Software / code / prosody
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plugins/mod_console.lua @ 669:9255abbb3068
mod_console: replace all \n with \r\n in the output, and send \0 as a marker character after every response
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Sat, 03 Jan 2009 18:44:39 +0500 |
| parent | 615:4ae3e81513f3 |
| child | 712:56410c0cd846 |
| rev | line source |
|---|---|
| 615 | 1 -- Prosody IM v0.2 |
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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) | |
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33 local w = function(s) conn.write(s:gsub("\n", "\r\n")); end; |
| 411 | 34 local session = { conn = conn; |
| 382 | 35 send = function (t) w(tostring(t)); end; |
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36 print = function (t) w("| "..tostring(t).."\n"); end; |
| 382 | 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 | |
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64 (function(session, data) |
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65 if data:match("[!.]$") then |
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66 local command = data:lower(); |
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67 command = data:match("^%w+") or data:match("%p"); |
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68 if commands[command] then |
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69 commands[command](session, data); |
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70 return; |
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71 end |
| 382 | 72 end |
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73 |
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74 session.env._ = data; |
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75 |
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76 local chunk, err = loadstring("return "..data); |
| 382 | 77 if not chunk then |
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78 chunk, err = loadstring(data); |
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79 if not chunk then |
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80 err = err:gsub("^%[string .-%]:%d+: ", ""); |
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81 err = err:gsub("^:%d+: ", ""); |
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82 err = err:gsub("'<eof>'", "the end of the line"); |
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83 session.print("Sorry, I couldn't understand that... "..err); |
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84 return; |
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85 end |
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86 end |
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87 |
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88 setfenv(chunk, session.env); |
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89 local ranok, taskok, message = pcall(chunk); |
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90 |
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91 if not ranok then |
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92 session.print("Fatal error while running command, it did not complete"); |
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93 session.print("Error: "..taskok); |
| 382 | 94 return; |
| 95 end | |
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96 |
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97 if not message then |
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98 session.print("Result: "..tostring(taskok)); |
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99 return; |
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100 elseif (not taskok) and message then |
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101 session.print("Command completed with a problem"); |
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102 session.print("Message: "..tostring(message)); |
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103 return; |
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104 end |
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105 |
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106 session.print("OK: "..tostring(message)); |
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107 end)(session, data); |
| 382 | 108 end |
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109 session.send(string.char(0)); |
| 382 | 110 end |
| 111 | |
| 112 function console_listener.disconnect(conn, err) | |
| 113 | |
| 114 end | |
| 115 | |
| 116 connlisteners_register('console', console_listener); | |
| 117 | |
| 118 -- Console commands -- | |
| 119 -- These are simple commands, not valid standalone in Lua | |
| 120 | |
| 121 function commands.bye(session) | |
| 122 session.print("See you! :)"); | |
| 123 session.disconnect(); | |
| 124 end | |
| 125 | |
| 126 commands["!"] = function (session, data) | |
| 127 if data:match("^!!") then | |
| 128 session.print("!> "..session.env._); | |
| 129 return console_listener.listener(session.conn, session.env._); | |
| 130 end | |
| 131 local old, new = data:match("^!(.-[^\\])!(.-)!$"); | |
| 132 if old and new then | |
| 133 local ok, res = pcall(string.gsub, session.env._, old, new); | |
| 134 if not ok then | |
| 135 session.print(res) | |
| 136 return; | |
| 137 end | |
| 138 session.print("!> "..res); | |
| 139 return console_listener.listener(session.conn, res); | |
| 140 end | |
| 141 session.print("Sorry, not sure what you want"); | |
| 142 end | |
| 143 | |
| 144 -- Session environment -- | |
| 411 | 145 -- Anything in def_env will be accessible within the session as a global variable |
| 382 | 146 |
| 411 | 147 def_env.server = {}; |
| 148 function def_env.server:reload() | |
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149 dofile "prosody" |
| 382 | 150 return true, "Server reloaded"; |
| 151 end | |
| 152 | |
| 411 | 153 def_env.module = {}; |
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154 function def_env.module:load(name, host, config) |
| 382 | 155 local mm = require "modulemanager"; |
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156 local ok, err = mm.load(host or self.env.host, name, config); |
| 382 | 157 if not ok then |
| 158 return false, err or "Unknown error loading module"; | |
| 159 end | |
| 160 return true, "Module loaded"; | |
| 161 end | |
| 162 | |
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163 function def_env.module:unload(name, host) |
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164 local mm = require "modulemanager"; |
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165 local ok, err = mm.unload(host or self.env.host, name); |
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166 if not ok then |
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167 return false, err or "Unknown error unloading module"; |
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168 end |
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169 return true, "Module unloaded"; |
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170 end |
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171 |
| 411 | 172 def_env.config = {}; |
| 173 function def_env.config:load(filename, format) | |
| 174 local config_load = require "core.configmanager".load; | |
| 175 local ok, err = config_load(filename, format); | |
| 382 | 176 if not ok then |
| 177 return false, err or "Unknown error loading config"; | |
| 178 end | |
| 179 return true, "Config loaded"; | |
| 180 end | |
| 411 | 181 |
| 182 function def_env.config:get(host, section, key) | |
| 183 local config_get = require "core.configmanager".get | |
| 184 return true, tostring(config_get(host, section, key)); | |
| 185 end | |
| 186 | |
| 187 def_env.hosts = {}; | |
| 188 function def_env.hosts:list() | |
| 189 for host, host_session in pairs(hosts) do | |
| 190 self.session.print(host); | |
| 191 end | |
| 192 return true, "Done"; | |
| 193 end | |
| 194 | |
| 195 function def_env.hosts:add(name) | |
| 196 end | |
| 440 | 197 |
| 198 ------------- | |
| 199 | |
| 200 function printbanner(session) | |
| 201 session.print [[ | |
| 202 ____ \ / _ | |
| 203 | _ \ _ __ ___ ___ _-_ __| |_ _ | |
| 204 | |_) | '__/ _ \/ __|/ _ \ / _` | | | | | |
| 205 | __/| | | (_) \__ \ |_| | (_| | |_| | | |
| 206 |_| |_| \___/|___/\___/ \__,_|\__, | | |
| 207 A study in simplicity |___/ | |
| 208 | |
| 209 ]] | |
| 210 session.print("Welcome to the Prosody administration console. For a list of commands, type: help"); | |
| 211 session.print("You may find more help on using this console in our online documentation at "); | |
| 212 session.print("http://prosody.im/doc/console\n"); | |
| 213 end |
