Mercurial > prosody-modules
annotate mod_delegation/mod_delegation.lua @ 5668:ecfd7aece33b
mod_measure_modules: Report module statuses via OpenMetrics
Someone in the chat asked about a health check endpoint, which reminded
me of mod_http_status, which provides access to module statuses with
full details. After that, this idea came about, which seems natural.
As noted in the README, it could be used to monitor that critical
modules are in fact loaded correctly.
As more modules use the status API, the more useful this module and
mod_http_status becomes.
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 06 Oct 2023 18:34:39 +0200 |
parents | 7d6ae8bb95dc |
children |
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1 -- XEP-0355 (Namespace Delegation) |
2067 | 2 -- Copyright (C) 2015-2016 Jérôme Poisson |
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3 -- |
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4 -- This module is MIT/X11 licensed. Please see the |
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5 -- COPYING file in the source package for more information. |
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6 |
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7 -- This module manage namespace delegation, a way to delegate server features |
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8 -- to an external entity/component. Only the admin mode is implemented so far |
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9 |
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10 -- TODO: client mode |
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11 |
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12 local jid = require("util.jid") |
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13 local st = require("util.stanza") |
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14 local set = require("util.set") |
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16 local new_id = require("util.id").short; |
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17 |
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18 local delegation_session = module:shared("/*/delegation/session") |
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19 |
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20 -- FIXME: temporarily needed for disco_items_hook, to be removed when clean implementation is done |
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21 local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed; |
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22 local jid_split = require "util.jid".split; |
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23 local jid_bare = require "util.jid".bare; |
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24 |
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25 if delegation_session.connected_cb == nil then |
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26 -- set used to have connected event listeners |
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27 -- which allow a host to react on events from |
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28 -- other hosts |
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29 delegation_session.connected_cb = set.new() |
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30 end |
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31 local connected_cb = delegation_session.connected_cb |
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32 |
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33 local _DELEGATION_NS = 'urn:xmpp:delegation:2' |
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34 local _FORWARDED_NS = 'urn:xmpp:forward:0' |
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35 local _DISCO_INFO_NS = 'http://jabber.org/protocol/disco#info' |
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36 local _DISCO_ITEMS_NS = 'http://jabber.org/protocol/disco#items' |
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37 local _DATA_NS = 'jabber:x:data' |
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38 |
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39 local _MAIN_SEP = '::' |
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40 local _BARE_SEP = ':bare:' |
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41 local _REMAINING = ':*' |
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42 local _MAIN_PREFIX = _DELEGATION_NS.._MAIN_SEP |
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43 local _BARE_PREFIX = _DELEGATION_NS.._BARE_SEP |
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44 local _DISCO_REMAINING = _BARE_PREFIX.."disco#info".._REMAINING |
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45 local _DISCO_ITEMS_REMAINING = _BARE_PREFIX.."disco#items".._REMAINING |
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46 local _PREFIXES = {_MAIN_PREFIX, _BARE_PREFIX} |
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47 |
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48 local disco_nest |
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49 |
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50 module:log("debug", "Loading namespace delegation module ") |
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51 |
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52 --> Configuration management <-- |
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53 |
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54 local ns_delegations = module:get_option("delegations", {}) |
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55 |
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56 local jid2ns = {} |
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57 for namespace, ns_data in pairs(ns_delegations) do |
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58 -- "connected" contain the full jid of connected managing entity |
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59 ns_data.connected = nil |
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60 if ns_data.jid then |
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61 if jid2ns[ns_data.jid] == nil then |
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62 jid2ns[ns_data.jid] = {} |
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63 end |
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64 jid2ns[ns_data.jid][namespace] = ns_data |
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65 module:log("debug", "Namespace %s is delegated%s to %s", namespace, ns_data.filtering and " (with filtering)" or "", ns_data.jid) |
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66 else |
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67 module:log("warn", "Ignoring delegation for %s: no jid specified", tostring(namespace)) |
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68 ns_delegations[namespace] = nil |
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69 end |
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70 end |
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71 |
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72 |
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73 local function advertise_delegations(session, to_jid) |
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74 -- send <message/> stanza to advertise delegations |
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75 -- as expained in § 4.2 |
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76 local message = st.message({from=module.host, to=to_jid}) |
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77 :tag("delegation", {xmlns=_DELEGATION_NS}) |
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78 |
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79 -- we need to check if a delegation is granted because the configuration |
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80 -- can be complicated if some delegations are granted to bare jid |
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81 -- and other to full jids, and several resources are connected. |
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82 local have_delegation = false |
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83 |
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84 for namespace, ns_data in pairs(jid2ns[to_jid]) do |
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85 if ns_data.connected == to_jid then |
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86 have_delegation = true |
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87 message:tag("delegated", {namespace=namespace}) |
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88 if type(ns_data.filtering) == "table" then |
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89 for _, attribute in pairs(ns_data.filtering) do |
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90 message:tag("attribute", {name=attribute}):up() |
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91 end |
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92 end |
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93 message:up() |
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94 end |
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95 end |
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96 |
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97 if have_delegation then |
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98 session.send(message) |
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99 end |
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100 end |
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101 |
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102 local function set_connected(entity_jid) |
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103 -- set the "connected" key for all namespace managed by entity_jid |
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104 -- if the namespace has already a connected entity, ignore the new one |
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105 local function set_config(jid_) |
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106 for namespace, ns_data in pairs(jid2ns[jid_]) do |
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107 if ns_data.connected == nil then |
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108 ns_data.connected = entity_jid |
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109 -- disco remaining and disco items remaining are special namespaces |
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110 -- there is no disco nesting for them |
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111 if namespace ~= _DISCO_ITEMS_REMAINING and namespace ~= _DISCO_REMAINING then |
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112 disco_nest(namespace, entity_jid) |
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113 end |
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114 end |
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115 end |
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116 end |
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117 local bare_jid = jid.bare(entity_jid) |
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118 set_config(bare_jid) |
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119 -- We can have a bare jid of a full jid specified in configuration |
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120 -- so we try our luck with both (first connected resource will |
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121 -- manage the namespaces in case of bare jid) |
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122 if bare_jid ~= entity_jid then |
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123 set_config(entity_jid) |
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124 jid2ns[entity_jid] = jid2ns[bare_jid] |
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125 end |
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126 end |
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127 |
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128 local function on_presence(event) |
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129 local session = event.origin |
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130 local bare_jid = jid.bare(session.full_jid) |
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131 |
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132 if jid2ns[bare_jid] or jid2ns[session.full_jid] then |
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133 set_connected(session.full_jid) |
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134 advertise_delegations(session, session.full_jid) |
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135 end |
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136 end |
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137 |
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138 local function on_component_connected(event) |
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139 -- method called by the module loaded by the component |
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140 -- /!\ the event come from the component host, |
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141 -- not from the host of this module |
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142 local session = event.session |
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143 local bare_jid = jid.join(session.username, session.host) |
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144 |
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145 local jid_delegations = jid2ns[bare_jid] |
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146 if jid_delegations ~= nil then |
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147 set_connected(bare_jid) |
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148 advertise_delegations(session, bare_jid) |
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149 end |
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150 end |
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151 |
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152 local function on_component_auth(event) |
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153 -- react to component-authenticated event from this host |
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154 -- and call the on_connected methods from all other hosts |
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155 -- needed for the component to get delegations advertising |
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156 for callback in connected_cb:items() do |
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157 callback(event) |
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158 end |
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159 end |
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160 |
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161 if module:get_host_type() ~= "component" then |
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162 connected_cb:add(on_component_connected) |
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163 end |
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164 module:hook('component-authenticated', on_component_auth) |
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165 module:hook('presence/initial', on_presence) |
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166 |
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167 |
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168 --> delegated namespaces hook <-- |
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169 |
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170 local managing_ent_error |
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171 local stanza_cache = {} -- we cache original stanza to build reply |
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172 |
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173 local function clean_xmlns(node) |
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174 -- Recursively remove "jabber:client" attribute from node. |
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175 -- In Prosody internal routing, xmlns should not be set. |
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176 -- Keeping xmlns would lead to issues like mod_smacks ignoring the outgoing stanza, |
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177 -- so we remove all xmlns attributes with a value of "jabber:client" |
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178 -- note: this function comes from mod_privilege |
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179 if node.attr.xmlns == 'jabber:client' then |
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180 for childnode in node:childtags() do |
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181 clean_xmlns(childnode) |
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182 end |
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183 node.attr.xmlns = nil |
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184 end |
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185 end |
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186 |
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187 local function managing_ent_result(event) |
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188 -- this function manage iq results from the managing entity |
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189 -- it do a couple of security check before sending the |
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190 -- result to the managed entity |
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191 local stanza = event.stanza |
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192 if stanza.attr.to ~= module.host then |
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193 module:log("warn", 'forwarded stanza result has "to" attribute not addressed to current host, id conflict ?') |
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194 return |
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195 end |
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196 module:unhook("iq-result/host/"..stanza.attr.id, managing_ent_result) |
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197 module:unhook("iq-error/host/"..stanza.attr.id, managing_ent_error) |
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198 |
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199 -- lot of checks to do... |
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200 local delegation = stanza.tags[1] |
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201 if #stanza ~= 1 or delegation.name ~= "delegation" or |
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202 delegation.attr.xmlns ~= _DELEGATION_NS then |
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203 module:log("warn", "ignoring invalid iq result from managing entity %s", stanza.attr.from) |
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204 stanza_cache[stanza.attr.from][stanza.attr.id] = nil |
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205 return true |
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206 end |
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207 |
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208 local forwarded = delegation.tags[1] |
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209 if #delegation ~= 1 or forwarded.name ~= "forwarded" or |
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210 forwarded.attr.xmlns ~= _FORWARDED_NS then |
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211 module:log("warn", "ignoring invalid iq result from managing entity %s", stanza.attr.from) |
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212 stanza_cache[stanza.attr.from][stanza.attr.id] = nil |
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213 return true |
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214 end |
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215 |
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216 local iq = forwarded.tags[1] |
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217 if #forwarded ~= 1 or iq.name ~= "iq" or |
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218 iq.attr.xmlns ~= 'jabber:client' or |
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219 (iq.attr.type =='result' and #iq > 1) or |
1723
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220 (iq.attr.type == 'error' and #iq > 2) then |
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221 module:log("warn", "ignoring invalid iq result from managing entity %s", stanza.attr.from) |
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222 stanza_cache[stanza.attr.from][stanza.attr.id] = nil |
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223 return true |
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224 end |
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225 |
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226 clean_xmlns(iq) |
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227 |
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228 local original = stanza_cache[stanza.attr.from][stanza.attr.id] |
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229 stanza_cache[stanza.attr.from][stanza.attr.id] = nil |
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230 -- we get namespace from original and not iq |
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231 -- because the namespace can be lacking in case of error |
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232 local namespace = original.tags[1].attr.xmlns |
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233 |
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234 -- small hack for disco remaining feat |
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235 if namespace == _DISCO_ITEMS_NS then |
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236 namespace = _DISCO_ITEMS_REMAINING |
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237 elseif namespace == _DISCO_INFO_NS then |
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238 namespace = _DISCO_REMAINING |
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239 end |
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240 |
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241 local ns_data = ns_delegations[namespace] |
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242 |
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243 if stanza.attr.from ~= ns_data.connected or (iq.attr.type ~= "result" and iq.attr.type ~= "error") or |
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244 iq.attr.id ~= original.attr.id or iq.attr.to ~= original.attr.from then |
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245 module:log("warn", "ignoring forbidden iq result from managing entity %s, please check that the component is no trying to do something bad (stanza: %s)", stanza.attr.from, tostring(stanza)) |
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246 module:send(st.error_reply(original, 'cancel', 'service-unavailable')) |
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247 return true |
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248 end |
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249 |
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250 -- at this point eveything is checked, |
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251 -- and we (hopefully) can send the the result safely |
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252 module:send(iq) |
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253 return true |
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254 end |
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255 |
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256 function managing_ent_error(event) |
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257 local stanza = event.stanza |
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258 if stanza.attr.to ~= module.host then |
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259 module:log("warn", 'Stanza result has "to" attribute not addressed to current host, id conflict ?') |
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260 return |
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261 end |
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262 module:unhook("iq-result/host/"..stanza.attr.id, managing_ent_result) |
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263 module:unhook("iq-error/host/"..stanza.attr.id, managing_ent_error) |
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264 local original = stanza_cache[stanza.attr.from][stanza.attr.id] |
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265 stanza_cache[stanza.attr.from][stanza.attr.id] = nil |
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266 module:log("warn", "Got an error after forwarding stanza to "..stanza.attr.from) |
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267 module:send(st.error_reply(original, 'cancel', 'service-unavailable')) |
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268 return true |
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269 end |
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270 |
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271 local function forward_iq(stanza, ns_data) |
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272 local to_jid = ns_data.connected |
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|
273 stanza.attr.xmlns = 'jabber:client' |
3317
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|
274 local iq_id = new_id(); |
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275 local iq_stanza = st.iq({ from=module.host, to=to_jid, type="set", id = iq_id }) |
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276 :tag("delegation", { xmlns=_DELEGATION_NS }) |
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277 :tag("forwarded", { xmlns=_FORWARDED_NS }) |
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278 :add_child(stanza) |
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279 -- we save the original stanza to check the managing entity result |
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280 if not stanza_cache[to_jid] then stanza_cache[to_jid] = {} end |
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281 stanza_cache[to_jid][iq_id] = stanza |
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282 module:hook("iq-result/host/"..iq_id, managing_ent_result) |
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283 module:hook("iq-error/host/"..iq_id, managing_ent_error) |
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284 module:log("debug", "stanza forwarded") |
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285 module:send(iq_stanza) |
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286 end |
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|
287 |
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288 local function iq_hook(event) |
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289 -- general hook for all the iq which forward delegated ones |
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290 -- and continue normal behaviour else. If a namespace is |
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291 -- delegated but managing entity is offline, a service-unavailable |
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292 -- error will be sent, as requested by the XEP |
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293 local session, stanza = event.origin, event.stanza |
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294 if #stanza == 1 and stanza.attr.type == 'get' or stanza.attr.type == 'set' then |
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295 local namespace = stanza.tags[1].attr.xmlns |
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296 local ns_data = ns_delegations[namespace] |
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|
297 |
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|
298 if ns_data then |
1715
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|
299 if stanza.attr.from == ns_data.connected then |
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|
300 -- we don't forward stanzas from managing entity itself |
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|
301 return |
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|
302 end |
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|
303 if ns_data.filtering then |
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|
304 local first_child = stanza.tags[1] |
1988
d7c1daaf2dea
mod_delegation: fixed attribute filtering
Goffi <goffi@goffi.org>
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1776
diff
changeset
|
305 for _, attribute in pairs(ns_data.filtering) do |
1710
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|
306 -- if any filtered attribute if not present, |
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|
307 -- we must continue the normal bahaviour |
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|
308 if not first_child.attr[attribute] then |
1711
55b9ac807ac9
mod_delegation: delegated features/identities are removed from disco.
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diff
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|
309 -- Filtered attribute is not present, we do normal workflow |
2752
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|
310 return |
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|
311 end |
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|
312 end |
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|
313 end |
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|
314 if not ns_data.connected then |
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|
315 module:log("warn", "No connected entity to manage "..namespace) |
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|
316 session.send(st.error_reply(stanza, 'cancel', 'service-unavailable')) |
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|
317 else |
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|
318 forward_iq(stanza, ns_data) |
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diff
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|
319 end |
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diff
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|
320 return true |
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1709
diff
changeset
|
321 else |
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diff
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|
322 -- we have no delegation, we continue normal behaviour |
b68eed25b880
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1709
diff
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|
323 return |
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324 end |
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325 end |
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326 end |
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327 |
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328 module:hook("iq/self", iq_hook, 2^32) |
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329 module:hook("iq/bare", iq_hook, 2^32) |
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330 module:hook("iq/host", iq_hook, 2^32) |
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331 |
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332 |
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333 --> discovery nesting <-- |
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334 |
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335 -- disabling internal features/identities |
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336 |
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337 local function find_form_type(stanza) |
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338 local form_type = nil |
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339 for field in stanza:childtags('field', 'jabber:x:data') do |
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340 if field.attr.var=='FORM_TYPE' and field.attr.type=='hidden' then |
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341 local value = field:get_child('value') |
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342 if not value then |
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343 module:log("warn", "No value found in FORM_TYPE field: "..tostring(stanza)) |
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344 else |
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345 form_type=value.get_text() |
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346 end |
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347 end |
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348 end |
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349 return form_type |
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350 end |
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351 |
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352 -- modules whose features/identities are managed by delegation |
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353 local disabled_modules = set.new() |
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354 local disabled_identities = set.new() |
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355 |
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356 local function identity_added(event) |
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357 local source = event.source |
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358 if disabled_modules:contains(source) then |
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359 local item = event.item |
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360 local category, type_, name = item.category, item.type, item.name |
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361 module:log("debug", "Removing (%s/%s%s) identity because of delegation", category, type_, name and "/"..name or "") |
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362 disabled_identities:add(item) |
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363 source:remove_item("identity", item) |
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364 end |
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365 end |
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366 |
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367 local function feature_added(event) |
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368 local source, item = event.source, event.item |
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369 for namespace, _ in pairs(ns_delegations) do |
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370 if source ~= nil and source ~= module and string.sub(item, 1, #namespace) == namespace then |
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371 module:log("debug", "Removing %s feature which is delegated", item) |
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372 source:remove_item("feature", item) |
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373 disabled_modules:add(source) |
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374 if source.items and source.items.identity then |
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375 -- we remove all identities added by the source module |
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376 -- that can cause issues if the module manages several features/identities |
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377 -- but this case is probably rare (or doesn't happen at all) |
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378 -- FIXME: any better way ? |
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379 for _, identity in pairs(source.items.identity) do |
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380 identity_added({source=source, item=identity}) |
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381 end |
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382 end |
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383 end |
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384 end |
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385 end |
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|
386 |
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387 local function extension_added(event) |
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388 local source, stanza = event.source, event.item |
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389 local form_type = find_form_type(stanza) |
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390 if not form_type then return end |
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|
391 |
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392 for namespace, _ in pairs(ns_delegations) do |
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393 if source ~= nil and source ~= module and string.sub(form_type, 1, #namespace) == namespace then |
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394 module:log("debug", "Removing extension which is delegated: %s", tostring(stanza)) |
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395 source:remove_item("extension", stanza) |
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396 end |
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397 end |
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398 end |
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|
399 |
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400 -- for disco nesting (see § 7.2) we need to remove internal features |
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|
401 -- we use handle_items as it allows to remove already added features |
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|
402 -- and catch the ones which can come later |
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|
403 module:handle_items("feature", feature_added, function(_) end) |
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|
404 module:handle_items("identity", identity_added, function(_) end, false) |
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|
405 module:handle_items("extension", extension_added, function(_) end) |
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|
406 |
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|
407 |
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|
408 -- managing entity features/identities collection |
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|
409 |
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|
410 local disco_error |
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|
411 local bare_features = set.new() |
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|
412 local bare_identities = {} |
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413 local bare_extensions = {} |
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|
414 |
1714
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|
415 local function disco_result(event) |
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|
416 -- parse result from disco nesting request |
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|
417 -- and fill module features/identities and bare_features/bare_identities accordingly |
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|
418 local session, stanza = event.origin, event.stanza |
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|
419 if stanza.attr.to ~= module.host then |
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|
420 module:log("warn", 'Stanza result has "to" attribute not addressed to current host, id conflict ?') |
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|
421 return |
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|
422 end |
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|
423 module:unhook("iq-result/host/"..stanza.attr.id, disco_result) |
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|
424 module:unhook("iq-error/host/"..stanza.attr.id, disco_error) |
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|
425 local query = stanza:get_child("query", _DISCO_INFO_NS) |
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|
426 if not query or not query.attr.node then |
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|
427 session.send(st.error_reply(stanza, 'modify', 'not-acceptable')) |
c1973605d096
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|
428 return true |
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|
429 end |
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|
430 |
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|
431 local node = query.attr.node |
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432 local main |
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433 |
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434 if string.sub(node, 1, #_MAIN_PREFIX) == _MAIN_PREFIX then |
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435 main=true |
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436 elseif string.sub(node, 1, #_BARE_PREFIX) == _BARE_PREFIX then |
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437 main=false |
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438 else |
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439 module:log("warn", "Unexpected node: "..node) |
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440 session.send(st.error_reply(stanza, 'modify', 'not-acceptable')) |
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441 return true |
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442 end |
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443 |
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444 for feature in query:childtags("feature") do |
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445 local namespace = feature.attr.var |
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446 if main then |
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447 module:add_feature(namespace) |
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448 else |
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449 bare_features:add(namespace) |
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450 end |
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451 end |
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452 for identity in query:childtags("identity") do |
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453 local category, type_, name = identity.attr.category, identity.attr.type, identity.attr.name |
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454 if main then |
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455 module:add_identity(category, type_, name) |
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456 else |
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457 table.insert(bare_identities, {category=category, type=type_, name=name}) |
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458 end |
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459 end |
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460 for extension in query:childtags("x", _DATA_NS) do |
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461 if main then |
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462 module:add_extension(extension) |
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463 else |
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464 table.insert(bare_extensions, extension) |
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465 end |
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466 end |
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467 end |
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|
468 |
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469 function disco_error(event) |
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470 local stanza = event.stanza |
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471 if stanza.attr.to ~= module.host then |
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472 module:log("warn", 'Stanza result has "to" attribute not addressed to current host, id conflict ?') |
c1973605d096
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473 return |
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|
474 end |
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475 module:unhook("iq-result/host/"..stanza.attr.id, disco_result) |
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476 module:unhook("iq-error/host/"..stanza.attr.id, disco_error) |
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477 module:log("warn", "Got an error while requesting disco for nesting to "..stanza.attr.from) |
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478 module:log("warn", "Ignoring disco nesting") |
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479 end |
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|
480 |
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|
481 function disco_nest(namespace, entity_jid) |
1717
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482 -- manage discovery nesting (see § 7.2) |
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|
483 |
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|
484 -- first we reset the current values |
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485 if module.items then |
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486 module.items['feature'] = nil |
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487 module.items['identity'] = nil |
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488 module.items['extension'] = nil |
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489 bare_features = set.new() |
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|
490 bare_identities = {} |
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491 bare_extensions = {} |
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492 end |
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|
493 |
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|
494 for _, prefix in ipairs(_PREFIXES) do |
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495 local node = prefix..namespace |
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|
496 |
3317
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Matthew Wild <mwild1@gmail.com>
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3271
diff
changeset
|
497 local iq_id = new_id(); |
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3271
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|
498 local iq = st.iq({from=module.host, to=entity_jid, type='get', id = iq_id }) |
2752
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|
499 :tag('query', {xmlns=_DISCO_INFO_NS, node=node}) |
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|
500 |
1714
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changeset
|
501 module:hook("iq-result/host/"..iq_id, disco_result) |
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|
502 module:hook("iq-error/host/"..iq_id, disco_error) |
3d83f5337a73
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|
503 module:send(iq) |
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|
504 end |
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|
505 end |
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|
506 |
2752
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2069
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changeset
|
507 -- disco to bare jids special cases |
1713
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changeset
|
508 |
2752
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2069
diff
changeset
|
509 -- disco#info |
d0e75bf21d30
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2069
diff
changeset
|
510 |
d0e75bf21d30
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diff
changeset
|
511 local function disco_hook(event) |
1713
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diff
changeset
|
512 -- this event is called when a disco info request is done on a bare jid |
1716
29dfdfc767b4
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diff
changeset
|
513 -- we get the final reply and filter delegated features/identities/extensions |
2752
d0e75bf21d30
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2069
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changeset
|
514 local reply = event.reply |
1713
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|
515 reply.tags[1]:maptags(function(child) |
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516 if child.name == 'feature' then |
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|
517 local feature_ns = child.attr.var |
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changeset
|
518 for namespace, _ in pairs(ns_delegations) do |
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changeset
|
519 if string.sub(feature_ns, 1, #namespace) == namespace then |
01e9465f8f80
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diff
changeset
|
520 module:log("debug", "Removing feature namespace %s which is delegated", feature_ns) |
01e9465f8f80
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changeset
|
521 return nil |
01e9465f8f80
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diff
changeset
|
522 end |
01e9465f8f80
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|
523 end |
01e9465f8f80
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diff
changeset
|
524 elseif child.name == 'identity' then |
01e9465f8f80
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diff
changeset
|
525 for item in disabled_identities:items() do |
01e9465f8f80
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changeset
|
526 if item.category == child.attr.category |
01e9465f8f80
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changeset
|
527 and item.type == child.attr.type |
01e9465f8f80
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|
528 -- we don't check name, because mod_pep use a name for main disco, but not in account-disco-info hook |
01e9465f8f80
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diff
changeset
|
529 -- and item.name == child.attr.name |
01e9465f8f80
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diff
changeset
|
530 then |
01e9465f8f80
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diff
changeset
|
531 module:log("debug", "Removing (%s/%s%s) identity because of delegation", item.category, item.type, item.name and "/"..item.name or "") |
01e9465f8f80
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changeset
|
532 return nil |
01e9465f8f80
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changeset
|
533 end |
01e9465f8f80
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diff
changeset
|
534 end |
1716
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1715
diff
changeset
|
535 elseif child.name == 'x' and child.attr.xmlns == _DATA_NS then |
29dfdfc767b4
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changeset
|
536 local form_type = find_form_type(child) |
29dfdfc767b4
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1715
diff
changeset
|
537 if form_type then |
29dfdfc767b4
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1715
diff
changeset
|
538 for namespace, _ in pairs(ns_delegations) do |
29dfdfc767b4
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diff
changeset
|
539 if string.sub(form_type, 1, #namespace) == namespace then |
29dfdfc767b4
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Goffi <goffi@goffi.org>
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1715
diff
changeset
|
540 module:log("debug", "Removing extension which is delegated: %s", tostring(child)) |
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
541 return nil |
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
542 end |
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
543 end |
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
544 end |
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
545 |
1713
01e9465f8f80
mod_delegation: delegated features/identities removal for disco info requests on bare jid
Goffi <goffi@goffi.org>
parents:
1712
diff
changeset
|
546 end |
01e9465f8f80
mod_delegation: delegated features/identities removal for disco info requests on bare jid
Goffi <goffi@goffi.org>
parents:
1712
diff
changeset
|
547 return child |
01e9465f8f80
mod_delegation: delegated features/identities removal for disco info requests on bare jid
Goffi <goffi@goffi.org>
parents:
1712
diff
changeset
|
548 end) |
1714
3d83f5337a73
mod_delegation: disco info request on bare jid is now managed
Goffi <goffi@goffi.org>
parents:
1713
diff
changeset
|
549 for feature in bare_features:items() do |
1716
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
550 reply:tag('feature', {var=feature}):up() |
1714
3d83f5337a73
mod_delegation: disco info request on bare jid is now managed
Goffi <goffi@goffi.org>
parents:
1713
diff
changeset
|
551 end |
3d83f5337a73
mod_delegation: disco info request on bare jid is now managed
Goffi <goffi@goffi.org>
parents:
1713
diff
changeset
|
552 for _, item in ipairs(bare_identities) do |
1716
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
553 reply:tag('identity', {category=item.category, type=item.type, name=item.name}):up() |
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
554 end |
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
555 for _, stanza in ipairs(bare_extensions) do |
29dfdfc767b4
mod_delegation: service discovery extensions (xep-0128) management
Goffi <goffi@goffi.org>
parents:
1715
diff
changeset
|
556 reply:add_child(stanza) |
1714
3d83f5337a73
mod_delegation: disco info request on bare jid is now managed
Goffi <goffi@goffi.org>
parents:
1713
diff
changeset
|
557 end |
3d83f5337a73
mod_delegation: disco info request on bare jid is now managed
Goffi <goffi@goffi.org>
parents:
1713
diff
changeset
|
558 |
2752
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
559 end |
4616
377546ab50f9
mod_delegation: fix bare jid disco nesting
Goffi <goffi@goffi.org>
parents:
3387
diff
changeset
|
560 module:hook("account-disco-info", disco_hook, -2^32) |
2752
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
561 |
4709
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
562 local function disco_node_hook(event) |
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
563 -- we reach this hook if a disco node on account has not been found |
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
564 -- we then forward the request to managing entity |
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
565 if not event.exists then |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
566 -- this node is not handled by the server |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
567 local ns_data = ns_delegations[_DISCO_REMAINING] |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
568 if ns_data ~= nil then |
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
569 -- remaining delegation is requested, we forward |
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
570 forward_iq(event.stanza, ns_data) |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
571 -- and stop normal event handling |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
572 return true |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
573 end |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
574 end |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
575 end |
679f1834dbdb
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Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
576 module:hook("account-disco-info-node", disco_node_hook, -2^32) |
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
577 |
2752
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
578 -- disco#items |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
579 |
d0e75bf21d30
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Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
580 local function disco_items_node_hook(event) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
581 -- check if node is not handled by server |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
582 -- and forward the disco request to suitable entity |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
583 if not event.exists then |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
584 -- this node is not handled by the server |
4709
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
585 local ns_data = ns_delegations[_DISCO_ITEMS_REMAINING] |
2752
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
586 if ns_data ~= nil then |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
587 -- remaining delegation is requested, we forward |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
588 forward_iq(event.stanza, ns_data) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
589 -- and stop normal event handling |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
590 return true |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
591 end |
d0e75bf21d30
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Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
592 end |
d0e75bf21d30
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Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
593 end |
d0e75bf21d30
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Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
594 module:hook("account-disco-items-node", disco_items_node_hook, -2^32) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
595 |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
596 local function disco_items_hook(event) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
597 -- FIXME: we forward all bare-jid disco-items requests (without node) which will replace any Prosody reply |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
598 -- for now it's OK because Prosody is not returning anything on request on bare jid |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
599 -- but to be properly done, any Prosody reply should be kept and managing entities items should be added (merged) to it. |
4709
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
600 -- account-disco-items can't be cancelled (return value of hooks are not checked in mod_disco), so coroutine needs |
2752
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
601 -- to be used with util.async (to get the IQ result, merge items then return from the event) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
602 local origin, stanza = event.origin, event.stanza; |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
603 local node = stanza.tags[1].attr.node; |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
604 local username = jid_split(stanza.attr.to) or origin.username; |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
605 if not stanza.attr.to or is_contact_subscribed(username, module.host, jid_bare(stanza.attr.from)) then |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
606 if node == nil or node == "" then |
4709
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
607 local ns_data = ns_delegations[_DISCO_ITEMS_REMAINING] |
2752
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
608 if ns_data ~= nil then |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
609 forward_iq(event.stanza, ns_data) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
610 return true |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
611 end |
d0e75bf21d30
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Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
612 end |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
613 end |
d0e75bf21d30
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Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
614 end |
3271
7504f765e767
mod_delegation: Simplify iq handling by hooking on iq-get/ instead of iq/.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
2758
diff
changeset
|
615 module:hook("iq-get/bare/http://jabber.org/protocol/disco#items:query", disco_items_hook, 100) |
2752
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
616 |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
617 local function disco_items_raw_hook(event) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
618 -- this method is called when account-disco-items-* event are not called |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
619 -- notably when a disco-item is done by an unsubscibed entity |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
620 -- (i.e. an entity doing a disco#item on an entity without having |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
621 -- presence subscription) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
622 -- we forward the request to managing entity |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
623 -- it's the responsability of the managing entity to filter the items |
4709
679f1834dbdb
mod_delegation: update to XEP-0355 v0.5
Goffi <goffi@goffi.org>
parents:
4616
diff
changeset
|
624 local ns_data = ns_delegations[_DISCO_ITEMS_REMAINING] |
2752
d0e75bf21d30
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Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
625 if ns_data ~= nil then |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
626 forward_iq(event.stanza, ns_data) |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
627 return true |
d0e75bf21d30
mod_delegation: added disco#items support
Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
628 end |
d0e75bf21d30
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parents:
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diff
changeset
|
629 end |
d0e75bf21d30
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Goffi <goffi@goffi.org>
parents:
2069
diff
changeset
|
630 module:hook("iq-get/bare/http://jabber.org/protocol/disco#items:query", disco_items_raw_hook, -2^32) |