Vendor bundled gems for deployment

1 files changed, 381 insertions, 0 deletions

diff --git a/vendor/bundle/ruby/3.4.0/gems/base64-0.3.0/lib/base64.rb b/vendor/bundle/ruby/3.4.0/gems/base64-0.3.0/lib/base64.rb
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+# frozen_string_literal: true
+#
+# \Module \Base64 provides methods for:
+#
+# - \Encoding a binary string (containing non-ASCII characters)
+#   as a string of printable ASCII characters.
+# - Decoding such an encoded string.
+#
+# \Base64 is commonly used in contexts where binary data
+# is not allowed or supported:
+#
+# - Images in HTML or CSS files, or in URLs.
+# - Email attachments.
+#
+# A \Base64-encoded string is about one-third larger that its source.
+# See the {Wikipedia article}[https://en.wikipedia.org/wiki/Base64]
+# for more information.
+#
+# This module provides three pairs of encode/decode methods.
+# Your choices among these methods should depend on:
+#
+# - Which character set is to be used for encoding and decoding.
+# - Whether "padding" is to be used.
+# - Whether encoded strings are to contain newlines.
+#
+# Note: Examples on this page assume that the including program has executed:
+#
+#   require 'base64'
+#
+# == \Encoding Character Sets
+#
+# A \Base64-encoded string consists only of characters from a 64-character set:
+#
+# - <tt>('A'..'Z')</tt>.
+# - <tt>('a'..'z')</tt>.
+# - <tt>('0'..'9')</tt>.
+# - <tt>=</tt>, the 'padding' character.
+# - Either:
+#   - <tt>%w[+ /]</tt>:
+#     {RFC-2045-compliant}[https://datatracker.ietf.org/doc/html/rfc2045];
+#     _not_ safe for URLs.
+#   - <tt>%w[- _]</tt>:
+#     {RFC-4648-compliant}[https://datatracker.ietf.org/doc/html/rfc4648];
+#     safe for URLs.
+#
+# If you are working with \Base64-encoded strings that will come from
+# or be put into URLs, you should choose this encoder-decoder pair
+# of RFC-4648-compliant methods:
+#
+# - Base64.urlsafe_encode64 and Base64.urlsafe_decode64.
+#
+# Otherwise, you may choose any of the pairs in this module,
+# including the pair above, or the RFC-2045-compliant pairs:
+#
+# - Base64.encode64 and Base64.decode64.
+# - Base64.strict_encode64 and Base64.strict_decode64.
+#
+# == Padding
+#
+# \Base64-encoding changes a triplet of input bytes
+# into a quartet of output characters.
+#
+# <b>Padding in Encode Methods</b>
+#
+# Padding -- extending an encoded string with zero, one, or two trailing
+# <tt>=</tt> characters -- is performed by methods Base64.encode64,
+# Base64.strict_encode64, and, by default, Base64.urlsafe_encode64:
+#
+#   Base64.encode64('s')                         # => "cw==\n"
+#   Base64.strict_encode64('s')                  # => "cw=="
+#   Base64.urlsafe_encode64('s')                 # => "cw=="
+#   Base64.urlsafe_encode64('s', padding: false) # => "cw"
+#
+# When padding is performed, the encoded string is always of length <em>4n</em>,
+# where +n+ is a non-negative integer:
+#
+# - Input bytes of length <em>3n</em> generate unpadded output characters
+#   of length <em>4n</em>:
+#
+#     # n = 1:  3 bytes => 4 characters.
+#     Base64.strict_encode64('123')      # => "MDEy"
+#     # n = 2:  6 bytes => 8 characters.
+#     Base64.strict_encode64('123456')   # => "MDEyMzQ1"
+#
+# - Input bytes of length <em>3n+1</em> generate padded output characters
+#   of length <em>4(n+1)</em>, with two padding characters at the end:
+#
+#     # n = 1:  4 bytes => 8 characters.
+#     Base64.strict_encode64('1234')     # => "MDEyMw=="
+#     # n = 2:  7 bytes => 12 characters.
+#     Base64.strict_encode64('1234567')  # => "MDEyMzQ1Ng=="
+#
+# - Input bytes of length <em>3n+2</em> generate padded output characters
+#   of length <em>4(n+1)</em>, with one padding character at the end:
+#
+#     # n = 1:  5 bytes => 8 characters.
+#     Base64.strict_encode64('12345')    # => "MDEyMzQ="
+#     # n = 2:  8 bytes => 12 characters.
+#     Base64.strict_encode64('12345678') # => "MDEyMzQ1Njc="
+#
+# When padding is suppressed, for a positive integer <em>n</em>:
+#
+# - Input bytes of length <em>3n</em> generate unpadded output characters
+#   of length <em>4n</em>:
+#
+#     # n = 1:  3 bytes => 4 characters.
+#     Base64.urlsafe_encode64('123', padding: false)      # => "MDEy"
+#     # n = 2:  6 bytes => 8 characters.
+#     Base64.urlsafe_encode64('123456', padding: false)   # => "MDEyMzQ1"
+#
+# - Input bytes of length <em>3n+1</em> generate unpadded output characters
+#   of length <em>4n+2</em>, with two padding characters at the end:
+#
+#     # n = 1:  4 bytes => 6 characters.
+#     Base64.urlsafe_encode64('1234', padding: false)     # => "MDEyMw"
+#     # n = 2:  7 bytes => 10 characters.
+#     Base64.urlsafe_encode64('1234567', padding: false)  # => "MDEyMzQ1Ng"
+#
+# - Input bytes of length <em>3n+2</em> generate unpadded output characters
+#   of length <em>4n+3</em>, with one padding character at the end:
+#
+#     # n = 1:  5 bytes => 7 characters.
+#     Base64.urlsafe_encode64('12345', padding: false)    # => "MDEyMzQ"
+#     # m = 2:  8 bytes => 11 characters.
+#     Base64.urlsafe_encode64('12345678', padding: false) # => "MDEyMzQ1Njc"
+#
+# <b>Padding in Decode Methods</b>
+#
+# All of the \Base64 decode methods support (but do not require) padding.
+#
+# \Method Base64.decode64 does not check the size of the padding:
+#
+#   Base64.decode64("MDEyMzQ1Njc") # => "01234567"
+#   Base64.decode64("MDEyMzQ1Njc=") # => "01234567"
+#   Base64.decode64("MDEyMzQ1Njc==") # => "01234567"
+#
+# \Method Base64.strict_decode64 strictly enforces padding size:
+#
+#   Base64.strict_decode64("MDEyMzQ1Njc")   # Raises ArgumentError
+#   Base64.strict_decode64("MDEyMzQ1Njc=")  # => "01234567"
+#   Base64.strict_decode64("MDEyMzQ1Njc==") # Raises ArgumentError
+#
+# \Method Base64.urlsafe_decode64 allows padding in the encoded string,
+# which if present, must be correct:
+# see {Padding}[Base64.html#module-Base64-label-Padding], above:
+#
+#   Base64.urlsafe_decode64("MDEyMzQ1Njc") # => "01234567"
+#   Base64.urlsafe_decode64("MDEyMzQ1Njc=") # => "01234567"
+#   Base64.urlsafe_decode64("MDEyMzQ1Njc==") # Raises ArgumentError.
+#
+# == Newlines
+#
+# An encoded string returned by Base64.encode64 or Base64.urlsafe_encode64
+# has an embedded newline character
+# after each 60-character sequence, and, if non-empty, at the end:
+#
+#   # No newline if empty.
+#   encoded = Base64.encode64("\x00" *  0)
+#   encoded.index("\n") # => nil
+#
+#   # Newline at end of short output.
+#   encoded = Base64.encode64("\x00" *  1)
+#   encoded.size        # => 4
+#   encoded.index("\n") # => 4
+#
+#   # Newline at end of longer output.
+#   encoded = Base64.encode64("\x00" * 45)
+#   encoded.size        # => 60
+#   encoded.index("\n") # => 60
+#
+#   # Newlines embedded and at end of still longer output.
+#   encoded = Base64.encode64("\x00" * 46)
+#   encoded.size                          # => 65
+#   encoded.rindex("\n")                  # => 65
+#   encoded.split("\n").map {|s| s.size } # => [60, 4]
+#
+# The string to be encoded may itself contain newlines,
+# which are encoded as \Base64:
+#
+#      #   Base64.encode64("\n\n\n") # => "CgoK\n"
+#    s = "This is line 1\nThis is line 2\n"
+#    Base64.encode64(s) # => "VGhpcyBpcyBsaW5lIDEKVGhpcyBpcyBsaW5lIDIK\n"
+#
+module Base64
+
+  VERSION = "0.3.0"
+
+  module_function
+
+  # :call-seq:
+  #   Base64.encode64(string) -> encoded_string
+  #
+  # Returns a string containing the RFC-2045-compliant \Base64-encoding of +string+.
+  #
+  # Per RFC 2045, the returned string may contain the URL-unsafe characters
+  # <tt>+</tt> or <tt>/</tt>;
+  # see {Encoding Character Set}[Base64.html#module-Base64-label-Encoding+Character+Sets] above:
+  #
+  #   Base64.encode64("\xFB\xEF\xBE") # => "++++\n"
+  #   Base64.encode64("\xFF\xFF\xFF") # => "////\n"
+  #
+  # The returned string may include padding;
+  # see {Padding}[Base64.html#module-Base64-label-Padding] above.
+  #
+  #   Base64.encode64('*') # => "Kg==\n"
+  #
+  # The returned string ends with a newline character, and if sufficiently long
+  # will have one or more embedded newline characters;
+  # see {Newlines}[Base64.html#module-Base64-label-Newlines] above:
+  #
+  #   Base64.encode64('*') # => "Kg==\n"
+  #   Base64.encode64('*' * 46)
+  #   # => "KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq\nKg==\n"
+  #
+  # The string to be encoded may itself contain newlines,
+  # which will be encoded as ordinary \Base64:
+  #
+  #   Base64.encode64("\n\n\n") # => "CgoK\n"
+  #   s = "This is line 1\nThis is line 2\n"
+  #   Base64.encode64(s) # => "VGhpcyBpcyBsaW5lIDEKVGhpcyBpcyBsaW5lIDIK\n"
+  #
+  def encode64(bin)
+    [bin].pack("m")
+  end
+
+  # :call-seq:
+  #   Base64.decode(encoded_string) -> decoded_string
+  #
+  # Returns a string containing the decoding of an RFC-2045-compliant
+  # \Base64-encoded string +encoded_string+:
+  #
+  #   s = "VGhpcyBpcyBsaW5lIDEKVGhpcyBpcyBsaW5lIDIK\n"
+  #   Base64.decode64(s) # => "This is line 1\nThis is line 2\n"
+  #
+  # Non-\Base64 characters in +encoded_string+ are ignored;
+  # see {Encoding Character Set}[Base64.html#module-Base64-label-Encoding+Character+Sets] above:
+  # these include newline characters and characters <tt>-</tt> and <tt>/</tt>:
+  #
+  #   Base64.decode64("\x00\n-_") # => ""
+  #
+  # Padding in +encoded_string+ (even if incorrect) is ignored:
+  #
+  #   Base64.decode64("MDEyMzQ1Njc")   # => "01234567"
+  #   Base64.decode64("MDEyMzQ1Njc=")  # => "01234567"
+  #   Base64.decode64("MDEyMzQ1Njc==") # => "01234567"
+  #
+  def decode64(str)
+    str.unpack1("m")
+  end
+
+  # :call-seq:
+  #   Base64.strict_encode64(string) -> encoded_string
+  #
+  # Returns a string containing the RFC-2045-compliant \Base64-encoding of +string+.
+  #
+  # Per RFC 2045, the returned string may contain the URL-unsafe characters
+  # <tt>+</tt> or <tt>/</tt>;
+  # see {Encoding Character Set}[Base64.html#module-Base64-label-Encoding+Character+Sets] above:
+  #
+  #   Base64.strict_encode64("\xFB\xEF\xBE") # => "++++\n"
+  #   Base64.strict_encode64("\xFF\xFF\xFF") # => "////\n"
+  #
+  # The returned string may include padding;
+  # see {Padding}[Base64.html#module-Base64-label-Padding] above.
+  #
+  #   Base64.strict_encode64('*') # => "Kg==\n"
+  #
+  # The returned string will have no newline characters, regardless of its length;
+  # see {Newlines}[Base64.html#module-Base64-label-Newlines] above:
+  #
+  #   Base64.strict_encode64('*') # => "Kg=="
+  #   Base64.strict_encode64('*' * 46)
+  #   # => "KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKg=="
+  #
+  # The string to be encoded may itself contain newlines,
+  # which will be encoded as ordinary \Base64:
+  #
+  #   Base64.strict_encode64("\n\n\n") # => "CgoK"
+  #   s = "This is line 1\nThis is line 2\n"
+  #   Base64.strict_encode64(s) # => "VGhpcyBpcyBsaW5lIDEKVGhpcyBpcyBsaW5lIDIK"
+  #
+  def strict_encode64(bin)
+    [bin].pack("m0")
+  end
+
+  # :call-seq:
+  #   Base64.strict_decode64(encoded_string) -> decoded_string
+  #
+  # Returns a string containing the decoding of an RFC-2045-compliant
+  # \Base64-encoded string +encoded_string+:
+  #
+  #   s = "VGhpcyBpcyBsaW5lIDEKVGhpcyBpcyBsaW5lIDIK"
+  #   Base64.strict_decode64(s) # => "This is line 1\nThis is line 2\n"
+  #
+  # Non-\Base64 characters in +encoded_string+ are not allowed;
+  # see {Encoding Character Set}[Base64.html#module-Base64-label-Encoding+Character+Sets] above:
+  # these include newline characters and characters <tt>-</tt> and <tt>/</tt>:
+  #
+  #   Base64.strict_decode64("\n") # Raises ArgumentError
+  #   Base64.strict_decode64('-')  # Raises ArgumentError
+  #   Base64.strict_decode64('_')  # Raises ArgumentError
+  #
+  # Padding in +encoded_string+, if present, must be correct:
+  #
+  #   Base64.strict_decode64("MDEyMzQ1Njc")   # Raises ArgumentError
+  #   Base64.strict_decode64("MDEyMzQ1Njc=")  # => "01234567"
+  #   Base64.strict_decode64("MDEyMzQ1Njc==") # Raises ArgumentError
+  #
+  def strict_decode64(str)
+    str.unpack1("m0")
+  end
+
+  # :call-seq:
+  #   Base64.urlsafe_encode64(string) -> encoded_string
+  #
+  # Returns the RFC-4648-compliant \Base64-encoding of +string+.
+  #
+  # Per RFC 4648, the returned string will not contain the URL-unsafe characters
+  # <tt>+</tt> or <tt>/</tt>,
+  # but instead may contain the URL-safe characters
+  # <tt>-</tt> and <tt>_</tt>;
+  # see {Encoding Character Set}[Base64.html#module-Base64-label-Encoding+Character+Sets] above:
+  #
+  #   Base64.urlsafe_encode64("\xFB\xEF\xBE") # => "----"
+  #   Base64.urlsafe_encode64("\xFF\xFF\xFF") # => "____"
+  #
+  # By default, the returned string may have padding;
+  # see {Padding}[Base64.html#module-Base64-label-Padding], above:
+  #
+  #   Base64.urlsafe_encode64('*') # => "Kg=="
+  #
+  # Optionally, you can suppress padding:
+  #
+  #   Base64.urlsafe_encode64('*', padding: false) # => "Kg"
+  #
+  # The returned string will have no newline characters, regardless of its length;
+  # see {Newlines}[Base64.html#module-Base64-label-Newlines] above:
+  #
+  #   Base64.urlsafe_encode64('*') # => "Kg=="
+  #   Base64.urlsafe_encode64('*' * 46)
+  #   # => "KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKg=="
+  #
+  def urlsafe_encode64(bin, padding: true)
+    str = strict_encode64(bin)
+    str.chomp!("==") or str.chomp!("=") unless padding
+    str.tr!("+/", "-_")
+    str
+  end
+
+  # :call-seq:
+  #   Base64.urlsafe_decode64(encoded_string) -> decoded_string
+  #
+  # Returns the decoding of an RFC-4648-compliant \Base64-encoded string +encoded_string+:
+  #
+  # +encoded_string+ may not contain non-Base64 characters;
+  # see {Encoding Character Set}[Base64.html#module-Base64-label-Encoding+Character+Sets] above:
+  #
+  #   Base64.urlsafe_decode64('+')  # Raises ArgumentError.
+  #   Base64.urlsafe_decode64('/')  # Raises ArgumentError.
+  #   Base64.urlsafe_decode64("\n") # Raises ArgumentError.
+  #
+  # Padding in +encoded_string+, if present, must be correct:
+  # see {Padding}[Base64.html#module-Base64-label-Padding], above:
+  #
+  #   Base64.urlsafe_decode64("MDEyMzQ1Njc") # => "01234567"
+  #   Base64.urlsafe_decode64("MDEyMzQ1Njc=") # => "01234567"
+  #   Base64.urlsafe_decode64("MDEyMzQ1Njc==") # Raises ArgumentError.
+  #
+  def urlsafe_decode64(str)
+    # NOTE: RFC 4648 does say nothing about unpadded input, but says that
+    # "the excess pad characters MAY also be ignored", so it is inferred that
+    # unpadded input is also acceptable.
+    if !str.end_with?("=") && str.length % 4 != 0
+      str = str.ljust((str.length + 3) & ~3, "=")
+      str.tr!("-_", "+/")
+    else
+      str = str.tr("-_", "+/")
+    end
+    strict_decode64(str)
+  end
+end