45 lines
1.6 KiB
Ruby
45 lines
1.6 KiB
Ruby
# Copyright (c) 2010, Diaspora Inc. This file is
|
|
# licensed under the Affero General Public License version 3 or later. See
|
|
# the COPYRIGHT file.
|
|
|
|
# Add URL safe Base64 support
|
|
module Base64
|
|
module_function
|
|
# Returns the Base64-encoded version of +bin+.
|
|
# This method complies with RFC 4648.
|
|
# No line feeds are added.
|
|
def strict_encode64(bin)
|
|
[bin].pack("m0")
|
|
end
|
|
|
|
# Returns the Base64-decoded version of +str+.
|
|
# This method complies with RFC 4648.
|
|
# ArgumentError is raised if +str+ is incorrectly padded or contains
|
|
# non-alphabet characters. Note that CR or LF are also rejected.
|
|
def strict_decode64(str)
|
|
str.unpack("m0").first
|
|
end
|
|
|
|
# Returns the Base64-encoded version of +bin+.
|
|
# This method complies with ``Base 64 Encoding with URL and Filename Safe
|
|
# Alphabet'' in RFC 4648.
|
|
# The alphabet uses '-' instead of '+' and '_' instead of '/'.
|
|
def urlsafe_encode64(bin)
|
|
strict_encode64(bin).tr("+/", "-_")
|
|
end
|
|
|
|
# Returns the Base64-decoded version of +str+.
|
|
# This method complies with ``Base 64 Encoding with URL and Filename Safe
|
|
# Alphabet'' in RFC 4648.
|
|
# The alphabet uses '-' instead of '+' and '_' instead of '/'.
|
|
def urlsafe_decode64(str)
|
|
strict_decode64(str.tr("-_", "+/"))
|
|
end
|
|
end
|
|
|
|
# Verify documents secured with Magic Signatures
|
|
module Salmon
|
|
autoload :SalmonSlap, File.join(Rails.root, "lib", "salmon", "salmon_slap")
|
|
autoload :EncryptedSalmonSlap, File.join(Rails.root, "lib", "salmon", "encrypted_salmon_slap")
|
|
autoload :MagicSigEnvelope, File.join(Rails.root, "lib", "salmon", "magic_sig_envelope")
|
|
end
|