Mercurial > prosody-modules
annotate mod_log_messages_sql/mod_log_messages_sql.lua @ 1402:57ee26681561
mod_mam/rsm.lib: Rename argument for clarity
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 30 Apr 2014 13:19:47 +0200 |
parents | 7dbde05b48a9 |
children | 398c4aaccf6d |
rev | line source |
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1 -- Based on mod_mam_sql |
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2 -- Copyright (C) 2011-2012 Kim Alvefur |
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3 -- |
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4 -- This file is MIT/X11 licensed. |
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5 |
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6 local st = require "util.stanza"; |
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7 local jid_bare = require "util.jid".bare; |
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8 local jid_split = require "util.jid".split; |
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9 |
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10 local serialize = require"util.json".encode, require"util.json".decode; |
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11 local tostring = tostring; |
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12 local time_now = os.time; |
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13 |
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14 local sql, setsql, getsql = {}; |
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15 do -- SQL stuff |
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16 local connection; |
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17 local resolve_relative_path = require "core.configmanager".resolve_relative_path; |
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18 local params = module:get_option("message_log_sql", module:get_option("sql")); |
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19 |
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20 local function test_connection() |
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21 if not connection then return nil; end |
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22 if connection:ping() then |
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23 return true; |
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24 else |
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25 module:log("debug", "Database connection closed"); |
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26 connection = nil; |
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27 end |
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28 end |
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29 local function connect() |
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30 if not test_connection() then |
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31 prosody.unlock_globals(); |
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32 local dbh, err = DBI.Connect( |
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33 params.driver, params.database, |
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34 params.username, params.password, |
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35 params.host, params.port |
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36 ); |
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37 prosody.lock_globals(); |
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38 if not dbh then |
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39 module:log("debug", "Database connection failed: %s", tostring(err)); |
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40 return nil, err; |
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41 end |
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42 module:log("debug", "Successfully connected to database"); |
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43 dbh:autocommit(false); -- don't commit automatically |
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44 connection = dbh; |
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45 |
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46 end |
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47 return connection; |
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48 end |
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49 |
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50 do -- process options to get a db connection |
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51 local ok; |
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52 prosody.unlock_globals(); |
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53 ok, DBI = pcall(require, "DBI"); |
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54 if not ok then |
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55 package.loaded["DBI"] = {}; |
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56 module:log("error", "Failed to load the LuaDBI library for accessing SQL databases: %s", DBI); |
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57 module:log("error", "More information on installing LuaDBI can be found at http://prosody.im/doc/depends#luadbi"); |
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58 end |
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59 prosody.lock_globals(); |
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60 if not ok or not DBI.Connect then |
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61 return; -- Halt loading of this module |
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62 end |
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63 |
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64 params = params or { driver = "SQLite3" }; |
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65 |
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66 if params.driver == "SQLite3" then |
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67 params.database = resolve_relative_path(prosody.paths.data or ".", params.database or "prosody.sqlite"); |
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68 end |
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69 |
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70 assert(params.driver and params.database, "Both the SQL driver and the database need to be specified"); |
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71 |
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72 assert(connect()); |
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73 |
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74 end |
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75 |
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76 function getsql(sql, ...) |
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77 if params.driver == "PostgreSQL" then |
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78 sql = sql:gsub("`", "\""); |
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79 end |
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80 -- do prepared statement stuff |
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81 local stmt, err = connection:prepare(sql); |
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82 if not stmt and not test_connection() then error("connection failed"); end |
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83 if not stmt then module:log("error", "QUERY FAILED: %s %s", err, debug.traceback()); return nil, err; end |
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84 -- run query |
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85 local ok, err = stmt:execute(...); |
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86 if not ok and not test_connection() then error("connection failed"); end |
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87 if not ok then return nil, err; end |
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88 |
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89 return stmt; |
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90 end |
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91 function setsql(sql, ...) |
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92 local stmt, err = getsql(sql, ...); |
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93 if not stmt then return stmt, err; end |
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94 return stmt:affected(); |
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95 end |
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96 function sql.rollback(...) |
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97 if connection then connection:rollback(); end -- FIXME check for rollback error? |
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98 return ...; |
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99 end |
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100 function sql.commit(...) |
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101 if not connection:commit() then return nil, "SQL commit failed"; end |
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102 return ...; |
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103 end |
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104 |
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105 end |
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106 |
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107 -- Handle messages |
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108 local function message_handler(event, c2s) |
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109 local origin, stanza = event.origin, event.stanza; |
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110 local orig_type = stanza.attr.type or "normal"; |
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111 local orig_to = stanza.attr.to; |
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112 local orig_from = stanza.attr.from; |
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113 |
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114 if not orig_from and c2s then |
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115 orig_from = origin.full_jid; |
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116 end |
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117 orig_to = orig_to or orig_from; -- Weird corner cases |
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118 |
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119 -- Don't store messages of these types |
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120 if orig_type == "error" |
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121 or orig_type == "headline" |
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122 or orig_type == "groupchat" |
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123 or not stanza:get_child("body") then |
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124 return; |
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125 -- TODO Maybe headlines should be configurable? |
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126 end |
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127 |
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128 local store_user, store_host = jid_split(c2s and orig_from or orig_to); |
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129 local target_jid = c2s and orig_to or orig_from; |
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130 local target_bare = jid_bare(target_jid); |
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131 local _, _, target_resource = jid_split(target_jid); |
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132 |
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133 --local id = uuid(); |
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134 local when = time_now(); |
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135 -- And stash it |
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136 local ok, err = setsql([[ |
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137 INSERT INTO `prosodyarchive` |
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138 (`host`, `user`, `store`, `when`, `with`, `resource`, `stanza`) |
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139 VALUES (?, ?, ?, ?, ?, ?, ?); |
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140 ]], store_host, store_user, "message_log", when, target_bare, target_resource, serialize(st.preserialize(stanza))) |
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141 if ok then |
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142 sql.commit(); |
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143 else |
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144 module:log("error", "SQL error: %s", err); |
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145 sql.rollback(); |
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146 end |
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147 end |
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148 |
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149 local function c2s_message_handler(event) |
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150 return message_handler(event, true); |
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151 end |
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152 |
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153 -- Stanzas sent by local clients |
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154 module:hook("pre-message/bare", c2s_message_handler, 2); |
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155 module:hook("pre-message/full", c2s_message_handler, 2); |
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156 -- Stanszas to local clients |
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157 module:hook("message/bare", message_handler, 2); |
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158 module:hook("message/full", message_handler, 2); |
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159 |
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160 -- In the telnet console, run: |
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161 -- >hosts["this host"].modules.mam_sql.environment.create_sql() |
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162 function create_sql() |
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163 local stm = getsql[[ |
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164 CREATE TABLE `prosodyarchive` ( |
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165 `host` TEXT, |
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166 `user` TEXT, |
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167 `store` TEXT, |
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168 `id` INTEGER PRIMARY KEY AUTOINCREMENT, |
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169 `when` INTEGER, |
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170 `with` TEXT, |
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171 `resource` TEXT, |
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172 `stanza` TEXT |
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173 ); |
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174 CREATE INDEX `hus` ON `prosodyarchive` (`host`, `user`, `store`); |
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175 CREATE INDEX `with` ON `prosodyarchive` (`with`); |
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176 CREATE INDEX `thetime` ON `prosodyarchive` (`when`); |
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177 ]]; |
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178 stm:execute(); |
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179 sql.commit(); |
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180 end |