Class: Onebox::Preview

Inherits:
Object
  • Object
show all
Defined in:
lib/onebox/preview.rb

Defined Under Namespace

Classes: InvalidURI

Constant Summary collapse

WEB_EXCEPTIONS = 
[
  client_exception,
  OpenURI::HTTPError,
  Timeout::Error,
  Net::HTTPError,
  Errno::ECONNREFUSED,
]

Instance Method Summary collapse

Constructor Details

#initialize(url, options = Onebox.options) ⇒ Preview

Returns a new instance of Preview.



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# File 'lib/onebox/preview.rb', line 16

def initialize(url, options = Onebox.options)
  @url = url
  @options = options.dup

  allowed_origins = @options[:allowed_iframe_origins] || Onebox::Engine.all_iframe_origins
  @options[:allowed_iframe_regexes] = Engine.origins_to_regexes(allowed_origins)

  @engine_class = Matcher.new(@url, @options).oneboxed
end

Instance Method Details

#data ⇒ Object 



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# File 'lib/onebox/preview.rb', line 45

def data
  return {} unless engine
  engine.data
end

#errors ⇒ Object 



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# File 'lib/onebox/preview.rb', line 40

def errors
  return {} unless engine
  engine.errors
end

#options ⇒ Object 



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# File 'lib/onebox/preview.rb', line 55

def options
  OpenStruct.new(@options)
end

#placeholder_html ⇒ Object 



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# File 'lib/onebox/preview.rb', line 33

def placeholder_html
  return "" unless engine
  sanitize process_html engine.placeholder_html
rescue *WEB_EXCEPTIONS
  ""
end

#to_s ⇒ Object 



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# File 'lib/onebox/preview.rb', line 26

def to_s
  return "" unless engine
  sanitize process_html engine_html
rescue *WEB_EXCEPTIONS
  ""
end

#verified_data ⇒ Object 



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# File 'lib/onebox/preview.rb', line 50

def verified_data
  return {} unless engine
  engine.verified_data
end