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|
# frozen_string_literal: true
module Net
class IMAP < Protocol
class RawData # :nodoc:
def send_data(imap, tag)
imap.__send__(:put_string, @data)
end
def validate
end
private
def initialize(data)
@data = data
end
end
class Atom # :nodoc:
def send_data(imap, tag)
imap.__send__(:put_string, @data)
end
def validate
end
private
def initialize(data)
@data = data
end
end
class QuotedString # :nodoc:
def send_data(imap, tag)
imap.__send__(:send_quoted_string, @data)
end
def validate
end
private
def initialize(data)
@data = data
end
end
class Literal # :nodoc:
def send_data(imap, tag)
imap.__send__(:send_literal, @data, tag)
end
def validate
end
private
def initialize(data)
@data = data
end
end
class MessageSet # :nodoc:
def send_data(imap, tag)
imap.__send__(:put_string, format_internal(@data))
end
def validate
validate_internal(@data)
end
private
def initialize(data)
@data = data
end
def format_internal(data)
case data
when "*"
return data
when Integer
if data == -1
return "*"
else
return data.to_s
end
when Range
return format_internal(data.first) +
":" + format_internal(data.last)
when Array
return data.collect {|i| format_internal(i)}.join(",")
when ThreadMember
return data.seqno.to_s +
":" + data.children.collect {|i| format_internal(i).join(",")}
end
end
def validate_internal(data)
case data
when "*"
when Integer
NumValidator.ensure_nz_number(data)
when Range
when Array
data.each do |i|
validate_internal(i)
end
when ThreadMember
data.children.each do |i|
validate_internal(i)
end
else
raise DataFormatError, data.inspect
end
end
end
class ClientID # :nodoc:
def send_data(imap, tag)
imap.__send__(:send_data, format_internal(@data), tag)
end
def validate
validate_internal(@data)
end
private
def initialize(data)
@data = data
end
def validate_internal(client_id)
client_id.to_h.each do |k,v|
unless StringFormatter.valid_string?(k)
raise DataFormatError, client_id.inspect
end
end
rescue NoMethodError, TypeError # to_h failed
raise DataFormatError, client_id.inspect
end
def format_internal(client_id)
return nil if client_id.nil?
client_id.to_h.flat_map {|k,v|
[StringFormatter.string(k), StringFormatter.nstring(v)]
}
end
end
module StringFormatter
LITERAL_REGEX = /[\x80-\xff\r\n]/n
module_function
# Allows symbols in addition to strings
def valid_string?(str)
str.is_a?(Symbol) || str.respond_to?(:to_str)
end
# Allows nil, symbols, and strings
def valid_nstring?(str)
str.nil? || valid_string?(str)
end
# coerces using +to_s+
def string(str)
str = str.to_s
if str =~ LITERAL_REGEX
Literal.new(str)
else
QuotedString.new(str)
end
end
# coerces non-nil using +to_s+
def nstring(str)
str.nil? ? nil : string(str)
end
end
end
end
|
