Fri, 05 Dec 2008 19:40:46 +0000
Don't say we need TLS after we've already started the handshake
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1 | -- Prosody IM v0.1 |
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2 | -- Copyright (C) 2008 Matthew Wild |
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3 | -- Copyright (C) 2008 Waqas Hussain |
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4 | -- |
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5 | -- This program is free software; you can redistribute it and/or |
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6 | -- modify it under the terms of the GNU General Public License |
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7 | -- as published by the Free Software Foundation; either version 2 |
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8 | -- of the License, or (at your option) any later version. |
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9 | -- |
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10 | -- This program is distributed in the hope that it will be useful, |
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11 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | -- GNU General Public License for more details. |
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14 | -- |
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15 | -- You should have received a copy of the GNU General Public License |
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16 | -- along with this program; if not, write to the Free Software |
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17 | -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 | -- |
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19 | |
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20 | |
0 | 21 | local format = string.format; |
22 | local setmetatable, type = setmetatable, type; | |
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23 | local pairs, ipairs = pairs, ipairs; |
0 | 24 | local char = string.char; |
25 | local loadfile, setfenv, pcall = loadfile, setfenv, pcall; | |
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26 | local log = require "util.logger".init("datamanager"); |
0 | 27 | local io_open = io.open; |
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28 | local os_remove = os.remove; |
267 | 29 | local tostring, tonumber = tostring, tonumber; |
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30 | local error = error; |
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31 | local next = next; |
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32 | local t_insert = table.insert; |
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33 | local append = require "util.serialization".append; |
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34 | |
0 | 35 | module "datamanager" |
36 | ||
37 | ---- utils ----- | |
38 | local encode, decode; | |
39 | do | |
40 | local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end }); | |
41 | ||
42 | decode = function (s) | |
43 | return s and (s:gsub("+", " "):gsub("%%([a-fA-F0-9][a-fA-F0-9])", urlcodes)); | |
44 | end | |
45 | ||
46 | encode = function (s) | |
47 | return s and (s:gsub("%W", function (c) return format("%%%x", c:byte()); end)); | |
48 | end | |
49 | end | |
50 | ||
51 | ------- API ------------- | |
52 | ||
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53 | local data_path = "data"; |
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54 | function set_data_path(path) |
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55 | data_path = path; |
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56 | end |
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57 | |
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58 | function getpath(username, host, datastore, ext) |
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59 | ext = ext or "dat"; |
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60 | if username then |
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61 | return format("%s/%s/%s/%s.%s", data_path, encode(host), datastore, encode(username), ext); |
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62 | elseif host then |
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63 | return format("%s/%s/%s.%s", data_path, encode(host), datastore, ext); |
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64 | else |
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65 | return format("%s/%s.%s", data_path, datastore, ext); |
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66 | end |
0 | 67 | end |
68 | ||
69 | function load(username, host, datastore) | |
70 | local data, ret = loadfile(getpath(username, host, datastore)); | |
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71 | if not data then |
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72 | log("warn", "Failed to load "..datastore.." storage ('"..ret.."') for user: "..(username or "nil").."@"..(host or "nil")); |
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73 | return nil; |
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74 | end |
0 | 75 | setfenv(data, {}); |
76 | local success, ret = pcall(data); | |
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77 | if not success then |
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78 | log("error", "Unable to load "..datastore.." storage ('"..ret.."') for user: "..(username or "nil").."@"..(host or "nil")); |
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79 | return nil; |
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80 | end |
0 | 81 | return ret; |
82 | end | |
83 | ||
84 | function store(username, host, datastore, data) | |
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85 | if not data then |
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86 | data = {}; |
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87 | end |
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88 | -- save the datastore |
0 | 89 | local f, msg = io_open(getpath(username, host, datastore), "w+"); |
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90 | if not f then |
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91 | log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..(username or "nil").."@"..(host or "nil")); |
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92 | return; |
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93 | end |
0 | 94 | f:write("return "); |
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95 | append(f, data); |
0 | 96 | f:close(); |
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97 | if not next(data) then -- try to delete empty datastore |
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98 | os_remove(getpath(username, host, datastore)); |
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99 | end |
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100 | -- we write data even when we are deleting because lua doesn't have a |
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101 | -- platform independent way of checking for non-exisitng files |
0 | 102 | return true; |
103 | end | |
104 | ||
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105 | function list_append(username, host, datastore, data) |
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106 | if not data then return; end |
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107 | -- save the datastore |
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108 | local f, msg = io_open(getpath(username, host, datastore, "list"), "a+"); |
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109 | if not f then |
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110 | log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..(username or "nil").."@"..(host or "nil")); |
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111 | return; |
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112 | end |
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113 | f:write("item("); |
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114 | append(f, data); |
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115 | f:write(");\n"); |
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116 | f:close(); |
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117 | return true; |
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118 | end |
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119 | |
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120 | function list_store(username, host, datastore, data) |
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121 | if not data then |
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122 | data = {}; |
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123 | end |
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124 | -- save the datastore |
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125 | local f, msg = io_open(getpath(username, host, datastore, "list"), "w+"); |
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126 | if not f then |
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127 | log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..(username or "nil").."@"..(host or "nil")); |
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128 | return; |
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129 | end |
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130 | for _, d in ipairs(data) do |
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131 | f:write("item("); |
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132 | append(f, d); |
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133 | f:write(");\n"); |
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134 | end |
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135 | f:close(); |
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136 | if not next(data) then -- try to delete empty datastore |
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137 | os_remove(getpath(username, host, datastore, "list")); |
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138 | end |
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139 | -- we write data even when we are deleting because lua doesn't have a |
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140 | -- platform independent way of checking for non-exisitng files |
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141 | return true; |
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142 | end |
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143 | |
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144 | function list_load(username, host, datastore) |
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145 | local data, ret = loadfile(getpath(username, host, datastore, "list")); |
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146 | if not data then |
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147 | log("warn", "Failed to load "..datastore.." storage ('"..ret.."') for user: "..(username or "nil").."@"..(host or "nil")); |
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148 | return nil; |
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149 | end |
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150 | local items = {}; |
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151 | setfenv(data, {item = function(i) t_insert(items, i); end}); |
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152 | local success, ret = pcall(data); |
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153 | if not success then |
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154 | log("error", "Unable to load "..datastore.." storage ('"..ret.."') for user: "..(username or "nil").."@"..(host or "nil")); |
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155 | return nil; |
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156 | end |
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157 | return items; |
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158 | end |
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159 | |
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160 | return _M; |