Module: ActionDispatch::Http::URL

Included in:
Request
Defined in:
actionpack/lib/action_dispatch/http/url.rb

Constant Summary collapse

IP_HOST_REGEXP = 
/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/
HOST_REGEXP = 
/(^.*:\/\/)?([^:]+)(?::(\d+$))?/
PROTOCOL_REGEXP = 
/^([^:]+)(:)?(\/\/)?$/

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extract_domain(host, tld_length = @@tld_length) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 15

def extract_domain(host, tld_length = @@tld_length)
  host.split('.').last(1 + tld_length).join('.') if named_host?(host)
end

.extract_subdomain(host, tld_length = @@tld_length) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 28

def extract_subdomain(host, tld_length = @@tld_length)
  extract_subdomains(host, tld_length).join('.')
end

.extract_subdomains(host, tld_length = @@tld_length) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 19

def extract_subdomains(host, tld_length = @@tld_length)
  if named_host?(host)
    parts = host.split('.')
    parts[0..-(tld_length + 2)]
  else
    []
  end
end

.url_for(options = {}) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 32

def url_for(options = {})
  options = options.dup
  path  = options.delete(:script_name).to_s.chomp("/")
  path << options.delete(:path).to_s

  params = options[:params].is_a?(Hash) ? options[:params] : options.slice(:params)
  params.reject! { |_,v| v.to_param.nil? }

  result = build_host_url(options)
  if options[:trailing_slash]
    if path.include?('?')
      result << path.sub(/\?/, '/\&')
    else
      result << path.sub(/[^\/]\z|\A\z/, '\&/')
    end
  else
    result << path
  end
  result << "?#{params.to_query}" unless params.empty?
  result << "##{Journey::Router::Utils.escape_fragment(options[:anchor].to_param.to_s)}" if options[:anchor]
  result
end

Instance Method Details

#domain(tld_length = @@tld_length) ⇒ Object

Returns the domain part of a host, such as “rubyonrails.org” in “www.rubyonrails.org”. You can specify a different tld_length, such as 2 to catch rubyonrails.co.uk in “www.rubyonrails.co.uk”.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 220

def domain(tld_length = @@tld_length)
  ActionDispatch::Http::URL.extract_domain(host, tld_length)
end

#host ⇒ Object

Returns the host for this request, such as example.com.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 168

def host
  raw_host_with_port.sub(/:\d+$/, '')
end

#host_with_port ⇒ Object

Returns a host:port string for this request, such as “example.com” or “example.com:8080”.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 174

def host_with_port
  "#{host}#{port_string}"
end

#initialize(env) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 142

def initialize(env)
  super
  @protocol = nil
  @port     = nil
end

#optional_port ⇒ Object

Returns a number port suffix like 8080 if the port number of this request is not the default HTTP port 80 or HTTPS port 443.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 204

def optional_port
  standard_port? ? nil : port
end

#port ⇒ Object

Returns the port number of this request as an integer.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 179

def port
  @port ||= begin
    if raw_host_with_port =~ /:(\d+)$/
      $1.to_i
    else
      standard_port
    end
  end
end

#port_string ⇒ Object

Returns a string port suffix, including colon, like “:8080” if the port number of this request is not the default HTTP port 80 or HTTPS port 443.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 210

def port_string
  standard_port? ? '' : ":#{port}"
end

#protocol ⇒ Object

Returns ‘https://’ if this is an SSL request and ‘http://’ otherwise.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 154

def protocol
  @protocol ||= ssl? ? 'https://' : 'http://'
end

#raw_host_with_port ⇒ Object

Returns the host for this request, such as “example.com”.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 159

def raw_host_with_port
  if forwarded = env["HTTP_X_FORWARDED_HOST"]
    forwarded.split(/,\s?/).last
  else
    env['HTTP_HOST'] || "#{env['SERVER_NAME'] || env['SERVER_ADDR']}:#{env['SERVER_PORT']}"
  end
end

#server_port ⇒ Object 



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 214

def server_port
  @env['SERVER_PORT'].to_i
end

#standard_port ⇒ Object

Returns the standard port number for this request’s protocol.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 190

def standard_port
  case protocol
    when 'https://' then 443
    else 80
  end
end

#standard_port? ⇒ Boolean

Returns whether this request is using the standard port

Returns:

  • (Boolean) 


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# File 'actionpack/lib/action_dispatch/http/url.rb', line 198

def standard_port?
  port == standard_port
end

#subdomain(tld_length = @@tld_length) ⇒ Object

Returns all the subdomains as a string, so "dev.www" would be returned for “dev.www.rubyonrails.org”. You can specify a different tld_length, such as 2 to catch "www" instead of "www.rubyonrails" in “www.rubyonrails.co.uk”.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 236

def subdomain(tld_length = @@tld_length)
  ActionDispatch::Http::URL.extract_subdomain(host, tld_length)
end

#subdomains(tld_length = @@tld_length) ⇒ Object

Returns all the subdomains as an array, so ["dev", "www"] would be returned for “dev.www.rubyonrails.org”. You can specify a different tld_length, such as 2 to catch ["www"] instead of ["www", "rubyonrails"] in “www.rubyonrails.co.uk”.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 228

def subdomains(tld_length = @@tld_length)
  ActionDispatch::Http::URL.extract_subdomains(host, tld_length)
end

#url ⇒ Object

Returns the complete URL used for this request.



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# File 'actionpack/lib/action_dispatch/http/url.rb', line 149

def url
  protocol + host_with_port + fullpath
end