prosody
c041495f0546
plugins/mod_groups.lua

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plugins/mod_groups.lua @ 2927:c041495f0546

mod_saslauth: Fail with an error when the requested SASL backend cannot be used.
author Waqas Hussain <waqas20@gmail.com>
date Tue, 23 Mar 2010 20:11:39 +0500
parent 2925:692b3c6c5bd2
child 3054:05b45b1281aa
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10 local groups;
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11 local members;
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12
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13 local groups_file;
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14
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15 local jid, datamanager = require "util.jid", require "util.datamanager";
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16 local jid_bare, jid_prep = jid.bare, jid.prep;
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17
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18 local module_host = module:get_host();
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19
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20 function inject_roster_contacts(username, host, roster)
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21 module:log("warn", "Injecting group members to roster");
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22 local bare_jid = username.."@"..host;
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23 if not members[bare_jid] and not members[false] then return; end -- Not a member of any groups
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24
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25 local function import_jids_to_roster(group_name)
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26 for jid in pairs(groups[group_name]) do
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27 -- Add them to roster
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28 --module:log("debug", "processing jid %s in group %s", tostring(jid), tostring(group_name));
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29 if jid ~= bare_jid then
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30 if not roster[jid] then roster[jid] = {}; end
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31 roster[jid].subscription = "both";
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32 if not roster[jid].groups then
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33 roster[jid].groups = { [group_name] = true };
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34 end
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35 roster[jid].groups[group_name] = true;
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36 roster[jid].persist = false;
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37 end
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38 end
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39 end
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40
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41 -- Find groups this JID is a member of
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42 if members[bare_jid] then
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43 for _, group_name in ipairs(members[bare_jid]) do
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44 module:log("debug", "Importing group %s", group_name);
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45 import_jids_to_roster(group_name);
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46 end
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47 end
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48
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49 -- Import public groups
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50 if members[false] then
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51 for _, group_name in ipairs(members[false]) do
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52 module:log("debug", "Importing group %s", group_name);
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53 import_jids_to_roster(group_name);
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54 end
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55 end
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57 if roster[false] then
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58 roster[false].version = true;
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59 end
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60 end
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61
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62 function remove_virtual_contacts(username, host, datastore, data)
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63 if host == module_host and datastore == "roster" then
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64 local new_roster = {};
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65 for jid, contact in pairs(data) do
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66 if contact.persist ~= false then
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67 new_roster[jid] = contact;
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68 end
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69 end
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70 new_roster[false].version = nil; -- Version is void
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71 return username, host, datastore, new_roster;
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72 end
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73
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74 return username, host, datastore, data;
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75 end
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76
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77 function module.load()
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78 groups_file = config.get(module:get_host(), "core", "groups_file");
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79 if not groups_file then return; end
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80
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81 module:hook("roster-load", inject_roster_contacts);
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82 datamanager.add_callback(remove_virtual_contacts);
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83
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84 groups = { default = {} };
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85 members = { };
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86 local curr_group = "default";
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87 for line in io.lines(groups_file) do
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88 if line:match("^%s*%[.-%]%s*$") then
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89 curr_group = line:match("^%s*%[(.-)%]%s*$");
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90 if curr_group:match("^%+") then
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91 curr_group = curr_group:gsub("^%+", "");
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92 if not members[false] then
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93 members[false] = {};
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94 end
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95 members[false][#members[false]+1] = curr_group; -- Is a public group
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96 end
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97 module:log("debug", "New group: %s", tostring(curr_group));
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98 groups[curr_group] = groups[curr_group] or {};
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99 else
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100 -- Add JID
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101 local jid = jid_prep(line:match("%S+"));
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102 if jid then
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103 module:log("debug", "New member of %s: %s", tostring(curr_group), tostring(jid));
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104 groups[curr_group][jid] = true;
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105 members[jid] = members[jid] or {};
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106 members[jid][#members[jid]+1] = curr_group;
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107 end
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108 end
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109 end
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110 module:log("info", "Groups loaded successfully");
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111 end
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112
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113 function module.unload()
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114 datamanager.remove_callback(remove_virtual_contacts);
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115 end