debian-mirror-gitlab/app/controllers/help_controller.rb

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# frozen_string_literal: true
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class HelpController < ApplicationController
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skip_before_action :authenticate_user!
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layout 'help'
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# Taken from Jekyll
# 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
@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.
# '//' not necessarily part of URL, e.g., mailto:mail@example.com
# See https://rubular.com/r/DFHZl5w8d3bpzV
@help_index.gsub!(%r{(?<delim>\]\()(?!\w+:)(?!/)(?<link>[^\)\(]+\))}) do
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"#{$~[:delim]}#{Gitlab.config.gitlab.relative_url_root}/help/#{$~[:link]}"
end
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end
def show
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@path = Rack::Utils.clean_path_info(path_params[:path])
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respond_to do |format|
format.any(:markdown, :md, :html) do
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# Note: We are purposefully NOT using `Rails.root.join`
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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
@markdown = File.read(path).gsub(YAML_FRONT_MATTER_REGEXP, '')
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render 'show.html.haml'
else
# Force template to Haml
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render 'errors/not_found.html.haml', layout: 'errors', status: :not_found
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end
end
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# Allow access to specific media files in the doc folder
format.any(:png, :gif, :jpeg, :mp4, :mp3) do
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# Note: We are purposefully NOT using `Rails.root.join`
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path = File.join(Rails.root, 'doc', "#{@path}.#{params[:format]}")
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if File.exist?(path)
send_file(path, disposition: 'inline')
else
head :not_found
end
end
# Any other format we don't recognize, just respond 404
format.any { head :not_found }
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end
end
def shortcuts
end
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def instance_configuration
@instance_configuration = InstanceConfiguration.new
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
private
def path_params
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params.require(:path)
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params
end
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end