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require 'active_support/core_ext/module/attribute_accessors'
require 'active_support/core_ext/hash/slice'
module ActionDispatch
module Http
module URL
IP_HOST_REGEXP = /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/
HOST_REGEXP = /(^.*:\/\/)?([^:]+)(?::(\d+$))?/
PROTOCOL_REGEXP = /^([^:]+)(:)?(\/\/)?$/
mattr_accessor :tld_length
self.tld_length = 1
class << self
def extract_domain(host, tld_length = @@tld_length)
host.split('.').last(1 + tld_length).join('.') if named_host?(host)
end
def extract_subdomains(host, tld_length = @@tld_length)
if named_host?(host)
parts = host.split('.')
parts[0..-(tld_length + 2)]
else
[]
end
end
def extract_subdomain(host, tld_length = @@tld_length)
extract_subdomains(host, tld_length).join('.')
end
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
private
def build_host_url(options)
if options[:host].blank? && options[:only_path].blank?
raise ArgumentError, 'Missing host to link to! Please provide the :host parameter, set default_url_options[:host], or set :only_path to true'
end
result = ""
unless options[:only_path]
if match = options[:host].match(HOST_REGEXP)
options[:protocol] ||= match[1] unless options[:protocol] == false
options[:host] = match[2]
options[:port] = match[3] unless options.key?(:port)
end
options[:protocol] = normalize_protocol(options)
options[:host] = normalize_host(options)
options[:port] = normalize_port(options)
result << options[:protocol]
result << rewrite_authentication(options)
result << options[:host]
result << ":#{options[:port]}" if options[:port]
end
result
end
def named_host?(host)
host && IP_HOST_REGEXP !~ host
end
def same_host?(options)
(options[:subdomain] == true || !options.key?(:subdomain)) && options[:domain].nil?
end
def rewrite_authentication(options)
if options[:user] && options[:password]
"#{Rack::Utils.escape(options[:user])}:#{Rack::Utils.escape(options[:password])}@"
else
""
end
end
def normalize_protocol(options)
case options[:protocol]
when nil
"http://"
when false, "//"
"//"
when PROTOCOL_REGEXP
"#{$1}://"
else
raise ArgumentError, "Invalid :protocol option: #{options[:protocol].inspect}"
end
end
def normalize_host(options)
return options[:host] if !named_host?(options[:host]) || same_host?(options)
tld_length = options[:tld_length] || @@tld_length
host = ""
if options[:subdomain] == true || !options.key?(:subdomain)
host << extract_subdomain(options[:host], tld_length).to_param
elsif options[:subdomain].present?
host << options[:subdomain].to_param
end
host << "." unless host.empty?
host << (options[:domain] || extract_domain(options[:host], tld_length))
host
end
def normalize_port(options)
return nil if options[:port].nil? || options[:port] == false
case options[:protocol]
when "//"
nil
when "https://"
options[:port].to_i == 443 ? nil : options[:port]
else
options[:port].to_i == 80 ? nil : options[:port]
end
end
end
def initialize(env)
super
@protocol = nil
@port = nil
end
# Returns the complete URL used for this request.
def url
protocol + host_with_port + fullpath
end
# Returns 'https://' if this is an SSL request and 'http://' otherwise.
def protocol
@protocol ||= ssl? ? 'https://' : 'http://'
end
# Returns the \host for this request, such as "example.com".
def raw_host_with_port
if forwarded = env["HTTP_X_FORWARDED_HOST"]
forwarded.split(/,\s?/).last
else
env['HTTP_HOST'] || "#{env['SERVER_NAME'] || env['SERVER_ADDR']}:#{env['SERVER_PORT']}"
end
end
# Returns the host for this request, such as example.com.
def host
raw_host_with_port.sub(/:\d+$/, '')
end
# Returns a \host:\port string for this request, such as "example.com" or
# "example.com:8080".
def host_with_port
"#{host}#{port_string}"
end
# Returns the port number of this request as an integer.
def port
@port ||= begin
if raw_host_with_port =~ /:(\d+)$/
$1.to_i
else
standard_port
end
end
end
# Returns the standard \port number for this request's protocol.
def standard_port
case protocol
when 'https://' then 443
else 80
end
end
# Returns whether this request is using the standard port
def standard_port?
port == standard_port
end
# 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.
def optional_port
standard_port? ? nil : port
end
# 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.
def port_string
standard_port? ? '' : ":#{port}"
end
def server_port
@env['SERVER_PORT'].to_i
end
# Returns the \domain part of a \host, such as "rubyonrails.org" in "www.rubyonrails.org". You can specify
# a different <tt>tld_length</tt>, such as 2 to catch rubyonrails.co.uk in "www.rubyonrails.co.uk".
def domain(tld_length = @@tld_length)
ActionDispatch::Http::URL.extract_domain(host, tld_length)
end
# Returns all the \subdomains as an array, so <tt>["dev", "www"]</tt> would be
# returned for "dev.www.rubyonrails.org". You can specify a different <tt>tld_length</tt>,
# such as 2 to catch <tt>["www"]</tt> instead of <tt>["www", "rubyonrails"]</tt>
# in "www.rubyonrails.co.uk".
def subdomains(tld_length = @@tld_length)
ActionDispatch::Http::URL.extract_subdomains(host, tld_length)
end
# Returns all the \subdomains as a string, so <tt>"dev.www"</tt> would be
# returned for "dev.www.rubyonrails.org". You can specify a different <tt>tld_length</tt>,
# such as 2 to catch <tt>"www"</tt> instead of <tt>"www.rubyonrails"</tt>
# in "www.rubyonrails.co.uk".
def subdomain(tld_length = @@tld_length)
ActionDispatch::Http::URL.extract_subdomain(host, tld_length)
end
end
end
end
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