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util/dependencies.lua @ 6195:9f6a003baf2e
plugins/muc/muc.lib: Add pre-invite event. Move role check to it
author | daurnimator <quae@daurnimator.com> |
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date | Mon, 31 Mar 2014 13:54:27 -0400 |
parent | 5843:fb6573e191cf |
child | 6054:7a5ddbaf758d |
rev | line source |
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1 -- Prosody IM |
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2 -- Copyright (C) 2008-2010 Matthew Wild |
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3 -- Copyright (C) 2008-2010 Waqas Hussain |
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4 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
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9 module("dependencies", package.seeall) |
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10 |
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11 function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil, lib; end end |
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12 |
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13 -- Required to be able to find packages installed with luarocks |
5842 | 14 if not softreq "luarocks.loader" then -- LuaRocks 2.x |
15 softreq "luarocks.require"; -- LuaRocks <1.x | |
16 end | |
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17 |
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18 function missingdep(name, sources, msg) |
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19 print(""); |
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20 print("**************************"); |
408
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21 print("Prosody was unable to find "..tostring(name)); |
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22 print("This package can be obtained in the following ways:"); |
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23 print(""); |
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24 local longest_platform = 0; |
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25 for platform in pairs(sources) do |
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26 longest_platform = math.max(longest_platform, #platform); |
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27 end |
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28 for platform, source in pairs(sources) do |
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29 print("", platform..":"..(" "):rep(4+longest_platform-#platform)..source); |
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30 end |
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31 print(""); |
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32 print(msg or (name.." is required for Prosody to run, so we will now exit.")); |
526 | 33 print("More help can be found on our website, at http://prosody.im/doc/depends"); |
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34 print("**************************"); |
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35 print(""); |
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36 end |
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37 |
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38 -- COMPAT w/pre-0.8 Debian: The Debian config file used to use |
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39 -- util.ztact, which has been removed from Prosody in 0.8. This |
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40 -- is to log an error for people who still use it, so they can |
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41 -- update their configs. |
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42 package.preload["util.ztact"] = function () |
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43 if not package.loaded["core.loggingmanager"] then |
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44 error("util.ztact has been removed from Prosody and you need to fix your config " |
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45 .."file. More information can be found at http://prosody.im/doc/packagers#ztact", 0); |
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46 else |
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47 error("module 'util.ztact' has been deprecated in Prosody 0.8."); |
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48 end |
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49 end; |
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50 |
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51 function check_dependencies() |
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52 local fatal; |
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53 |
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54 local lxp = softreq "lxp" |
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55 |
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56 if not lxp then |
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57 missingdep("luaexpat", { |
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58 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-expat0"; |
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59 ["luarocks"] = "luarocks install luaexpat"; |
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60 ["Source"] = "http://www.keplerproject.org/luaexpat/"; |
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61 }); |
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62 fatal = true; |
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63 end |
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64 |
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65 local socket = softreq "socket" |
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66 |
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67 if not socket then |
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68 missingdep("luasocket", { |
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69 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-socket2"; |
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70 ["luarocks"] = "luarocks install luasocket"; |
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71 ["Source"] = "http://www.tecgraf.puc-rio.br/~diego/professional/luasocket/"; |
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72 }); |
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73 fatal = true; |
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74 end |
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75 |
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76 local lfs, err = softreq "lfs" |
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77 if not lfs then |
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78 missingdep("luafilesystem", { |
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79 ["luarocks"] = "luarocks install luafilesystem"; |
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80 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-filesystem0"; |
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81 ["Source"] = "http://www.keplerproject.org/luafilesystem/"; |
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82 }); |
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83 fatal = true; |
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84 end |
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85 |
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86 local ssl = softreq "ssl" |
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87 |
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88 if not ssl then |
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89 missingdep("LuaSec", { |
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90 ["Debian/Ubuntu"] = "http://prosody.im/download/start#debian_and_ubuntu"; |
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91 ["luarocks"] = "luarocks install luasec"; |
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92 ["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/"; |
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93 }, "SSL/TLS support will not be available"); |
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94 end |
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95 |
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96 local encodings, err = softreq "util.encodings" |
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97 if not encodings then |
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98 if err:match("not found") then |
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99 missingdep("util.encodings", { ["Windows"] = "Make sure you have encodings.dll from the Prosody distribution in util/"; |
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100 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/encodings.so"; |
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101 }); |
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102 else |
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103 print "***********************************" |
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104 print("util/encodings couldn't be loaded. Check that you have a recent version of libidn"); |
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105 print "" |
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106 print("The full error was:"); |
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107 print(err) |
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108 print "***********************************" |
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109 end |
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110 fatal = true; |
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111 end |
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112 |
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113 local hashes, err = softreq "util.hashes" |
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114 if not hashes then |
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115 if err:match("not found") then |
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116 missingdep("util.hashes", { ["Windows"] = "Make sure you have hashes.dll from the Prosody distribution in util/"; |
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117 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/hashes.so"; |
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118 }); |
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119 else |
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120 print "***********************************" |
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121 print("util/hashes couldn't be loaded. Check that you have a recent version of OpenSSL (libcrypto in particular)"); |
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122 print "" |
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123 print("The full error was:"); |
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124 print(err) |
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125 print "***********************************" |
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126 end |
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127 fatal = true; |
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128 end |
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129 return not fatal; |
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130 end |
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131 |
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132 function log_warnings() |
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133 if ssl then |
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134 local major, minor, veryminor, patched = ssl._VERSION:match("(%d+)%.(%d+)%.?(%d*)(M?)"); |
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135 if not major or ((tonumber(major) == 0 and (tonumber(minor) or 0) <= 3 and (tonumber(veryminor) or 0) <= 2) and patched ~= "M") then |
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136 log("error", "This version of LuaSec contains a known bug that causes disconnects, see http://prosody.im/doc/depends"); |
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137 end |
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138 end |
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139 if lxp then |
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140 if not pcall(lxp.new, { StartDoctypeDecl = false }) then |
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141 log("error", "The version of LuaExpat on your system leaves Prosody " |
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142 .."vulnerable to denial-of-service attacks. You should upgrade to " |
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143 .."LuaExpat 1.1.1 or higher as soon as possible. See " |
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144 .."http://prosody.im/doc/depends#luaexpat for more information."); |
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145 end |
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146 end |
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147 end |
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148 |
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149 return _M; |