Gecko [ fernandoquevedodop.com ]

Name	Size	Permission
autoload	[ DIR ]	drwxr-xr-x
cache	[ DIR ]	drwxr-xr-x
utils	[ DIR ]	drwxr-xr-x
asset.rb	4.78 KB	-rw-r--r--
autoload.rb	392 B	-rw-r--r--
base.rb	2.88 KB	-rw-r--r--
bower.rb	1.62 KB	-rw-r--r--
bundle.rb	2.11 KB	-rw-r--r--
cache.rb	6.6 KB	-rw-r--r--
cached_environment.rb	1.94 KB	-rw-r--r--
closure_compressor.rb	1.15 KB	-rw-r--r--
coffee_script_processor.rb	613 B	-rw-r--r--
coffee_script_template.rb	411 B	-rw-r--r--
compressing.rb	2.75 KB	-rw-r--r--
configuration.rb	2.25 KB	-rw-r--r--
context.rb	6.83 KB	-rw-r--r--
dependencies.rb	1.87 KB	-rw-r--r--
deprecation.rb	2.46 KB	-rw-r--r--
digest_utils.rb	4.9 KB	-rw-r--r--
directive_processor.rb	12.76 KB	-rw-r--r--
eco_processor.rb	772 B	-rw-r--r--
eco_template.rb	347 B	-rw-r--r--
ejs_processor.rb	696 B	-rw-r--r--
ejs_template.rb	347 B	-rw-r--r--
encoding_utils.rb	6.38 KB	-rw-r--r--
engines.rb	3.04 KB	-rw-r--r--
environment.rb	1.06 KB	-rw-r--r--
erb_processor.rb	715 B	-rw-r--r--
erb_template.rb	239 B	-rw-r--r--
errors.rb	434 B	-rw-r--r--
file_reader.rb	499 B	-rw-r--r--
http_utils.rb	3.46 KB	-rw-r--r--
jst_processor.rb	1.16 KB	-rw-r--r--
legacy.rb	9.13 KB	-rw-r--r--
legacy_proc_processor.rb	716 B	-rw-r--r--
legacy_tilt_processor.rb	663 B	-rw-r--r--
loader.rb	13.83 KB	-rw-r--r--
manifest.rb	9.88 KB	-rw-r--r--
manifest_utils.rb	1.52 KB	-rw-r--r--
mime.rb	3.61 KB	-rw-r--r--
path_dependency_utils.rb	2.72 KB	-rw-r--r--
path_digest_utils.rb	1.23 KB	-rw-r--r--
path_utils.rb	7.16 KB	-rw-r--r--
paths.rb	1.99 KB	-rw-r--r--
processing.rb	8.07 KB	-rw-r--r--
processor_utils.rb	5.7 KB	-rw-r--r--
resolve.rb	6.78 KB	-rw-r--r--
sass_cache_store.rb	873 B	-rw-r--r--
sass_compressor.rb	1.14 KB	-rw-r--r--
sass_functions.rb	90 B	-rw-r--r--
sass_importer.rb	90 B	-rw-r--r--
sass_processor.rb	7.89 KB	-rw-r--r--
sass_template.rb	442 B	-rw-r--r--
server.rb	8.83 KB	-rw-r--r--
transformers.rb	4.35 KB	-rw-r--r--
uglifier_compressor.rb	1.36 KB	-rw-r--r--
unloaded_asset.rb	5.08 KB	-rw-r--r--
uri_tar.rb	2.66 KB	-rw-r--r--
uri_utils.rb	5.12 KB	-rw-r--r--
utils.rb	5.96 KB	-rw-r--r--
version.rb	41 B	-rw-r--r--
yui_compressor.rb	1.29 KB	-rw-r--r--

Code Editor : digest_utils.rb

require 'digest/md5'
require 'digest/sha1'
require 'digest/sha2'
require 'set'

module Sprockets
  # Internal: Hash functions and digest related utilities. Mixed into
  # Environment.
  module DigestUtils
    extend self

# Internal: Default digest class.
    #
    # Returns a Digest::Base subclass.
    def digest_class
      Digest::SHA256
    end

# Internal: Maps digest bytesize to the digest class.
    DIGEST_SIZES = {
      16 => Digest::MD5,
      20 => Digest::SHA1,
      32 => Digest::SHA256,
      48 => Digest::SHA384,
      64 => Digest::SHA512
    }

# Internal: Detect digest class hash algorithm for digest bytes.
    #
    # While not elegant, all the supported digests have a unique bytesize.
    #
    # Returns Digest::Base or nil.
    def detect_digest_class(bytes)
      DIGEST_SIZES[bytes.bytesize]
    end

ADD_VALUE_TO_DIGEST = {
      String     => ->(val, digest) { digest << val },
      FalseClass => ->(val, digest) { digest << 'FalseClass'.freeze },
      TrueClass  => ->(val, digest) { digest << 'TrueClass'.freeze  },
      NilClass   => ->(val, digest) { digest << 'NilClass'.freeze   },

Symbol => ->(val, digest) {
        digest << 'Symbol'.freeze
        digest << val.to_s
      },
      Integer => ->(val, digest) {
        digest << 'Integer'.freeze
        digest << val.to_s
      },
      Array => ->(val, digest) {
        digest << 'Array'.freeze
        val.each do |element|
          ADD_VALUE_TO_DIGEST[element.class].call(element, digest)
        end
      },
      Hash => ->(val, digest) {
        digest << 'Hash'.freeze
        val.sort.each do |array|
          ADD_VALUE_TO_DIGEST[Array].call(array, digest)
        end
      },
      Set => ->(val, digest) {
        digest << 'Set'.freeze
        ADD_VALUE_TO_DIGEST[Array].call(val.to_a, digest)
      },
      Encoding => ->(val, digest) {
        digest << 'Encoding'.freeze
        digest << val.name
      },
    }
    if 0.class != Integer # Ruby < 2.4
      ADD_VALUE_TO_DIGEST[Fixnum] = ->(val, digest) {
        digest << 'Integer'.freeze
        digest << val.to_s
      }
      ADD_VALUE_TO_DIGEST[Bignum] = ->(val, digest) {
        digest << 'Integer'.freeze
        digest << val.to_s
      }
    end
    ADD_VALUE_TO_DIGEST.default_proc = ->(_, val) {
      raise TypeError, "couldn't digest #{ val }"
    }
    private_constant :ADD_VALUE_TO_DIGEST

# Internal: Generate a hexdigest for a nested JSON serializable object.
    #
    # This is used for generating cache keys, so its pretty important its
    # wicked fast. Microbenchmarks away!
    #
    # obj - A JSON serializable object.
    #
    # Returns a String digest of the object.
    def digest(obj)
      digest = digest_class.new

ADD_VALUE_TO_DIGEST[obj.class].call(obj, digest)
      digest.digest
    end

# Internal: Pack a binary digest to a hex encoded string.
    #
    # bin - String bytes
    #
    # Returns hex String.
    def pack_hexdigest(bin)
      bin.unpack('H*').first
    end

# Internal: Unpack a hex encoded digest string into binary bytes.
    #
    # hex - String hex
    #
    # Returns binary String.
    def unpack_hexdigest(hex)
      [hex].pack('H*')
    end

# Internal: Pack a binary digest to a base64 encoded string.
    #
    # bin - String bytes
    #
    # Returns base64 String.
    def pack_base64digest(bin)
      [bin].pack('m0')
    end

# Internal: Pack a binary digest to a urlsafe base64 encoded string.
    #
    # bin - String bytes
    #
    # Returns urlsafe base64 String.
    def pack_urlsafe_base64digest(bin)
      str = pack_base64digest(bin)
      str.tr!('+/'.freeze, '-_'.freeze)
      str.tr!('='.freeze, ''.freeze)
      str
    end

# Internal: Maps digest class to the CSP hash algorithm name.
    HASH_ALGORITHMS = {
      Digest::SHA256 => 'sha256'.freeze,
      Digest::SHA384 => 'sha384'.freeze,
      Digest::SHA512 => 'sha512'.freeze
    }

# Public: Generate hash for use in the `integrity` attribute of an asset tag
    # as per the subresource integrity specification.
    #
    # digest - The String byte digest of the asset content.
    #
    # Returns a String or nil if hash algorithm is incompatible.
    def integrity_uri(digest)
      case digest
      when Digest::Base
        digest_class = digest.class
        digest = digest.digest
      when String
        digest_class = DIGEST_SIZES[digest.bytesize]
      else
        raise TypeError, "unknown digest: #{digest.inspect}"
      end

if hash_name = HASH_ALGORITHMS[digest_class]
        "#{hash_name}-#{pack_base64digest(digest)}"
      end
    end

# Public: Generate hash for use in the `integrity` attribute of an asset tag
    # as per the subresource integrity specification.
    #
    # digest - The String hexbyte digest of the asset content.
    #
    # Returns a String or nil if hash algorithm is incompatible.
    def hexdigest_integrity_uri(hexdigest)
      integrity_uri(unpack_hexdigest(hexdigest))
    end
  end
end

${this.title}

Code Editor : digest_utils.rb