Class: Fastlane::Actions::VerifyXcodeAction

Inherits:
Fastlane::Action show all
Defined in:
lib/fastlane/actions/verify_xcode.rb

Documentation collapse

Class Method Summary collapse

Methods inherited from Fastlane::Action

action_name, author, method_missing, other_action, output, return_value, sh, step_text

Class Method Details

.authors ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 127

def self.authors
  ["KrauseFx"]
end

.available_options ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 115

def self.available_options
  [
    FastlaneCore::ConfigItem.new(key: :xcode_path,
                                 env_name: "FL_VERIFY_XCODE_XCODE_PATH",
                                 description: "The path to the Xcode installation to test",
                                 default_value: File.expand_path('../../', FastlaneCore::Helper.xcode_path),
                                 verify_block: proc do |value|
                                   UI.user_error!("Couldn't find Xcode at path '#{value}'") unless File.exist?(value)
                                 end)
  ]
end

.description ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 103

def self.description
  "Verifies that the Xcode installation is properly signed by Apple"
end

.details ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 107

def self.details
  [
    "This action was implemented after the recent Xcode attack to make sure",
    "you're not using a hacked Xcode installation.",
    "http://researchcenter.paloaltonetworks.com/2015/09/novel-malware-xcodeghost-modifies-xcode-infects-apple-ios-apps-and-hits-app-store/"
  ].join("\n")
end

.is_supported?(platform) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fastlane/actions/verify_xcode.rb', line 131

def self.is_supported?(platform)
  [:ios, :mac].include?(platform)
end

.run(params) ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 9

def self.run(params)
  UI.message("Verifying your Xcode installation at path '#{params[:xcode_path]}'...")

  # Check 1/2
  verify_codesign(params)

  # Check 2/2
  # More information https://developer.apple.com/news/?id=09222015a
  verify_gatekeeper(params)

  true
end

.show_and_raise_error(error, xcode_path) ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 89

def self.show_and_raise_error(error, xcode_path)
  UI.error("Attention: Your Xcode Installation could not be verified.")
  UI.error("If you believe that your Xcode is valid, please submit an issue on GitHub")
  if error
    UI.error("The following information couldn't be found:")
    UI.error(error)
  end
  UI.user_error!("The Xcode installation at path '#{xcode_path}' could not be verified.")
end

.verify(command: nil, must_includes: nil, params: nil) ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 73

def self.verify(command: nil, must_includes: nil, params: nil)
  output = Actions.sh(command)

  errors = []
  must_includes.each do |current|
    next if output.include?(current)
    errors << current
  end

  if errors.count > 0
    show_and_raise_error(errors.join("\n"), params[:xcode_path])
  end

  return output
end

.verify_codesign(params) ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 22

def self.verify_codesign(params)
  UI.message("Verifying Xcode was signed by Apple Inc.")

  codesign_output = Actions.sh("codesign --display --verbose=4 #{params[:xcode_path].shellescape}")

  # If the returned codesign info contains all entries for any one of these sets, we'll consider it valid
  accepted_codesign_detail_sets = [
    [ # Found on App Store installed Xcode installations
      "Identifier=com.apple.dt.Xcode",
      "Authority=Apple Mac OS Application Signing",
      "Authority=Apple Worldwide Developer Relations Certification Authority",
      "Authority=Apple Root CA",
      "TeamIdentifier=59GAB85EFG"
    ],
    [ # Found on Xcode installations downloaded from developer.apple.com
      "Identifier=com.apple.dt.Xcode",
      "Authority=Software Signing",
      "Authority=Apple Code Signing Certification Authority",
      "Authority=Apple Root CA",
      "TeamIdentifier=not set"
    ]
  ]

  # Map the accepted details sets into an equal number of sets collecting the details for which
  # the output of codesign did not have matches
  missing_details_sets = accepted_codesign_detail_sets.map do |accepted_details_set|
    accepted_details_set.reject { |detail| codesign_output.include?(detail) }
  end

  # If any of the sets is empty, it means that all details were matched, and the check is successful
  show_and_raise_error(nil, params[:xcode_path]) unless missing_details_sets.any?(&:empty?)

  UI.success("Successfully verified the code signature ✅")
end

.verify_gatekeeper(params) ⇒ Object 



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# File 'lib/fastlane/actions/verify_xcode.rb', line 57

def self.verify_gatekeeper(params)
  UI.message("Verifying Xcode using GateKeeper...")
  UI.message("This will take up to a few minutes, now is a great time to go for a coffee ☕...")

  command = "/usr/sbin/spctl --assess --verbose #{params[:xcode_path].shellescape}"
  must_includes = ['accepted']

  output = verify(command: command, must_includes: must_includes, params: params)

  if output.include?("source=Mac App Store") or output.include?("source=Apple") or output.include?("source=Apple System")
    UI.success("Successfully verified Xcode installation at path '#{params[:xcode_path]}' 🎧")
  else
    show_and_raise_error("Invalid Download Source of Xcode: #{output}", params[:xcode_path])
  end
end