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util/dependencies.lua @ 8810:9f8a746f99c1
util.pubsub: Add a default/fallback JID normalization function
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 20 May 2018 15:21:57 +0200 |
parent | 8235:7d9a2c200736 |
child | 9494:b19f676203fd |
rev | line source |
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1523
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Remove version number from copyright headers
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1 -- Prosody IM |
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Update copyright headers for 2010
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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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Insert copyright/license headers
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7 -- |
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8 |
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util.*: Remove use of module() function, make all module functions local and return them in a table at the end
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9 local function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil, lib; end end |
408
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Friendlier messages on missing dependencies
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10 |
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util.dependencies: Load luarocks.loader/luarocks.require
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11 -- Required to be able to find packages installed with luarocks |
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util.dependencies: Load luarocks.loader/luarocks.require
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12 if not softreq "luarocks.loader" then -- LuaRocks 2.x |
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13 softreq "luarocks.require"; -- LuaRocks <1.x |
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14 end |
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15 |
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16 local function missingdep(name, sources, msg) |
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17 print(""); |
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18 print("**************************"); |
408
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19 print("Prosody was unable to find "..tostring(name)); |
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20 print("This package can be obtained in the following ways:"); |
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21 print(""); |
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22 local longest_platform = 0; |
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23 for platform in pairs(sources) do |
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24 longest_platform = math.max(longest_platform, #platform); |
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25 end |
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26 for platform, source in pairs(sources) do |
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27 print("", platform..":"..(" "):rep(4+longest_platform-#platform)..source); |
408
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28 end |
410
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29 print(""); |
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30 print(msg or (name.." is required for Prosody to run, so we will now exit.")); |
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31 print("More help can be found on our website, at https://prosody.im/doc/depends"); |
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32 print("**************************"); |
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33 print(""); |
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34 end |
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35 |
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36 -- COMPAT w/pre-0.8 Debian: The Debian config file used to use |
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util.dependencies: Add a dummy util.ztact loader to log a message for people still using it (e.g. in their Debian-derived config files)
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37 -- util.ztact, which has been removed from Prosody in 0.8. This |
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util.dependencies: Add a dummy util.ztact loader to log a message for people still using it (e.g. in their Debian-derived config files)
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38 -- is to log an error for people who still use it, so they can |
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39 -- update their configs. |
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40 package.preload["util.ztact"] = function () |
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41 if not package.loaded["core.loggingmanager"] then |
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42 error("util.ztact has been removed from Prosody and you need to fix your config " |
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43 .."file. More information can be found at https://prosody.im/doc/packagers#ztact", 0); |
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44 else |
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45 error("module 'util.ztact' has been deprecated in Prosody 0.8."); |
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46 end |
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47 end; |
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48 |
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49 local function check_dependencies() |
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50 if _VERSION < "Lua 5.1" then |
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51 print "***********************************" |
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52 print("Unsupported Lua version: ".._VERSION); |
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53 print("At least Lua 5.1 is required."); |
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54 print "***********************************" |
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55 return false; |
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56 end |
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57 |
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58 local fatal; |
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59 |
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60 local lxp = softreq "lxp" |
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61 |
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62 if not lxp then |
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63 missingdep("luaexpat", { |
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64 ["Debian/Ubuntu"] = "sudo apt-get install lua-expat"; |
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65 ["luarocks"] = "luarocks install luaexpat"; |
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66 ["Source"] = "http://matthewwild.co.uk/projects/luaexpat/"; |
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67 }); |
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68 fatal = true; |
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69 end |
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70 |
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71 local socket = softreq "socket" |
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72 |
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73 if not socket then |
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74 missingdep("luasocket", { |
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75 ["Debian/Ubuntu"] = "sudo apt-get install lua-socket"; |
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76 ["luarocks"] = "luarocks install luasocket"; |
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77 ["Source"] = "http://www.tecgraf.puc-rio.br/~diego/professional/luasocket/"; |
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78 }); |
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79 fatal = true; |
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80 end |
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81 |
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82 local lfs, err = softreq "lfs" |
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83 if not lfs then |
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84 missingdep("luafilesystem", { |
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85 ["luarocks"] = "luarocks install luafilesystem"; |
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86 ["Debian/Ubuntu"] = "sudo apt-get install lua-filesystem"; |
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87 ["Source"] = "http://www.keplerproject.org/luafilesystem/"; |
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88 }); |
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89 fatal = true; |
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90 end |
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91 |
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92 local ssl = softreq "ssl" |
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93 |
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94 if not ssl then |
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95 missingdep("LuaSec", { |
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96 ["Debian/Ubuntu"] = "sudo apt-get install lua-sec"; |
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97 ["luarocks"] = "luarocks install luasec"; |
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98 ["Source"] = "https://github.com/brunoos/luasec"; |
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99 }, "SSL/TLS support will not be available"); |
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100 end |
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101 |
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102 local bit = _G.bit32 or softreq"bit"; |
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103 |
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104 if not bit then |
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105 missingdep("lua-bitops", { |
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106 ["Debian/Ubuntu"] = "sudo apt-get install lua-bitop"; |
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107 ["luarocks"] = "luarocks install luabitop"; |
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108 ["Source"] = "http://bitop.luajit.org/"; |
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109 }, "WebSocket support will not be available"); |
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110 end |
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111 |
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112 local encodings, err = softreq "util.encodings" |
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113 if not encodings then |
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114 if err:match("module '[^']*' not found") then |
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115 missingdep("util.encodings", { |
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116 ["Windows"] = "Make sure you have encodings.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/encodings.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/encodings couldn't be loaded. Check that you have a recent version of libidn"); |
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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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Matthew Wild <mwild1@gmail.com>
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128 end |
408
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Friendlier messages on missing dependencies
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129 |
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130 local hashes, err = softreq "util.hashes" |
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131 if not hashes then |
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132 if err:match("module '[^']*' not found") then |
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133 missingdep("util.hashes", { |
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134 ["Windows"] = "Make sure you have hashes.dll from the Prosody distribution in util/"; |
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135 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/hashes.so"; |
3fbfd7210d78
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136 }); |
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137 else |
2510
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138 print "***********************************" |
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139 print("util/hashes couldn't be loaded. Check that you have a recent version of OpenSSL (libcrypto in particular)"); |
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140 print "" |
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141 print("The full error was:"); |
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142 print(err) |
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143 print "***********************************" |
97b5ea975cb9
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|
144 end |
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145 fatal = true; |
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146 end |
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147 |
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148 return not fatal; |
408
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Friendlier messages on missing dependencies
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|
149 end |
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|
150 |
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151 local function log_warnings() |
7721
92f771147de8
util.dependencies: Disable warning about Lua 5.2 (but still warn about 5.3)
Kim Alvefur <zash@zash.se>
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|
152 if _VERSION > "Lua 5.2" then |
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|
153 prosody.log("warn", "Support for %s is experimental, please report any issues", _VERSION); |
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|
154 end |
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155 local ssl = softreq"ssl"; |
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|
156 if ssl then |
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|
157 local major, minor, veryminor, patched = ssl._VERSION:match("(%d+)%.(%d+)%.?(%d*)(M?)"); |
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158 if not major or ((tonumber(major) == 0 and (tonumber(minor) or 0) <= 3 and (tonumber(veryminor) or 0) <= 2) and patched ~= "M") then |
7359
a5a080c12c96
Update every link to the documentation to use HTTPS
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|
159 prosody.log("error", "This version of LuaSec contains a known bug that causes disconnects, see https://prosody.im/doc/depends"); |
3904
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|
160 end |
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|
161 end |
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|
162 local lxp = softreq"lxp"; |
4426
ee65aa40ef60
util.dependencies, util.xmppstream: Move LuaExpat version checking to util.dependencies.
Waqas Hussain <waqas20@gmail.com>
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|
163 if lxp then |
ee65aa40ef60
util.dependencies, util.xmppstream: Move LuaExpat version checking to util.dependencies.
Waqas Hussain <waqas20@gmail.com>
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|
164 if not pcall(lxp.new, { StartDoctypeDecl = false }) then |
7007
e28fbe6dd424
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|
165 prosody.log("error", "The version of LuaExpat on your system leaves Prosody " |
4426
ee65aa40ef60
util.dependencies, util.xmppstream: Move LuaExpat version checking to util.dependencies.
Waqas Hussain <waqas20@gmail.com>
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|
166 .."vulnerable to denial-of-service attacks. You should upgrade to " |
6043
29d2dd705148
util.dependencies: Log error when LuaExpat is not capable of enforcing stanza size limits
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|
167 .."LuaExpat 1.3.0 or higher as soon as possible. See " |
7359
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Update every link to the documentation to use HTTPS
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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|
168 .."https://prosody.im/doc/depends#luaexpat for more information."); |
6043
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|
169 end |
29d2dd705148
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|
170 if not lxp.new({}).getcurrentbytecount then |
7007
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|
171 prosody.log("error", "The version of LuaExpat on your system does not support " |
6043
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172 .."stanza size limits, which may leave servers on untrusted " |
29d2dd705148
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173 .."networks (e.g. the internet) vulnerable to denial-of-service " |
29d2dd705148
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174 .."attacks. You should upgrade to LuaExpat 1.3.0 or higher as " |
29d2dd705148
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|
175 .."soon as possible. See " |
7359
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|
176 .."https://prosody.im/doc/depends#luaexpat for more information."); |
4426
ee65aa40ef60
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Waqas Hussain <waqas20@gmail.com>
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|
177 end |
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178 end |
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|
179 end |
742
b9f59372eb4e
util.dependencies: Show useful messages when our own libraries are not found, too
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|
180 |
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Kim Alvefur <zash@zash.se>
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181 return { |
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|
182 softreq = softreq; |
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Kim Alvefur <zash@zash.se>
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|
183 missingdep = missingdep; |
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|
184 check_dependencies = check_dependencies; |
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185 log_warnings = log_warnings; |
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186 }; |