prosody
925f848c706d
core/rostermanager.lua

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core/rostermanager.lua @ 7261:925f848c706d

util.json: Variable renaming to avoid shadowing [luacheck]
author Matthew Wild <mwild1@gmail.com>
date Thu, 10 Mar 2016 17:53:17 +0000
parent 7167:7ae430fecf12
child 7271:dae47cd774ac
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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10
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75275b6b4e03 Update rostermanager to use new logger
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11
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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 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 -- FIXME do we need to set stanza.attr.to?
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79 session.send(stanza);
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80 end
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81 end
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82 end
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83 end
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84
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85 local function roster_metadata(roster, err)
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86 local metadata = roster[false];
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87 if not metadata then
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88 metadata = { broken = err or nil };
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89 roster[false] = metadata;
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90 end
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91 if roster.pending and type(roster.pending.subscription) ~= "string" then
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92 metadata.pending = roster.pending;
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93 roster.pending = nil;
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94 elseif not metadata.pending then
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95 metadata.pending = {};
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96 end
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97 return metadata;
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98 end
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99
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100 local function load_roster(username, host)
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101 local jid = username.."@"..host;
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102 log("debug", "load_roster: asked for: %s", jid);
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103 local user = bare_sessions[jid];
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104 local roster;
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105 if user then
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106 roster = user.roster;
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107 if roster then return roster; end
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108 log("debug", "load_roster: loading for new user: %s@%s", username, host);
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109 else -- Attempt to load roster for non-loaded user
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110 log("debug", "load_roster: loading for offline user: %s@%s", username, host);
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111 end
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112 local roster_store = storagemanager.open(host, "roster", "keyval");
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113 local data, err = roster_store:get(username);
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114 roster = data or {};
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115 if user then user.roster = roster; end
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116 roster_metadata(roster, err);
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117 if roster[jid] then
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118 roster[jid] = nil;
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119 log("warn", "roster for %s has a self-contact", jid);
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120 end
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121 if not err then
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122 hosts[host].events.fire_event("roster-load", { username = username, host = host, roster = roster });
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123 end
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124 return roster, err;
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125 end
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126
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127 function save_roster(username, host, roster, jid)
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128 if not um_user_exists(username, host) then
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129 log("debug", "not saving roster for %s@%s: the user doesn't exist", username, host);
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diff changeset
130 return nil;
25333de6e7c7 rostermanager: do not save rosters for unexistant users.
Marco Cirillo <maranda@lightwitch.org>
parents: 5348
diff changeset
131 end
25333de6e7c7 rostermanager: do not save rosters for unexistant users.
Marco Cirillo <maranda@lightwitch.org>
parents: 5348
diff changeset
132
7155
4a0825984e42 rostermanager: Use map stores when only one contact is changed
Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
133 log("debug", "save_roster: saving roster for %s@%s, (%s)", username, host, jid or "all contacts");
1897
6d81e74310a7 rostermanager: Added support for saving rosters of offline users to the save_roster function.
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
134 if not roster then
6d81e74310a7 rostermanager: Added support for saving rosters of offline users to the save_roster function.
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
135 roster = hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
6d81e74310a7 rostermanager: Added support for saving rosters of offline users to the save_roster function.
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parents: 1523
diff changeset
136 --if not roster then
6d81e74310a7 rostermanager: Added support for saving rosters of offline users to the save_roster function.
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
137 -- --roster = load_roster(username, host);
6d81e74310a7 rostermanager: Added support for saving rosters of offline users to the save_roster function.
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parents: 1523
diff changeset
138 -- return true; -- roster unchanged, no reason to save
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Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
139 --end
6d81e74310a7 rostermanager: Added support for saving rosters of offline users to the save_roster function.
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
140 end
6d81e74310a7 rostermanager: Added support for saving rosters of offline users to the save_roster function.
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
141 if roster then
6613
2aae36312eb9 rostermanager, mod_roster, mod_presence: Move pending roster items to roster metadata field
Kim Alvefur <zash@zash.se>
parents: 6550
diff changeset
142 local metadata = roster_metadata(roster);
2909
bcfd76cc9b7d rostermanager: Don't bump the roster version if it is == true (ie. we are not versioning the roster)
Matthew Wild <mwild1@gmail.com>
parents: 2050
diff changeset
143 if metadata.version ~= true then
bcfd76cc9b7d rostermanager: Don't bump the roster version if it is == true (ie. we are not versioning the roster)
Matthew Wild <mwild1@gmail.com>
parents: 2050
diff changeset
144 metadata.version = (metadata.version or 0) + 1;
bcfd76cc9b7d rostermanager: Don't bump the roster version if it is == true (ie. we are not versioning the roster)
Matthew Wild <mwild1@gmail.com>
parents: 2050
diff changeset
145 end
6613
2aae36312eb9 rostermanager, mod_roster, mod_presence: Move pending roster items to roster metadata field
Kim Alvefur <zash@zash.se>
parents: 6550
diff changeset
146 if metadata.broken then return nil, "Not saving broken roster" end
7155
4a0825984e42 rostermanager: Use map stores when only one contact is changed
Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
147 if jid == nil then
7167
7ae430fecf12 rostermanager: Require storagemanager at the top, fixes traceback on Lua 5.2
Matthew Wild <mwild1@gmail.com>
parents: 7155
diff changeset
148 local roster_store = storagemanager.open(host, "roster", "keyval");
7155
4a0825984e42 rostermanager: Use map stores when only one contact is changed
Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
149 return roster_store:set(username, roster);
4a0825984e42 rostermanager: Use map stores when only one contact is changed
Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
150 else
7167
7ae430fecf12 rostermanager: Require storagemanager at the top, fixes traceback on Lua 5.2
Matthew Wild <mwild1@gmail.com>
parents: 7155
diff changeset
151 local roster_store = storagemanager.open(host, "roster", "map");
7155
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Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
152 return roster_store:set_keys(username, { [false] = metadata, [jid] = roster[jid] or roster_store.remove });
4a0825984e42 rostermanager: Use map stores when only one contact is changed
Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
153 end
101
c690fa382743 Added some roster management functions
Waqas Hussain <waqas20@gmail.com>
parents: 80
diff changeset
154 end
916
f0743928ef7e core.rostermanager/mod_roster: Support for roster versioning
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
155 log("warn", "save_roster: user had no roster to save");
101
c690fa382743 Added some roster management functions
Waqas Hussain <waqas20@gmail.com>
parents: 80
diff changeset
156 return nil;
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
157 end
80
523ac742cc19 Fixed: rostermanager.lua now returns the module
Waqas Hussain <waqas20@gmail.com>
parents: 6
diff changeset
158
6779
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Kim Alvefur <zash@zash.se>
parents: 6662
diff changeset
159 local function process_inbound_subscription_approval(username, host, jid)
171
28f420d057a0 Inbound subscription approval
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parents: 132
diff changeset
160 local roster = load_roster(username, host);
28f420d057a0 Inbound subscription approval
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parents: 132
diff changeset
161 local item = roster[jid];
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
162 if item and item.ask then
171
28f420d057a0 Inbound subscription approval
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parents: 132
diff changeset
163 if item.subscription == "none" then
28f420d057a0 Inbound subscription approval
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parents: 132
diff changeset
164 item.subscription = "to";
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
165 else -- subscription == from
171
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parents: 132
diff changeset
166 item.subscription = "both";
28f420d057a0 Inbound subscription approval
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parents: 132
diff changeset
167 end
28f420d057a0 Inbound subscription approval
Waqas Hussain <waqas20@gmail.com>
parents: 132
diff changeset
168 item.ask = nil;
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4a0825984e42 rostermanager: Use map stores when only one contact is changed
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parents: 7154
diff changeset
169 return save_roster(username, host, roster, jid);
171
28f420d057a0 Inbound subscription approval
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parents: 132
diff changeset
170 end
28f420d057a0 Inbound subscription approval
Waqas Hussain <waqas20@gmail.com>
parents: 132
diff changeset
171 end
28f420d057a0 Inbound subscription approval
Waqas Hussain <waqas20@gmail.com>
parents: 132
diff changeset
172
6787
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Kim Alvefur <zash@zash.se>
parents: 6779
diff changeset
173 local is_contact_pending_out -- forward declaration
ad64e2eacd0e rostermanager: Add forward declarations
Kim Alvefur <zash@zash.se>
parents: 6779
diff changeset
174
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Kim Alvefur <zash@zash.se>
parents: 6662
diff changeset
175 local function process_inbound_subscription_cancellation(username, host, jid)
172
71247788c7c7 Inbound subscription cancellation
Waqas Hussain <waqas20@gmail.com>
parents: 171
diff changeset
176 local roster = load_roster(username, host);
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
177 local item = roster[jid];
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
178 local changed = nil;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
179 if is_contact_pending_out(username, host, jid) then
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
180 item.ask = nil;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
181 changed = true;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
182 end
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
183 if item then
172
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
184 if item.subscription == "to" then
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
185 item.subscription = "none";
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
186 changed = true;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
187 elseif item.subscription == "both" then
172
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
188 item.subscription = "from";
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
189 changed = true;
172
71247788c7c7 Inbound subscription cancellation
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parents: 171
diff changeset
190 end
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
191 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
192 if changed then
7155
4a0825984e42 rostermanager: Use map stores when only one contact is changed
Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
193 return save_roster(username, host, roster, jid);
172
71247788c7c7 Inbound subscription cancellation
Waqas Hussain <waqas20@gmail.com>
parents: 171
diff changeset
194 end
71247788c7c7 Inbound subscription cancellation
Waqas Hussain <waqas20@gmail.com>
parents: 171
diff changeset
195 end
71247788c7c7 Inbound subscription cancellation
Waqas Hussain <waqas20@gmail.com>
parents: 171
diff changeset
196
6787
ad64e2eacd0e rostermanager: Add forward declarations
Kim Alvefur <zash@zash.se>
parents: 6779
diff changeset
197 local is_contact_pending_in -- forward declaration
ad64e2eacd0e rostermanager: Add forward declarations
Kim Alvefur <zash@zash.se>
parents: 6779
diff changeset
198
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Kim Alvefur <zash@zash.se>
parents: 6662
diff changeset
199 local function process_inbound_unsubscribe(username, host, jid)
173
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
200 local roster = load_roster(username, host);
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
201 local item = roster[jid];
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
202 local changed = nil;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
203 if is_contact_pending_in(username, host, jid) then
6613
2aae36312eb9 rostermanager, mod_roster, mod_presence: Move pending roster items to roster metadata field
Kim Alvefur <zash@zash.se>
parents: 6550
diff changeset
204 roster[false].pending[jid] = nil;
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
205 changed = true;
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
206 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
207 if item then
173
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
208 if item.subscription == "from" then
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
209 item.subscription = "none";
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
210 changed = true;
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
211 elseif item.subscription == "both" then
173
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
212 item.subscription = "to";
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
213 changed = true;
173
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
214 end
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
215 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
216 if changed then
7155
4a0825984e42 rostermanager: Use map stores when only one contact is changed
Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
217 return save_roster(username, host, roster, jid);
173
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
218 end
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
219 end
f3a2af4d2ff2 Inbound unsubscribe
Waqas Hussain <waqas20@gmail.com>
parents: 172
diff changeset
220
3129
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
221 local function _get_online_roster_subscription(jidA, jidB)
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
222 local user = bare_sessions[jidA];
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
223 local item = user and (user.roster[jidB] or { subscription = "none" });
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
224 return item and item.subscription;
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
225 end
6779
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6662
diff changeset
226 local function is_contact_subscribed(username, host, jid)
3129
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
227 do
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
228 local selfjid = username.."@"..host;
6662
5ef319efedba rostermanager: Variable rename for clarity and to avoid name clash [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6624
diff changeset
229 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
230 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]
Matthew Wild <mwild1@gmail.com>
parents: 6624
diff changeset
231 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
232 if contact_subscription then return (contact_subscription == "both" or contact_subscription == "to"); end
3129
125f03db0b1a rostermanager: Optimisation to avoid unnecessarily loading rosters for offline contacts on probes, etc.
Waqas Hussain <waqas20@gmail.com>
parents: 3111
diff changeset
233 end
3111
826cb5f1859b rostermanager: Return an error string when subscription test fails due to an error.
Waqas Hussain <waqas20@gmail.com>
parents: 3110
diff changeset
234 local roster, err = load_roster(username, host);
174
f9aff1fc7e99 Inbound subscription request
Waqas Hussain <waqas20@gmail.com>
parents: 173
diff changeset
235 local item = roster[jid];
3111
826cb5f1859b rostermanager: Return an error string when subscription test fails due to an error.
Waqas Hussain <waqas20@gmail.com>
parents: 3110
diff changeset
236 return item and (item.subscription == "from" or item.subscription == "both"), err;
174
f9aff1fc7e99 Inbound subscription request
Waqas Hussain <waqas20@gmail.com>
parents: 173
diff changeset
237 end
f9aff1fc7e99 Inbound subscription request
Waqas Hussain <waqas20@gmail.com>
parents: 173
diff changeset
238
6787
ad64e2eacd0e rostermanager: Add forward declarations
Kim Alvefur <zash@zash.se>
parents: 6779
diff changeset
239 function is_contact_pending_in(username, host, jid)
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
240 local roster = load_roster(username, host);
6613
2aae36312eb9 rostermanager, mod_roster, mod_presence: Move pending roster items to roster metadata field
Kim Alvefur <zash@zash.se>
parents: 6550
diff changeset
241 return roster[false].pending[jid];
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
242 end
6779
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6662
diff changeset
243 local function set_contact_pending_in(username, host, jid)
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
244 local roster = load_roster(username, host);
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
245 local item = roster[jid];
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
246 if item and (item.subscription == "from" or item.subscription == "both") then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
247 return; -- false
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
248 end
6613
2aae36312eb9 rostermanager, mod_roster, mod_presence: Move pending roster items to roster metadata field
Kim Alvefur <zash@zash.se>
parents: 6550
diff changeset
249 roster[false].pending[jid] = true;
7155
4a0825984e42 rostermanager: Use map stores when only one contact is changed
Kim Alvefur <zash@zash.se>
parents: 7154
diff changeset
250 return save_roster(username, host, roster, jid);
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
251 end
6787
ad64e2eacd0e rostermanager: Add forward declarations
Kim Alvefur <zash@zash.se>
parents: 6779
diff changeset
252 function is_contact_pending_out(username, host, jid)
176
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
253 local roster = load_roster(username, host);
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
254 local item = roster[jid];
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
255 return item and item.ask;
e5cd2a03891d Outbound presence subscription
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parents: 174
diff changeset
256 end
6779
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6662
diff changeset
257 local function set_contact_pending_out(username, host, jid) -- subscribe
176
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parents: 174
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];
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parents: 174
diff changeset
260 if item and (item.ask or item.subscription == "to" or item.subscription == "both") then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
261 return true;
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
262 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
263 if not item then
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
Waqas Hussain <waqas20@gmail.com>
parents: 176
diff changeset
264 item = {subscription = "none", groups = {}};
176
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parents: 174
diff changeset
265 roster[jid] = item;
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
266 end
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267 item.ask = "subscribe";
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268 log("debug", "set_contact_pending_out: saving roster; set %s@%s.roster[%q].ask=subscribe", username, host, jid);
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269 return save_roster(username, host, roster, jid);
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270 end
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271 local function unsubscribe(username, host, jid)
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272 local roster = load_roster(username, host);
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273 local item = roster[jid];
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274 if not item then return false; end
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275 if (item.subscription == "from" or item.subscription == "none") and not item.ask then
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276 return true;
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277 end
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278 item.ask = nil;
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279 if item.subscription == "both" then
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280 item.subscription = "from";
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281 elseif item.subscription == "to" then
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282 item.subscription = "none";
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283 end
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284 return save_roster(username, host, roster, jid);
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285 end
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286 local function subscribed(username, host, jid)
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287 if is_contact_pending_in(username, host, jid) then
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288 local roster = load_roster(username, host);
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289 local item = roster[jid];
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290 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)
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291 item = {subscription = "none", groups = {}};
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292 roster[jid] = item;
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293 end
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294 if item.subscription == "none" then
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295 item.subscription = "from";
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296 else -- subscription == to
177
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297 item.subscription = "both";
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298 end
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Kim Alvefur <zash@zash.se>
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299 roster[false].pending[jid] = nil;
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300 return save_roster(username, host, roster, jid);
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301 end -- TODO else implement optional feature pre-approval (ask = subscribed)
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302 end
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303 local function unsubscribed(username, host, jid)
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304 local roster = load_roster(username, host);
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305 local item = roster[jid];
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306 local pending = is_contact_pending_in(username, host, jid);
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307 if pending then
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308 roster[false].pending[jid] = nil;
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309 end
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310 local is_subscribed;
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311 if item then
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312 if item.subscription == "from" then
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313 item.subscription = "none";
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314 is_subscribed = true;
267
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315 elseif item.subscription == "both" then
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316 item.subscription = "to";
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317 is_subscribed = true;
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318 end
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319 end
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320 local success = (pending or is_subscribed) and save_roster(username, host, roster, jid);
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321 return success, pending, subscribed;
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322 end
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323
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324 local function process_outbound_subscription_request(username, host, jid)
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325 local roster = load_roster(username, host);
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326 local item = roster[jid];
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327 if item and (item.subscription == "none" or item.subscription == "from") then
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328 item.ask = "subscribe";
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329 return save_roster(username, host, roster, jid);
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330 end
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331 end
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332
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333 --[[function process_outbound_subscription_approval(username, host, jid)
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334 local roster = load_roster(username, host);
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335 local item = roster[jid];
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336 if item and (item.subscription == "none" or item.subscription == "from" then
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337 item.ask = "subscribe";
1898
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338 return save_roster(username, host, roster);
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339 end
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340 end]]
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341
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342
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343
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344 return {
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345 add_to_roster = add_to_roster;
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346 remove_from_roster = remove_from_roster;
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347 roster_push = roster_push;
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348 load_roster = load_roster;
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349 save_roster = save_roster;
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350 process_inbound_subscription_approval = process_inbound_subscription_approval;
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351 process_inbound_subscription_cancellation = process_inbound_subscription_cancellation;
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352 process_inbound_unsubscribe = process_inbound_unsubscribe;
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353 is_contact_subscribed = is_contact_subscribed;
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354 is_contact_pending_in = is_contact_pending_in;
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355 set_contact_pending_in = set_contact_pending_in;
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356 is_contact_pending_out = is_contact_pending_out;
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357 set_contact_pending_out = set_contact_pending_out;
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358 unsubscribe = unsubscribe;
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359 subscribed = subscribed;
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360 unsubscribed = unsubscribed;
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361 process_outbound_subscription_request = process_outbound_subscription_request;
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362 };