author | Waqas Hussain <waqas20@gmail.com> |
Sat, 25 Oct 2008 21:16:08 +0500 | |
changeset 176 | e5cd2a03891d |
parent 174 | f9aff1fc7e99 |
child 177 | 606c433955e7 |
permissions | -rw-r--r-- |
0 | 1 |
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2 |
local mainlog = log; |
|
3 |
local function log(type, message) |
|
4 |
mainlog(type, "rostermanager", message); |
|
5 |
end |
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6 |
||
7 |
local setmetatable = setmetatable; |
|
8 |
local format = string.format; |
|
9 |
local loadfile, setfenv, pcall = loadfile, setfenv, pcall; |
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110 | 10 |
local pairs, ipairs = pairs, ipairs; |
0 | 11 |
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12 |
local hosts = hosts; |
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13 |
|
0 | 14 |
require "util.datamanager" |
15 |
||
16 |
local datamanager = datamanager; |
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local st = require "util.stanza"; |
0 | 18 |
|
19 |
module "rostermanager" |
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20 |
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function add_to_roster(session, jid, item) |
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if session.roster then |
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local old_item = session.roster[jid]; |
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session.roster[jid] = item; |
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if save_roster(session.username, session.host) then |
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return true; |
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27 |
else |
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28 |
session.roster[jid] = old_item; |
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29 |
return nil, "wait", "internal-server-error", "Unable to save roster"; |
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30 |
end |
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31 |
else |
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32 |
return nil, "auth", "not-authorized", "Session's roster not loaded"; |
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33 |
end |
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end |
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|
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36 |
function remove_from_roster(session, jid) |
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37 |
if session.roster then |
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38 |
local old_item = session.roster[jid]; |
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session.roster[jid] = nil; |
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40 |
if save_roster(session.username, session.host) then |
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return true; |
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42 |
else |
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session.roster[jid] = old_item; |
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44 |
return nil, "wait", "internal-server-error", "Unable to save roster"; |
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45 |
end |
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46 |
else |
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47 |
return nil, "auth", "not-authorized", "Session's roster not loaded"; |
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48 |
end |
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49 |
end |
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50 |
|
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51 |
function roster_push(username, host, jid) |
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52 |
if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then |
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53 |
local item = hosts[host].sessions[username].roster[jid]; |
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54 |
local stanza = st.iq({type="set"}); |
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55 |
stanza:tag("query", {xmlns = "jabber:iq:roster"}); |
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56 |
if item then |
132 | 57 |
stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name, ask = item.ask}); |
110 | 58 |
for group in pairs(item.groups) do |
59 |
stanza:tag("group"):text(group):up(); |
|
60 |
end |
|
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else |
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62 |
stanza:tag("item", {jid = jid, subscription = "remove"}); |
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63 |
end |
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64 |
stanza:up(); |
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65 |
stanza:up(); |
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|
66 |
-- stanza ready |
110 | 67 |
for _, session in pairs(hosts[host].sessions[username].sessions) do |
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68 |
if session.interested then |
107
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69 |
-- FIXME do we need to set stanza.attr.to? |
110 | 70 |
session.send(stanza); |
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71 |
end |
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72 |
end |
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73 |
end |
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end |
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parents:
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|
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76 |
function load_roster(username, host) |
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77 |
if hosts[host] and hosts[host].sessions[username] then |
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parents:
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local roster = hosts[host].sessions[username].roster; |
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parents:
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79 |
if not roster then |
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parents:
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80 |
roster = datamanager.load(username, host, "roster") or {}; |
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parents:
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diff
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81 |
hosts[host].sessions[username].roster = roster; |
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82 |
end |
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83 |
return roster; |
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84 |
end |
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85 |
-- Attempt to load roster for non-loaded user |
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86 |
return datamanager.load(username, host, "roster") or {}; |
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87 |
end |
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|
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89 |
function save_roster(username, host) |
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90 |
if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then |
110 | 91 |
return datamanager.store(username, host, "roster", hosts[host].sessions[username].roster); |
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92 |
end |
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93 |
return nil; |
0 | 94 |
end |
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95 |
|
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function process_inbound_subscription_approval(username, host, jid) |
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97 |
local roster = load_roster(username, host); |
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|
98 |
local item = roster[jid]; |
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|
99 |
if item and item.ask then |
171
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100 |
if item.subscription == "none" then |
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101 |
item.subscription = "to"; |
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102 |
else -- subscription == from |
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item.subscription = "both"; |
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104 |
end |
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105 |
item.ask = nil; |
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106 |
return datamanager.store(username, host, "roster", roster); |
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107 |
end |
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108 |
end |
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109 |
|
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|
110 |
function process_inbound_subscription_cancellation(username, host, jid) |
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111 |
local roster = load_roster(username, host); |
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112 |
local item = roster[jid]; |
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113 |
local changed = nil; |
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114 |
if is_contact_pending_out(username, host, jid) then |
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115 |
item.ask = nil; |
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changed = true; |
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117 |
end |
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118 |
if item then |
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119 |
if item.subscription == "to" then |
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120 |
item.subscription = "none"; |
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changed = true; |
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122 |
elseif item.subscription == "both" then |
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123 |
item.subscription = "from"; |
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124 |
changed = true; |
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125 |
end |
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126 |
end |
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127 |
if changed then |
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128 |
return datamanager.store(username, host, "roster", roster); |
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129 |
end |
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130 |
end |
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131 |
|
173 | 132 |
function process_inbound_unsubscribe(username, host, jid) |
133 |
local roster = load_roster(username, host); |
|
134 |
local item = roster[jid]; |
|
176
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135 |
local changed = nil; |
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|
136 |
if is_contact_pending_in(username, host, jid) then |
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parents:
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|
137 |
roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty? |
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138 |
changed = true; |
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139 |
end |
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140 |
if item then |
173 | 141 |
if item.subscription == "from" then |
142 |
item.subscription = "none"; |
|
176
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changed = true; |
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elseif item.subscription == "both" then |
173 | 145 |
item.subscription = "to"; |
176
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146 |
changed = true; |
173 | 147 |
end |
176
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148 |
end |
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149 |
if changed then |
173 | 150 |
return datamanager.store(username, host, "roster", roster); |
151 |
end |
|
152 |
end |
|
153 |
||
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function is_contact_subscribed(username, host, jid) |
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155 |
local roster = load_roster(username, host); |
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156 |
local item = roster[jid]; |
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157 |
return item and (item.subscription == "from" or item.subscription == "both"); |
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158 |
end |
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159 |
|
176
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function is_contact_pending_in(username, host, jid) |
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local roster = load_roster(username, host); |
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162 |
return roster.pending or roster.pending[jid]; |
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163 |
end |
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164 |
function set_contact_pending_in(username, host, jid, pending) |
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165 |
local roster = load_roster(username, host); |
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166 |
local item = roster[jid]; |
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167 |
if item and (item.subscription == "from" or item.subscription == "both") then |
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168 |
return; -- false |
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169 |
end |
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170 |
if not roster.pending then roster.pending = {}; end |
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171 |
roster.pending[jid] = true; |
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172 |
return datamanager.store(username, host, "roster", roster); |
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173 |
end |
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174 |
function is_contact_pending_out(username, host, jid) |
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175 |
local roster = load_roster(username, host); |
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176 |
local item = roster[jid]; |
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177 |
return item and item.ask; |
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178 |
end |
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179 |
function set_contact_pending_out(username, host, jid) -- subscribe |
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180 |
local roster = load_roster(username, host); |
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|
181 |
local item = roster[jid]; |
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|
182 |
if item and (item.ask or item.subscription == "to" or item.subscription == "both") then |
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|
183 |
return true; |
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|
184 |
end |
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|
185 |
if not item then |
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|
186 |
item = {subscription = "none"}; |
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|
187 |
roster[jid] = item; |
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|
188 |
end |
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diff
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|
189 |
item.ask = "subscribe"; |
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|
190 |
return datamanager.store(username, host, "roster", roster); |
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diff
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|
191 |
end |
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diff
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|
192 |
function unsubscribe(username, host, jid) |
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diff
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|
193 |
local roster = load_roster(username, host); |
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diff
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|
194 |
local item = roster[jid]; |
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|
195 |
if not item then return false; end |
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diff
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|
196 |
if (item.subscription == "from" or item.subscription == "none") and not item.ask then |
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diff
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|
197 |
return true; |
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diff
changeset
|
198 |
end |
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diff
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|
199 |
item.ask = nil; |
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diff
changeset
|
200 |
if item.subscription == "both" then |
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diff
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|
201 |
item.subscription = "from"; |
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diff
changeset
|
202 |
elseif item.subscription == "to" then |
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diff
changeset
|
203 |
item.subscription = "none"; |
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diff
changeset
|
204 |
end |
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diff
changeset
|
205 |
return datamanager.store(username, host, "roster", roster); |
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diff
changeset
|
206 |
end |
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diff
changeset
|
207 |
function subscribed(username, host, jid) |
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diff
changeset
|
208 |
if is_contact_pending_in(username, host, jid) then |
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diff
changeset
|
209 |
local roster = load_roster(username, host); |
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diff
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|
210 |
local item = roster[jid]; |
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diff
changeset
|
211 |
if item.subscription == "none" then |
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diff
changeset
|
212 |
item.subscription = "from"; |
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diff
changeset
|
213 |
else -- subscription == to |
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diff
changeset
|
214 |
item.subsctiption = "both"; |
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diff
changeset
|
215 |
end |
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diff
changeset
|
216 |
roster.pending[jid] = nil; |
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diff
changeset
|
217 |
-- TODO maybe remove roster.pending if empty |
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diff
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|
218 |
return datamanager.store(username, host, "roster", roster); |
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diff
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|
219 |
end -- TODO else implement optional feature pre-approval (ask = subscribed) |
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diff
changeset
|
220 |
end |
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diff
changeset
|
221 |
function unsubscribed(username, host, jid) |
e5cd2a03891d
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174
diff
changeset
|
222 |
local roster = load_roster(username, host); |
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diff
changeset
|
223 |
local item = roster[jid]; |
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diff
changeset
|
224 |
local pending = is_contact_pending_in(username, host, jid); |
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174
diff
changeset
|
225 |
local changed = nil; |
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diff
changeset
|
226 |
if is_contact_pending_in(username, host, jid) then |
e5cd2a03891d
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parents:
174
diff
changeset
|
227 |
roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty? |
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diff
changeset
|
228 |
changed = true; |
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diff
changeset
|
229 |
end |
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parents:
174
diff
changeset
|
230 |
if item then |
e5cd2a03891d
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parents:
174
diff
changeset
|
231 |
if item.subscription == "from" then |
e5cd2a03891d
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174
diff
changeset
|
232 |
item.subscription = "none"; |
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diff
changeset
|
233 |
changed = true; |
e5cd2a03891d
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parents:
174
diff
changeset
|
234 |
elseif item.subscription == both then |
e5cd2a03891d
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parents:
174
diff
changeset
|
235 |
item.subscription = "to"; |
e5cd2a03891d
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parents:
174
diff
changeset
|
236 |
changed = true; |
e5cd2a03891d
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parents:
174
diff
changeset
|
237 |
end |
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Waqas Hussain <waqas20@gmail.com>
parents:
174
diff
changeset
|
238 |
end |
e5cd2a03891d
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Waqas Hussain <waqas20@gmail.com>
parents:
174
diff
changeset
|
239 |
if changed then |
e5cd2a03891d
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parents:
174
diff
changeset
|
240 |
return datamanager.store(username, host, "roster", roster); |
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Outbound presence subscription
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parents:
174
diff
changeset
|
241 |
end |
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Waqas Hussain <waqas20@gmail.com>
parents:
174
diff
changeset
|
242 |
end |
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Waqas Hussain <waqas20@gmail.com>
parents:
174
diff
changeset
|
243 |
|
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parents:
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diff
changeset
|
244 |
function process_outbound_subscription_request(username, host, jid) |
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diff
changeset
|
245 |
local roster = load_roster(username, host); |
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174
diff
changeset
|
246 |
local item = roster[jid]; |
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174
diff
changeset
|
247 |
if item and (item.subscription == "none" or item.subscription == "from") then |
e5cd2a03891d
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Waqas Hussain <waqas20@gmail.com>
parents:
174
diff
changeset
|
248 |
item.ask = "subscribe"; |
e5cd2a03891d
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parents:
174
diff
changeset
|
249 |
return datamanager.store(username, host, "roster", roster); |
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174
diff
changeset
|
250 |
end |
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parents:
174
diff
changeset
|
251 |
end |
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diff
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|
252 |
|
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diff
changeset
|
253 |
--[[function process_outbound_subscription_approval(username, host, jid) |
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diff
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|
254 |
local roster = load_roster(username, host); |
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diff
changeset
|
255 |
local item = roster[jid]; |
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diff
changeset
|
256 |
if item and (item.subscription == "none" or item.subscription == "from" then |
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diff
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|
257 |
item.ask = "subscribe"; |
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diff
changeset
|
258 |
return datamanager.store(username, host, "roster", roster); |
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diff
changeset
|
259 |
end |
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diff
changeset
|
260 |
end]] |
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diff
changeset
|
261 |
|
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changeset
|
262 |
|
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diff
changeset
|
263 |
|
80
523ac742cc19
Fixed: rostermanager.lua now returns the module
Waqas Hussain <waqas20@gmail.com>
parents:
6
diff
changeset
|
264 |
return _M; |