package Debbugs::MIME;
+=encoding utf8
+
=head1 NAME
Debbugs::MIME -- Mime handling routines for debbugs
use warnings;
use strict;
-use base qw(Exporter);
+use Exporter qw(import);
use vars qw($DEBUG $VERSION @EXPORT_OK %EXPORT_TAGS @EXPORT);
BEGIN {
@EXPORT = ();
- %EXPORT_TAGS = (mime => [qw(parse create_mime_message getmailbody)],
+ %EXPORT_TAGS = (mime => [qw(parse create_mime_message getmailbody),
+ qw(parse_to_mime_entity),
+ ],
rfc1522 => [qw(decode_rfc1522 encode_rfc1522)],
);
@EXPORT_OK=();
$EXPORT_TAGS{all} = [@EXPORT_OK];
}
-use File::Path;
-use File::Temp qw();
+use File::Path qw(remove_tree);
+use File::Temp qw(tempdir);
use MIME::Parser;
use POSIX qw(strftime);
-use List::MoreUtils qw(apply);
+use List::AllUtils qw(apply);
# for convert_to_utf8
use Debbugs::UTF8 qw(convert_to_utf8);
-# for decode_rfc1522
-use MIME::WordDecoder qw();
+# for decode_rfc1522 and encode_rfc1522
use Encode qw(decode encode encode_utf8 decode_utf8 is_utf8);
-
-# for encode_rfc1522
use MIME::Words qw();
sub getmailbody
return undef;
}
+=head2 parse_to_mime_entity
+
+ $entity = parse_to_mime_entity($record);
+
+Returns a MIME::Entity from a record (from Debbugs::Log), a filehandle, or a
+scalar mail message. Will die upon failure.
+
+Intermediate parsing results will be output under a temporary directory which
+should be cleaned up upon process exit.
+
+=cut
+
+sub parse_to_mime_entity {
+ my ($record) = @_;
+ my $parser = MIME::Parser->new();
+ my $entity;
+ # this will be cleaned up once we exit
+ my $tempdir = File::Temp->newdir();
+ $parser->output_dir($tempdir->dirname());
+ if (ref($record) eq 'HASH') {
+ if ($record->{inner_file}) {
+ $entity = $parser->parse($record->{fh}) or
+ die "Unable to parse entity";
+ } else {
+ $entity = $parser->parse_data($record->{text}) or
+ die "Unable to parse entity";
+ }
+ } elsif (ref($record)) {
+ $entity = $parser->parse($record) or
+ die "Unable to parse entity";
+ } else {
+ $entity = $parser->parse_data($record) or
+ die "Unable to parse entity";
+ }
+ return $entity;
+}
+
sub parse
{
# header and decoded body respectively
my (@headerlines, @bodylines);
my $parser = MIME::Parser->new();
- my $tempdir = File::Temp::tempdir();
+ my $tempdir = tempdir(CLEANUP => 1);
$parser->output_under($tempdir);
my $entity = eval { $parser->parse_data($_[0]) };
my @msg = split /\n/, $_[0];
my $i;
+ # assume us-ascii unless charset is set; probably bad, but we
+ # really shouldn't get to this point anyway
+ my $charset = 'us-ascii';
for ($i = 0; $i <= $#msg; ++$i) {
$_ = $msg[$i];
last unless length;
++$i;
$_ .= "\n" . $msg[$i];
}
+ if (/charset=\"([^\"]+)\"/) {
+ $charset = $1;
+ }
push @headerlines, $_;
}
-
- @bodylines = @msg[$i .. $#msg];
+ @bodylines = map {convert_to_utf8($_,$charset)} @msg[$i .. $#msg];
}
- rmtree $tempdir, 0, 1;
+ remove_tree($tempdir,{verbose => 0, safe => 1});
# Remove blank lines.
shift @bodylines while @bodylines and $bodylines[0] !~ /\S/;
die "The third argument to create_mime_message must be an arrayref" unless ref($attachments) eq 'ARRAY';
if ($include_date) {
- my %headers = apply {lc($_)} @{$headers};
+ my %headers = apply {defined $_ ? lc($_) : ''} @{$headers};
if (not exists $headers{date}) {
push @{$headers},
('Date',
# MIME::Entity is stupid, and doesn't rfc1522 encode its headers, so we do it for it.
my $msg = MIME::Entity->build('Content-Type' => 'text/plain; charset=utf-8',
'Encoding' => 'quoted-printable',
- (map{encode_rfc1522($_)} @{$headers}),
- Data => is_utf8($body)?encode_utf8($body):$body,
+ (map{encode_rfc1522(encode_utf8(defined $_ ? $_:''))} @{$headers}),
+ Data => encode_utf8($body),
);
# Attach the attachments
=cut
-BEGIN {
- # Set up the default RFC1522 decoder, which turns all charsets that
- # are supported into the appropriate UTF-8 charset.
- MIME::WordDecoder->default(new MIME::WordDecoder(
- ['*' => \&convert_to_utf8,
- ]));
-}
-
sub decode_rfc1522 {
my ($string) = @_;
# this is craptacular, but leading space is hacked off by unmime.
# Save it.
my $leading_space = '';
- $leading_space = $1 if $string =~ s/^(\s+)//;
- # unmime calls the default MIME::WordDecoder handler set up at
- # initialization time.
- return $leading_space . MIME::WordDecoder::unmime($string);
+ $leading_space = $1 if $string =~ s/^(\ +)//;
+ # we must do this to switch off the utf8 flag before calling decode_mimewords
+ $string = encode_utf8($string);
+ my @mime_words = MIME::Words::decode_mimewords($string);
+ my $tmp = $leading_space .
+ join('',
+ (map {
+ if (@{$_} > 1) {
+ convert_to_utf8(${$_}[0],${$_}[1]);
+ } else {
+ decode_utf8(${$_}[0]);
+ }
+ } @mime_words)
+ );
+ return $tmp;
}
=head2 encode_rfc1522
# handle being passed undef properly
return undef if not defined $rawstr;
- if (is_utf8($rawstr)) {
- $rawstr= encode_utf8($rawstr);
- }
+
+ # convert to octets if we are given a string in perl's internal
+ # encoding
+ $rawstr= encode_utf8($rawstr) if is_utf8($rawstr);
# We process words in reverse so we can preserve spacing between
# encoded words. This regex splits on word|nonword boundaries and
# nonword|nonword boundaries. We also consider parenthesis and "
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