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-rw-r--r--MANIFEST1
-rw-r--r--lib/PublicInbox/ContentId.pm9
-rw-r--r--lib/PublicInbox/MsgIter.pm25
-rw-r--r--lib/PublicInbox/SearchIdx.pm14
-rw-r--r--lib/PublicInbox/View.pm25
-rw-r--r--t/psgi_multipart_not.t65
6 files changed, 95 insertions, 44 deletions
diff --git a/MANIFEST b/MANIFEST
index dc851676..f25a580f 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -189,6 +189,7 @@ t/precheck.t
 t/psgi_attach.t
 t/psgi_bad_mids.t
 t/psgi_mount.t
+t/psgi_multipart_not.t
 t/psgi_search.t
 t/psgi_text.t
 t/psgi_v2.t
diff --git a/lib/PublicInbox/ContentId.pm b/lib/PublicInbox/ContentId.pm
index b1d27eb8..dd3155be 100644
--- a/lib/PublicInbox/ContentId.pm
+++ b/lib/PublicInbox/ContentId.pm
@@ -75,14 +75,7 @@ sub content_digest ($) {
                 }
                 $dig->add("b\0");
                 my $ct = $part->content_type || 'text/plain';
-                my $s = eval { $part->body_str };
-                if ($@ && $ct =~ m!\btext/plain\b!i) {
-                        # Try to assume UTF-8 because Alpine
-                        # seems to do wacky things and set
-                        # charset=X-UNKNOWN
-                        $part->charset_set('UTF-8');
-                        $s = eval { $part->body_str };
-                }
+                my ($s, undef) = msg_part_text($part, $ct);
                 if (defined $s) {
                         $s =~ s/\r\n/\n/gs;
                         $s =~ s/\s*\z//s;
diff --git a/lib/PublicInbox/MsgIter.pm b/lib/PublicInbox/MsgIter.pm
index a795f617..9e2d797f 100644
--- a/lib/PublicInbox/MsgIter.pm
+++ b/lib/PublicInbox/MsgIter.pm
@@ -5,7 +5,7 @@ package PublicInbox::MsgIter;
 use strict;
 use warnings;
 use base qw(Exporter);
-our @EXPORT = qw(msg_iter);
+our @EXPORT = qw(msg_iter msg_part_text);
 use PublicInbox::MIME;
 
 # Like Email::MIME::walk_parts, but this is:
@@ -34,4 +34,27 @@ sub msg_iter ($$) {
         }
 }
 
+sub msg_part_text ($$) {
+        my ($part, $ct) = @_;
+
+        my $s = eval { $part->body_str };
+        my $err = $@;
+
+        # text/plain is the default, multipart/mixed happened a few
+        # times when it should not have been:
+        #   <87llgalspt.fsf@free.fr>
+        #   <200308111450.h7BEoOu20077@mail.osdl.org>
+        if ($ct =~ m!\btext/plain\b!i || $ct =~ m!\bmultipart/mixed\b!i) {
+                # Try to assume UTF-8 because Alpine seems to
+                # do wacky things and set charset=X-UNKNOWN
+                $part->charset_set('UTF-8');
+                $s = eval { $part->body_str };
+
+                # If forcing charset=UTF-8 failed,
+                # caller will warn further down...
+                $s = $part->body if $@;
+        }
+        ($s, $err);
+}
+
 1;
diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index ca832ad3..76f3f33a 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -305,19 +305,7 @@ sub add_xapian ($$$$$) {
                         $self->index_text($fn, 1, 'XFN');
                 }
 
-                return if $ct =~ m!\btext/x?html\b!i;
-
-                my $s = eval { $part->body_str };
-                if ($@) {
-                        if ($ct =~ m!\btext/plain\b!i) {
-                                # Try to assume UTF-8 because Alpine
-                                # seems to do wacky things and set
-                                # charset=X-UNKNOWN
-                                $part->charset_set('UTF-8');
-                                $s = eval { $part->body_str };
-                                $s = $part->body if $@;
-                        }
-                }
+                my ($s, undef) = msg_part_text($part, $ct);
                 defined $s or return;
 
                 my (@orig, @quot);
diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 86acd824..bb49c035 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -543,33 +543,14 @@ sub add_text_body {
         my ($part, $depth) = @$p; # attachment @idx is unused
         my $ct = $part->content_type || 'text/plain';
         my $fn = $part->filename;
+        my ($s, $err) = msg_part_text($part, $ct);
 
-        if ($ct =~ m!\btext/x?html\b!i) {
-                return attach_link($upfx, $ct, $p, $fn);
-        }
-
-        my $s = eval { $part->body_str };
-
-        # badly-encoded message? tell the world about it!
-        my $err = $@;
-        if ($err) {
-                if ($ct =~ m!\btext/plain\b!i) {
-                        # Try to assume UTF-8 because Alpine seems to
-                        # do wacky things and set charset=X-UNKNOWN
-                        $part->charset_set('UTF-8');
-                        $s = eval { $part->body_str };
-
-                        # If forcing charset=UTF-8 failed,
-                        # attach_link will warn further down...
-                        $s = $part->body if $@;
-                } else {
-                        return attach_link($upfx, $ct, $p, $fn);
-                }
-        }
+        return attach_link($upfx, $ct, $p, $fn) unless defined $s;
 
         my @lines = split(/^/m, $s);
         $s = '';
         if (defined($fn) || $depth > 0 || $err) {
+                # badly-encoded message with $err? tell the world about it!
                 $s .= attach_link($upfx, $ct, $p, $fn, $err);
                 $s .= "\n";
         }
diff --git a/t/psgi_multipart_not.t b/t/psgi_multipart_not.t
new file mode 100644
index 00000000..4c9fa57a
--- /dev/null
+++ b/t/psgi_multipart_not.t
@@ -0,0 +1,65 @@
+# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict;
+use warnings;
+use Test::More;
+use File::Temp qw/tempdir/;
+use Email::MIME;
+use PublicInbox::Config;
+use PublicInbox::WWW;
+my @mods = qw(DBD::SQLite Search::Xapian HTTP::Request::Common
+              Plack::Test URI::Escape Plack::Builder Plack::Test);
+foreach my $mod (@mods) {
+        eval "require $mod";
+        plan skip_all => "$mod missing for psgi_multipart_not.t" if $@;
+}
+use_ok($_) for @mods;
+use_ok 'PublicInbox::V2Writable';
+my $repo = tempdir('pi-psgi-multipart-not.XXXXXX', TMPDIR => 1, CLEANUP => 1);
+my $ibx = PublicInbox::Inbox->new({
+        mainrepo => $repo,
+        name => 'multipart-not',
+        version => 2,
+        -primary_address => 'test@example.com',
+});
+my $im = PublicInbox::V2Writable->new($ibx, 1);
+$im->{parallel} = 0;
+
+my $mime = PublicInbox::MIME->new(<<'EOF');
+Message-Id: <200308111450.h7BEoOu20077@mail.osdl.org>
+To: linux-kernel@vger.kernel.org
+Subject: [OSDL] linux-2.6.0-test3 reaim results
+Mime-Version: 1.0
+Content-Type: multipart/mixed ;
+        boundary="==_Exmh_120757360"
+Date: Mon, 11 Aug 2003 07:50:24 -0700
+From: exmh user <x@example.com>
+
+Freed^Wmultipart ain't what it used to be
+EOF
+
+ok($im->add($mime), 'added broken multipart message');
+$im->done;
+
+my $cfgpfx = "publicinbox.v2test";
+my $cfg = {
+        "$cfgpfx.address" => $ibx->{-primary_address},
+        "$cfgpfx.mainrepo" => $repo,
+};
+my $config = PublicInbox::Config->new($cfg);
+my $www = PublicInbox::WWW->new($config);
+
+my ($res, $raw);
+test_psgi(sub { $www->call(@_) }, sub {
+        my ($cb) = @_;
+        for my $u ('/v2test/?q=%22ain\'t what it used to be%22&x=t',
+                   '/v2test/new.atom', '/v2test/new.html') {
+                $res = $cb->(GET($u));
+                $raw = $res->content;
+                ok(index($raw, 'Freed^Wmultipart') >= 0, $u);
+                ok(index($raw, 'Warning: decoded text') >= 0, $u.' warns');
+        }
+});
+
+done_testing();
+1;