prosody-modules
8357cabc31f6
mod_http_pep_avatar/mod_http_pep_avatar.lua

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mod_http_pep_avatar/mod_http_pep_avatar.lua @ 3431:8357cabc31f6

mod_measure_cpu: Also report the raw clock value, whatever that is
author Kim Alvefur <zash@zash.se>
date Sat, 05 Jan 2019 18:44:50 +0100
parent 3425:461429e0db58
child 3433:213679266dcb
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461429e0db58 mod_http_pep_avatar: Provides PEP avatars via HTTP
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diff changeset
1 -- HTTP Access to PEP Avatar
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2 -- By Kim Alvefur <zash@zash.se>
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3
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4 local mod_pep = module:depends"pep";
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5
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6 local um = require "core.usermanager";
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7 local nodeprep = require "util.encodings".stringprep.nodeprep;
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8 local base64_decode = require "util.encodings".base64.decode;
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9
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10 module:depends("http")
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11 module:provides("http", {
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12 route = {
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13 ["GET /*"] = function (event, user)
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14 local request, response = event.request, event.response;
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15 local actor = request.ip;
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16
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17 user = nodeprep(user);
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18 if not user then return 400; end
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19 if not um.user_exists(user, module.host) then
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20 return 404;
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21 end
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22
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23 local pep_service = mod_pep.get_pep_service(user);
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25 local ok, avatar_hash, avatar_meta = pep_service:get_last_item("urn:xmpp:avatar:metadata", actor);
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27 if not ok or not avatar_hash then
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28 return 404;
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29 end
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31 if avatar_hash == request.headers.if_none_match then
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32 return 304;
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33 end
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34
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35 local data_ok, avatar_data = pep_service:get_items("urn:xmpp:avatar:data", actor, avatar_hash);
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36 if not data_ok or type(avatar_data) ~= "table" or not avatar_data[avatar_hash] then
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37 return 404;
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38 end
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40 response.headers.etag = avatar_hash;
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41
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42 local info = avatar_meta.tags[1]:get_child("info");
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43 response.headers.content_type = info and info.attr.type or "application/octet-stream";
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44
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45 local data = avatar_data[avatar_hash];
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46 return base64_decode(data.tags[1]:get_text());
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47 end;
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48 }
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49 });