X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=lib%2FPublicInbox%2FWwwAttach.pm;h=87844bf3f0e466a1b686f4e54eb0a9a6d5dd60ad;hp=c17394afe8709b61caae9315f549d53c84ad758d;hb=fcf9cd6dc8b35a0f386d39a0823b693855cd8715;hpb=f1e4e14793d155ea7d6ed7a6858b668e97c7e5d8 diff --git a/lib/PublicInbox/WwwAttach.pm b/lib/PublicInbox/WwwAttach.pm index c17394af..87844bf3 100644 --- a/lib/PublicInbox/WwwAttach.pm +++ b/lib/PublicInbox/WwwAttach.pm @@ -1,4 +1,4 @@ -# Copyright (C) 2016-2021 all contributors +# Copyright (C) all contributors # License: AGPL-3.0+ # For retrieving attachments from messages in the WWW interface @@ -11,16 +11,17 @@ use PublicInbox::Eml; sub referer_match ($) { my ($ctx) = @_; my $env = $ctx->{env}; - my $referer = $env->{HTTP_REFERER} // ''; + return 1 if $env->{REQUEST_METHOD} eq 'POST'; + my $referer = lc($env->{HTTP_REFERER} // ''); return 1 if $referer eq ''; # no referer is always OK for wget/curl # prevent deep-linking from other domains on some browsers (Firefox) # n.b.: $ctx->{ibx}->base_url($env) with INBOX_URL won't work # with dillo, we can only match "$url_scheme://$HTTP_HOST/" without # path components - my $base_url = $env->{'psgi.url_scheme'} . '://' . + my $base_url = lc($env->{'psgi.url_scheme'} . '://' . ($env->{HTTP_HOST} // - "$env->{SERVER_NAME}:$env->{SERVER_PORT}") . '/'; + "$env->{SERVER_NAME}:$env->{SERVER_PORT}") . '/'); index($referer, $base_url) == 0; } @@ -46,8 +47,13 @@ sub get_attach_i { # ->each_part callback $part = $part->body; } else { $res->[0] = 403; - $res->[1]->[1] = 'text/plain'; - $part = "Deep-linking prevented\n"; + $res->[1]->[1] = 'text/html'; + $part = <<""; +download +attachment
Deep-linking prevented
+ } } push @{$res->[1]}, 'Content-Length', length($part);