prosody
6d81e74310a7
core/rostermanager.lua

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core/rostermanager.lua @ 1897:6d81e74310a7

rostermanager: Added support for saving rosters of offline users to the save_roster function.
author Waqas Hussain <waqas20@gmail.com>
date Sun, 04 Oct 2009 21:25:59 +0500
parent 1523:841d61be198f
child 1898:1ce02e2f5a3f
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 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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9
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12 local log = require "util.logger".init("rostermanager");
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14 local setmetatable = setmetatable;
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15 local format = string.format;
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16 local loadfile, setfenv, pcall = loadfile, setfenv, pcall;
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17 local pairs, ipairs = pairs, ipairs;
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18 local tostring = tostring;
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20 local hosts = hosts;
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21
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22 local datamanager = require "util.datamanager"
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23 local st = require "util.stanza";
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24
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25 module "rostermanager"
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26
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27 function add_to_roster(session, jid, item)
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28 if session.roster then
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29 local old_item = session.roster[jid];
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30 session.roster[jid] = item;
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31 if save_roster(session.username, session.host) then
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32 return true;
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33 else
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34 session.roster[jid] = old_item;
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35 return nil, "wait", "internal-server-error", "Unable to save roster";
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36 end
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37 else
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38 return nil, "auth", "not-authorized", "Session's roster not loaded";
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39 end
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40 end
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41
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42 function remove_from_roster(session, jid)
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43 if session.roster then
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44 local old_item = session.roster[jid];
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45 session.roster[jid] = nil;
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46 if save_roster(session.username, session.host) then
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47 return true;
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48 else
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49 session.roster[jid] = old_item;
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50 return nil, "wait", "internal-server-error", "Unable to save roster";
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51 end
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52 else
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53 return nil, "auth", "not-authorized", "Session's roster not loaded";
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54 end
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55 end
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56
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57 function roster_push(username, host, jid)
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58 local roster = jid and jid ~= "pending" and hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
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59 if roster then
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60 local item = hosts[host].sessions[username].roster[jid];
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61 local stanza = st.iq({type="set"});
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62 stanza:tag("query", {xmlns = "jabber:iq:roster", ver = tostring(roster[false].version or "1") });
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63 if item then
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64 stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name, ask = item.ask});
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65 for group in pairs(item.groups) do
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66 stanza:tag("group"):text(group):up();
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67 end
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68 else
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69 stanza:tag("item", {jid = jid, subscription = "remove"});
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70 end
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71 stanza:up(); -- move out from item
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72 stanza:up(); -- move out from stanza
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73 -- stanza ready
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74 for _, session in pairs(hosts[host].sessions[username].sessions) do
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75 if session.interested then
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76 -- FIXME do we need to set stanza.attr.to?
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77 session.send(stanza);
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78 end
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79 end
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80 end
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81 end
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82
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83 function load_roster(username, host)
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84 log("debug", "load_roster: asked for: "..username.."@"..host);
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85 local roster;
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86 if hosts[host] and hosts[host].sessions[username] then
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87 roster = hosts[host].sessions[username].roster;
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88 if not roster then
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89 log("debug", "load_roster: loading for new user: "..username.."@"..host);
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90 roster = datamanager.load(username, host, "roster") or {};
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91 if not roster[false] then roster[false] = { }; end
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92 hosts[host].sessions[username].roster = roster;
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93 hosts[host].events.fire_event("roster-load", username, host, roster);
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94 end
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95 return roster;
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96 end
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97
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98 -- Attempt to load roster for non-loaded user
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99 log("debug", "load_roster: loading for offline user: "..username.."@"..host);
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100 roster = datamanager.load(username, host, "roster") or {};
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101 hosts[host].events.fire_event("roster-load", username, host, roster);
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102 return roster;
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103 end
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104
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105 function save_roster(username, host, roster)
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106 log("debug", "save_roster: saving roster for "..username.."@"..host);
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107 if not roster then
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108 roster = hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
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109 --if not roster then
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110 -- --roster = load_roster(username, host);
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111 -- return true; -- roster unchanged, no reason to save
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112 --end
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113 end
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114 if roster then
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115 local roster = hosts[host].sessions[username].roster;
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116 roster[false].version = (roster[false].version or 1) + 1;
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117 return datamanager.store(username, host, "roster", hosts[host].sessions[username].roster);
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118 end
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119 log("warn", "save_roster: user had no roster to save");
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120 return nil;
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121 end
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122
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123 function process_inbound_subscription_approval(username, host, jid)
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124 local roster = load_roster(username, host);
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125 local item = roster[jid];
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126 if item and item.ask then
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127 if item.subscription == "none" then
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128 item.subscription = "to";
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129 else -- subscription == from
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130 item.subscription = "both";
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131 end
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132 item.ask = nil;
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133 return datamanager.store(username, host, "roster", roster);
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134 end
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135 end
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136
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137 function process_inbound_subscription_cancellation(username, host, jid)
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parents: 171
diff changeset
138 local roster = load_roster(username, host);
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parents: 171
diff changeset
139 local item = roster[jid];
176
e5cd2a03891d Outbound presence subscription
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diff changeset
140 local changed = nil;
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parents: 174
diff changeset
141 if is_contact_pending_out(username, host, jid) then
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parents: 174
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142 item.ask = nil;
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143 changed = true;
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parents: 174
diff changeset
144 end
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parents: 174
diff changeset
145 if item then
172
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
146 if item.subscription == "to" then
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parents: 171
diff changeset
147 item.subscription = "none";
176
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diff changeset
148 changed = true;
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parents: 174
diff changeset
149 elseif item.subscription == "both" then
172
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parents: 171
diff changeset
150 item.subscription = "from";
176
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diff changeset
151 changed = true;
172
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
152 end
176
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parents: 174
diff changeset
153 end
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parents: 174
diff changeset
154 if changed then
172
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
155 return datamanager.store(username, host, "roster", roster);
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
156 end
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
157 end
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
158
173
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
159 function process_inbound_unsubscribe(username, host, jid)
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
160 local roster = load_roster(username, host);
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parents: 172
diff changeset
161 local item = roster[jid];
176
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parents: 174
diff changeset
162 local changed = nil;
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parents: 174
diff changeset
163 if is_contact_pending_in(username, host, jid) then
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parents: 174
diff changeset
164 roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
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parents: 174
diff changeset
165 changed = true;
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parents: 174
diff changeset
166 end
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parents: 174
diff changeset
167 if item then
173
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
168 if item.subscription == "from" then
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
169 item.subscription = "none";
176
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parents: 174
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170 changed = true;
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parents: 174
diff changeset
171 elseif item.subscription == "both" then
173
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
172 item.subscription = "to";
176
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parents: 174
diff changeset
173 changed = true;
173
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
174 end
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
175 end
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parents: 174
diff changeset
176 if changed then
173
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
177 return datamanager.store(username, host, "roster", roster);
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
178 end
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
179 end
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
180
174
f9aff1fc7e99 Inbound subscription request
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parents: 173
diff changeset
181 function is_contact_subscribed(username, host, jid)
f9aff1fc7e99 Inbound subscription request
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parents: 173
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182 local roster = load_roster(username, host);
f9aff1fc7e99 Inbound subscription request
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parents: 173
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183 local item = roster[jid];
f9aff1fc7e99 Inbound subscription request
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diff changeset
184 return item and (item.subscription == "from" or item.subscription == "both");
f9aff1fc7e99 Inbound subscription request
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parents: 173
diff changeset
185 end
f9aff1fc7e99 Inbound subscription request
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parents: 173
diff changeset
186
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
187 function is_contact_pending_in(username, host, jid)
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parents: 174
diff changeset
188 local roster = load_roster(username, host);
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
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parents: 176
diff changeset
189 return roster.pending and roster.pending[jid];
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
190 end
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parents: 174
diff changeset
191 function set_contact_pending_in(username, host, jid, pending)
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parents: 174
diff changeset
192 local roster = load_roster(username, host);
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parents: 174
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193 local item = roster[jid];
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parents: 174
diff changeset
194 if item and (item.subscription == "from" or item.subscription == "both") then
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parents: 174
diff changeset
195 return; -- false
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parents: 174
diff changeset
196 end
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parents: 174
diff changeset
197 if not roster.pending then roster.pending = {}; end
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parents: 174
diff changeset
198 roster.pending[jid] = true;
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parents: 174
diff changeset
199 return datamanager.store(username, host, "roster", roster);
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
200 end
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parents: 174
diff changeset
201 function is_contact_pending_out(username, host, jid)
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parents: 174
diff changeset
202 local roster = load_roster(username, host);
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parents: 174
diff changeset
203 local item = roster[jid];
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parents: 174
diff changeset
204 return item and item.ask;
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parents: 174
diff changeset
205 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
206 function set_contact_pending_out(username, host, jid) -- subscribe
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parents: 174
diff changeset
207 local roster = load_roster(username, host);
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parents: 174
diff changeset
208 local item = roster[jid];
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parents: 174
diff changeset
209 if item and (item.ask or item.subscription == "to" or item.subscription == "both") then
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
210 return true;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
211 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
212 if not item then
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
Waqas Hussain <waqas20@gmail.com>
parents: 176
diff changeset
213 item = {subscription = "none", groups = {}};
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
214 roster[jid] = item;
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parents: 174
diff changeset
215 end
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parents: 174
diff changeset
216 item.ask = "subscribe";
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
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parents: 176
diff changeset
217 log("debug", "set_contact_pending_out: saving roster; set "..username.."@"..host..".roster["..jid.."].ask=subscribe");
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
218 return datamanager.store(username, host, "roster", roster);
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parents: 174
diff changeset
219 end
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parents: 174
diff changeset
220 function unsubscribe(username, host, jid)
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parents: 174
diff changeset
221 local roster = load_roster(username, host);
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parents: 174
diff changeset
222 local item = roster[jid];
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parents: 174
diff changeset
223 if not item then return false; end
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parents: 174
diff changeset
224 if (item.subscription == "from" or item.subscription == "none") and not item.ask then
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
225 return true;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
226 end
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parents: 174
diff changeset
227 item.ask = nil;
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parents: 174
diff changeset
228 if item.subscription == "both" then
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
229 item.subscription = "from";
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
230 elseif item.subscription == "to" then
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
231 item.subscription = "none";
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
232 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
233 return datamanager.store(username, host, "roster", roster);
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
234 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
235 function subscribed(username, host, jid)
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
236 if is_contact_pending_in(username, host, jid) then
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
237 local roster = load_roster(username, host);
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
238 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
239 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
240 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
241 roster[jid] = item;
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
242 end
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
243 if item.subscription == "none" then
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
244 item.subscription = "from";
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
245 else -- subscription == to
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
Waqas Hussain <waqas20@gmail.com>
parents: 176
diff changeset
246 item.subscription = "both";
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
247 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
248 roster.pending[jid] = nil;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
249 -- TODO maybe remove roster.pending if empty
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
250 return datamanager.store(username, host, "roster", roster);
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
251 end -- TODO else implement optional feature pre-approval (ask = subscribed)
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
252 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
253 function unsubscribed(username, host, jid)
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
254 local roster = load_roster(username, host);
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parents: 174
diff changeset
255 local item = roster[jid];
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parents: 174
diff changeset
256 local pending = is_contact_pending_in(username, host, jid);
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parents: 174
diff changeset
257 local changed = nil;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
258 if is_contact_pending_in(username, host, jid) then
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
259 roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
260 changed = true;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
261 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
262 if item then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
263 if item.subscription == "from" then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
264 item.subscription = "none";
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
265 changed = true;
267
6303b7454ad0 Some bugs fixed
Waqas Hussain <waqas20@gmail.com>
parents: 193
diff changeset
266 elseif item.subscription == "both" then
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
267 item.subscription = "to";
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
268 changed = true;
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
269 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
270 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
271 if changed then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
272 return datamanager.store(username, host, "roster", roster);
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
273 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
274 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
275
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
276 function process_outbound_subscription_request(username, host, jid)
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
277 local roster = load_roster(username, host);
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parents: 174
diff changeset
278 local item = roster[jid];
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parents: 174
diff changeset
279 if item and (item.subscription == "none" or item.subscription == "from") then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
280 item.ask = "subscribe";
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
281 return datamanager.store(username, host, "roster", roster);
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parents: 174
diff changeset
282 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
283 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
284
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
285 --[[function process_outbound_subscription_approval(username, host, jid)
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
286 local roster = load_roster(username, host);
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
287 local item = roster[jid];
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
288 if item and (item.subscription == "none" or item.subscription == "from" then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
289 item.ask = "subscribe";
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
290 return datamanager.store(username, host, "roster", roster);
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
291 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
292 end]]
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
293
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
294
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
295
916
f0743928ef7e core.rostermanager/mod_roster: Support for roster versioning
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
296 return _M;