prosody-modules
00f96207693a
mod_adhoc_cmd_admin/mod_adhoc_cmd_admin.lua

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mod_adhoc_cmd_admin/mod_adhoc_cmd_admin.lua @ 44:00f96207693a

mod_adhoc_cmd_admin: Possibility to limit number of received answers
author Florian Zeitz <florob@babelmonkeys.de>
date Fri, 16 Oct 2009 01:37:10 +0200
parent 43:adc9eff8adb2
child 48:7fbaf590dc12
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1 -- Copyright (C) 2009 Florian Zeitz
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2 --
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3 -- This file is MIT/X11 licensed. Please see the
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4 -- COPYING file in the source package for more information.
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5 --
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6
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7 local _G = _G;
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8
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9 local prosody = _G.prosody;
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10 local hosts = prosody.hosts;
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11
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12 local usermanager_user_exists = require "core.usermanager".user_exists;
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13 local usermanager_create_user = require "core.usermanager".create_user;
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14 local is_admin = require "core.usermanager".is_admin;
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16 local st, jid, uuid = require "util.stanza", require "util.jid", require "util.uuid";
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17 local dataforms_new = require "util.dataforms".new;
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18 local adhoc_new = module:require "adhoc".new;
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19
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20 local sessions = {};
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22 local add_user_layout = dataforms_new{
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23 title = "Adding a User";
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24 instructions = "Fill out this form to add a user.";
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25
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26 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
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27 { name = "accountjid", type = "jid-single", required = true, label = "The Jabber ID for the account to be added" };
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28 { name = "password", type = "text-private", label = "The password for this account" };
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29 { name = "password-verify", type = "text-private", label = "Retype password" };
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30 };
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32 local get_online_users_layout = dataforms_new{
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33 title = "Getting List of Online Users";
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34 instructions = "How many users should be returned at most?";
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35
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36 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
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37 { name = "max_items", type = "list-single", label = "Maximum number of users",
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38 value = { "25", "50", "75", "100", "150", "200", "all" } };
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39 };
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40
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41 function add_user_command_handler(item, origin, stanza)
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42 if not is_admin(stanza.attr.from) then
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43 module:log("warn", "Non-admin %s tried to add a user", tostring(jid.bare(stanza.attr.from)));
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44 origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to add a user"):up()
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45 :add_child(item:cmdtag("canceled")
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46 :tag("note", {type="error"}):text("You don't have permission to add a user")));
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47 return true;
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48 end
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49 if stanza.tags[1].attr.sessionid and sessions[stanza.tags[1].attr.sessionid] then
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50 if stanza.tags[1].attr.action == "cancel" then
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51 origin.send(st.reply(stanza):add_child(item:cmdtag("canceled", stanza.tags[1].attr.sessionid)));
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52 sessions[stanza.tags[1].attr.sessionid] = nil;
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53 return true;
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54 end
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55 form = stanza.tags[1]:child_with_ns("jabber:x:data");
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56 local fields = add_user_layout:data(form);
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57 local username, host, resource = jid.split(fields.accountjid);
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58 if (fields.password == fields["password-verify"]) and username and host and host == stanza.attr.to then
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59 if usermanager_user_exists(username, host) then
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60 origin.send(st.error_reply(stanza, "cancel", "conflict", "Account already exists"):up()
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61 :add_child(item:cmdtag("canceled", stanza.tags[1].attr.sessionid)
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62 :tag("note", {type="error"}):text("Account already exists")));
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63 sessions[stanza.tags[1].attr.sessionid] = nil;
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64 return true;
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65 else
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66 if usermanager_create_user(username, fields.password, host) then
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67 origin.send(st.reply(stanza):add_child(item:cmdtag("completed", stanza.tags[1].attr.sessionid)
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68 :tag("note", {type="info"}):text("Account successfully created")));
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69 sessions[stanza.tags[1].attr.sessionid] = nil;
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70 module:log("debug", "Created new account " .. username.."@"..host);
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71 return true;
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72 else
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73 origin.send(st.error_reply(stanza, "wait", "internal-server-error",
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74 "Failed to write data to disk"):up()
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75 :add_child(item:cmdtag("canceled", stanza.tags[1].attr.sessionid)
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76 :tag("note", {type="error"}):text("Failed to write data to disk")));
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77 sessions[stanza.tags[1].attr.sessionid] = nil;
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78 return true;
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79 end
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80 end
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81 else
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82 module:log("debug", fields.accountjid .. " " .. fields.password .. " " .. fields["password-verify"]);
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83 origin.send(st.error_reply(stanza, "cancel", "conflict",
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84 "Invalid data.\nPassword mismatch, or empty username"):up()
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85 :add_child(item:cmdtag("canceled", stanza.tags[1].attr.sessionid)
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86 :tag("note", {type="error"}):text("Invalid data.\nPassword mismatch, or empty username")));
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87 sessions[stanza.tags[1].attr.sessionid] = nil;
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88 return true;
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89 end
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90 else
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91 local sessionid=uuid.generate();
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92 sessions[sessionid] = "executing";
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93 origin.send(st.reply(stanza):add_child(item:cmdtag("executing", sessionid):add_child(add_user_layout:form())));
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94 end
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95 return true;
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96 end
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97
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98 function get_online_users_command_handler(item, origin, stanza)
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99 if not is_admin(stanza.attr.from) then
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100 origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to request a list of online users"):up()
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101 :add_child(item:cmdtag("canceled")
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102 :tag("note", {type="error"}):text("You don't have permission to request a list of online users")));
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103 return true;
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104 end
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105 if stanza.tags[1].attr.sessionid and sessions[stanza.tags[1].attr.sessionid] then
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106 if stanza.tags[1].attr.action == "cancel" then
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107 origin.send(st.reply(stanza):add_child(item:cmdtag("canceled", stanza.tags[1].attr.sessionid)));
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108 sessions[stanza.tags[1].attr.sessionid] = nil;
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109 return true;
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110 end
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111
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112 form = stanza.tags[1]:child_with_ns("jabber:x:data");
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113 local fields = add_user_layout:data(form);
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114
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115 local max_items = nil
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116 if fields.max_items ~= "all" then
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117 max_items = tonumber(fields.max_items);
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118 end
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119 local count = 0;
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120 local field = st.stanza("field", {label="The list of all online users", var="onlineuserjids", type="text-multi"});
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121 for username, user in pairs(hosts[stanza.attr.to].sessions or {}) do
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122 if (max_items ~= nil) and (count >= max_items) then
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123 break;
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124 end
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125 field:tag("value"):text(username.."@"..stanza.attr.to):up();
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126 count = count + 1;
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127 end
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128 origin.send(st.reply(stanza):add_child(item:cmdtag("completed", stanza.tags[1].attr.sessionid)
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129 :tag("x", {xmlns="jabber:x:data", type="result"})
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130 :tag("field", {type="hidden", var="FORM_TYPE"})
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131 :tag("value"):text("http://jabber.org/protocol/admin"):up():up()
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132 :add_child(field)));
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133 else
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134 local sessionid=uuid.generate();
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135 sessions[sessionid] = "executing";
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136 origin.send(st.reply(stanza):add_child(item:cmdtag("executing", sessionid):add_child(get_online_users_layout:form())));
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137 end
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138
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139 return true;
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140 end
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141
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142 local add_user_desc = adhoc_new("Add User", "http://jabber.org/protocol/admin#add-user", add_user_command_handler, "admin");
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143 local get_online_users_desc = adhoc_new("Get List of Online Users", "http://jabber.org/protocol/admin#get-online-users", get_online_users_command_handler, "admin");
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144
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145 function module.unload()
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146 module:remove_item("adhoc", add_user_desc);
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147 module:remove_item("adhoc", get_online_users_desc);
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148 end
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149
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150 module:add_item("adhoc", add_user_desc);
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151 module:add_item("adhoc", get_online_users_desc);