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core/hostmanager.lua @ 12947:14a44b1a51d0
prosody.loader: Allow loading modules under 'prosody' namespace (#1223)
Actually `hg mv`-ing all the files is disruptive, basically breaking
everything from rebasing all my WIP draft commits to the package
building. So instead, what if we didn't and instead rewrote package
names as they are `require()`-d?
Debian packages produced by the Prosody are already installed into this
structure so much will Just Work if all require calls are updated.
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 17 Mar 2023 13:51:43 +0100 |
parent | 11505:61d38c4b749d |
child | 12972:ead41e25ebc0 |
rev | line source |
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1 -- Prosody IM |
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2 -- Copyright (C) 2008-2010 Matthew Wild |
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3 -- Copyright (C) 2008-2010 Waqas Hussain |
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4 -- |
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5 -- This project is MIT/X11 licensed. Please see the |
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6 -- COPYING file in the source package for more information. |
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7 -- |
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8 |
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9 local configmanager = require "core.configmanager"; |
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10 local modulemanager = require "core.modulemanager"; |
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12 local disco_items = require "util.multitable".new(); |
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13 local NULL = {}; |
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14 |
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15 local log = require "util.logger".init("hostmanager"); |
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16 |
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17 local hosts = prosody.hosts; |
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18 local prosody_events = prosody.events; |
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19 if not _G.prosody.incoming_s2s then |
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20 require "core.s2smanager"; |
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21 end |
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22 local incoming_s2s = _G.prosody.incoming_s2s; |
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23 local core_route_stanza = _G.prosody.core_route_stanza; |
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24 |
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25 local pairs, rawget = pairs, rawget; |
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26 local tostring, type = tostring, type; |
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27 local setmetatable = setmetatable; |
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28 |
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29 local _ENV = nil; |
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30 -- luacheck: std none |
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31 |
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32 local host_mt = { } |
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33 function host_mt:__tostring() |
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34 if self.type == "component" then |
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35 local typ = configmanager.get(self.host, "component_module"); |
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36 if typ == "component" then |
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37 return ("Component %q"):format(self.host); |
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38 end |
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39 return ("Component %q %q"):format(self.host, typ); |
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40 elseif self.type == "local" then |
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41 return ("VirtualHost %q"):format(self.host); |
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42 end |
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43 end |
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44 |
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45 local hosts_loaded_once; |
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46 |
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47 local activate, deactivate; |
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48 |
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49 local function load_enabled_hosts(config) |
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50 local defined_hosts = config or configmanager.getconfig(); |
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51 local activated_any_host; |
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52 |
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53 for host, host_config in pairs(defined_hosts) do |
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54 if host ~= "*" and host_config.enabled ~= false then |
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55 if not host_config.component_module then |
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56 activated_any_host = true; |
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57 end |
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58 activate(host, host_config); |
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59 end |
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60 end |
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61 |
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62 if not activated_any_host then |
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63 log("error", "No active VirtualHost entries in the config file. This may cause unexpected behaviour as no modules will be loaded."); |
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64 end |
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65 |
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66 prosody_events.fire_event("hosts-activated", defined_hosts); |
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67 hosts_loaded_once = true; |
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68 end |
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69 |
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70 prosody_events.add_handler("server-starting", load_enabled_hosts); |
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71 |
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72 local function host_send(stanza) |
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73 core_route_stanza(nil, stanza); |
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74 end |
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75 |
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76 function activate(host, host_config) |
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77 if rawget(hosts, host) then return nil, "The host "..host.." is already activated"; end |
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78 host_config = host_config or configmanager.getconfig()[host]; |
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79 if not host_config then return nil, "Couldn't find the host "..tostring(host).." defined in the current config"; end |
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80 local host_session = { |
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81 host = host; |
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82 s2sout = {}; |
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83 events = events_new(); |
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84 send = host_send; |
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85 modules = {}; |
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86 }; |
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87 function host_session:close(reason) |
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88 log("debug", "Attempt to close host session %s with reason: %s", self.host, reason); |
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89 end |
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90 setmetatable(host_session, host_mt); |
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91 if not host_config.component_module then -- host |
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92 host_session.type = "local"; |
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93 host_session.sessions = {}; |
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94 else -- component |
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95 host_session.type = "component"; |
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96 end |
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97 hosts[host] = host_session; |
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98 if not host_config.disco_hidden and not host:match("[@/]") then |
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99 disco_items:set(host:match("%.(.*)") or "*", host, host_config.name or true); |
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100 end |
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101 for option_name in pairs(host_config) do |
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102 if option_name:match("_ports$") or option_name:match("_interface$") then |
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103 log("warn", "%s: Option '%s' has no effect for virtual hosts - put it in the server-wide section instead", host, option_name); |
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104 end |
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105 end |
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106 |
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107 log((hosts_loaded_once and "info") or "debug", "Activated host: %s", host); |
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108 prosody_events.fire_event("host-activated", host); |
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109 return true; |
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110 end |
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111 |
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112 function deactivate(host, reason) |
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113 local host_session = hosts[host]; |
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114 if not host_session then return nil, "The host "..tostring(host).." is not activated"; end |
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115 log("info", "Deactivating host: %s", host); |
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116 prosody_events.fire_event("host-deactivating", { host = host, host_session = host_session, reason = reason }); |
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117 |
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118 if type(reason) ~= "table" then |
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119 reason = { condition = "host-gone", text = tostring(reason or "This server has stopped serving "..host) }; |
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120 end |
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121 |
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122 -- Disconnect local users, s2s connections |
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123 -- TODO: These should move to mod_c2s and mod_s2s (how do they know they're being unloaded and not reloaded?) |
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124 if host_session.sessions then |
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125 for username, user in pairs(host_session.sessions) do |
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126 for resource, session in pairs(user.sessions) do |
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127 log("debug", "Closing connection for %s@%s/%s", username, host, resource); |
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128 session:close(reason); |
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129 end |
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130 end |
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131 end |
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132 if host_session.s2sout then |
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133 for remotehost, session in pairs(host_session.s2sout) do |
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134 if session.close then |
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135 log("debug", "Closing outgoing connection to %s", remotehost); |
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136 session:close(reason); |
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137 end |
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138 end |
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139 end |
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140 for remote_session in pairs(incoming_s2s) do |
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141 if remote_session.to_host == host then |
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142 log("debug", "Closing incoming connection from %s", remote_session.from_host or "<unknown>"); |
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143 remote_session:close(reason); |
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144 end |
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145 end |
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146 |
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147 -- TODO: This should be done in modulemanager |
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148 if host_session.modules then |
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149 for module in pairs(host_session.modules) do |
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150 modulemanager.unload(host, module); |
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151 end |
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152 end |
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153 |
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154 hosts[host] = nil; |
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155 if not host:match("[@/]") then |
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156 disco_items:remove(host:match("%.(.*)") or "*", host); |
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157 end |
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158 prosody_events.fire_event("host-deactivated", host); |
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159 log("info", "Deactivated host: %s", host); |
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160 return true; |
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161 end |
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162 |
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163 local function get_children(host) |
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164 return disco_items:get(host) or NULL; |
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165 end |
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166 |
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167 return { |
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168 activate = activate; |
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169 deactivate = deactivate; |
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170 get_children = get_children; |
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171 } |