author | Kim Alvefur <zash@zash.se> |
Sat, 06 Apr 2024 17:55:23 +0200 | |
changeset 5884 | eb1c524a5150 |
parent 4986 | 8a4b17e2e984 |
permissions | -rw-r--r-- |
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-- MIT License |
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-- |
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-- Copyright (c) 2018 Kim Alvefur |
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-- |
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-- Permission is hereby granted, free of charge, to any person obtaining a copy |
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-- of this software and associated documentation files (the "Software"), to deal |
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-- in the Software without restriction, including without limitation the rights |
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-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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-- copies of the Software, and to permit persons to whom the Software is |
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-- furnished to do so, subject to the following conditions: |
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-- |
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-- The above copyright notice and this permission notice shall be included in |
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-- all copies or substantial portions of the Software. |
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-- |
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-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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-- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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-- IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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-- CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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-- TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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-- SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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|
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module:depends"http"; |
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local jid_prep = require "util.jid".prep; |
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local jid_split = require "util.jid".split; |
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|
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-- Support both old and new MUC code |
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local mod_muc = module:depends"muc"; |
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local rooms = rawget(mod_muc, "rooms"); |
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local get_room_from_jid = rawget(mod_muc, "get_room_from_jid") or |
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function (jid) |
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return rooms[jid]; |
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end |
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|
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-- I believe the origins of this template to be in the public domain as per |
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-- https://github.com/badges/shields/blob/master/LICENSE.md |
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local template = module:get_option_string("badge_template", [[ |
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<?xml version="1.0"?> |
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<svg xmlns="http://www.w3.org/2000/svg" width="{width}" height="20"> |
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<linearGradient id="b" x2="0" y2="100%"> |
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<stop offset="0" stop-color="#bbb" stop-opacity=".1"/> |
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<stop offset="1" stop-opacity=".1"/> |
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</linearGradient> |
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<clipPath id="a"> |
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<rect width="{width}" height="20" rx="3" fill="#fff"/> |
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</clipPath> |
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<g clip-path="url(#a)"> |
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<path fill="#555" d="M0 0h{labelwidth}v20H0z"/> |
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<path fill="#fe7d37" d="M{labelwidth} 0h{countwidth}v20H{labelwidth}z"/> |
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<path fill="url(#b)" d="M0 0h{width}v20H0z"/> |
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</g> |
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<g fill="#fff" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11" xml:space="preserve"> |
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<text fill="#010101" fill-opacity=".3" y="14" x="0" textLength="{labelwidth}">{label}</text> |
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<text y="13" x="0" textLength="{labelwidth}">{label}</text> |
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<text fill="#010101" fill-opacity=".3" y="14" x="{labelwidth}" textLength="{countwidth}">{number}</text> |
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<text y="13" x="{labelwidth}" textLength="{countwidth}">{number}</text> |
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</g> |
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</svg> |
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]]); |
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template = assert(require "util.template"(template)); |
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|
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local number = module:get_option_string("badge_count", "%d online"); |
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local charwidth = 7; |
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|
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module:provides("http", { |
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route = { |
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["GET /*"] = function (event, path) |
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local jid = jid_prep(path); |
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if not jid then return end |
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|
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local room = get_room_from_jid(jid); |
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if not room then return end |
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if (room.get_hidden or room.is_hidden)(room) then return end |
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|
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local count = 0; |
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for _ in pairs(room._occupants) do |
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count = count + 1; |
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end |
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local badge_label = (" %s "):format(room:get_name() or jid_split(jid)); |
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local badge_count = (" %s "):format(string.format(number, count)); |
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|
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local response = event.response; |
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response.headers.content_type = "image/svg+xml"; |
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local svg = [[<?xml version="1.0"?>]] .. |
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tostring(template.apply({ |
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label = badge_label; |
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number = badge_count; |
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width = ("%d"):format( (#badge_label + #badge_count) * charwidth ); |
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labelwidth = ("%d"):format( #badge_label * charwidth ); |
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countwidth = ("%d"):format( #badge_count * charwidth ); |
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})); |
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return svg; |
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end; |
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} |
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}); |