www: admin-configurable CSS via "publicinbox.css"

[public-inbox.git] / lib / PublicInbox / Hval.pm

diff --git a/lib/PublicInbox/Hval.pm b/lib/PublicInbox/Hval.pm
index 72496065d59fc49dba282428fee6885b1438dc2d..0315d759cbf6340c837a1fee5c01a8a8f71b63b6 100644 (file)
--- a/lib/PublicInbox/Hval.pm
+++ b/lib/PublicInbox/Hval.pm
@@ -1,5 +1,5 @@
-# Copyright (C) 2014-2015 all contributors <meta@public-inbox.org>
-# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+# Copyright (C) 2014-2018 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 #
 # represents a header value in various forms.  Used for HTML generation
 # in our web interface(s)
@@ -9,12 +9,7 @@ use warnings;
 use Encode qw(find_encoding);
 use PublicInbox::MID qw/mid_clean mid_escape/;
 use base qw/Exporter/;
-our @EXPORT_OK = qw/ascii_html/;
-
-# for user-generated content (UGC) which may have excessively long lines
-# and screw up rendering on some browsers.  This is the only CSS style
-# feature we use.
-use constant STYLE => '<style>pre{white-space:pre-wrap}</style>';
+our @EXPORT_OK = qw/ascii_html obfuscate_addrs to_filename/;
 
 my $enc_ascii = find_encoding('us-ascii');
 
@@ -31,7 +26,6 @@ sub new {
 
 sub new_msgid {
        my ($class, $msgid) = @_;
-       $msgid = mid_clean($msgid);
        $class->new($msgid, mid_escape($msgid));
 }
 
@@ -87,4 +81,35 @@ sub prurl {
        index($u, '//') == 0 ? "$env->{'psgi.url_scheme'}:$u" : $u;
 }
 
+# for misguided people who believe in this stuff, give them a
+# substitution for '.'
+# &#8228; &#183; and &#890; were also candidates:
+#   https://public-inbox.org/meta/20170615015250.GA6484@starla/
+# However, &#8226; was chosen to make copy+paste errors more obvious
+sub obfuscate_addrs ($$;$) {
+       my $ibx = $_[0];
+       my $repl = $_[2] || '&#8226;';
+       my $re = $ibx->{-no_obfuscate_re}; # regex of domains
+       my $addrs = $ibx->{-no_obfuscate}; # { adddress => 1 }
+       $_[1] =~ s/(([\w\.\+=\-]+)\@([\w\-]+\.[\w\.\-]+))/
+               my ($addr, $user, $domain) = ($1, $2, $3);
+               if ($addrs->{$addr} || ((defined $re && $domain =~ $re))) {
+                       $addr;
+               } else {
+                       $domain =~ s!([^\.]+)\.!$1$repl!;
+                       $user . '@' . $domain
+               }
+               /sge;
+}
+
+# like format_sanitized_subject in git.git pretty.c with '%f' format string
+sub to_filename ($) {
+       my ($s, undef) = split(/\n/, $_[0]);
+       $s =~ s/[^A-Za-z0-9_\.]+/-/g;
+       $s =~ tr/././s;
+       $s =~ s/[\.\-]+\z//;
+       $s =~ s/\A[\.\-]+//;
+       $s
+}
+
 1;