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6d822d9a62
- I originally thought this was short for "function", but upon closer inspection all its usages are to do with filenames. So, use "filename", it's clearer.
93 lines
2.2 KiB
Ruby
93 lines
2.2 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(quiet: nil, verify_download_integrity: true, timeout: nil)
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downloaded_path = begin
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downloader.shutup! if quiet
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downloader.fetch(timeout: timeout)
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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(timeout: nil)
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downloader.resolved_time_file_size(timeout: timeout)
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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(filename)
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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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filename.verify_checksum(@cask.sha256)
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rescue ChecksumMissingError
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opoo <<~EOS
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Cannot verify integrity of '#{filename.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 "#{filename.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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