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annotate mod_privilege/mod_privilege.lua @ 1716:29dfdfc767b4

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mod_delegation: service discovery extensions (xep-0128) management
author Goffi <goffi@goffi.org>
date Sat, 18 Apr 2015 00:13:09 +0200
parents ad7afcf86131
children 0d78bb31348e
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1 -- XEP-0356 (Privileged Entity)
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2 -- Copyright (C) 2015 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 -- Some parts come from mod_remote_roster (module by Waqas Hussain and Kim Alvefur, see https://code.google.com/p/prosody-modules/)
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8
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9 -- TODO: manage external <presence/> (for "roster" presence permission) when the account with the roster is offline
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10
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11 local jid = require("util/jid")
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12 local set = require("util/set")
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13 local st = require("util/stanza")
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14 local roster_manager = require("core/rostermanager")
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15 local user_manager = require("core/usermanager")
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16 local hosts = prosody.hosts
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17 local full_sessions = prosody.full_sessions;
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19 local priv_session = module:shared("/*/privilege/session")
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20
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21 if priv_session.connected_cb == nil then
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22 -- set used to have connected event listeners
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23 -- which allows a host to react on events from
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24 -- other hosts
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25 priv_session.connected_cb = set.new()
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26 end
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27 local connected_cb = priv_session.connected_cb
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28
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29 -- the folowing sets are used to forward presence stanza
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30 -- the folowing sets are used to forward presence stanza
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31 local presence_man_ent = set.new()
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32 local presence_roster = set.new()
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33
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34 local _ALLOWED_ROSTER = set.new({'none', 'get', 'set', 'both'})
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35 local _ROSTER_GET_PERM = set.new({'get', 'both'})
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36 local _ROSTER_SET_PERM = set.new({'set', 'both'})
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37 local _ALLOWED_MESSAGE = set.new({'none', 'outgoing'})
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38 local _ALLOWED_PRESENCE = set.new({'none', 'managed_entity', 'roster'})
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39 local _PRESENCE_MANAGED = set.new({'managed_entity', 'roster'})
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40 local _TO_CHECK = {roster=_ALLOWED_ROSTER, message=_ALLOWED_MESSAGE, presence=_ALLOWED_PRESENCE}
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41 local _PRIV_ENT_NS = 'urn:xmpp:privilege:1'
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42 local _FORWARDED_NS = 'urn:xmpp:forward:0'
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43
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44
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45 module:log("debug", "Loading privileged entity module ");
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46
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47
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48 --> Permissions management <--
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49
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50 local privileges = module:get_option("privileged_entities", {})
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51
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52 local function advertise_perm(session, to_jid, perms)
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53 -- send <message/> stanza to advertise permissions
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54 -- as expained in § 4.2
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55 local message = st.message({from=module.host, to=to_jid})
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56 :tag("privilege", {xmlns=_PRIV_ENT_NS})
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57
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58 for _, perm in pairs({'roster', 'message', 'presence'}) do
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59 if perms[perm] then
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60 message:tag("perm", {access=perm, type=perms[perm]}):up()
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61 end
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62 end
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63 session.send(message)
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64 end
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65
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66 local function set_presence_perm_set(to_jid, perms)
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67 -- fill the presence sets according to perms
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68 if _PRESENCE_MANAGED:contains(perms.presence) then
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69 presence_man_ent:add(to_jid)
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70 end
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71 if perms.presence == 'roster' then
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72 presence_roster:add(to_jid)
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73 end
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74 end
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75
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76 local function advertise_presences(session, to_jid, perms)
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77 -- send presence status for already conencted entities
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78 -- as explained in § 7.1
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79 -- people in roster are probed only for active sessions
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80 -- TODO: manage roster load for inactive sessions
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81 if not perms.presence then return; end
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82 local to_probe = {}
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83 for _, user_session in pairs(full_sessions) do
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84 if user_session.presence and _PRESENCE_MANAGED:contains(perms.presence) then
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85 local presence = st.clone(user_session.presence)
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86 presence.attr.to = to_jid
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87 module:log("debug", "sending current presence for "..tostring(user_session.full_jid))
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88 session.send(presence)
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89 end
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90 if perms.presence == "roster" then
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91 -- we reset the cache to avoid to miss a presence that just changed
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92 priv_session.last_presence = nil
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94 if user_session.roster then
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95 local bare_jid = jid.bare(user_session.full_jid)
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96 for entity, item in pairs(user_session.roster) do
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97 if entity~=false and entity~="pending" and (item.subscription=="both" or item.subscription=="to") then
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98 local _, host = jid.split(entity)
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99 if not hosts[host] then -- we don't probe jid from hosts we manage
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100 -- using a table with entity as key avoid probing several time the same one
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101 to_probe[entity] = bare_jid
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102 end
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103 end
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104 end
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105 end
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106 end
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107 end
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109 -- now we probe peoples for "roster" presence permission
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Goffi <goffi@goffi.org>
parents: 1667
diff changeset
110 for probe_to, probe_from in pairs(to_probe) do
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
111 module:log("debug", "probing presence for %s (on behalf of %s)", tostring(probe_to), tostring(probe_from))
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
112 local probe = st.presence({from=probe_from, to=probe_to, type="probe"})
1667
c81a981479d4 mod_privilege: implemented probing of rosters items (for existing sessions only) on connection + use a globally shared table for priv_session (and fixed last_presence)
Goffi <goffi@goffi.org>
parents: 1666
diff changeset
113 prosody.core_route_stanza(nil, probe)
c81a981479d4 mod_privilege: implemented probing of rosters items (for existing sessions only) on connection + use a globally shared table for priv_session (and fixed last_presence)
Goffi <goffi@goffi.org>
parents: 1666
diff changeset
114 end
1665
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parents: 1664
diff changeset
115 end
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Goffi <goffi@goffi.org>
parents: 1664
diff changeset
116
1707
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Goffi <goffi@goffi.org>
parents: 1667
diff changeset
117 local function on_auth(event)
1657
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parents:
diff changeset
118 -- Check if entity is privileged according to configuration,
7116bc76663b mod_privilege: mod_privilege first draft
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parents:
diff changeset
119 -- and set session.privileges accordingly
1660
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parents: 1659
diff changeset
120
1657
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parents:
diff changeset
121 local session = event.session
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Goffi <goffi@goffi.org>
parents:
diff changeset
122 local bare_jid = jid.join(session.username, session.host)
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Goffi <goffi@goffi.org>
parents:
diff changeset
123
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parents:
diff changeset
124 local ent_priv = privileges[bare_jid]
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parents:
diff changeset
125 if ent_priv ~= nil then
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parents:
diff changeset
126 module:log("debug", "Entity is privileged")
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Goffi <goffi@goffi.org>
parents:
diff changeset
127 for perm_type, allowed_values in pairs(_TO_CHECK) do
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parents:
diff changeset
128 local value = ent_priv[perm_type]
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parents:
diff changeset
129 if value ~= nil then
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parents:
diff changeset
130 if not allowed_values:contains(value) then
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parents:
diff changeset
131 module:log('warn', 'Invalid value for '..perm_type..' privilege: ['..value..']')
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parents:
diff changeset
132 module:log('warn', 'Setting '..perm_type..' privilege to none')
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Goffi <goffi@goffi.org>
parents:
diff changeset
133 ent_priv[perm_type] = nil
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Goffi <goffi@goffi.org>
parents:
diff changeset
134 end
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
135 if value == 'none' then
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
136 ent_priv[perm_type] = nil
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
137 end
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
138 end
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
139 end
1663
ca07a6ada631 mod_privilege: presence permission configuration check + use global set to know privileged entities to advertise
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parents: 1662
diff changeset
140 -- extra checks for presence permission
ca07a6ada631 mod_privilege: presence permission configuration check + use global set to know privileged entities to advertise
Goffi <goffi@goffi.org>
parents: 1662
diff changeset
141 if ent_priv.permission == 'roster' and not _ROSTER_GET_PERM:contains(session.privileges.roster) then
ca07a6ada631 mod_privilege: presence permission configuration check + use global set to know privileged entities to advertise
Goffi <goffi@goffi.org>
parents: 1662
diff changeset
142 module:log("warn", "Can't allow roster presence privilege without roster \"get\" privilege")
ca07a6ada631 mod_privilege: presence permission configuration check + use global set to know privileged entities to advertise
Goffi <goffi@goffi.org>
parents: 1662
diff changeset
143 module:log("warn", "Setting presence permission to none")
1707
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Goffi <goffi@goffi.org>
parents: 1667
diff changeset
144 ent_priv.permission = nil
1663
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Goffi <goffi@goffi.org>
parents: 1662
diff changeset
145 end
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Goffi <goffi@goffi.org>
parents: 1662
diff changeset
146
1657
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parents:
diff changeset
147 if session.type == "component" then
7116bc76663b mod_privilege: mod_privilege first draft
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parents:
diff changeset
148 -- we send the message stanza only for component
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
149 -- it will be sent at first <presence/> for other entities
1662
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Goffi <goffi@goffi.org>
parents: 1661
diff changeset
150 advertise_perm(session, bare_jid, ent_priv)
1663
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Goffi <goffi@goffi.org>
parents: 1662
diff changeset
151 set_presence_perm_set(bare_jid, ent_priv)
1665
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Goffi <goffi@goffi.org>
parents: 1664
diff changeset
152 advertise_presences(session, bare_jid, ent_priv)
1657
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parents:
diff changeset
153 end
7116bc76663b mod_privilege: mod_privilege first draft
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parents:
diff changeset
154 end
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
155
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
156 session.privileges = ent_priv
7116bc76663b mod_privilege: mod_privilege first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
157 end
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Goffi <goffi@goffi.org>
parents:
diff changeset
158
1707
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Goffi <goffi@goffi.org>
parents: 1667
diff changeset
159 local function on_presence(event)
1659
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Goffi <goffi@goffi.org>
parents: 1658
diff changeset
160 -- Permission are already checked at this point,
495a093798eb mod_privilege: added permissions notification on initial presence for entities which are not components
Goffi <goffi@goffi.org>
parents: 1658
diff changeset
161 -- we only advertise them to the entity
1707
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Goffi <goffi@goffi.org>
parents: 1667
diff changeset
162 local session = event.origin
1659
495a093798eb mod_privilege: added permissions notification on initial presence for entities which are not components
Goffi <goffi@goffi.org>
parents: 1658
diff changeset
163 if session.privileges then
1662
d440a22fa0af mod_privilege: advertise_perm method now use session.send instead of module:send to avoid to go back in hook
Goffi <goffi@goffi.org>
parents: 1661
diff changeset
164 advertise_perm(session, session.full_jid, session.privileges)
1663
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Goffi <goffi@goffi.org>
parents: 1662
diff changeset
165 set_presence_perm_set(session.full_jid, session.privileges)
1665
746d94f37a4c mod_privilege: presence already known are advertised to privileged entity (for "maneger_entity" permission only so far)
Goffi <goffi@goffi.org>
parents: 1664
diff changeset
166 advertise_presences(session, session.full_jid, session.privileges)
1659
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Goffi <goffi@goffi.org>
parents: 1658
diff changeset
167 end
495a093798eb mod_privilege: added permissions notification on initial presence for entities which are not components
Goffi <goffi@goffi.org>
parents: 1658
diff changeset
168 end
495a093798eb mod_privilege: added permissions notification on initial presence for entities which are not components
Goffi <goffi@goffi.org>
parents: 1658
diff changeset
169
1708
ad7afcf86131 mod_privilege: fixed bad handling of presence permissions / component authentication between different hosts
Goffi <goffi@goffi.org>
parents: 1707
diff changeset
170 local function on_component_auth(event)
ad7afcf86131 mod_privilege: fixed bad handling of presence permissions / component authentication between different hosts
Goffi <goffi@goffi.org>
parents: 1707
diff changeset
171 -- react to component-authenticated event from this host
ad7afcf86131 mod_privilege: fixed bad handling of presence permissions / component authentication between different hosts
Goffi <goffi@goffi.org>
parents: 1707
diff changeset
172 -- and call the on_auth methods from all other hosts
ad7afcf86131 mod_privilege: fixed bad handling of presence permissions / component authentication between different hosts
Goffi <goffi@goffi.org>
parents: 1707
diff changeset
173 -- needed for the component to get delegations advertising
ad7afcf86131 mod_privilege: fixed bad handling of presence permissions / component authentication between different hosts
Goffi <goffi@goffi.org>
parents: 1707
diff changeset
174 for callback in connected_cb:items() do
ad7afcf86131 mod_privilege: fixed bad handling of presence permissions / component authentication between different hosts
Goffi <goffi@goffi.org>
parents: 1707
diff changeset
175 callback(event)
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Goffi <goffi@goffi.org>
parents: 1707
diff changeset
176 end
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Goffi <goffi@goffi.org>
parents: 1707
diff changeset
177 end
ad7afcf86131 mod_privilege: fixed bad handling of presence permissions / component authentication between different hosts
Goffi <goffi@goffi.org>
parents: 1707
diff changeset
178
ad7afcf86131 mod_privilege: fixed bad handling of presence permissions / component authentication between different hosts
Goffi <goffi@goffi.org>
parents: 1707
diff changeset
179 connected_cb:add(on_auth)
1657
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Goffi <goffi@goffi.org>
parents:
diff changeset
180 module:hook('authentication-success', on_auth)
1708
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Goffi <goffi@goffi.org>
parents: 1707
diff changeset
181 module:hook('component-authenticated', on_component_auth)
1659
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Goffi <goffi@goffi.org>
parents: 1658
diff changeset
182 module:hook('presence/initial', on_presence)
1658
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
183
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
184
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
185 --> roster permission <--
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
186
1660
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Goffi <goffi@goffi.org>
parents: 1659
diff changeset
187 -- get
1658
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
188 module:hook("iq-get/bare/jabber:iq:roster:query", function(event)
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
189 local session, stanza = event.origin, event.stanza;
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
190 if not stanza.attr.to then
1146cb4493a9 mod_privilege: roster get permission implemented
Goffi <goffi@goffi.org>
parents: 1657
diff changeset
191 -- we don't want stanzas addressed to /self
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
192 return;
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
193 end
1660
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
194
1658
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
195 if session.privileges and _ROSTER_GET_PERM:contains(session.privileges.roster) then
1146cb4493a9 mod_privilege: roster get permission implemented
Goffi <goffi@goffi.org>
parents: 1657
diff changeset
196 module:log("debug", "Roster get from allowed privileged entity received")
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
197 -- following code is adapted from mod_remote_roster
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
198 local node, host = jid.split(stanza.attr.to);
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
199 local roster = roster_manager.load_roster(node, host);
1660
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
200
1658
1146cb4493a9 mod_privilege: roster get permission implemented
Goffi <goffi@goffi.org>
parents: 1657
diff changeset
201 local reply = st.reply(stanza):query("jabber:iq:roster");
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
202 for entity_jid, item in pairs(roster) do
1146cb4493a9 mod_privilege: roster get permission implemented
Goffi <goffi@goffi.org>
parents: 1657
diff changeset
203 if entity_jid and entity_jid ~= "pending" then
1707
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Goffi <goffi@goffi.org>
parents: 1667
diff changeset
204 reply:tag("item", {
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
205 jid = entity_jid,
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
206 subscription = item.subscription,
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
207 ask = item.ask,
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
208 name = item.name,
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
209 });
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
210 for group in pairs(item.groups) do
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
211 reply:tag("group"):text(group):up();
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
212 end
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
213 reply:up(); -- move out from item
1658
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
214 end
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
215 end
1660
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
216 -- end of code adapted from mod_remote_roster
1658
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
217 session.send(reply);
1146cb4493a9 mod_privilege: roster get permission implemented
Goffi <goffi@goffi.org>
parents: 1657
diff changeset
218 else
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
219 module:log("warn", "Entity "..tostring(session.full_jid).." try to get roster without permission")
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
220 session.send(st.error_reply(stanza, 'auth', 'forbidden'))
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Goffi <goffi@goffi.org>
parents: 1657
diff changeset
221 end
1660
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
222
1658
1146cb4493a9 mod_privilege: roster get permission implemented
Goffi <goffi@goffi.org>
parents: 1657
diff changeset
223 return true
1660
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
224 end);
1658
1146cb4493a9 mod_privilege: roster get permission implemented
Goffi <goffi@goffi.org>
parents: 1657
diff changeset
225
1660
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
226 -- set
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
227 module:hook("iq-set/bare/jabber:iq:roster:query", function(event)
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Goffi <goffi@goffi.org>
parents: 1659
diff changeset
228 local session, stanza = event.origin, event.stanza;
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Goffi <goffi@goffi.org>
parents: 1659
diff changeset
229 if not stanza.attr.to then
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Goffi <goffi@goffi.org>
parents: 1659
diff changeset
230 -- we don't want stanzas addressed to /self
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Goffi <goffi@goffi.org>
parents: 1659
diff changeset
231 return;
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Goffi <goffi@goffi.org>
parents: 1659
diff changeset
232 end
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Goffi <goffi@goffi.org>
parents: 1659
diff changeset
233
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
234 if session.privileges and _ROSTER_SET_PERM:contains(session.privileges.roster) then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
235 module:log("debug", "Roster set from allowed privileged entity received")
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
236 -- following code is adapted from mod_remote_roster
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
237 local from_node, from_host = jid.split(stanza.attr.to);
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
238 if not(user_manager.user_exists(from_node, from_host)) then return; end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
239 local roster = roster_manager.load_roster(from_node, from_host);
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
240 if not(roster) then return; end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
241
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
242 local query = stanza.tags[1];
1707
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
243 for _, item in ipairs(query.tags) do
1660
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
244 if item.name == "item"
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
245 and item.attr.xmlns == "jabber:iq:roster" and item.attr.jid
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
246 -- Protection against overwriting roster.pending, until we move it
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
247 and item.attr.jid ~= "pending" then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
248
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
249 local item_jid = jid.prep(item.attr.jid);
1707
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
250 local _, host, resource = jid.split(item_jid);
1660
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
251 if not resource then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
252 if item_jid ~= stanza.attr.to then -- not self-item_jid
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
253 if item.attr.subscription == "remove" then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
254 local r_item = roster[item_jid];
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
255 if r_item then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
256 roster[item_jid] = nil;
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
257 if roster_manager.save_roster(from_node, from_host, roster) then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
258 session.send(st.reply(stanza));
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
259 roster_manager.roster_push(from_node, from_host, item_jid);
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
260 else
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
261 roster[item_jid] = item;
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
262 session.send(st.error_reply(stanza, "wait", "internal-server-error", "Unable to save roster"));
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
263 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
264 else
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
265 session.send(st.error_reply(stanza, "modify", "item-not-found"));
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
266 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
267 else
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
268 local subscription = item.attr.subscription;
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
269 if subscription ~= "both" and subscription ~= "to" and subscription ~= "from" and subscription ~= "none" then -- TODO error on invalid
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
270 subscription = roster[item_jid] and roster[item_jid].subscription or "none";
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
271 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
272 local r_item = {name = item.attr.name, groups = {}};
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
273 if r_item.name == "" then r_item.name = nil; end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
274 r_item.subscription = subscription;
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
275 if subscription ~= "both" and subscription ~= "to" then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
276 r_item.ask = roster[item_jid] and roster[item_jid].ask;
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
277 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
278 for _, child in ipairs(item) do
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
279 if child.name == "group" then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
280 local text = table.concat(child);
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
281 if text and text ~= "" then
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
282 r_item.groups[text] = true;
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
283 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
284 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
285 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
286 local olditem = roster[item_jid];
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
287 roster[item_jid] = r_item;
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
288 if roster_manager.save_roster(from_node, from_host, roster) then -- Ok, send success
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
289 session.send(st.reply(stanza));
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
290 -- and push change to all resources
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
291 roster_manager.roster_push(from_node, from_host, item_jid);
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
292 else -- Adding to roster failed
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
293 roster[item_jid] = olditem;
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
294 session.send(st.error_reply(stanza, "wait", "internal-server-error", "Unable to save roster"));
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
295 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
296 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
297 else -- Trying to add self to roster
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
298 session.send(st.error_reply(stanza, "cancel", "not-allowed"));
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
299 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
300 else -- Invalid JID added to roster
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
301 module:log("warn", "resource: %s , host: %s", tostring(resource), tostring(host))
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
302 session.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error?
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
303 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
304 else -- Roster set didn't include a single item, or its name wasn't 'item'
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
305 session.send(st.error_reply(stanza, "modify", "bad-request"));
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
306 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
307 end -- for loop end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
308 -- end of code adapted from mod_remote_roster
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
309 else -- The permission is not granted
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
310 module:log("warn", "Entity "..tostring(session.full_jid).." try to set roster without permission")
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
311 session.send(st.error_reply(stanza, 'auth', 'forbidden'))
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
312 end
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
313
d1072db4db44 mod_privilege: implemented roster set privilege
Goffi <goffi@goffi.org>
parents: 1659
diff changeset
314 return true
1658
1146cb4493a9 mod_privilege: roster get permission implemented
Goffi <goffi@goffi.org>
parents: 1657
diff changeset
315 end);
1661
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
316
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
317
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
318 --> message permission <--
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
319
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
320 module:hook("message/host", function(event)
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
321 local session, stanza = event.origin, event.stanza;
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
322 local privilege_elt = stanza:get_child('privilege', _PRIV_ENT_NS)
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
323 if privilege_elt==nil then return; end
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
324 if session.privileges and session.privileges.message=="outgoing" then
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
325 if #privilege_elt.tags==1 and privilege_elt.tags[1].name == "forwarded"
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
326 and privilege_elt.tags[1].attr.xmlns==_FORWARDED_NS then
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
327 local message_elt = privilege_elt.tags[1]:get_child('message', 'jabber:client')
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
328 if message_elt ~= nil then
1707
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
329 local _, from_host, from_resource = jid.split(message_elt.attr.from)
1661
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
330 if from_resource == nil and hosts[from_host] then -- we only accept bare jids from one of the server hosts
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
331 -- at this point everything should be alright, we can send the message
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
332 prosody.core_route_stanza(nil, message_elt)
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
333 else -- trying to send a message from a forbidden entity
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
334 module:log("warn", "Entity "..tostring(session.full_jid).." try to send a message from "..tostring(message_elt.attr.from))
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
335 session.send(st.error_reply(stanza, 'auth', 'forbidden'))
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
336 end
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
337 else -- incorrect message child
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
338 session.send(st.error_reply(stanza, "modify", "bad-request", "invalid forwarded <message/> element"));
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
339 end
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
340 else -- incorrect forwarded child
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
341 session.send(st.error_reply(stanza, "modify", "bad-request", "invalid <forwarded/> element"));
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
342 end;
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
343 else -- The permission is not granted
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
344 module:log("warn", "Entity "..tostring(session.full_jid).." try to send message without permission")
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
345 session.send(st.error_reply(stanza, 'auth', 'forbidden'))
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
346 end
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
347
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
348 return true
69aa2b54ba8a mod_privilege: implemented message privilege
Goffi <goffi@goffi.org>
parents: 1660
diff changeset
349 end);
1664
6bdcb1418029 mod_privilege: implemented "managed_entity" presence
Goffi <goffi@goffi.org>
parents: 1663
diff changeset
350
6bdcb1418029 mod_privilege: implemented "managed_entity" presence
Goffi <goffi@goffi.org>
parents: 1663
diff changeset
351
6bdcb1418029 mod_privilege: implemented "managed_entity" presence
Goffi <goffi@goffi.org>
parents: 1663
diff changeset
352 --> presence permission <--
6bdcb1418029 mod_privilege: implemented "managed_entity" presence
Goffi <goffi@goffi.org>
parents: 1663
diff changeset
353
1707
64b3d1eb0cfe mod_privilege: fixed various issues reported by luacheck
Goffi <goffi@goffi.org>
parents: 1667
diff changeset
354 local function same_tags(tag1, tag2)
1666
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
355 -- check if two tags are equivalent
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
356
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
357 if tag1.name ~= tag2.name then return false; end
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
358
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
359 if #tag1 ~= #tag2 then return false; end
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
360
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
361 for name, value in pairs(tag1.attr) do
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
362 if tag2.attr[name] ~= value then return false; end
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
363 end
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
364
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
365 for i=1,#tag1 do
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
366 if type(tag1[i]) == "string" then
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
367 if tag1[i] ~= tag2[i] then return false; end
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
368 else
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
369 if not same_tags(tag1[i], tag2[i]) then return false; end
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
370 end
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371 end
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372
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373 return true
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374 end
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375
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376 local function same_presences(presence1, presence2)
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377 -- check that 2 <presence/> stanzas are equivalent (except for "to" attribute)
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378 -- /!\ if the id change but everything else is equivalent, this method return false
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379 -- this behaviour may change in the future
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380 if presence1.attr.from ~= presence2.attr.from or presence1.attr.id ~= presence2.attr.id
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381 or presence1.attr.type ~= presence2.attr.type then
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382 return false
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383 end
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384
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385 if presence1.attr.id and presence1.attr.id == presence2.attr.id then return true; end
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386
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387 if #presence1 ~= #presence2 then return false; end
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388
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389 for i=1,#presence1 do
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390 if type(presence1[i]) == "string" then
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391 if presence1[i] ~= presence2[i] then return false; end
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392 else
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393 if not same_tags(presence1[i], presence2[i]) then return false; end
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394 end
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395 end
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396
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397 return true
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398 end
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diff changeset
399
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400 local function forward_presence(presence, to_jid)
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401 local presence_fwd = st.clone(presence)
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402 presence_fwd.attr.to = to_jid
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403 module:log("debug", "presence forwarded to "..to_jid..": "..tostring(presence_fwd))
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diff changeset
404 module:send(presence_fwd)
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diff changeset
405 -- cache used to avoid to send several times the same stanza
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406 priv_session.last_presence = presence
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407 end
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diff changeset
408
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diff changeset
409 module:hook("presence/bare", function(event)
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diff changeset
410 if presence_man_ent:empty() and presence_roster:empty() then return; end
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diff changeset
411
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diff changeset
412 local stanza = event.stanza
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diff changeset
413 if stanza.attr.type == nil or stanza.attr.type == "unavailable" then
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diff changeset
414 if not stanza.attr.to then
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diff changeset
415 for entity in presence_man_ent:items() do
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diff changeset
416 if stanza.attr.from ~= entity then forward_presence(stanza, entity); end
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417 end
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418 else -- directed presence
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diff changeset
419 -- we ignore directed presences from our own host, as we already have them
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diff changeset
420 local _, from_host = jid.split(stanza.attr.from)
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diff changeset
421 if hosts[from_host] then return; end
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diff changeset
422
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diff changeset
423 -- we don't send several time the same presence, as recommended in §7 #2
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parents: 1666
diff changeset
424 if priv_session.last_presence and same_presences(priv_session.last_presence, stanza) then
1666
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diff changeset
425 return
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diff changeset
426 end
1666
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diff changeset
427
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
428 for entity in presence_roster:items() do
0b1b4b7d5fe0 mod_privilege: implemented "roster" presence permission
Goffi <goffi@goffi.org>
parents: 1665
diff changeset
429 if stanza.attr.from ~= entity then forward_presence(stanza, entity); end
1664
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parents: 1663
diff changeset
430 end
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diff changeset
431 end
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diff changeset
432 end
1666
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433 end, 150)