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module ActionDispatch
module Http
module URL
mattr_accessor :tld_length
# 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 scheme
ssl? ? 'https' : 'http'
end
# Returns 'https://' if this is an SSL request and 'http://' otherwise.
def protocol
@protocol ||= ssl? ? 'https://' : 'http://'
end
# Is this an SSL request?
def ssl?
@ssl ||= @env['HTTPS'] == 'on' || @env['HTTP_X_FORWARDED_PROTO'] == 'https'
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+$/, '')
end
# Returns a \host:\port string for this request, such as "example.com" or
# "example.com:8080".
def host_with_port
"#{host}#{port_string}"
end
# Returns the port number of this request as an integer.
def port
if raw_host_with_port =~ /:(\d+)$/
$1.to_i
else
standard_port
end
end
# Returns the standard \port number for this request's protocol.
def standard_port
case protocol
when 'https://' then 443
else 80
end
end
# Returns whether this request is using the standard port
def standard_port?
port == standard_port
end
# Returns a \port suffix like ":8080" if the \port number of this request
# is not the default HTTP \port 80 or HTTPS \port 443.
def port_string
port == standard_port ? '' : ":#{port}"
end
def server_port
@env['SERVER_PORT'].to_i
end
# Returns the \domain part of a \host, such as "rubyonrails.org" in "www.rubyonrails.org". You can specify
# a different <tt>tld_length</tt>, such as 2 to catch rubyonrails.co.uk in "www.rubyonrails.co.uk".
def domain(tld_length = 1)
return nil unless named_host?(host)
host.split('.').last(1 + tld_length).join('.')
end
# Returns all the \subdomains as an array, so <tt>["dev", "www"]</tt> would be
# returned for "dev.www.rubyonrails.org". You can specify a different <tt>tld_length</tt>,
# such as 2 to catch <tt>["www"]</tt> instead of <tt>["www", "rubyonrails"]</tt>
# in "www.rubyonrails.co.uk".
def subdomains(tld_length = @@tld_length)
return [] unless named_host?(host)
parts = host.split('.')
parts[0..-(tld_length+2)]
end
def subdomain(tld_length = @@tld_length)
subdomains(tld_length).join('.')
end
private
def named_host?(host)
!(host.nil? || /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.match(host))
end
end
end
end
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