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-rw-r--r--actionpack/lib/action_dispatch/http/request.rb61
1 files changed, 42 insertions, 19 deletions
diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index 19fa42ce12..3838b84a7a 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "stringio"
require "active_support/inflector"
@@ -20,6 +22,7 @@ module ActionDispatch
include ActionDispatch::Http::Parameters
include ActionDispatch::Http::FilterParameters
include ActionDispatch::Http::URL
+ include ActionDispatch::ContentSecurityPolicy::Request
include Rack::Request::Env
autoload :Session, "action_dispatch/request/session"
@@ -74,10 +77,13 @@ module ActionDispatch
def controller_class
params = path_parameters
+ params[:action] ||= "index"
+ controller_class_for(params[:controller])
+ end
- if params.key?(:controller)
- controller_param = params[:controller].underscore
- params[:action] ||= "index"
+ def controller_class_for(name)
+ if name
+ controller_param = name.underscore
const_name = "#{controller_param.camelize}Controller"
ActiveSupport::Dependencies.constantize(const_name)
else
@@ -93,14 +99,14 @@ module ActionDispatch
end
# List of HTTP request methods from the following RFCs:
- # Hypertext Transfer Protocol -- HTTP/1.1 (http://www.ietf.org/rfc/rfc2616.txt)
- # HTTP Extensions for Distributed Authoring -- WEBDAV (http://www.ietf.org/rfc/rfc2518.txt)
- # Versioning Extensions to WebDAV (http://www.ietf.org/rfc/rfc3253.txt)
- # Ordered Collections Protocol (WebDAV) (http://www.ietf.org/rfc/rfc3648.txt)
- # Web Distributed Authoring and Versioning (WebDAV) Access Control Protocol (http://www.ietf.org/rfc/rfc3744.txt)
- # Web Distributed Authoring and Versioning (WebDAV) SEARCH (http://www.ietf.org/rfc/rfc5323.txt)
- # Calendar Extensions to WebDAV (http://www.ietf.org/rfc/rfc4791.txt)
- # PATCH Method for HTTP (http://www.ietf.org/rfc/rfc5789.txt)
+ # Hypertext Transfer Protocol -- HTTP/1.1 (https://www.ietf.org/rfc/rfc2616.txt)
+ # HTTP Extensions for Distributed Authoring -- WEBDAV (https://www.ietf.org/rfc/rfc2518.txt)
+ # Versioning Extensions to WebDAV (https://www.ietf.org/rfc/rfc3253.txt)
+ # Ordered Collections Protocol (WebDAV) (https://www.ietf.org/rfc/rfc3648.txt)
+ # Web Distributed Authoring and Versioning (WebDAV) Access Control Protocol (https://www.ietf.org/rfc/rfc3744.txt)
+ # Web Distributed Authoring and Versioning (WebDAV) SEARCH (https://www.ietf.org/rfc/rfc5323.txt)
+ # Calendar Extensions to WebDAV (https://www.ietf.org/rfc/rfc4791.txt)
+ # PATCH Method for HTTP (https://www.ietf.org/rfc/rfc5789.txt)
RFC2616 = %w(OPTIONS GET HEAD POST PUT DELETE TRACE CONNECT)
RFC2518 = %w(PROPFIND PROPPATCH MKCOL COPY MOVE LOCK UNLOCK)
RFC3253 = %w(VERSION-CONTROL REPORT CHECKOUT CHECKIN UNCHECKOUT MKWORKSPACE UPDATE LABEL MERGE BASELINE-CONTROL MKACTIVITY)
@@ -114,7 +120,7 @@ module ActionDispatch
HTTP_METHOD_LOOKUP = {}
- # Populate the HTTP method lookup cache
+ # Populate the HTTP method lookup cache.
HTTP_METHODS.each { |method|
HTTP_METHOD_LOOKUP[method] = method.underscore.to_sym
}
@@ -165,12 +171,12 @@ module ActionDispatch
def show_exceptions? # :nodoc:
# We're treating `nil` as "unset", and we want the default setting to be
- # `true`. This logic should be extracted to `env_config` and calculated
+ # `true`. This logic should be extracted to `env_config` and calculated
# once.
!(get_header("action_dispatch.show_exceptions".freeze) == false)
end
- # Returns a symbol form of the #request_method
+ # Returns a symbol form of the #request_method.
def request_method_symbol
HTTP_METHOD_LOOKUP[request_method]
end
@@ -182,7 +188,7 @@ module ActionDispatch
@method ||= check_method(get_header("rack.methodoverride.original_method") || get_header("REQUEST_METHOD"))
end
- # Returns a symbol form of the #method
+ # Returns a symbol form of the #method.
def method_symbol
HTTP_METHOD_LOOKUP[method]
end
@@ -194,6 +200,23 @@ module ActionDispatch
@headers ||= Http::Headers.new(self)
end
+ # Early Hints is an HTTP/2 status code that indicates hints to help a client start
+ # making preparations for processing the final response.
+ #
+ # If the env contains +rack.early_hints+ then the server accepts HTTP2 push for Link headers.
+ #
+ # The +send_early_hints+ method accepts a hash of links as follows:
+ #
+ # send_early_hints("Link" => "</style.css>; rel=preload; as=style\n</script.js>; rel=preload")
+ #
+ # If you are using +javascript_include_tag+ or +stylesheet_link_tag+ the
+ # Early Hints headers are included by default if supported.
+ def send_early_hints(links)
+ return unless env["rack.early_hints"]
+
+ env["rack.early_hints"].call(links)
+ end
+
# Returns a +String+ with the last requested path including their params.
#
# # get '/foo'
@@ -267,7 +290,7 @@ module ActionDispatch
# (which sets the action_dispatch.request_id environment variable).
#
# This unique ID is useful for tracing a request from end-to-end as part of logging or debugging.
- # This relies on the rack variable set by the ActionDispatch::RequestId middleware.
+ # This relies on the Rack variable set by the ActionDispatch::RequestId middleware.
def request_id
get_header ACTION_DISPATCH_REQUEST_ID
end
@@ -298,7 +321,7 @@ module ActionDispatch
# variable is already set, wrap it in a StringIO.
def body
if raw_post = get_header("RAW_POST_DATA")
- raw_post.force_encoding(Encoding::BINARY)
+ raw_post = raw_post.dup.force_encoding(Encoding::BINARY)
StringIO.new(raw_post)
else
body_stream
@@ -339,7 +362,7 @@ module ActionDispatch
Session::Options.set self, options
end
- # Override Rack's GET method to support indifferent access
+ # Override Rack's GET method to support indifferent access.
def GET
fetch_header("action_dispatch.request.query_parameters") do |k|
rack_query_params = super || {}
@@ -352,7 +375,7 @@ module ActionDispatch
end
alias :query_parameters :GET
- # Override Rack's POST method to support indifferent access
+ # Override Rack's POST method to support indifferent access.
def POST
fetch_header("action_dispatch.request.request_parameters") do
pr = parse_formatted_parameters(params_parsers) do |params|