Revision 09b32d70
Added by Marc Dequènes about 15 years ago
- ID 09b32d703dd0a5924155082fd7743e536fd8231f
lib/cyborghood/mail.rb | ||
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{:ok => false, :msg => "mail not RFC3156 compliant"}.to_ostruct
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end
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def create_reply
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tmail_reply = @mail.create_reply
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tmail_reply.from_addrs = TMail::Address.parse(@config.mail.from_address || self.to.first)
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reply = self.class.new(tmail_reply.to_s)
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reply.set_custom_headers
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reply
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end
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def set_custom_headers
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@mail['Organization'] = @config.mail.organization
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end
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def check_headers
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@mail.header.keys.each do |h|
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@mail[h] = quote_address_if_necessary(@mail[h].to_s, "utf-8")
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end
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end
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def deliver
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check_headers
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smtp_server = @config.mail.smtp_server || "localhost"
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smtp_port = @config.mail.smtp_port || 25
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smtp_from = @mail.from_addrs.collect{|a| a.address}.join(", ")
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smtp_to = @mail.to_addrs.collect{|a| a.address}
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Net::SMTP.start(smtp_server, smtp_port) do |smtp|
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#p @mail.to_s
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smtp.send_message(@mail.to_s, smtp_from, smtp_to)
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end
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end
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def to_s
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@mail.to_s
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end
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def crypt(fingerprint)
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clear_data = build_intermediate_mail()
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encrypted_data = clear_data.pgp_crypt(fingerprint)
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# build properly encrypted mail
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# (modify original mail parts)
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@mail.set_content_type("multipart", "encrypted", {'boundary' => TMail.new_boundary, "protocol" => "application/pgp-encrypted"})
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@mail.transfer_encoding = "7bit"
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@mail['content-disposition'] = nil
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@mail.body = "This mail is a RFC3156 encrypted message.\n"
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@mail.parts.clear
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p_pgp = TMail::Mail.new
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p_pgp.set_content_type("application", "pgp-encrypted")
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p_pgp.transfer_encoding = "7bit"
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p_pgp.content_disposition = "inline"
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p_pgp.body = "Version: 1\n"
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@mail.parts << p_pgp
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p_encrypted = TMail::Mail.new
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p_encrypted.set_content_type("application", "octet-stream")
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p_encrypted.transfer_encoding = "7bit"
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p_encrypted.content_disposition = "inline"
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p_encrypted.body = encrypted_data
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@mail.parts << p_encrypted
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end
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def sign
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data = build_intermediate_mail()
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signature = data.pgp_sign([@config.mail.key_id]) do |uid_hint, passphrase_info, prev_was_bad|
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@config.mail.key_passphrase
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end
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original_content_type = @mail.content_type
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original_content_transfer_encoding = @mail.content_transfer_encoding
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original_content_disposition = @mail.content_disposition
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# build properly signed mail
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# (modify original mail parts)
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@mail.set_content_type("multipart", "signed", {'boundary' => TMail.new_boundary, 'protocol' => "application/pgp-signature"})
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@mail.transfer_encoding = "7bit"
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@mail['content-disposition'] = nil
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@mail.body = "This mail is a RFC3156 signed message.\n"
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@mail.parts.clear
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p_signed = data
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@mail.parts << p_signed
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p_signature = TMail::Mail.new
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p_signature.set_content_type("application", "pgp-signature")
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p_signature.transfer_encoding = "7bit"
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p_signature.content_disposition = "inline"
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p_signature.body = signature
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@mail.parts << p_signature
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end
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def sign_and_crypt(fingerprint)
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sign()
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crypt(fingerprint)
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end
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def quoted_printable_body=(txt)
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@mail.transfer_encoding = "quoted-printable"
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@mail.body = [normalize_new_lines(txt)].pack("M*")
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end
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private
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def build_intermediate_mail
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# build a fake mail to get the generated content to be crypted/signed
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fake_mail = TMail::Mail.new
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fake_mail['content-type'] = @mail['content-type'].to_s
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fake_mail.transfer_encoding = @mail.transfer_encoding if @mail.transfer_encoding
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fake_mail.content_disposition = @mail.content_disposition if @mail.content_disposition
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if @mail.multipart?
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@mail.each_part {|p| fake_mail.parts << p }
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else
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fake_mail.body = @mail.body
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end
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# store the calculated content, to be able to use the raw() method
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fake_mail.write_back
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fake_mail
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end
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def parse_signed
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order = {:ok => false, :msg => "mail not formatted correctly"}
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sig_check = verify_pgp_signature()
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sigs_check = verify_pgp_signature()
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return order.to_ostruct if sigs_check.nil? or sigs_check.size != 1
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sig_check = sigs_check.first
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if sig_check.status == 0
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logger.info "Mail content was properly signed by key #{sig_check.fingerprint}"
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user = Person.find_by_fingerprint(sig_check.fingerprint)
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... | ... | |
catch :notforme do
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begin
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# block is not passed to delegate (limitation ?)
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clear_message = @mail.decrypt do |uid_hint, passphrase_info, prev_was_bad|
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clear_message = @mail.pgp_decrypt do |uid_hint, passphrase_info, prev_was_bad|
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logger.info "Mail crypted for #{uid_hint}"
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# check if requesting passphrase for the expected key
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... | ... | |
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order.to_ostruct
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end
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def create_reply
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tmail_reply = @mail.create_reply
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tmail_reply.from_addrs = TMail::Address.parse(@config.mail.from_address || self.to.first)
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reply = self.class.new(tmail_reply.to_s)
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reply.set_custom_headers
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reply
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end
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def set_custom_headers
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@mail['Organization'] = @config.mail.organization
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end
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def check_headers
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@mail.header.keys.each do |h|
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@mail[h] = quote_address_if_necessary(@mail[h].to_s, "utf-8")
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end
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end
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def deliver
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check_headers
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smtp_server = @config.mail.smtp_server || "localhost"
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smtp_port = @config.mail.smtp_port || 25
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smtp_from = @mail.from_addrs.collect{|a| a.address}.join(", ")
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smtp_to = @mail.to_addrs.collect{|a| a.address}
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Net::SMTP.start(smtp_server, smtp_port) do |smtp|
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#p @mail.to_s
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smtp.send_message(@mail.to_s, smtp_from, smtp_to)
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end
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end
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def to_s
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@mail.to_s
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end
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def crypt(fingerprint)
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# build a fake mail to get the generated content to be crypted
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if @mail.multipart?
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fake_mail = TMail::Mail.new
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fake_mail.set_content_type("multipart", "mixed", {'boundary' => TMail.new_boundary})
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@mail.each_part {|p| fake_mail.parts << p }
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clear_data = fake_mail.to_s
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else
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fake_mail = TMail::Mail.new
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fake_mail.content_type = @mail.content_type
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fake_mail.body = @mail.body
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fake_mail.transfer_encoding = @mail.transfer_encoding if @mail.transfer_encoding
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clear_data = fake_mail.to_s
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end
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# retrieve key and encrypt
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gpg = GPGME::Ctx.new
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key = gpg.get_key(fingerprint)
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encrypted_data = GPGME.encrypt([key], clear_data, {:armor => true, :always_trust => true})
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# build properly encrypted mail
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# (modify original mail parts)
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@mail.set_content_type("multipart", "encrypted", {'boundary' => TMail.new_boundary, "protocol" => "application/pgp-encrypted"})
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@mail.transfer_encoding = nil
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@mail.body = "This mail is a RFC3156 encrypted message."
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@mail.parts.clear
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p_pgp = TMail::Mail.new
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p_pgp.set_content_type("application", "pgp-encrypted")
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p_pgp.body = "Version: 1"
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@mail.parts << p_pgp
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p_encrypted = TMail::Mail.new
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p_encrypted.set_content_type("application", "octet-stream")
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p_encrypted.body = encrypted_data
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@mail.parts << p_encrypted
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end
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def quoted_printable_body=(txt)
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@mail.transfer_encoding = "quoted-printable"
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@mail.body = [normalize_new_lines(txt)].pack("M*")
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end
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end
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end
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Also available in: Unified diff
[evol] sign outgoing mails, and lot's of fixes and code improvement in mail handling (related to signing, crypting, and preparing/chaining the two)