57 lines
1.7 KiB
Ruby
57 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Email
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module Hook
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class SmimeSignatureInterceptor
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# Sign emails with SMIME if enabled
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class << self
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def delivering_email(message)
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signed_message = Gitlab::Email::Smime::Signer.sign(
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cert: certificate.cert,
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key: certificate.key,
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ca_certs: certificate.ca_certs,
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data: message.encoded)
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signed_email = Mail.new(signed_message)
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overwrite_body(message, signed_email)
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overwrite_headers(message, signed_email)
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end
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private
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def certificate
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@certificate ||= Gitlab::Email::Smime::Certificate.from_files(key_path, cert_path, ca_certs_path)
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end
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def key_path
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Gitlab.config.gitlab.email_smime.key_file
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end
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def cert_path
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Gitlab.config.gitlab.email_smime.cert_file
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end
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def ca_certs_path
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Gitlab.config.gitlab.email_smime.ca_certs_file
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end
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def overwrite_body(message, signed_email)
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# since this is a multipart email, assignment to nil is important,
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# otherwise Message#body will add a new mail part
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message.body = nil
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message.body = signed_email.body.encoded
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end
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def overwrite_headers(message, signed_email)
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message.content_disposition = signed_email.content_disposition
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message.content_transfer_encoding = signed_email.content_transfer_encoding
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message.content_type = signed_email.content_type
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end
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end
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end
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end
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end
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end
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