Class: Rack::FaviconAll

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/favicon_all.rb,
lib/rack/favicon_all/version.rb

Constant Summary collapse

FAVICON = 
[
  { path: /\A\/favicon\.ico/, size: [16, 16], mime_type: 'image/x-icon', format: 'ICO' },
  { path: /\A\/favicon-16x16\.png/, size: [16, 16] },
  { path: /\A\/favicon-32x32\.png/, size: [32, 32] },
  { path: /\A\/favicon-96x96\.png/, size: [96, 96] },
  { path: /\A\/favicon-160x160\.png/, size: [160, 160] },
  { path: /\A\/favicon-196x196\.png/, size: [196, 196] },
  { path: /\A\/mstile-70x70\.png/, size: [70, 70] },
  { path: /\A\/mstile-144x144\.png/, size: [144, 144] },
  { path: /\A\/mstile-150x150\.png/, size: [150, 150] },
  { path: /\A\/mstile-310x310\.png/, size: [310, 310] },
  { path: /\A\/mstile-310x150\.png/, size: [310, 150] },
  { path: /\A\/apple-touch-icon-57x57\.png/, size: [57, 57] },
  { path: /\A\/apple-touch-icon-60x60\.png/, size: [60, 60] },
  { path: /\A\/apple-touch-icon-72x72\.png/, size: [72, 72] },
  { path: /\A\/apple-touch-icon-76x76\.png/, size: [76, 76] },
  { path: /\A\/apple-touch-icon-114x114\.png/, size: [114, 114] },
  { path: /\A\/apple-touch-icon-120x120\.png/, size: [120, 120] },
  { path: /\A\/apple-touch-icon-144x144\.png/, size: [144, 144] },
  { path: /\A\/apple-touch-icon-152x152\.png/, size: [152, 152] },
  { path: /\A\/apple-touch-icon\.png/, size: [57, 57] },
  { path: /\A\/apple-touch-icon-precomposed\.png/, size: [57, 57] },
]
VERSION = 
"0.0.1"

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ FaviconAll 



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# File 'lib/rack/favicon_all.rb', line 30

def initialize(app, options = {})
  @app = app
  @favicon_path = options[:favicon_path]
  @image = Magick::Image.read(@favicon_path).first unless @favicon_path.nil?
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/favicon_all.rb', line 36

def call(env)
  status, headers, body = @app.call(env)
  return [status, headers, body] if @image.nil?

  favicon_info = FAVICON.find { |f| env['PATH_INFO'] =~ f[:path] }

  return [status, headers, body] if favicon_info.nil?

  body = genarate_favicon(favicon_info)
  headers["Content-Length"] = body.bytesize.to_s
  headers["Content-Type"]   = favicon_info[:mime_type] || "imgae/png"
  [status, headers, [body]]
end