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tools/xep227toprosody.lua @ 3709:db1c1ddc79e8
tools/xep227toprosody.lua: Convert to use util.xmppstream
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 07 Dec 2010 19:20:33 +0000 |
parent | 3540:bc139431830b |
child | 3710:59fbe4536c69 |
rev | line source |
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1 #!/usr/bin/env lua |
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2 -- Prosody IM |
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3 -- Copyright (C) 2008-2009 Matthew Wild |
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4 -- Copyright (C) 2008-2009 Waqas Hussain |
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5 -- Copyright (C) 2010 Stefan Gehn |
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6 -- |
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7 -- This project is MIT/X11 licensed. Please see the |
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8 -- COPYING file in the source package for more information. |
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9 -- |
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10 |
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11 -- FIXME: XEP-0227 supports XInclude but luaexpat does not |
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12 -- |
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13 -- XEP-227 elements and their current level of support: |
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14 -- Hosts : supported |
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15 -- Users : supported |
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16 -- Rosters : supported, needs testing |
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17 -- Offline Messages : supported, needs testing |
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18 -- Private XML Storage : supported, needs testing |
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19 -- vCards : supported, needs testing |
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20 -- Privacy Lists: UNSUPPORTED |
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21 -- http://xmpp.org/extensions/xep-0227.html#privacy-lists |
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22 -- mod_privacy uses dm.load(username, host, "privacy"); and stores stanzas 1:1 |
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23 -- Incoming Subscription Requests : supported |
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24 |
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25 package.path = package.path..";../?.lua"; |
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26 package.cpath = package.cpath..";../?.so"; -- needed for util.pposix used in datamanager |
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27 |
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28 -- ugly workaround for getting datamanager to work outside of prosody :( |
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29 prosody = { }; |
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30 prosody.platform = "unknown"; |
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31 if os.getenv("WINDIR") then |
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32 prosody.platform = "windows"; |
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33 elseif package.config:sub(1,1) == "/" then |
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34 prosody.platform = "posix"; |
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35 end |
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36 |
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37 local lxp = require "lxp"; |
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38 local st = require "util.stanza"; |
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39 local xmppstream = require "util.xmppstream"; |
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40 local new_xmpp_handlers = xmppstream.new_sax_handlers; |
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41 local dm = require "util.datamanager" |
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42 dm.set_data_path("data"); |
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43 |
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44 local ns_xep227 = "http://www.xmpp.org/extensions/xep-0227.html#ns"; |
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45 local ns_separator = xmppstream.ns_separator; |
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46 local ns_pattern = xmppstream.ns_pattern; |
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47 |
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48 ----------------------------------------------------------------------- |
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49 |
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50 function store_vcard(username, host, stanza) |
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51 -- create or update vCard for username@host |
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52 local ret, err = dm.store(username, host, "vcard", st.preserialize(stanza)); |
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53 print("["..(err or "success").."] stored vCard: "..username.."@"..host); |
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54 end |
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55 |
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56 function store_password(username, host, password) |
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57 -- create or update account for username@host |
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58 local ret, err = dm.store(username, host, "accounts", {password = password}); |
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59 print("["..(err or "success").."] stored account: "..username.."@"..host.." = "..password); |
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60 end |
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61 |
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62 function store_roster(username, host, roster_items) |
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63 -- fetch current roster-table for username@host if he already has one |
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64 local roster = dm.load(username, host, "roster") or {}; |
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65 -- merge imported roster-items with loaded roster |
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66 for item_tag in roster_items:childtags() do |
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67 -- jid for this roster-item |
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68 local item_jid = item_tag.attr.jid |
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69 -- validate item stanzas |
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70 if (item_tag.name == "item") and (item_jid ~= "") then |
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71 -- prepare roster item |
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72 -- TODO: is the subscription attribute optional? |
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73 local item = {subscription = item_tag.attr.subscription, groups = {}}; |
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74 -- optional: give roster item a real name |
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75 if item_tag.attr.name then |
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76 item.name = item_tag.attr.name; |
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77 end |
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78 -- optional: iterate over group stanzas inside item stanza |
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79 for group_tag in item_tag:childtags() do |
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80 local group_name = group_tag:get_text(); |
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81 if (group_tag.name == "group") and (group_name ~= "") then |
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82 item.groups[group_name] = true; |
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83 else |
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84 print("[error] invalid group stanza: "..group_tag:pretty_print()); |
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85 end |
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86 end |
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87 -- store item in roster |
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88 roster[item_jid] = item; |
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89 print("[success] roster entry: " ..username.."@"..host.." - "..item_jid); |
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90 else |
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91 print("[error] invalid roster stanza: " ..item_tag:pretty_print()); |
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92 end |
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93 |
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94 end |
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95 -- store merged roster-table |
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96 local ret, err = dm.store(username, host, "roster", roster); |
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97 print("["..(err or "success").."] stored roster: " ..username.."@"..host); |
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98 end |
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99 |
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100 function store_private(username, host, private_items) |
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101 local private = dm.load(username, host, "private") or {}; |
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102 for ch in private_items:childtags() do |
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103 --print("private :"..ch:pretty_print()); |
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104 private[ch.name..":"..ch.attr.xmlns] = st.preserialize(ch); |
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105 print("[success] private item: " ..username.."@"..host.." - "..ch.name); |
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106 end |
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107 local ret, err = dm.store(username, host, "private", private); |
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108 print("["..(err or "success").."] stored private: " ..username.."@"..host); |
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109 end |
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110 |
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111 function store_offline_messages(username, host, offline_messages) |
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112 -- TODO: maybe use list_load(), append and list_store() instead |
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113 -- of constantly reopening the file with list_append()? |
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114 for ch in offline_messages:childtags() do |
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115 --print("message :"..ch:pretty_print()); |
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116 local ret, err = dm.list_append(username, host, "offline", st.preserialize(ch)); |
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117 print("["..(err or "success").."] stored offline message: " ..username.."@"..host.." - "..ch.attr.from); |
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118 end |
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119 end |
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120 |
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121 |
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122 function store_subscription_request(username, host, presence_stanza) |
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123 local from_bare = presence_stanza.attr.from; |
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124 |
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125 -- fetch current roster-table for username@host if he already has one |
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126 local roster = dm.load(username, host, "roster") or {}; |
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127 |
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128 local item = roster[from_bare]; |
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129 if item and (item.subscription == "from" or item.subscription == "both") then |
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130 return; -- already subscribed, do nothing |
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131 end |
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132 |
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133 -- add to table of pending subscriptions |
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134 if not roster.pending then roster.pending = {}; end |
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135 roster.pending[from_bare] = true; |
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136 |
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137 -- store updated roster-table |
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138 local ret, err = dm.store(username, host, "roster", roster); |
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139 print("["..(err or "success").."] stored subscription request: " ..username.."@"..host.." - "..from_bare); |
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140 end |
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141 |
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142 ----------------------------------------------------------------------- |
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143 |
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144 local curr_host = ""; |
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145 local user_name = ""; |
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146 |
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147 |
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148 local cb = { |
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149 stream_tag = "user", |
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150 stream_ns = ns_xep227, |
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151 }; |
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152 function cb.streamopened(session, attr) |
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153 session.notopen = false; |
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154 user_name = attr.name; |
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155 store_password(user_name, curr_host, attr.password); |
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156 end |
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157 function cb.streamclosed(session) |
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158 session.notopen = true; |
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159 user_name = ""; |
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160 end |
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161 function cb.handlestanza(session, stanza) |
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162 --print("Parsed stanza "..stanza.name.." xmlns: "..(stanza.attr.xmlns or "")); |
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163 if (stanza.name == "vCard") and (stanza.attr.xmlns == "vcard-temp") then |
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164 store_vcard(user_name, curr_host, stanza); |
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165 elseif (stanza.name == "query") then |
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166 if (stanza.attr.xmlns == "jabber:iq:roster") then |
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167 store_roster(user_name, curr_host, stanza); |
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168 elseif (stanza.attr.xmlns == "jabber:iq:private") then |
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169 store_private(user_name, curr_host, stanza); |
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170 end |
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171 elseif (stanza.name == "offline-messages") then |
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172 store_offline_messages(user_name, curr_host, stanza); |
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173 elseif (stanza.name == "presence") and (stanza.attr.xmlns == "jabber:client") then |
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174 store_subscription_request(user_name, curr_host, stanza); |
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175 else |
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176 print("UNHANDLED stanza "..stanza.name.." xmlns: "..(stanza.attr.xmlns or "")); |
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177 end |
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178 end |
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179 |
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180 local user_handlers = new_xmpp_handlers({ notopen = true }, cb); |
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181 |
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182 ----------------------------------------------------------------------- |
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183 |
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184 local lxp_handlers = { |
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185 --count = 0 |
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186 }; |
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187 |
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188 -- TODO: error handling for invalid opening elements if curr_host is empty |
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189 function lxp_handlers.StartElement(parser, elementname, attributes) |
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190 local curr_ns, name = elementname:match(ns_pattern); |
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191 if name == "" then |
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192 curr_ns, name = "", curr_ns; |
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193 end |
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194 --io.write("+ ", string.rep(" ", count), name, " (", curr_ns, ")", "\n") |
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195 --count = count + 1; |
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196 if curr_host ~= "" then |
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197 -- forward to xmlhandlers |
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198 user_handlers:StartElement(elementname, attributes); |
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199 elseif (curr_ns == ns_xep227) and (name == "host") then |
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200 curr_host = attributes["jid"]; -- start of host element |
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201 print("Begin parsing host "..curr_host); |
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202 elseif (curr_ns ~= ns_xep227) or (name ~= "server-data") then |
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203 io.stderr:write("Unhandled XML element: ", name, "\n"); |
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204 os.exit(1); |
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205 end |
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206 end |
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207 |
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208 -- TODO: error handling for invalid closing elements if host is empty |
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209 function lxp_handlers.EndElement(parser, elementname) |
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210 local curr_ns, name = elementname:match(ns_pattern); |
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211 if name == "" then |
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212 curr_ns, name = "", curr_ns; |
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213 end |
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214 --count = count - 1; |
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215 --io.write("- ", string.rep(" ", count), name, " (", curr_ns, ")", "\n") |
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216 if curr_host ~= "" then |
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217 if (curr_ns == ns_xep227) and (name == "host") then |
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218 print("End parsing host "..curr_host); |
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219 curr_host = "" -- end of host element |
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220 else |
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221 -- forward to xmlhandlers |
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222 user_handlers:EndElement(elementname); |
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223 end |
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224 elseif (curr_ns ~= ns_xep227) or (name ~= "server-data") then |
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225 io.stderr:write("Unhandled XML element: ", name, "\n"); |
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226 os.exit(1); |
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227 end |
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228 end |
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229 |
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230 function lxp_handlers.CharacterData(parser, string) |
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231 if curr_host ~= "" then |
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232 -- forward to xmlhandlers |
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233 user_handlers:CharacterData(string); |
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234 end |
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235 end |
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236 |
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237 ----------------------------------------------------------------------- |
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238 |
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239 local arg = ...; |
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240 local help = "/? -? ? /h -h /help -help --help"; |
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241 if not arg or help:find(arg, 1, true) then |
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242 print([[XEP-227 importer for Prosody |
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243 |
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244 Usage: xep227toprosody.lua filename.xml |
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245 |
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246 ]]); |
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247 os.exit(1); |
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248 end |
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249 |
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250 local file = io.open(arg); |
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251 if not file then |
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252 io.stderr:write("Could not open file: ", arg, "\n"); |
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253 os.exit(0); |
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254 end |
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255 |
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256 local parser = lxp.new(lxp_handlers, ns_separator); |
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257 for l in file:lines() do |
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258 parser:parse(l); |
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259 end |
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260 parser:parse(); |
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261 parser:close(); |
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262 file:close(); |