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core/rostermanager.lua @ 7148:a461946fe865
Merge
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 08 Feb 2016 21:50:04 +0000 |
parent | 7064:b98006bfd97a |
child | 7154:b3b92204802f |
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 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
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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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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18 local hosts = hosts; |
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19 local bare_sessions = prosody.bare_sessions; |
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20 |
183 | 21 local datamanager = require "util.datamanager" |
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22 local um_user_exists = require "core.usermanager".user_exists; |
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23 local st = require "util.stanza"; |
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25 local _ENV = nil; |
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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) 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) 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 |
132 | 66 stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name, ask = item.ask}); |
110 | 67 for group in pairs(item.groups) do |
68 stanza:tag("group"):text(group):up(); | |
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 |
193 | 73 stanza:up(); -- move out from item |
74 stanza:up(); -- move out from stanza | |
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75 -- stanza ready |
110 | 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? |
110 | 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 data, err = datamanager.load(username, host, "roster"); |
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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) |
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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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131 |
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132 log("debug", "save_roster: saving roster for %s@%s", username, host); |
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133 if not roster then |
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134 roster = hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster; |
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135 --if not roster then |
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136 -- --roster = load_roster(username, host); |
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137 -- return true; -- roster unchanged, no reason to save |
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138 --end |
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139 end |
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140 if roster then |
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141 local metadata = roster_metadata(roster); |
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142 if metadata.version ~= true then |
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143 metadata.version = (metadata.version or 0) + 1; |
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144 end |
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145 if metadata.broken then return nil, "Not saving broken roster" end |
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146 return datamanager.store(username, host, "roster", roster); |
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147 end |
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148 log("warn", "save_roster: user had no roster to save"); |
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149 return nil; |
0 | 150 end |
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151 |
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152 local function process_inbound_subscription_approval(username, host, jid) |
171
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153 local roster = load_roster(username, host); |
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154 local item = roster[jid]; |
176
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155 if item and item.ask then |
171
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156 if item.subscription == "none" then |
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157 item.subscription = "to"; |
176
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158 else -- subscription == from |
171
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159 item.subscription = "both"; |
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160 end |
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161 item.ask = nil; |
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162 return save_roster(username, host, roster); |
171
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163 end |
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164 end |
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165 |
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166 local is_contact_pending_out -- forward declaration |
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167 |
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168 local function process_inbound_subscription_cancellation(username, host, jid) |
172
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169 local roster = load_roster(username, host); |
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170 local item = roster[jid]; |
176
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171 local changed = nil; |
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172 if is_contact_pending_out(username, host, jid) then |
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173 item.ask = nil; |
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174 changed = true; |
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175 end |
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176 if item then |
172
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177 if item.subscription == "to" then |
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178 item.subscription = "none"; |
176
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179 changed = true; |
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180 elseif item.subscription == "both" then |
172
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181 item.subscription = "from"; |
176
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182 changed = true; |
172
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183 end |
176
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184 end |
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185 if changed then |
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186 return save_roster(username, host, roster); |
172
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187 end |
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|
188 end |
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|
189 |
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190 local is_contact_pending_in -- forward declaration |
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|
191 |
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|
192 local function process_inbound_unsubscribe(username, host, jid) |
173 | 193 local roster = load_roster(username, host); |
194 local item = roster[jid]; | |
176
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195 local changed = nil; |
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diff
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|
196 if is_contact_pending_in(username, host, jid) then |
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|
197 roster[false].pending[jid] = nil; |
176
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198 changed = true; |
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|
199 end |
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diff
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200 if item then |
173 | 201 if item.subscription == "from" then |
202 item.subscription = "none"; | |
176
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203 changed = true; |
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204 elseif item.subscription == "both" then |
173 | 205 item.subscription = "to"; |
176
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diff
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206 changed = true; |
173 | 207 end |
176
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|
208 end |
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diff
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|
209 if changed then |
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|
210 return save_roster(username, host, roster); |
173 | 211 end |
212 end | |
213 | |
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diff
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|
214 local function _get_online_roster_subscription(jidA, jidB) |
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|
215 local user = bare_sessions[jidA]; |
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216 local item = user and (user.roster[jidB] or { subscription = "none" }); |
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|
217 return item and item.subscription; |
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|
218 end |
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219 local function is_contact_subscribed(username, host, jid) |
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|
220 do |
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|
221 local selfjid = username.."@"..host; |
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|
222 local user_subscription = _get_online_roster_subscription(selfjid, jid); |
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|
223 if user_subscription then return (user_subscription == "both" or user_subscription == "from"); end |
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|
224 local contact_subscription = _get_online_roster_subscription(jid, selfjid); |
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225 if contact_subscription then return (contact_subscription == "both" or contact_subscription == "to"); end |
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|
226 end |
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|
227 local roster, err = load_roster(username, host); |
174
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Inbound subscription request
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diff
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228 local item = roster[jid]; |
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229 return item and (item.subscription == "from" or item.subscription == "both"), err; |
174
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diff
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|
230 end |
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|
231 |
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232 function is_contact_pending_in(username, host, jid) |
176
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233 local roster = load_roster(username, host); |
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|
234 return roster[false].pending[jid]; |
176
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235 end |
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|
236 local function set_contact_pending_in(username, host, jid) |
176
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237 local roster = load_roster(username, host); |
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238 local item = roster[jid]; |
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|
239 if item and (item.subscription == "from" or item.subscription == "both") then |
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240 return; -- false |
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241 end |
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|
242 roster[false].pending[jid] = true; |
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|
243 return save_roster(username, host, roster); |
176
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244 end |
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|
245 function is_contact_pending_out(username, host, jid) |
176
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diff
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|
246 local roster = load_roster(username, host); |
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247 local item = roster[jid]; |
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|
248 return item and item.ask; |
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|
249 end |
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250 local function set_contact_pending_out(username, host, jid) -- subscribe |
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251 local roster = load_roster(username, host); |
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252 local item = roster[jid]; |
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253 if item and (item.ask or item.subscription == "to" or item.subscription == "both") then |
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254 return true; |
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255 end |
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256 if not item then |
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257 item = {subscription = "none", groups = {}}; |
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258 roster[jid] = item; |
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259 end |
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260 item.ask = "subscribe"; |
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261 log("debug", "set_contact_pending_out: saving roster; set %s@%s.roster[%q].ask=subscribe", username, host, jid); |
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262 return save_roster(username, host, roster); |
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263 end |
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264 local function unsubscribe(username, host, jid) |
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265 local roster = load_roster(username, host); |
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266 local item = roster[jid]; |
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267 if not item then return false; end |
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268 if (item.subscription == "from" or item.subscription == "none") and not item.ask then |
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269 return true; |
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270 end |
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271 item.ask = nil; |
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272 if item.subscription == "both" then |
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273 item.subscription = "from"; |
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274 elseif item.subscription == "to" then |
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275 item.subscription = "none"; |
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276 end |
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277 return save_roster(username, host, roster); |
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278 end |
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279 local function subscribed(username, host, jid) |
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280 if is_contact_pending_in(username, host, jid) then |
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281 local roster = load_roster(username, host); |
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282 local item = roster[jid]; |
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283 if not item then -- FIXME should roster item be auto-created? |
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284 item = {subscription = "none", groups = {}}; |
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285 roster[jid] = item; |
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286 end |
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287 if item.subscription == "none" then |
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288 item.subscription = "from"; |
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289 else -- subscription == to |
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290 item.subscription = "both"; |
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291 end |
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292 roster[false].pending[jid] = nil; |
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293 return save_roster(username, host, roster); |
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294 end -- TODO else implement optional feature pre-approval (ask = subscribed) |
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295 end |
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296 local function unsubscribed(username, host, jid) |
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297 local roster = load_roster(username, host); |
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298 local item = roster[jid]; |
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299 local pending = is_contact_pending_in(username, host, jid); |
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300 if pending then |
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301 roster[false].pending[jid] = nil; |
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302 end |
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303 local is_subscribed; |
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304 if item then |
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305 if item.subscription == "from" then |
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306 item.subscription = "none"; |
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307 is_subscribed = true; |
267 | 308 elseif item.subscription == "both" then |
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309 item.subscription = "to"; |
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310 is_subscribed = true; |
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311 end |
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312 end |
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313 local success = (pending or is_subscribed) and save_roster(username, host, roster); |
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314 return success, pending, subscribed; |
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315 end |
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316 |
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317 local function process_outbound_subscription_request(username, host, jid) |
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318 local roster = load_roster(username, host); |
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319 local item = roster[jid]; |
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320 if item and (item.subscription == "none" or item.subscription == "from") then |
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321 item.ask = "subscribe"; |
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322 return save_roster(username, host, roster); |
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323 end |
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324 end |
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325 |
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326 --[[function process_outbound_subscription_approval(username, host, jid) |
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327 local roster = load_roster(username, host); |
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328 local item = roster[jid]; |
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329 if item and (item.subscription == "none" or item.subscription == "from" then |
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330 item.ask = "subscribe"; |
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331 return save_roster(username, host, roster); |
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332 end |
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333 end]] |
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334 |
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335 |
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336 |
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337 return { |
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338 add_to_roster = add_to_roster; |
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339 remove_from_roster = remove_from_roster; |
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340 roster_push = roster_push; |
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341 load_roster = load_roster; |
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342 save_roster = save_roster; |
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343 process_inbound_subscription_approval = process_inbound_subscription_approval; |
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344 process_inbound_subscription_cancellation = process_inbound_subscription_cancellation; |
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345 process_inbound_unsubscribe = process_inbound_unsubscribe; |
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346 is_contact_subscribed = is_contact_subscribed; |
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347 is_contact_pending_in = is_contact_pending_in; |
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348 set_contact_pending_in = set_contact_pending_in; |
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349 is_contact_pending_out = is_contact_pending_out; |
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350 set_contact_pending_out = set_contact_pending_out; |
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351 unsubscribe = unsubscribe; |
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352 subscribed = subscribed; |
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353 unsubscribed = unsubscribed; |
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354 process_outbound_subscription_request = process_outbound_subscription_request; |
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355 }; |