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-rw-r--r--actionpack/lib/action_dispatch/http/url.rb176
1 files changed, 147 insertions, 29 deletions
diff --git a/actionpack/lib/action_dispatch/http/url.rb b/actionpack/lib/action_dispatch/http/url.rb
index a5858758c6..001b14ec97 100644
--- a/actionpack/lib/action_dispatch/http/url.rb
+++ b/actionpack/lib/action_dispatch/http/url.rb
@@ -12,10 +12,22 @@ module ActionDispatch
self.tld_length = 1
class << self
+ # 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
+ # 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)
extract_subdomains_from(host, tld_length)
@@ -24,41 +36,61 @@ module ActionDispatch
end
end
+ # 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)
- unless options[:host] || options[:only_path]
+ if options[:only_path]
+ path_for options
+ else
+ full_url_for options
+ end
+ end
+
+ 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
+
+ def path_for(options)
path = options[:script_name].to_s.chomp("/")
- path << options[:path].to_s
+ 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)
- result = path
+ path
+ end
- unless options[:only_path]
- result.prepend build_host_url(options)
- end
+ private
- if options.key? :params
- params = options[:params].is_a?(Hash) ?
- options[:params] :
- { params: options[:params] }
+ 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
- params.reject! { |_,v| v.to_param.nil? }
- result << "?#{params.to_query}" unless params.empty?
+ def add_anchor(path, anchor)
+ if anchor
+ path << "##{Journey::Router::Utils.escape_fragment(anchor.to_param)}"
end
-
- result << "##{Journey::Router::Utils.escape_fragment(options[:anchor].to_param.to_s)}" if options[:anchor]
- result
end
- private
-
def extract_domain_from(host, tld_length)
host.split('.').last(1 + tld_length).join('.')
end
@@ -76,22 +108,17 @@ module ActionDispatch
elsif !path.include?(".")
path.sub!(/[^\/]\z|\A\z/, '\&/')
end
-
- path
end
- def build_host_url(options)
- protocol = options[:protocol]
- host = options[:host]
- port = options[:port]
+ 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
+ protocol ||= match[1] unless protocol == false
+ host = match[2]
+ port = match[3] unless options.key? :port
end
- protocol = normalize_protocol protocol
- host = normalize_host(host, options)
+ protocol = normalize_protocol protocol
+ host = normalize_host(host, options)
result = protocol.dup
@@ -104,7 +131,7 @@ module ActionDispatch
result << ":#{normalized_port}"
}
- result
+ result.concat path
end
def named_host?(host)
@@ -164,16 +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
@@ -183,17 +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+$/, '')
end
# Returns a \host:\port string for this request, such as "example.com" or
# "example.com:8080".
+ #
+ # class Request < Rack::Request
+ # include ActionDispatch::Http::URL
+ # end
+ #
+ # req = Request.new 'HTTP_HOST' => 'example.com:80'
+ # req.host_with_port # => "example.com"
+ #
+ # req = Request.new 'HTTP_HOST' => 'example.com:8080'
+ # req.host_with_port # => "example.com:8080"
def host_with_port
"#{host}#{port_string}"
end
# Returns the port number of this request as an integer.
+ #
+ # class Request < Rack::Request
+ # include ActionDispatch::Http::URL
+ # end
+ #
+ # req = Request.new 'HTTP_HOST' => 'example.com'
+ # req.port # => 80
+ #
+ # req = Request.new 'HTTP_HOST' => 'example.com:8080'
+ # req.port # => 8080
def port
@port ||= begin
if raw_host_with_port =~ /:(\d+)$/
@@ -205,6 +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
@@ -213,18 +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