fs - simple file server

Check-in [87b77ab4de]
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Check-in [87b77ab4de]

Overview
Comment:Serve index.html files correctly.
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SHA3-256: 87b77ab4de07524cbd4ee291570b7b464259f6e4346b2249f0dcfb7933317be8
User & Date: marka on 2025-08-15 07:04:49.792
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Context
2025-08-15
13:44
Use Crystal MIME library for determining content-type. check-in: e81f9f06dd user: marka tags: trunk
07:04
Serve index.html files correctly. check-in: 87b77ab4de user: marka tags: trunk
02:26
First checkin. check-in: 0ec0ee863c user: marka tags: trunk
Changes
Side-by-Side Diff Ignore Whitespace Patch
Modified src/fs.cr from [ce44d3a1f8] to [ff1867bb3f].
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end

# Simple HTTP server for static files.

class Server
  def initialize(config : Config)
    @config = config
    @root = config.root
    @server = uninitialized HTTP::Server
  end

  def process_request(context : HTTP::Server::Context)
    request = context.request
    request_path = request.path
    method = request.method
    root = @config.root

    MyLog.debug "process_request: got path #{request_path}, method #{method}"

    path = File.join(root, request_path)
    path = File.join(@root, request_path)
    if Dir.exists?(path)
      path = File.join(path, "index.html")
    end
    if File.exists?(path)
      content_type = `file -b --mime-type #{path}`.strip
      context.response.content_type = `file -b --mime-type #{path}`.strip
      context.response.content_type = content_type
      MyLog.info "Serving #{path}, content type #{content_type}"
      File.open(path) { |file| IO.copy(file, context.response) }
    else
      MyLog.error "No such file #{path}"
      context.response.respond_with_status(404, "No such file #{request_path}")
    end
  end

  def start
    @server = HTTP::Server.new do |context|
      process_request(context)
    end
    @server = HTTP::Server.new([
      HTTP::ErrorHandler.new,
      HTTP::LogHandler.new,
      HTTP::StaticFileHandler.new(@root, directory_listing: false)
      ]) do |context|
        process_request(context)
      end

    if @server
      address = @server.bind_tcp @config.host, @config.port
      puts "Listening on http://#{address}"

      # If SSL is specified, set that up.  If you have Apache
      # available, it's probably better to NOT let fs handle
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