# Copyright (C) 2015 all contributors <meta@public-inbox.org>
# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+#
+# Various Message-ID-related functions.
package PublicInbox::MID;
use strict;
use warnings;
use base qw/Exporter/;
-our @EXPORT_OK = qw/mid_clean id_compress mid2path/;
+our @EXPORT_OK = qw/mid_clean id_compress mid2path mid_mime mid_escape/;
+use URI::Escape qw(uri_escape_utf8);
use Digest::SHA qw/sha1_hex/;
use constant MID_MAX => 40; # SHA-1 hex length
my ($id, $force) = @_;
if ($force || $id =~ /[^\w\-]/ || length($id) > MID_MAX) {
+ utf8::encode($id);
return sha1_hex($id);
}
$id;
unless (defined $x38) {
# compatibility with old links (or short Message-IDs :)
- $mid = sha1_hex(mid_clean($mid));
+ $mid = mid_clean($mid);
+ utf8::encode($mid);
+ $mid = sha1_hex($mid);
($x2, $x38) = ($mid =~ /\A([a-f0-9]{2})([a-f0-9]{38})\z/);
}
"$x2/$x38";
}
+sub mid_mime ($) { $_[0]->header_obj->header_raw('Message-ID') }
+
+# RFC3986, section 3.3:
+sub MID_ESC () { '^A-Za-z0-9\-\._~!\$\&\';\(\)\*\+,;=:@' }
+sub mid_escape ($) { uri_escape_utf8($_[0], MID_ESC) }
+
1;