# Copyright (C) 2015 all contributors <meta@public-inbox.org>
# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+#
+# Used by the web interface to link to messages outside of the our
+# public-inboxes. Mail threads may cross projects/threads; so
+# we should ensure users can find more easily find them on other
+# sites.
package PublicInbox::ExtMsg;
use strict;
use warnings;
our @EXT_URL = (
'http://mid.gmane.org/%s',
'https://lists.debian.org/msgid-search/%s',
- 'http://mid.mail-archive.com/%s',
- 'http://marc.info/?i=%s',
+ # leading "//" denotes protocol-relative (http:// or https://)
+ '//mid.mail-archive.com/%s',
+ '//marc.info/?i=%s',
);
sub ext_msg {
# no point in trying the fork fallback if we
# know Xapian is up-to-date but missing the
# message in the current repo
- push @pfx, { srch => $s, url => $url };
+ push @pfx, { git_dir => $git_dir, url => $url };
next;
}
}
my $path = "HEAD:" . mid2path($mid);
foreach my $n (@nox) {
- my @cmd = ('git', "--git-dir=$n->{git_dir}", 'cat-file',
- '-t', $path);
- my $pid = open my $fh, '-|';
- defined $pid or die "fork failed: $!\n";
-
- if ($pid == 0) {
- open STDERR, '>', '/dev/null'; # ignore errors
- exec @cmd or die "exec failed: $!\n";
- } else {
- my $type = eval { local $/; <$fh> };
- close $fh;
- if ($? == 0 && $type eq "blob\n") {
- return r302($n->{url}, $mid);
- }
- }
+ # TODO: reuse existing PublicInbox::Git objects to save forks
+ my $git = PublicInbox::Git->new($n->{git_dir});
+ my (undef, $type, undef) = $git->check($path);
+ return r302($n->{url}, $mid) if ($type && $type eq 'blob');
}
# fall back to partial MID matching
my $n_partial = 0;
my @partial;
- if ($have_xap) {
- my $cgi = $ctx->{cgi};
- my $url = ref($cgi) eq 'CGI' ? $cgi->url(-base) . '/'
- : $cgi->base->as_string;
- $url .= $listname;
- unshift @pfx, { srch => $ctx->{srch}, url => $url };
+
+ eval { require PublicInbox::Msgmap };
+ my $have_mm = $@ ? 0 : 1;
+ my $cgi = $ctx->{cgi};
+ my $base_url = $cgi->base->as_string;
+ if ($have_mm) {
+ my $tmp_mid = $mid;
+ my $url;
+again:
+ $url = $base_url . $listname;
+ unshift @pfx, { git_dir => $ctx->{git_dir}, url => $url };
foreach my $pfx (@pfx) {
- my $srch = delete $pfx->{srch} or next;
- if (my $res = $srch->mid_prefix($mid)) {
+ my $git_dir = delete $pfx->{git_dir} or next;
+ my $mm = eval { PublicInbox::Msgmap->new($git_dir) };
+
+ $mm or next;
+ if (my $res = $mm->mid_prefixes($tmp_mid)) {
$n_partial += scalar(@$res);
$pfx->{res} = $res;
push @partial, $pfx;
}
}
+ # fixup common errors:
+ if (!$n_partial && $tmp_mid =~ s,/[tTf],,) {
+ goto again;
+ }
}
+
my $code = 404;
my $h = PublicInbox::Hval->new_msgid($mid, 1);
my $href = $h->as_href;
if ($n_partial) {
$code = 300;
- $s.= "\nPartial matches found:\n\n";
+ my $es = $n_partial == 1 ? '' : 'es';
+ $s.= "\n$n_partial partial match$es found:\n\n";
foreach my $pfx (@partial) {
my $u = $pfx->{url};
foreach my $m (@{$pfx->{res}}) {
- $h = PublicInbox::Hval->new($m);
- $href = $h->as_href;
- $html = $h->as_html;
- $s .= qq{<a\nhref="$u/$href/">$u/$html/</a>\n};
+ my $p = PublicInbox::Hval->new_msgid($m);
+ my $r = $p->as_href;
+ my $t = $p->as_html;
+ $s .= qq{<a\nhref="$u/$r/">$u/$t/</a>\n};
}
}
}
# Fall back to external repos if configured
- if (@EXT_URL) {
+ if (@EXT_URL && index($mid, '@') >= 0) {
$code = 300;
$s .= "\nPerhaps try an external site:\n\n";
+ my $scheme = $cgi->scheme;
foreach my $u (@EXT_URL) {
+ $u = "$scheme:$u" if $u =~ m!\A//!;
my $r = sprintf($u, $href);
my $t = sprintf($u, $html);
$s .= qq{<a\nhref="$r">$t</a>\n};