Class: SC::Rack::Filesystem

Inherits:
Object
  • Object
show all
Defined in:
lib/sproutcore/rack/filesystem.rb

Overview

Sends and modifies files in the local file system. Uses Rack::Rack::File to transfer the file, which makes this work with rack/sendfile and other middleware. Some code originally adapted from Rack::Rack::File.

Instance Method Summary collapse

Constructor Details

#initialize(project) ⇒ Filesystem

Returns a new instance of Filesystem.



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# File 'lib/sproutcore/rack/filesystem.rb', line 22

def initialize(project)
  @project = project
end

Instance Method Details

#call(env) ⇒ Object

Accepts the following commands

GET /foo/bar/blah

  • send blah back to the client

POST /foo/bar/blah with no “action” body parameter

  • also sends contents of blah back to the client (defeats caching)

POST to /foo/bar/blah with “action=save” and “file” body parameters

  • create a file named “blah” with contents of file OR overwrite “blah” with contents of file; create /foo/bar if needed

POST to /foo/bar/blah with “action=touch” body parameter

  • create an empty file named “blah” OR update the timestamp of blah; create /foo/bar if needed

POST to /foo/bar/blah with “action=makedir” body parameter

  • create a directory named “blah” and create parent directories if needed

POST to /foo/bar/blah with “action=append” and “file” body parameters

  • append the contents of the file body parameter to the blah file; return error if “blah” doesn’t exist

POST to /foo/bar/blah with “action=remove” body parameter

  • delete a file or directory named “blah”; will fail if directory is not empty



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# File 'lib/sproutcore/rack/filesystem.rb', line 60

def call(env)
  regex = /^\/sproutcore\/fs/
  params = ::Rack::Request.new(env).params
  
  path = env["PATH_INFO"]
  return [404, {}, "not found"] unless path =~ regex
  
  path = path.sub regex, '' # remove path prefix
  action = params['action']
  
  case action
  when nil
    send_file(path)
  when 'save'
    save_file(path,params)
  when 'append'
    append_file(path,params)
  when 'touch'
    touch_file(path)
  when 'makedir'
    make_directory(path)
  when 'remove'
    remove_path(path)
  else
    forbidden("Unknown action #{params['action']}")
  end
rescue StandardError
  return forbidden("Cannot #{action} #{path} due to #{$!.message}")
end

#root_dir ⇒ Object 



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# File 'lib/sproutcore/rack/filesystem.rb', line 26

def root_dir
  unless @root_dir
    @root_dir = @project.project_root
  end
  return @root_dir
end