prosody
5ce783c37024
tools/xep227toprosody.lua

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tools/xep227toprosody.lua @ 6869:5ce783c37024

xep227toprosody: Pass parser to callbacks (needed since addition of stanza size limits)
author Kim Alvefur <zash@zash.se>
date Fri, 18 Sep 2015 16:14:43 +0200
parent 5989:5aaddafe0beb
child 6870:d5b416070f70
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 local my_name = arg[0];
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29 if my_name:match("[/\\]") then
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30 package.path = package.path..";"..my_name:gsub("[^/\\]+$", "../?.lua");
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31 package.cpath = package.cpath..";"..my_name:gsub("[^/\\]+$", "../?.so");
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32 end
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33
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34 -- ugly workaround for getting datamanager to work outside of prosody :(
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35 prosody = { };
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36 prosody.platform = "unknown";
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37 if os.getenv("WINDIR") then
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38 prosody.platform = "windows";
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39 elseif package.config:sub(1,1) == "/" then
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40 prosody.platform = "posix";
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41 end
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42
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43 local lxp = require "lxp";
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44 local st = require "util.stanza";
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45 local xmppstream = require "util.xmppstream";
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46 local new_xmpp_handlers = xmppstream.new_sax_handlers;
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47 local dm = require "util.datamanager"
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48 dm.set_data_path("data");
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49
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50 local ns_separator = xmppstream.ns_separator;
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51 local ns_pattern = xmppstream.ns_pattern;
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52
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53 local xmlns_xep227 = "http://www.xmpp.org/extensions/xep-0227.html#ns";
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54
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55 -----------------------------------------------------------------------
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56
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57 function store_vcard(username, host, stanza)
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58 -- create or update vCard for username@host
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59 local ret, err = dm.store(username, host, "vcard", st.preserialize(stanza));
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60 print("["..(err or "success").."] stored vCard: "..username.."@"..host);
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61 end
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62
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63 function store_password(username, host, password)
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64 -- create or update account for username@host
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65 local ret, err = dm.store(username, host, "accounts", {password = password});
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66 print("["..(err or "success").."] stored account: "..username.."@"..host.." = "..password);
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67 end
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68
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69 function store_roster(username, host, roster_items)
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70 -- fetch current roster-table for username@host if he already has one
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71 local roster = dm.load(username, host, "roster") or {};
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72 -- merge imported roster-items with loaded roster
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73 for item_tag in roster_items:childtags("item") do
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74 -- jid for this roster-item
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75 local item_jid = item_tag.attr.jid
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76 -- validate item stanzas
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77 if (item_jid ~= "") then
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78 -- prepare roster item
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79 -- TODO: is the subscription attribute optional?
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80 local item = {subscription = item_tag.attr.subscription, groups = {}};
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81 -- optional: give roster item a real name
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82 if item_tag.attr.name then
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83 item.name = item_tag.attr.name;
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84 end
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85 -- optional: iterate over group stanzas inside item stanza
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86 for group_tag in item_tag:childtags("group") do
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87 local group_name = group_tag:get_text();
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88 if (group_name ~= "") then
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89 item.groups[group_name] = true;
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90 else
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91 print("[error] invalid group stanza: "..group_tag:pretty_print());
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92 end
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93 end
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94 -- store item in roster
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95 roster[item_jid] = item;
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96 print("[success] roster entry: " ..username.."@"..host.." - "..item_jid);
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97 else
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98 print("[error] invalid roster stanza: " ..item_tag:pretty_print());
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99 end
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100
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101 end
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102 -- store merged roster-table
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103 local ret, err = dm.store(username, host, "roster", roster);
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104 print("["..(err or "success").."] stored roster: " ..username.."@"..host);
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105 end
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106
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107 function store_private(username, host, private_items)
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108 local private = dm.load(username, host, "private") or {};
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109 for _, ch in ipairs(private_items.tags) do
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110 --print("private :"..ch:pretty_print());
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111 private[ch.name..":"..ch.attr.xmlns] = st.preserialize(ch);
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112 print("[success] private item: " ..username.."@"..host.." - "..ch.name);
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113 end
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114 local ret, err = dm.store(username, host, "private", private);
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115 print("["..(err or "success").."] stored private: " ..username.."@"..host);
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116 end
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117
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118 function store_offline_messages(username, host, offline_messages)
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119 -- TODO: maybe use list_load(), append and list_store() instead
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120 -- of constantly reopening the file with list_append()?
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121 for ch in offline_messages:childtags("message", "jabber:client") do
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122 --print("message :"..ch:pretty_print());
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123 local ret, err = dm.list_append(username, host, "offline", st.preserialize(ch));
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124 print("["..(err or "success").."] stored offline message: " ..username.."@"..host.." - "..ch.attr.from);
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parents: 2508
diff changeset
125 end
2507
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126 end
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127
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128
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129 function store_subscription_request(username, host, presence_stanza)
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130 local from_bare = presence_stanza.attr.from;
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131
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132 -- fetch current roster-table for username@host if he already has one
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133 local roster = dm.load(username, host, "roster") or {};
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134
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135 local item = roster[from_bare];
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136 if item and (item.subscription == "from" or item.subscription == "both") then
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137 return; -- already subscribed, do nothing
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138 end
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139
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140 -- add to table of pending subscriptions
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141 if not roster.pending then roster.pending = {}; end
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142 roster.pending[from_bare] = true;
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143
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144 -- store updated roster-table
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145 local ret, err = dm.store(username, host, "roster", roster);
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146 print("["..(err or "success").."] stored subscription request: " ..username.."@"..host.." - "..from_bare);
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147 end
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148
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149 -----------------------------------------------------------------------
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150
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151 local curr_host = "";
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152 local user_name = "";
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153
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154
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155 local cb = {
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156 stream_tag = "user",
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157 stream_ns = xmlns_xep227,
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158 };
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159 function cb.streamopened(session, attr)
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160 session.notopen = false;
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161 user_name = attr.name;
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162 store_password(user_name, curr_host, attr.password);
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163 end
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164 function cb.streamclosed(session)
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165 session.notopen = true;
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166 user_name = "";
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167 end
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168 function cb.handlestanza(session, stanza)
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169 --print("Parsed stanza "..stanza.name.." xmlns: "..(stanza.attr.xmlns or ""));
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170 if (stanza.name == "vCard") and (stanza.attr.xmlns == "vcard-temp") then
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171 store_vcard(user_name, curr_host, stanza);
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172 elseif (stanza.name == "query") then
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173 if (stanza.attr.xmlns == "jabber:iq:roster") then
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174 store_roster(user_name, curr_host, stanza);
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175 elseif (stanza.attr.xmlns == "jabber:iq:private") then
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176 store_private(user_name, curr_host, stanza);
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177 end
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178 elseif (stanza.name == "offline-messages") then
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179 store_offline_messages(user_name, curr_host, stanza);
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180 elseif (stanza.name == "presence") and (stanza.attr.xmlns == "jabber:client") then
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181 store_subscription_request(user_name, curr_host, stanza);
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182 else
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183 print("UNHANDLED stanza "..stanza.name.." xmlns: "..(stanza.attr.xmlns or ""));
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184 end
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185 end
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186
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187 local user_handlers = new_xmpp_handlers({ notopen = true }, cb);
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188
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189 -----------------------------------------------------------------------
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190
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191 local lxp_handlers = {
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192 --count = 0
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193 };
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194
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195 -- TODO: error handling for invalid opening elements if curr_host is empty
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196 function lxp_handlers.StartElement(parser, elementname, attributes)
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197 local curr_ns, name = elementname:match(ns_pattern);
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198 if name == "" then
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199 curr_ns, name = "", curr_ns;
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200 end
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201 --io.write("+ ", string.rep(" ", count), name, " (", curr_ns, ")", "\n")
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202 --count = count + 1;
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
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203 if curr_host ~= "" then
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
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204 -- forward to xmlhandlers
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parents: 5989
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205 user_handlers.StartElement(parser, elementname, attributes);
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parents: 3709
diff changeset
206 elseif (curr_ns == xmlns_xep227) and (name == "host") then
2507
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207 curr_host = attributes["jid"]; -- start of host element
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208 print("Begin parsing host "..curr_host);
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59fbe4536c69 tools/xep227toprosody.lua: Rename ns_xep227 to xmlns_xep227 for consistency with main Prosody code
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parents: 3709
diff changeset
209 elseif (curr_ns ~= xmlns_xep227) or (name ~= "server-data") then
2507
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210 io.stderr:write("Unhandled XML element: ", name, "\n");
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211 os.exit(1);
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Waqas Hussain <waqas20@gmail.com>
parents:
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212 end
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213 end
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parents:
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214
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215 -- TODO: error handling for invalid closing elements if host is empty
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parents:
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216 function lxp_handlers.EndElement(parser, elementname)
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217 local curr_ns, name = elementname:match(ns_pattern);
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218 if name == "" then
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219 curr_ns, name = "", curr_ns;
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220 end
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221 --count = count - 1;
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222 --io.write("- ", string.rep(" ", count), name, " (", curr_ns, ")", "\n")
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223 if curr_host ~= "" then
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parents: 3709
diff changeset
224 if (curr_ns == xmlns_xep227) and (name == "host") then
2507
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Waqas Hussain <waqas20@gmail.com>
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225 print("End parsing host "..curr_host);
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Waqas Hussain <waqas20@gmail.com>
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226 curr_host = "" -- end of host element
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
Waqas Hussain <waqas20@gmail.com>
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diff changeset
227 else
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228 -- forward to xmlhandlers
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parents: 5989
diff changeset
229 user_handlers.EndElement(parser, elementname);
2507
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230 end
3710
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parents: 3709
diff changeset
231 elseif (curr_ns ~= xmlns_xep227) or (name ~= "server-data") then
2507
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232 io.stderr:write("Unhandled XML element: ", name, "\n");
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233 os.exit(1);
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parents:
diff changeset
234 end
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
235 end
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
236
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
Waqas Hussain <waqas20@gmail.com>
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diff changeset
237 function lxp_handlers.CharacterData(parser, string)
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
238 if curr_host ~= "" then
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
239 -- forward to xmlhandlers
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parents: 5989
diff changeset
240 user_handlers.CharacterData(parser, string);
2507
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Waqas Hussain <waqas20@gmail.com>
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diff changeset
241 end
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Waqas Hussain <waqas20@gmail.com>
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diff changeset
242 end
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parents:
diff changeset
243
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
Waqas Hussain <waqas20@gmail.com>
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diff changeset
244 -----------------------------------------------------------------------
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245
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246 local arg = ...;
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
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247 local help = "/? -? ? /h -h /help -help --help";
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parents:
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248 if not arg or help:find(arg, 1, true) then
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
249 print([[XEP-227 importer for Prosody
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
250
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
Waqas Hussain <waqas20@gmail.com>
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251 Usage: xep227toprosody.lua filename.xml
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Waqas Hussain <waqas20@gmail.com>
parents:
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252
a8ce11633597 xep227toprosody: Initial commit (thanks stefan).
Waqas Hussain <waqas20@gmail.com>
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253 ]]);
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254 os.exit(1);
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255 end
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256
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257 local file = io.open(arg);
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258 if not file then
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259 io.stderr:write("Could not open file: ", arg, "\n");
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260 os.exit(0);
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261 end
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262
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263 local parser = lxp.new(lxp_handlers, ns_separator);
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264 for l in file:lines() do
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265 parser:parse(l);
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266 end
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267 parser:parse();
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268 parser:close();
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269 file:close();