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- # "Invidious" (which is an alternative front-end to YouTube)
- # 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 "digest/md5"
- require "file_utils"
- # Require kemal, kilt, then our own overrides
- require "kemal"
- require "kilt"
- require "./ext/kemal_content_for.cr"
- require "./ext/kemal_static_file_handler.cr"
- require "athena-negotiation"
- require "openssl/hmac"
- require "option_parser"
- require "sqlite3"
- require "xml"
- require "yaml"
- require "compress/zip"
- require "protodec/utils"
- require "./invidious/database/*"
- require "./invidious/database/migrations/*"
- require "./invidious/http_server/*"
- require "./invidious/helpers/*"
- require "./invidious/yt_backend/*"
- require "./invidious/frontend/*"
- require "./invidious/videos/*"
- require "./invidious/jsonify/**"
- require "./invidious/*"
- require "./invidious/comments/*"
- require "./invidious/channels/*"
- require "./invidious/user/*"
- require "./invidious/search/*"
- require "./invidious/routes/**"
- require "./invidious/jobs/**"
- # Declare the base namespace for invidious
- module Invidious
- end
- # Simple alias to make code easier to read
- alias IV = Invidious
- CONFIG = Config.load
- HMAC_KEY = CONFIG.hmac_key
- PG_DB = DB.open CONFIG.database_url
- ARCHIVE_URL = URI.parse("https://archive.org")
- PUBSUB_URL = URI.parse("https://pubsubhubbub.appspot.com")
- REDDIT_URL = URI.parse("https://www.reddit.com")
- YT_URL = URI.parse("https://www.youtube.com")
- HOST_URL = make_host_url(Kemal.config)
- CHARS_SAFE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
- TEST_IDS = {"AgbeGFYluEA", "BaW_jenozKc", "a9LDPn-MO4I", "ddFvjfvPnqk", "iqKdEhx-dD4"}
- MAX_ITEMS_PER_PAGE = 1500
- REQUEST_HEADERS_WHITELIST = {"accept", "accept-encoding", "cache-control", "content-length", "if-none-match", "range"}
- RESPONSE_HEADERS_BLACKLIST = {"access-control-allow-origin", "alt-svc", "server"}
- HTTP_CHUNK_SIZE = 10485760 # ~10MB
- CURRENT_BRANCH = {{ "#{`git branch | sed -n '/* /s///p'`.strip}" }}
- CURRENT_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }}
- CURRENT_VERSION = {{ "#{`git log -1 --format=%ci | awk '{print $1}' | sed s/-/./g`.strip}" }}
- # This is used to determine the `?v=` on the end of file URLs (for cache busting). We
- # only need to expire modified assets, so we can use this to find the last commit that changes
- # any assets
- ASSET_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit -- assets`.strip}" }}
- SOFTWARE = {
- "name" => "invidious",
- "version" => "#{CURRENT_VERSION}-#{CURRENT_COMMIT}",
- "branch" => "#{CURRENT_BRANCH}",
- }
- YT_POOL = YoutubeConnectionPool.new(YT_URL, capacity: CONFIG.pool_size)
- # CLI
- Kemal.config.extra_options do |parser|
- parser.banner = "Usage: invidious [arguments]"
- parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{CONFIG.channel_threads})") do |number|
- begin
- CONFIG.channel_threads = number.to_i
- rescue ex
- puts "THREADS must be integer"
- exit
- end
- end
- parser.on("-f THREADS", "--feed-threads=THREADS", "Number of threads for refreshing feeds (default: #{CONFIG.feed_threads})") do |number|
- begin
- CONFIG.feed_threads = number.to_i
- rescue ex
- puts "THREADS must be integer"
- exit
- end
- end
- parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: #{CONFIG.output})") do |output|
- CONFIG.output = output
- end
- parser.on("-l LEVEL", "--log-level=LEVEL", "Log level, one of #{LogLevel.values} (default: #{CONFIG.log_level})") do |log_level|
- CONFIG.log_level = LogLevel.parse(log_level)
- end
- parser.on("-v", "--version", "Print version") do
- puts SOFTWARE.to_pretty_json
- exit
- end
- parser.on("--migrate", "Run any migrations (beta, use at your own risk!!") do
- Invidious::Database::Migrator.new(PG_DB).migrate
- exit
- end
- end
- Kemal::CLI.new ARGV
- if CONFIG.output.upcase != "STDOUT"
- FileUtils.mkdir_p(File.dirname(CONFIG.output))
- end
- OUTPUT = CONFIG.output.upcase == "STDOUT" ? STDOUT : File.open(CONFIG.output, mode: "a")
- LOGGER = Invidious::LogHandler.new(OUTPUT, CONFIG.log_level)
- # Check table integrity
- Invidious::Database.check_integrity(CONFIG)
- {% if !flag?(:skip_videojs_download) %}
- # Resolve player dependencies. This is done at compile time.
- #
- # Running the script by itself would show some colorful feedback while this doesn't.
- # Perhaps we should just move the script to runtime in order to get that feedback?
- {% puts "\nChecking player dependencies, this may take more than 20 minutes... If it is stuck, check your internet connection.\n" %}
- {% if flag?(:minified_player_dependencies) %}
- {% puts run("../scripts/fetch-player-dependencies.cr", "--minified").stringify %}
- {% else %}
- {% puts run("../scripts/fetch-player-dependencies.cr").stringify %}
- {% end %}
- {% puts "\nDone checking player dependencies, now compiling Invidious...\n" %}
- {% end %}
- # Start jobs
- if CONFIG.channel_threads > 0
- Invidious::Jobs.register Invidious::Jobs::RefreshChannelsJob.new(PG_DB)
- end
- if CONFIG.feed_threads > 0
- Invidious::Jobs.register Invidious::Jobs::RefreshFeedsJob.new(PG_DB)
- end
- DECRYPT_FUNCTION = DecryptFunction.new(CONFIG.decrypt_polling)
- if CONFIG.decrypt_polling
- Invidious::Jobs.register Invidious::Jobs::UpdateDecryptFunctionJob.new
- end
- if CONFIG.statistics_enabled
- Invidious::Jobs.register Invidious::Jobs::StatisticsRefreshJob.new(PG_DB, SOFTWARE)
- end
- if (CONFIG.use_pubsub_feeds.is_a?(Bool) && CONFIG.use_pubsub_feeds.as(Bool)) || (CONFIG.use_pubsub_feeds.is_a?(Int32) && CONFIG.use_pubsub_feeds.as(Int32) > 0)
- Invidious::Jobs.register Invidious::Jobs::SubscribeToFeedsJob.new(PG_DB, HMAC_KEY)
- end
- if CONFIG.popular_enabled
- Invidious::Jobs.register Invidious::Jobs::PullPopularVideosJob.new(PG_DB)
- end
- CONNECTION_CHANNEL = ::Channel({Bool, ::Channel(PQ::Notification)}).new(32)
- Invidious::Jobs.register Invidious::Jobs::NotificationJob.new(CONNECTION_CHANNEL, CONFIG.database_url)
- Invidious::Jobs.register Invidious::Jobs::ClearExpiredItemsJob.new
- Invidious::Jobs.start_all
- def popular_videos
- Invidious::Jobs::PullPopularVideosJob::POPULAR_VIDEOS.get
- end
- # Routing
- before_all do |env|
- Invidious::Routes::BeforeAll.handle(env)
- end
- Invidious::Routing.register_all
- error 404 do |env|
- Invidious::Routes::ErrorRoutes.error_404(env)
- end
- error 500 do |env, ex|
- error_template(500, ex)
- end
- static_headers do |response|
- response.headers.add("Cache-Control", "max-age=2629800")
- end
- # Init Kemal
- public_folder "assets"
- Kemal.config.powered_by_header = false
- add_handler FilteredCompressHandler.new
- add_handler APIHandler.new
- add_handler AuthHandler.new
- add_handler DenyFrame.new
- add_context_storage_type(Array(String))
- add_context_storage_type(Preferences)
- add_context_storage_type(Invidious::User)
- Kemal.config.logger = LOGGER
- Kemal.config.host_binding = Kemal.config.host_binding != "0.0.0.0" ? Kemal.config.host_binding : CONFIG.host_binding
- Kemal.config.port = Kemal.config.port != 3000 ? Kemal.config.port : CONFIG.port
- Kemal.config.app_name = "Invidious"
- # Use in kemal's production mode.
- # Users can also set the KEMAL_ENV environmental variable for this to be set automatically.
- {% if flag?(:release) || flag?(:production) %}
- Kemal.config.env = "production" if !ENV.has_key?("KEMAL_ENV")
- {% end %}
- Kemal.run
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