# BEGIN BPS TAGGED BLOCK {{{
-#
+#
# COPYRIGHT:
-#
-# This software is Copyright (c) 1996-2005 Best Practical Solutions, LLC
-# <jesse@bestpractical.com>
-#
+#
+# This software is Copyright (c) 1996-2014 Best Practical Solutions, LLC
+# <sales@bestpractical.com>
+#
# (Except where explicitly superseded by other copyright notices)
-#
-#
+#
+#
# LICENSE:
-#
+#
# This work is made available to you under the terms of Version 2 of
# the GNU General Public License. A copy of that license should have
# been provided with this software, but in any event can be snarfed
# from www.gnu.org.
-#
+#
# This work is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
-#
+#
# 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/licenses/old-licenses/gpl-2.0.html.
+#
+#
# CONTRIBUTION SUBMISSION POLICY:
-#
+#
# (The following paragraph is not intended to limit the rights granted
# to you to modify and distribute this software under the terms of
# the GNU General Public License and is only of importance to you if
# you choose to contribute your changes and enhancements to the
# community by submitting them to Best Practical Solutions, LLC.)
-#
+#
# By intentionally submitting any modifications, corrections or
# derivatives to this work, or any other work intended for use with
# Request Tracker, to Best Practical Solutions, LLC, you confirm that
# royalty-free, perpetual, license to use, copy, create derivative
# works based on those contributions, and sublicense and distribute
# those contributions and any derivatives thereof.
-#
+#
# END BPS TAGGED BLOCK }}}
=head1 NAME
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 );
+use base 'Locale::Maketext::Fuzzy';
-#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;
+use File::Glob;
# I decree that this project's first language is English.
-%Lexicon = (
+our %Lexicon = (
'TEST_STRING' => 'Concrete Mixer',
'__Content-Type' => 'text/plain; charset=utf-8',
Initializes the lexicons used for localization.
-=begin testing
-
-use_ok (RT::I18N);
-ok(RT::I18N->Init);
-
-=end testing
=cut
sub Init {
- require File::Glob;
+
+ my @lang = RT->Config->Get('LexiconLanguages');
+ @lang = ('*') unless @lang;
+
+ # load default functions
+ require substr(__FILE__, 0, -3) . '/i_default.pm';
# Load language-specific functions
- foreach my $language ( File::Glob::bsd_glob(substr(__FILE__, 0, -3) . "/*.pm")) {
- if ($language =~ /^([-\w\s.\/\\~:]+)$/) {
- require $1;
+ foreach my $file ( File::Glob::bsd_glob(substr(__FILE__, 0, -3) . "/*.pm") ) {
+ unless ( $file =~ /^([-\w\s\.\/\\~:]+)$/ ) {
+ warn("$file is tainted. not loading");
+ next;
}
- else {
- warn("$language is tainted. not loading");
- }
+ $file = $1;
+
+ my ($lang) = ($file =~ /([^\\\/]+?)\.pm$/);
+ next unless grep $_ eq '*' || $_ eq $lang, @lang;
+ require $file;
}
- my @lang = @RT::LexiconLanguages;
- @lang = ('*') unless @lang;
+ my %import;
+ foreach my $l ( @lang ) {
+ $import{$l} = [
+ Gettext => $RT::LexiconPath."/$l.po",
+ ];
+ push @{ $import{$l} }, map {(Gettext => "$_/$l.po")} RT->PluginDirs('po');
+ push @{ $import{$l} }, (Gettext => $RT::LocalLexiconPath."/*/$l.po",
+ Gettext => $RT::LocalLexiconPath."/$l.po");
+ }
# Acquire all .po files and iterate them into lexicons
- Locale::Maketext::Lexicon->import({
- _decode => 1, map {
- $_ => [
- Gettext => (substr(__FILE__, 0, -3) . "/$_.po"),
- Gettext => "$RT::LocalLexiconPath/*/$_.po",
- Gettext => "$RT::LocalLexiconPath/$_.po",
- ],
- } @lang
- });
+ Locale::Maketext::Lexicon->import({ _decode => 1, %import });
return 1;
}
+sub LoadLexicons {
+
+ no strict 'refs';
+ foreach my $k (keys %{RT::I18N::} ) {
+ next if $k eq 'main::';
+ next unless index($k, '::', -2) >= 0;
+ next unless exists ${ 'RT::I18N::'. $k }{'Lexicon'};
+
+ my $lex = *{ ${'RT::I18N::'. $k }{'Lexicon'} }{HASH};
+ # run fetch to force load
+ my $tmp = $lex->{'foo'};
+ # XXX: untie may fail with "untie attempted
+ # while 1 inner references still exist"
+ # TODO: untie that has to lower fetch impact
+ # untie %$lex if tied %$lex;
+ }
+}
+
=head2 encoding
Returns the encoding of the current lexicon, as yanked out of __ContentType's "charset" field.
If it can't find anything, it returns 'ISO-8859-1'
-=begin testing
-
-ok(my $chinese = RT::I18N->get_handle('zh_tw'));
-ok(UNIVERSAL::can($chinese, 'maketext'));
-ok($chinese->maketext('__Content-Type') =~ /utf-8/i, "Found the utf-8 charset for traditional chinese in the string ".$chinese->maketext('__Content-Type'));
-ok($chinese->encoding eq 'utf-8', "The encoding is 'utf-8' -".$chinese->encoding);
-
-ok(my $en = RT::I18N->get_handle('en'));
-ok(UNIVERSAL::can($en, 'maketext'));
-ok($en->encoding eq 'utf-8', "The encoding ".$en->encoding." is 'utf-8'");
-
-=end testing
=cut
sub encoding { 'utf-8' }
-# {{{ SetMIMEEntityToUTF8
=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
RT::I18N::SetMIMEEntityToEncoding(shift, 'utf-8');
}
-# }}}
-# {{{ SetMIMEEntityToEncoding
+
+=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;
+}
+
=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 $head = $entity->head;
- my $charset = _FindOrGuessCharset($entity) or return;
- # one and only normalization
- $charset = 'utf-8' if $charset =~ /^utf-?8$/i;
- $enc = 'utf-8' if $enc =~ /^utf-?8$/i;
+ my $charset = _FindOrGuessCharset($entity);
+ if ( $charset ) {
+ unless( Encode::find_encoding($charset) ) {
+ $RT::Logger->warning("Encoding '$charset' is not supported");
+ $charset = undef;
+ }
+ }
+ unless ( $charset ) {
+ $head->replace( "X-RT-Original-Content-Type" => $head->mime_attr('Content-Type') );
+ $head->mime_attr('Content-Type' => 'application/octet-stream');
+ return;
+ }
SetMIMEHeadToEncoding(
- $entity->head,
+ $head,
_FindOrGuessCharset($entity, 1) => $enc,
$preserve_words
);
- my $head = $entity->head;
-
- # convert at least MIME word encoded attachment filename
- foreach my $attr (qw(content-type.name content-disposition.filename)) {
- if ( my $name = $head->mime_attr($attr) and !$preserve_words ) {
- $head->mime_attr( $attr => DecodeMIMEWordsToUTF8($name) );
- }
- }
-
# 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/;
-
+ $head->replace( "X-RT-Original-Encoding" => $charset )
+ 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;
- if ( $enc ne $charset && $body) {
- my @lines = $body->as_lines or return;
+ if ( $body && ($enc ne $charset || $enc =~ /^utf-?8(?:-strict)?$/i) ) {
+ my $string = $body->as_string or return;
- # {{{ Convert the body
- eval {
- $RT::Logger->debug("Converting '$charset' to '$enc' for ". $head->mime_type . " - ". ($head->get('subject') || 'Subjectless message'));
+ $RT::Logger->debug( "Converting '$charset' to '$enc' for "
+ . $head->mime_type . " - "
+ . ( $head->get('subject') || 'Subjectless message' ) );
- # NOTE:: see the comments at the end of the sub.
- Encode::_utf8_off( $lines[$_] ) foreach ( 0 .. $#lines );
- Encode::from_to( $lines[$_], $charset => $enc ) for ( 0 .. $#lines );
- };
+ # NOTE:: see the comments at the end of the sub.
+ Encode::_utf8_off($string);
+ Encode::from_to( $string, $charset => $enc );
- if ($@) {
- $RT::Logger->error( "Encoding error: " . $@ . " defaulting to ISO-8859-1 -> UTF-8" );
- eval {
- Encode::from_to( $lines[$_], 'iso-8859-1' => $enc ) foreach ( 0 .. $#lines );
- };
- if ($@) {
- $RT::Logger->crit( "Totally failed to convert to utf-8: " . $@ . " I give up" );
- }
- }
- # }}}
-
- my $new_body = MIME::Body::InCore->new( \@lines );
+ my $new_body = MIME::Body::InCore->new($string);
# set up the new entity
$head->mime_attr( "content-type" => 'text/plain' )
# Not turning off the UTF-8 flag in the string will prevent the string
# from conversion.
-# }}}
-# {{{ DecodeMIMEWordsToUTF8
=head2 DecodeMIMEWordsToUTF8 $raw
sub DecodeMIMEWordsToUTF8 {
my $str = shift;
- DecodeMIMEWordsToEncoding($str, 'utf-8');
+ return DecodeMIMEWordsToEncoding($str, 'utf-8', @_);
}
sub DecodeMIMEWordsToEncoding {
my $str = shift;
- my $enc = shift;
-
- @_ = $str =~ m/(.*?)=\?([^?]+)\?([QqBb])\?([^?]+)\?=([^=]*)/gc;
- return ($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);
-
- $trailing =~ s/\s?\t?$//; # Observed from Outlook Express
-
- if ($encoding eq 'Q' or $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') {
- use MIME::Base64;
- $enc_str = decode_base64($enc_str);
- } else {
- $RT::Logger->warning("RT::I18N::DecodeMIMEWordsToCharset got a " .
- "strange encoding: $encoding.");
- }
-
- # now we have got a decoded subject, try to convert into the encoding
- unless ($charset eq $enc) {
- eval { Encode::from_to($enc_str, $charset, $enc) };
- if ($@) {
- $charset = _GuessCharset( $enc_str );
- Encode::from_to($enc_str, $charset, $enc);
- }
- }
-
- # XXX TODO: RT doesn't currently do the right thing with mime-encoded headers
- # We _should_ be preserving them encoded until after parsing is completed and
- # THEN undo the mime-encoding.
- #
- # This routine should be translating the existing mimeencoding to utf8 but leaving
- # things encoded.
- #
- # It's legal for headers to contain mime-encoded commas and semicolons which
- # should not be treated as address separators. (Encoding == quoting here)
- #
- # until this is fixed, we must escape any string containing a comma or semicolon
- # this is only a bandaid
-
- $enc_str = qq{"$enc_str"} if ($enc_str =~ /[,;]/);
- $str .= $prefix . $enc_str . $trailing;
+ my $to_charset = _CanonicalizeCharset(shift);
+ my $field = shift || '';
+
+ # handle filename*=ISO-8859-1''%74%E9%73%74%2E%74%78%74, parameter value
+ # continuations, and similar syntax from RFC 2231
+ if ($field =~ /^Content-(Type|Disposition)/i) {
+ # This concatenates continued parameters and normalizes encoded params
+ # to QB encoded-words which we handle below
+ $str = MIME::Field::ParamVal->parse($str)->stringify;
+ }
+
+ # Pre-parse by removing all whitespace between encoded words
+ my $encoded_word = qr/
+ =\? # =?
+ ([^?]+?) # charset
+ (?:\*[^?]+)? # optional '*language'
+ \? # ?
+ ([QqBb]) # encoding
+ \? # ?
+ ([^?]+) # encoded string
+ \?= # ?=
+ /x;
+ $str =~ s/($encoded_word)\s+(?=$encoded_word)/$1/g;
+
+ # Also merge quoted-printable sections together, in case multiple
+ # octets of a single encoded character were split between chunks.
+ # Though not valid according to RFC 2047, this has been seen in the
+ # wild.
+ 1 while $str =~ s/(=\?[^?]+\?[Qq]\?)([^?]+)\?=\1([^?]+)\?=/$1$2$3?=/i;
+
+ # XXX TODO: use decode('MIME-Header', ...) and Encode::Alias to replace our
+ # custom MIME word decoding and charset canonicalization. We can't do this
+ # until we parse before decode, instead of the other way around.
+ my @list = $str =~ m/(.*?) # prefix
+ $encoded_word
+ ([^=]*) # trailing
+ /xgcs;
+
+ if ( @list ) {
+ # add everything that hasn't matched to the end of the latest
+ # string in array this happen when we have 'key="=?encoded?="; key="plain"'
+ $list[-1] .= substr($str, pos $str);
+
+ $str = "";
+ while (@list) {
+ my ($prefix, $charset, $encoding, $enc_str, $trailing) =
+ splice @list, 0, 5;
+ $charset = _CanonicalizeCharset($charset);
+ $encoding = lc $encoding;
+
+ $trailing =~ s/\s?\t?$//; # Observed from Outlook Express
+
+ if ( $encoding eq 'q' ) {
+ use MIME::QuotedPrint;
+ $enc_str =~ tr/_/ /; # Observed from Outlook Express
+ $enc_str = decode_qp($enc_str);
+ } elsif ( $encoding eq 'b' ) {
+ use MIME::Base64;
+ $enc_str = decode_base64($enc_str);
+ } else {
+ $RT::Logger->warning("Incorrect encoding '$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
+ if ( $charset ne $to_charset || $charset =~ /^utf-?8(?:-strict)?$/i ) {
+ if ( Encode::find_encoding($charset) ) {
+ Encode::from_to( $enc_str, $charset, $to_charset );
+ } else {
+ $RT::Logger->warning("Charset '$charset' is not supported");
+ $enc_str =~ s/[^[:print:]]/\357\277\275/g;
+ Encode::from_to( $enc_str, 'UTF-8', $to_charset )
+ unless $to_charset eq 'utf-8';
+ }
+ }
+
+ # XXX TODO: RT doesn't currently do the right thing with mime-encoded headers
+ # We _should_ be preserving them encoded until after parsing is completed and
+ # THEN undo the mime-encoding.
+ #
+ # This routine should be translating the existing mimeencoding to utf8 but leaving
+ # things encoded.
+ #
+ # It's legal for headers to contain mime-encoded commas and semicolons which
+ # should not be treated as address separators. (Encoding == quoting here)
+ #
+ # until this is fixed, we must escape any string containing a comma or semicolon
+ # this is only a bandaid
+
+ # Some _other_ MUAs encode quotes _already_, and double quotes
+ # confuse us a lot, so only quote it if it isn't quoted
+ # already.
+ $enc_str = qq{"$enc_str"}
+ if $enc_str =~ /[,;]/
+ and $enc_str !~ /^".*"$/
+ and $prefix !~ /"$/ and $trailing !~ /^"/
+ and (!$field || $field =~ /^(?:To$|From$|B?Cc$|Content-)/i);
+
+ $str .= $prefix . $enc_str . $trailing;
+ }
}
+ # We might have \n without trailing whitespace, which will result in
+ # invalid headers.
+ $str =~ s/\n//g;
+
return ($str)
}
-# }}}
-# {{{ _FindOrGuessCharset
=head2 _FindOrGuessCharset MIME::Entity, $head_only
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 = $head->mime_attr("content-type.charset") ) {
+ return _CanonicalizeCharset($charset);
}
- if ( !$head_only and $head->mime_type =~ m{^text/}) {
- my $body = $entity->bodyhandle or return;
- return _GuessCharset( $body->as_string );
+ if ( !$head_only and $head->mime_type =~ m{^text/} ) {
+ my $body = $entity->bodyhandle or return;
+ return _GuessCharset( $body->as_string );
}
else {
- # potentially binary data -- don't guess the body
- return _GuessCharset( $head->as_string );
+
+ # potentially binary data -- don't guess the body
+ return _GuessCharset( $head->as_string );
}
}
-# }}}
-# {{{ _GuessCharset
=head2 _GuessCharset STRING
=cut
+use constant HAS_ENCODE_GUESS => do { local $@; eval { require Encode::Guess; 1 } };
+use constant HAS_ENCODE_DETECT => do { local $@; eval { require Encode::Detect::Detector; 1 } };
+
sub _GuessCharset {
- my $fallback = 'iso-8859-1';
- my $charset;
-
- if ( @RT::EmailInputEncodings and eval { require Encode::Guess; 1 } ) {
- Encode::Guess->set_suspects(@RT::EmailInputEncodings);
- my $decoder = Encode::Guess->guess( $_[0] );
-
- if ( ref $decoder ) {
- $charset = $decoder->name;
- $RT::Logger->debug("Guessed encoding: $charset");
- return $charset;
- }
- elsif ($decoder =~ /(\S+ or .+)/) {
- my %matched = map { $_ => 1 } split(/ or /, $1);
- return 'utf-8' if $matched{'utf8'}; # one and only normalization
-
- foreach my $suspect (@RT::EmailInputEncodings) {
- next unless $matched{$suspect};
- $RT::Logger->debug("Encode::Guess ambiguous ($decoder); using $suspect");
- $charset = $suspect;
- last;
- }
- }
- else {
- $RT::Logger->warning("Encode::Guess failed: $decoder; fallback to $fallback");
- }
+ my $fallback = _CanonicalizeCharset('iso-8859-1');
+
+ # if $_[0] is null/empty, we don't guess its encoding
+ return $fallback
+ unless defined $_[0] && length $_[0];
+
+ my @encodings = RT->Config->Get('EmailInputEncodings');
+ unless ( @encodings ) {
+ $RT::Logger->warning("No EmailInputEncodings set, fallback to $fallback");
+ return $fallback;
+ }
+
+ if ( $encodings[0] eq '*' ) {
+ shift @encodings;
+ if ( HAS_ENCODE_DETECT ) {
+ my $charset = Encode::Detect::Detector::detect( $_[0] );
+ if ( $charset ) {
+ $RT::Logger->debug("Encode::Detect::Detector guessed encoding: $charset");
+ return _CanonicalizeCharset( Encode::resolve_alias( $charset ) );
+ }
+ else {
+ $RT::Logger->debug("Encode::Detect::Detector failed to guess encoding");
+ }
+ }
+ else {
+ $RT::Logger->error(
+ "You requested to guess encoding, but we couldn't"
+ ." load Encode::Detect::Detector module"
+ );
+ }
+ }
+
+ unless ( @encodings ) {
+ $RT::Logger->warning("No EmailInputEncodings set except '*', fallback to $fallback");
+ return $fallback;
+ }
+
+ unless ( HAS_ENCODE_GUESS ) {
+ $RT::Logger->error("We couldn't load Encode::Guess module, fallback to $fallback");
+ return $fallback;
+ }
+
+ Encode::Guess->set_suspects( @encodings );
+ my $decoder = Encode::Guess->guess( $_[0] );
+ unless ( defined $decoder ) {
+ $RT::Logger->warning("Encode::Guess failed: decoder is undefined; fallback to $fallback");
+ return $fallback;
+ }
+
+ if ( ref $decoder ) {
+ my $charset = $decoder->name;
+ $RT::Logger->debug("Encode::Guess guessed encoding: $charset");
+ return _CanonicalizeCharset( $charset );
+ }
+ elsif ($decoder =~ /(\S+ or .+)/) {
+ my %matched = map { $_ => 1 } split(/ or /, $1);
+ return 'utf-8' if $matched{'utf8'}; # one and only normalization
+
+ foreach my $suspect (RT->Config->Get('EmailInputEncodings')) {
+ next unless $matched{$suspect};
+ $RT::Logger->debug("Encode::Guess ambiguous ($decoder); using $suspect");
+ return _CanonicalizeCharset( $suspect );
+ }
}
else {
- $RT::Logger->warning("Cannot Encode::Guess; fallback to $fallback");
+ $RT::Logger->warning("Encode::Guess failed: $decoder; fallback to $fallback");
}
- return($charset || $fallback);
+ return $fallback;
}
-# }}}
+=head2 _CanonicalizeCharset NAME
+
+canonicalize charset, return lowercase version.
+special cases are: gb2312 => gbk, utf8 => utf-8
+
+=cut
+
+sub _CanonicalizeCharset {
+ my $charset = lc shift;
+ return $charset unless $charset;
+
+ # Canonicalize aliases if they're known
+ if (my $canonical = Encode::resolve_alias($charset)) {
+ $charset = $canonical;
+ }
+
+ if ( $charset eq 'utf8' || $charset eq 'utf-8-strict' ) {
+ return 'utf-8';
+ }
+ elsif ( $charset eq 'euc-cn' ) {
+ # gbk is superset of gb2312/euc-cn so it's safe
+ return 'gbk';
+ # XXX TODO: gb18030 is an even larger, more permissive superset of gbk,
+ # but needs Encode::HanExtra installed
+ }
+ else {
+ return $charset;
+ }
+}
-# {{{ SetMIMEHeadToEncoding
=head2 SetMIMEHeadToEncoding HEAD OLD_CHARSET NEW_CHARSET
sub SetMIMEHeadToEncoding {
my ( $head, $charset, $enc, $preserve_words ) = ( shift, shift, shift, shift );
- $charset = 'utf-8' if $charset eq 'utf8';
- $enc = 'utf-8' if $enc eq 'utf8';
+ $charset = _CanonicalizeCharset($charset);
+ $enc = _CanonicalizeCharset($enc);
return if $charset eq $enc and $preserve_words;
my @values = $head->get_all($tag);
$head->delete($tag);
foreach my $value (@values) {
- if ( $charset ne $enc ) {
-
- eval {
- Encode::_utf8_off($value);
- Encode::from_to( $value, $charset => $enc );
- };
- if ($@) {
- $RT::Logger->error( "Encoding error: " . $@
- . " defaulting to ISO-8859-1 -> UTF-8" );
- eval { Encode::from_to( $value, 'iso-8859-1' => $enc ) };
- if ($@) {
- $RT::Logger->crit( "Totally failed to convert to utf-8: " . $@ . " I give up" );
- }
- }
+ if ( $charset ne $enc || $enc =~ /^utf-?8(?:-strict)?$/i ) {
+ Encode::_utf8_off($value);
+ Encode::from_to( $value, $charset => $enc );
}
- $value = DecodeMIMEWordsToEncoding( $value, $enc ) unless $preserve_words;
- $head->add( $tag, $value );
+ $value = DecodeMIMEWordsToEncoding( $value, $enc, $tag )
+ unless $preserve_words;
+
+ # We intentionally add a leading space when re-adding the
+ # header; Mail::Header strips it before storing, but it
+ # serves to prevent it from "helpfully" canonicalizing
+ # $head->add("Subject", "Subject: foo") into the same as
+ # $head->add("Subject", "foo");
+ $head->add( $tag, " " . $value );
}
}
}
-# }}}
-eval "require RT::I18N_Vendor";
-die $@ if ($@ && $@ !~ qr{^Can't locate RT/I18N_Vendor.pm});
-eval "require RT::I18N_Local";
-die $@ if ($@ && $@ !~ qr{^Can't locate RT/I18N_Local.pm});
+RT::Base->_ImportOverlays();
1; # End of module.
projects / freeside.git / blobdiff