Refactor Channel::EmailParser#parse method
This commit is contained in:
Ryan Lue
parent
8951d3f1bd
commit
c17a29cd0f
3 changed files with 317 additions and 441 deletions
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@ -3,6 +3,9 @@
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# encoding: utf-8
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# encoding: utf-8
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class Channel::EmailParser
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class Channel::EmailParser
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EMAIL_REGEX = /.+@.+/
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RECIPIENT_FIELDS = %w[to cc delivered-to x-original-to envelope-to].freeze
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SENDER_FIELDS = %w[from reply-to return-path].freeze
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=begin
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=begin
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@ -67,398 +70,16 @@ class Channel::EmailParser
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=end
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=end
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def parse(msg)
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def parse(msg)
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data = {}.with_indifferent_access
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mail = Mail.new(msg.utf8_encode)
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mail = Mail.new(msg.utf8_encode)
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# set all headers
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message_attributes = [
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mail.header.fields.each do |field|
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{ mail_instance: mail },
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message_header_hash(mail),
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message_body_hash(mail),
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self.class.sender_attributes(mail),
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]
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# full line, encode, ready for storage
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message_attributes.reduce({}.with_indifferent_access, &:merge)
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begin
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value = field.to_utf8
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if value.blank?
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value = field.raw_value
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end
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data[field.name.to_s.downcase.to_sym] = value
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rescue => e
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data[field.name.to_s.downcase.to_sym] = field.raw_value
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end
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# if we need to access the lines by objects later again
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data["raw-#{field.name.downcase}".to_sym] = field
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end
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# verify content, ignore recipients with non email address
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['to', 'cc', 'delivered-to', 'x-original-to', 'envelope-to'].each do |field|
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next if data[field.to_sym].blank?
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next if data[field.to_sym].match?(/@/)
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data[field.to_sym] = ''
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end
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# get sender with @ / email address
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from = nil
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['from', 'reply-to', 'return-path'].each do |item|
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next if data[item.to_sym].blank?
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next if data[item.to_sym] !~ /@/
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from = data[item.to_sym]
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break if from
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end
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# in case of no sender with email address - get sender
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if !from
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['from', 'reply-to', 'return-path'].each do |item|
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next if data[item.to_sym].blank?
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from = data[item.to_sym]
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break if from
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end
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end
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# set x-any-recipient
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data['x-any-recipient'.to_sym] = ''
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['to', 'cc', 'delivered-to', 'x-original-to', 'envelope-to'].each do |item|
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next if data[item.to_sym].blank?
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if data['x-any-recipient'.to_sym] != ''
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data['x-any-recipient'.to_sym] += ', '
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end
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data['x-any-recipient'.to_sym] += mail[item.to_sym].to_s
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end
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# set extra headers
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data = data.merge(Channel::EmailParser.sender_properties(from))
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# do extra encoding (see issue#1045)
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if data[:subject].present?
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data[:subject].sub!(/^=\?us-ascii\?Q\?(.+)\?=$/, '\1')
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end
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# compat headers
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data[:message_id] = data['message-id'.to_sym]
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# body
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# plain_part = mail.multipart? ? (mail.text_part ? mail.text_part.body.decoded : nil) : mail.body.decoded
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# html_part = message.html_part ? message.html_part.body.decoded : nil
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data[:attachments] = []
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# multi part email
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if mail.multipart?
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# html attachment/body may exists and will be converted to strict html
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if mail.html_part&.body
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data[:body] = mail.html_part.body.to_s
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data[:body] = data[:body].utf8_encode(from: mail.html_part.charset, fallback: :read_as_sanitized_binary)
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data[:body] = data[:body].html2html_strict
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data[:content_type] = 'text/html'
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end
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# text attachment/body exists
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if data[:body].blank? && mail.text_part
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data[:body] = mail.text_part.body.decoded
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data[:body] = data[:body].utf8_encode(from: mail.text_part.charset, fallback: :read_as_sanitized_binary)
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data[:content_type] = 'text/plain'
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end
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# any other attachments
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if data[:body].blank?
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data[:body] = 'no visible content'
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data[:content_type] = 'text/plain'
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end
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# add html attachment/body as real attachment
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if mail.html_part
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filename = 'message.html'
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headers_store = {
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'content-alternative' => true,
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'original-format' => true,
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}
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if mail.mime_type
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headers_store['Mime-Type'] = mail.html_part.mime_type
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end
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if mail.charset
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headers_store['Charset'] = mail.html_part.charset
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end
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attachment = {
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data: mail.html_part.body.to_s,
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filename: mail.html_part.filename || filename,
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preferences: headers_store
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}
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data[:attachments].push attachment
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end
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# get attachments
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mail.parts&.each do |part|
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# protect process to work fine with spam emails, see test/data/mail/mail015.box
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begin
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attachs = _get_attachment(part, data[:attachments], mail)
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data[:attachments].concat(attachs)
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rescue
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attachs = _get_attachment(part, data[:attachments], mail)
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data[:attachments].concat(attachs)
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end
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end
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# not multipart email
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# html part only, convert to text and add it as attachment
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elsif mail.mime_type && mail.mime_type.to_s.casecmp('text/html').zero?
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filename = 'message.html'
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data[:body] = mail.body.decoded
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data[:body] = data[:body].utf8_encode(from: mail.charset, fallback: :read_as_sanitized_binary)
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data[:body] = data[:body].html2html_strict
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data[:content_type] = 'text/html'
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# add body as attachment
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headers_store = {
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'content-alternative' => true,
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'original-format' => true,
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}
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if mail.mime_type
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headers_store['Mime-Type'] = mail.mime_type
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end
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if mail.charset
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headers_store['Charset'] = mail.charset
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end
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attachment = {
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data: mail.body.decoded,
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filename: mail.filename || filename,
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preferences: headers_store
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}
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data[:attachments].push attachment
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# text part only
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elsif !mail.mime_type || mail.mime_type.to_s == '' || mail.mime_type.to_s.casecmp('text/plain').zero?
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data[:body] = mail.body.decoded
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data[:body] = data[:body].utf8_encode(from: mail.charset, fallback: :read_as_sanitized_binary)
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data[:content_type] = 'text/plain'
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else
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filename = '-no name-'
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data[:body] = 'no visible content'
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data[:content_type] = 'text/plain'
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# add body as attachment
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headers_store = {
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'content-alternative' => true,
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}
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if mail.mime_type
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headers_store['Mime-Type'] = mail.mime_type
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end
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if mail.charset
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headers_store['Charset'] = mail.charset
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end
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attachment = {
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data: mail.body.decoded,
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filename: mail.filename || filename,
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preferences: headers_store
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}
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data[:attachments].push attachment
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end
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# strip not wanted chars
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data[:body].gsub!(/\n\r/, "\n")
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data[:body].gsub!(/\r\n/, "\n")
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data[:body].tr!("\r", "\n")
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# get mail date
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begin
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if mail.date
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data[:date] = Time.zone.parse(mail.date.to_s)
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end
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rescue
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data[:date] = nil
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end
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# remember original mail instance
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data[:mail_instance] = mail
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data
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end
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def _get_attachment(file, attachments, mail)
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# check if sub parts are available
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if file.parts.present?
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list = []
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file.parts.each do |p|
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attachment = _get_attachment(p, attachments, mail)
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list.concat(attachment)
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end
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return list
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end
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# ignore text/plain attachments - already shown in view
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return [] if mail.text_part&.body.to_s == file.body.to_s
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# ignore text/html - html part, already shown in view
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return [] if mail.html_part&.body.to_s == file.body.to_s
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# get file preferences
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headers_store = {}
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file.header.fields.each do |field|
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# full line, encode, ready for storage
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begin
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value = field.to_utf8
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if value.blank?
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value = field.raw_value
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end
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headers_store[field.name.to_s] = value
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rescue => e
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headers_store[field.name.to_s] = field.raw_value
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end
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end
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# cleanup content id, <> will be added automatically later
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headers_store['Content-ID']&.gsub!(/(^<|>$)/, '')
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# get filename from content-disposition
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filename = nil
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# workaround for: NoMethodError: undefined method `filename' for #<Mail::UnstructuredField:0x007ff109e80678>
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begin
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filename = file.header[:content_disposition].filename
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rescue
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begin
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if file.header[:content_disposition].to_s =~ /filename="(.+?)"/i
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filename = $1
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elsif file.header[:content_disposition].to_s =~ /filename='(.+?)'/i
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filename = $1
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elsif file.header[:content_disposition].to_s =~ /filename=(.+?);/i
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filename = $1
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end
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rescue
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Rails.logger.debug { 'Unable to get filename' }
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end
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end
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# as fallback, use raw values
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if filename.blank?
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if headers_store['Content-Disposition'].to_s =~ /filename="(.+?)"/i
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filename = $1
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elsif headers_store['Content-Disposition'].to_s =~ /filename='(.+?)'/i
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filename = $1
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elsif headers_store['Content-Disposition'].to_s =~ /filename=(.+?);/i
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filename = $1
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end
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end
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# for some broken sm mail clients (X-MimeOLE: Produced By Microsoft Exchange V6.5)
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filename ||= file.header[:content_location].to_s
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# generate file name based on content-id
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if filename.blank? && headers_store['Content-ID'].present?
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if headers_store['Content-ID'] =~ /(.+?)@.+?/i
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filename = $1
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end
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end
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# generate file name based on content type
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if filename.blank? && headers_store['Content-Type'].present?
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if headers_store['Content-Type'].match?(%r{^message/rfc822}i)
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begin
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parser = Channel::EmailParser.new
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mail_local = parser.parse(file.body.to_s)
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filename = if mail_local[:subject].present?
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"#{mail_local[:subject]}.eml"
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elsif headers_store['Content-Description'].present?
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"#{headers_store['Content-Description']}.eml".to_s.force_encoding('utf-8')
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else
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'Mail.eml'
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end
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rescue
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filename = 'Mail.eml'
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end
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end
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# e. g. Content-Type: video/quicktime; name="Video.MOV";
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if filename.blank?
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['name="(.+?)"(;|$)', "name='(.+?)'(;|$)", 'name=(.+?)(;|$)'].each do |regexp|
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if headers_store['Content-Type'] =~ /#{regexp}/i
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filename = $1
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break
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end
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end
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end
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# e. g. Content-Type: video/quicktime
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if filename.blank?
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map = {
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'message/delivery-status': ['txt', 'delivery-status'],
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'text/plain': %w[txt document],
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'text/html': %w[html document],
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'video/quicktime': %w[mov video],
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'image/jpeg': %w[jpg image],
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'image/jpg': %w[jpg image],
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'image/png': %w[png image],
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'image/gif': %w[gif image],
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}
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map.each do |type, ext|
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next if headers_store['Content-Type'] !~ /^#{Regexp.quote(type)}/i
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filename = if headers_store['Content-Description'].present?
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"#{headers_store['Content-Description']}.#{ext[0]}".to_s.force_encoding('utf-8')
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else
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"#{ext[1]}.#{ext[0]}"
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end
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break
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end
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end
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end
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if filename.blank?
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filename = 'file'
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end
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attachment_count = 0
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local_filename = ''
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local_extention = ''
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if filename =~ /^(.*?)\.(.+?)$/
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local_filename = $1
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local_extention = $2
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end
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(1..1000).each do |count|
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filename_exists = false
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attachments.each do |attachment|
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if attachment[:filename] == filename
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filename_exists = true
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end
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end
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break if filename_exists == false
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filename = if local_extention.present?
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"#{local_filename}#{count}.#{local_extention}"
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else
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"#{local_filename}#{count}"
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end
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end
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# get mime type
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if file.header[:content_type]&.string
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headers_store['Mime-Type'] = file.header[:content_type].string
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end
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# get charset
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if file.header&.charset
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headers_store['Charset'] = file.header.charset
|
|
||||||
end
|
|
||||||
|
|
||||||
# remove not needed header
|
|
||||||
headers_store.delete('Content-Transfer-Encoding')
|
|
||||||
headers_store.delete('Content-Disposition')
|
|
||||||
|
|
||||||
# workaround for mail gem
|
|
||||||
# https://github.com/zammad/zammad/issues/928
|
|
||||||
filename = Mail::Encodings.value_decode(filename)
|
|
||||||
|
|
||||||
attach = {
|
|
||||||
data: file.body.to_s,
|
|
||||||
filename: filename,
|
|
||||||
preferences: headers_store,
|
|
||||||
}
|
|
||||||
[attach]
|
|
||||||
end
|
end
|
||||||
|
|
||||||
=begin
|
=begin
|
||||||
|
|
@ -708,45 +329,51 @@ returns
|
||||||
true
|
true
|
||||||
end
|
end
|
||||||
|
|
||||||
def self.sender_properties(from)
|
def self.sender_attributes(from)
|
||||||
data = {}
|
if from.is_a?(Mail::Message)
|
||||||
return data if from.blank?
|
from = SENDER_FIELDS.map { |f| from.header[f] }.compact
|
||||||
begin
|
.map(&:to_utf8).reject(&:blank?)
|
||||||
list = Mail::AddressList.new(from)
|
.partition { |address| address.match?(EMAIL_REGEX) }
|
||||||
list.addresses.each do |address|
|
.flatten.first
|
||||||
data[:from_email] = address.address
|
|
||||||
data[:from_local] = address.local
|
|
||||||
data[:from_domain] = address.domain
|
|
||||||
data[:from_display_name] = address.display_name ||
|
|
||||||
(address.comments && address.comments[0])
|
|
||||||
break if data[:from_email].present? && data[:from_email] =~ /@/
|
|
||||||
end
|
|
||||||
rescue => e
|
|
||||||
if from =~ /<>/ && from =~ /<.+?>/
|
|
||||||
data = sender_properties(from.gsub(/<>/, ''))
|
|
||||||
end
|
|
||||||
end
|
end
|
||||||
|
|
||||||
if data.blank? || data[:from_email].blank?
|
data = {}.with_indifferent_access
|
||||||
from.strip!
|
return data if from.blank?
|
||||||
if from =~ /^(.+?)<(.+?)@(.+?)>$/
|
|
||||||
data[:from_email] = "#{$2}@#{$3}"
|
from = from.gsub('<>', '').strip
|
||||||
data[:from_local] = $2
|
mail_address = begin
|
||||||
data[:from_domain] = $3
|
Mail::AddressList.new(from).addresses
|
||||||
|
.select { |a| a.address.present? }
|
||||||
|
.partition { |a| a.address.match?(EMAIL_REGEX) }
|
||||||
|
.flatten.first
|
||||||
|
rescue Mail::Field::ParseError => e
|
||||||
|
STDOUT.puts e
|
||||||
|
end
|
||||||
|
|
||||||
|
if mail_address&.address.present?
|
||||||
|
data[:from_email] = mail_address.address
|
||||||
|
data[:from_local] = mail_address.local
|
||||||
|
data[:from_domain] = mail_address.domain
|
||||||
|
data[:from_display_name] = mail_address.display_name || mail_address.comments&.first
|
||||||
|
elsif from =~ /^(.+?)<((.+?)@(.+?))>$/
|
||||||
|
data[:from_email] = $2
|
||||||
|
data[:from_local] = $3
|
||||||
|
data[:from_domain] = $4
|
||||||
data[:from_display_name] = $1
|
data[:from_display_name] = $1
|
||||||
else
|
else
|
||||||
data[:from_email] = from
|
data[:from_email] = from
|
||||||
data[:from_local] = from
|
data[:from_local] = from
|
||||||
data[:from_domain] = from
|
data[:from_domain] = from
|
||||||
end
|
data[:from_display_name] = from
|
||||||
end
|
end
|
||||||
|
|
||||||
# do extra decoding because we needed to use field.value
|
# do extra decoding because we needed to use field.value
|
||||||
data[:from_display_name] = Mail::Field.new('X-From', data[:from_display_name].to_utf8).to_s
|
data[:from_display_name] =
|
||||||
data[:from_display_name].delete!('"')
|
Mail::Field.new('X-From', data[:from_display_name].to_utf8)
|
||||||
data[:from_display_name].strip!
|
.to_s
|
||||||
data[:from_display_name].gsub!(/^'/, '')
|
.delete('"')
|
||||||
data[:from_display_name].gsub!(/'$/, '')
|
.strip
|
||||||
|
.gsub(/(^'|'$)/, '')
|
||||||
|
|
||||||
data
|
data
|
||||||
end
|
end
|
||||||
|
|
@ -835,6 +462,270 @@ process unprocessable_mails (tmp/unprocessable_mail/*.eml) again
|
||||||
files
|
files
|
||||||
end
|
end
|
||||||
|
|
||||||
|
private
|
||||||
|
|
||||||
|
def message_header_hash(mail)
|
||||||
|
imported_fields = mail.header.fields.map do |f|
|
||||||
|
value = begin
|
||||||
|
f.to_utf8
|
||||||
|
rescue NameError # handle bug #1238 in Mail 2.7.1.rc1
|
||||||
|
'' # swap out for commented line below once upgrade is available
|
||||||
|
end
|
||||||
|
|
||||||
|
[f.name.downcase, value]
|
||||||
|
end.to_h
|
||||||
|
|
||||||
|
# imported_fields = mail.header.fields.map { |f| [f.name.downcase, f.to_utf8] }.to_h
|
||||||
|
raw_fields = mail.header.fields.map { |f| ["raw-#{f.name.downcase}", f] }.to_h
|
||||||
|
custom_fields = {}.tap do |h|
|
||||||
|
validated_recipients = imported_fields.slice(*RECIPIENT_FIELDS)
|
||||||
|
.transform_values { |v| v.match?(EMAIL_REGEX) ? v : '' }
|
||||||
|
h.merge!(validated_recipients)
|
||||||
|
|
||||||
|
h['date'] = Time.zone.parse(mail.date.to_s) || imported_fields['date']
|
||||||
|
h['message_id'] = imported_fields['message-id']
|
||||||
|
h['subject'] = imported_fields['subject']&.sub(/^=\?us-ascii\?Q\?(.+)\?=$/, '\1')
|
||||||
|
h['x-any-recipient'] = validated_recipients.values.select(&:present?).join(', ')
|
||||||
|
end
|
||||||
|
|
||||||
|
[imported_fields, raw_fields, custom_fields].reduce({}.with_indifferent_access, &:merge)
|
||||||
|
end
|
||||||
|
|
||||||
|
def message_body_hash(mail)
|
||||||
|
message = [mail.html_part, mail.text_part, mail].find { |m| m&.body.present? }
|
||||||
|
|
||||||
|
if message.mime_type.nil? || message.mime_type.match?(%r{^text/(plain|html)$})
|
||||||
|
content_type = message.mime_type || 'text/plain'
|
||||||
|
body = body_text(message, strict_html: content_type.eql?('text/html'))
|
||||||
|
end
|
||||||
|
|
||||||
|
content_type = 'text/plain' if body.blank?
|
||||||
|
|
||||||
|
{
|
||||||
|
attachments: collect_attachments(mail),
|
||||||
|
content_type: content_type || 'text/plain',
|
||||||
|
body: body.presence || 'no visible content'
|
||||||
|
}.with_indifferent_access
|
||||||
|
end
|
||||||
|
|
||||||
|
def body_text(message, **options)
|
||||||
|
body_text = begin
|
||||||
|
message.body.to_s
|
||||||
|
rescue Mail::UnknownEncodingType # see test/data/mail/mail043.box / issue #348
|
||||||
|
message.body.raw_source
|
||||||
|
end
|
||||||
|
|
||||||
|
body_text = body_text.utf8_encode(from: message.charset, fallback: :read_as_sanitized_binary)
|
||||||
|
body_text = Mail::Utilities.to_lf(body_text)
|
||||||
|
|
||||||
|
return body_text.html2html_strict if options[:strict_html]
|
||||||
|
body_text
|
||||||
|
end
|
||||||
|
|
||||||
|
def collect_attachments(mail)
|
||||||
|
attachments = []
|
||||||
|
|
||||||
|
# Add non-plaintext body as an attachment
|
||||||
|
if mail.html_part&.body.present? ||
|
||||||
|
(!mail.multipart? && mail.mime_type.present? && mail.mime_type != 'text/plain')
|
||||||
|
message = mail.html_part || mail
|
||||||
|
|
||||||
|
filename = message.filename.presence ||
|
||||||
|
(message.mime_type.eql?('text/html') ? 'message.html' : '-no name-')
|
||||||
|
|
||||||
|
headers_store = {
|
||||||
|
'content-alternative' => true,
|
||||||
|
'original-format' => message.mime_type.eql?('text/html'),
|
||||||
|
'Mime-Type' => message.mime_type,
|
||||||
|
'Charset' => message.charset,
|
||||||
|
}.reject { |_, v| v.blank? }
|
||||||
|
|
||||||
|
attachments.push({ data: body_text(message),
|
||||||
|
filename: filename,
|
||||||
|
preferences: headers_store })
|
||||||
|
end
|
||||||
|
|
||||||
|
mail.parts.each do |part|
|
||||||
|
begin
|
||||||
|
new_attachments = get_attachments(part, attachments, mail).flatten.compact
|
||||||
|
attachments.push(*new_attachments)
|
||||||
|
rescue => e # Protect process to work with spam emails (see test/fixtures/mail15.box)
|
||||||
|
raise e if (fail_count ||= 0).positive?
|
||||||
|
(fail_count += 1) && retry
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
attachments
|
||||||
|
end
|
||||||
|
|
||||||
|
def get_attachments(file, attachments, mail)
|
||||||
|
return file.parts.map { |p| get_attachments(p, attachments, mail) } if file.parts.any?
|
||||||
|
return [] if [mail.text_part, mail.html_part].include?(file)
|
||||||
|
|
||||||
|
# get file preferences
|
||||||
|
headers_store = {}
|
||||||
|
file.header.fields.each do |field|
|
||||||
|
|
||||||
|
# full line, encode, ready for storage
|
||||||
|
begin
|
||||||
|
value = field.to_utf8
|
||||||
|
if value.blank?
|
||||||
|
value = field.raw_value
|
||||||
|
end
|
||||||
|
headers_store[field.name.to_s] = value
|
||||||
|
rescue => e
|
||||||
|
headers_store[field.name.to_s] = field.raw_value
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
# cleanup content id, <> will be added automatically later
|
||||||
|
if headers_store['Content-ID']
|
||||||
|
headers_store['Content-ID'].gsub!(/^</, '')
|
||||||
|
headers_store['Content-ID'].gsub!(/>$/, '')
|
||||||
|
end
|
||||||
|
|
||||||
|
# get filename from content-disposition
|
||||||
|
|
||||||
|
# workaround for: NoMethodError: undefined method `filename' for #<Mail::UnstructuredField:0x007ff109e80678>
|
||||||
|
filename = file.header[:content_disposition].try(:filename)
|
||||||
|
|
||||||
|
begin
|
||||||
|
if file.header[:content_disposition].to_s =~ /filename="(.+?)"/i
|
||||||
|
filename = $1
|
||||||
|
elsif file.header[:content_disposition].to_s =~ /filename='(.+?)'/i
|
||||||
|
filename = $1
|
||||||
|
elsif file.header[:content_disposition].to_s =~ /filename=(.+?);/i
|
||||||
|
filename = $1
|
||||||
|
end
|
||||||
|
rescue
|
||||||
|
Rails.logger.debug { 'Unable to get filename' }
|
||||||
|
end
|
||||||
|
|
||||||
|
# as fallback, use raw values
|
||||||
|
if filename.blank?
|
||||||
|
if headers_store['Content-Disposition'].to_s =~ /filename="(.+?)"/i
|
||||||
|
filename = $1
|
||||||
|
elsif headers_store['Content-Disposition'].to_s =~ /filename='(.+?)'/i
|
||||||
|
filename = $1
|
||||||
|
elsif headers_store['Content-Disposition'].to_s =~ /filename=(.+?);/i
|
||||||
|
filename = $1
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
# for some broken sm mail clients (X-MimeOLE: Produced By Microsoft Exchange V6.5)
|
||||||
|
filename ||= file.header[:content_location].to_s
|
||||||
|
|
||||||
|
# generate file name based on content-id
|
||||||
|
if filename.blank? && headers_store['Content-ID'].present?
|
||||||
|
if headers_store['Content-ID'] =~ /(.+?)@.+?/i
|
||||||
|
filename = $1
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
# generate file name based on content type
|
||||||
|
if filename.blank? && headers_store['Content-Type'].present?
|
||||||
|
if headers_store['Content-Type'].match?(%r{^message/rfc822}i)
|
||||||
|
begin
|
||||||
|
parser = Channel::EmailParser.new
|
||||||
|
mail_local = parser.parse(file.body.to_s)
|
||||||
|
filename = if mail_local[:subject].present?
|
||||||
|
"#{mail_local[:subject]}.eml"
|
||||||
|
elsif headers_store['Content-Description'].present?
|
||||||
|
"#{headers_store['Content-Description']}.eml".to_s.force_encoding('utf-8')
|
||||||
|
else
|
||||||
|
'Mail.eml'
|
||||||
|
end
|
||||||
|
rescue
|
||||||
|
filename = 'Mail.eml'
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
# e. g. Content-Type: video/quicktime; name="Video.MOV";
|
||||||
|
if filename.blank?
|
||||||
|
['name="(.+?)"(;|$)', "name='(.+?)'(;|$)", 'name=(.+?)(;|$)'].each do |regexp|
|
||||||
|
if headers_store['Content-Type'] =~ /#{regexp}/i
|
||||||
|
filename = $1
|
||||||
|
break
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
# e. g. Content-Type: video/quicktime
|
||||||
|
if filename.blank?
|
||||||
|
map = {
|
||||||
|
'message/delivery-status': ['txt', 'delivery-status'],
|
||||||
|
'text/plain': %w[txt document],
|
||||||
|
'text/html': %w[html document],
|
||||||
|
'video/quicktime': %w[mov video],
|
||||||
|
'image/jpeg': %w[jpg image],
|
||||||
|
'image/jpg': %w[jpg image],
|
||||||
|
'image/png': %w[png image],
|
||||||
|
'image/gif': %w[gif image],
|
||||||
|
}
|
||||||
|
map.each do |type, ext|
|
||||||
|
next if headers_store['Content-Type'] !~ /^#{Regexp.quote(type)}/i
|
||||||
|
filename = if headers_store['Content-Description'].present?
|
||||||
|
"#{headers_store['Content-Description']}.#{ext[0]}".to_s.force_encoding('utf-8')
|
||||||
|
else
|
||||||
|
"#{ext[1]}.#{ext[0]}"
|
||||||
|
end
|
||||||
|
break
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
if filename.blank?
|
||||||
|
filename = 'file'
|
||||||
|
end
|
||||||
|
|
||||||
|
local_filename = ''
|
||||||
|
local_extention = ''
|
||||||
|
if filename =~ /^(.*?)\.(.+?)$/
|
||||||
|
local_filename = $1
|
||||||
|
local_extention = $2
|
||||||
|
end
|
||||||
|
|
||||||
|
1.upto(1000) do |i|
|
||||||
|
filename_exists = false
|
||||||
|
attachments.each do |attachment|
|
||||||
|
if attachment[:filename] == filename
|
||||||
|
filename_exists = true
|
||||||
|
end
|
||||||
|
end
|
||||||
|
break if filename_exists == false
|
||||||
|
filename = if local_extention.present?
|
||||||
|
"#{local_filename}#{i}.#{local_extention}"
|
||||||
|
else
|
||||||
|
"#{local_filename}#{i}"
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
# get mime type
|
||||||
|
if file.header[:content_type]&.string
|
||||||
|
headers_store['Mime-Type'] = file.header[:content_type].string
|
||||||
|
end
|
||||||
|
|
||||||
|
# get charset
|
||||||
|
if file.header&.charset
|
||||||
|
headers_store['Charset'] = file.header.charset
|
||||||
|
end
|
||||||
|
|
||||||
|
# remove not needed header
|
||||||
|
headers_store.delete('Content-Transfer-Encoding')
|
||||||
|
headers_store.delete('Content-Disposition')
|
||||||
|
|
||||||
|
# workaround for mail gem
|
||||||
|
# https://github.com/zammad/zammad/issues/928
|
||||||
|
filename = Mail::Encodings.value_decode(filename)
|
||||||
|
|
||||||
|
attach = {
|
||||||
|
data: file.body.to_s,
|
||||||
|
filename: filename,
|
||||||
|
preferences: headers_store,
|
||||||
|
}
|
||||||
|
|
||||||
|
[attach]
|
||||||
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
module Mail
|
module Mail
|
||||||
|
|
@ -848,7 +739,7 @@ module Mail
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
# workaround to parse subjects with 2 different encodings correctly (e. g. quoted-printable see test/data/mail/mail009.box)
|
# workaround to parse subjects with 2 different encodings correctly (e. g. quoted-printable see test/fixtures/mail9.box)
|
||||||
module Encodings
|
module Encodings
|
||||||
def self.value_decode(str)
|
def self.value_decode(str)
|
||||||
# Optimization: If there's no encoded-words in the string, just return it
|
# Optimization: If there's no encoded-words in the string, just return it
|
||||||
|
|
@ -883,19 +774,4 @@ module Mail
|
||||||
end.join('')
|
end.join('')
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
# issue#348 - IMAP mail fetching stops because of broken spam email (e. g. broken Content-Transfer-Encoding value see test/data/mail/mail043.box)
|
|
||||||
# https://github.com/zammad/zammad/issues/348
|
|
||||||
class Body
|
|
||||||
def decoded
|
|
||||||
if !Encodings.defined?(encoding)
|
|
||||||
#raise UnknownEncodingType, "Don't know how to decode #{encoding}, please call #encoded and decode it yourself."
|
|
||||||
Rails.logger.info "UnknownEncodingType: Don't know how to decode #{encoding}!"
|
|
||||||
raw_source
|
|
||||||
else
|
|
||||||
Encodings.get_encoding(encoding).decode(raw_source)
|
|
||||||
end
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
end
|
end
|
||||||
|
|
|
||||||
|
|
@ -19,7 +19,7 @@ module Channel::Filter::ReplyToBasedSender
|
||||||
mail['origin_from_display_name'.to_sym] = mail[:from_display_name]
|
mail['origin_from_display_name'.to_sym] = mail[:from_display_name]
|
||||||
|
|
||||||
# get properties of reply-to header
|
# get properties of reply-to header
|
||||||
result = Channel::EmailParser.sender_properties(reply_to)
|
result = Channel::EmailParser.sender_attributes(reply_to)
|
||||||
|
|
||||||
if setting == 'as_sender_of_email'
|
if setting == 'as_sender_of_email'
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -2,4 +2,4 @@
|
||||||
from: marketingmanager@nthcpghana.com
|
from: marketingmanager@nthcpghana.com
|
||||||
from_email: marketingmanager@nthcpghana.com
|
from_email: marketingmanager@nthcpghana.com
|
||||||
from_display_name: ''
|
from_display_name: ''
|
||||||
to:
|
to: ''
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue