191 lines
6.2 KiB
Crystal
191 lines
6.2 KiB
Crystal
# "instances.invidio.us" (which is a status page)
|
|
# Copyright (C) 2019 Omar Roth
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as published
|
|
# by the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
require "http/client"
|
|
require "kemal"
|
|
require "uri"
|
|
|
|
Kemal::CLI.new ARGV
|
|
|
|
macro rendered(filename)
|
|
render "src/instances/views/#{{{filename}}}.ecr"
|
|
end
|
|
|
|
alias Instance = NamedTuple(flag: String?, region: String?, stats: JSON::Any?, cors: Bool?, api: Bool?, type: String, uri: String, monitor: JSON::Any?)
|
|
|
|
INSTANCES = {} of String => Instance
|
|
|
|
spawn do
|
|
loop do
|
|
monitors = [] of JSON::Any
|
|
begin
|
|
client = HTTP::Client.new(URI.parse("https://updown.io/p/resvf"))
|
|
client.connect_timeout = 10.seconds
|
|
client.read_timeout = 10.seconds
|
|
# Read only key for accessing the uptime checks
|
|
response = JSON.parse(client.get("/api/checks?api-key=ro-52iHyp6LBqQq7rGp4N7p").body)
|
|
monitors += response.as_a
|
|
rescue ex
|
|
puts "Error pulling monitors: #{ex.message}"
|
|
break
|
|
end
|
|
|
|
begin
|
|
body = HTTP::Client.get(URI.parse("https://raw.githubusercontent.com/iv-org/documentation/master/docs/instances.md")).body
|
|
rescue ex
|
|
body = ""
|
|
end
|
|
|
|
instances = {} of String => Instance
|
|
|
|
body = body.split("### Blocked:")[0]
|
|
body.scan(/\[(?<host>[^ \]]+)\]\((?<uri>[^\)]+)\)( .(?<region>[\x{1f100}-\x{1f1ff}]{2}))?/mx).each do |md|
|
|
region = md["region"]?.try { |region| region.codepoints.map { |codepoint| (codepoint - 0x1f1a5).chr }.join("") }
|
|
flag = md["region"]?
|
|
|
|
uri = URI.parse(md["uri"])
|
|
host = md["host"]
|
|
|
|
case type = host.split(".")[-1]
|
|
when "onion"
|
|
when "i2p"
|
|
else
|
|
type = uri.scheme.not_nil!
|
|
client = HTTP::Client.new(uri)
|
|
client.connect_timeout = 10.seconds
|
|
client.read_timeout = 10.seconds
|
|
begin
|
|
req = client.get("/api/v1/stats")
|
|
stats = JSON.parse(req.body)
|
|
|
|
api = false
|
|
cors = false
|
|
req = client.get("/api/v1/trending")
|
|
if req.status_code == 200
|
|
begin
|
|
cors = (req.headers["Access-Control-Allow-Origin"] == "*")
|
|
|
|
# Try to parse the json and validate the api response
|
|
trending = JSON.parse(req.body)
|
|
trending[0]["videoId"].as_s
|
|
api = true
|
|
rescue
|
|
puts "Cant parse API json"
|
|
end
|
|
end
|
|
rescue ex
|
|
stats = nil
|
|
end
|
|
end
|
|
|
|
monitor = monitors.try &.select { |monitor| monitor["alias"].try &.as_s == host }[0]?
|
|
instances[host] = {flag: flag, region: region, stats: stats, cors: cors, api: api, type: type, uri: uri.to_s, monitor: monitor || instances[host]?.try &.[:monitor]?}
|
|
end
|
|
|
|
INSTANCES.clear
|
|
INSTANCES.merge! instances
|
|
|
|
sleep 5.minutes
|
|
end
|
|
end
|
|
|
|
before_all do |env|
|
|
env.response.headers["X-XSS-Protection"] = "1; mode=block"
|
|
env.response.headers["X-Content-Type-Options"] = "nosniff"
|
|
env.response.headers["Referrer-Policy"] = "same-origin"
|
|
env.response.headers["Strict-Transport-Security"] = "max-age=31536000; includeSubDomains; preload"
|
|
end
|
|
|
|
get "/" do |env|
|
|
sort_by = env.params.query["sort_by"]?
|
|
sort_by ||= "type,users"
|
|
|
|
instances = sort_instances(INSTANCES, sort_by)
|
|
|
|
rendered "index"
|
|
end
|
|
|
|
get "/instances.json" do |env|
|
|
env.response.headers["Access-Control-Allow-Origin"] = "*"
|
|
env.response.content_type = "application/json; charset=utf-8"
|
|
|
|
sort_by = env.params.query["sort_by"]?
|
|
sort_by ||= "type,users"
|
|
|
|
instances = sort_instances(INSTANCES, sort_by)
|
|
|
|
if env.params.query["pretty"]?.try &.== "1"
|
|
instances.to_pretty_json
|
|
else
|
|
instances.to_json
|
|
end
|
|
end
|
|
|
|
error 404 do |env|
|
|
env.redirect "/"
|
|
halt env, status_code: 302, response: ""
|
|
end
|
|
|
|
static_headers do |response, filepath, filestat|
|
|
response.headers.add("Cache-Control", "max-age=86400")
|
|
end
|
|
|
|
SORT_PROCS = {
|
|
"health" => ->(alias : String, instance : Instance) { -(instance[:monitor]?.try &.["uptime"].as_f || 0.0) },
|
|
"location" => ->(alias : String, instance : Instance) { instance[:region]? || "ZZ" },
|
|
"name" => ->(name : String, instance : Instance) { name },
|
|
"signup" => ->(alias : String, instance : Instance) { instance[:stats]?.try &.["openRegistrations"]?.try { |bool| bool.as_bool ? 0 : 1 } || 2 },
|
|
"type" => ->(alias : String, instance : Instance) { instance[:type] },
|
|
"cors" => ->(alias : String, instance : Instance) { instance[:cors] == nil ? 2 : instance[:cors] ? 0 : 1 },
|
|
"api" => ->(alias : String, instance : Instance) { instance[:api] == nil ? 2 : instance[:api] ? 0 : 1 },
|
|
"users" => ->(alias : String, instance : Instance) { -(instance[:stats]?.try &.["usage"]?.try &.["users"]["total"].as_i || 0) },
|
|
"version" => ->(alias : String, instance : Instance) { instance[:stats]?.try &.["software"]?.try &.["version"].as_s.try &.split("-", 2)[0].split(".").map { |a| -a.to_i } || [0, 0, 0] },
|
|
}
|
|
|
|
def sort_instances(instances, sort_by)
|
|
instances = instances.to_a
|
|
sorts = sort_by.downcase.split("-", 2)[0].split(",").map { |s| SORT_PROCS[s] }
|
|
|
|
instances.sort! do |a, b|
|
|
compare = 0
|
|
sorts.each do |sort|
|
|
first = sort.call(a[0], a[1])
|
|
case first
|
|
when Int32
|
|
compare = first <=> sort.call(b[0], b[1]).as(Int32)
|
|
when Array(Int32)
|
|
compare = first <=> sort.call(b[0], b[1]).as(Array(Int32))
|
|
when Float64
|
|
compare = first <=> sort.call(b[0], b[1]).as(Float64)
|
|
when String
|
|
compare = first <=> sort.call(b[0], b[1]).as(String)
|
|
else
|
|
raise "Invalid proc"
|
|
end
|
|
break if compare != 0
|
|
end
|
|
compare
|
|
end
|
|
instances.reverse! if sort_by.ends_with?("-reverse")
|
|
instances
|
|
end
|
|
|
|
gzip true
|
|
public_folder "assets"
|
|
|
|
Kemal.config.powered_by_header = false
|
|
Kemal.run
|