Class: Dependabot::Maven::FileParser::PomFetcher

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/dependabot/maven/file_parser/pom_fetcher.rb

Instance Method Summary collapse

Constructor Details

#initialize(dependency_files:) ⇒ PomFetcher

Returns a new instance of PomFetcher.



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# File 'lib/dependabot/maven/file_parser/pom_fetcher.rb', line 18

def initialize(dependency_files:)
  @dependency_files = dependency_files
  @poms = T.let({}, T::Hash[String, DependencyFile])
end

Instance Method Details

#fetch_remote_parent_pom(group_id, artifact_id, version, urls_to_try) ⇒ Object 



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# File 'lib/dependabot/maven/file_parser/pom_fetcher.rb', line 55

def fetch_remote_parent_pom(group_id, artifact_id, version, urls_to_try)
  pom_id = "#{group_id}:#{artifact_id}:#{version}"
  return @poms[pom_id] if @poms.key?(pom_id)

  urls_to_try.each do |base_url|
    url =
      if version.include?("SNAPSHOT")
        fetch_snapshot_pom_url(group_id, artifact_id, version, base_url)
      else
        remote_pom_url(group_id, artifact_id, version, base_url)
      end
    next if url.nil?

    response = fetch(url)
    next unless response.status == 200
    next unless pom?(response.body)

    dependency_file = DependencyFile.new(
      name: "remote_pom.xml",
      content: response.body
    )

    @poms[pom_id] = dependency_file
    return dependency_file
  rescue Excon::Error::Socket, Excon::Error::Timeout,
         Excon::Error::TooManyRedirects, URI::InvalidURIError
    nil
  end

  # If a parent POM couldn't be found, return `nil`
  nil
end

#internal_dependency_poms ⇒ Object 



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# File 'lib/dependabot/maven/file_parser/pom_fetcher.rb', line 24

def internal_dependency_poms
  return @internal_dependency_poms if @internal_dependency_poms

  @internal_dependency_poms = T.let({}, T.nilable(T::Hash[String, DependencyFile]))
  dependency_files.each do |pom|
    doc = Nokogiri::XML(pom.content)
    group_id = doc.at_css("project > groupId") ||
               doc.at_css("project > parent > groupId")
    artifact_id = doc.at_css("project > artifactId")

    next unless group_id && artifact_id

    dependency_name = [
      group_id.content.strip,
      artifact_id.content.strip
    ].join(":")

    T.must(@internal_dependency_poms)[dependency_name] = pom
  end

  T.must(@internal_dependency_poms)
end