prosody
5e884501a9ac
core/rostermanager.lua

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core/rostermanager.lua @ 7594:5e884501a9ac

net.server_epoll: Prevent anything from happening to destroyed sockets
author Kim Alvefur <zash@zash.se>
date Thu, 18 Aug 2016 16:46:20 +0200
parent 7271:dae47cd774ac
child 7779:b1f80447a2b1
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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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10
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11
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12 local log = require "util.logger".init("rostermanager");
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13
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14 local pairs = pairs;
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15 local tostring = tostring;
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16 local type = type;
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17
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18 local hosts = hosts;
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19 local bare_sessions = prosody.bare_sessions;
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20
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21 local um_user_exists = require "core.usermanager".user_exists;
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22 local st = require "util.stanza";
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23 local storagemanager = require "core.storagemanager";
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24
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25 local _ENV = nil;
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26
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27 local save_roster; -- forward declaration
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28
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29 local function add_to_roster(session, jid, item)
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30 if session.roster then
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31 local old_item = session.roster[jid];
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32 session.roster[jid] = item;
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33 if save_roster(session.username, session.host, nil, jid) then
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34 return true;
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35 else
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36 session.roster[jid] = old_item;
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37 return nil, "wait", "internal-server-error", "Unable to save roster";
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38 end
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39 else
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40 return nil, "auth", "not-authorized", "Session's roster not loaded";
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41 end
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42 end
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43
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44 local function remove_from_roster(session, jid)
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45 if session.roster then
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46 local old_item = session.roster[jid];
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47 session.roster[jid] = nil;
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48 if save_roster(session.username, session.host, nil, jid) then
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49 return true;
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50 else
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51 session.roster[jid] = old_item;
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52 return nil, "wait", "internal-server-error", "Unable to save roster";
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53 end
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54 else
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55 return nil, "auth", "not-authorized", "Session's roster not loaded";
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56 end
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57 end
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58
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59 local function roster_push(username, host, jid)
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60 local roster = jid and hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
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61 if roster then
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62 local item = hosts[host].sessions[username].roster[jid];
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63 local stanza = st.iq({type="set"});
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64 stanza:tag("query", {xmlns = "jabber:iq:roster", ver = tostring(roster[false].version or "1") });
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65 if item then
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66 stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name, ask = item.ask});
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67 for group in pairs(item.groups) do
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68 stanza:tag("group"):text(group):up();
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69 end
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70 else
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71 stanza:tag("item", {jid = jid, subscription = "remove"});
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72 end
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73 stanza:up(); -- move out from item
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74 stanza:up(); -- move out from stanza
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75 -- stanza ready
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76 for _, session in pairs(hosts[host].sessions[username].sessions) do
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77 if session.interested then
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78 session.send(stanza);
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79 end
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80 end
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81 end
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82 end
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83
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84 local function roster_metadata(roster, err)
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85 local metadata = roster[false];
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86 if not metadata then
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87 metadata = { broken = err or nil };
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88 roster[false] = metadata;
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89 end
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90 if roster.pending and type(roster.pending.subscription) ~= "string" then
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91 metadata.pending = roster.pending;
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92 roster.pending = nil;
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93 elseif not metadata.pending then
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94 metadata.pending = {};
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95 end
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96 return metadata;
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97 end
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98
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99 local function load_roster(username, host)
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100 local jid = username.."@"..host;
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101 log("debug", "load_roster: asked for: %s", jid);
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102 local user = bare_sessions[jid];
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103 local roster;
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104 if user then
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105 roster = user.roster;
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106 if roster then return roster; end
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107 log("debug", "load_roster: loading for new user: %s@%s", username, host);
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108 else -- Attempt to load roster for non-loaded user
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109 log("debug", "load_roster: loading for offline user: %s@%s", username, host);
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110 end
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111 local roster_store = storagemanager.open(host, "roster", "keyval");
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112 local data, err = roster_store:get(username);
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113 roster = data or {};
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114 if user then user.roster = roster; end
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115 roster_metadata(roster, err);
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116 if roster[jid] then
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117 roster[jid] = nil;
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118 log("warn", "roster for %s has a self-contact", jid);
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119 end
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120 if not err then
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121 hosts[host].events.fire_event("roster-load", { username = username, host = host, roster = roster });
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122 end
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123 return roster, err;
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124 end
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125
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126 function save_roster(username, host, roster, jid)
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127 if not um_user_exists(username, host) then
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128 log("debug", "not saving roster for %s@%s: the user doesn't exist", username, host);
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129 return nil;
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130 end
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parents: 5348
diff changeset
131
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132 log("debug", "save_roster: saving roster for %s@%s, (%s)", username, host, jid or "all contacts");
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parents: 1523
diff changeset
133 if not roster then
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parents: 1523
diff changeset
134 roster = hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
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parents: 1523
diff changeset
135 --if not roster then
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parents: 1523
diff changeset
136 -- --roster = load_roster(username, host);
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parents: 1523
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137 -- return true; -- roster unchanged, no reason to save
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parents: 1523
diff changeset
138 --end
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parents: 1523
diff changeset
139 end
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parents: 1523
diff changeset
140 if roster then
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parents: 6550
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141 local metadata = roster_metadata(roster);
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Matthew Wild <mwild1@gmail.com>
parents: 2050
diff changeset
142 if metadata.version ~= true then
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Matthew Wild <mwild1@gmail.com>
parents: 2050
diff changeset
143 metadata.version = (metadata.version or 0) + 1;
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Matthew Wild <mwild1@gmail.com>
parents: 2050
diff changeset
144 end
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Kim Alvefur <zash@zash.se>
parents: 6550
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145 if metadata.broken then return nil, "Not saving broken roster" end
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parents: 7154
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146 if jid == nil then
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parents: 7155
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147 local roster_store = storagemanager.open(host, "roster", "keyval");
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148 return roster_store:set(username, roster);
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diff changeset
149 else
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parents: 7155
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150 local roster_store = storagemanager.open(host, "roster", "map");
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diff changeset
151 return roster_store:set_keys(username, { [false] = metadata, [jid] = roster[jid] or roster_store.remove });
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parents: 7154
diff changeset
152 end
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parents: 80
diff changeset
153 end
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parents: 896
diff changeset
154 log("warn", "save_roster: user had no roster to save");
101
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parents: 80
diff changeset
155 return nil;
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
156 end
80
523ac742cc19 Fixed: rostermanager.lua now returns the module
Waqas Hussain <waqas20@gmail.com>
parents: 6
diff changeset
157
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parents: 6662
diff changeset
158 local function process_inbound_subscription_approval(username, host, jid)
171
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parents: 132
diff changeset
159 local roster = load_roster(username, host);
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parents: 132
diff changeset
160 local item = roster[jid];
176
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161 if item and item.ask then
171
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parents: 132
diff changeset
162 if item.subscription == "none" then
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parents: 132
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163 item.subscription = "to";
176
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164 else -- subscription == from
171
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parents: 132
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165 item.subscription = "both";
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parents: 132
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166 end
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parents: 132
diff changeset
167 item.ask = nil;
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168 return save_roster(username, host, roster, jid);
171
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parents: 132
diff changeset
169 end
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parents: 132
diff changeset
170 end
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parents: 132
diff changeset
171
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diff changeset
172 local is_contact_pending_out -- forward declaration
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173
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parents: 6662
diff changeset
174 local function process_inbound_subscription_cancellation(username, host, jid)
172
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parents: 171
diff changeset
175 local roster = load_roster(username, host);
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parents: 171
diff changeset
176 local item = roster[jid];
176
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177 local changed = nil;
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178 if is_contact_pending_out(username, host, jid) then
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179 item.ask = nil;
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180 changed = true;
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parents: 174
diff changeset
181 end
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parents: 174
diff changeset
182 if item then
172
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parents: 171
diff changeset
183 if item.subscription == "to" then
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184 item.subscription = "none";
176
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185 changed = true;
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186 elseif item.subscription == "both" then
172
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diff changeset
187 item.subscription = "from";
176
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188 changed = true;
172
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parents: 171
diff changeset
189 end
176
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parents: 174
diff changeset
190 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
191 if changed then
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parents: 7154
diff changeset
192 return save_roster(username, host, roster, jid);
172
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parents: 171
diff changeset
193 end
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
194 end
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
195
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diff changeset
196 local is_contact_pending_in -- forward declaration
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parents: 6779
diff changeset
197
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diff changeset
198 local function process_inbound_unsubscribe(username, host, jid)
173
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diff changeset
199 local roster = load_roster(username, host);
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parents: 172
diff changeset
200 local item = roster[jid];
176
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diff changeset
201 local changed = nil;
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diff changeset
202 if is_contact_pending_in(username, host, jid) then
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parents: 6550
diff changeset
203 roster[false].pending[jid] = nil;
176
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parents: 174
diff changeset
204 changed = true;
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parents: 174
diff changeset
205 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
206 if item then
173
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parents: 172
diff changeset
207 if item.subscription == "from" then
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parents: 172
diff changeset
208 item.subscription = "none";
176
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209 changed = true;
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parents: 174
diff changeset
210 elseif item.subscription == "both" then
173
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parents: 172
diff changeset
211 item.subscription = "to";
176
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212 changed = true;
173
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parents: 172
diff changeset
213 end
176
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parents: 174
diff changeset
214 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
215 if changed then
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parents: 7154
diff changeset
216 return save_roster(username, host, roster, jid);
173
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parents: 172
diff changeset
217 end
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
218 end
f3a2af4d2ff2 Inbound unsubscribe
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parents: 172
diff changeset
219
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parents: 3111
diff changeset
220 local function _get_online_roster_subscription(jidA, jidB)
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parents: 3111
diff changeset
221 local user = bare_sessions[jidA];
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parents: 3111
diff changeset
222 local item = user and (user.roster[jidB] or { subscription = "none" });
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parents: 3111
diff changeset
223 return item and item.subscription;
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parents: 3111
diff changeset
224 end
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parents: 6662
diff changeset
225 local function is_contact_subscribed(username, host, jid)
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parents: 3111
diff changeset
226 do
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parents: 3111
diff changeset
227 local selfjid = username.."@"..host;
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parents: 6624
diff changeset
228 local user_subscription = _get_online_roster_subscription(selfjid, jid);
5ef319efedba rostermanager: Variable rename for clarity and to avoid name clash [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6624
diff changeset
229 if user_subscription then return (user_subscription == "both" or user_subscription == "from"); end
5ef319efedba rostermanager: Variable rename for clarity and to avoid name clash [luacheck]
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parents: 6624
diff changeset
230 local contact_subscription = _get_online_roster_subscription(jid, selfjid);
5ef319efedba rostermanager: Variable rename for clarity and to avoid name clash [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6624
diff changeset
231 if contact_subscription then return (contact_subscription == "both" or contact_subscription == "to"); end
3129
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Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
232 end
3111
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parents: 3110
diff changeset
233 local roster, err = load_roster(username, host);
174
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parents: 173
diff changeset
234 local item = roster[jid];
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parents: 3110
diff changeset
235 return item and (item.subscription == "from" or item.subscription == "both"), err;
174
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parents: 173
diff changeset
236 end
f9aff1fc7e99 Inbound subscription request
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parents: 173
diff changeset
237
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parents: 6779
diff changeset
238 function is_contact_pending_in(username, host, jid)
176
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diff changeset
239 local roster = load_roster(username, host);
6613
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parents: 6550
diff changeset
240 return roster[false].pending[jid];
176
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parents: 174
diff changeset
241 end
6779
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parents: 6662
diff changeset
242 local function set_contact_pending_in(username, host, jid)
176
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parents: 174
diff changeset
243 local roster = load_roster(username, host);
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parents: 174
diff changeset
244 local item = roster[jid];
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parents: 174
diff changeset
245 if item and (item.subscription == "from" or item.subscription == "both") then
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parents: 174
diff changeset
246 return; -- false
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parents: 174
diff changeset
247 end
6613
2aae36312eb9 rostermanager, mod_roster, mod_presence: Move pending roster items to roster metadata field
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parents: 6550
diff changeset
248 roster[false].pending[jid] = true;
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diff changeset
249 return save_roster(username, host, roster, jid);
176
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parents: 174
diff changeset
250 end
6787
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diff changeset
251 function is_contact_pending_out(username, host, jid)
176
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parents: 174
diff changeset
252 local roster = load_roster(username, host);
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parents: 174
diff changeset
253 local item = roster[jid];
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diff changeset
254 return item and item.ask;
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parents: 174
diff changeset
255 end
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diff changeset
256 local function set_contact_pending_out(username, host, jid) -- subscribe
176
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diff changeset
257 local roster = load_roster(username, host);
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diff changeset
258 local item = roster[jid];
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diff changeset
259 if item and (item.ask or item.subscription == "to" or item.subscription == "both") then
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diff changeset
260 return true;
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diff changeset
261 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
262 if not item then
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
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parents: 176
diff changeset
263 item = {subscription = "none", groups = {}};
176
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parents: 174
diff changeset
264 roster[jid] = item;
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diff changeset
265 end
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parents: 174
diff changeset
266 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
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267 log("debug", "set_contact_pending_out: saving roster; set %s@%s.roster[%q].ask=subscribe", username, host, jid);
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Kim Alvefur <zash@zash.se>
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268 return save_roster(username, host, roster, jid);
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269 end
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Kim Alvefur <zash@zash.se>
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270 local function unsubscribe(username, host, jid)
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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271 local roster = load_roster(username, host);
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272 local item = roster[jid];
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parents: 174
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273 if not item then return false; end
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parents: 174
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274 if (item.subscription == "from" or item.subscription == "none") and not item.ask then
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275 return true;
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276 end
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parents: 174
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277 item.ask = nil;
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parents: 174
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278 if item.subscription == "both" then
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parents: 174
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279 item.subscription = "from";
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parents: 174
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280 elseif item.subscription == "to" then
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parents: 174
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281 item.subscription = "none";
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parents: 174
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282 end
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Kim Alvefur <zash@zash.se>
parents: 7154
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283 return save_roster(username, host, roster, jid);
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parents: 174
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284 end
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Kim Alvefur <zash@zash.se>
parents: 6662
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285 local function subscribed(username, host, jid)
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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286 if is_contact_pending_in(username, host, jid) then
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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287 local roster = load_roster(username, host);
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parents: 174
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288 local item = roster[jid];
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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
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289 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
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290 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
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291 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
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292 end
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293 if item.subscription == "none" then
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parents: 174
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294 item.subscription = "from";
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parents: 174
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295 else -- subscription == to
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
Waqas Hussain <waqas20@gmail.com>
parents: 176
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296 item.subscription = "both";
176
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parents: 174
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297 end
6613
2aae36312eb9 rostermanager, mod_roster, mod_presence: Move pending roster items to roster metadata field
Kim Alvefur <zash@zash.se>
parents: 6550
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298 roster[false].pending[jid] = nil;
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Kim Alvefur <zash@zash.se>
parents: 7154
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299 return save_roster(username, host, roster, jid);
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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300 end -- TODO else implement optional feature pre-approval (ask = subscribed)
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parents: 174
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301 end
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Kim Alvefur <zash@zash.se>
parents: 6662
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302 local function unsubscribed(username, host, jid)
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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303 local roster = load_roster(username, host);
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parents: 174
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304 local item = roster[jid];
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parents: 174
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305 local pending = is_contact_pending_in(username, host, jid);
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Waqas Hussain <waqas20@gmail.com>
parents: 5024
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306 if pending then
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2aae36312eb9 rostermanager, mod_roster, mod_presence: Move pending roster items to roster metadata field
Kim Alvefur <zash@zash.se>
parents: 6550
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307 roster[false].pending[jid] = nil;
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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308 end
7064
b98006bfd97a rostermanager: Rename variable to avoid name clash [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6787
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309 local is_subscribed;
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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310 if item then
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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311 if item.subscription == "from" then
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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312 item.subscription = "none";
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Kim Alvefur <zash@zash.se>
parents: 6787
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313 is_subscribed = true;
267
6303b7454ad0 Some bugs fixed
Waqas Hussain <waqas20@gmail.com>
parents: 193
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314 elseif item.subscription == "both" then
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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315 item.subscription = "to";
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Kim Alvefur <zash@zash.se>
parents: 6787
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316 is_subscribed = true;
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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317 end
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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318 end
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Kim Alvefur <zash@zash.se>
parents: 7154
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319 local success = (pending or is_subscribed) and save_roster(username, host, roster, jid);
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Waqas Hussain <waqas20@gmail.com>
parents: 5024
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320 return success, pending, subscribed;
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parents: 174
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321 end
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parents: 174
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322
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Kim Alvefur <zash@zash.se>
parents: 6662
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323 local function process_outbound_subscription_request(username, host, jid)
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parents: 174
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324 local roster = load_roster(username, host);
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parents: 174
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325 local item = roster[jid];
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parents: 174
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326 if item and (item.subscription == "none" or item.subscription == "from") then
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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327 item.ask = "subscribe";
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Kim Alvefur <zash@zash.se>
parents: 7154
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328 return save_roster(username, host, roster, jid);
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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329 end
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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330 end
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parents: 174
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331
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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332 --[[function process_outbound_subscription_approval(username, host, jid)
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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333 local roster = load_roster(username, host);
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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334 local item = roster[jid];
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parents: 174
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335 if item and (item.subscription == "none" or item.subscription == "from" then
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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336 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
337 return save_roster(username, host, roster);
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parents: 174
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338 end
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339 end]]
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parents: 174
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340
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Waqas Hussain <waqas20@gmail.com>
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341
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Waqas Hussain <waqas20@gmail.com>
parents: 174
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342
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Kim Alvefur <zash@zash.se>
parents: 6662
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343 return {
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6662
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344 add_to_roster = add_to_roster;
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Kim Alvefur <zash@zash.se>
parents: 6662
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345 remove_from_roster = remove_from_roster;
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Kim Alvefur <zash@zash.se>
parents: 6662
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346 roster_push = roster_push;
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Kim Alvefur <zash@zash.se>
parents: 6662
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347 load_roster = load_roster;
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Kim Alvefur <zash@zash.se>
parents: 6662
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348 save_roster = save_roster;
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Kim Alvefur <zash@zash.se>
parents: 6662
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349 process_inbound_subscription_approval = process_inbound_subscription_approval;
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Kim Alvefur <zash@zash.se>
parents: 6662
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350 process_inbound_subscription_cancellation = process_inbound_subscription_cancellation;
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Kim Alvefur <zash@zash.se>
parents: 6662
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351 process_inbound_unsubscribe = process_inbound_unsubscribe;
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Kim Alvefur <zash@zash.se>
parents: 6662
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352 is_contact_subscribed = is_contact_subscribed;
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Kim Alvefur <zash@zash.se>
parents: 6662
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353 is_contact_pending_in = is_contact_pending_in;
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Kim Alvefur <zash@zash.se>
parents: 6662
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354 set_contact_pending_in = set_contact_pending_in;
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Kim Alvefur <zash@zash.se>
parents: 6662
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355 is_contact_pending_out = is_contact_pending_out;
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Kim Alvefur <zash@zash.se>
parents: 6662
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356 set_contact_pending_out = set_contact_pending_out;
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Kim Alvefur <zash@zash.se>
parents: 6662
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357 unsubscribe = unsubscribe;
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Kim Alvefur <zash@zash.se>
parents: 6662
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358 subscribed = subscribed;
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Kim Alvefur <zash@zash.se>
parents: 6662
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359 unsubscribed = unsubscribed;
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Kim Alvefur <zash@zash.se>
parents: 6662
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360 process_outbound_subscription_request = process_outbound_subscription_request;
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Kim Alvefur <zash@zash.se>
parents: 6662
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361 };