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require 'charlock_holmes'
module Ag
module Utils
module_function
def fix_encoding(str)
s = str.encode('UTF-8', 'UTF-8', invalid: :replace, replace: '')
s = s.unpack('C*').pack('U*') unless s.valid_encoding?
s
end
def fix_encoding_old(str, fail_hard = false)
detection = CharlockHolmes::EncodingDetector.detect(str)
CharlockHolmes::Converter.convert(str, detection[:encoding], 'UTF-8')
rescue => e
if fail_hard
raise e
else
$stderr.puts e.message if $options.debug
'Encoding could not be reliably detected. Contents not available.'
end
end
def resolve_id
id = $options.dir
case $options.argmode
when :msgid
id = Ag::Storage.resolve_message_id($options.name, $options.dir)
when :file
id = Ag::Storage.resolve_filename($options.name, $options.dir)
end
id
end
def resolve_address_header(message, header)
if message[header].is_a? Mail::StructuredField
# Good header, properly parsed
message[header].addrs.map {|s| fix_encoding(s.to_s)}
elsif nil == message[header]
# Header not set, return empty
[]
else
# Parsing failed, do best-effort parsing
[message[header].to_s.split(/,\s*/)].flatten.map {|s| fix_encoding(s)}
end
rescue ArgumentError
[]
end
def get_sender_displayname(message)
if message[:from].is_a? Mail::StructuredField
fix_encoding(message[:from].addrs.first.to_s).strip
else
if message[:from].respond_to? :addrs and display_name = message[:from].addrs.first.display_name
fix_encoding(display_name).strip
else
fix_encoding(message[:from].to_s).strip
end
end
rescue ArgumentError
''
end
end
end
|
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