Mercurial > prosody-modules
annotate mod_http_pep_avatar/mod_http_pep_avatar.lua @ 3965:2b10e51d85a6
mod_muc_limits: Add config option to limit to join stanzas only
This is a bit more limited in pre-0.11 MUC modules, because it just
detects stanzas sent to full JIDs (which would include all presence
and nick changes).
This option is useful for setups where users are typically unaffiliated,
but trusted (e.g. if access to the room is gated through some other
means such as password/token auth).
author | Matthew Wild <mwild1@gmail.com> |
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date | Fri, 03 Apr 2020 12:26:56 +0100 |
parents | 00bdecb12779 |
children | 02d238799537 |
rev | line source |
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mod_http_pep_avatar: Provides PEP avatars via HTTP
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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 local urlencode = require "util.http".urlencode; |
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10 |
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11 module:depends("http") |
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12 module:provides("http", { |
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13 route = { |
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14 ["GET /*"] = function (event, user) |
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15 if user == "" then |
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16 return [[<h1>Hello from mod_http_pep_avatar</h1><p>This module provides access to public avatars of local users.</p>]]; |
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17 end; |
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18 |
3423 | 19 local request, response = event.request, event.response; |
20 local actor = request.ip; | |
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21 |
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22 local prepped = nodeprep(user); |
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23 if not prepped then return 400; end |
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24 if prepped ~= user then |
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25 response.headers.location = module:http_url() .. "/" .. urlencode(prepped); |
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26 return 302; |
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27 end |
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28 if not um.user_exists(user, module.host) then |
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29 return 404; |
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30 end |
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31 |
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32 local pep_service = mod_pep.get_pep_service(user); |
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33 |
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34 local ok, avatar_hash, avatar_meta = pep_service:get_last_item("urn:xmpp:avatar:metadata", actor); |
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35 |
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36 if not ok or not avatar_hash then |
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37 return 404; |
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38 end |
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39 |
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40 if avatar_hash == request.headers.if_none_match then |
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41 return 304; |
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42 end |
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43 |
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44 local data_ok, avatar_data = pep_service:get_items("urn:xmpp:avatar:data", actor, avatar_hash); |
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45 if not data_ok or type(avatar_data) ~= "table" or not avatar_data[avatar_hash] then |
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46 return 404; |
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47 end |
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48 |
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49 response.headers.etag = avatar_hash; |
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50 |
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51 local info = avatar_meta.tags[1]:get_child("info"); |
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52 response.headers.content_type = info and info.attr.type or "application/octet-stream"; |
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53 |
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54 local data = avatar_data[avatar_hash]; |
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55 return base64_decode(data.tags[1]:get_text()); |
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56 end; |
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57 } |
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58 }); |