Mercurial > prosody-modules
annotate mod_http_avatar/mod_http_avatar.lua @ 4409:44f6537f6427
mod_invites_adhoc: Fail contact invite if user is not on current host
Only the username was being used, and the host of the requester ignored.
Luckily this only affects admins of the host. If they want to create an
account they can use the other command. If they want to create a contact
they should request from their account on this host.
author | Matthew Wild <mwild1@gmail.com> |
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date | Thu, 28 Jan 2021 07:04:11 +0000 |
parents | 5b4e7db5943c |
children | 0f103a6e9ba4 |
rev | line source |
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1 -- Prosody IM |
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2 -- Copyright (C) 2018 Emmanuel Gil Peyrot |
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3 -- |
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4 -- This project is MIT/X11 licensed. Please see the |
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5 -- COPYING file in the source package for more information. |
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6 |
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7 local base64 = require"util.encodings".base64; |
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8 local sha1 = require"util.hashes".sha1; |
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9 local st = require"util.stanza"; |
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10 module:depends"http"; |
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11 |
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12 local vcard_storage = module:open_store"vcard"; |
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13 |
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14 local default_avatar = [[<svg xmlns='http://www.w3.org/2000/svg' version='1.1' viewBox='0 0 150 150'> |
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15 <rect width='150' height='150' fill='#888' stroke-width='1' stroke='#000'/> |
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16 <text x='75' y='100' text-anchor='middle' font-size='100'>?</text> |
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17 </svg>]]; |
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18 |
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19 local function get_avatar(event, path) |
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20 local request, response = event.request, event.response; |
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21 local photo_type, binval; |
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22 local vcard, err = vcard_storage:get(path); |
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23 if vcard then |
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24 vcard = st.deserialize(vcard); |
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25 local photo = vcard:get_child("PHOTO", "vcard-temp"); |
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26 if photo then |
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27 photo_type = photo:get_child_text("TYPE", "vcard-temp"); |
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28 binval = photo:get_child_text("BINVAL", "vcard-temp"); |
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29 end |
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30 end |
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31 if not photo_type or not binval then |
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32 response.status_code = 404; |
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33 response.headers.content_type = "image/svg+xml"; |
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34 return default_avatar; |
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35 end |
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36 local avatar = base64.decode(binval); |
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37 local hash = sha1(avatar, true); |
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38 if request.headers.if_none_match == hash then |
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39 return 304; |
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40 end |
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41 response.headers.content_type = photo_type; |
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42 response.headers.etag = hash; |
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43 return avatar; |
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44 end |
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45 |
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46 module:provides("http", { |
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47 route = { |
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48 ["GET /*"] = get_avatar; |
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49 }; |
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50 }); |