#
# COPYRIGHT:
#
-# This software is Copyright (c) 1996-2005 Best Practical Solutions, LLC
+# This software is Copyright (c) 1996-2007 Best Practical Solutions, LLC
# <jesse@bestpractical.com>
#
# (Except where explicitly superseded by other copyright notices)
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301 or visit their web page on the internet at
+# http://www.gnu.org/copyleft/gpl.html.
#
#
# CONTRIBUTION SUBMISSION POLICY:
# those contributions and any derivatives thereof.
#
# END BPS TAGGED BLOCK }}}
-
=head1 NAME
RT::I18N - a base class for localization of RT
package RT::I18N;
use strict;
+use warnings;
+
use Locale::Maketext 1.04;
use Locale::Maketext::Lexicon 0.25;
use base ('Locale::Maketext::Fuzzy');
-use vars qw( %Lexicon );
-#If we're running on 5.6, we desperately need Encode::compat. But if we're on 5.8, we don't really need it.
-BEGIN { if ($] < 5.007001) {
-require Encode::compat;
-} }
use Encode;
-
use MIME::Entity;
use MIME::Head;
# I decree that this project's first language is English.
-%Lexicon = (
+our %Lexicon = (
'TEST_STRING' => 'Concrete Mixer',
'__Content-Type' => 'text/plain; charset=utf-8',
=head2 SetMIMEEntityToUTF8 $entity
-An utility method which will try to convert entity body into utf8.
+An utility function which will try to convert entity body into utf8.
It's now a wrap-up of SetMIMEEntityToEncoding($entity, 'utf-8').
=cut
# }}}
+# {{{ IsTextualContentType
+
+=head2 IsTextualContentType $type
+
+An utility function that determines whether $type is I<textual>, meaning
+that it can sensibly be converted to Unicode text.
+
+Currently, it returns true iff $type matches this regular expression
+(case-insensitively):
+
+ ^(?:text/(?:plain|html)|message/rfc822)\b
+
+# }}}
+
+=cut
+
+sub IsTextualContentType {
+ my $type = shift;
+ ($type =~ m{^(?:text/(?:plain|html)|message/rfc822)\b}i) ? 1 : 0;
+}
+
# {{{ SetMIMEEntityToEncoding
=head2 SetMIMEEntityToEncoding $entity, $encoding
-An utility method which will try to convert entity body into specified
+An utility function which will try to convert entity body into specified
charset encoding (encoded as octets, *not* unicode-strings). It will
iterate all the entities in $entity, and try to convert each one into
specified charset if whose Content-Type is 'text/plain'.
-This method doesn't return anything meaningful.
+This function doesn't return anything meaningful.
=cut
sub SetMIMEEntityToEncoding {
my ( $entity, $enc, $preserve_words ) = ( shift, shift, shift );
- #if ( $entity->is_multipart ) {
- #$RT::Logger->crit("This entity is a multipart " . $entity->head->as_string);
- SetMIMEEntityToEncoding( $_, $enc, $preserve_words ) foreach $entity->parts;
- #}
+ # do the same for parts first of all
+ SetMIMEEntityToEncoding( $_, $enc, $preserve_words ) foreach $entity->parts;
my $charset = _FindOrGuessCharset($entity) or return;
# one and only normalization
# If this is a textual entity, we'd need to preserve its original encoding
$head->add( "X-RT-Original-Encoding" => $charset )
- if $head->mime_attr('content-type.charset') or $head->mime_type =~ /^text/;
+ if $head->mime_attr('content-type.charset') or IsTextualContentType($head->mime_type);
-
- return unless ( $head->mime_type =~ qr{^(text/plain|message/rfc822)$}i );
-
+ return unless IsTextualContentType($head->mime_type);
my $body = $entity->bodyhandle;
my $str = shift;
my $enc = shift;
-
- @_ = $str =~ m/([^=]*)=\?([^?]+)\?([QqBb])\?([^?]+)\?=([^=]*)/g;
-
+ @_ = $str =~ m/(.*?)=\?([^?]+)\?([QqBb])\?([^?]+)\?=([^=]*)/gcs;
return ($str) unless (@_);
+ # add everything that hasn't matched to the end of the latest
+ # string in array this happen when we have 'key="=?encoded?="; key="plain"'
+ $_[-1] .= substr($str, pos $str);
+
$str = "";
while (@_) {
my ($prefix, $charset, $encoding, $enc_str, $trailing) =
- (shift, shift, shift, shift, shift);
+ (shift, shift, lc shift, shift, shift);
$trailing =~ s/\s?\t?$//; # Observed from Outlook Express
- if ($encoding eq 'Q' or $encoding eq 'q') {
+ if ( $encoding eq 'q' ) {
use MIME::QuotedPrint;
$enc_str =~ tr/_/ /; # Observed from Outlook Express
$enc_str = decode_qp($enc_str);
- } elsif ($encoding eq 'B' or $encoding eq 'b') {
+ } elsif ( $encoding eq 'b' ) {
use MIME::Base64;
$enc_str = decode_base64($enc_str);
} else {
- $RT::Logger->warning("RT::I18N::DecodeMIMEWordsToCharset got a " .
- "strange encoding: $encoding.");
+ $RT::Logger->warning("Incorrect encoding '$encoding' in '$str', "
+ ."only Q(uoted-printable) and B(ase64) are supported");
}
# now we have got a decoded subject, try to convert into the encoding
$str .= $prefix . $enc_str . $trailing;
}
+ # We might have \n without trailing whitespace, which will result in
+ # invalid headers.
+ $str =~ s/\n//g;
+
return ($str)
}
my $head_only = shift;
my $head = $entity->head;
- if ($head->mime_attr("content-type.charset")) {
- return $head->mime_attr("content-type.charset");
+ if ( my $charset = $head->mime_attr("content-type.charset") ) {
+ return $charset;
}
if ( !$head_only and $head->mime_type =~ m{^text/}) {
Encode::Guess->set_suspects(@RT::EmailInputEncodings);
my $decoder = Encode::Guess->guess( $_[0] );
+ if ( defined($decoder) ) {
if ( ref $decoder ) {
$charset = $decoder->name;
$RT::Logger->debug("Guessed encoding: $charset");
else {
$RT::Logger->warning("Encode::Guess failed: $decoder; fallback to $fallback");
}
+ }
+ else {
+ $RT::Logger->warning("Encode::Guess failed: decoder is undefined; fallback to $fallback");
+ }
}
else {
$RT::Logger->warning("Cannot Encode::Guess; fallback to $fallback");
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