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# frozen_string_literal: true
module Markup
class RenderingService
# Let's increase the render timeout
# For a smaller one, a test that renders the blob content statically fails
# We can consider removing this custom timeout when markup_rendering_timeout FF is removed:
# https://gitlab.com/gitlab-org/gitlab/-/issues/365358
RENDER_TIMEOUT = 5.seconds
def initialize(text, file_name: nil, context: {}, postprocess_context: {})
@text = text
@file_name = file_name
@context = context
@postprocess_context = postprocess_context
end
def execute
return '' unless text.present?
return context.delete(:rendered) if context.has_key?(:rendered)
html = file_name ? markup_unsafe : markdown_unsafe
return '' unless html.present?
postprocess_context ? postprocess(html) : html
end
private
def markup_unsafe
markup = proc do
if Gitlab::MarkupHelper.gitlab_markdown?(file_name)
markdown_unsafe
elsif Gitlab::MarkupHelper.asciidoc?(file_name)
asciidoc_unsafe
elsif Gitlab::MarkupHelper.plain?(file_name)
plain_unsafe
else
other_markup_unsafe
end
end
if Feature.enabled?(:markup_rendering_timeout, context[:project])
Gitlab::RenderTimeout.timeout(foreground: RENDER_TIMEOUT, &markup)
else
markup.call
end
rescue StandardError => e
Gitlab::ErrorTracking.track_exception(e, project_id: context[:project]&.id, file_name: file_name)
ActionController::Base.helpers.simple_format(text)
end
def markdown_unsafe
Banzai.render(text, context)
end
def asciidoc_unsafe
Gitlab::Asciidoc.render(text, context)
end
def plain_unsafe
ActionController::Base.helpers.content_tag :pre, class: 'plain-readme' do
text
end
end
def other_markup_unsafe
Gitlab::OtherMarkup.render(file_name, text, context)
end
def postprocess(html)
Banzai.post_process(html, context.reverse_merge(postprocess_context))
end
attr_reader :text, :file_name, :context, :postprocess_context
end
end
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