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-rw-r--r--lib/mail_handler/backends/mail_backend.rb7
-rw-r--r--lib/normalize_string.rb14
2 files changed, 20 insertions, 1 deletions
diff --git a/lib/mail_handler/backends/mail_backend.rb b/lib/mail_handler/backends/mail_backend.rb
index 5a7e0ef65..9e3fbc008 100644
--- a/lib/mail_handler/backends/mail_backend.rb
+++ b/lib/mail_handler/backends/mail_backend.rb
@@ -65,7 +65,12 @@ module MailHandler
# Return a copy of the file name for the mail part
def get_part_file_name(part)
part_file_name = part.filename
- part_file_name.nil? ? nil : part_file_name.dup
+ part_file_name = part_file_name.nil? ? nil : part_file_name.dup
+ if part_file_name
+ part_file_name = CGI.unescape(part_file_name)
+ part_file_name = convert_string_to_utf8(part_file_name, part.charset)
+ end
+ part_file_name
end
# Get the body of a mail part
diff --git a/lib/normalize_string.rb b/lib/normalize_string.rb
index 409262b8e..d850d7e05 100644
--- a/lib/normalize_string.rb
+++ b/lib/normalize_string.rb
@@ -73,6 +73,20 @@ def convert_string_to_utf8_or_binary(s, suggested_character_encoding=nil)
result
end
+def convert_string_to_utf8(s, suggested_character_encoding=nil)
+ begin
+ result = normalize_string_to_utf8 s, suggested_character_encoding
+ rescue EncodingNormalizationError
+ result = s
+ if String.method_defined?(:encode)
+ result = s.force_encoding("utf-8").encode("utf-8", :invalid => :replace,
+ :undef => :replace,
+ :replace => "")
+ end
+ end
+ result
+end
+
def log_text_details(message, text)
if String.method_defined?(:encode)
STDERR.puts "#{message}, we have text: #{text}, of class #{text.class} and encoding #{text.encoding}"