brew/Library/Homebrew/cask/url.rb

# typed: strict
# frozen_string_literal: true

require "source_location"
require "utils/curl"

module Cask
  # Class corresponding to the `url` stanza.
  class URL < SimpleDelegator
    # Methods for the `url` stanza.
    class DSL
      sig { returns(T.any(URI::Generic, String)) }
      attr_reader :uri

      sig { returns(T.nilable(T::Hash[T.any(Symbol, String), String])) }
      attr_reader :revisions

      sig { returns(T.nilable(T::Boolean)) }
      attr_reader :trust_cert

      sig { returns(T.nilable(T::Hash[String, String])) }
      attr_reader :cookies, :data

      sig { returns(T.nilable(T.any(String, T::Array[String]))) }
      attr_reader :header

      sig { returns(T.nilable(T.any(URI::Generic, String))) }
      attr_reader :referer

      sig { returns(T::Hash[Symbol, T.untyped]) }
      attr_reader :specs

      sig { returns(T.nilable(T.any(Symbol, String))) }
      attr_reader :user_agent

      sig { returns(T.any(T::Class[AbstractDownloadStrategy], Symbol, NilClass)) }
      attr_reader :using

      sig { returns(T.nilable(String)) }
      attr_reader :tag, :branch, :revision, :only_path, :verified

      extend Forwardable

      def_delegators :uri, :path, :scheme, :to_s

      # Creates a `url` stanza.
      #
      # @api public
      sig {
        params(
          uri:        T.any(URI::Generic, String),
          verified:   T.nilable(String),
          using:      T.any(T::Class[AbstractDownloadStrategy], Symbol, NilClass),
          tag:        T.nilable(String),
          branch:     T.nilable(String),
          revisions:  T.nilable(T::Hash[T.any(Symbol, String), String]),
          revision:   T.nilable(String),
          trust_cert: T.nilable(T::Boolean),
          cookies:    T.nilable(T::Hash[String, String]),
          referer:    T.nilable(T.any(URI::Generic, String)),
          header:     T.nilable(T.any(String, T::Array[String])),
          user_agent: T.nilable(T.any(Symbol, String)),
          data:       T.nilable(T::Hash[String, String]),
          only_path:  T.nilable(String),
        ).void
      }
      def initialize(
        uri, verified: nil, using: nil, tag: nil, branch: nil, revisions: nil, revision: nil, trust_cert: nil,
        cookies: nil, referer: nil, header: nil, user_agent: nil, data: nil, only_path: nil
      )
        @uri = T.let(URI(uri), T.any(URI::Generic, String))

        header = Array(header) unless header.nil?

        specs = {}
        specs[:verified]   = @verified   = T.let(verified, T.nilable(String))
        specs[:using]      = @using      = T.let(using, T.any(T::Class[AbstractDownloadStrategy], Symbol, NilClass))
        specs[:tag]        = @tag        = T.let(tag, T.nilable(String))
        specs[:branch]     = @branch     = T.let(branch, T.nilable(String))
        specs[:revisions]  = @revisions  = T.let(revisions, T.nilable(T::Hash[T.any(Symbol, String), String]))
        specs[:revision]   = @revision   = T.let(revision, T.nilable(String))
        specs[:trust_cert] = @trust_cert = T.let(trust_cert, T.nilable(T::Boolean))
        specs[:cookies]    = @cookies    = T.let(cookies, T.nilable(T::Hash[String, String]))
        specs[:referer]    = @referer    = T.let(referer, T.nilable(T.any(URI::Generic, String)))
        specs[:headers]    = @header     = T.let(header, T.nilable(T.any(String, T::Array[String])))
        specs[:user_agent] = @user_agent = T.let(user_agent || :default, T.nilable(T.any(Symbol, String)))
        specs[:data]       = @data       = T.let(data, T.nilable(T::Hash[String, String]))
        specs[:only_path]  = @only_path  = T.let(only_path, T.nilable(String))

        @specs = T.let(specs.compact, T::Hash[Symbol, T.untyped])
      end
    end

    sig {
      params(
        uri:             T.nilable(T.any(URI::Generic, String)),
        verified:        T.nilable(String),
        using:           T.any(T::Class[AbstractDownloadStrategy], Symbol, NilClass),
        tag:             T.nilable(String),
        branch:          T.nilable(String),
        revisions:       T.nilable(T::Hash[T.any(Symbol, String), String]),
        revision:        T.nilable(String),
        trust_cert:      T.nilable(T::Boolean),
        cookies:         T.nilable(T::Hash[String, String]),
        referer:         T.nilable(T.any(URI::Generic, String)),
        header:          T.nilable(T.any(String, T::Array[String])),
        user_agent:      T.nilable(T.any(Symbol, String)),
        data:            T.nilable(T::Hash[String, String]),
        only_path:       T.nilable(String),
        caller_location: Thread::Backtrace::Location,
        dsl:             T.nilable(::Cask::DSL),
      ).void
    }
    def initialize(
      uri = nil, verified: nil, using: nil, tag: nil, branch: nil, revisions: nil, revision: nil, trust_cert: nil,
      cookies: nil, referer: nil, header: nil, user_agent: nil, data: nil, only_path: nil,
      caller_location: caller_locations.fetch(0), dsl: nil
    )
      super(
        DSL.new(T.must(uri), verified:, using:, tag:, branch:, revisions:, revision:, trust_cert:, cookies:,
        referer:, header:, user_agent:, data:, only_path:)
      )

      @caller_location = T.let(caller_location, Thread::Backtrace::Location)
    end

    sig { returns(Homebrew::SourceLocation) }
    def location
      Homebrew::SourceLocation.new(@caller_location.lineno, raw_url_line&.index("url"))
    end

    sig { params(ignore_major_version: T::Boolean).returns(T::Boolean) }
    def unversioned?(ignore_major_version: false)
      interpolated_url = raw_url_line&.then { |line| line[/url\s+"([^"]+)"/, 1] }

      return false unless interpolated_url

      interpolated_url = interpolated_url.gsub(/\#{\s*arch\s*}/, "")
      interpolated_url = interpolated_url.gsub(/\#{\s*version\s*\.major\s*}/, "") if ignore_major_version

      interpolated_url.exclude?('#{')
    end

    private

    sig { returns(T.nilable(String)) }
    def raw_url_line
      return @raw_url_line if defined?(@raw_url_line)

      @raw_url_line = T.let(Pathname(T.must(@caller_location.path))
                      .each_line
                      .drop(@caller_location.lineno - 1)
                      .first, T.nilable(String))
    end
  end
end