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uri.rb
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uri.rb
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# encoding:utf-8
#--
# Copyright (C) 2006-2011 Bob Aman
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#++
require "addressable/version"
require "addressable/idna"
##
# Addressable is a library for processing links and URIs.
module Addressable
##
# This is an implementation of a URI parser based on
# <a href="http://www.ietf.org/rfc/rfc3986.txt">RFC 3986</a>,
# <a href="http://www.ietf.org/rfc/rfc3987.txt">RFC 3987</a>.
class URI
##
# Raised if something other than a uri is supplied.
class InvalidURIError < StandardError
end
##
# Container for the character classes specified in
# <a href="http://www.ietf.org/rfc/rfc3986.txt">RFC 3986</a>.
module CharacterClasses
ALPHA = "a-zA-Z"
DIGIT = "0-9"
GEN_DELIMS = "\\:\\/\\?\\#\\[\\]\\@"
SUB_DELIMS = "\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\="
RESERVED = GEN_DELIMS + SUB_DELIMS
UNRESERVED = ALPHA + DIGIT + "\\-\\.\\_\\~"
PCHAR = UNRESERVED + SUB_DELIMS + "\\:\\@"
SCHEME = ALPHA + DIGIT + "\\-\\+\\."
AUTHORITY = PCHAR
PATH = PCHAR + "\\/"
QUERY = PCHAR + "\\/\\?"
FRAGMENT = PCHAR + "\\/\\?"
end
SLASH = '/'
EMPTY_STR = ''
URIREGEX = /^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/
PORT_MAPPING = {
"http" => 80,
"https" => 443,
"ftp" => 21,
"tftp" => 69,
"sftp" => 22,
"ssh" => 22,
"svn+ssh" => 22,
"telnet" => 23,
"nntp" => 119,
"gopher" => 70,
"wais" => 210,
"ldap" => 389,
"prospero" => 1525
}
##
# Returns a URI object based on the parsed string.
#
# @param [String, Addressable::URI, #to_str] uri
# The URI string to parse.
# No parsing is performed if the object is already an
# <code>Addressable::URI</code>.
#
# @return [Addressable::URI] The parsed URI.
def self.parse(uri)
# If we were given nil, return nil.
return nil unless uri
# If a URI object is passed, just return itself.
return uri.dup if uri.kind_of?(self)
# If a URI object of the Ruby standard library variety is passed,
# convert it to a string, then parse the string.
# We do the check this way because we don't want to accidentally
# cause a missing constant exception to be thrown.
if uri.class.name =~ /^URI\b/
uri = uri.to_s
end
# Otherwise, convert to a String
begin
uri = uri.to_str
rescue TypeError, NoMethodError
raise TypeError, "Can't convert #{uri.class} into String."
end if not uri.is_a? String
# This Regexp supplied as an example in RFC 3986, and it works great.
scan = uri.scan(URIREGEX)
fragments = scan[0]
scheme = fragments[1]
authority = fragments[3]
path = fragments[4]
query = fragments[6]
fragment = fragments[8]
user = nil
password = nil
host = nil
port = nil
if authority != nil
# The Regexp above doesn't split apart the authority.
userinfo = authority[/^([^\[\]]*)@/, 1]
if userinfo != nil
user = userinfo.strip[/^([^:]*):?/, 1]
password = userinfo.strip[/:(.*)$/, 1]
end
host = authority.gsub(
/^([^\[\]]*)@/, EMPTY_STR
).gsub(
/:([^:@\[\]]*?)$/, EMPTY_STR
)
port = authority[/:([^:@\[\]]*?)$/, 1]
end
if port == EMPTY_STR
port = nil
end
return new(
:scheme => scheme,
:user => user,
:password => password,
:host => host,
:port => port,
:path => path,
:query => query,
:fragment => fragment
)
end
##
# Converts an input to a URI. The input does not have to be a valid
# URI — the method will use heuristics to guess what URI was intended.
# This is not standards-compliant, merely user-friendly.
#
# @param [String, Addressable::URI, #to_str] uri
# The URI string to parse.
# No parsing is performed if the object is already an
# <code>Addressable::URI</code>.
# @param [Hash] hints
# A <code>Hash</code> of hints to the heuristic parser.
# Defaults to <code>{:scheme => "http"}</code>.
#
# @return [Addressable::URI] The parsed URI.
def self.heuristic_parse(uri, hints={})
# If we were given nil, return nil.
return nil unless uri
# If a URI object is passed, just return itself.
return uri.dup if uri.kind_of?(self)
if !uri.respond_to?(:to_str)
raise TypeError, "Can't convert #{uri.class} into String."
end
# Otherwise, convert to a String
uri = uri.to_str.dup
hints = {
:scheme => "http"
}.merge(hints)
case uri
when /^http:\/+/
uri.gsub!(/^http:\/+/, "http://")
when /^https:\/+/
uri.gsub!(/^https:\/+/, "https://")
when /^feed:\/+http:\/+/
uri.gsub!(/^feed:\/+http:\/+/, "feed:http://")
when /^feed:\/+/
uri.gsub!(/^feed:\/+/, "feed://")
when /^file:\/+/
uri.gsub!(/^file:\/+/, "file:///")
when /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/
uri.gsub!(/^/, hints[:scheme] + "://")
end
parsed = self.parse(uri)
if parsed.scheme =~ /^[^\/?#\.]+\.[^\/?#]+$/
parsed = self.parse(hints[:scheme] + "://" + uri)
end
if parsed.path.include?(".")
new_host = parsed.path[/^([^\/]+\.[^\/]*)/, 1]
if new_host
parsed.defer_validation do
new_path = parsed.path.gsub(
Regexp.new("^" + Regexp.escape(new_host)), EMPTY_STR)
parsed.host = new_host
parsed.path = new_path
parsed.scheme = hints[:scheme] unless parsed.scheme
end
end
end
return parsed
end
##
# Converts a path to a file scheme URI. If the path supplied is
# relative, it will be returned as a relative URI. If the path supplied
# is actually a non-file URI, it will parse the URI as if it had been
# parsed with <code>Addressable::URI.parse</code>. Handles all of the
# various Microsoft-specific formats for specifying paths.
#
# @param [String, Addressable::URI, #to_str] path
# Typically a <code>String</code> path to a file or directory, but
# will return a sensible return value if an absolute URI is supplied
# instead.
#
# @return [Addressable::URI]
# The parsed file scheme URI or the original URI if some other URI
# scheme was provided.
#
# @example
# base = Addressable::URI.convert_path("/absolute/path/")
# uri = Addressable::URI.convert_path("relative/path")
# (base + uri).to_s
# #=> "file:///absolute/path/relative/path"
#
# Addressable::URI.convert_path(
# "c:\\windows\\My Documents 100%20\\foo.txt"
# ).to_s
# #=> "file:///c:/windows/My%20Documents%20100%20/foo.txt"
#
# Addressable::URI.convert_path("http://example.com/").to_s
# #=> "http://example.com/"
def self.convert_path(path)
# If we were given nil, return nil.
return nil unless path
# If a URI object is passed, just return itself.
return path if path.kind_of?(self)
if !path.respond_to?(:to_str)
raise TypeError, "Can't convert #{path.class} into String."
end
# Otherwise, convert to a String
path = path.to_str.strip
path.gsub!(/^file:\/?\/?/, EMPTY_STR) if path =~ /^file:\/?\/?/
path = SLASH + path if path =~ /^([a-zA-Z])[\|:]/
uri = self.parse(path)
if uri.scheme == nil
# Adjust windows-style uris
uri.path.gsub!(/^\/?([a-zA-Z])[\|:][\\\/]/) do
"/#{$1.downcase}:/"
end
uri.path.gsub!(/\\/, SLASH)
if File.exists?(uri.path) &&
File.stat(uri.path).directory?
uri.path.gsub!(/\/$/, EMPTY_STR)
uri.path = uri.path + '/'
end
# If the path is absolute, set the scheme and host.
if uri.path =~ /^\//
uri.scheme = "file"
uri.host = EMPTY_STR
end
uri.normalize!
end
return uri
end
##
# Joins several URIs together.
#
# @param [String, Addressable::URI, #to_str] *uris
# The URIs to join.
#
# @return [Addressable::URI] The joined URI.
#
# @example
# base = "http://example.com/"
# uri = Addressable::URI.parse("relative/path")
# Addressable::URI.join(base, uri)
# #=> #<Addressable::URI:0xcab390 URI:http://example.com/relative/path>
def self.join(*uris)
uri_objects = uris.collect do |uri|
if !uri.respond_to?(:to_str)
raise TypeError, "Can't convert #{uri.class} into String."
end
uri.kind_of?(self) ? uri : self.parse(uri.to_str)
end
result = uri_objects.shift.dup
for uri in uri_objects
result.join!(uri)
end
return result
end
##
# Percent encodes a URI component.
#
# @param [String, #to_str] component The URI component to encode.
#
# @param [String, Regexp] character_class
# The characters which are not percent encoded. If a <code>String</code>
# is passed, the <code>String</code> must be formatted as a regular
# expression character class. (Do not include the surrounding square
# brackets.) For example, <code>"b-zB-Z0-9"</code> would cause
# everything but the letters 'b' through 'z' and the numbers '0' through
# '9' to be percent encoded. If a <code>Regexp</code> is passed, the
# value <code>/[^b-zB-Z0-9]/</code> would have the same effect. A set of
# useful <code>String</code> values may be found in the
# <code>Addressable::URI::CharacterClasses</code> module. The default
# value is the reserved plus unreserved character classes specified in
# <a href="http://www.ietf.org/rfc/rfc3986.txt">RFC 3986</a>.
#
# @return [String] The encoded component.
#
# @example
# Addressable::URI.encode_component("simple/example", "b-zB-Z0-9")
# => "simple%2Fex%61mple"
# Addressable::URI.encode_component("simple/example", /[^b-zB-Z0-9]/)
# => "simple%2Fex%61mple"
# Addressable::URI.encode_component(
# "simple/example", Addressable::URI::CharacterClasses::UNRESERVED
# )
# => "simple%2Fexample"
def self.encode_component(component, character_class=
CharacterClasses::RESERVED + CharacterClasses::UNRESERVED)
return nil if component.nil?
begin
if component.kind_of?(Symbol) || component.kind_of?(Numeric)
component = component.to_s
else
component = component.to_str
end
rescue TypeError, NoMethodError
raise TypeError, "Can't convert #{component.class} into String."
end if !component.is_a? String
if ![String, Regexp].include?(character_class.class)
raise TypeError,
"Expected String or Regexp, got #{character_class.inspect}"
end
if character_class.kind_of?(String)
character_class = /[^#{character_class}]/
end
if component.respond_to?(:force_encoding)
# We can't perform regexps on invalid UTF sequences, but
# here we need to, so switch to ASCII.
component = component.dup
component.force_encoding(Encoding::ASCII_8BIT)
end
return component.gsub(character_class) do |sequence|
(sequence.unpack('C*').map { |c| "%" + ("%02x" % c).upcase }).join
end
end
class << self
alias_method :encode_component, :encode_component
end
##
# Unencodes any percent encoded characters within a URI component.
# This method may be used for unencoding either components or full URIs,
# however, it is recommended to use the <code>unencode_component</code>
# alias when unencoding components.
#
# @param [String, Addressable::URI, #to_str] uri
# The URI or component to unencode.
#
# @param [Class] return_type
# The type of object to return.
# This value may only be set to <code>String</code> or
# <code>Addressable::URI</code>. All other values are invalid. Defaults
# to <code>String</code>.
#
# @return [String, Addressable::URI]
# The unencoded component or URI.
# The return type is determined by the <code>return_type</code>
# parameter.
def self.unencode(uri, return_type=String)
return nil if uri.nil?
begin
uri = uri.to_str
rescue NoMethodError, TypeError
raise TypeError, "Can't convert #{uri.class} into String."
end if !uri.is_a? String
if ![String, ::Addressable::URI].include?(return_type)
raise TypeError,
"Expected Class (String or Addressable::URI), " +
"got #{return_type.inspect}"
end
result = uri.gsub(/%[0-9a-f]{2}/i) do |sequence|
sequence[1..3].to_i(16).chr
end
result.force_encoding("utf-8") if result.respond_to?(:force_encoding)
if return_type == String
return result
elsif return_type == ::Addressable::URI
return ::Addressable::URI.parse(result)
end
end
class << self
alias_method :unescape, :unencode
alias_method :unencode_component, :unencode
alias_method :unescape_component, :unencode
end
##
# Normalizes the encoding of a URI component.
#
# @param [String, #to_str] component The URI component to encode.
#
# @param [String, Regexp] character_class
# The characters which are not percent encoded. If a <code>String</code>
# is passed, the <code>String</code> must be formatted as a regular
# expression character class. (Do not include the surrounding square
# brackets.) For example, <code>"b-zB-Z0-9"</code> would cause
# everything but the letters 'b' through 'z' and the numbers '0'
# through '9' to be percent encoded. If a <code>Regexp</code> is passed,
# the value <code>/[^b-zB-Z0-9]/</code> would have the same effect. A
# set of useful <code>String</code> values may be found in the
# <code>Addressable::URI::CharacterClasses</code> module. The default
# value is the reserved plus unreserved character classes specified in
# <a href="http://www.ietf.org/rfc/rfc3986.txt">RFC 3986</a>.
#
# @return [String] The normalized component.
#
# @example
# Addressable::URI.normalize_component("simpl%65/%65xampl%65", "b-zB-Z")
# => "simple%2Fex%61mple"
# Addressable::URI.normalize_component(
# "simpl%65/%65xampl%65", /[^b-zB-Z]/
# )
# => "simple%2Fex%61mple"
# Addressable::URI.normalize_component(
# "simpl%65/%65xampl%65",
# Addressable::URI::CharacterClasses::UNRESERVED
# )
# => "simple%2Fexample"
def self.normalize_component(component, character_class=
CharacterClasses::RESERVED + CharacterClasses::UNRESERVED)
return nil if component.nil?
begin
component = component.to_str
rescue NoMethodError, TypeError
raise TypeError, "Can't convert #{component.class} into String."
end if !component.is_a? String
if ![String, Regexp].include?(character_class.class)
raise TypeError,
"Expected String or Regexp, got #{character_class.inspect}"
end
if character_class.kind_of?(String)
character_class = /[^#{character_class}]/
end
if component.respond_to?(:force_encoding)
# We can't perform regexps on invalid UTF sequences, but
# here we need to, so switch to ASCII.
component = component.dup
component.force_encoding(Encoding::ASCII_8BIT)
end
unencoded = self.unencode_component(component)
begin
encoded = self.encode_component(
Addressable::IDNA.unicode_normalize_kc(unencoded),
character_class
)
rescue ArgumentError
encoded = self.encode_component(unencoded)
end
return encoded
end
##
# Percent encodes any special characters in the URI.
#
# @param [String, Addressable::URI, #to_str] uri
# The URI to encode.
#
# @param [Class] return_type
# The type of object to return.
# This value may only be set to <code>String</code> or
# <code>Addressable::URI</code>. All other values are invalid. Defaults
# to <code>String</code>.
#
# @return [String, Addressable::URI]
# The encoded URI.
# The return type is determined by the <code>return_type</code>
# parameter.
def self.encode(uri, return_type=String)
return nil if uri.nil?
begin
uri = uri.to_str
rescue NoMethodError, TypeError
raise TypeError, "Can't convert #{uri.class} into String."
end if !uri.is_a? String
if ![String, ::Addressable::URI].include?(return_type)
raise TypeError,
"Expected Class (String or Addressable::URI), " +
"got #{return_type.inspect}"
end
uri_object = uri.kind_of?(self) ? uri : self.parse(uri)
encoded_uri = Addressable::URI.new(
:scheme => self.encode_component(uri_object.scheme,
Addressable::URI::CharacterClasses::SCHEME),
:authority => self.encode_component(uri_object.authority,
Addressable::URI::CharacterClasses::AUTHORITY),
:path => self.encode_component(uri_object.path,
Addressable::URI::CharacterClasses::PATH),
:query => self.encode_component(uri_object.query,
Addressable::URI::CharacterClasses::QUERY),
:fragment => self.encode_component(uri_object.fragment,
Addressable::URI::CharacterClasses::FRAGMENT)
)
if return_type == String
return encoded_uri.to_s
elsif return_type == ::Addressable::URI
return encoded_uri
end
end
class << self
alias_method :escape, :encode
end
##
# Normalizes the encoding of a URI. Characters within a hostname are
# not percent encoded to allow for internationalized domain names.
#
# @param [String, Addressable::URI, #to_str] uri
# The URI to encode.
#
# @param [Class] return_type
# The type of object to return.
# This value may only be set to <code>String</code> or
# <code>Addressable::URI</code>. All other values are invalid. Defaults
# to <code>String</code>.
#
# @return [String, Addressable::URI]
# The encoded URI.
# The return type is determined by the <code>return_type</code>
# parameter.
def self.normalized_encode(uri, return_type=String)
begin
uri = uri.to_str
rescue NoMethodError, TypeError
raise TypeError, "Can't convert #{uri.class} into String."
end if !uri.is_a? String
if ![String, ::Addressable::URI].include?(return_type)
raise TypeError,
"Expected Class (String or Addressable::URI), " +
"got #{return_type.inspect}"
end
uri_object = uri.kind_of?(self) ? uri : self.parse(uri)
components = {
:scheme => self.unencode_component(uri_object.scheme),
:user => self.unencode_component(uri_object.user),
:password => self.unencode_component(uri_object.password),
:host => self.unencode_component(uri_object.host),
:port => uri_object.port,
:path => self.unencode_component(uri_object.path),
:query => self.unencode_component(uri_object.query),
:fragment => self.unencode_component(uri_object.fragment)
}
components.each do |key, value|
if value != nil
begin
components[key] =
Addressable::IDNA.unicode_normalize_kc(value.to_str)
rescue ArgumentError
# Likely a malformed UTF-8 character, skip unicode normalization
components[key] = value.to_str
end
end
end
encoded_uri = Addressable::URI.new(
:scheme => self.encode_component(components[:scheme],
Addressable::URI::CharacterClasses::SCHEME),
:user => self.encode_component(components[:user],
Addressable::URI::CharacterClasses::UNRESERVED),
:password => self.encode_component(components[:password],
Addressable::URI::CharacterClasses::UNRESERVED),
:host => components[:host],
:port => components[:port],
:path => self.encode_component(components[:path],
Addressable::URI::CharacterClasses::PATH),
:query => self.encode_component(components[:query],
Addressable::URI::CharacterClasses::QUERY),
:fragment => self.encode_component(components[:fragment],
Addressable::URI::CharacterClasses::FRAGMENT)
)
if return_type == String
return encoded_uri.to_s
elsif return_type == ::Addressable::URI
return encoded_uri
end
end
##
# Encodes a set of key/value pairs according to the rules for the
# <code>application/x-www-form-urlencoded</code> MIME type.
#
# @param [#to_hash, #to_ary] form_values
# The form values to encode.
#
# @param [TrueClass, FalseClass] sort
# Sort the key/value pairs prior to encoding.
# Defaults to <code>false</code>.
#
# @return [String]
# The encoded value.
def self.form_encode(form_values, sort=false)
if form_values.respond_to?(:to_hash)
form_values = form_values.to_hash.to_a
elsif form_values.respond_to?(:to_ary)
form_values = form_values.to_ary
else
raise TypeError, "Can't convert #{form_values.class} into Array."
end
form_values = form_values.inject([]) do |accu, (key, value)|
if value.kind_of?(Array)
value.each do |v|
accu << [key.to_s, v.to_s]
end
else
accu << [key.to_s, value.to_s]
end
accu
end
if sort
# Useful for OAuth and optimizing caching systems
form_values = form_values.sort
end
escaped_form_values = form_values.map do |(key, value)|
# Line breaks are CRLF pairs
[
self.encode_component(
key.gsub(/(\r\n|\n|\r)/, "\r\n"),
CharacterClasses::UNRESERVED
).gsub("%20", "+"),
self.encode_component(
value.gsub(/(\r\n|\n|\r)/, "\r\n"),
CharacterClasses::UNRESERVED
).gsub("%20", "+")
]
end
return (escaped_form_values.map do |(key, value)|
"#{key}=#{value}"
end).join("&")
end
##
# Decodes a <code>String</code> according to the rules for the
# <code>application/x-www-form-urlencoded</code> MIME type.
#
# @param [String, #to_str] encoded_value
# The form values to decode.
#
# @return [Array]
# The decoded values.
# This is not a <code>Hash</code> because of the possibility for
# duplicate keys.
def self.form_unencode(encoded_value)
if !encoded_value.respond_to?(:to_str)
raise TypeError, "Can't convert #{encoded_value.class} into String."
end
encoded_value = encoded_value.to_str
split_values = encoded_value.split("&").map do |pair|
pair.split("=", 2)
end
return split_values.map do |(key, value)|
[
key ? self.unencode_component(
key.gsub("+", "%20")).gsub(/(\r\n|\n|\r)/, "\n") : nil,
value ? (self.unencode_component(
value.gsub("+", "%20")).gsub(/(\r\n|\n|\r)/, "\n")) : nil
]
end
end
##
# Creates a new uri object from component parts.
#
# @option [String, #to_str] scheme The scheme component.
# @option [String, #to_str] user The user component.
# @option [String, #to_str] password The password component.
# @option [String, #to_str] userinfo
# The userinfo component. If this is supplied, the user and password
# components must be omitted.
# @option [String, #to_str] host The host component.
# @option [String, #to_str] port The port component.
# @option [String, #to_str] authority
# The authority component. If this is supplied, the user, password,
# userinfo, host, and port components must be omitted.
# @option [String, #to_str] path The path component.
# @option [String, #to_str] query The query component.
# @option [String, #to_str] fragment The fragment component.
#
# @return [Addressable::URI] The constructed URI object.
def initialize(options={})
if options.has_key?(:authority)
if (options.keys & [:userinfo, :user, :password, :host, :port]).any?
raise ArgumentError,
"Cannot specify both an authority and any of the components " +
"within the authority."
end
end
if options.has_key?(:userinfo)
if (options.keys & [:user, :password]).any?
raise ArgumentError,
"Cannot specify both a userinfo and either the user or password."
end
end
self.defer_validation do
# Bunch of crazy logic required because of the composite components
# like userinfo and authority.
self.scheme = options[:scheme] if options[:scheme]
self.user = options[:user] if options[:user]
self.password = options[:password] if options[:password]
self.userinfo = options[:userinfo] if options[:userinfo]
self.host = options[:host] if options[:host]
self.port = options[:port] if options[:port]
self.authority = options[:authority] if options[:authority]
self.path = options[:path] if options[:path]
self.query = options[:query] if options[:query]
self.query_values = options[:query_values] if options[:query_values]
self.fragment = options[:fragment] if options[:fragment]
end
end
##
# Freeze URI, initializing instance variables.
#
# @return [Addressable::URI] The frozen URI object.
def freeze
self.normalized_scheme
self.normalized_user
self.normalized_password
self.normalized_userinfo
self.normalized_host
self.normalized_port
self.normalized_authority
self.normalized_site
self.normalized_path
self.normalized_query
self.normalized_fragment
self.hash
super
end
##
# The scheme component for this URI.
#
# @return [String] The scheme component.
def scheme
return instance_variable_defined?(:@scheme) ? @scheme : nil
end
##
# The scheme component for this URI, normalized.
#
# @return [String] The scheme component, normalized.
def normalized_scheme
self.scheme && @normalized_scheme ||= (begin
if self.scheme =~ /^\s*ssh\+svn\s*$/i
"svn+ssh"
else
Addressable::URI.normalize_component(
self.scheme.strip.downcase,
Addressable::URI::CharacterClasses::SCHEME
)
end
end)
end
##
# Sets the scheme component for this URI.
#
# @param [String, #to_str] new_scheme The new scheme component.
def scheme=(new_scheme)
if new_scheme && !new_scheme.respond_to?(:to_str)
raise TypeError, "Can't convert #{new_scheme.class} into String."
elsif new_scheme
new_scheme = new_scheme.to_str
end
if new_scheme && new_scheme !~ /[a-z][a-z0-9\.\+\-]*/i
raise InvalidURIError, "Invalid scheme format."
end
@scheme = new_scheme
@scheme = nil if @scheme.to_s.strip.empty?
# Reset dependant values
@normalized_scheme = nil
@uri_string = nil
@hash = nil
# Ensure we haven't created an invalid URI
validate()
end
##
# The user component for this URI.
#
# @return [String] The user component.
def user
return instance_variable_defined?(:@user) ? @user : nil
end
##
# The user component for this URI, normalized.
#
# @return [String] The user component, normalized.
def normalized_user
self.user && @normalized_user ||= (begin
if normalized_scheme =~ /https?/ && self.user.strip.empty? &&
(!self.password || self.password.strip.empty?)
nil
else
Addressable::URI.normalize_component(
self.user.strip,
Addressable::URI::CharacterClasses::UNRESERVED
)
end
end)
end
##
# Sets the user component for this URI.
#
# @param [String, #to_str] new_user The new user component.
def user=(new_user)
if new_user && !new_user.respond_to?(:to_str)
raise TypeError, "Can't convert #{new_user.class} into String."
end
@user = new_user ? new_user.to_str : nil
# You can't have a nil user with a non-nil password
if password != nil
@user = EMPTY_STR if @user.nil?
end
# Reset dependant values
@userinfo = nil
@normalized_userinfo = nil
@authority = nil
@normalized_user = nil
@uri_string = nil
@hash = nil
# Ensure we haven't created an invalid URI
validate()
end
##
# The password component for this URI.
#
# @return [String] The password component.
def password
return instance_variable_defined?(:@password) ? @password : nil
end
##
# The password component for this URI, normalized.
#
# @return [String] The password component, normalized.
def normalized_password
self.password && @normalized_password ||= (begin
if self.normalized_scheme =~ /https?/ && self.password.strip.empty? &&
(!self.user || self.user.strip.empty?)
nil
else
Addressable::URI.normalize_component(
self.password.strip,
Addressable::URI::CharacterClasses::UNRESERVED
)
end
end)
end
##
# Sets the password component for this URI.
#
# @param [String, #to_str] new_password The new password component.
def password=(new_password)
if new_password && !new_password.respond_to?(:to_str)
raise TypeError, "Can't convert #{new_password.class} into String."
end
@password = new_password ? new_password.to_str : nil
# You can't have a nil user with a non-nil password
@password ||= nil
@user ||= nil
if @password != nil
@user = EMPTY_STR if @user.nil?
end
# Reset dependant values
@userinfo = nil
@normalized_userinfo = nil
@authority = nil
@normalized_password = nil
@uri_string = nil
@hash = nil
# Ensure we haven't created an invalid URI
validate()
end
##
# The userinfo component for this URI.
# Combines the user and password components.
#
# @return [String] The userinfo component.
def userinfo
current_user = self.user
current_password = self.password
(current_user || current_password) && @userinfo ||= (begin
if current_user && current_password
"#{current_user}:#{current_password}"
elsif current_user && !current_password
"#{current_user}"
end
end)
end
##
# The userinfo component for this URI, normalized.
#
# @return [String] The userinfo component, normalized.
def normalized_userinfo
self.userinfo && @normalized_userinfo ||= (begin
current_user = self.normalized_user
current_password = self.normalized_password
if !current_user && !current_password
nil
elsif current_user && current_password
"#{current_user}:#{current_password}"
elsif current_user && !current_password
"#{current_user}"
end
end)
end
##
# Sets the userinfo component for this URI.
#
# @param [String, #to_str] new_userinfo The new userinfo component.
def userinfo=(new_userinfo)
if new_userinfo && !new_userinfo.respond_to?(:to_str)
raise TypeError, "Can't convert #{new_userinfo.class} into String."
end
new_user, new_password = if new_userinfo
[
new_userinfo.to_str.strip[/^(.*):/, 1],
new_userinfo.to_str.strip[/:(.*)$/, 1]
]
else
[nil, nil]
end
# Password assigned first to ensure validity in case of nil
self.password = new_password
self.user = new_user
# Reset dependant values
@authority = nil
@uri_string = nil
@hash = nil
# Ensure we haven't created an invalid URI
validate()
end
##
# The host component for this URI.
#
# @return [String] The host component.
def host
return instance_variable_defined?(:@host) ? @host : nil
end
##
# The host component for this URI, normalized.
#
# @return [String] The host component, normalized.
def normalized_host