Software / code / prosody
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plugins/mod_console.lua @ 519:cccd610a0ef9
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| author | Matthew Wild <mwild1@gmail.com> |
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| date | Wed, 03 Dec 2008 14:39:07 +0000 |
| parent | 461:8e66201f566a |
| child | 563:099d8a102deb |
| rev | line source |
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1 -- Prosody IM v0.1 |
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2 -- Copyright (C) 2008 Matthew Wild |
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3 -- Copyright (C) 2008 Waqas Hussain |
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4 -- |
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5 -- This program is free software; you can redistribute it and/or |
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6 -- modify it under the terms of the GNU General Public License |
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7 -- as published by the Free Software Foundation; either version 2 |
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8 -- of the License, or (at your option) any later version. |
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9 -- |
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10 -- This program is distributed in the hope that it will be useful, |
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11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 -- GNU General Public License for more details. |
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14 -- |
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15 -- You should have received a copy of the GNU General Public License |
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16 -- along with this program; if not, write to the Free Software |
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17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 -- |
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19 |
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20 |
| 382 | 21 |
| 22 local connlisteners_register = require "net.connlisteners".register; | |
| 23 | |
| 24 local console_listener = { default_port = 5582; default_mode = "*l"; }; | |
| 25 | |
| 26 local commands = {}; | |
| 411 | 27 local def_env = {}; |
| 28 local default_env_mt = { __index = def_env }; | |
| 382 | 29 |
| 30 console = {}; | |
| 31 | |
| 32 function console:new_session(conn) | |
| 33 local w = conn.write; | |
| 411 | 34 local session = { conn = conn; |
| 382 | 35 send = function (t) w(tostring(t)); end; |
| 36 print = function (t) w("| "..tostring(t).."\n"); end; | |
| 37 disconnect = function () conn.close(); end; | |
| 38 }; | |
| 411 | 39 session.env = setmetatable({}, default_env_mt); |
| 40 | |
| 41 -- Load up environment with helper objects | |
| 42 for name, t in pairs(def_env) do | |
| 43 if type(t) == "table" then | |
| 44 session.env[name] = setmetatable({ session = session }, { __index = t }); | |
| 45 end | |
| 46 end | |
| 47 | |
| 48 return session; | |
| 382 | 49 end |
| 50 | |
| 51 local sessions = {}; | |
| 52 | |
| 53 function console_listener.listener(conn, data) | |
| 54 local session = sessions[conn]; | |
| 55 | |
| 56 if not session then | |
| 57 -- Handle new connection | |
| 58 session = console:new_session(conn); | |
| 59 sessions[conn] = session; | |
| 440 | 60 printbanner(session); |
| 382 | 61 end |
| 62 if data then | |
| 63 -- Handle data | |
| 64 | |
| 65 if data:match("[!.]$") then | |
| 66 local command = data:lower(); | |
| 67 command = data:match("^%w+") or data:match("%p"); | |
| 68 if commands[command] then | |
| 69 commands[command](session, data); | |
| 70 return; | |
| 71 end | |
| 72 end | |
| 73 | |
| 74 session.env._ = data; | |
| 75 | |
| 76 local chunk, err = loadstring("return "..data); | |
| 77 if not chunk then | |
| 78 chunk, err = loadstring(data); | |
| 79 if not chunk then | |
| 80 err = err:gsub("^%[string .-%]:%d+: ", ""); | |
| 81 err = err:gsub("^:%d+: ", ""); | |
| 82 err = err:gsub("'<eof>'", "the end of the line"); | |
| 83 session.print("Sorry, I couldn't understand that... "..err); | |
| 84 return; | |
| 85 end | |
| 86 end | |
| 87 | |
| 88 setfenv(chunk, session.env); | |
| 89 local ranok, taskok, message = pcall(chunk); | |
| 90 | |
| 91 if not ranok then | |
| 92 session.print("Fatal error while running command, it did not complete"); | |
| 93 session.print("Error: "..taskok); | |
| 94 return; | |
| 95 end | |
| 96 | |
| 97 if not message then | |
| 98 session.print("Result: "..tostring(taskok)); | |
| 99 return; | |
| 100 elseif (not taskok) and message then | |
| 101 session.print("Command completed with a problem"); | |
| 102 session.print("Message: "..tostring(message)); | |
| 103 return; | |
| 104 end | |
| 105 | |
| 106 session.print("OK: "..tostring(message)); | |
| 107 end | |
| 108 end | |
| 109 | |
| 110 function console_listener.disconnect(conn, err) | |
| 111 | |
| 112 end | |
| 113 | |
| 114 connlisteners_register('console', console_listener); | |
| 115 | |
| 116 -- Console commands -- | |
| 117 -- These are simple commands, not valid standalone in Lua | |
| 118 | |
| 119 function commands.bye(session) | |
| 120 session.print("See you! :)"); | |
| 121 session.disconnect(); | |
| 122 end | |
| 123 | |
| 124 commands["!"] = function (session, data) | |
| 125 if data:match("^!!") then | |
| 126 session.print("!> "..session.env._); | |
| 127 return console_listener.listener(session.conn, session.env._); | |
| 128 end | |
| 129 local old, new = data:match("^!(.-[^\\])!(.-)!$"); | |
| 130 if old and new then | |
| 131 local ok, res = pcall(string.gsub, session.env._, old, new); | |
| 132 if not ok then | |
| 133 session.print(res) | |
| 134 return; | |
| 135 end | |
| 136 session.print("!> "..res); | |
| 137 return console_listener.listener(session.conn, res); | |
| 138 end | |
| 139 session.print("Sorry, not sure what you want"); | |
| 140 end | |
| 141 | |
| 142 -- Session environment -- | |
| 411 | 143 -- Anything in def_env will be accessible within the session as a global variable |
| 382 | 144 |
| 411 | 145 def_env.server = {}; |
| 146 function def_env.server:reload() | |
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147 dofile "prosody" |
| 382 | 148 return true, "Server reloaded"; |
| 149 end | |
| 150 | |
| 411 | 151 def_env.module = {}; |
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152 function def_env.module:load(name, host, config) |
| 382 | 153 local mm = require "modulemanager"; |
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154 local ok, err = mm.load(host or self.env.host, name, config); |
| 382 | 155 if not ok then |
| 156 return false, err or "Unknown error loading module"; | |
| 157 end | |
| 158 return true, "Module loaded"; | |
| 159 end | |
| 160 | |
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161 function def_env.module:unload(name, host) |
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162 local mm = require "modulemanager"; |
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163 local ok, err = mm.unload(host or self.env.host, name); |
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164 if not ok then |
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165 return false, err or "Unknown error unloading module"; |
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166 end |
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167 return true, "Module unloaded"; |
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168 end |
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169 |
| 411 | 170 def_env.config = {}; |
| 171 function def_env.config:load(filename, format) | |
| 172 local config_load = require "core.configmanager".load; | |
| 173 local ok, err = config_load(filename, format); | |
| 382 | 174 if not ok then |
| 175 return false, err or "Unknown error loading config"; | |
| 176 end | |
| 177 return true, "Config loaded"; | |
| 178 end | |
| 411 | 179 |
| 180 function def_env.config:get(host, section, key) | |
| 181 local config_get = require "core.configmanager".get | |
| 182 return true, tostring(config_get(host, section, key)); | |
| 183 end | |
| 184 | |
| 185 def_env.hosts = {}; | |
| 186 function def_env.hosts:list() | |
| 187 for host, host_session in pairs(hosts) do | |
| 188 self.session.print(host); | |
| 189 end | |
| 190 return true, "Done"; | |
| 191 end | |
| 192 | |
| 193 function def_env.hosts:add(name) | |
| 194 end | |
| 440 | 195 |
| 196 ------------- | |
| 197 | |
| 198 function printbanner(session) | |
| 199 session.print [[ | |
| 200 ____ \ / _ | |
| 201 | _ \ _ __ ___ ___ _-_ __| |_ _ | |
| 202 | |_) | '__/ _ \/ __|/ _ \ / _` | | | | | |
| 203 | __/| | | (_) \__ \ |_| | (_| | |_| | | |
| 204 |_| |_| \___/|___/\___/ \__,_|\__, | | |
| 205 A study in simplicity |___/ | |
| 206 | |
| 207 ]] | |
| 208 session.print("Welcome to the Prosody administration console. For a list of commands, type: help"); | |
| 209 session.print("You may find more help on using this console in our online documentation at "); | |
| 210 session.print("http://prosody.im/doc/console\n"); | |
| 211 end |
