diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/http/url.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/http/url.rb | 274 |
1 files changed, 231 insertions, 43 deletions
diff --git a/actionpack/lib/action_dispatch/http/url.rb b/actionpack/lib/action_dispatch/http/url.rb index bced7d84c0..001b14ec97 100644 --- a/actionpack/lib/action_dispatch/http/url.rb +++ b/actionpack/lib/action_dispatch/http/url.rb @@ -1,90 +1,187 @@ +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}$/ + IP_HOST_REGEXP = /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/ + 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) + # 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" + def extract_domain(host, tld_length) + extract_domain_from(host, tld_length) if named_host?(host) end - def extract_subdomains(host, tld_length = @@tld_length) + # 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"] + def extract_subdomains(host, tld_length) if named_host?(host) - parts = host.split('.') - parts[0..-(tld_length + 2)] + extract_subdomains_from(host, tld_length) else [] end end - def extract_subdomain(host, tld_length = @@tld_length) + # 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" + def extract_subdomain(host, tld_length) extract_subdomains(host, tld_length).join('.') end - def url_for(options = {}) - path = options.delete(:script_name).to_s.chomp("/") - path << options.delete(:path).to_s + def url_for(options) + if options[:only_path] + path_for options + else + full_url_for options + end + end - params = options[:params].is_a?(Hash) ? options[:params] : options.slice(:params) - params.reject! { |_,v| v.to_param.nil? } + def full_url_for(options) + host = options[:host] + protocol = options[:protocol] + port = options[:port] - result = build_host_url(options) - result << (options[:trailing_slash] ? path.sub(/\?|\z/) { "/" + $& } : path) - result << "?#{params.to_query}" unless params.empty? - result << "##{Journey::Router::Utils.escape_fragment(options[:anchor].to_param.to_s)}" if options[:anchor] - result + 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 + + 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 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' + def add_params(path, params) + params = { params: params } unless params.is_a?(Hash) + params.reject! { |_,v| v.to_param.nil? } + path << "?#{params.to_query}" unless params.empty? + end + + def add_anchor(path, anchor) + if anchor + path << "##{Journey::Router::Utils.escape_fragment(anchor.to_param)}" + end + end + + def extract_domain_from(host, tld_length) + host.split('.').last(1 + tld_length).join('.') + end + + def extract_subdomains_from(host, tld_length) + parts = host.split('.') + parts[0..-(tld_length + 2)] + end + + def add_trailing_slash(path) + # includes querysting + if path.include?('?') + path.sub!(/\?/, '/\&') + # does not have a .format + elsif !path.include?(".") + path.sub!(/[^\/]\z|\A\z/, '\&/') + end + end + + def build_host_url(host, port, protocol, options, path) + if match = host.match(HOST_REGEXP) + protocol ||= match[1] unless protocol == false + host = match[2] + port = match[3] unless options.key? :port end - result = "" - - unless options[:only_path] - unless options[:protocol] == false - result << (options[:protocol] || "http") - result << ":" unless result.match(%r{:|//}) - end - result << "//" unless result.match("//") - result << rewrite_authentication(options) - result << host_or_subdomain_and_domain(options) - result << ":#{options.delete(:port)}" if options[:port] + protocol = normalize_protocol protocol + host = normalize_host(host, options) + + result = protocol.dup + + if options[:user] && options[:password] + result << "#{Rack::Utils.escape(options[:user])}:#{Rack::Utils.escape(options[:password])}@" end - result + + result << host + normalize_port(port, protocol) { |normalized_port| + result << ":#{normalized_port}" + } + + result.concat path end def named_host?(host) - host && IP_HOST_REGEXP !~ host + IP_HOST_REGEXP !~ host end - def rewrite_authentication(options) - if options[:user] && options[:password] - "#{Rack::Utils.escape(options[:user])}:#{Rack::Utils.escape(options[:password])}@" + def normalize_protocol(protocol) + case protocol + when nil + "http://" + when false, "//" + "//" + when PROTOCOL_REGEXP + "#{$1}://" else - "" + raise ArgumentError, "Invalid :protocol option: #{protocol.inspect}" end end - def host_or_subdomain_and_domain(options) - return options[:host] if !named_host?(options[:host]) || (options[:subdomain].nil? && options[:domain].nil?) + def normalize_host(_host, options) + return _host unless named_host?(_host) tld_length = options[:tld_length] || @@tld_length + subdomain = options.fetch :subdomain, true + domain = options[:domain] host = "" - unless options[:subdomain] == false - host << (options[:subdomain] || extract_subdomain(options[:host], tld_length)).to_param - host << "." + if subdomain == true + return _host if domain.nil? + + host << extract_subdomains_from(_host, tld_length).join('.') + elsif subdomain + host << subdomain.to_param end - host << (options[:domain] || extract_domain(options[:host], tld_length)) + host << "." unless host.empty? + host << (domain || extract_domain_from(_host, tld_length)) host end + + def normalize_port(port, protocol) + return unless port + + case protocol + when "//" then yield port + when "https://" + yield port unless port.to_i == 443 + else + yield port unless port.to_i == 80 + end + end end def initialize(env) @@ -94,16 +191,43 @@ module ActionDispatch end # Returns the complete URL used for this request. + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com' + # req.url # => "http://example.com" def url protocol + host_with_port + fullpath end # Returns 'https://' if this is an SSL request and 'http://' otherwise. + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com' + # req.protocol # => "http://" + # + # req = Request.new 'HTTP_HOST' => 'example.com', 'HTTPS' => 'on' + # req.protocol # => "https://" def protocol @protocol ||= ssl? ? 'https://' : 'http://' end # Returns the \host for this request, such as "example.com". + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com' + # req.raw_host_with_port # => "example.com" + # + # req = Request.new 'HTTP_HOST' => 'example.com:8080' + # req.raw_host_with_port # => "example.com:8080" def raw_host_with_port if forwarded = env["HTTP_X_FORWARDED_HOST"] forwarded.split(/,\s?/).last @@ -113,17 +237,44 @@ module ActionDispatch end # Returns the host for this request, such as example.com. + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com:8080' + # req.host # => "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". + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com:80' + # req.host_with_port # => "example.com" + # + # req = Request.new 'HTTP_HOST' => 'example.com:8080' + # req.host_with_port # => "example.com:8080" def host_with_port "#{host}#{port_string}" end # Returns the port number of this request as an integer. + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com' + # req.port # => 80 + # + # req = Request.new 'HTTP_HOST' => 'example.com:8080' + # req.port # => 8080 def port @port ||= begin if raw_host_with_port =~ /:(\d+)$/ @@ -135,6 +286,13 @@ module ActionDispatch end # Returns the standard \port number for this request's protocol. + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com:8080' + # req.standard_port # => 80 def standard_port case protocol when 'https://' then 443 @@ -143,18 +301,48 @@ module ActionDispatch end # Returns whether this request is using the standard port + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com:80' + # req.standard_port? # => true + # + # req = Request.new 'HTTP_HOST' => 'example.com:8080' + # req.standard_port? # => false 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. + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com:80' + # req.optional_port # => nil + # + # req = Request.new 'HTTP_HOST' => 'example.com:8080' + # req.optional_port # => 8080 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. + # + # class Request < Rack::Request + # include ActionDispatch::Http::URL + # end + # + # req = Request.new 'HTTP_HOST' => 'example.com:80' + # req.port_string # => "" + # + # req = Request.new 'HTTP_HOST' => 'example.com:8080' + # req.port_string # => ":8080" def port_string standard_port? ? '' : ":#{port}" end |