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HOST_REGEXP | = | /(^[^:]+:\/\/)?(\[[^\]]+\]|[^:]+)(?::(\d+$))?/ |
IP_HOST_REGEXP | = | /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/ |
PROTOCOL_REGEXP | = | /^([^:]+)(:)?(\/\/)?$/ |
Returns the domain part of a host given the domain level.
# Top-level domain example
extract_domain('www.example.com', 1) # => "example.com"
# Second-level domain example
extract_domain('dev.www.example.co.uk', 2) # => "example.co.uk"
Returns the subdomains of a host as a String
given the domain level.
# Top-level domain example
extract_subdomain('www.example.com', 1) # => "www"
# Second-level domain example
extract_subdomain('dev.www.example.co.uk', 2) # => "dev.www"
Returns the subdomains of a host as an Array
given the domain level.
# Top-level domain example
extract_subdomains('www.example.com', 1) # => ["www"]
# Second-level domain example
extract_subdomains('dev.www.example.co.uk', 2) # => ["dev", "www"]
# File actionpack/lib/action_dispatch/http/url.rb, line 57 def full_url_for(options) host = options[:host] protocol = options[:protocol] port = options[:port] unless host raise ArgumentError, "Missing host to link to! Please provide the :host parameter, set default_url_options[:host], or set :only_path to true" end build_host_url(host, port, protocol, options, path_for(options)) end
# File actionpack/lib/action_dispatch/http/url.rb, line 69 def path_for(options) path = options[:script_name].to_s.chomp("/") path << options[:path] if options.key?(:path) add_trailing_slash(path) if options[:trailing_slash] add_params(path, options[:params]) if options.key?(:params) add_anchor(path, options[:anchor]) if options.key?(:anchor) path end
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”.
Returns the host for this request, such as “example.com”.
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.host # => "example.com"
Returns a host:port string for this request, such as “example.com” or “example.com:8080”. Port is only included if it is not a default port (80 or 443)
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com'
req.host_with_port # => "example.com"
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:80'
req.host_with_port # => "example.com"
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.host_with_port # => "example.com:8080"
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.
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:80'
req.optional_port # => nil
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.optional_port # => 8080
Returns the port number of this request as an integer.
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com'
req.port # => 80
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.port # => 8080
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.
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:80'
req.port_string # => ""
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.port_string # => ":8080"
Returns 'https://' if this is an SSL
request and 'http://' otherwise.
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com'
req.protocol # => "http://"
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com', 'HTTPS' => 'on'
req.protocol # => "https://"
Returns the host and port for this request, such as “example.com:8080”.
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com'
req.raw_host_with_port # => "example.com"
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:80'
req.raw_host_with_port # => "example.com:80"
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.raw_host_with_port # => "example.com:8080"
Returns the requested port, such as 8080, based on SERVER_PORT
req = ActionDispatch::Request.new 'SERVER_PORT' => '80'
req.server_port # => 80
req = ActionDispatch::Request.new 'SERVER_PORT' => '8080'
req.server_port # => 8080
Returns the standard port number for this request's protocol.
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.standard_port # => 80
Returns whether this request is using the standard port
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:80'
req.standard_port? # => true
req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.standard_port? # => false
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”.
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”.