Software / code / prosody
Annotate
plugins/mod_console.lua @ 896:2c0b9e3c11c3
0.3->0.4
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Fri, 20 Mar 2009 20:16:25 +0000 |
| parent | 760:90ce865eebd8 |
| child | 1042:a3d77353c18a |
| rev | line source |
|---|---|
| 896 | 1 -- Prosody IM v0.4 |
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2 -- Copyright (C) 2008-2009 Matthew Wild |
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3 -- Copyright (C) 2008-2009 Waqas Hussain |
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4 -- |
| 758 | 5 -- This project is MIT/X11 licensed. Please see the |
| 6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
| 736 | 9 module.host = "*"; |
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10 |
| 736 | 11 local connlisteners_register = require "net.connlisteners".register; |
| 12 | |
| 13 local console_listener = { default_port = 5582; default_mode = "*l"; }; | |
| 14 | |
| 15 local commands = {}; | |
| 16 local def_env = {}; | |
| 17 local default_env_mt = { __index = def_env }; | |
| 18 | |
| 19 console = {}; | |
| 20 | |
| 21 function console:new_session(conn) | |
| 22 local w = function(s) conn.write(s:gsub("\n", "\r\n")); end; | |
| 23 local session = { conn = conn; | |
| 24 send = function (t) w(tostring(t)); end; | |
| 25 print = function (t) w("| "..tostring(t).."\n"); end; | |
| 26 disconnect = function () conn.close(); end; | |
| 27 }; | |
| 28 session.env = setmetatable({}, default_env_mt); | |
| 29 | |
| 30 -- Load up environment with helper objects | |
| 31 for name, t in pairs(def_env) do | |
| 32 if type(t) == "table" then | |
| 33 session.env[name] = setmetatable({ session = session }, { __index = t }); | |
| 34 end | |
| 35 end | |
| 36 | |
| 37 return session; | |
| 38 end | |
| 39 | |
| 40 local sessions = {}; | |
| 41 | |
| 42 function console_listener.listener(conn, data) | |
| 43 local session = sessions[conn]; | |
| 44 | |
| 45 if not session then | |
| 46 -- Handle new connection | |
| 47 session = console:new_session(conn); | |
| 48 sessions[conn] = session; | |
| 49 printbanner(session); | |
| 50 end | |
| 51 if data then | |
| 52 -- Handle data | |
| 53 (function(session, data) | |
| 54 if data:match("[!.]$") then | |
| 55 local command = data:lower(); | |
| 56 command = data:match("^%w+") or data:match("%p"); | |
| 57 if commands[command] then | |
| 58 commands[command](session, data); | |
| 59 return; | |
| 60 end | |
| 61 end | |
| 62 | |
| 63 session.env._ = data; | |
| 64 | |
| 65 local chunk, err = loadstring("return "..data); | |
| 66 if not chunk then | |
| 67 chunk, err = loadstring(data); | |
| 68 if not chunk then | |
| 69 err = err:gsub("^%[string .-%]:%d+: ", ""); | |
| 70 err = err:gsub("^:%d+: ", ""); | |
| 71 err = err:gsub("'<eof>'", "the end of the line"); | |
| 72 session.print("Sorry, I couldn't understand that... "..err); | |
| 73 return; | |
| 74 end | |
| 75 end | |
| 76 | |
| 77 setfenv(chunk, session.env); | |
| 78 local ranok, taskok, message = pcall(chunk); | |
| 79 | |
| 80 if not ranok then | |
| 81 session.print("Fatal error while running command, it did not complete"); | |
| 82 session.print("Error: "..taskok); | |
| 83 return; | |
| 84 end | |
| 85 | |
| 86 if not message then | |
| 87 session.print("Result: "..tostring(taskok)); | |
| 88 return; | |
| 89 elseif (not taskok) and message then | |
| 90 session.print("Command completed with a problem"); | |
| 91 session.print("Message: "..tostring(message)); | |
| 92 return; | |
| 93 end | |
| 94 | |
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95 session.print("OK: "..tostring(message)); |
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96 end)(session, data); |
| 736 | 97 end |
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98 session.send(string.char(0)); |
| 736 | 99 end |
| 100 | |
| 101 function console_listener.disconnect(conn, err) | |
| 102 | |
| 103 end | |
| 104 | |
| 105 connlisteners_register('console', console_listener); | |
| 106 | |
| 107 -- Console commands -- | |
| 108 -- These are simple commands, not valid standalone in Lua | |
| 109 | |
| 110 function commands.bye(session) | |
| 111 session.print("See you! :)"); | |
| 112 session.disconnect(); | |
| 113 end | |
| 114 | |
| 115 commands["!"] = function (session, data) | |
| 116 if data:match("^!!") then | |
| 117 session.print("!> "..session.env._); | |
| 118 return console_listener.listener(session.conn, session.env._); | |
| 119 end | |
| 120 local old, new = data:match("^!(.-[^\\])!(.-)!$"); | |
| 121 if old and new then | |
| 122 local ok, res = pcall(string.gsub, session.env._, old, new); | |
| 123 if not ok then | |
| 124 session.print(res) | |
| 125 return; | |
| 126 end | |
| 127 session.print("!> "..res); | |
| 128 return console_listener.listener(session.conn, res); | |
| 129 end | |
| 130 session.print("Sorry, not sure what you want"); | |
| 131 end | |
| 132 | |
| 133 -- Session environment -- | |
| 134 -- Anything in def_env will be accessible within the session as a global variable | |
| 135 | |
| 136 def_env.server = {}; | |
| 137 function def_env.server:reload() | |
| 138 dofile "prosody" | |
| 139 return true, "Server reloaded"; | |
| 140 end | |
| 141 | |
| 142 def_env.module = {}; | |
| 143 function def_env.module:load(name, host, config) | |
| 144 local mm = require "modulemanager"; | |
| 145 local ok, err = mm.load(host or self.env.host, name, config); | |
| 146 if not ok then | |
| 147 return false, err or "Unknown error loading module"; | |
| 148 end | |
| 149 return true, "Module loaded"; | |
| 150 end | |
| 151 | |
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152 function def_env.module:unload(name, host) |
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153 local mm = require "modulemanager"; |
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154 local ok, err = mm.unload(host or self.env.host, name); |
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155 if not ok then |
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156 return false, err or "Unknown error unloading module"; |
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157 end |
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158 return true, "Module unloaded"; |
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159 end |
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160 |
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161 function def_env.module:reload(name, host) |
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162 local mm = require "modulemanager"; |
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163 local ok, err = mm.reload(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 reloading module"; |
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166 end |
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167 return true, "Module reloaded"; |
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168 end |
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169 |
| 736 | 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); | |
| 174 if not ok then | |
| 175 return false, err or "Unknown error loading config"; | |
| 176 end | |
| 177 return true, "Config loaded"; | |
| 178 end | |
| 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 | |
| 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 |
