Class: Gem::Guardian::RubygemsClient

Inherits:
Object
  • Object
show all
Defined in:
lib/gem/guardian/rubygems_client.rb

Constant Summary collapse

DEFAULT_HOST = 
"https://rubygems.org"

Instance Method Summary collapse

Constructor Details

#initialize(host: DEFAULT_HOST, http: Net::HTTP) ⇒ RubygemsClient

Returns a new instance of RubygemsClient.



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# File 'lib/gem/guardian/rubygems_client.rb', line 12

def initialize(host: DEFAULT_HOST, http: Net::HTTP)
  @host = host.delete_suffix("/")
  @http = http
end

Instance Method Details

#download_gem(dependency, destination) ⇒ Object 



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# File 'lib/gem/guardian/rubygems_client.rb', line 29

def download_gem(dependency, destination)
  body = get("/downloads/#{dependency.gem_filename}")
  File.binwrite(destination, body)
  destination
rescue StandardError => e
  raise ArtifactFetchError, "Could not fetch #{dependency.gem_filename}: #{e.message}"
end

#expected_sha256(dependency) ⇒ Object

Raises:



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# File 'lib/gem/guardian/rubygems_client.rb', line 17

def expected_sha256(dependency)
  versions = JSON.parse(get("/api/v1/versions/#{dependency.name}.json"))
  version = versions.find do |item|
    item["number"] == dependency.version && platform_matches?(item["platform"], dependency.platform)
  end

  sha = version && (version["sha"] || version["sha256"] || version["checksum"])
  raise ChecksumNotFound, "No SHA256 found for #{dependency.name} #{dependency.version} #{dependency.platform}" if blank?(sha)

  sha.downcase
end