annotate mod_storage_xmlarchive/mod_storage_xmlarchive.lua @ 2687:5f0b755b42a3

Backed out changeset e491a15d7621 (closes #888)
author Kim Alvefur <zash@zash.se>
date Sat, 15 Apr 2017 15:35:55 +0200
parents 1b081c8fc1d9
children e5ce64aee4ac
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1 -- mod_storage_xmlarchive
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2 -- Copyright (C) 2015-2017 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 -- luacheck: ignore unused self
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7
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8 local lfs = require "lfs";
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9 local dm = require "core.storagemanager".olddm;
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10 local hmac_sha256 = require"util.hashes".hmac_sha256;
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11 local st = require"util.stanza";
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12 local dt = require"util.datetime";
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13 local new_stream = require "util.xmppstream".new;
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14 local empty = {};
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15
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16 if not dm.append_raw then
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17 module:require"datamanager_append_raw";
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18 end
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19
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20 local archive = {};
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21 local archive_mt = { __index = archive };
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22
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23 local is_stanza = st.is_stanza or function (s)
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24 return getmetatable(s) == st.stanza_mt;
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25 end
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26
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27 function archive:append(username, _, data, when, with)
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28 if type(when) ~= "number" then
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29 when, with, data = data, when, with;
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30 end
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31 if not is_stanza(data) then
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32 module:log("error", "Attempt to store non-stanza object, traceback: %s", debug.traceback());
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33 return nil, "unsupported-datatype";
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34 end
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35
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36 username = username or "@";
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37 data = tostring(data) .. "\n";
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38
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39 local day = dt.date(when);
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40 local ok, err = dm.append_raw(username.."@"..day, module.host, self.store, "xml", data);
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41 if not ok then
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42 return nil, err;
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43 end
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44
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45 -- If the day-file is missing then we need to add it to the list of days
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46 local first_of_day = not lfs.attributes(dm.getpath(username .. "@" .. day, module.host, self.store, "list"));
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47
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48 local offset = ok and err or 0;
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49
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50 local id = day .. "-" .. hmac_sha256(username.."@"..day.."+"..offset, data, true):sub(-16);
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51 ok, err = dm.list_append(username.."@"..day, module.host, self.store,
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52 { id = id, when = dt.datetime(when), with = with, offset = offset, length = #data });
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53 if ok and first_of_day then
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54 ok, err = dm.list_append(username, module.host, self.store, day);
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55 end
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56 if not ok then
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57 return nil, err;
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58 end
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59 return id;
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60 end
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61
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62 function archive:_get_idx(username, id, dates)
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63 dates = dates or self:dates(username) or empty;
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64 local date = id:sub(1, 10);
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65 for d = 1, #dates do
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66 if date == dates[d] then
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67 module:log("debug", "Loading items from %s", dates[d]);
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68 local items = dm.list_load(username .. "@" .. dates[d], module.host, self.store) or empty;
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69 for i = 1, #items do
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70 if items[i].id == id then
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71 return d, i, items;
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72 end
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73 end
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74 return; -- Assuming no duplicates
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75 elseif date < dates[d] then
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76 return; -- List is assumed to be sorted
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77 end
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78 end
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79 end
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80
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81 function archive:find(username, query)
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82 username = username or "@";
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83 query = query or empty;
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84
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85 local result;
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86 local function cb(_, stanza)
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87 assert(not result, "Multiple items in chunk");
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88 result = stanza;
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89 end
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90
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91 local stream_session = { notopen = true };
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92 local stream_callbacks = { handlestanza = cb, stream_ns = "jabber:client", default_ns = "jabber:client" };
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93 local stream = new_stream(stream_session, stream_callbacks);
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94 local dates = self:dates(username) or empty;
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95 local function reset_stream()
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96 stream:reset();
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97 stream_session.notopen = true;
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98 stream:feed(st.stanza("stream", { xmlns = "jabber:client" }):top_tag());
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99 stream_session.notopen = nil;
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100 end
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101 reset_stream();
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102
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103 local limit = query.limit;
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104 local start_day, step, last_day = 1, 1, #dates;
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105 local count = 0;
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106 local rev = query.reverse;
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107 if query.start then
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108 local d = dt.date(query.start);
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109 for i = 1, #dates do
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110 if dates[i] == d then
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111 start_day = i; break;
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112 end
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diff changeset
113 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
114 end
2398
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
115 if query["end"] then
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
116 local d = dt.date(query["end"]);
1690
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
117 for i = #dates, 1, -1 do
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118 if dates[i] == d then
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
119 last_day = i; break;
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
120 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
121 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 end
2632
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
123 local items;
2398
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
124 local first_item, last_item;
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
125 if rev then
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126 start_day, step, last_day = last_day, -step, start_day;
2398
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
127 if query.before then
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
128 local before_day, before_item, items_ = self:_get_idx(username, query.before, dates);
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
129 if before_day and before_day <= start_day then
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
130 if before_item then
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
131 first_item = before_item - 1;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
132 else
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
133 first_item = #items_;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
134 end
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
135 last_item = 1;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
136 start_day = before_day;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
137 items = items_;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
138 end
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
139 end
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
140 elseif query.after then
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
141 local after_day, after_item, items_ = self:_get_idx(username, query.after, dates);
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
142 if after_day and after_day >= start_day then
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
143 if after_item then
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
144 first_item = after_item + 1;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
145 else
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
146 first_item = 1;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
147 end
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
148 last_item = #items_;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
149 start_day = after_day;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
150 items = items_;
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
151 end
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153
2632
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
154 local date_open, xmlfile;
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
155 local function read_xml(date, offset, length)
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
156 if xmlfile and date ~= date_open then
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
157 xmlfile:close();
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
158 xmlfile = nil;
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
159 end
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
160 if not xmlfile then
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
161 date_open = date;
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
162 local filename = dm.getpath(username .. "@" .. date, module.host, self.store, "xml");
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
163 local ferr;
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
164 xmlfile, ferr = io.open(filename);
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
165 if not xmlfile then
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
166 module:log("error", "Error: %s", ferr);
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
167 return nil, ferr;
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
168 end
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
169 end
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
170 local pos, err = xmlfile:seek("set", offset);
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
171 if pos ~= offset then
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
172 return nil, err or "seek-failed";
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
173 end
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
174 return xmlfile:read(length);
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
175 end
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
176
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 return function ()
2054
b7c528027762 mod_storage_xmlarchive: Only try to close xmlfile if it has been opened (fixes traceback with limit=0)
Kim Alvefur <zash@zash.se>
parents: 2041
diff changeset
178 if limit and count >= limit then if xmlfile then xmlfile:close() end return; end
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 for d = start_day, last_day, step do
2633
1330ed88ecd8 mod_storage_xmlarchive: Cache current date in a local
Kim Alvefur <zash@zash.se>
parents: 2632
diff changeset
180 local date = dates[d];
2398
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
181 if not items then
2633
1330ed88ecd8 mod_storage_xmlarchive: Cache current date in a local
Kim Alvefur <zash@zash.se>
parents: 2632
diff changeset
182 module:log("debug", "Loading items from %s", date);
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 start_day = d;
2633
1330ed88ecd8 mod_storage_xmlarchive: Cache current date in a local
Kim Alvefur <zash@zash.se>
parents: 2632
diff changeset
184 items = dm.list_load(username .. "@" .. date, module.host, self.store) or empty;
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 if not rev then
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 first_item, last_item = 1, #items;
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 else
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 first_item, last_item = #items, 1;
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191
1741
07ceaf5f6f0d mod_storage_xmlarchive: Optimize access to variables used in inner loop
Kim Alvefur <zash@zash.se>
parents: 1740
diff changeset
192 local q_with, q_start, q_end = query.with, query.start, query["end"];
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 for i = first_item, last_item, step do
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 local item = items[i];
2396
544ee057a23f mod_storage_xmlarchive: Check if item exists before checking if its fields
Kim Alvefur <zash@zash.se>
parents: 2290
diff changeset
195 if not item then
2633
1330ed88ecd8 mod_storage_xmlarchive: Cache current date in a local
Kim Alvefur <zash@zash.se>
parents: 2632
diff changeset
196 module:log("warn", "data[%q][%d] is nil", date, i);
2396
544ee057a23f mod_storage_xmlarchive: Check if item exists before checking if its fields
Kim Alvefur <zash@zash.se>
parents: 2290
diff changeset
197 break;
544ee057a23f mod_storage_xmlarchive: Check if item exists before checking if its fields
Kim Alvefur <zash@zash.se>
parents: 2290
diff changeset
198 end
2634
71ce798c86cc mod_storage_xmlarchive: Add some spacing to improve readability
Kim Alvefur <zash@zash.se>
parents: 2633
diff changeset
199
1741
07ceaf5f6f0d mod_storage_xmlarchive: Optimize access to variables used in inner loop
Kim Alvefur <zash@zash.se>
parents: 1740
diff changeset
200 local i_when, i_with = item.when, item.with;
2634
71ce798c86cc mod_storage_xmlarchive: Add some spacing to improve readability
Kim Alvefur <zash@zash.se>
parents: 2633
diff changeset
201
1742
ec50cecc9318 mod_storage_xmlarchive: Store timestamps in text form, I don't trust numeric timestamps in Lua
Kim Alvefur <zash@zash.se>
parents: 1741
diff changeset
202 if type(i_when) == "string" then
ec50cecc9318 mod_storage_xmlarchive: Store timestamps in text form, I don't trust numeric timestamps in Lua
Kim Alvefur <zash@zash.se>
parents: 1741
diff changeset
203 i_when = dt.parse(i_when);
ec50cecc9318 mod_storage_xmlarchive: Store timestamps in text form, I don't trust numeric timestamps in Lua
Kim Alvefur <zash@zash.se>
parents: 1741
diff changeset
204 end
ec50cecc9318 mod_storage_xmlarchive: Store timestamps in text form, I don't trust numeric timestamps in Lua
Kim Alvefur <zash@zash.se>
parents: 1741
diff changeset
205 if type(i_when) ~= "number" then
2633
1330ed88ecd8 mod_storage_xmlarchive: Cache current date in a local
Kim Alvefur <zash@zash.se>
parents: 2632
diff changeset
206 module:log("warn", "data[%q][%d].when is invalid", date, i);
1742
ec50cecc9318 mod_storage_xmlarchive: Store timestamps in text form, I don't trust numeric timestamps in Lua
Kim Alvefur <zash@zash.se>
parents: 1741
diff changeset
207 break;
ec50cecc9318 mod_storage_xmlarchive: Store timestamps in text form, I don't trust numeric timestamps in Lua
Kim Alvefur <zash@zash.se>
parents: 1741
diff changeset
208 end
2634
71ce798c86cc mod_storage_xmlarchive: Add some spacing to improve readability
Kim Alvefur <zash@zash.se>
parents: 2633
diff changeset
209
2398
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
210 if (not q_with or i_with == q_with)
1741
07ceaf5f6f0d mod_storage_xmlarchive: Optimize access to variables used in inner loop
Kim Alvefur <zash@zash.se>
parents: 1740
diff changeset
211 and (not q_start or i_when >= q_start)
07ceaf5f6f0d mod_storage_xmlarchive: Optimize access to variables used in inner loop
Kim Alvefur <zash@zash.se>
parents: 1740
diff changeset
212 and (not q_end or i_when <= q_end) then
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 count = count + 1;
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 first_item = i + step;
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215
2633
1330ed88ecd8 mod_storage_xmlarchive: Cache current date in a local
Kim Alvefur <zash@zash.se>
parents: 2632
diff changeset
216 local data = read_xml(date, item.offset, item.length);
2632
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
217 if not data then return end
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 local ok, err = stream:feed(data);
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
219 if not ok then
2632
995d4d9f5d89 mod_storage_xmlarchive: Break out XML file reading into a function
Kim Alvefur <zash@zash.se>
parents: 2602
diff changeset
220 module:log("warn", "Parse error in %s@%s/%s/%q[%d]: %s", username, module.host, self.store, i, err);
1727
8f12afb633ec mod_storage_xmlarchive: Attempt to recover after parse failures
Kim Alvefur <zash@zash.se>
parents: 1726
diff changeset
221 reset_stream();
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 if result then
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 local stanza = result;
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 result = nil;
1752
3f3689a16133 mod_storage_xmlarchive: Return 'when' as number
Kim Alvefur <zash@zash.se>
parents: 1742
diff changeset
226 return item.id, stanza, i_when, i_with;
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 end
2398
7e922b968b44 mod_storage_xmlarchive: Find item indices for 'before' or 'after' queries and behave as if they were excluded if the items don't exist (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 2397
diff changeset
230 items = nil;
2397
7f9bf161f640 mod_storage_xmlarchive: Open XML file later, just before it is needed
Kim Alvefur <zash@zash.se>
parents: 2396
diff changeset
231 if xmlfile then
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Kim Alvefur <zash@zash.se>
parents: 2396
diff changeset
232 xmlfile:close();
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parents: 2396
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233 xmlfile = nil;
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parents: 2396
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234 end
1690
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parents:
diff changeset
235 end
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236 end
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parents:
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237 end
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parents:
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238
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parents:
diff changeset
239 function archive:delete(username, query)
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parents:
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240 username = username or "@";
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
241 query = query or empty;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 if query.with or query.start or query.after then
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parents:
diff changeset
243 return nil, "not-implemented"; -- Only trimming the oldest messages
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parents:
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244 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
245 local before = query.before or query["end"] or "9999-12-31";
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
246 if type(before) == "number" then before = dt.date(before); else before = before:sub(1, 10); end
2663
6e8c3fc48237 mod_storage_xmlarchive: Use the dates method in more places
Kim Alvefur <zash@zash.se>
parents: 2634
diff changeset
247 local dates, err = self:dates(username);
2040
459e1878d23c mod_storage_xmlarchive: Return earlier if attempting to delete from empty archive
Kim Alvefur <zash@zash.se>
parents: 2038
diff changeset
248 if not dates or next(dates) == nil then
459e1878d23c mod_storage_xmlarchive: Return earlier if attempting to delete from empty archive
Kim Alvefur <zash@zash.se>
parents: 2038
diff changeset
249 if not err then return true end -- already empty
459e1878d23c mod_storage_xmlarchive: Return earlier if attempting to delete from empty archive
Kim Alvefur <zash@zash.se>
parents: 2038
diff changeset
250 return dates, err;
459e1878d23c mod_storage_xmlarchive: Return earlier if attempting to delete from empty archive
Kim Alvefur <zash@zash.se>
parents: 2038
diff changeset
251 end
2041
7c61ab512d0b mod_storage_xmlarchive: Return earlier if attempting to delete messages older than the oldest existing
Kim Alvefur <zash@zash.se>
parents: 2040
diff changeset
252 if dates[1] > before then return true; end -- Nothing to delete
1690
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parents:
diff changeset
253 local remaining_dates = {};
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 for d = 1, #dates do
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255 if dates[d] >= before then
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256 table.insert(remaining_dates, dates[d]);
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
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257 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
259 table.sort(remaining_dates);
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 local ok, err = dm.list_store(username, module.host, self.store, remaining_dates);
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 if not ok then return ok, err; end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 for d = 1, #dates do
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263 if dates[d] < before then
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 os.remove(dm.getpath(username .. "@" .. dates[d], module.host, self.store, "list"));
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265 os.remove(dm.getpath(username .. "@" .. dates[d], module.host, self.store, "xml"));
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268 return true;
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
269 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
270
1831
004d3bfc05ea mod_storage_xmlarchive: Expose method for getting a list of dates which do have messages
Kim Alvefur <zash@zash.se>
parents: 1819
diff changeset
271 function archive:dates(username)
004d3bfc05ea mod_storage_xmlarchive: Expose method for getting a list of dates which do have messages
Kim Alvefur <zash@zash.se>
parents: 1819
diff changeset
272 return dm.list_load(username, module.host, self.store);
004d3bfc05ea mod_storage_xmlarchive: Expose method for getting a list of dates which do have messages
Kim Alvefur <zash@zash.se>
parents: 1819
diff changeset
273 end
004d3bfc05ea mod_storage_xmlarchive: Expose method for getting a list of dates which do have messages
Kim Alvefur <zash@zash.se>
parents: 1819
diff changeset
274
1690
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
275 local provider = {};
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
276 function provider:open(store, typ)
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
277 if typ ~= "archive" then return nil, "unsupported-store"; end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
278 return setmetatable({ store = store }, archive_mt);
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
279 end
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
280
1819
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Kim Alvefur <zash@zash.se>
parents: 1793
diff changeset
281 function provider:purge(username)
2676
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
282 local encoded_username = dm.path_encode((username or "@") .. "@");
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
283 local basepath = prosody.paths.data .. "/" .. dm.path_encode(module.host);
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
284 for store in lfs.dir(basepath) do
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
285 store = basepath .. "/" .. dm.path_encode(store);
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
286 if lfs.attributes(store, "mode") == "directory" then
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
287 for file in lfs.dir(store) do
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
288 if file:sub(1, #encoded_username) == encoded_username then
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
289 if file:sub(-4) == ".xml" or file:sub(-5) == ".list" then
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
290 os.remove(store .. "/" .. file);
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
291 end
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
292 end
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
293 end
1b081c8fc1d9 mod_storage_xmlarchive: Attempt to clean up orphaned files despite util.datamanager or internal storage having deleted the date index file (fixes #725)
Kim Alvefur <zash@zash.se>
parents: 2675
diff changeset
294 return true;
1819
1b08597b5e6f mod_storage_xmlarchive: Add support for purging (used when deleting users)
Kim Alvefur <zash@zash.se>
parents: 1793
diff changeset
295 end
1b08597b5e6f mod_storage_xmlarchive: Add support for purging (used when deleting users)
Kim Alvefur <zash@zash.se>
parents: 1793
diff changeset
296 end
1b08597b5e6f mod_storage_xmlarchive: Add support for purging (used when deleting users)
Kim Alvefur <zash@zash.se>
parents: 1793
diff changeset
297 end
1b08597b5e6f mod_storage_xmlarchive: Add support for purging (used when deleting users)
Kim Alvefur <zash@zash.se>
parents: 1793
diff changeset
298
1690
8c0fbc685364 mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
Kim Alvefur <zash@zash.se>
parents:
diff changeset
299 module:provides("storage", provider);