92 lines
2.1 KiB
Ruby
92 lines
2.1 KiB
Ruby
# typed: true
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# frozen_string_literal: true
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require "fileutils"
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require "cask/cache"
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require "cask/quarantine"
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module Cask
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# A download corresponding to a {Cask}.
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#
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# @api private
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class Download
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include Context
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attr_reader :cask
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def initialize(cask, quarantine: nil)
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@cask = cask
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@quarantine = quarantine
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end
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def fetch(verify_download_integrity: true)
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downloaded_path = begin
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downloader.fetch
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downloader.cached_location
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rescue => e
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error = CaskError.new("Download failed on Cask '#{cask}' with message: #{e}")
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error.set_backtrace e.backtrace
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raise error
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end
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quarantine(downloaded_path)
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self.verify_download_integrity(downloaded_path) if verify_download_integrity
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downloaded_path
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end
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def downloader
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@downloader ||= begin
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strategy = DownloadStrategyDetector.detect(cask.url.to_s, cask.url.using)
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strategy.new(cask.url.to_s, cask.token, cask.version, cache: Cache.path, **cask.url.specs)
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end
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end
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def time_file_size
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downloader.resolved_time_file_size
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end
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def clear_cache
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downloader.clear_cache
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end
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def cached_download
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downloader.cached_location
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end
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def basename
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downloader.basename
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end
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def verify_download_integrity(fn)
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if @cask.sha256 == :no_check
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opoo "No checksum defined for cask '#{@cask}', skipping verification."
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return
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end
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begin
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ohai "Verifying checksum for cask '#{@cask}'" if verbose?
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fn.verify_checksum(@cask.sha256)
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rescue ChecksumMissingError
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opoo <<~EOS
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Cannot verify integrity of '#{fn.basename}'.
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No checksum was provided for this cask.
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For your reference, the checksum is:
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sha256 "#{fn.sha256}"
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EOS
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end
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end
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private
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def quarantine(path)
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return if @quarantine.nil?
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return unless Quarantine.available?
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if @quarantine
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Quarantine.cask!(cask: @cask, download_path: path)
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else
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Quarantine.release!(download_path: path)
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end
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end
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end
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end
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