+++ /dev/null
-require 'rack/utils'
-
-module Rack
- # Rack::Request provides a convenient interface to a Rack
- # environment. It is stateless, the environment +env+ passed to the
- # constructor will be directly modified.
- #
- # req = Rack::Request.new(env)
- # req.post?
- # req.params["data"]
- #
- # The environment hash passed will store a reference to the Request object
- # instantiated so that it will only instantiate if an instance of the Request
- # object doesn't already exist.
-
- class Request
- # The environment of the request.
- attr_reader :env
-
- def self.new(env)
- if self == Rack::Request
- env["rack.request"] ||= super
- else
- super
- end
- end
-
- def initialize(env)
- @env = env
- end
-
- def body; @env["rack.input"] end
- def scheme; @env["rack.url_scheme"] end
- def script_name; @env["SCRIPT_NAME"].to_s end
- def path_info; @env["PATH_INFO"].to_s end
- def port; @env["SERVER_PORT"].to_i end
- def request_method; @env["REQUEST_METHOD"] end
- def query_string; @env["QUERY_STRING"].to_s end
- def content_length; @env['CONTENT_LENGTH'] end
- def content_type; @env['CONTENT_TYPE'] end
-
- # The media type (type/subtype) portion of the CONTENT_TYPE header
- # without any media type parameters. e.g., when CONTENT_TYPE is
- # "text/plain;charset=utf-8", the media-type is "text/plain".
- #
- # For more information on the use of media types in HTTP, see:
- # http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7
- def media_type
- content_type && content_type.split(/\s*[;,]\s*/, 2)[0].downcase
- end
-
- # The media type parameters provided in CONTENT_TYPE as a Hash, or
- # an empty Hash if no CONTENT_TYPE or media-type parameters were
- # provided. e.g., when the CONTENT_TYPE is "text/plain;charset=utf-8",
- # this method responds with the following Hash:
- # { 'charset' => 'utf-8' }
- def media_type_params
- return {} if content_type.nil?
- content_type.split(/\s*[;,]\s*/)[1..-1].
- collect { |s| s.split('=', 2) }.
- inject({}) { |hash,(k,v)| hash[k.downcase] = v ; hash }
- end
-
- # The character set of the request body if a "charset" media type
- # parameter was given, or nil if no "charset" was specified. Note
- # that, per RFC2616, text/* media types that specify no explicit
- # charset are to be considered ISO-8859-1.
- def content_charset
- media_type_params['charset']
- end
-
- def host
- # Remove port number.
- (@env["HTTP_HOST"] || @env["SERVER_NAME"]).gsub(/:\d+\z/, '')
- end
-
- def script_name=(s); @env["SCRIPT_NAME"] = s.to_s end
- def path_info=(s); @env["PATH_INFO"] = s.to_s end
-
- def get?; request_method == "GET" end
- def post?; request_method == "POST" end
- def put?; request_method == "PUT" end
- def delete?; request_method == "DELETE" end
- def head?; request_method == "HEAD" end
-
- # The set of form-data media-types. Requests that do not indicate
- # one of the media types presents in this list will not be eligible
- # for form-data / param parsing.
- FORM_DATA_MEDIA_TYPES = [
- nil,
- 'application/x-www-form-urlencoded',
- 'multipart/form-data'
- ]
-
- # Determine whether the request body contains form-data by checking
- # the request media_type against registered form-data media-types:
- # "application/x-www-form-urlencoded" and "multipart/form-data". The
- # list of form-data media types can be modified through the
- # +FORM_DATA_MEDIA_TYPES+ array.
- def form_data?
- FORM_DATA_MEDIA_TYPES.include?(media_type)
- end
-
- # Returns the data recieved in the query string.
- def GET
- if @env["rack.request.query_string"] == query_string
- @env["rack.request.query_hash"]
- else
- @env["rack.request.query_string"] = query_string
- @env["rack.request.query_hash"] =
- Utils.parse_nested_query(query_string)
- end
- end
-
- # Returns the data recieved in the request body.
- #
- # This method support both application/x-www-form-urlencoded and
- # multipart/form-data.
- def POST
- if @env["rack.request.form_input"].eql? @env["rack.input"]
- @env["rack.request.form_hash"]
- elsif form_data?
- @env["rack.request.form_input"] = @env["rack.input"]
- unless @env["rack.request.form_hash"] =
- Utils::Multipart.parse_multipart(env)
- form_vars = @env["rack.input"].read
-
- # Fix for Safari Ajax postings that always append \0
- form_vars.sub!(/\0\z/, '')
-
- @env["rack.request.form_vars"] = form_vars
- @env["rack.request.form_hash"] = Utils.parse_nested_query(form_vars)
-
- begin
- @env["rack.input"].rewind if @env["rack.input"].respond_to?(:rewind)
- rescue Errno::ESPIPE
- # Handles exceptions raised by input streams that cannot be rewound
- # such as when using plain CGI under Apache
- end
- end
- @env["rack.request.form_hash"]
- else
- {}
- end
- end
-
- # The union of GET and POST data.
- def params
- self.put? ? self.GET : self.GET.update(self.POST)
- rescue EOFError => e
- self.GET
- end
-
- # shortcut for request.params[key]
- def [](key)
- params[key.to_s]
- end
-
- # shortcut for request.params[key] = value
- def []=(key, value)
- params[key.to_s] = value
- end
-
- # like Hash#values_at
- def values_at(*keys)
- keys.map{|key| params[key] }
- end
-
- # the referer of the client or '/'
- def referer
- @env['HTTP_REFERER'] || '/'
- end
- alias referrer referer
-
-
- def cookies
- return {} unless @env["HTTP_COOKIE"]
-
- if @env["rack.request.cookie_string"] == @env["HTTP_COOKIE"]
- @env["rack.request.cookie_hash"]
- else
- @env["rack.request.cookie_string"] = @env["HTTP_COOKIE"]
- # According to RFC 2109:
- # If multiple cookies satisfy the criteria above, they are ordered in
- # the Cookie header such that those with more specific Path attributes
- # precede those with less specific. Ordering with respect to other
- # attributes (e.g., Domain) is unspecified.
- @env["rack.request.cookie_hash"] =
- Utils.parse_query(@env["rack.request.cookie_string"], ';,').inject({}) {|h,(k,v)|
- h[k] = Array === v ? v.first : v
- h
- }
- end
- end
-
- def xhr?
- @env["HTTP_X_REQUESTED_WITH"] == "XMLHttpRequest"
- end
-
- # Tries to return a remake of the original request URL as a string.
- def url
- url = scheme + "://"
- url << host
-
- if scheme == "https" && port != 443 ||
- scheme == "http" && port != 80
- url << ":#{port}"
- end
-
- url << fullpath
-
- url
- end
-
- def fullpath
- path = script_name + path_info
- path << "?" << query_string unless query_string.empty?
- path
- end
-
- def accept_encoding
- @env["HTTP_ACCEPT_ENCODING"].to_s.split(/,\s*/).map do |part|
- m = /^([^\s,]+?)(?:;\s*q=(\d+(?:\.\d+)?))?$/.match(part) # From WEBrick
-
- if m
- [m[1], (m[2] || 1.0).to_f]
- else
- raise "Invalid value for Accept-Encoding: #{part.inspect}"
- end
- end
- end
-
- def ip
- if addr = @env['HTTP_X_FORWARDED_FOR']
- addr.split(',').last.strip
- else
- @env['REMOTE_ADDR']
- end
- end
- end
-end
projects / feedcatcher.git / blobdiff