prosody
3d27f5855f4b
plugins/mod_storage_xep0227.lua

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plugins/mod_storage_xep0227.lua @ 6697:3d27f5855f4b

mod_storage_xep0227: Use configured storage path
author Kim Alvefur <zash@zash.se>
date Fri, 15 May 2015 15:16:03 +0200
parent 6696:6d717795708a
child 6698:95a8aeca1fc9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 local ipairs, pairs = ipairs, pairs;
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3 local setmetatable = setmetatable;
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4 local tostring = tostring;
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5 local next = next;
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6 local t_remove = table.remove;
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7 local os_remove = os.remove;
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8 local io_open = io.open;
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9
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3d27f5855f4b mod_storage_xep0227: Use configured storage path
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10 local paths = require"util.paths";
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11 local st = require "util.stanza";
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12 local parse_xml_real = require "util.xml".parse;
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13
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14 local function getXml(user, host)
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15 local jid = user.."@"..host;
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16 local path = paths.join(prosody.paths.data, jid..".xml");
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17 local f = io_open(path);
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18 if not f then return; end
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19 local s = f:read("*a");
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20 return parse_xml_real(s);
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21 end
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22 local function setXml(user, host, xml)
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23 local jid = user.."@"..host;
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24 local path = paths.join(prosody.paths.data, jid..".xml");
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25 if xml then
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26 local f = io_open(path, "w");
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27 if not f then return; end
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28 local s = tostring(xml);
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29 f:write(s);
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30 f:close();
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31 return true;
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32 else
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33 return os_remove(path);
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34 end
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35 end
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36 local function getUserElement(xml)
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37 if xml and xml.name == "server-data" then
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38 local host = xml.tags[1];
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39 if host and host.name == "host" then
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40 local user = host.tags[1];
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41 if user and user.name == "user" then
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42 return user;
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43 end
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44 end
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45 end
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46 end
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47 local function createOuterXml(user, host)
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48 return st.stanza("server-data", {xmlns='http://www.xmpp.org/extensions/xep-0227.html#ns'})
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49 :tag("host", {jid=host})
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50 :tag("user", {name = user});
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51 end
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52 local function removeFromArray(array, value)
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53 for i,item in ipairs(array) do
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54 if item == value then
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55 t_remove(array, i);
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56 return;
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57 end
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58 end
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59 end
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60 local function removeStanzaChild(s, child)
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61 removeFromArray(s.tags, child);
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62 removeFromArray(s, child);
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63 end
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64
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65 local handlers = {};
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66
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67 handlers.accounts = {
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68 get = function(self, user)
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69 local user = getUserElement(getXml(user, self.host));
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70 if user and user.attr.password then
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71 return { password = user.attr.password };
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72 end
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73 end;
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74 set = function(self, user, data)
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75 if data and data.password then
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76 local xml = getXml(user, self.host);
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77 if not xml then xml = createOuterXml(user, self.host); end
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78 local usere = getUserElement(xml);
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79 usere.attr.password = data.password;
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80 return setXml(user, self.host, xml);
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81 else
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82 return setXml(user, self.host, nil);
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83 end
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84 end;
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85 };
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86 handlers.vcard = {
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87 get = function(self, user)
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88 local user = getUserElement(getXml(user, self.host));
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89 if user then
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90 local vcard = user:get_child("vCard", 'vcard-temp');
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91 if vcard then
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92 return st.preserialize(vcard);
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93 end
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94 end
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95 end;
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96 set = function(self, user, data)
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97 local xml = getXml(user, self.host);
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98 local usere = xml and getUserElement(xml);
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99 if usere then
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100 local vcard = usere:get_child("vCard", 'vcard-temp');
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101 if vcard then
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102 removeStanzaChild(usere, vcard);
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103 elseif not data then
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104 return true;
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105 end
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106 if data then
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107 vcard = st.deserialize(data);
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108 usere:add_child(vcard);
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109 end
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110 return setXml(user, self.host, xml);
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111 end
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112 return true;
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113 end;
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114 };
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115 handlers.private = {
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116 get = function(self, user)
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117 local user = getUserElement(getXml(user, self.host));
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118 if user then
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119 local private = user:get_child("query", "jabber:iq:private");
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120 if private then
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121 local r = {};
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122 for _, tag in ipairs(private.tags) do
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123 r[tag.name..":"..tag.attr.xmlns] = st.preserialize(tag);
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124 end
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125 return r;
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126 end
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127 end
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128 end;
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129 set = function(self, user, data)
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130 local xml = getXml(user, self.host);
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131 local usere = xml and getUserElement(xml);
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132 if usere then
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133 local private = usere:get_child("query", 'jabber:iq:private');
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134 if private then removeStanzaChild(usere, private); end
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135 if data and next(data) ~= nil then
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136 private = st.stanza("query", {xmlns='jabber:iq:private'});
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137 for _,tag in pairs(data) do
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138 private:add_child(st.deserialize(tag));
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139 end
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140 usere:add_child(private);
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141 end
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142 return setXml(user, self.host, xml);
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143 end
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144 return true;
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145 end;
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146 };
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147
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148 -----------------------------
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149 local driver = {};
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150
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151 function driver:open(host, datastore, typ)
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152 local instance = setmetatable({}, self);
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153 instance.host = host;
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154 instance.datastore = datastore;
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155 local handler = handlers[datastore];
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156 if not handler then return nil; end
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157 for key,val in pairs(handler) do
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158 instance[key] = val;
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159 end
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160 if instance.init then instance:init(); end
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161 return instance;
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162 end
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163
5121
b5a5643f8572 core.storagemanager, mod_storage_*: "data-driver" -> "storage-provider", to allow using module:provides().
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164 module:provides("storage", driver);