Class: Asciidoctor::Foodogsquared::Extensions::GitLabIncludeProcessor

Inherits:
Extensions::IncludeProcessor
  • Object
show all
Defined in:
lib/asciidoctor/foodogsquared/extensions/gitlab-include-processor.rb

Instance Method Summary collapse

Instance Method Details

#handles?(target) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asciidoctor/foodogsquared/extensions/gitlab-include-processor.rb', line 10

def handles?(target)
  target.start_with? 'gitlab:'
end

#process(doc, reader, target, attrs) ⇒ Object 



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# File 'lib/asciidoctor/foodogsquared/extensions/gitlab-include-processor.rb', line 14

def process(doc, reader, target, attrs)
  src = target.delete_prefix('gitlab:').split('/', 2)
  owner = src.at 0
  repo = src.at 1
  namespaced_repo = "#{owner}/#{repo}"

  raise %(there is no 'path' attribute given for GitLab repo '#{namespaced_repo}') unless attrs.key? 'path'
  raise %(no given ref for getting file in '#{namespaced_repo}') unless attrs.key? 'rev'

  path = attrs['path']
  rev = attrs['rev']

  domain = attrs['domain'] || 'gitlab.com'
  version = attrs['version'] || 'v4'

  uri = URI.parse %(https://#{domain}/api/#{version})

  # Set the project.
  uri += %(/projects/#{URI.encode_www_form_component namespaced_repo})

  # Then the filename.
  uri += %(/repository/files/#{URI.encode_www_form_component path})

  # Then the revision.
  query = { ref: rev }
  uri.query = URI.encode_www_form query

  content = begin
    headers = { 'Content-Type' => 'application-json' }
    header['PRIVATE-TOKEN'] = ENV['GITLAB_API_PERSONAL_ACCESS_TOKEN'] if ENV['GITLAB_API_PERSONAL_ACCESS_TOKEN']

    OpenURI.open_uri(uri, headers) do |f|
      response = JSON.parse(f.read)

      Base64.decode64 response['content'] if response['content'] && response['encoding'] == 'base64'
    end
  rescue OpenURI::HTTPError => e
    warning = %(error while getting '#{path}' in GitLab repo '#{repo}': #{e})
    warn_or_raise doc, warning
    warning
  end

  reader.push_include content, target, target, 1, attrs
  reader
end