80 lines
2.4 KiB
Ruby
80 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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class HelpController < ApplicationController
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skip_before_action :authenticate_user!, unless: :public_visibility_restricted?
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feature_category :not_owned
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layout 'help'
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# Taken from Jekyll
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# https://github.com/jekyll/jekyll/blob/3.5-stable/lib/jekyll/document.rb#L13
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YAML_FRONT_MATTER_REGEXP = /\A(---\s*\n.*?\n?)^((---|\.\.\.)\s*$\n?)/m.freeze
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def index
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# Remove YAML frontmatter so that it doesn't look weird
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@help_index = File.read(Rails.root.join('doc', 'README.md')).sub(YAML_FRONT_MATTER_REGEXP, '')
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# Prefix Markdown links with `help/` unless they are external links.
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# '//' not necessarily part of URL, e.g., mailto:mail@example.com
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# See https://rubular.com/r/DFHZl5w8d3bpzV
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@help_index.gsub!(%r{(?<delim>\]\()(?!\w+:)(?!/)(?<link>[^\)\(]+\))}) do
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"#{$~[:delim]}#{Gitlab.config.gitlab.relative_url_root}/help/#{$~[:link]}"
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end
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end
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def show
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@path = Rack::Utils.clean_path_info(path_params[:path])
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respond_to do |format|
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format.any(:markdown, :md, :html) do
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# Note: We are purposefully NOT using `Rails.root.join` because of https://gitlab.com/gitlab-org/gitlab/-/issues/216028.
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path = File.join(Rails.root, 'doc', "#{@path}.md")
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if File.exist?(path)
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# Remove YAML frontmatter so that it doesn't look weird
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@markdown = File.read(path).gsub(YAML_FRONT_MATTER_REGEXP, '')
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render 'show.html.haml'
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else
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# Force template to Haml
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render 'errors/not_found.html.haml', layout: 'errors', status: :not_found
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end
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end
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# Allow access to specific media files in the doc folder
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format.any(:png, :gif, :jpeg, :mp4, :mp3) do
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# Note: We are purposefully NOT using `Rails.root.join` because of https://gitlab.com/gitlab-org/gitlab/-/issues/216028.
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path = File.join(Rails.root, 'doc', "#{@path}.#{params[:format]}")
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if File.exist?(path)
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send_file(path, disposition: 'inline')
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else
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head :not_found
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end
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end
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# Any other format we don't recognize, just respond 404
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format.any { head :not_found }
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end
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end
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def shortcuts
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end
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def instance_configuration
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@instance_configuration = InstanceConfiguration.new
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end
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def ui
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@user = User.new(id: 0, name: 'John Doe', username: '@johndoe')
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end
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private
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def path_params
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params.require(:path)
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params
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end
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end
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