Mercurial > prosody-modules
view mod_http_avatar/mod_http_avatar.lua @ 4887:806f7c8d830b
mod_ping_muc: Remove 'kick' status code
The intent is "you fell off", not "you were kicked out", however older
clients may not recognise the 333 code, but that will have to be an
acceptable loss.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 07 Feb 2022 16:52:19 +0100 |
parents | 5b4e7db5943c |
children | 0f103a6e9ba4 |
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-- Prosody IM -- Copyright (C) 2018 Emmanuel Gil Peyrot -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. local base64 = require"util.encodings".base64; local sha1 = require"util.hashes".sha1; local st = require"util.stanza"; module:depends"http"; local vcard_storage = module:open_store"vcard"; local default_avatar = [[<svg xmlns='http://www.w3.org/2000/svg' version='1.1' viewBox='0 0 150 150'> <rect width='150' height='150' fill='#888' stroke-width='1' stroke='#000'/> <text x='75' y='100' text-anchor='middle' font-size='100'>?</text> </svg>]]; local function get_avatar(event, path) local request, response = event.request, event.response; local photo_type, binval; local vcard, err = vcard_storage:get(path); if vcard then vcard = st.deserialize(vcard); local photo = vcard:get_child("PHOTO", "vcard-temp"); if photo then photo_type = photo:get_child_text("TYPE", "vcard-temp"); binval = photo:get_child_text("BINVAL", "vcard-temp"); end end if not photo_type or not binval then response.status_code = 404; response.headers.content_type = "image/svg+xml"; return default_avatar; end local avatar = base64.decode(binval); local hash = sha1(avatar, true); if request.headers.if_none_match == hash then return 304; end response.headers.content_type = photo_type; response.headers.etag = hash; return avatar; end module:provides("http", { route = { ["GET /*"] = get_avatar; }; });