Class: Pod::Command::Whitelist

Inherits:
Pod::Command show all
Defined in:
lib/cocoapods-whitelist/command/whitelist.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Whitelist

Returns a new instance of Whitelist.



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 29

def initialize(argv)
  @whitelist_url = argv ? argv.option('config', DEFAULT_WHITELIST_URL) : DEFAULT_WHITELIST_URL
  @pospec_path = argv ? argv.option('podspec') : nil
  @fail_on_error = argv ? argv.flag?('fail-on-error') : false
  @outfile = argv ? argv.option('outfile') : nil
  @failure = false
  super
end

Class Method Details

.options ⇒ Object 



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 21

def self.options
  [ ['--config=CONFIG', 'Config file or URL for the blacklist'],
    ['--podspec=PODSPEC', 'Podspec file to be lint'],
    ['--fail-on-error', 'Raise an exception in case of error'],
    ['--outfile=PATH', 'Output the linter results to a file']
  ].concat(super)
end

Instance Method Details

#get_podspec_specifications ⇒ Object 



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 138

def get_podspec_specifications
  if @pospec_path
    return [Pod::Specification.from_file(@pospec_path)]
  end
  # 1 Arg = Search .podspec in current directory
  # 2 Arg = Search .podspec in parent and sub directories. Some projects have Podfile into a subdirectory ("Example"), and run "pod install" from there.
  # 3 Arg = Search .podspec in all directories
  # 4 Arg = Search .podspec in parent and sub directories. Search is executed from children folder.
  podspec_search_paths = ["./*.podspec", "../*.podspec", "./**/*.podspec", "../**/*.podspec"]
  podspec_search_paths.each do |regex|
    pod_specs = Dir.glob(regex)
    if pod_specs.count != 0
      return pod_specs.map { |path|  Pod::Specification.from_file(path) }
    end
  end
end

#load_excluded ⇒ Object

Load a list of pods excluded from the validations, wrapped in ValidationExcluded.



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 180

def load_excluded
  path = File.expand_path("../../exclude/excluded.json", __FILE__)
  Pod::UI.notice "Path for excluded list is @:#{path}"
  file = File.read(path)
  @excluded_list = parse_excluded(file)
  @excluded_list_loaded = true
end

#parse_excluded(list) ⇒ Object

Aux function to populate the ValidationExcluded models from the JSON data.



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 189

def parse_excluded(list)
  json = JSON.parse(list)
  return json.map { |excluded|
      ValidationExcluded.new(excluded['name'], excluded['rules'])
  }
end

#prepare_outfile ⇒ Object 



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 167

def prepare_outfile
  if @outfile == nil
    return
  end

  if File.exist?(@outfile)
    FileUtils.rm(@outfile)
  elsif File.dirname(@outfile)
    FileUtils.mkdir_p(File.dirname(@outfile))
  end
end

#run ⇒ Object 



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 42

def run
  prepare_outfile
  whitelist = WhitelistResolver.instance.get_whitelist(@whitelist_url)
  load_excluded()
  specifications = get_podspec_specifications

  if specifications == nil || specifications.empty?
      UI.puts "No Podspec found".yellow
      return
  end

  specifications.map do |specification|
    unless @excluded_list.one? {|excluded| excluded.name == specification.name }
      Pod::UI.notice "#{specification.name} validating"
      validate_dependencies(JSON.parse(specification.to_json), whitelist)
    end
  end

  show_result_message
end

#show_error_message(message) ⇒ Object 



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 155

def show_error_message(message)
  unless @outfile == nil
    IO.write(@outfile, "#{message}\n", mode: 'a')
  end

  if @fail_on_error
    UI.puts message.red
  else
    UI.puts message.yellow
  end
end

#show_result_message ⇒ Object 



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 63

def show_result_message
  return unless @failure
  message = "Please check your dependencies.\nYou can see the allowed dependencies at #{@whitelist_url}"
  show_error_message(message)
  if @fail_on_error
    raise Informative.new()
  end
end

#validate! ⇒ Object 



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 38

def validate!
  help! "A whitelist file or URL is needed." unless @whitelist_url
end

#validate_dependencies(podspec, whitelist, parentName = nil) ⇒ Object

Checks the dependencies the project contains are in the whitelist



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# File 'lib/cocoapods-whitelist/command/whitelist.rb', line 73

def validate_dependencies(podspec, whitelist, parentName = nil)
  pod_name = parentName ? "#{parentName}/#{podspec['name']}" : podspec['name']
  UI.puts "Verifying dependencies in #{pod_name}".green

  dependencies = podspec["dependencies"] ? podspec["dependencies"] : []
  not_allowed = []

  dependencies.each do |name, versions|
    # Skip subspec dependency
    next if parentName && name.start_with?("#{parentName}/")

    if versions.length != 1
      not_allowed.push("#{name} (#{versions.join(", ")}) Reason: A specific version must be defined for every dependency (just one). " +
      "Suggestion: find this dependency in your Podspec and add the version listed in the whitelist.")
      next
    end

    allowedDependency = whitelist.select { |item|
      (/^#{item.name}/ =~ name) && (!item.version || versions.grep(/#{item.version}/).any?) && (item.target == 'production')
    }

    allowedDependency.each { |dependency|

      # Checks the granularity 
      if dependency.allows_granular_projects != nil
        granular_projects = dependency.allows_granular_projects.select { |granular_project|
          granular_project == pod_name
        }

        if granular_projects.empty?
          not_allowed.push("#{name} Reason: Granular dependency not allowed for this project.")
          next
        end
      end
    
      # Checks if any of the allowed dependencies are expired, if so, fail with error
      if dependency.expire?
        not_allowed.push("#{name} Reason: Expired version. Please check the whitelist.")
      end

    }
    
    if allowedDependency.empty?
      not_allowed.push("#{name} (#{versions.join(", ")}) Reason: Specified version hasn't match any whitelisted version or Pod name is not valid")
      next
    end
  end

  if not_allowed.any?
    severity = @fail_on_error ? "Error" : "Warning"
    show_error_message(" #{severity}: Found dependencies not allowed:")
    not_allowed.each {|dependency| show_error_message("  - #{dependency}")}
    @failure = true
  else
    UI.puts " OK".green
  end

  # Validate subspecs dependencies
  if podspec["subspecs"]
    podspec["subspecs"].each do |subspec|
      validate_dependencies(subspec, whitelist, pod_name)
    end
  end
end