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55 our @EXPORT = qw/safe_run_child mime_recommended_filename/;
57 sub safe_run_child (&) {
60 # situation here is wierd, running external app
61 # involves fork+exec. At some point after fork,
62 # but before exec (or during) code can die in a
63 # child. Local is no help here as die throws
64 # error out of scope and locals are reset to old
65 # values. Instead we set values, eval code, check pid
66 # on failure and reset values only in our original
68 my ($oldv_dbh, $oldv_rth);
69 my $dbh = $RT::Handle ? $RT::Handle->dbh : undef;
70 $oldv_dbh = $dbh->{'InactiveDestroy'} if $dbh;
71 $dbh->{'InactiveDestroy'} = 1 if $dbh;
72 $oldv_rth = $RT::Handle->{'DisconnectHandleOnDestroy'} if $RT::Handle;
73 $RT::Handle->{'DisconnectHandleOnDestroy'} = 0 if $RT::Handle;
75 my ($reader, $writer);
76 pipe( $reader, $writer );
82 local @ENV{ 'LANG', 'LC_ALL' } = ( 'C', 'C' );
83 unless ( defined $want ) {
88 @res = ( scalar $code->() );
90 exit 0 if $our_pid != $$;
94 $err =~ s/^Stack:.*$//ms;
95 if ( $our_pid == $$ ) {
96 $dbh->{'InactiveDestroy'} = $oldv_dbh if $dbh;
97 $RT::Handle->{'DisconnectHandleOnDestroy'} = $oldv_rth if $RT::Handle;
98 die "System Error: $err";
100 print $writer "System Error: $err";
106 $reader->blocking(0);
107 my ($response) = $reader->getline;
108 warn $response if $response;
110 $dbh->{'InactiveDestroy'} = $oldv_dbh if $dbh;
111 $RT::Handle->{'DisconnectHandleOnDestroy'} = $oldv_rth if $RT::Handle;
112 return $want? (@res) : $res[0];
115 =head2 mime_recommended_filename( MIME::Head|MIME::Entity )
117 # mimic our own recommended_filename
118 # since MIME-tools 5.501, head->recommended_filename requires the head are
119 # mime encoded, we don't meet this yet.
123 sub mime_recommended_filename {
125 $head = $head->head if $head->isa('MIME::Entity');
127 for my $attr_name (qw( content-disposition.filename content-type.name )) {
128 my $value = Encode::decode("UTF-8",$head->mime_attr($attr_name));
129 if ( defined $value && $value =~ /\S/ ) {
138 return unless utf8::is_utf8($string);
139 return unless $string =~ /([^\x00-\x7F])/;
143 $msg = "Expecting a byte string, but was passed characters";
145 $msg = "Expecting a byte string, but was possibly passed charcters;"
146 ." if the string is actually bytes, please use utf8::downgrade";
148 $RT::Logger->warn($msg, Carp::longmess());
153 RT::Base->_ImportOverlays();