prosody
25237002aba4
plugins/mod_storage_internal.lua

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plugins/mod_storage_internal.lua @ 8269:25237002aba4

mod_limits: Handle fractional outstanding balance values (caused by e3f7b6fa46ba) Fractional values were passed to string.sub() when doing buffer manipulations, and caused random bytes to be skipped in the stream.
author Matthew Wild <mwild1@gmail.com>
date Tue, 26 Sep 2017 17:48:33 +0100
parent 8173:3ff99d49082f
child 8309:5281c479955a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4085
7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local datamanager = require "core.storagemanager".olddm;
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2 local array = require "util.array";
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3 local datetime = require "util.datetime";
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4 local st = require "util.stanza";
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5 local now = require "util.time".now;
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6 local id = require "util.id".medium;
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7
7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
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parents:
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8 local host = module.host;
7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
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9
5122
b41c33dc7c36 mod_storage_*: Don't explicitly set driver name, to ease copying/renaming modules.
Waqas Hussain <waqas20@gmail.com>
parents: 5121
diff changeset
10 local driver = {};
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11
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688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
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12 function driver:open(store, typ)
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13 local mt = self[typ or "keyval"]
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14 if not mt then
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7cf6d3a2c855 mod_storage_{none,internal,sql}: Return error for unsupported (everything but keyval) store types
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15 return nil, "unsupported-store";
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16 end
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17 return setmetatable({ store = store, type = typ }, mt);
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7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
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18 end
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19
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342ce07836de mod_storage_internal: Ignore unused 'self' argument [luacheck]
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20 function driver:stores(username) -- luacheck: ignore 212/self
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21 return datamanager.stores(username, host);
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22 end
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23
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24 function driver:purge(user) -- luacheck: ignore 212/self
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25 return datamanager.purge(user, host);
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26 end
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27
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28 local keyval = { };
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29 driver.keyval = { __index = keyval };
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30
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31 function keyval:get(user)
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32 return datamanager.load(user, host, self.store);
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33 end
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34
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35 function keyval:set(user, data)
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36 return datamanager.store(user, host, self.store, data);
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parents:
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37 end
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38
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39 function keyval:users()
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40 return datamanager.users(host, self.store, self.type);
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41 end
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42
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43 local archive = {};
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44 driver.archive = { __index = archive };
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45
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46 function archive:append(username, key, value, when, with)
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47 key = key or id();
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48 when = when or now();
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49 if not st.is_stanza(value) then
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50 return nil, "unsupported-datatype";
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51 end
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52 value = st.preserialize(st.clone(value));
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53 value.key = key;
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54 value.when = when;
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55 value.with = with;
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56 value.attr.stamp = datetime.datetime(when);
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57 value.attr.stamp_legacy = datetime.legacy(when);
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58 local ok, err = datamanager.list_append(username, host, self.store, value);
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59 if not ok then return ok, err; end
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60 return key;
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61 end
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62
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63 function archive:find(username, query)
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64 local items, err = datamanager.list_load(username, host, self.store);
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65 if not items then
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66 if err then
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67 return items, err;
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68 else
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69 return function () end, 0;
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70 end
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71 end
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72 local count = #items;
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73 local i = 0;
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74 if query then
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75 items = array(items);
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76 if query.key then
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77 items:filter(function (item)
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78 return item.key == query.key;
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79 end);
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80 end
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81 if query.with then
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82 items:filter(function (item)
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83 return item.with == query.with;
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84 end);
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85 end
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86 if query.start then
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87 items:filter(function (item)
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88 return item.when >= query.start;
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89 end);
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90 end
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91 if query["end"] then
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92 items:filter(function (item)
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93 return item.when <= query["end"];
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94 end);
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95 end
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96 count = #items;
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97 if query.reverse then
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98 items:reverse();
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99 if query.before then
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100 for j = 1, count do
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101 if (items[j].key or tostring(j)) == query.before then
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102 i = j;
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103 break;
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104 end
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105 end
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106 end
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107 elseif query.after then
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108 for j = 1, count do
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109 if (items[j].key or tostring(j)) == query.after then
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110 i = j;
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111 break;
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112 end
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113 end
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114 end
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115 if query.limit and #items - i > query.limit then
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116 items[i+query.limit+1] = nil;
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117 end
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118 end
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119 return function ()
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120 i = i + 1;
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121 local item = items[i];
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122 if not item then return; end
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123 local key = item.key or tostring(i);
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124 local when = item.when or datetime.parse(item.attr.stamp);
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125 local with = item.with;
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126 item.key, item.when, item.with = nil, nil, nil;
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127 item.attr.stamp = nil;
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128 item.attr.stamp_legacy = nil;
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129 item = st.deserialize(item);
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130 return key, item, when, with;
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131 end, count;
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132 end
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133
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134 function archive:dates(username)
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135 local items, err = datamanager.list_load(username, host, self.store);
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136 if not items then return items, err; end
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137 return array(items):pluck("when"):map(datetime.date):unique();
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138 end
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139
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140 function archive:delete(username, query)
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parents: 8021
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141 if not query or next(query) == nil then
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142 return datamanager.list_store(username, host, self.store, nil);
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parents: 8021
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143 end
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Kim Alvefur <zash@zash.se>
parents: 8021
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144 for k in pairs(query) do
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145 if k ~= "end" then return nil, "unsupported-query-field"; end
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parents: 8021
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146 end
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147 local items, err = datamanager.list_load(username, host, self.store);
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parents: 8142
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148 if not items then
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Kim Alvefur <zash@zash.se>
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149 if err then
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Kim Alvefur <zash@zash.se>
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150 return items, err;
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151 end
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Kim Alvefur <zash@zash.se>
parents: 8142
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152 -- Store is empty
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Kim Alvefur <zash@zash.se>
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153 return 0;
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154 end
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Kim Alvefur <zash@zash.se>
parents: 8021
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155 items = array(items);
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Kim Alvefur <zash@zash.se>
parents: 8089
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156 local count_before = #items;
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parents: 8021
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157 items:filter(function (item)
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Kim Alvefur <zash@zash.se>
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158 return item.when > query["end"];
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Kim Alvefur <zash@zash.se>
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159 end);
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Kim Alvefur <zash@zash.se>
parents: 8089
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160 local count = count_before - #items;
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Kim Alvefur <zash@zash.se>
parents: 8021
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161 local ok, err = datamanager.list_store(username, host, self.store, items);
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162 if not ok then return ok, err; end
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Kim Alvefur <zash@zash.se>
parents: 8021
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163 return count;
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Kim Alvefur <zash@zash.se>
parents: 8021
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164 end
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parents: 8021
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165
5121
b5a5643f8572 core.storagemanager, mod_storage_*: "data-driver" -> "storage-provider", to allow using module:provides().
Waqas Hussain <waqas20@gmail.com>
parents: 5039
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166 module:provides("storage", driver);