692 lines
26 KiB
Crystal
692 lines
26 KiB
Crystal
require "./macros"
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struct Nonce
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include DB::Serializable
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property nonce : String
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property expire : Time
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end
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struct SessionId
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include DB::Serializable
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property id : String
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property email : String
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property issued : String
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end
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struct Annotation
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include DB::Serializable
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property id : String
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property annotations : String
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end
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struct ConfigPreferences
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include YAML::Serializable
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property annotations : Bool = false
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property annotations_subscribed : Bool = false
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property autoplay : Bool = false
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property captions : Array(String) = ["", "", ""]
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property comments : Array(String) = ["youtube", ""]
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property continue : Bool = false
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property continue_autoplay : Bool = true
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property dark_mode : String = ""
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property latest_only : Bool = false
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property listen : Bool = false
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property local : Bool = false
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property locale : String = "en-US"
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property max_results : Int32 = 40
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property notifications_only : Bool = false
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property player_style : String = "invidious"
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property quality : String = "hd720"
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property quality_dash : String = "auto"
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property default_home : String? = "Popular"
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property feed_menu : Array(String) = ["Popular", "Trending", "Subscriptions", "Playlists"]
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property automatic_instance_redirect : Bool = false
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property related_videos : Bool = true
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property sort : String = "published"
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property speed : Float32 = 1.0_f32
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property thin_mode : Bool = false
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property unseen_only : Bool = false
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property video_loop : Bool = false
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property extend_desc : Bool = false
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property volume : Int32 = 100
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property vr_mode : Bool = true
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property show_nick : Bool = true
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def to_tuple
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{% begin %}
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{
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{{*@type.instance_vars.map { |var| "#{var.name}: #{var.name}".id }}}
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}
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{% end %}
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end
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end
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class Config
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include YAML::Serializable
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property channel_threads : Int32 = 1 # Number of threads to use for crawling videos from channels (for updating subscriptions)
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property feed_threads : Int32 = 1 # Number of threads to use for updating feeds
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property output : String = "STDOUT" # Log file path or STDOUT
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property log_level : LogLevel = LogLevel::Info # Default log level, valid YAML values are ints and strings, see src/invidious/helpers/logger.cr
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property db : DBConfig? = nil # Database configuration with separate parameters (username, hostname, etc)
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@[YAML::Field(converter: Preferences::URIConverter)]
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property database_url : URI = URI.parse("") # Database configuration using 12-Factor "Database URL" syntax
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property decrypt_polling : Bool = true # Use polling to keep decryption function up to date
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property full_refresh : Bool = false # Used for crawling channels: threads should check all videos uploaded by a channel
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property https_only : Bool? # Used to tell Invidious it is behind a proxy, so links to resources should be https://
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property hmac_key : String? # HMAC signing key for CSRF tokens and verifying pubsub subscriptions
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property domain : String? # Domain to be used for links to resources on the site where an absolute URL is required
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property use_pubsub_feeds : Bool | Int32 = false # Subscribe to channels using PubSubHubbub (requires domain, hmac_key)
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property popular_enabled : Bool = true
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property captcha_enabled : Bool = true
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property login_enabled : Bool = true
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property registration_enabled : Bool = true
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property statistics_enabled : Bool = false
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property admins : Array(String) = [] of String
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property external_port : Int32? = nil
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property default_user_preferences : ConfigPreferences = ConfigPreferences.from_yaml("")
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property dmca_content : Array(String) = [] of String # For compliance with DMCA, disables download widget using list of video IDs
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property check_tables : Bool = false # Check table integrity, automatically try to add any missing columns, create tables, etc.
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property cache_annotations : Bool = false # Cache annotations requested from IA, will not cache empty annotations or annotations that only contain cards
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property banner : String? = nil # Optional banner to be displayed along top of page for announcements, etc.
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property hsts : Bool? = true # Enables 'Strict-Transport-Security'. Ensure that `domain` and all subdomains are served securely
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property disable_proxy : Bool? | Array(String)? = false # Disable proxying server-wide: options: 'dash', 'livestreams', 'downloads', 'local'
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@[YAML::Field(converter: Preferences::FamilyConverter)]
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property force_resolve : Socket::Family = Socket::Family::UNSPEC # Connect to YouTube over 'ipv6', 'ipv4'. Will sometimes resolve fix issues with rate-limiting (see https://github.com/ytdl-org/youtube-dl/issues/21729)
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property port : Int32 = 3000 # Port to listen for connections (overrided by command line argument)
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property host_binding : String = "0.0.0.0" # Host to bind (overrided by command line argument)
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property pool_size : Int32 = 100 # Pool size for HTTP requests to youtube.com and ytimg.com (each domain has a separate pool of `pool_size`)
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property use_quic : Bool = true # Use quic transport for youtube api
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@[YAML::Field(converter: Preferences::StringToCookies)]
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property cookies : HTTP::Cookies = HTTP::Cookies.new # Saved cookies in "name1=value1; name2=value2..." format
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property captcha_key : String? = nil # Key for Anti-Captcha
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property captcha_api_url : String = "https://api.anti-captcha.com" # API URL for Anti-Captcha
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def disabled?(option)
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case disabled = CONFIG.disable_proxy
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when Bool
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return disabled
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when Array
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if disabled.includes? option
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return true
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else
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return false
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end
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else
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return false
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end
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end
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def self.load
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# Load config from file or YAML string env var
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env_config_file = "INVIDIOUS_CONFIG_FILE"
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env_config_yaml = "INVIDIOUS_CONFIG"
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config_file = ENV.has_key?(env_config_file) ? ENV.fetch(env_config_file) : "config/config.yml"
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config_yaml = ENV.has_key?(env_config_yaml) ? ENV.fetch(env_config_yaml) : File.read(config_file)
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config = Config.from_yaml(config_yaml)
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# Update config from env vars (upcased and prefixed with "INVIDIOUS_")
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{% for ivar in Config.instance_vars %}
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{% env_id = "INVIDIOUS_#{ivar.id.upcase}" %}
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if ENV.has_key?({{env_id}})
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# puts %(Config.{{ivar.id}} : Loading from env var {{env_id}})
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env_value = ENV.fetch({{env_id}})
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success = false
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# Use YAML converter if specified
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{% ann = ivar.annotation(::YAML::Field) %}
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{% if ann && ann[:converter] %}
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puts %(Config.{{ivar.id}} : Parsing "#{env_value}" as {{ivar.type}} with {{ann[:converter]}} converter)
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config.{{ivar.id}} = {{ann[:converter]}}.from_yaml(YAML::ParseContext.new, YAML::Nodes.parse(ENV.fetch({{env_id}})).nodes[0])
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puts %(Config.{{ivar.id}} : Set to #{config.{{ivar.id}}})
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success = true
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# Use regular YAML parser otherwise
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{% else %}
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{% ivar_types = ivar.type.union? ? ivar.type.union_types : [ivar.type] %}
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# Sort types to avoid parsing nulls and numbers as strings
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{% ivar_types = ivar_types.sort_by { |ivar_type| ivar_type == Nil ? 0 : ivar_type == Int32 ? 1 : 2 } %}
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{{ivar_types}}.each do |ivar_type|
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if !success
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begin
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# puts %(Config.{{ivar.id}} : Trying to parse "#{env_value}" as #{ivar_type})
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config.{{ivar.id}} = ivar_type.from_yaml(env_value)
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puts %(Config.{{ivar.id}} : Set to #{config.{{ivar.id}}} (#{ivar_type}))
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success = true
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rescue
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# nop
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end
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end
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end
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{% end %}
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# Exit on fail
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if !success
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puts %(Config.{{ivar.id}} failed to parse #{env_value} as {{ivar.type}})
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exit(1)
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end
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end
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{% end %}
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# Build database_url from db.* if it's not set directly
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if config.database_url.to_s.empty?
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if db = config.db
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config.database_url = URI.new(
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scheme: "postgres",
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user: db.user,
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password: db.password,
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host: db.host,
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port: db.port,
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path: db.dbname,
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)
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else
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puts "Config : Either database_url or db.* is required"
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exit(1)
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end
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end
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return config
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end
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end
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struct DBConfig
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include YAML::Serializable
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property user : String
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property password : String
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property host : String
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property port : Int32
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property dbname : String
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end
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def login_req(f_req)
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data = {
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# Unfortunately there's not much information available on `bgRequest`; part of Google's BotGuard
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# Generally this is much longer (>1250 characters), see also
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# https://github.com/ytdl-org/youtube-dl/commit/baf67a604d912722b0fe03a40e9dc5349a2208cb .
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# For now this can be empty.
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"bgRequest" => %|["identifier",""]|,
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"pstMsg" => "1",
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"checkConnection" => "youtube",
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"checkedDomains" => "youtube",
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"hl" => "en",
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"deviceinfo" => %|[null,null,null,[],null,"US",null,null,[],"GlifWebSignIn",null,[null,null,[]]]|,
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"f.req" => f_req,
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"flowName" => "GlifWebSignIn",
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"flowEntry" => "ServiceLogin",
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# "cookiesDisabled" => "false",
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# "gmscoreversion" => "undefined",
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# "continue" => "https://accounts.google.com/ManageAccount",
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# "azt" => "",
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# "bgHash" => "",
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}
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return HTTP::Params.encode(data)
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end
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def html_to_content(description_html : String)
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description = description_html.gsub(/(<br>)|(<br\/>)/, {
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"<br>": "\n",
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"<br/>": "\n",
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})
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if !description.empty?
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description = XML.parse_html(description).content.strip("\n ")
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end
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return description
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end
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def extract_videos(initial_data : Hash(String, JSON::Any), author_fallback : String? = nil, author_id_fallback : String? = nil)
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extract_items(initial_data, author_fallback, author_id_fallback).select(&.is_a?(SearchVideo)).map(&.as(SearchVideo))
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end
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def extract_item(item : JSON::Any, author_fallback : String? = nil, author_id_fallback : String? = nil)
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if i = (item["videoRenderer"]? || item["gridVideoRenderer"]?)
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video_id = i["videoId"].as_s
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title = i["title"].try { |t| t["simpleText"]?.try &.as_s || t["runs"]?.try &.as_a.map(&.["text"].as_s).join("") } || ""
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author_info = i["ownerText"]?.try &.["runs"]?.try &.as_a?.try &.[0]?
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author = author_info.try &.["text"].as_s || author_fallback || ""
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author_id = author_info.try &.["navigationEndpoint"]?.try &.["browseEndpoint"]["browseId"].as_s || author_id_fallback || ""
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published = i["publishedTimeText"]?.try &.["simpleText"]?.try { |t| decode_date(t.as_s) } || Time.local
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view_count = i["viewCountText"]?.try &.["simpleText"]?.try &.as_s.gsub(/\D+/, "").to_i64? || 0_i64
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description_html = i["descriptionSnippet"]?.try { |t| parse_content(t) } || ""
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length_seconds = i["lengthText"]?.try &.["simpleText"]?.try &.as_s.try { |t| decode_length_seconds(t) } ||
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i["thumbnailOverlays"]?.try &.as_a.find(&.["thumbnailOverlayTimeStatusRenderer"]?).try &.["thumbnailOverlayTimeStatusRenderer"]?
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.try &.["text"]?.try &.["simpleText"]?.try &.as_s.try { |t| decode_length_seconds(t) } || 0
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live_now = false
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premium = false
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premiere_timestamp = i["upcomingEventData"]?.try &.["startTime"]?.try { |t| Time.unix(t.as_s.to_i64) }
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i["badges"]?.try &.as_a.each do |badge|
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b = badge["metadataBadgeRenderer"]
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case b["label"].as_s
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when "LIVE NOW"
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live_now = true
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when "New", "4K", "CC"
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# TODO
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when "Premium"
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# TODO: Potentially available as i["topStandaloneBadge"]["metadataBadgeRenderer"]
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premium = true
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else nil # Ignore
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end
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end
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SearchVideo.new({
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title: title,
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id: video_id,
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author: author,
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ucid: author_id,
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published: published,
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views: view_count,
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description_html: description_html,
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length_seconds: length_seconds,
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live_now: live_now,
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premium: premium,
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premiere_timestamp: premiere_timestamp,
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})
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elsif i = item["channelRenderer"]?
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author = i["title"]["simpleText"]?.try &.as_s || author_fallback || ""
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author_id = i["channelId"]?.try &.as_s || author_id_fallback || ""
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author_thumbnail = i["thumbnail"]["thumbnails"]?.try &.as_a[0]?.try &.["url"]?.try &.as_s || ""
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subscriber_count = i["subscriberCountText"]?.try &.["simpleText"]?.try &.as_s.try { |s| short_text_to_number(s.split(" ")[0]) } || 0
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auto_generated = false
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auto_generated = true if !i["videoCountText"]?
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video_count = i["videoCountText"]?.try &.["runs"].as_a[0]?.try &.["text"].as_s.gsub(/\D/, "").to_i || 0
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description_html = i["descriptionSnippet"]?.try { |t| parse_content(t) } || ""
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SearchChannel.new({
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author: author,
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ucid: author_id,
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author_thumbnail: author_thumbnail,
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subscriber_count: subscriber_count,
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video_count: video_count,
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description_html: description_html,
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auto_generated: auto_generated,
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})
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elsif i = item["gridPlaylistRenderer"]?
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title = i["title"]["runs"].as_a[0]?.try &.["text"].as_s || ""
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plid = i["playlistId"]?.try &.as_s || ""
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video_count = i["videoCountText"]["runs"].as_a[0]?.try &.["text"].as_s.gsub(/\D/, "").to_i || 0
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playlist_thumbnail = i["thumbnail"]["thumbnails"][0]?.try &.["url"]?.try &.as_s || ""
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SearchPlaylist.new({
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title: title,
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id: plid,
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author: author_fallback || "",
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ucid: author_id_fallback || "",
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video_count: video_count,
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videos: [] of SearchPlaylistVideo,
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thumbnail: playlist_thumbnail,
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})
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elsif i = item["playlistRenderer"]?
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title = i["title"]["simpleText"]?.try &.as_s || ""
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plid = i["playlistId"]?.try &.as_s || ""
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video_count = i["videoCount"]?.try &.as_s.to_i || 0
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playlist_thumbnail = i["thumbnails"].as_a[0]?.try &.["thumbnails"]?.try &.as_a[0]?.try &.["url"].as_s || ""
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author_info = i["shortBylineText"]?.try &.["runs"]?.try &.as_a?.try &.[0]?
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author = author_info.try &.["text"].as_s || author_fallback || ""
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author_id = author_info.try &.["navigationEndpoint"]?.try &.["browseEndpoint"]["browseId"].as_s || author_id_fallback || ""
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videos = i["videos"]?.try &.as_a.map do |v|
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v = v["childVideoRenderer"]
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v_title = v["title"]["simpleText"]?.try &.as_s || ""
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v_id = v["videoId"]?.try &.as_s || ""
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v_length_seconds = v["lengthText"]?.try &.["simpleText"]?.try { |t| decode_length_seconds(t.as_s) } || 0
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SearchPlaylistVideo.new({
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title: v_title,
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id: v_id,
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length_seconds: v_length_seconds,
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})
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end || [] of SearchPlaylistVideo
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# TODO: i["publishedTimeText"]?
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SearchPlaylist.new({
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title: title,
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id: plid,
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author: author,
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ucid: author_id,
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video_count: video_count,
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videos: videos,
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thumbnail: playlist_thumbnail,
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})
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elsif i = item["radioRenderer"]? # Mix
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# TODO
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elsif i = item["showRenderer"]? # Show
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# TODO
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elsif i = item["shelfRenderer"]?
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elsif i = item["horizontalCardListRenderer"]?
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elsif i = item["searchPyvRenderer"]? # Ad
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end
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end
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def extract_items(initial_data : Hash(String, JSON::Any), author_fallback : String? = nil, author_id_fallback : String? = nil)
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items = [] of SearchItem
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channel_v2_response = initial_data
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.try &.["continuationContents"]?
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.try &.["gridContinuation"]?
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.try &.["items"]?
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if channel_v2_response
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channel_v2_response.try &.as_a.each { |item|
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extract_item(item, author_fallback, author_id_fallback)
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.try { |t| items << t }
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}
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else
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initial_data.try { |t| t["contents"]? || t["response"]? }
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.try { |t| t["twoColumnBrowseResultsRenderer"]?.try &.["tabs"].as_a.select(&.["tabRenderer"]?.try &.["selected"].as_bool)[0]?.try &.["tabRenderer"]["content"] ||
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t["twoColumnSearchResultsRenderer"]?.try &.["primaryContents"] ||
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t["continuationContents"]? }
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.try { |t| t["sectionListRenderer"]? || t["sectionListContinuation"]? }
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.try &.["contents"].as_a
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.each { |c| c.try &.["itemSectionRenderer"]?.try &.["contents"].as_a
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.try { |t| t[0]?.try &.["shelfRenderer"]?.try &.["content"]["expandedShelfContentsRenderer"]?.try &.["items"].as_a ||
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t[0]?.try &.["gridRenderer"]?.try &.["items"].as_a || t }
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.each { |item|
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extract_item(item, author_fallback, author_id_fallback)
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.try { |t| items << t }
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} }
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end
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items
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end
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def check_enum(db, enum_name, struct_type = nil)
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return # TODO
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if !db.query_one?("SELECT true FROM pg_type WHERE typname = $1", enum_name, as: Bool)
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LOGGER.info("check_enum: CREATE TYPE #{enum_name}")
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db.using_connection do |conn|
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conn.as(PG::Connection).exec_all(File.read("config/sql/#{enum_name}.sql"))
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end
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end
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end
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def check_table(db, table_name, struct_type = nil)
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# Create table if it doesn't exist
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begin
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db.exec("SELECT * FROM #{table_name} LIMIT 0")
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rescue ex
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LOGGER.info("check_table: check_table: CREATE TABLE #{table_name}")
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db.using_connection do |conn|
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conn.as(PG::Connection).exec_all(File.read("config/sql/#{table_name}.sql"))
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end
|
|
end
|
|
|
|
return if !struct_type
|
|
|
|
struct_array = struct_type.type_array
|
|
column_array = get_column_array(db, table_name)
|
|
column_types = File.read("config/sql/#{table_name}.sql").match(/CREATE TABLE public\.#{table_name}\n\((?<types>[\d\D]*?)\);/)
|
|
.try &.["types"].split(",").map { |line| line.strip }.reject &.starts_with?("CONSTRAINT")
|
|
|
|
return if !column_types
|
|
|
|
struct_array.each_with_index do |name, i|
|
|
if name != column_array[i]?
|
|
if !column_array[i]?
|
|
new_column = column_types.select { |line| line.starts_with? name }[0]
|
|
LOGGER.info("check_table: ALTER TABLE #{table_name} ADD COLUMN #{new_column}")
|
|
db.exec("ALTER TABLE #{table_name} ADD COLUMN #{new_column}")
|
|
next
|
|
end
|
|
|
|
# Column doesn't exist
|
|
if !column_array.includes? name
|
|
new_column = column_types.select { |line| line.starts_with? name }[0]
|
|
db.exec("ALTER TABLE #{table_name} ADD COLUMN #{new_column}")
|
|
end
|
|
|
|
# Column exists but in the wrong position, rotate
|
|
if struct_array.includes? column_array[i]
|
|
until name == column_array[i]
|
|
new_column = column_types.select { |line| line.starts_with? column_array[i] }[0]?.try &.gsub("#{column_array[i]}", "#{column_array[i]}_new")
|
|
|
|
# There's a column we didn't expect
|
|
if !new_column
|
|
LOGGER.info("check_table: ALTER TABLE #{table_name} DROP COLUMN #{column_array[i]}")
|
|
db.exec("ALTER TABLE #{table_name} DROP COLUMN #{column_array[i]} CASCADE")
|
|
|
|
column_array = get_column_array(db, table_name)
|
|
next
|
|
end
|
|
|
|
LOGGER.info("check_table: ALTER TABLE #{table_name} ADD COLUMN #{new_column}")
|
|
db.exec("ALTER TABLE #{table_name} ADD COLUMN #{new_column}")
|
|
|
|
LOGGER.info("check_table: UPDATE #{table_name} SET #{column_array[i]}_new=#{column_array[i]}")
|
|
db.exec("UPDATE #{table_name} SET #{column_array[i]}_new=#{column_array[i]}")
|
|
|
|
LOGGER.info("check_table: ALTER TABLE #{table_name} DROP COLUMN #{column_array[i]} CASCADE")
|
|
db.exec("ALTER TABLE #{table_name} DROP COLUMN #{column_array[i]} CASCADE")
|
|
|
|
LOGGER.info("check_table: ALTER TABLE #{table_name} RENAME COLUMN #{column_array[i]}_new TO #{column_array[i]}")
|
|
db.exec("ALTER TABLE #{table_name} RENAME COLUMN #{column_array[i]}_new TO #{column_array[i]}")
|
|
|
|
column_array = get_column_array(db, table_name)
|
|
end
|
|
else
|
|
LOGGER.info("check_table: ALTER TABLE #{table_name} DROP COLUMN #{column_array[i]} CASCADE")
|
|
db.exec("ALTER TABLE #{table_name} DROP COLUMN #{column_array[i]} CASCADE")
|
|
end
|
|
end
|
|
end
|
|
|
|
return if column_array.size <= struct_array.size
|
|
|
|
column_array.each do |column|
|
|
if !struct_array.includes? column
|
|
LOGGER.info("check_table: ALTER TABLE #{table_name} DROP COLUMN #{column} CASCADE")
|
|
db.exec("ALTER TABLE #{table_name} DROP COLUMN #{column} CASCADE")
|
|
end
|
|
end
|
|
end
|
|
|
|
def get_column_array(db, table_name)
|
|
column_array = [] of String
|
|
db.query("SELECT * FROM #{table_name} LIMIT 0") do |rs|
|
|
rs.column_count.times do |i|
|
|
column = rs.as(PG::ResultSet).field(i)
|
|
column_array << column.name
|
|
end
|
|
end
|
|
|
|
return column_array
|
|
end
|
|
|
|
def cache_annotation(db, id, annotations)
|
|
if !CONFIG.cache_annotations
|
|
return
|
|
end
|
|
|
|
body = XML.parse(annotations)
|
|
nodeset = body.xpath_nodes(%q(/document/annotations/annotation))
|
|
|
|
return if nodeset == 0
|
|
|
|
has_legacy_annotations = false
|
|
nodeset.each do |node|
|
|
if !{"branding", "card", "drawer"}.includes? node["type"]?
|
|
has_legacy_annotations = true
|
|
break
|
|
end
|
|
end
|
|
|
|
db.exec("INSERT INTO annotations VALUES ($1, $2) ON CONFLICT DO NOTHING", id, annotations) if has_legacy_annotations
|
|
end
|
|
|
|
def create_notification_stream(env, topics, connection_channel)
|
|
connection = Channel(PQ::Notification).new(8)
|
|
connection_channel.send({true, connection})
|
|
|
|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
|
|
|
|
since = env.params.query["since"]?.try &.to_i?
|
|
id = 0
|
|
|
|
if topics.includes? "debug"
|
|
spawn do
|
|
begin
|
|
loop do
|
|
time_span = [0, 0, 0, 0]
|
|
time_span[rand(4)] = rand(30) + 5
|
|
published = Time.utc - Time::Span.new(days: time_span[0], hours: time_span[1], minutes: time_span[2], seconds: time_span[3])
|
|
video_id = TEST_IDS[rand(TEST_IDS.size)]
|
|
|
|
video = get_video(video_id, PG_DB)
|
|
video.published = published
|
|
response = JSON.parse(video.to_json(locale))
|
|
|
|
if fields_text = env.params.query["fields"]?
|
|
begin
|
|
JSONFilter.filter(response, fields_text)
|
|
rescue ex
|
|
env.response.status_code = 400
|
|
response = {"error" => ex.message}
|
|
end
|
|
end
|
|
|
|
env.response.puts "id: #{id}"
|
|
env.response.puts "data: #{response.to_json}"
|
|
env.response.puts
|
|
env.response.flush
|
|
|
|
id += 1
|
|
|
|
sleep 1.minute
|
|
Fiber.yield
|
|
end
|
|
rescue ex
|
|
end
|
|
end
|
|
end
|
|
|
|
spawn do
|
|
begin
|
|
if since
|
|
topics.try &.each do |topic|
|
|
case topic
|
|
when .match(/UC[A-Za-z0-9_-]{22}/)
|
|
PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid = $1 AND published > $2 ORDER BY published DESC LIMIT 15",
|
|
topic, Time.unix(since.not_nil!), as: ChannelVideo).each do |video|
|
|
response = JSON.parse(video.to_json(locale))
|
|
|
|
if fields_text = env.params.query["fields"]?
|
|
begin
|
|
JSONFilter.filter(response, fields_text)
|
|
rescue ex
|
|
env.response.status_code = 400
|
|
response = {"error" => ex.message}
|
|
end
|
|
end
|
|
|
|
env.response.puts "id: #{id}"
|
|
env.response.puts "data: #{response.to_json}"
|
|
env.response.puts
|
|
env.response.flush
|
|
|
|
id += 1
|
|
end
|
|
else
|
|
# TODO
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
spawn do
|
|
begin
|
|
loop do
|
|
event = connection.receive
|
|
|
|
notification = JSON.parse(event.payload)
|
|
topic = notification["topic"].as_s
|
|
video_id = notification["videoId"].as_s
|
|
published = notification["published"].as_i64
|
|
|
|
if !topics.try &.includes? topic
|
|
next
|
|
end
|
|
|
|
video = get_video(video_id, PG_DB)
|
|
video.published = Time.unix(published)
|
|
response = JSON.parse(video.to_json(locale))
|
|
|
|
if fields_text = env.params.query["fields"]?
|
|
begin
|
|
JSONFilter.filter(response, fields_text)
|
|
rescue ex
|
|
env.response.status_code = 400
|
|
response = {"error" => ex.message}
|
|
end
|
|
end
|
|
|
|
env.response.puts "id: #{id}"
|
|
env.response.puts "data: #{response.to_json}"
|
|
env.response.puts
|
|
env.response.flush
|
|
|
|
id += 1
|
|
end
|
|
rescue ex
|
|
ensure
|
|
connection_channel.send({false, connection})
|
|
end
|
|
end
|
|
|
|
begin
|
|
# Send heartbeat
|
|
loop do
|
|
env.response.puts ":keepalive #{Time.utc.to_unix}"
|
|
env.response.puts
|
|
env.response.flush
|
|
sleep (20 + rand(11)).seconds
|
|
end
|
|
rescue ex
|
|
ensure
|
|
connection_channel.send({false, connection})
|
|
end
|
|
end
|
|
|
|
def extract_initial_data(body) : Hash(String, JSON::Any)
|
|
return JSON.parse(body.match(/(window\["ytInitialData"\]|var\s*ytInitialData)\s*=\s*(?<info>{.*?});<\/script>/mx).try &.["info"] || "{}").as_h
|
|
end
|
|
|
|
def proxy_file(response, env)
|
|
if response.headers.includes_word?("Content-Encoding", "gzip")
|
|
Compress::Gzip::Writer.open(env.response) do |deflate|
|
|
IO.copy response.body_io, deflate
|
|
end
|
|
elsif response.headers.includes_word?("Content-Encoding", "deflate")
|
|
Compress::Deflate::Writer.open(env.response) do |deflate|
|
|
IO.copy response.body_io, deflate
|
|
end
|
|
else
|
|
IO.copy response.body_io, env.response
|
|
end
|
|
end
|