Mercurial > prosody-modules
annotate mod_storage_muc_log/mod_storage_muc_log.lua @ 3682:47e1c94fb6fb
mod_muc_media_metadata: Module to automatically fetch metadata for posted media
author | Matthew Wild <mwild1@gmail.com> |
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date | Sun, 29 Sep 2019 16:47:57 +0100 |
parents | 85b849d5ec88 |
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rev | line source |
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2821
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1 -- luacheck: ignore 212/self 431/err 131/open |
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2 |
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3 local datamanager = require"core.storagemanager".olddm; |
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4 local xml_parse = require"util.xml".parse; |
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5 local data_load, data_store = datamanager.load, datamanager.store; |
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6 local datastore = "muc_log"; |
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7 local datetime = require"util.datetime" |
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8 local lfs = require"lfs"; |
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9 local os_date = os.date; |
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10 |
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11 local timef, datef = "!%H:%M:%S", "!%y%m%d"; |
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12 local host = module.host; |
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13 |
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14 local driver = {}; |
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15 local driver_mt = { __index = driver }; |
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16 |
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17 do |
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18 -- Sanity check |
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19 -- Fun fact: 09:00 and 21:00 en_HK are both "09:00:00 UTC" |
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20 local t = os_date("!*t"); |
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21 t.hour = 9; |
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22 local am = os_date("!%X", os.time(t)); |
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23 t.hour = 21; |
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24 local pm = os_date("!%X", os.time(t)); |
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25 if am == pm then |
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26 module:log("warn", "Timestamps in AM and PM are identical in your locale, expect timestamps to be wrong"); |
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27 end |
1569 | 28 if os_date("!%X", os.time(t)) ~= os_date(timef, os.time(t)) then |
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29 module:log("warn", "Timestamp format differ from what mod_muc_log used, this module may not work correctly"); |
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30 end |
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31 end |
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32 |
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33 local function parse_silly(date, time) |
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34 local year, month, day = date:match("^(%d%d)(%d%d)(%d%d)"); |
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35 year = "20"..year; |
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36 -- year = (year < "70" and "20" or "19") .. year; |
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37 local hour, min, sec = time:match("(%d%d)%D+(%d%d)%D+(%d%d)"); |
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38 if hour == "12" and time:find("[Aa][Mm]") then |
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39 hour = "00"; |
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40 elseif hour < "12" and time:find("[Pp][Mm]") then |
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41 hour = tostring(tonumber(hour) % 12 + 12); |
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42 end |
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43 return datetime.parse(("%s-%s-%sT%s:%s:%sZ"):format(year, month, day, hour or "00", min or "00", sec or "00")); |
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44 end |
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45 |
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46 local function st_with(tag) |
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47 local with = tag.attr.type; |
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48 return with and tag.name .. "<" .. with or tag.name; |
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49 end |
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50 |
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51 function driver:append(node, key, stanza, when, with) -- luacheck: ignore 212/key |
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52 -- luacheck: ignore 311/with |
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53 -- 'with' doesn't exist in the original mod_muc_log, so gets derived here |
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54 if type(when) ~= "number" then |
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55 when, with, stanza = stanza, when, with; |
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56 end |
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57 local today = os_date(datef, when); |
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58 local now = os_date(timef, when); |
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59 local data = data_load(node, host, datastore .. "/" .. today) or {}; |
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60 data[#data + 1] = "<stanza time=\"".. now .. "\">" .. tostring(stanza) .. "</stanza>\n"; |
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61 datamanager.getpath(node, host, datastore, nil, true); -- create the datastore dir |
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62 local ok, err = data_store(node, host, datastore .. "/" .. today, data); |
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63 if not ok then |
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64 return ok, err; |
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65 end |
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66 return today .. "_" .. #data; |
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67 end |
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68 |
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69 function driver:dates(node) |
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70 local path = datamanager.getpath(node, host, datastore):match("(.*)/"); |
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71 |
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72 local ok, iter, state, var = pcall(lfs.dir, path); |
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73 if not ok then |
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74 module:log("warn", iter); |
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75 return nil, iter; |
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76 end |
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77 |
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78 local dates, i = {}, 1; |
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79 for dir in iter, state, var do |
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80 if lfs.attributes(datamanager.getpath(node, host, datastore .. "/" .. dir), "mode") == "file" then |
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81 dates[i], i = dir, i+1; |
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82 end |
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83 end |
2825
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84 if dates[1] == nil then return nil end |
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85 table.sort(dates); |
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86 return dates; |
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87 end |
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88 |
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89 function driver:find(node, query) |
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90 local dates, err = self:dates(node); |
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91 if not dates then return dates, err; end |
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92 |
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93 return coroutine.wrap(function () |
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94 local start_date = query and query.start and os_date(datef, query.start) or dates[1]; |
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95 local end_date = query and query["end"] and os_date(datef, query["end"]) or dates[#dates]; |
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96 local start_time = query and query.start and os_date(timef, query.start) or dates[1]; |
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97 local end_time = query and query["end"] and os_date(timef, query["end"]) or dates[#dates]; |
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98 local query_with = query and query.with; |
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99 local query_limit = query and query.limit; |
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100 local seek_once = query and query.after; |
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101 |
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102 local today, time, data, err, item; |
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103 local inner_start, inner_stop, inner_step; |
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104 local outer_start, outer_stop, outer_step = 1, #dates, 1; |
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mod_storage_muc_log: Trim trailing whitespace [luacheck]
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105 if query and query.reverse then |
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106 outer_start, outer_stop, outer_step = outer_stop, outer_start, -outer_step; |
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107 seek_once = query.before; |
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108 if seek_once then |
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109 end_date = seek_once:match"^(%d+)_%d"; |
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110 end |
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111 elseif seek_once then |
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112 start_date = seek_once:match"^(%d+)_%d"; |
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113 end |
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114 local matches = 0; |
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115 for i = outer_start, outer_stop, outer_step do |
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116 today = dates[i]; |
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117 if today >= start_date and today <= end_date then |
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118 data, err = data_load(node, host, datastore .. "/" .. today); |
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119 if data then |
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120 inner_start, inner_stop, inner_step = 1, #data, 1; |
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121 if query and query.reverse then |
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122 inner_start, inner_stop, inner_step = inner_stop, inner_start, -inner_step; |
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123 end |
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124 if seek_once then |
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125 inner_start = tonumber(seek_once:match("_(%d+)$")); |
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126 inner_start = inner_start + (query and query.reverse and -1 or 1); |
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127 seek_once = nil; |
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128 end |
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129 for i = inner_start, inner_stop, inner_step do -- luacheck: ignore 423/i |
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130 item, err = data[i], nil; |
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131 if item then |
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132 item, err = xml_parse(item); |
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133 end |
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134 if item then |
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135 time = item.attr.time; |
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136 item = item.tags[1]; |
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137 local with = st_with(item); |
1566
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138 if (today >= start_date or time >= start_time) and |
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139 (today <= end_date or time <= end_time) and |
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140 (not query_with or query_with == with) and |
1566
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141 item:get_child_text("alreadyJoined") ~= "true" then |
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142 matches = matches + 1; |
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143 coroutine.yield(today.."_"..i, item, parse_silly(today, time), with); |
1566
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144 if query_limit and matches >= query_limit then |
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145 return; |
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146 end |
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147 end |
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148 elseif err then |
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149 module:log("warn", err); |
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150 end |
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151 end |
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152 elseif err then |
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153 module:log("warn", err); |
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154 end |
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155 end |
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156 end |
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157 end); |
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158 end |
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159 |
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160 function open(_, store, typ) |
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161 if typ ~= "archive" then |
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162 return nil, "unsupported-store"; |
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163 end |
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164 return setmetatable({ store = store, type = typ }, driver_mt); |
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165 end |
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166 |
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167 module:provides "storage"; |