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# = uri/generic.rb # # Author:: Akira Yamada <akira@ruby-lang.org> # License:: You can redistribute it and/or modify it under the same term as Ruby. # Revision:: $Id: generic.rb 56307 2016-09-30 15:57:06Z usa $ # # See URI for general documentation # require 'uri/common' module URI # # Base class for all URI classes. # Implements generic URI syntax as per RFC 2396. # class Generic include URI # # A Default port of nil for URI::Generic # DEFAULT_PORT = nil # # Returns default port # def self.default_port self::DEFAULT_PORT end # # Returns default port # def default_port self.class.default_port end # # An Array of the available components for URI::Generic # COMPONENT = [ :scheme, :userinfo, :host, :port, :registry, :path, :opaque, :query, :fragment ].freeze # # Components of the URI in the order. # def self.component self::COMPONENT end USE_REGISTRY = false # :nodoc: def self.use_registry # :nodoc: self::USE_REGISTRY end # # == Synopsis # # See #new # # == Description # # At first, tries to create a new URI::Generic instance using # URI::Generic::build. But, if exception URI::InvalidComponentError is raised, # then it URI::Escape.escape all URI components and tries again. # # def self.build2(args) begin return self.build(args) rescue InvalidComponentError if args.kind_of?(Array) return self.build(args.collect{|x| if x.is_a?(String) DEFAULT_PARSER.escape(x) else x end }) elsif args.kind_of?(Hash) tmp = {} args.each do |key, value| tmp[key] = if value DEFAULT_PARSER.escape(value) else value end end return self.build(tmp) end end end # # == Synopsis # # See #new # # == Description # # Creates a new URI::Generic instance from components of URI::Generic # with check. Components are: scheme, userinfo, host, port, registry, path, # opaque, query and fragment. You can provide arguments either by an Array or a Hash. # See #new for hash keys to use or for order of array items. # def self.build(args) if args.kind_of?(Array) && args.size == ::URI::Generic::COMPONENT.size tmp = args.dup elsif args.kind_of?(Hash) tmp = ::URI::Generic::COMPONENT.collect do |c| if args.include?(c) args[c] else nil end end else component = self.class.component rescue ::URI::Generic::COMPONENT raise ArgumentError, "expected Array of or Hash of components of #{self.class} (#{component.join(', ')})" end tmp << nil tmp << true return self.new(*tmp) end # # == Args # # +scheme+:: # Protocol scheme, i.e. 'http','ftp','mailto' and so on. # +userinfo+:: # User name and password, i.e. 'sdmitry:bla' # +host+:: # Server host name # +port+:: # Server port # +registry+:: # Registry of naming authorities. # +path+:: # Path on server # +opaque+:: # Opaque part # +query+:: # Query data # +fragment+:: # A part of URI after '#' sign # +parser+:: # Parser for internal use [URI::DEFAULT_PARSER by default] # +arg_check+:: # Check arguments [false by default] # # == Description # # Creates a new URI::Generic instance from ``generic'' components without check. # def initialize(scheme, userinfo, host, port, registry, path, opaque, query, fragment, parser = DEFAULT_PARSER, arg_check = false) @scheme = nil @user = nil @password = nil @host = nil @port = nil @path = nil @query = nil @opaque = nil @fragment = nil @parser = parser == DEFAULT_PARSER ? nil : parser if arg_check self.scheme = scheme self.userinfo = userinfo self.hostname = host self.port = port self.path = path self.query = query self.opaque = opaque self.fragment = fragment else self.set_scheme(scheme) self.set_userinfo(userinfo) self.set_host(host) self.set_port(port) self.set_path(path) self.query = query self.set_opaque(opaque) self.fragment=(fragment) end if registry raise InvalidURIError, "the scheme #{@scheme} does not accept registry part: #{registry} (or bad hostname?)" end @scheme.freeze if @scheme self.set_path('') if !@path && !@opaque # (see RFC2396 Section 5.2) self.set_port(self.default_port) if self.default_port && !@port end # # returns the scheme component of the URI. # # URI("http://foo/bar/baz").scheme #=> "http" # attr_reader :scheme # returns the host component of the URI. # # URI("http://foo/bar/baz").host #=> "foo" # # It returns nil if no host component. # # URI("mailto:foo@example.org").host #=> nil # # The component doesn't contains the port number. # # URI("http://foo:8080/bar/baz").host #=> "foo" # # Since IPv6 addresses are wrapped by brackets in URIs, # this method returns IPv6 addresses wrapped by brackets. # This form is not appropriate to pass socket methods such as TCPSocket.open. # If unwrapped host names are required, use "hostname" method. # # URI("http://[::1]/bar/baz").host #=> "[::1]" # URI("http://[::1]/bar/baz").hostname #=> "::1" # attr_reader :host # returns the port component of the URI. # # URI("http://foo/bar/baz").port #=> "80" # # URI("http://foo:8080/bar/baz").port #=> "8080" # attr_reader :port def registry # :nodoc: nil end # returns the path component of the URI. # # URI("http://foo/bar/baz").path #=> "/bar/baz" # attr_reader :path # returns the query component of the URI. # # URI("http://foo/bar/baz?search=FooBar").query #=> "search=FooBar" # attr_reader :query # returns the opaque part of the URI. # # URI("mailto:foo@example.org").opaque #=> "foo@example.org" # # Portion of the path that does make use of the slash '/'. # The path typically refers to the absolute path and the opaque part. # (see RFC2396 Section 3 and 5.2) # attr_reader :opaque # returns the fragment component of the URI. # # URI("http://foo/bar/baz?search=FooBar#ponies").fragment #=> "ponies" # attr_reader :fragment # returns the parser to be used. # # Unless a URI::Parser is defined, then DEFAULT_PARSER is used. # def parser if !defined?(@parser) || !@parser DEFAULT_PARSER else @parser || DEFAULT_PARSER end end # replace self by other URI object def replace!(oth) if self.class != oth.class raise ArgumentError, "expected #{self.class} object" end component.each do |c| self.__send__("#{c}=", oth.__send__(c)) end end private :replace! # # Components of the URI in the order. # def component self.class.component end # # check the scheme +v+ component against the URI::Parser Regexp for :SCHEME # def check_scheme(v) if v && parser.regexp[:SCHEME] !~ v raise InvalidComponentError, "bad component(expected scheme component): #{v}" end return true end private :check_scheme # protected setter for the scheme component +v+ # # see also URI::Generic.scheme= # def set_scheme(v) @scheme = v ? v.downcase : v end protected :set_scheme # # == Args # # +v+:: # String # # == Description # # public setter for the scheme component +v+. # (with validation) # # see also URI::Generic.check_scheme # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com") # uri.scheme = "https" # # => "https" # uri # #=> #<URI::HTTP:0x000000008e89e8 URL:https://my.example.com> # def scheme=(v) check_scheme(v) set_scheme(v) v end # # check the +user+ and +password+. # # If +password+ is not provided, then +user+ is # split, using URI::Generic.split_userinfo, to # pull +user+ and +password. # # see also URI::Generic.check_user, URI::Generic.check_password # def check_userinfo(user, password = nil) if !password user, password = split_userinfo(user) end check_user(user) check_password(password, user) return true end private :check_userinfo # # check the user +v+ component for RFC2396 compliance # and against the URI::Parser Regexp for :USERINFO # # Can not have a registry or opaque component defined, # with a user component defined. # def check_user(v) if @opaque raise InvalidURIError, "can not set user with opaque" end return v unless v if parser.regexp[:USERINFO] !~ v raise InvalidComponentError, "bad component(expected userinfo component or user component): #{v}" end return true end private :check_user # # check the password +v+ component for RFC2396 compliance # and against the URI::Parser Regexp for :USERINFO # # Can not have a registry or opaque component defined, # with a user component defined. # def check_password(v, user = @user) if @opaque raise InvalidURIError, "can not set password with opaque" end return v unless v if !user raise InvalidURIError, "password component depends user component" end if parser.regexp[:USERINFO] !~ v raise InvalidComponentError, "bad password component" end return true end private :check_password # # Sets userinfo, argument is string like 'name:pass' # def userinfo=(userinfo) if userinfo.nil? return nil end check_userinfo(*userinfo) set_userinfo(*userinfo) # returns userinfo end # # == Args # # +v+:: # String # # == Description # # public setter for the +user+ component. # (with validation) # # see also URI::Generic.check_user # # == Usage # # require 'uri' # # uri = URI.parse("http://john:S3nsit1ve@my.example.com") # uri.user = "sam" # # => "sam" # uri # #=> #<URI::HTTP:0x00000000881d90 URL:http://sam:V3ry_S3nsit1ve@my.example.com> # def user=(user) check_user(user) set_user(user) # returns user end # # == Args # # +v+:: # String # # == Description # # public setter for the +password+ component. # (with validation) # # see also URI::Generic.check_password # # == Usage # # require 'uri' # # uri = URI.parse("http://john:S3nsit1ve@my.example.com") # uri.password = "V3ry_S3nsit1ve" # # => "V3ry_S3nsit1ve" # uri # #=> #<URI::HTTP:0x00000000881d90 URL:http://john:V3ry_S3nsit1ve@my.example.com> # def password=(password) check_password(password) set_password(password) # returns password end # protect setter for the +user+ component, and +password+ if available. # (with validation) # # see also URI::Generic.userinfo= # def set_userinfo(user, password = nil) unless password user, password = split_userinfo(user) end @user = user @password = password if password [@user, @password] end protected :set_userinfo # protected setter for the user component +v+ # # see also URI::Generic.user= # def set_user(v) set_userinfo(v, @password) v end protected :set_user # protected setter for the password component +v+ # # see also URI::Generic.password= # def set_password(v) @password = v # returns v end protected :set_password # returns the userinfo +ui+ as user, password # if properly formatted as 'user:password' def split_userinfo(ui) return nil, nil unless ui user, password = ui.split(':'.freeze, 2) return user, password end private :split_userinfo # escapes 'user:password' +v+ based on RFC 1738 section 3.1 def escape_userpass(v) parser.escape(v, /[@:\/]/o) # RFC 1738 section 3.1 #/ end private :escape_userpass # returns the userinfo, either as 'user' or 'user:password' def userinfo if @user.nil? nil elsif @password.nil? @user else @user + ':' + @password end end # returns the user component def user @user end # returns the password component def password @password end # # check the host +v+ component for RFC2396 compliance # and against the URI::Parser Regexp for :HOST # # Can not have a registry or opaque component defined, # with a host component defined. # def check_host(v) return v unless v if @opaque raise InvalidURIError, "can not set host with registry or opaque" elsif parser.regexp[:HOST] !~ v raise InvalidComponentError, "bad component(expected host component): #{v}" end return true end private :check_host # protected setter for the host component +v+ # # see also URI::Generic.host= # def set_host(v) @host = v end protected :set_host # # == Args # # +v+:: # String # # == Description # # public setter for the host component +v+. # (with validation) # # see also URI::Generic.check_host # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com") # uri.host = "foo.com" # # => "foo.com" # uri # #=> #<URI::HTTP:0x000000008e89e8 URL:http://foo.com> # def host=(v) check_host(v) set_host(v) v end # extract the host part of the URI and unwrap brackets for IPv6 addresses. # # This method is same as URI::Generic#host except # brackets for IPv6 (and future IP) addresses are removed. # # u = URI("http://[::1]/bar") # p u.hostname #=> "::1" # p u.host #=> "[::1]" # def hostname v = self.host /\A\[(.*)\]\z/ =~ v ? $1 : v end # set the host part of the URI as the argument with brackets for IPv6 addresses. # # This method is same as URI::Generic#host= except # the argument can be bare IPv6 address. # # u = URI("http://foo/bar") # p u.to_s #=> "http://foo/bar" # u.hostname = "::1" # p u.to_s #=> "http://[::1]/bar" # # If the argument seems IPv6 address, # it is wrapped by brackets. # def hostname=(v) v = "[#{v}]" if /\A\[.*\]\z/ !~ v && /:/ =~ v self.host = v end # # check the port +v+ component for RFC2396 compliance # and against the URI::Parser Regexp for :PORT # # Can not have a registry or opaque component defined, # with a port component defined. # def check_port(v) return v unless v if @opaque raise InvalidURIError, "can not set port with registry or opaque" elsif !v.kind_of?(Fixnum) && parser.regexp[:PORT] !~ v raise InvalidComponentError, "bad component(expected port component): #{v.inspect}" end return true end private :check_port # protected setter for the port component +v+ # # see also URI::Generic.port= # def set_port(v) v = v.empty? ? nil : v.to_i unless !v || v.kind_of?(Fixnum) @port = v end protected :set_port # # == Args # # +v+:: # String # # == Description # # public setter for the port component +v+. # (with validation) # # see also URI::Generic.check_port # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com") # uri.port = 8080 # # => 8080 # uri # #=> #<URI::HTTP:0x000000008e89e8 URL:http://my.example.com:8080> # def port=(v) check_port(v) set_port(v) port end def check_registry(v) # :nodoc: raise InvalidURIError, "can not set registry" end private :check_registry def set_registry(v) #:nodoc: raise InvalidURIError, "can not set registry" end protected :set_registry def registry=(v) raise InvalidURIError, "can not set registry" end # # check the path +v+ component for RFC2396 compliance # and against the URI::Parser Regexp # for :ABS_PATH and :REL_PATH # # Can not have a opaque component defined, # with a path component defined. # def check_path(v) # raise if both hier and opaque are not nil, because: # absoluteURI = scheme ":" ( hier_part | opaque_part ) # hier_part = ( net_path | abs_path ) [ "?" query ] if v && @opaque raise InvalidURIError, "path conflicts with opaque" end # If scheme is ftp, path may be relative. # See RFC 1738 section 3.2.2, and RFC 2396. if @scheme && @scheme != "ftp".freeze if v && v != ''.freeze && parser.regexp[:ABS_PATH] !~ v raise InvalidComponentError, "bad component(expected absolute path component): #{v}" end else if v && v != ''.freeze && parser.regexp[:ABS_PATH] !~ v && parser.regexp[:REL_PATH] !~ v raise InvalidComponentError, "bad component(expected relative path component): #{v}" end end return true end private :check_path # protected setter for the path component +v+ # # see also URI::Generic.path= # def set_path(v) @path = v end protected :set_path # # == Args # # +v+:: # String # # == Description # # public setter for the path component +v+. # (with validation) # # see also URI::Generic.check_path # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com/pub/files") # uri.path = "/faq/" # # => "/faq/" # uri # #=> #<URI::HTTP:0x000000008e89e8 URL:http://my.example.com/faq/> # def path=(v) check_path(v) set_path(v) v end # # == Args # # +v+:: # String # # == Description # # public setter for the query component +v+. # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com/?id=25") # uri.query = "id=1" # # => "id=1" # uri # #=> #<URI::HTTP:0x000000008e89e8 URL:http://my.example.com/?id=1> # def query=(v) return @query = nil unless v raise InvalidURIError, "query conflicts with opaque" if @opaque x = v.to_str v = x.dup if x.equal? v v.encode!(Encoding::UTF_8) rescue nil v.delete!("\t\r\n".freeze) v.force_encoding(Encoding::ASCII_8BIT) v.gsub!(/(?!%\h\h|[!$-&(-;=?-_a-~])./n.freeze){'%%%02X'.freeze % $&.ord} v.force_encoding(Encoding::US_ASCII) @query = v end # # check the opaque +v+ component for RFC2396 compliance and # against the URI::Parser Regexp for :OPAQUE # # Can not have a host, port, user or path component defined, # with an opaque component defined. # def check_opaque(v) return v unless v # raise if both hier and opaque are not nil, because: # absoluteURI = scheme ":" ( hier_part | opaque_part ) # hier_part = ( net_path | abs_path ) [ "?" query ] if @host || @port || @user || @path # userinfo = @user + ':' + @password raise InvalidURIError, "can not set opaque with host, port, userinfo or path" elsif v && parser.regexp[:OPAQUE] !~ v raise InvalidComponentError, "bad component(expected opaque component): #{v}" end return true end private :check_opaque # protected setter for the opaque component +v+ # # see also URI::Generic.opaque= # def set_opaque(v) @opaque = v end protected :set_opaque # # == Args # # +v+:: # String # # == Description # # public setter for the opaque component +v+. # (with validation) # # see also URI::Generic.check_opaque # def opaque=(v) check_opaque(v) set_opaque(v) v end # # check the fragment +v+ component against the URI::Parser Regexp for :FRAGMENT # # # == Args # # +v+:: # String # # == Description # # public setter for the fragment component +v+. # (with validation) # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com/?id=25#time=1305212049") # uri.fragment = "time=1305212086" # # => "time=1305212086" # uri # #=> #<URI::HTTP:0x000000007a81f8 URL:http://my.example.com/?id=25#time=1305212086> # def fragment=(v) return @fragment = nil unless v x = v.to_str v = x.dup if x.equal? v v.encode!(Encoding::UTF_8) rescue nil v.delete!("\t\r\n".freeze) v.force_encoding(Encoding::ASCII_8BIT) v.gsub!(/(?!%\h\h|[!-~])./n){'%%%02X'.freeze % $&.ord} v.force_encoding(Encoding::US_ASCII) @fragment = v end # # Checks if URI has a path # def hierarchical? if @path true else false end end # # Checks if URI is an absolute one # def absolute? if @scheme true else false end end alias absolute absolute? # # Checks if URI is relative # def relative? !absolute? end # # returns an Array of the path split on '/' # def split_path(path) path.split(%r{/+}, -1) end private :split_path # # Merges a base path +base+, with relative path +rel+, # returns a modified base path. # def merge_path(base, rel) # RFC2396, Section 5.2, 5) # RFC2396, Section 5.2, 6) base_path = split_path(base) rel_path = split_path(rel) # RFC2396, Section 5.2, 6), a) base_path << '' if base_path.last == '..' while i = base_path.index('..') base_path.slice!(i - 1, 2) end if (first = rel_path.first) and first.empty? base_path.clear rel_path.shift end # RFC2396, Section 5.2, 6), c) # RFC2396, Section 5.2, 6), d) rel_path.push('') if rel_path.last == '.' || rel_path.last == '..' rel_path.delete('.') # RFC2396, Section 5.2, 6), e) tmp = [] rel_path.each do |x| if x == '..' && !(tmp.empty? || tmp.last == '..') tmp.pop else tmp << x end end add_trailer_slash = !tmp.empty? if base_path.empty? base_path = [''] # keep '/' for root directory elsif add_trailer_slash base_path.pop end while x = tmp.shift if x == '..' # RFC2396, Section 4 # a .. or . in an absolute path has no special meaning base_path.pop if base_path.size > 1 else # if x == '..' # valid absolute (but abnormal) path "/../..." # else # valid absolute path # end base_path << x tmp.each {|t| base_path << t} add_trailer_slash = false break end end base_path.push('') if add_trailer_slash return base_path.join('/') end private :merge_path # # == Args # # +oth+:: # URI or String # # == Description # # Destructive form of #merge # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com") # uri.merge!("/main.rbx?page=1") # p uri # # => #<URI::HTTP:0x2021f3b0 URL:http://my.example.com/main.rbx?page=1> # def merge!(oth) t = merge(oth) if self == t nil else replace!(t) self end end # # == Args # # +oth+:: # URI or String # # == Description # # Merges two URI's. # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com") # p uri.merge("/main.rbx?page=1") # # => #<URI::HTTP:0x2021f3b0 URL:http://my.example.com/main.rbx?page=1> # def merge(oth) begin base, rel = merge0(oth) rescue raise $!.class, $!.message end if base == rel return base end authority = rel.userinfo || rel.host || rel.port # RFC2396, Section 5.2, 2) if (rel.path.nil? || rel.path.empty?) && !authority && !rel.query base.fragment=(rel.fragment) if rel.fragment return base end base.query = nil base.fragment=(nil) # RFC2396, Section 5.2, 4) if !authority base.set_path(merge_path(base.path, rel.path)) if base.path && rel.path else # RFC2396, Section 5.2, 4) base.set_path(rel.path) if rel.path end # RFC2396, Section 5.2, 7) base.set_userinfo(rel.userinfo) if rel.userinfo base.set_host(rel.host) if rel.host base.set_port(rel.port) if rel.port base.query = rel.query if rel.query base.fragment=(rel.fragment) if rel.fragment return base end # merge alias + merge # return base and rel. # you can modify `base', but can not `rel'. def merge0(oth) oth = parser.send(:convert_to_uri, oth) if self.relative? && oth.relative? raise BadURIError, "both URI are relative" end if self.absolute? && oth.absolute? #raise BadURIError, # "both URI are absolute" # hmm... should return oth for usability? return oth, oth end if self.absolute? return self.dup, oth else return oth, oth end end private :merge0 # :stopdoc: def route_from_path(src, dst) case dst when src # RFC2396, Section 4.2 return '' when %r{(?:\A|/)\.\.?(?:/|\z)} # dst has abnormal absolute path, # like "/./", "/../", "/x/../", ... return dst.dup end src_path = src.scan(%r{(?:\A|[^/]+)/}) dst_path = dst.scan(%r{(?:\A|[^/]+)/?}) # discard same parts while !dst_path.empty? && dst_path.first == src_path.first src_path.shift dst_path.shift end tmp = dst_path.join # calculate if src_path.empty? if tmp.empty? return './' elsif dst_path.first.include?(':') # (see RFC2396 Section 5) return './' + tmp else return tmp end end return '../' * src_path.size + tmp end private :route_from_path # :startdoc: # :stopdoc: def route_from0(oth) oth = parser.send(:convert_to_uri, oth) if self.relative? raise BadURIError, "relative URI: #{self}" end if oth.relative? raise BadURIError, "relative URI: #{oth}" end if self.scheme != oth.scheme return self, self.dup end rel = URI::Generic.new(nil, # it is relative URI self.userinfo, self.host, self.port, nil, self.path, self.opaque, self.query, self.fragment, parser) if rel.userinfo != oth.userinfo || rel.host.to_s.downcase != oth.host.to_s.downcase || rel.port != oth.port if self.userinfo.nil? && self.host.nil? return self, self.dup end rel.set_port(nil) if rel.port == oth.default_port return rel, rel end rel.set_userinfo(nil) rel.set_host(nil) rel.set_port(nil) if rel.path && rel.path == oth.path rel.set_path('') rel.query = nil if rel.query == oth.query return rel, rel elsif rel.opaque && rel.opaque == oth.opaque rel.set_opaque('') rel.query = nil if rel.query == oth.query return rel, rel end # you can modify `rel', but can not `oth'. return oth, rel end private :route_from0 # :startdoc: # # == Args # # +oth+:: # URI or String # # == Description # # Calculates relative path from oth to self # # == Usage # # require 'uri' # # uri = URI.parse('http://my.example.com/main.rbx?page=1') # p uri.route_from('http://my.example.com') # #=> #<URI::Generic:0x20218858 URL:/main.rbx?page=1> # def route_from(oth) # you can modify `rel', but can not `oth'. begin oth, rel = route_from0(oth) rescue raise $!.class, $!.message end if oth == rel return rel end rel.set_path(route_from_path(oth.path, self.path)) if rel.path == './' && self.query # "./?foo" -> "?foo" rel.set_path('') end return rel end alias - route_from # # == Args # # +oth+:: # URI or String # # == Description # # Calculates relative path to oth from self # # == Usage # # require 'uri' # # uri = URI.parse('http://my.example.com') # p uri.route_to('http://my.example.com/main.rbx?page=1') # #=> #<URI::Generic:0x2020c2f6 URL:/main.rbx?page=1> # def route_to(oth) parser.send(:convert_to_uri, oth).route_from(self) end # # Returns normalized URI # def normalize uri = dup uri.normalize! uri end # # Destructive version of #normalize # def normalize! if path && path.empty? set_path('/') end if scheme && scheme != scheme.downcase set_scheme(self.scheme.downcase) end if host && host != host.downcase set_host(self.host.downcase) end end # # Constructs String from URI # def to_s str = '' if @scheme str << @scheme str << ':'.freeze end if @opaque str << @opaque else if @host str << '//'.freeze end if self.userinfo str << self.userinfo str << '@'.freeze end if @host str << @host end if @port && @port != self.default_port str << ':'.freeze str << @port.to_s end str << @path if @query str << '?'.freeze str << @query end end if @fragment str << '#'.freeze str << @fragment end str end # # Compares to URI's # def ==(oth) if self.class == oth.class self.normalize.component_ary == oth.normalize.component_ary else false end end def hash self.component_ary.hash end def eql?(oth) self.class == oth.class && parser == oth.parser && self.component_ary.eql?(oth.component_ary) end =begin --- URI::Generic#===(oth) =end # def ===(oth) # raise NotImplementedError # end =begin =end # returns an Array of the components defined from the COMPONENT Array def component_ary component.collect do |x| self.send(x) end end protected :component_ary # == Args # # +components+:: # Multiple Symbol arguments defined in URI::HTTP # # == Description # # Selects specified components from URI # # == Usage # # require 'uri' # # uri = URI.parse('http://myuser:mypass@my.example.com/test.rbx') # p uri.select(:userinfo, :host, :path) # # => ["myuser:mypass", "my.example.com", "/test.rbx"] # def select(*components) components.collect do |c| if component.include?(c) self.send(c) else raise ArgumentError, "expected of components of #{self.class} (#{self.class.component.join(', ')})" end end end def inspect "#<#{self.class} #{self}>" end # # == Args # # +v+:: # URI or String # # == Description # # attempt to parse other URI +oth+ # return [parsed_oth, self] # # == Usage # # require 'uri' # # uri = URI.parse("http://my.example.com") # uri.coerce("http://foo.com") # #=> [#<URI::HTTP:0x00000000bcb028 URL:http://foo.com/>, #<URI::HTTP:0x00000000d92178 URL:http://my.example.com>] # def coerce(oth) case oth when String oth = parser.parse(oth) else super end return oth, self end # returns a proxy URI. # The proxy URI is obtained from environment variables such as http_proxy, # ftp_proxy, no_proxy, etc. # If there is no proper proxy, nil is returned. # # Note that capitalized variables (HTTP_PROXY, FTP_PROXY, NO_PROXY, etc.) # are examined too. # # But http_proxy and HTTP_PROXY is treated specially under CGI environment. # It's because HTTP_PROXY may be set by Proxy: header. # So HTTP_PROXY is not used. # http_proxy is not used too if the variable is case insensitive. # CGI_HTTP_PROXY can be used instead. def find_proxy raise BadURIError, "relative URI: #{self}" if self.relative? name = self.scheme.downcase + '_proxy' proxy_uri = nil if name == 'http_proxy' && ENV.include?('REQUEST_METHOD') # CGI? # HTTP_PROXY conflicts with *_proxy for proxy settings and # HTTP_* for header information in CGI. # So it should be careful to use it. pairs = ENV.reject {|k, v| /\Ahttp_proxy\z/i !~ k } case pairs.length when 0 # no proxy setting anyway. proxy_uri = nil when 1 k, _ = pairs.shift if k == 'http_proxy' && ENV[k.upcase] == nil # http_proxy is safe to use because ENV is case sensitive. proxy_uri = ENV[name] else proxy_uri = nil end else # http_proxy is safe to use because ENV is case sensitive. proxy_uri = ENV.to_hash[name] end if !proxy_uri # Use CGI_HTTP_PROXY. cf. libwww-perl. proxy_uri = ENV["CGI_#{name.upcase}"] end elsif name == 'http_proxy' unless proxy_uri = ENV[name] if proxy_uri = ENV[name.upcase] warn 'The environment variable HTTP_PROXY is discouraged. Use http_proxy.' end end else proxy_uri = ENV[name] || ENV[name.upcase] end if proxy_uri.nil? || proxy_uri.empty? return nil end if self.hostname require 'socket' begin addr = IPSocket.getaddress(self.hostname) return nil if /\A127\.|\A::1\z/ =~ addr rescue SocketError end end name = 'no_proxy' if no_proxy = ENV[name] || ENV[name.upcase] no_proxy.scan(/([^:,]*)(?::(\d+))?/) {|host, port| if /(\A|\.)#{Regexp.quote host}\z/i =~ self.host && (!port || self.port == port.to_i) return nil end } end URI.parse(proxy_uri) end end end
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