Class: DependencySpy::API

Inherits:
Object
  • Object
show all
Defined in:
lib/dependency_spy.rb

Class Method Summary collapse

Class Method Details

.check(path = Dir.pwd, files = nil, platform = nil, database_path = YAVDB::Constants::DEFAULT_YAVDB_DATABASE_PATH, offline = false) ⇒ Object



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# File 'lib/dependency_spy.rb', line 31

def self.check(path = Dir.pwd, files = nil, platform = nil, database_path = YAVDB::Constants::DEFAULT_YAVDB_DATABASE_PATH, offline = false)
  if !File.exist?(database_path) && offline
    puts 'No local database found. Cannot obtain database since offline mode is enabled.'
    exit(10)
  elsif !offline
    puts 'Going to update the local vulnerability database.'
    YAVDB::API.download_database(false, YAVDB::Constants::DEFAULT_YAVDB_PATH)
  end

  path             = File.expand_path(path)
  package_managers = find_platform(platform)
  file_list        = if !files.nil?
                       files.split(',')
                     elsif File.file?(path)
                       path = File.dirname(path)
                       [File.basename(path)]
                     else
                       cmd = `find #{path} -type f | grep -vE "#{Bibliothecary.ignored_files_regex}"`
                       cmd.split("\n").sort
                     end
  manifests        = package_managers.map { |pm| pm.analyse(path, file_list) }.flatten.compact
  manifests.map do |manifest|
    package_manager   = manifest[:platform]
    manifest_filename = manifest[:path]
    manifest_kind     = manifest[:kind]

    dependency_vulns = manifest[:dependencies].map do |dependency|
      package_name = dependency[:name] || dependency['name']
      version      = dependency[:requirement] || dependency['version']
      type         = dependency[:type] || dependency['type']

      package_vulns = vulns(manifest[:platform], package_name, database_path)

      vulnerabilities = package_vulns.select do |vuln|
        vulnerable = vuln.vulnerable_versions ? vuln.vulnerable_versions.any? { |vv| DependencySpy::SemVer.intersects(vv, version) } : false
        unaffected = vuln.unaffected_versions ? vuln.unaffected_versions.any? { |vu| DependencySpy::SemVer.intersects(vu, version) } : false
        patched    = vuln.patched_versions ? vuln.patched_versions.any? { |vp| DependencySpy::SemVer.intersects(vp, version) } : false

        if unaffected || patched
          false
        else
          vulnerable
        end
      end

      Dependency.new(package_name, version, type, vulnerabilities.uniq)
    end

    Manifest.new(package_manager, manifest_filename, manifest_kind, dependency_vulns.uniq)
  end
end

.update(vuln_repo_path = YAVDB::Constants::DEFAULT_YAVDB_PATH) ⇒ Object



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# File 'lib/dependency_spy.rb', line 83

def self.update(vuln_repo_path = YAVDB::Constants::DEFAULT_YAVDB_PATH)
  YAVDB::API.download_database(true, vuln_repo_path)
end