Class: ScriptCheck

Inherits:
HTMLProofer::Check show all
Defined in:
lib/html-proofer/check/scripts.rb

Instance Attribute Summary collapse

Attributes inherited from HTMLProofer::Check

#element, #external_urls, #html, #issues, #node, #options, #path

Instance Method Summary collapse

Methods inherited from HTMLProofer::Check

#add_issue, #add_path_for_url, #add_to_external_urls, #blank?, #create_element, #initialize, subchecks

Constructor Details

This class inherits a constructor from HTMLProofer::Check

Instance Attribute Details

#src ⇒ Object (readonly)

Returns the value of attribute src.



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# File 'lib/html-proofer/check/scripts.rb', line 4

def src
  @src
end

Instance Method Details

#check_sri(line, content) ⇒ Object 



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# File 'lib/html-proofer/check/scripts.rb', line 33

def check_sri(line, content)
  if !defined?(@script.integrity) && !defined?(@script.crossorigin)
    add_issue("SRI and CORS not provided in: #{@script.src}", line: line, content: content)
  elsif !defined?(@script.integrity)
    add_issue("Integrity is missing in: #{@script.src}", line: line, content: content)
  elsif !defined?(@script.crossorigin)
    add_issue("CORS not provided for external resource in: #{@script.src}", line: line, content: content)
  end
end

#missing_src? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/html-proofer/check/scripts.rb', line 6

def missing_src?
  !@script.src
end

#run ⇒ Object 



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# File 'lib/html-proofer/check/scripts.rb', line 10

def run
  @html.css('script').each do |node|
    @script = create_element(node)
    line = node.line
    content = node.content

    next if @script.ignore?
    next unless node.text.strip.empty?

    # does the script exist?
    if missing_src?
      add_issue('script is empty and has no src attribute', line: line, content: content)
    elsif @script.remote?
      add_to_external_urls(@script.src)
      check_sri(line, content) if @script.check_sri?
    elsif !@script.exists?
      add_issue("internal script #{@script.src} does not exist", line: line, content: content)
    end
  end

  external_urls
end