83 lines
2.8 KiB
Ruby
83 lines
2.8 KiB
Ruby
|
# Monkey patch mail 2.7.1 to fix quoted-printable issues with newlines
|
||
|
|
# The issues upstream invalidate SMIME signatures under some conditions
|
||
|
|
# This was working properly in 2.6.6
|
||
|
|
#
|
||
|
|
# See https://gitlab.com/gitlab-org/gitlab/issues/197386
|
||
|
|
# See https://github.com/mikel/mail/issues/1190
|
||
|
|
|
||
|
|
module Mail
|
||
|
|
module Encodings
|
||
|
|
# PATCH
|
||
|
|
# This reverts https://github.com/mikel/mail/pull/1113, which solves some
|
||
|
|
# encoding issues with binary attachments encoded in quoted-printable, but
|
||
|
|
# unfortunately breaks re-encoding of messages
|
||
|
|
class QuotedPrintable < SevenBit
|
||
|
|
def self.decode(str)
|
||
|
|
::Mail::Utilities.to_lf str.gsub(/(?:=0D=0A|=0D|=0A)\r\n/, "\r\n").unpack1("M*")
|
||
|
|
end
|
||
|
|
|
||
|
|
def self.encode(str)
|
||
|
|
::Mail::Utilities.to_crlf([::Mail::Utilities.to_lf(str)].pack("M"))
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
class Body
|
||
|
|
def encoded(transfer_encoding = nil, charset = nil)
|
||
|
|
# PATCH
|
||
|
|
# Use provided parameter charset (from parent Message) if not nil,
|
||
|
|
# otherwise use own self.charset
|
||
|
|
# Required because the Message potentially has on its headers the charset
|
||
|
|
# that needs to be used (e.g. 'Content-Type: text/plain; charset=UTF-8')
|
||
|
|
charset = self.charset if charset.nil?
|
||
|
|
|
||
|
|
if multipart?
|
||
|
|
self.sort_parts!
|
||
|
|
encoded_parts = parts.map { |p| p.encoded }
|
||
|
|
([preamble] + encoded_parts).join(crlf_boundary) + end_boundary + epilogue.to_s
|
||
|
|
else
|
||
|
|
dec = Mail::Encodings.get_encoding(encoding)
|
||
|
|
enc = if Utilities.blank?(transfer_encoding)
|
||
|
|
dec
|
||
|
|
else
|
||
|
|
negotiate_best_encoding(transfer_encoding)
|
||
|
|
end
|
||
|
|
|
||
|
|
if dec.nil?
|
||
|
|
# Cannot decode, so skip normalization
|
||
|
|
raw_source
|
||
|
|
else
|
||
|
|
# Decode then encode to normalize and allow transforming
|
||
|
|
# from base64 to Q-P and vice versa
|
||
|
|
decoded = dec.decode(raw_source)
|
||
|
|
|
||
|
|
if defined?(Encoding) && charset && charset != "US-ASCII"
|
||
|
|
# PATCH
|
||
|
|
# We need to force the encoding: in the case of quoted-printable
|
||
|
|
# this will throw an exception otherwise, because `decoded` will have
|
||
|
|
# an encoding of BINARY (or its equivalent ASCII-8BIT),
|
||
|
|
# coming from QuotedPrintable#decode, and inside it from String#unpack1
|
||
|
|
decoded = decoded.force_encoding(charset)
|
||
|
|
decoded.force_encoding('BINARY') unless Encoding.find(charset).ascii_compatible?
|
||
|
|
end
|
||
|
|
|
||
|
|
enc.encode(decoded)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
class Message
|
||
|
|
def encoded
|
||
|
|
ready_to_send!
|
||
|
|
buffer = header.encoded
|
||
|
|
buffer << "\r\n"
|
||
|
|
# PATCH
|
||
|
|
# Pass the Message charset down to the contained Body, the headers
|
||
|
|
# potentially contain the charset needed to be applied
|
||
|
|
buffer << body.encoded(content_transfer_encoding, charset)
|
||
|
|
buffer
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|