mirror of
https://github.com/iv-org/invidious.git
synced 2024-08-19 02:23:22 +02:00
165 lines
5.4 KiB
Crystal
Executable File
165 lines
5.4 KiB
Crystal
Executable File
require "http"
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require "yaml"
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require "digest/sha1"
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require "option_parser"
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require "colorize"
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# Taken from https://crystal-lang.org/api/1.1.1/OptionParser.html
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minified = false
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OptionParser.parse do |parser|
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parser.banner = "Usage: Fetch VideoJS dependencies [arguments]"
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parser.on("-m", "--minified", "Use minified versions of VideoJS dependencies (performance and bandwidth benefit)") { minified = true }
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parser.on("-h", "--help", "Show this help") do
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puts parser
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exit
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end
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parser.invalid_option do |flag|
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STDERR.puts "ERROR: #{flag} is not a valid option."
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STDERR.puts parser
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exit(1)
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end
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end
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required_dependencies = File.open("videojs-dependencies.yml") do |file|
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YAML.parse(file).as_h
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end
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def update_versions_yaml(required_dependencies, minified, dep_name)
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File.open("assets/videojs/#{dep_name}/versions.yml", "w") do |io|
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YAML.build(io) do |builder|
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builder.mapping do
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# Versions
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builder.scalar "version"
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builder.scalar "#{required_dependencies[dep_name]["version"]}"
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builder.scalar "minified"
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builder.scalar minified
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end
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end
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end
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end
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# The first step is to check which dependencies we'll need to install.
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# If the version we have requested in `videojs-dependencies.yml` is the
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# same as what we've installed, we shouldn't do anything. Likewise, if it's
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# different or the requested dependency just isn't present, then it needs to be
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# installed.
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# Since we can't know when videojs-youtube-annotations is updated, we'll just always fetch
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# a new copy each time.
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dependencies_to_install = [] of String
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required_dependencies.keys.each do |dep|
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dep = dep.to_s
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path = "assets/videojs/#{dep}"
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# Check for missing dependencies
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if !Dir.exists?(path)
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Dir.mkdir(path)
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dependencies_to_install << dep
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else
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config = File.open("#{path}/versions.yml") do |file|
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YAML.parse(file).as_h
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end
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if config["version"].as_s != required_dependencies[dep]["version"].as_s || config["minified"].as_bool != minified
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`rm -rf #{path}/*.js #{path}/*.css`
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dependencies_to_install << dep
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end
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end
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end
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# Now we begin the fun part of installing the dependencies.
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# But first we'll setup a temp directory to store the plugins
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tmp_dir_path = "#{Dir.tempdir}/invidious-videojs-dep-install"
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Dir.mkdir(tmp_dir_path) if !Dir.exists? tmp_dir_path
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channel = Channel(String | Exception).new
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dependencies_to_install.each do |dep|
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spawn do
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dep_name = dep
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download_path = "#{tmp_dir_path}/#{dep}"
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dest_path = "assets/videojs/#{dep}"
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HTTP::Client.get("https://registry.npmjs.org/#{dep}/-/#{dep}-#{required_dependencies[dep]["version"]}.tgz") do |response|
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Dir.mkdir(download_path)
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data = response.body_io.gets_to_end
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File.write("#{download_path}/package.tgz", data)
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# https://github.com/iv-org/invidious/pull/2397#issuecomment-922375908
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if `sha1sum #{download_path}/package.tgz`.split(" ")[0] != required_dependencies[dep]["shasum"]
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raise Exception.new("Checksum for '#{dep}' failed")
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end
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end
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# Unless we install an external dependency, crystal provides no way of extracting a tarball.
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# Thus we'll go ahead and call a system command.
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`tar -vzxf '#{download_path}/package.tgz' -C '#{download_path}'`
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raise "Extraction for #{dep} failed" if !$?.success?
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# Would use File.rename in the following steps but for some reason it just doesn't work here.
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# Video.js itself is structured slightly differently
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dep = "video" if dep == "video.js"
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# This dep nests everything under an additional JS or CSS folder
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if dep == "silvermine-videojs-quality-selector"
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js_path = "js/"
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# It also stores their quality selector as `quality-selector.css`
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`mv #{download_path}/package/dist/css/quality-selector.css #{dest_path}/quality-selector.css`
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else
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js_path = ""
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end
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# Would use File.rename but for some reason it just doesn't work here.
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if minified && File.exists?("#{download_path}/package/dist/#{js_path}#{dep}.min.js")
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`mv #{download_path}/package/dist/#{js_path}#{dep}.min.js #{dest_path}/#{dep}.js`
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else
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`mv #{download_path}/package/dist/#{js_path}#{dep}.js #{dest_path}/#{dep}.js`
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end
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# Fetch CSS which isn't guaranteed to exist
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#
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# Also, video JS changes structure here once again...
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dep = "video-js" if dep == "video"
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# VideoJS marker uses a dot on the CSS files.
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dep = "videojs.markers" if dep == "videojs-markers"
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if File.exists?("#{download_path}/package/dist/#{dep}.css")
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if minified && File.exists?("#{tmp_dir_path}/#{dep}/package/dist/#{dep}.min.css")
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`mv #{download_path}/package/dist/#{dep}.min.css #{dest_path}/#{dep}.css`
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else
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`mv #{download_path}/package/dist/#{dep}.css #{dest_path}/#{dep}.css`
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end
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end
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# Update/create versions file for the dependency
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update_versions_yaml(required_dependencies, minified, dep_name)
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channel.send(dep_name)
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rescue ex
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channel.send(ex)
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end
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end
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if dependencies_to_install.empty?
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puts "#{"Player".colorize(:blue)} #{"dependencies".colorize(:green)} are satisfied"
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else
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puts "#{"Resolving".colorize(:green)} #{"player".colorize(:blue)} dependencies"
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dependencies_to_install.size.times do
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result = channel.receive
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if result.is_a? Exception
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raise result
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end
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puts "#{"Fetched".colorize(:green)} #{result.colorize(:blue)}"
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end
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end
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# Cleanup
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`rm -rf #{tmp_dir_path}`
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