mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
174 lines
5.6 KiB
Ruby
174 lines
5.6 KiB
Ruby
module ActionDispatch
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module Http
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module URL
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mattr_accessor :tld_length
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self.tld_length = 1
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def self.extract_domain(host, tld_length = @@tld_length)
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return nil unless named_host?(host)
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host.split('.').last(1 + tld_length).join('.')
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end
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def self.extract_subdomains(host, tld_length = @@tld_length)
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return [] unless named_host?(host)
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parts = host.split('.')
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parts[0..-(tld_length+2)]
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end
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def self.extract_subdomain(host, tld_length = @@tld_length)
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extract_subdomains(host, tld_length).join('.')
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end
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def self.named_host?(host)
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!(host.nil? || /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.match(host))
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end
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def self.url_for(options = {})
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unless options[:host].present? || options[:only_path].present?
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raise ArgumentError, 'Missing host to link to! Please provide the :host parameter, set default_url_options[:host], or set :only_path to true'
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end
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rewritten_url = ""
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unless options[:only_path]
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rewritten_url << (options[:protocol] || "http")
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rewritten_url << "://" unless rewritten_url.match("://")
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rewritten_url << rewrite_authentication(options)
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rewritten_url << host_or_subdomain_and_domain(options)
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rewritten_url << ":#{options.delete(:port)}" if options[:port]
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end
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path = options.delete(:path) || ''
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params = options[:params] || {}
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params.reject! {|k,v| !v }
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rewritten_url << (options[:trailing_slash] ? path.sub(/\?|\z/) { "/" + $& } : path)
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rewritten_url << "?#{params.to_query}" unless params.empty?
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rewritten_url << "##{Rack::Mount::Utils.escape_uri(options[:anchor].to_param.to_s)}" if options[:anchor]
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rewritten_url
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end
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class << self
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private
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def rewrite_authentication(options)
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if options[:user] && options[:password]
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"#{Rack::Utils.escape(options[:user])}:#{Rack::Utils.escape(options[:password])}@"
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else
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""
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end
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end
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def host_or_subdomain_and_domain(options)
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return options[:host] unless options[:subdomain] || options[:domain]
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tld_length = options[:tld_length] || @@tld_length
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host = ""
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host << (options[:subdomain] || extract_subdomain(options[:host], tld_length))
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host << "."
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host << (options[:domain] || extract_domain(options[:host], tld_length))
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host
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end
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end
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# Returns the complete URL used for this request.
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def url
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protocol + host_with_port + fullpath
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end
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# Returns 'https://' if this is an SSL request and 'http://' otherwise.
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def protocol
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@protocol ||= ssl? ? 'https://' : 'http://'
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end
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# Returns the \host for this request, such as "example.com".
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def raw_host_with_port
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if forwarded = env["HTTP_X_FORWARDED_HOST"]
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forwarded.split(/,\s?/).last
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else
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env['HTTP_HOST'] || "#{env['SERVER_NAME'] || env['SERVER_ADDR']}:#{env['SERVER_PORT']}"
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end
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end
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# Returns the host for this request, such as example.com.
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def host
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raw_host_with_port.sub(/:\d+$/, '')
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end
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# Returns a \host:\port string for this request, such as "example.com" or
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# "example.com:8080".
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def host_with_port
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"#{host}#{port_string}"
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end
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# Returns the port number of this request as an integer.
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def port
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@port ||= begin
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if raw_host_with_port =~ /:(\d+)$/
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$1.to_i
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else
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standard_port
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end
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end
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end
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# Returns the standard \port number for this request's protocol.
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def standard_port
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case protocol
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when 'https://' then 443
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else 80
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end
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end
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# Returns whether this request is using the standard port
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def standard_port?
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port == standard_port
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end
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# Returns a number \port suffix like 8080 if the \port number of this request
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# is not the default HTTP \port 80 or HTTPS \port 443.
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def optional_port
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standard_port? ? nil : port
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end
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# Returns a string \port suffix, including colon, like ":8080" if the \port
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# number of this request is not the default HTTP \port 80 or HTTPS \port 443.
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def port_string
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standard_port? ? '' : ":#{port}"
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end
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def server_port
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@env['SERVER_PORT'].to_i
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end
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# Returns the \domain part of a \host, such as "rubyonrails.org" in "www.rubyonrails.org". You can specify
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# a different <tt>tld_length</tt>, such as 2 to catch rubyonrails.co.uk in "www.rubyonrails.co.uk".
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def domain(tld_length = @@tld_length)
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ActionDispatch::Http::URL.extract_domain(host, tld_length)
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end
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# Returns all the \subdomains as an array, so <tt>["dev", "www"]</tt> would be
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# returned for "dev.www.rubyonrails.org". You can specify a different <tt>tld_length</tt>,
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# such as 2 to catch <tt>["www"]</tt> instead of <tt>["www", "rubyonrails"]</tt>
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# in "www.rubyonrails.co.uk".
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def subdomains(tld_length = @@tld_length)
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ActionDispatch::Http::URL.extract_subdomains(host, tld_length)
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end
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# Returns all the \subdomains as a string, so <tt>"dev.www"</tt> would be
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# returned for "dev.www.rubyonrails.org". You can specify a different <tt>tld_length</tt>,
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# such as 2 to catch <tt>["www"]</tt> instead of <tt>"www.rubyonrails"</tt>
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# in "www.rubyonrails.co.uk".
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def subdomain(tld_length = @@tld_length)
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subdomains(tld_length)
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end
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end
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end
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end
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