prosody
420e57319f89
util/dependencies.lua

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util/dependencies.lua @ 4005:420e57319f89

net.httpserver: Changed an unnecessary global access.
author Waqas Hussain <waqas20@gmail.com>
date Wed, 05 Jan 2011 06:26:49 +0500
parent 3904:f93163081b3c
child 4236:75ef9ea83b07
child 5830:ae48bf828f21
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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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
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14 if not softreq "luarocks.loader" then -- LuaRocks 2.x
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15 softreq "luarocks.require"; -- LuaRocks <1.x
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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("**************************");
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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."));
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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 function check_dependencies()
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39 local fatal;
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41 local lxp = softreq "lxp"
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42
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43 if not lxp then
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44 missingdep("luaexpat", {
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45 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-expat0";
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46 ["luarocks"] = "luarocks install luaexpat";
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47 ["Source"] = "http://www.keplerproject.org/luaexpat/";
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48 });
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49 fatal = true;
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50 end
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51
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52 local socket = softreq "socket"
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53
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54 if not socket then
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55 missingdep("luasocket", {
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56 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-socket2";
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57 ["luarocks"] = "luarocks install luasocket";
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58 ["Source"] = "http://www.tecgraf.puc-rio.br/~diego/professional/luasocket/";
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59 });
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60 fatal = true;
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61 end
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62
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63 local lfs, err = softreq "lfs"
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64 if not lfs then
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65 missingdep("luafilesystem", {
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66 ["luarocks"] = "luarocks install luafilesystem";
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67 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-filesystem0";
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68 ["Source"] = "http://www.keplerproject.org/luafilesystem/";
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69 });
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70 fatal = true;
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71 end
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72
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73 local ssl = softreq "ssl"
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74
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75 if not ssl then
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76 missingdep("LuaSec", {
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77 ["Debian/Ubuntu"] = "http://prosody.im/download/start#debian_and_ubuntu";
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78 ["luarocks"] = "luarocks install luasec";
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79 ["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/";
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80 }, "SSL/TLS support will not be available");
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81 end
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82
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83 local encodings, err = softreq "util.encodings"
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84 if not encodings then
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85 if err:match("not found") then
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86 missingdep("util.encodings", { ["Windows"] = "Make sure you have encodings.dll from the Prosody distribution in util/";
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87 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/encodings.so";
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88 });
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89 else
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90 print "***********************************"
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91 print("util/encodings couldn't be loaded. Check that you have a recent version of libidn");
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92 print ""
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93 print("The full error was:");
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94 print(err)
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95 print "***********************************"
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96 end
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97 fatal = true;
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98 end
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99
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100 local hashes, err = softreq "util.hashes"
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101 if not hashes then
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102 if err:match("not found") then
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103 missingdep("util.hashes", { ["Windows"] = "Make sure you have hashes.dll from the Prosody distribution in util/";
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104 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/hashes.so";
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105 });
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106 else
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107 print "***********************************"
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108 print("util/hashes couldn't be loaded. Check that you have a recent version of OpenSSL (libcrypto in particular)");
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109 print ""
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110 print("The full error was:");
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111 print(err)
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112 print "***********************************"
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113 end
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114 fatal = true;
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115 end
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116 return not fatal;
408
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117 end
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118
3904
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119 function log_warnings()
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120 if ssl then
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121 local major, minor, veryminor, patched = ssl._VERSION:match("(%d+)%.(%d+)%.?(%d*)(M?)");
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122 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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123 log("error", "This version of LuaSec contains a known bug that causes disconnects, see http://prosody.im/doc/depends");
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124 end
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125 end
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126 end
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127
2510
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128 return _M;