1;
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124 end
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125 if roster[false].broken then return nil, "Not saving broken roster" end
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126 return datamanager.store(username, host, "roster", roster);
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127 end
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128 log("warn", "save_roster: user had no roster to save");
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129 return nil;
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130 end
80
523ac742cc19 Fixed: rostermanager.lua now returns the module
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131
171
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132 function process_inbound_subscription_approval(username, host, jid)
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133 local roster = load_roster(username, host);
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134 local item = roster[jid];
176
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135 if item and item.ask then
171
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136 if item.subscription == "none" then
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137 item.subscription = "to";
176
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138 else -- subscription == from
171
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139 item.subscription = "both";
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140 end
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diff changeset
141 item.ask = nil;
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1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
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142 return save_roster(username, host, roster);
171
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143 end
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diff changeset
144 end
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diff changeset
145
172
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146 function process_inbound_subscription_cancellation(username, host, jid)
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147 local roster = load_roster(username, host);
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148 local item = roster[jid];
176
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149 local changed = nil;
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150 if is_contact_pending_out(username, host, jid) then
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151 item.ask = nil;
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152 changed = true;
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153 end
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154 if item then
172
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diff changeset
155 if item.subscription == "to" then
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156 item.subscription = "none";
176
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157 changed = true;
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158 elseif item.subscription == "both" then
172
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159 item.subscription = "from";
176
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160 changed = true;
172
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161 end
176
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162 end
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diff changeset
163 if changed then
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1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
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164 return save_roster(username, host, roster);
172
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165 end
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166 end
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parents: 171
diff changeset
167
173
f3a2af4d2ff2 Inbound unsubscribe
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168 function process_inbound_unsubscribe(username, host, jid)
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169 local roster = load_roster(username, host);
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170 local item = roster[jid];
176
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171 local changed = nil;
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172 if is_contact_pending_in(username, host, jid) then
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173 roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
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174 changed = true;
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175 end
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parents: 174
diff changeset
176 if item then
173
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parents: 172
diff changeset
177 if item.subscription == "from" then
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178 item.subscription = "none";
176
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179 changed = true;
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180 elseif item.subscription == "both" then
173
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181 item.subscription = "to";
176
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182 changed = true;
173
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183 end
176
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184 end
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diff changeset
185 if changed then
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1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
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186 return save_roster(username, host, roster);
173
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187 end
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diff changeset
188 end
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parents: 172
diff changeset
189
3129
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
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diff changeset
190 local function _get_online_roster_subscription(jidA, jidB)
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191 local user = bare_sessions[jidA];
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192 local item = user and (user.roster[jidB] or { subscription = "none" });
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193 return item and item.subscription;
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194 end
174
f9aff1fc7e99 Inbound subscription request
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diff changeset
195 function is_contact_subscribed(username, host, jid)
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196 do
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197 local selfjid = username.."@"..host;
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198 local subscription = _get_online_roster_subscription(selfjid, jid);
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199 if subscription then return (subscription == "both" or subscription == "from"); end
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200 local subscription = _get_online_roster_subscription(jid, selfjid);
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diff changeset
201 if subscription then return (subscription == "both" or subscription == "to"); end
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parents: 3111
diff changeset
202 end
3111
826cb5f1859b rostermanager: Return an error string when subscription test fails due to an error.
Waqas Hussain <waqas20@gmail.com>
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diff changeset
203 local roster, err = load_roster(username, host);
174
f9aff1fc7e99 Inbound subscription request
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diff changeset
204 local item = roster[jid];
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826cb5f1859b rostermanager: Return an error string when subscription test fails due to an error.
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205 return item and (item.subscription == "from" or item.subscription == "both"), err;
174
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diff changeset
206 end
f9aff1fc7e99 Inbound subscription request
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parents: 173
diff changeset
207
176
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208 function is_contact_pending_in(username, host, jid)
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209 local roster = load_roster(username, host);
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
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210 return roster.pending and roster.pending[jid];
176
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211 end
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diff changeset
212 function set_contact_pending_in(username, host, jid, pending)
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213 local roster = load_roster(username, host);
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214 local item = roster[jid];
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diff changeset
215 if item and (item.subscription == "from" or item.subscription == "both") then
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diff changeset
216 return; -- false
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diff changeset
217 end
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diff changeset
218 if not roster.pending then roster.pending = {}; end
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diff changeset
219 roster.pending[jid] = true;
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
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diff changeset
220 return save_roster(username, host, roster);
176
e5cd2a03891d Outbound presence subscription
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diff changeset
221 end
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diff changeset
222 function is_contact_pending_out(username, host, jid)
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diff changeset
223 local roster = load_roster(username, host);
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diff changeset
224 local item = roster[jid];
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diff changeset
225 return item and item.ask;
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226 end
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diff changeset
227 function set_contact_pending_out(username, host, jid) -- subscribe
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diff changeset
228 local roster = load_roster(username, host);
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229 local item = roster[jid];
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diff changeset
230 if item and (item.ask or item.subscription == "to" or item.subscription == "both") then
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diff changeset
231 return true;
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diff changeset
232 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
233 if not item then
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
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diff changeset
234 item = {subscription = "none", groups = {}};
176
e5cd2a03891d Outbound presence subscription
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diff changeset
235 roster[jid] = item;
e5cd2a03891d Outbound presence subscription
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diff changeset
236 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
237 item.ask = "subscribe";
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 3129
diff changeset
238 log("debug", "set_contact_pending_out: saving roster; set %s@%s.roster[%q].ask=subscribe", username, host, jid);
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
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diff changeset
239 return save_roster(username, host, roster);
176
e5cd2a03891d Outbound presence subscription
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diff changeset
240 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
241 function unsubscribe(username, host, jid)
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parents: 174
diff changeset
242 local roster = load_roster(username, host);
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243 local item = roster[jid];
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diff changeset
244 if not item then return false; end
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diff changeset
245 if (item.subscription == "from" or item.subscription == "none") and not item.ask then
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diff changeset
246 return true;
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diff changeset
247 end
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diff changeset
248 item.ask = nil;
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diff changeset
249 if item.subscription == "both" then
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diff changeset
250 item.subscription = "from";
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diff changeset
251 elseif item.subscription == "to" then
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diff changeset
252 item.subscription = "none";
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parents: 174
diff changeset
253 end
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
parents: 1897
diff changeset
254 return save_roster(username, host, roster);
176
e5cd2a03891d Outbound presence subscription
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diff changeset
255 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
256 function subscribed(username, host, jid)
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diff changeset
257 if is_contact_pending_in(username, host, jid) then
e5cd2a03891d Outbound presence subscription
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diff changeset
258 local roster = load_roster(username, host);
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
259 local item = roster[jid];
925
4861bcf0afa4 Fixed: rostermanager: Create new roster item if one doesn't exist on subscription approval (fixes issue #77)
Waqas Hussain <waqas20@gmail.com>
parents: 916
diff changeset
260 if not item then -- FIXME should roster item be auto-created?
4861bcf0afa4 Fixed: rostermanager: Create new roster item if one doesn't exist on subscription approval (fixes issue #77)
Waqas Hussain <waqas20@gmail.com>
parents: 916
diff changeset
261 item = {subscription = "none", groups = {}};
4861bcf0afa4 Fixed: rostermanager: Create new roster item if one doesn't exist on subscription approval (fixes issue #77)
Waqas Hussain <waqas20@gmail.com>
parents: 916
diff changeset
262 roster[jid] = item;
4861bcf0afa4 Fixed: rostermanager: Create new roster item if one doesn't exist on subscription approval (fixes issue #77)
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parents: 916
diff changeset
263 end
176
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parents: 174
diff changeset
264 if item.subscription == "none" then
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diff changeset
265 item.subscription = "from";
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parents: 174
diff changeset
266 else -- subscription == to
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
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parents: 176
diff changeset
267 item.subscription = "both";
176
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diff changeset
268 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
269 roster.pending[jid] = nil;
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parents: 174
diff changeset
270 -- TODO maybe remove roster.pending if empty
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
parents: 1897
diff changeset
271 return save_roster(username, host, roster);
176
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parents: 174
diff changeset
272 end -- TODO else implement optional feature pre-approval (ask = subscribed)
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parents: 174
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273 end
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parents: 174
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274 function unsubscribed(username, host, jid)
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275 local roster = load_roster(username, host);
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276 local item = roster[jid];
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277 local pending = is_contact_pending_in(username, host, jid);
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b0e36777f715 mod_presence, rostermanager: Bring outbound subscription cancellation in line with RFC6121.
Waqas Hussain <waqas20@gmail.com>
parents: 5024
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278 if pending then
176
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279 roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
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280 end
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281 local subscribed;
176
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parents: 174
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282 if item then
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parents: 174
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283 if item.subscription == "from" then
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parents: 174
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284 item.subscription = "none";
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Waqas Hussain <waqas20@gmail.com>
parents: 5024
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285 subscribed = true;
267
6303b7454ad0 Some bugs fixed
Waqas Hussain <waqas20@gmail.com>
parents: 193
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286 elseif item.subscription == "both" then
176
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287 item.subscription = "to";
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parents: 5024
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288 subscribed = true;
176
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parents: 174
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289 end
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parents: 174
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290 end
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Waqas Hussain <waqas20@gmail.com>
parents: 5024
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291 local success = (pending or subscribed) and save_roster(username, host, roster);
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parents: 5024
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292 return success, pending, subscribed;
176
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parents: 174
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293 end
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294
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parents: 174
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295 function process_outbound_subscription_request(username, host, jid)
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parents: 174
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296 local roster = load_roster(username, host);
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297 local item = roster[jid];
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parents: 174
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298 if item and (item.subscription == "none" or item.subscription == "from") then
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parents: 174
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299 item.ask = "subscribe";
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1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
parents: 1897
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300 return save_roster(username, host, roster);
176
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parents: 174
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301 end
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parents: 174
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302 end
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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303
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parents: 174
diff changeset
304 --[[function process_outbound_subscription_approval(username, host, jid)
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parents: 174
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305 local roster = load_roster(username, host);
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parents: 174
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306 local item = roster[jid];
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parents: 174
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307 if item and (item.subscription == "none" or item.subscription == "from" then
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parents: 174
diff changeset
308 item.ask = "subscribe";
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
parents: 1897
diff changeset
309 return save_roster(username, host, roster);
176
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parents: 174
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310 end
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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311 end]]
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
312
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
313
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
314
916
f0743928ef7e core.rostermanager/mod_roster: Support for roster versioning
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
315 return _M;