diff options
Diffstat (limited to 'lib/rubygems/vendor/uri/lib/uri/ftp.rb')
| -rw-r--r-- | lib/rubygems/vendor/uri/lib/uri/ftp.rb | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/lib/rubygems/vendor/uri/lib/uri/ftp.rb b/lib/rubygems/vendor/uri/lib/uri/ftp.rb new file mode 100644 index 0000000000..100498ffb2 --- /dev/null +++ b/lib/rubygems/vendor/uri/lib/uri/ftp.rb @@ -0,0 +1,267 @@ +# frozen_string_literal: false +# = uri/ftp.rb +# +# Author:: Akira Yamada <akira@ruby-lang.org> +# License:: You can redistribute it and/or modify it under the same term as Ruby. +# +# See Gem::URI for general documentation +# + +require_relative 'generic' + +module Gem::URI + + # + # FTP Gem::URI syntax is defined by RFC1738 section 3.2. + # + # This class will be redesigned because of difference of implementations; + # the structure of its path. draft-hoffman-ftp-uri-04 is a draft but it + # is a good summary about the de facto spec. + # http://tools.ietf.org/html/draft-hoffman-ftp-uri-04 + # + class FTP < Generic + # A Default port of 21 for Gem::URI::FTP. + DEFAULT_PORT = 21 + + # + # An Array of the available components for Gem::URI::FTP. + # + COMPONENT = [ + :scheme, + :userinfo, :host, :port, + :path, :typecode + ].freeze + + # + # Typecode is "a", "i", or "d". + # + # * "a" indicates a text file (the FTP command was ASCII) + # * "i" indicates a binary file (FTP command IMAGE) + # * "d" indicates the contents of a directory should be displayed + # + TYPECODE = ['a', 'i', 'd'].freeze + + # Typecode prefix ";type=". + TYPECODE_PREFIX = ';type='.freeze + + def self.new2(user, password, host, port, path, + typecode = nil, arg_check = true) # :nodoc: + # Do not use this method! Not tested. [Bug #7301] + # This methods remains just for compatibility, + # Keep it undocumented until the active maintainer is assigned. + typecode = nil if typecode.size == 0 + if typecode && !TYPECODE.include?(typecode) + raise ArgumentError, + "bad typecode is specified: #{typecode}" + end + + # do escape + + self.new('ftp', + [user, password], + host, port, nil, + typecode ? path + TYPECODE_PREFIX + typecode : path, + nil, nil, nil, arg_check) + end + + # + # == Description + # + # Creates a new Gem::URI::FTP object from components, with syntax checking. + # + # The components accepted are +userinfo+, +host+, +port+, +path+, and + # +typecode+. + # + # The components should be provided either as an Array, or as a Hash + # with keys formed by preceding the component names with a colon. + # + # If an Array is used, the components must be passed in the + # order <code>[userinfo, host, port, path, typecode]</code>. + # + # If the path supplied is absolute, it will be escaped in order to + # make it absolute in the Gem::URI. + # + # Examples: + # + # require 'rubygems/vendor/uri/lib/uri' + # + # uri1 = Gem::URI::FTP.build(['user:password', 'ftp.example.com', nil, + # '/path/file.zip', 'i']) + # uri1.to_s # => "ftp://user:password@ftp.example.com/%2Fpath/file.zip;type=i" + # + # uri2 = Gem::URI::FTP.build({:host => 'ftp.example.com', + # :path => 'ruby/src'}) + # uri2.to_s # => "ftp://ftp.example.com/ruby/src" + # + def self.build(args) + + # Fix the incoming path to be generic URL syntax + # FTP path -> URL path + # foo/bar /foo/bar + # /foo/bar /%2Ffoo/bar + # + if args.kind_of?(Array) + args[3] = '/' + args[3].sub(/^\//, '%2F') + else + args[:path] = '/' + args[:path].sub(/^\//, '%2F') + end + + tmp = Util::make_components_hash(self, args) + + if tmp[:typecode] + if tmp[:typecode].size == 1 + tmp[:typecode] = TYPECODE_PREFIX + tmp[:typecode] + end + tmp[:path] << tmp[:typecode] + end + + return super(tmp) + end + + # + # == Description + # + # Creates a new Gem::URI::FTP object from generic URL components with no + # syntax checking. + # + # Unlike build(), this method does not escape the path component as + # required by RFC1738; instead it is treated as per RFC2396. + # + # Arguments are +scheme+, +userinfo+, +host+, +port+, +registry+, +path+, + # +opaque+, +query+, and +fragment+, in that order. + # + def initialize(scheme, + userinfo, host, port, registry, + path, opaque, + query, + fragment, + parser = nil, + arg_check = false) + raise InvalidURIError unless path + path = path.sub(/^\//,'') + path.sub!(/^%2F/,'/') + super(scheme, userinfo, host, port, registry, path, opaque, + query, fragment, parser, arg_check) + @typecode = nil + if tmp = @path.index(TYPECODE_PREFIX) + typecode = @path[tmp + TYPECODE_PREFIX.size..-1] + @path = @path[0..tmp - 1] + + if arg_check + self.typecode = typecode + else + self.set_typecode(typecode) + end + end + end + + # typecode accessor. + # + # See Gem::URI::FTP::COMPONENT. + attr_reader :typecode + + # Validates typecode +v+, + # returns +true+ or +false+. + # + def check_typecode(v) + if TYPECODE.include?(v) + return true + else + raise InvalidComponentError, + "bad typecode(expected #{TYPECODE.join(', ')}): #{v}" + end + end + private :check_typecode + + # Private setter for the typecode +v+. + # + # See also Gem::URI::FTP.typecode=. + # + def set_typecode(v) + @typecode = v + end + protected :set_typecode + + # + # == Args + # + # +v+:: + # String + # + # == Description + # + # Public setter for the typecode +v+ + # (with validation). + # + # See also Gem::URI::FTP.check_typecode. + # + # == Usage + # + # require 'rubygems/vendor/uri/lib/uri' + # + # uri = Gem::URI.parse("ftp://john@ftp.example.com/my_file.img") + # #=> #<Gem::URI::FTP ftp://john@ftp.example.com/my_file.img> + # uri.typecode = "i" + # uri + # #=> #<Gem::URI::FTP ftp://john@ftp.example.com/my_file.img;type=i> + # + def typecode=(typecode) + check_typecode(typecode) + set_typecode(typecode) + typecode + end + + def merge(oth) # :nodoc: + tmp = super(oth) + if self != tmp + tmp.set_typecode(oth.typecode) + end + + return tmp + end + + # Returns the path from an FTP Gem::URI. + # + # RFC 1738 specifically states that the path for an FTP Gem::URI does not + # include the / which separates the Gem::URI path from the Gem::URI host. Example: + # + # <code>ftp://ftp.example.com/pub/ruby</code> + # + # The above Gem::URI indicates that the client should connect to + # ftp.example.com then cd to pub/ruby from the initial login directory. + # + # If you want to cd to an absolute directory, you must include an + # escaped / (%2F) in the path. Example: + # + # <code>ftp://ftp.example.com/%2Fpub/ruby</code> + # + # This method will then return "/pub/ruby". + # + def path + return @path.sub(/^\//,'').sub(/^%2F/,'/') + end + + # Private setter for the path of the Gem::URI::FTP. + def set_path(v) + super("/" + v.sub(/^\//, "%2F")) + end + protected :set_path + + # Returns a String representation of the Gem::URI::FTP. + def to_s + save_path = nil + if @typecode + save_path = @path + @path = @path + TYPECODE_PREFIX + @typecode + end + str = super + if @typecode + @path = save_path + end + + return str + end + end + + register_scheme 'FTP', FTP +end |