Annotate

util/prosodyctl/shell.lua @ 13047:d939bf469057

util.human.io: Prefer using the $COLUMNS environment variable if set (by readline) Feels like it should be faster.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Apr 2023 13:42:20 +0200 (20 months ago)
parent 13046:4c3dc767fb11
child 13050:4ae759490e31
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 local config = require "prosody.core.configmanager";
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2 local server = require "prosody.net.server";
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3 local st = require "prosody.util.stanza";
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4 local path = require "prosody.util.paths";
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5 local parse_args = require "prosody.util.argparse".parse;
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6 local unpack = table.unpack or _G.unpack;
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7 local tc = require "prosody.util.termcolours";
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8 local isatty = require "prosody.util.pposix".isatty;
13046
4c3dc767fb11 util.prosodyctl.shell: Use new term_width() for width
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9 local term_width = require"prosody.util.human.io".term_width;
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10
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11 local have_readline, readline = pcall(require, "readline");
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12
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d10957394a3c util: Prefix module imports with prosody namespace
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13 local adminstream = require "prosody.util.adminstream";
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14
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15 if have_readline then
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16 readline.set_readline_name("prosody");
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2b015ef8cd06 util.prosodyctl.shell: Save readline history
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17 readline.set_options({
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18 histfile = path.join(prosody.paths.data, ".shell_history");
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19 ignoredups = true;
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20 });
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21 end
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22
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23 local function read_line(prompt_string)
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24 if have_readline then
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25 return readline.readline(prompt_string);
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26 else
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27 io.write(prompt_string);
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28 return io.read("*line");
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29 end
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30 end
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31
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32 local function send_line(client, line)
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d939bf469057 util.human.io: Prefer using the $COLUMNS environment variable if set (by readline)
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33 client.send(st.stanza("repl-input", { width = term_width() }):text(line));
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34 end
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35
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36 local function repl(client)
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37 local line = read_line(client.prompt_string or "prosody> ");
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38 if not line or line == "quit" or line == "exit" or line == "bye" then
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39 if not line then
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40 print("");
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41 end
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2b015ef8cd06 util.prosodyctl.shell: Save readline history
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42 if have_readline then
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43 readline.save_history();
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44 end
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3dfb87814d65 util.prosodyctl.shell: Close state on exit to fix saving shell history
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45 os.exit(0, true);
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46 end
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47 send_line(client, line);
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48 end
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49
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50 local function printbanner()
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98fd531594bd util.prosodyctl.shell: Bring back banner set from config!
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51 local banner = config.get("*", "console_banner");
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52 if banner then return print(banner); end
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53 print([[
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54 ____ \ / _
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55 | _ \ _ __ ___ ___ _-_ __| |_ _
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56 | |_) | '__/ _ \/ __|/ _ \ / _` | | | |
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57 | __/| | | (_) \__ \ |_| | (_| | |_| |
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58 |_| |_| \___/|___/\___/ \__,_|\__, |
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59 A study in simplicity |___/
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60
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61 ]]);
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62 print("Welcome to the Prosody administration console. For a list of commands, type: help");
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63 print("You may find more help on using this console in our online documentation at ");
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64 print("https://prosody.im/doc/console\n");
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65 end
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66
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67 local function start(arg) --luacheck: ignore 212/arg
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68 local client = adminstream.client();
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69 local opts, err, where = parse_args(arg);
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70 local ttyout = isatty(io.stdout);
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71
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72 if not opts then
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73 if err == "param-not-found" then
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74 print("Unknown command-line option: "..tostring(where));
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75 elseif err == "missing-value" then
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76 print("Expected a value to follow command-line option: "..where);
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77 end
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78 os.exit(1);
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79 end
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80
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81 if arg[1] then
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82 if arg[2] then
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83 -- prosodyctl shell module reload foo bar.com --> module:reload("foo", "bar.com")
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84 arg[1] = string.format("%s:%s("..string.rep("%q", #arg-2,", ")..")", unpack(arg));
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85 end
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86
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87 client.events.add_handler("connected", function()
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88 client.send(st.stanza("repl-input"):text(arg[1]));
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89 return true;
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90 end, 1);
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91
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92 local errors = 0; -- TODO This is weird, but works for now.
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93 client.events.add_handler("received", function(stanza)
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94 if stanza.name == "repl-output" or stanza.name == "repl-result" then
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95 local dest = io.stdout;
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96 if stanza.attr.type == "error" then
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97 errors = errors + 1;
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98 dest = io.stderr;
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99 end
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100 if stanza.attr.eol == "0" then
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101 dest:write(stanza:get_text());
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102 else
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103 dest:write(stanza:get_text(), "\n");
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104 end
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105 end
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106 if stanza.name == "repl-result" then
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107 os.exit(errors);
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108 end
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109 return true;
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110 end, 1);
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111 end
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112
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113 client.events.add_handler("connected", function ()
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114 if not opts.quiet then
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115 printbanner();
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116 end
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117 repl(client);
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118 end);
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119
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120 client.events.add_handler("disconnected", function ()
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121 print("--- session closed ---");
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122 os.exit(0, true);
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123 end);
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124
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125 client.events.add_handler("received", function (stanza)
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126 if stanza.name == "repl-output" or stanza.name == "repl-result" then
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127 local result_prefix = stanza.attr.type == "error" and "!" or "|";
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128 local out = result_prefix.." "..stanza:get_text();
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129 if ttyout and stanza.attr.type == "error" then
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130 out = tc.getstring(tc.getstyle("red"), out);
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131 end
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132 print(out);
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133 end
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134 if stanza.name == "repl-result" then
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135 repl(client);
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136 end
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137 end);
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138
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139 client.prompt_string = config.get("*", "admin_shell_prompt");
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140
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141 local socket_path = path.resolve_relative_path(prosody.paths.data, opts.socket or config.get("*", "admin_socket") or "prosody.sock");
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142 local conn = adminstream.connection(socket_path, client.listeners);
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143 local ok, err = conn:connect();
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144 if not ok then
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145 if err == "no unix socket support" then
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146 print("** LuaSocket unix socket support not available or incompatible, ensure your");
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147 print("** version is up to date.");
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148 else
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149 print("** Unable to connect to server - is it running? Is mod_admin_shell enabled?");
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150 print("** Connection error: "..err);
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151 end
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152 os.exit(1);
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153 end
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154 server.loop();
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155 end
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156
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157 return {
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e5dee71d0ebb prosodyctl+util.prosodyctl.*: Start breaking up the ever-growing prosodyctl
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158 shell = start;
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159 };