Class: Dependabot::Gradle::Package::VersionReleaseDateFallbackFetcher

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/dependabot/gradle/package/version_release_date_fallback_fetcher.rb

Instance Method Summary collapse

Constructor Details

#initialize(dependency_name:, repositories:, forbidden_urls:, pom_url_builder:) ⇒ VersionReleaseDateFallbackFetcher

Returns a new instance of VersionReleaseDateFallbackFetcher.



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# File 'lib/dependabot/gradle/package/version_release_date_fallback_fetcher.rb', line 22

def initialize(dependency_name:, repositories:, forbidden_urls:, pom_url_builder:)
  @dependency_name = dependency_name
  @repositories = repositories
  @forbidden_urls = forbidden_urls
  @pom_url_builder = pom_url_builder
  @cache = T.let({}, T::Hash[String, T.nilable(Time)])
  @preferred_repository_url = T.let(nil, T.nilable(String))
  @fallback_logged = T.let(false, T::Boolean)
end

Instance Method Details

#fetch(version) ⇒ Object 



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# File 'lib/dependabot/gradle/package/version_release_date_fallback_fetcher.rb', line 33

def fetch(version)
  return @cache[version] if @cache.key?(version)

  ordered_repositories.each do |repo|
    repository_url = repo.fetch("url")
    pom_url = @pom_url_builder.call(repository_url, version)

    begin
      response = Dependabot::RegistryClient.head(url: pom_url, headers: repo["auth_headers"])
      last_modified = response.headers["Last-Modified"] || response.headers["last-modified"]
      next unless last_modified

      released_at = Time.httpdate(last_modified)
      @preferred_repository_url = repository_url
      log_fallback_hit(version: version, repository_url: repository_url, released_at: released_at)
      @cache[version] = released_at
      return released_at
    rescue StandardError => e
      Dependabot.logger.debug(
        "Failed POM Last-Modified fallback for #{@dependency_name} version #{version} from " \
        "#{repository_url}: #{e.message}"
      )
    end
  end

  Dependabot.logger.debug(
    "No POM Last-Modified fallback release date found for #{@dependency_name} version #{version}"
  )
  @cache[version] = nil
end