prosody
0.6.2
util/dependencies.lua

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util/dependencies.lua @ 2982:0395f2f34bd5 0.6.2

prosody.cfg.lua.dist: Refactor the default config file based on feedback from confused users
author Matthew Wild <mwild1@gmail.com>
date Wed, 14 Apr 2010 13:01:10 +0100
parent 2923:b7049746bd29
child 2925:692b3c6c5bd2
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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
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10 local fatal;
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11
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12 local function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil, lib; end end
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13
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14 local function missingdep(name, sources, msg)
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15 print("");
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16 print("**************************");
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17 print("Prosody was unable to find "..tostring(name));
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18 print("This package can be obtained in the following ways:");
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19 print("");
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20 local longest_platform = 0;
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21 for platform in pairs(sources) do
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22 longest_platform = math.max(longest_platform, #platform);
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23 end
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24 for platform, source in pairs(sources) do
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25 print("", platform..":"..(" "):rep(4+longest_platform-#platform)..source);
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26 end
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27 print("");
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28 print(msg or (name.." is required for Prosody to run, so we will now exit."));
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29 print("More help can be found on our website, at http://prosody.im/doc/depends");
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30 print("**************************");
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31 print("");
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32 end
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33
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34 local lxp = softreq "lxp"
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35
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36 if not lxp then
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37 missingdep("luaexpat", {
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38 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-expat0";
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39 ["luarocks"] = "luarocks install luaexpat";
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40 ["Source"] = "http://www.keplerproject.org/luaexpat/";
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41 });
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42 fatal = true;
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43 end
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44
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45 local socket = softreq "socket"
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46
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47 if not socket then
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48 missingdep("luasocket", {
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49 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-socket2";
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50 ["luarocks"] = "luarocks install luasocket";
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51 ["Source"] = "http://www.tecgraf.puc-rio.br/~diego/professional/luasocket/";
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52 });
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53 fatal = true;
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54 end
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55
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56 local lfs, err = softreq "lfs"
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57 if not lfs then
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58 missingdep("luafilesystem", {
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59 ["luarocks"] = "luarocks install luafilesystem";
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60 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-filesystem0";
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61 ["Source"] = "http://www.keplerproject.org/luafilesystem/";
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62 });
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63 fatal = true;
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64 end
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65
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66 local ssl = softreq "ssl"
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67
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68 if not ssl then
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69 if config.get("*", "core", "run_without_ssl") then
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70 log("warn", "Running without SSL support because run_without_ssl is defined in the config");
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71 else
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72 missingdep("LuaSec", {
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73 ["Debian/Ubuntu"] = "http://prosody.im/download/start#debian_and_ubuntu";
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74 ["luarocks"] = "luarocks install luasec";
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75 ["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/";
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76 }, "SSL/TLS support will not be available");
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77 end
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78 else
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79 local major, minor, veryminor, patched = ssl._VERSION:match("(%d+)%.(%d+)%.?(%d*)(M?)");
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80 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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81 log("error", "This version of LuaSec contains a known bug that causes disconnects, see http://prosody.im/doc/depends");
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82 end
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83 end
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84
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85 local encodings, err = softreq "util.encodings"
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86 if not encodings then
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87 if err:match("not found") then
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88 missingdep("util.encodings", { ["Windows"] = "Make sure you have encodings.dll from the Prosody distribution in util/";
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89 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/encodings.so";
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90 });
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91 else
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92 print "***********************************"
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93 print("util/encodings couldn't be loaded. Check that you have a recent version of libidn");
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94 print ""
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95 print("The full error was:");
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96 print(err)
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97 print "***********************************"
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98 end
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99 fatal = true;
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100 end
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101
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102 local hashes, err = softreq "util.hashes"
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103 if not hashes then
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104 if err:match("not found") then
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105 missingdep("util.hashes", { ["Windows"] = "Make sure you have hashes.dll from the Prosody distribution in util/";
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106 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/hashes.so";
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107 });
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108 else
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109 print "***********************************"
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110 print("util/hashes couldn't be loaded. Check that you have a recent version of OpenSSL (libcrypto in particular)");
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111 print ""
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112 print("The full error was:");
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113 print(err)
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114 print "***********************************"
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115 end
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116 fatal = true;
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117 end
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118
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119 if fatal then os.exit(1); end