Sat, 17 Oct 2009 23:48:30 +0500
modulemanager: Slightly rearranged code for more robust unloading of modules.
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1 | -- Prosody IM |
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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 | -- |
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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 = { default = {} }; |
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11 | local members = { [false] = {} }; |
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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] 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 | for _, group_name in ipairs(members[bare_jid]) do |
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43 | import_jids_to_roster(group_name); |
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44 | end |
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45 | |
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46 | -- Import public groups |
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47 | for _, group_name in ipairs(members[false]) do |
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48 | import_jids_to_roster(group_name); |
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49 | end |
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50 | end |
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51 | |
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52 | function remove_virtual_contacts(username, host, datastore, data) |
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53 | if host == module_host and datastore == "roster" then |
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54 | local new_roster = {}; |
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55 | for jid, contact in pairs(data) do |
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56 | if contact.persist ~= false then |
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57 | new_roster[jid] = contact; |
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58 | end |
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59 | end |
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60 | return username, host, datastore, new_roster; |
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61 | end |
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62 | |
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63 | return username, host, datastore, data; |
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64 | end |
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65 | |
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66 | function module.load() |
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67 | groups_file = config.get(module:get_host(), "core", "groups_file"); |
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68 | if not groups_file then return; end |
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69 | |
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70 | module:hook("roster-load", inject_roster_contacts); |
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71 | datamanager.add_callback(remove_virtual_contacts); |
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72 | |
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73 | groups = { default = {} }; |
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74 | members = { [false] = {} }; |
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75 | local curr_group = "default"; |
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76 | for line in io.lines(groups_file) do |
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77 | if line:match("^%s*%[.-%]%s*$") then |
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78 | curr_group = line:match("^%s*%[(.-)%]%s*$"); |
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79 | if curr_group:match("^%+") then |
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80 | curr_group = curr_group:gsub("^%+", ""); |
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81 | members[false][#members[false]+1] = curr_group; -- Is a public group |
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82 | end |
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83 | module:log("debug", "New group: %s", tostring(curr_group)); |
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84 | groups[curr_group] = groups[curr_group] or {}; |
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85 | else |
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86 | -- Add JID |
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87 | local jid = jid_prep(line); |
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88 | if jid then |
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89 | module:log("debug", "New member of %s: %s", tostring(curr_group), tostring(jid)); |
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90 | groups[curr_group][jid] = true; |
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91 | members[jid] = members[jid] or {}; |
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92 | members[jid][#members[jid]+1] = curr_group; |
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93 | end |
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94 | end |
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95 | end |
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96 | module:log("info", "Groups loaded successfully"); |
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97 | end |
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98 | |
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99 | function module.unload() |
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100 | datamanager.remove_callback(remove_virtual_contacts); |
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101 | end |