2021-06-01 12:20:20 +00:00
|
|
|
# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
|
|
|
|
|
2021-05-25 12:30:12 +00:00
|
|
|
class Sequencer
|
|
|
|
class Unit
|
|
|
|
module Import
|
|
|
|
module Freshdesk
|
|
|
|
module Conversation
|
|
|
|
class InlineImages < Sequencer::Unit::Base
|
|
|
|
include ::Sequencer::Unit::Import::Common::Mapping::Mixin::ProvideMapped
|
|
|
|
|
|
|
|
uses :mapped
|
|
|
|
|
|
|
|
def process
|
|
|
|
return if !contains_inline_image?(mapped[:body])
|
|
|
|
|
|
|
|
provide_mapped do
|
|
|
|
{
|
|
|
|
body: replaced_inline_images,
|
|
|
|
}
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
def self.inline_data(freshdesk_url)
|
|
|
|
@cache ||= {}
|
|
|
|
return @cache[freshdesk_url] if @cache[freshdesk_url]
|
|
|
|
|
|
|
|
image_data = download(freshdesk_url)
|
|
|
|
return if image_data.blank?
|
|
|
|
|
|
|
|
@cache[freshdesk_url] = "data:image/png;base64,#{Base64.strict_encode64(image_data)}"
|
|
|
|
@cache[freshdesk_url]
|
|
|
|
end
|
|
|
|
|
|
|
|
def self.download(freshdesk_url)
|
|
|
|
logger.debug { "Downloading inline image from #{freshdesk_url}" }
|
|
|
|
|
|
|
|
response = UserAgent.get(
|
|
|
|
freshdesk_url,
|
|
|
|
{},
|
|
|
|
{
|
|
|
|
open_timeout: 20,
|
|
|
|
read_timeout: 240,
|
|
|
|
},
|
|
|
|
)
|
|
|
|
|
|
|
|
return response.body if response.success?
|
|
|
|
|
|
|
|
logger.error response.error
|
|
|
|
nil
|
|
|
|
end
|
|
|
|
|
|
|
|
private
|
|
|
|
|
|
|
|
def contains_inline_image?(string)
|
|
|
|
return false if string.blank?
|
|
|
|
|
|
|
|
string.include?('freshdesk.com/inline/attachment')
|
|
|
|
end
|
|
|
|
|
|
|
|
def replaced_inline_images
|
|
|
|
body_html = Nokogiri::HTML(mapped[:body])
|
|
|
|
|
|
|
|
body_html.css('img').each do |node|
|
|
|
|
next if !contains_inline_image?(node['src'])
|
|
|
|
|
|
|
|
node.attributes['src'].value = self.class.inline_data(node['src'])
|
|
|
|
end
|
|
|
|
|
|
|
|
body_html.to_html
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|