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# frozen_string_literal: true
# = 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.
#
# See URI for general documentation
#
require_relative 'common'
autoload :IPSocket, 'socket'
autoload :IPAddr, 'ipaddr'
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 does 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+::
# Part of the URI after '#' character.
# +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
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 exists.
#
# URI("mailto:foo@example.org").host #=> nil
#
# The component does not contain the port number.
#
# URI("http://foo:8080/bar/baz").host #=> "foo"
#
# Since IPv6 addresses are wrapped with brackets in URIs,
# this method returns IPv6 addresses wrapped with brackets.
# This form is not appropriate to pass to socket methods such as TCPSocket.open.
# If unwrapped host names are required, use the #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"
# URI("http://foo/bar/baz").opaque #=> nil
#
# The portion of the path that does not make use of the slash '/'.
# The path typically refers to an absolute path or an 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, DEFAULT_PARSER is used.
#
def parser
if !defined?(@parser) || !@parser
DEFAULT_PARSER
else
@parser || DEFAULT_PARSER
end
end
# Replaces 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
#
# Checks 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&.downcase
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"
# uri.to_s #=> "https://my.example.com"
#
def scheme=(v)
check_scheme(v)
set_scheme(v)
v
end
#
# Checks 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
#
# Checks 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
#
# Checks 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"
# uri.to_s #=> "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"
# uri.to_s #=> "http://john:V3ry_S3nsit1ve@my.example.com"
#
def password=(password)
check_password(password)
set_password(password)
# returns password
end
# Protected 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 <code>[user, password]</code>
# if properly formatted as 'user:password'.
def split_userinfo(ui)
return nil, nil unless ui
user, password = ui.split(':', 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 (without URI decoding).
def user
@user
end
# Returns the password component (without URI decoding).
def password
@password
end
# Returns the user component after URI decoding.
def decoded_user
URI.decode_uri_component(@user) if @user
end
# Returns the password component after URI decoding.
def decoded_password
URI.decode_uri_component(@password) if @password
end
#
# Checks 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"
# uri.to_s #=> "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 the same as URI::Generic#host except
# brackets for IPv6 (and future IP) addresses are removed.
#
# uri = URI("http://[::1]/bar")
# uri.hostname #=> "::1"
# uri.host #=> "[::1]"
#
def hostname
v = self.host
v&.start_with?('[') && v.end_with?(']') ? v[1..-2] : v
end
# Sets the host part of the URI as the argument with brackets for IPv6 addresses.
#
# This method is the same as URI::Generic#host= except
# the argument can be a bare IPv6 address.
#
# uri = URI("http://foo/bar")
# uri.hostname = "::1"
# uri.to_s #=> "http://[::1]/bar"
#
# If the argument seems to be an IPv6 address,
# it is wrapped with brackets.
#
def hostname=(v)
v = "[#{v}]" if !(v&.start_with?('[') && v&.end_with?(']')) && v&.index(':')
self.host = v
end
#
# Checks 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?(Integer) && 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?(Integer)
@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
# uri.to_s #=> "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
#
# Checks 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"
if v && v != '' && parser.regexp[:ABS_PATH] !~ v
raise InvalidComponentError,
"bad component(expected absolute path component): #{v}"
end
else
if v && v != '' && 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/"
# uri.to_s #=> "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"
# uri.to_s #=> "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")
v.force_encoding(Encoding::ASCII_8BIT)
raise InvalidURIError, "invalid percent escape: #{$1}" if /(%\H\H)/n.match(v)
v.gsub!(/(?!%\h\h|[!$-&(-;=?-_a-~])./n.freeze){'%%%02X' % $&.ord}
v.force_encoding(Encoding::US_ASCII)
@query = v
end
#
# Checks 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
#
# Checks 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"
# uri.to_s #=> "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")
v.force_encoding(Encoding::ASCII_8BIT)
v.gsub!(/(?!%\h\h|[!-~])./n){'%%%02X' % $&.ord}
v.force_encoding(Encoding::US_ASCII)
@fragment = v
end
#
# Returns true if URI is hierarchical.
#
# == Description
#
# URI has components listed in order of decreasing significance from left to right,
# see RFC3986 https://tools.ietf.org/html/rfc3986 1.2.3.
#
# == Usage
#
# require 'uri'
#
# uri = URI.parse("http://my.example.com/")
# uri.hierarchical?
# #=> true
# uri = URI.parse("mailto:joe@example.com")
# uri.hierarchical?
# #=> false
#
def hierarchical?
if @path
true
else
false
end
end
#
# Returns true if URI has a scheme (e.g. http:// or https://) specified.
#
def absolute?
if @scheme
true
else
false
end
end
alias absolute absolute?
#
# Returns true if URI does not have a scheme (e.g. http:// or https://) specified.
#
def relative?
!absolute?
end
#
# Returns an Array of the path split on '/'.
#
def split_path(path)
path.split("/", -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")
# uri.to_s # => "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 URIs.
#
# == Usage
#
# require 'uri'
#
# uri = URI.parse("http://my.example.com")
# uri.merge("/main.rbx?page=1")
# # => "http://my.example.com/main.rbx?page=1"
#
def merge(oth)
rel = parser.__send__(:convert_to_uri, oth)
if rel.absolute?
#raise BadURIError, "both URI are absolute" if absolute?
# hmm... should return oth for usability?
return rel
end
unless self.absolute?
raise BadURIError, "both URI are relative"
end
base = self.dup
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
# :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{[^/]*/})
dst_path = dst.scan(%r{[^/]*/?})
# 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')
# uri.route_from('http://my.example.com')
# #=> #<URI::Generic /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')
# uri.route_to('http://my.example.com/main.rbx?page=1')
# #=> #<URI::Generic /main.rbx?page=1>
#
def route_to(oth)
parser.__send__(:convert_to_uri, oth).route_from(self)
end
#
# Returns normalized URI.
#
# require 'uri'
#
# URI("HTTP://my.EXAMPLE.com").normalize
# #=> #<URI::HTTP http://my.example.com/>
#
# Normalization here means:
#
# * scheme and host are converted to lowercase,
# * an empty path component is set to "/".
#
def normalize
uri = dup
uri.normalize!
uri
end
#
# Destructive version of #normalize.
#
def normalize!
if 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 = ''.dup
if @scheme
str << @scheme
str << ':'
end
if @opaque
str << @opaque
else
if @host || %w[file postgres].include?(@scheme)
str << '//'
end
if self.userinfo
str << self.userinfo
str << '@'
end
if @host
str << @host
end
if @port && @port != self.default_port
str << ':'
str << @port.to_s
end
str << @path
if @query
str << '?'
str << @query
end
end
if @fragment
str << '#'
str << @fragment
end
str
end
#
# Compares two URIs.
#
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')
# 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
#
# Attempts to parse other URI +oth+,
# returns [parsed_oth, self].
#
# == Usage
#
# require 'uri'
#
# uri = URI.parse("http://my.example.com")
# uri.coerce("http://foo.com")
# #=> [#<URI::HTTP http://foo.com>, #<URI::HTTP 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.
#
# If the optional parameter +env+ is specified, it is used instead of ENV.
#
# 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(env=ENV)
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'
if RUBY_ENGINE == 'jruby' && p_addr = ENV_JAVA['http.proxyHost']
p_port = ENV_JAVA['http.proxyPort']
if p_user = ENV_JAVA['http.proxyUser']
p_pass = ENV_JAVA['http.proxyPass']
proxy_uri = "http://#{p_user}:#{p_pass}@#{p_addr}:#{p_port}"
else
proxy_uri = "http://#{p_addr}:#{p_port}"
end
else
unless proxy_uri = env[name]
if proxy_uri = env[name.upcase]
warn 'The environment variable HTTP_PROXY is discouraged. Use http_proxy.', uplevel: 1
end
end
end
else
proxy_uri = env[name] || env[name.upcase]
end
if proxy_uri.nil? || proxy_uri.empty?
return nil
end
if self.hostname
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]
return nil unless URI::Generic.use_proxy?(self.hostname, addr, self.port, no_proxy)
end
URI.parse(proxy_uri)
end
def self.use_proxy?(hostname, addr, port, no_proxy) # :nodoc:
hostname = hostname.downcase
dothostname = ".#{hostname}"
no_proxy.scan(/([^:,\s]+)(?::(\d+))?/) {|p_host, p_port|
if !p_port || port == p_port.to_i
if p_host.start_with?('.')
return false if hostname.end_with?(p_host.downcase)
else
return false if dothostname.end_with?(".#{p_host.downcase}")
end
if addr
begin
return false if IPAddr.new(p_host).include?(addr)
rescue IPAddr::InvalidAddressError
next
end
end
end
}
true
end
end
end
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