prosody
f1af4edd5722
core/rostermanager.lua

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core/rostermanager.lua @ 6657:f1af4edd5722

mod_pubsub: Add option for default affiliation of non-existent nodes (thanks Flow)
author Kim Alvefur <zash@zash.se>
date Tue, 05 May 2015 12:21:32 +0200
parent 6624:7f9b49f2758a
child 6662:5ef319efedba
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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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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10
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11
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12 local log = require "util.logger".init("rostermanager");
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13
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14 local pairs = pairs;
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15 local tostring = tostring;
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16 local type = type;
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17
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18 local hosts = hosts;
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19 local bare_sessions = prosody.bare_sessions;
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20
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21 local 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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24
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25 module "rostermanager"
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26
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27 function add_to_roster(session, jid, item)
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28 if session.roster then
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29 local old_item = session.roster[jid];
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30 session.roster[jid] = item;
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31 if save_roster(session.username, session.host) then
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32 return true;
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33 else
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34 session.roster[jid] = old_item;
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35 return nil, "wait", "internal-server-error", "Unable to save roster";
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36 end
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37 else
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38 return nil, "auth", "not-authorized", "Session's roster not loaded";
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39 end
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40 end
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41
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42 function remove_from_roster(session, jid)
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43 if session.roster then
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44 local old_item = session.roster[jid];
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45 session.roster[jid] = nil;
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46 if save_roster(session.username, session.host) then
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47 return true;
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48 else
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49 session.roster[jid] = old_item;
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50 return nil, "wait", "internal-server-error", "Unable to save roster";
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51 end
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52 else
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53 return nil, "auth", "not-authorized", "Session's roster not loaded";
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54 end
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55 end
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56
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57 function roster_push(username, host, jid)
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58 local roster = jid and hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
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59 if roster then
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60 local item = hosts[host].sessions[username].roster[jid];
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61 local stanza = st.iq({type="set"});
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62 stanza:tag("query", {xmlns = "jabber:iq:roster", ver = tostring(roster[false].version or "1") });
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63 if item then
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64 stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name, ask = item.ask});
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65 for group in pairs(item.groups) do
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66 stanza:tag("group"):text(group):up();
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67 end
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68 else
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69 stanza:tag("item", {jid = jid, subscription = "remove"});
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70 end
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71 stanza:up(); -- move out from item
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72 stanza:up(); -- move out from stanza
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73 -- stanza ready
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74 for _, session in pairs(hosts[host].sessions[username].sessions) do
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75 if session.interested then
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76 -- FIXME do we need to set stanza.attr.to?
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77 session.send(stanza);
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78 end
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79 end
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80 end
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81 end
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82
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83 local function roster_metadata(roster, err)
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84 local metadata = roster[false];
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85 if not metadata then
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86 metadata = { broken = err or nil };
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87 roster[false] = metadata;
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88 end
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89 if roster.pending and type(roster.pending.subscription) ~= "string" then
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90 metadata.pending = roster.pending;
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91 roster.pending = nil;
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92 elseif not metadata.pending then
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93 metadata.pending = {};
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94 end
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95 return metadata;
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96 end
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97
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98 function load_roster(username, host)
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99 local jid = username.."@"..host;
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100 log("debug", "load_roster: asked for: %s", jid);
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101 local user = bare_sessions[jid];
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102 local roster;
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103 if user then
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104 roster = user.roster;
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105 if roster then return roster; end
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106 log("debug", "load_roster: loading for new user: %s@%s", username, host);
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107 else -- Attempt to load roster for non-loaded user
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108 log("debug", "load_roster: loading for offline user: %s@%s", username, host);
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109 end
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110 local data, err = datamanager.load(username, host, "roster");
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111 roster = data or {};
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112 if user then user.roster = roster; end
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113 roster_metadata(roster, err);
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114 if roster[jid] then
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115 roster[jid] = nil;
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116 log("warn", "roster for %s has a self-contact", jid);
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117 end
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118 if not err then
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119 hosts[host].events.fire_event("roster-load", { username = username, host = host, roster = roster });
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120 end
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121 return roster, err;
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122 end
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123
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124 function save_roster(username, host, roster)
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125 if not um_user_exists(username, host) then
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126 log("debug", "not saving roster for %s@%s: the user doesn't exist", username, host);
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127 return nil;
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128 end
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129
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130 log("debug", "save_roster: saving roster for %s@%s", username, host);
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131 if not roster then
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132 roster = hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
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133 --if not roster then
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134 -- --roster = load_roster(username, host);
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135 -- return true; -- roster unchanged, no reason to save
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136 --end
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137 end
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138 if roster then
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139 local metadata = roster_metadata(roster);
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140 if metadata.version ~= true then
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141 metadata.version = (metadata.version or 0) + 1;
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142 end
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143 if metadata.broken then return nil, "Not saving broken roster" end
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144 return datamanager.store(username, host, "roster", roster);
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145 end
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146 log("warn", "save_roster: user had no roster to save");
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147 return nil;
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matthew
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148 end
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149
171
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150 function process_inbound_subscription_approval(username, host, jid)
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151 local roster = load_roster(username, host);
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152 local item = roster[jid];
176
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153 if item and item.ask then
171
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154 if item.subscription == "none" then
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155 item.subscription = "to";
176
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156 else -- subscription == from
171
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157 item.subscription = "both";
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158 end
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159 item.ask = nil;
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160 return save_roster(username, host, roster);
171
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161 end
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162 end
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163
172
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164 function process_inbound_subscription_cancellation(username, host, jid)
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165 local roster = load_roster(username, host);
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166 local item = roster[jid];
176
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167 local changed = nil;
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168 if is_contact_pending_out(username, host, jid) then
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169 item.ask = nil;
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170 changed = true;
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171 end
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172 if item then
172
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173 if item.subscription == "to" then
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174 item.subscription = "none";
176
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175 changed = true;
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176 elseif item.subscription == "both" then
172
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177 item.subscription = "from";
176
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178 changed = true;
172
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179 end
176
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180 end
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181 if changed then
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182 return save_roster(username, host, roster);
172
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183 end
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184 end
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185
173
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186 function process_inbound_unsubscribe(username, host, jid)
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187 local roster = load_roster(username, host);
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188 local item = roster[jid];
176
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189 local changed = nil;
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190 if is_contact_pending_in(username, host, jid) then
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191 roster[false].pending[jid] = nil;
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192 changed = true;
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193 end
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194 if item then
173
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195 if item.subscription == "from" then
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196 item.subscription = "none";
176
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197 changed = true;
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198 elseif item.subscription == "both" then
173
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199 item.subscription = "to";
176
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200 changed = true;
173
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201 end
176
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202 end
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203 if changed then
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204 return save_roster(username, host, roster);
173
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205 end
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206 end
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diff changeset
207
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208 local function _get_online_roster_subscription(jidA, jidB)
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209 local user = bare_sessions[jidA];
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210 local item = user and (user.roster[jidB] or { subscription = "none" });
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211 return item and item.subscription;
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212 end
174
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213 function is_contact_subscribed(username, host, jid)
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diff changeset
214 do
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215 local selfjid = username.."@"..host;
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diff changeset
216 local subscription = _get_online_roster_subscription(selfjid, jid);
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217 if subscription then return (subscription == "both" or subscription == "from"); end
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218 local subscription = _get_online_roster_subscription(jid, selfjid);
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219 if subscription then return (subscription == "both" or subscription == "to"); end
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parents: 3111
diff changeset
220 end
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diff changeset
221 local roster, err = load_roster(username, host);
174
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diff changeset
222 local item = roster[jid];
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223 return item and (item.subscription == "from" or item.subscription == "both"), err;
174
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224 end
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diff changeset
225
176
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226 function is_contact_pending_in(username, host, jid)
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227 local roster = load_roster(username, host);
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228 return roster[false].pending[jid];
176
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229 end
6616
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diff changeset
230 function set_contact_pending_in(username, host, jid)
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231 local roster = load_roster(username, host);
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232 local item = roster[jid];
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233 if item and (item.subscription == "from" or item.subscription == "both") then
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diff changeset
234 return; -- false
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235 end
6613
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diff changeset
236 roster[false].pending[jid] = true;
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1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
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diff changeset
237 return save_roster(username, host, roster);
176
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diff changeset
238 end
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diff changeset
239 function is_contact_pending_out(username, host, jid)
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240 local roster = load_roster(username, host);
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241 local item = roster[jid];
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242 return item and item.ask;
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243 end
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244 function set_contact_pending_out(username, host, jid) -- subscribe
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245 local roster = load_roster(username, host);
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246 local item = roster[jid];
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247 if item and (item.ask or item.subscription == "to" or item.subscription == "both") then
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248 return true;
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249 end
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diff changeset
250 if not item then
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
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diff changeset
251 item = {subscription = "none", groups = {}};
176
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252 roster[jid] = item;
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253 end
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diff changeset
254 item.ask = "subscribe";
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diff changeset
255 log("debug", "set_contact_pending_out: saving roster; set %s@%s.roster[%q].ask=subscribe", username, host, jid);
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diff changeset
256 return save_roster(username, host, roster);
176
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257 end
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diff changeset
258 function unsubscribe(username, host, jid)
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259 local roster = load_roster(username, host);
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260 local item = roster[jid];
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261 if not item then return false; end
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262 if (item.subscription == "from" or item.subscription == "none") and not item.ask then
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263 return true;
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264 end
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diff changeset
265 item.ask = nil;
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266 if item.subscription == "both" then
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267 item.subscription = "from";
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268 elseif item.subscription == "to" then
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diff changeset
269 item.subscription = "none";
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
270 end
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
parents: 1897
diff changeset
271 return save_roster(username, host, roster);
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
272 end
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
273 function subscribed(username, host, jid)
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
274 if is_contact_pending_in(username, host, jid) then
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
275 local roster = load_roster(username, host);
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parents: 174
diff changeset
276 local item = roster[jid];
925
4861bcf0afa4 Fixed: rostermanager: Create new roster item if one doesn't exist on subscription approval (fixes issue #77)
Waqas Hussain <waqas20@gmail.com>
parents: 916
diff changeset
277 if not item then -- FIXME should roster item be auto-created?
4861bcf0afa4 Fixed: rostermanager: Create new roster item if one doesn't exist on subscription approval (fixes issue #77)
Waqas Hussain <waqas20@gmail.com>
parents: 916
diff changeset
278 item = {subscription = "none", groups = {}};
4861bcf0afa4 Fixed: rostermanager: Create new roster item if one doesn't exist on subscription approval (fixes issue #77)
Waqas Hussain <waqas20@gmail.com>
parents: 916
diff changeset
279 roster[jid] = item;
4861bcf0afa4 Fixed: rostermanager: Create new roster item if one doesn't exist on subscription approval (fixes issue #77)
Waqas Hussain <waqas20@gmail.com>
parents: 916
diff changeset
280 end
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
281 if item.subscription == "none" then
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
282 item.subscription = "from";
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
283 else -- subscription == to
177
606c433955e7 Bug fixes and checks for presence subscriptions, etc
Waqas Hussain <waqas20@gmail.com>
parents: 176
diff changeset
284 item.subscription = "both";
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
285 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
286 roster[false].pending[jid] = nil;
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
parents: 1897
diff changeset
287 return save_roster(username, host, roster);
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
288 end -- TODO else implement optional feature pre-approval (ask = subscribed)
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
289 end
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
290 function unsubscribed(username, host, jid)
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
291 local roster = load_roster(username, host);
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
292 local item = roster[jid];
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
293 local pending = is_contact_pending_in(username, host, jid);
5060
b0e36777f715 mod_presence, rostermanager: Bring outbound subscription cancellation in line with RFC6121.
Waqas Hussain <waqas20@gmail.com>
parents: 5024
diff changeset
294 if pending 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
295 roster[false].pending[jid] = nil;
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
296 end
5060
b0e36777f715 mod_presence, rostermanager: Bring outbound subscription cancellation in line with RFC6121.
Waqas Hussain <waqas20@gmail.com>
parents: 5024
diff changeset
297 local subscribed;
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
298 if item then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
299 if item.subscription == "from" then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
300 item.subscription = "none";
5060
b0e36777f715 mod_presence, rostermanager: Bring outbound subscription cancellation in line with RFC6121.
Waqas Hussain <waqas20@gmail.com>
parents: 5024
diff changeset
301 subscribed = true;
267
6303b7454ad0 Some bugs fixed
Waqas Hussain <waqas20@gmail.com>
parents: 193
diff changeset
302 elseif item.subscription == "both" then
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
303 item.subscription = "to";
5060
b0e36777f715 mod_presence, rostermanager: Bring outbound subscription cancellation in line with RFC6121.
Waqas Hussain <waqas20@gmail.com>
parents: 5024
diff changeset
304 subscribed = true;
176
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
305 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
306 end
5060
b0e36777f715 mod_presence, rostermanager: Bring outbound subscription cancellation in line with RFC6121.
Waqas Hussain <waqas20@gmail.com>
parents: 5024
diff changeset
307 local success = (pending or subscribed) and save_roster(username, host, roster);
b0e36777f715 mod_presence, rostermanager: Bring outbound subscription cancellation in line with RFC6121.
Waqas Hussain <waqas20@gmail.com>
parents: 5024
diff changeset
308 return success, pending, subscribed;
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
309 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
310
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
311 function process_outbound_subscription_request(username, host, jid)
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
312 local roster = load_roster(username, host);
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
313 local item = roster[jid];
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Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
314 if item and (item.subscription == "none" or item.subscription == "from") then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
315 item.ask = "subscribe";
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
parents: 1897
diff changeset
316 return save_roster(username, host, roster);
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
317 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
318 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
319
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
320 --[[function process_outbound_subscription_approval(username, host, jid)
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
321 local roster = load_roster(username, host);
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
322 local item = roster[jid];
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
323 if item and (item.subscription == "none" or item.subscription == "from" then
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
324 item.ask = "subscribe";
1898
1ce02e2f5a3f rostermanager: Fixed: Roster version was not being properly updated in some edge cases.
Waqas Hussain <waqas20@gmail.com>
parents: 1897
diff changeset
325 return save_roster(username, host, roster);
176
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
326 end
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
327 end]]
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
328
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
329
e5cd2a03891d Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents: 174
diff changeset
330
916
f0743928ef7e core.rostermanager/mod_roster: Support for roster versioning
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
331 return _M;