Module: Flatfish::Url

Included in:
Page
Defined in:
lib/flatfish/url.rb

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.creds ⇒ Object

Returns the value of attribute creds.



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# File 'lib/flatfish/url.rb', line 5

def creds
  @creds
end

Class Method Details

.absolutify(url, cd) ⇒ Object

take a URL, return an absolute URL



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# File 'lib/flatfish/url.rb', line 26

def absolutify url, cd 
  url = url.to_s
  # deal w/ bad URLs, already absolute, etc
  begin
    u = URI.parse(url)
  rescue
    # GIGO, no need for alarm
    return url
  end

  return url if u.absolute? # http://example.com/about
  c = URI.parse(cd)
  return c.scheme + "://" + c.host + url if url.index('/') == 0 # /about
  return cd + url if url.match(/^[a-zA-Z]+/) # about*

  # only relative from here on in; ../about, ./about, ../../about
  u_dirs = u.path.split('/')
  c_dirs = c.path.split('/')

  # move up the directory until there are no more relative paths
  u.path.split('/').each do |x|
    break unless (x == '' || x == '..' || x == '.')
    u_dirs.shift
    c_dirs.pop unless x == '.'
  end
  return c.scheme + "://" + c.host + c_dirs.join('/') + '/' +  u_dirs.join('/')
end

.open_url(url) ⇒ Object

Handle SSL Redirects + HTTP Auth to catch linked files @ runtime



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# File 'lib/flatfish/url.rb', line 10

def open_url url
  begin
    html = open(url).read
  rescue Exception => e
    redirect = URI.parse(url)
    if e.message =~ /redirection forbidden/ && redirect.scheme == 'http'
      html = open_url("https://" + redirect.host + redirect.path)
    end
    if e.message =~ /(Authorization Required|Unauthorized)/
      html = open(url, @creds).read
    end
  end
  return html
end