Mercurial > prosody-modules
view mod_http_avatar/mod_http_avatar.lua @ 5648:c217f4edfc4f
misc/mtail: Start of an mtail config
Stashing it here in case anyone wants to continue working on it.
Currently it's only counting log messages by level.
Due to the permissions set by systemd on Prosody logs, mtail never
managed to start correctly until permissions were manually relaxed.
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 17 Sep 2023 13:36:30 +0200 |
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; }; });