-# Copyright (C) 2014, Eric Wong <normalperson@yhbt.net> and all contributors
+# Copyright (C) 2014-2015 all contributors <meta@public-inbox.org>
# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+#
+# Used for displaying the HTML web interface.
+# See Documentation/design_www.txt for this.
package PublicInbox::View;
use strict;
use warnings;
use Encode::MIME::Header;
use Email::MIME::ContentType qw/parse_content_type/;
use PublicInbox::Hval;
-use PublicInbox::MID qw/mid_clean mid_compress mid2path/;
-use Digest::SHA;
+use PublicInbox::MID qw/mid_clean id_compress mid2path/;
+use Digest::SHA qw/sha1_hex/;
+my $SALT = rand;
require POSIX;
# TODO: make these constants tunable
use constant MAX_INLINE_QUOTED => 12; # half an 80x24 terminal
use constant MAX_TRUNC_LEN => 72;
-use constant PRE_WRAP => "<pre\nstyle=\"white-space:pre-wrap\">";
use constant T_ANCHOR => '#u';
+use constant INDENT => ' ';
*ascii_html = *PublicInbox::Hval::ascii_html;
} else {
$footer = '';
}
- my $srch = $ctx->{srch} if $ctx;
- headers_to_html_header($mime, $full_pfx, $srch) .
+ my $hdr = $mime->header_obj;
+ headers_to_html_header($hdr, $full_pfx, $ctx) .
multipart_text_as_html($mime, $full_pfx) .
'</pre><hr /><pre>' .
- html_footer($mime, 1, $full_pfx, $ctx) .
+ html_footer($hdr, 1, $full_pfx, $ctx) .
$footer .
'</pre></body></html>';
}
+# /$LISTNAME/$MESSAGE_ID/R/
+sub msg_reply {
+ my ($ctx, $hdr, $footer) = @_;
+ my $s = $hdr->header('Subject');
+ $s = '(no subject)' if (!defined $s) || ($s eq '');
+ my $f = $hdr->header('From');
+ $f = '' unless defined $f;
+ $s = PublicInbox::Hval->new_oneline($s);
+ my $mid = $hdr->header('Message-ID');
+ $mid = PublicInbox::Hval->new_msgid($mid);
+ my $t = $s->as_html;
+ my $se_url =
+ 'https://kernel.org/pub/software/scm/git/docs/git-send-email.html';
+
+ my ($arg, $link) = mailto_arg_link($hdr);
+ push @$arg, '/path/to/YOUR_REPLY';
+
+ "<html><head><title>replying to \"$t\"</title></head><body><pre>" .
+ "replying to message:\n\n" .
+ "Subject: <b>$t</b>\n" .
+ "From: ". ascii_html($f) .
+ "\nDate: " . ascii_html($hdr->header('Date')) .
+ "\nMessage-ID: <" . $mid->as_html . ">\n\n" .
+ "There are multiple ways to reply:\n\n" .
+ "* Save the following mbox file, import it into your mail client,\n" .
+ " and reply-to-all from there: <a\nhref=../raw>mbox</a>\n\n" .
+ "* Reply to all the recipients using the <b>--to</b>, <b>--cc</b>,\n" .
+ " and <b>--in-reply-to</b> switches of git-send-email(1):\n\n" .
+ "\tgit send-email \\\n\t\t" .
+ join(" \\ \n\t\t", @$arg ). "\n\n" .
+ qq( <a\nhref="$se_url">$se_url</a>\n\n) .
+ "* If your mail client supports setting the <b>In-Reply-To</b>" .
+ " header\n via mailto: links, try the " .
+ qq(<a\nhref="$link">mailto: link</a>\n) .
+ "\nFor context, the original <a\nhref=../>message</a> or " .
+ qq(<a\nhref="../t/#u">thread</a>) .
+ '</pre><hr /><pre>' . $footer . '</pre></body></html>';
+}
+
sub feed_entry {
my ($class, $mime, $full_pfx) = @_;
- PRE_WRAP . multipart_text_as_html($mime, $full_pfx) . '</pre>';
+ # no <head> here for <style>...
+ PublicInbox::Hval::PRE .
+ multipart_text_as_html($mime, $full_pfx) . '</pre>';
+}
+
+sub in_reply_to {
+ my ($hdr) = @_;
+ my $irt = $hdr->header('In-Reply-To');
+
+ return mid_clean($irt) if (defined $irt);
+
+ my $refs = $hdr->header('References');
+ if ($refs && $refs =~ /<([^>]+)>\s*\z/s) {
+ return $1;
+ }
+ undef;
}
# this is already inside a <pre>
my $srch = $ctx->{srch};
my ($prev, $next) = ($midx - 1, $midx + 1);
my $part_nr = 0;
- my $enc = enc_for($mime->header("Content-Type"));
- my $subj = $mime->header('Subject');
- my $header_obj = $mime->header_obj;
+ my $hdr = $mime->header_obj;
+ my $enc = enc_for($hdr->header("Content-Type"));
+ my $subj = $hdr->header('Subject');
- my $mid_raw = $header_obj->header('Message-ID');
+ my $mid_raw = mid_clean($hdr->header('Message-ID'));
my $id = anchor_for($mid_raw);
my $seen = $state->{seen};
- $seen->{$id} = "#$id"; # save the anchor for later
+ $seen->{$id} = "#$id"; # save the anchor for children, later
my $mid = PublicInbox::Hval->new_msgid($mid_raw);
- my $from = PublicInbox::Hval->new_oneline($mime->header('From'))->raw;
+ my $from = PublicInbox::Hval->new_oneline($hdr->header('From'))->raw;
my @from = Email::Address->parse($from);
$from = $from[0]->name;
$from = PublicInbox::Hval->new_oneline($from)->as_html;
$subj = PublicInbox::Hval->new_oneline($subj)->as_html;
- my $more = 'permalink';
- my $root_anchor = $state->{root_anchor};
+ my $root_anchor = $state->{root_anchor} || '';
my $path = $root_anchor ? '../../' : '';
my $href = $mid->as_href;
- my $irt = $header_obj->header('In-Reply-To');
- my ($anchor_idx, $anchor, $t_anchor);
- if (defined $irt) {
- $anchor_idx = anchor_for($irt);
- $anchor = $seen->{$anchor_idx};
- $t_anchor = T_ANCHOR;
- } else {
- $t_anchor = '';
- }
+ my $irt = in_reply_to($hdr);
+ my $parent_anchor = $seen->{anchor_for($irt)} if defined $irt;
+
if ($srch) {
- $subj = "<a\nhref=\"${path}t/$href/#u\">$subj</a>";
+ my $t = $ctx->{flat} ? 'T' : 't';
+ $subj = "<a\nhref=\"${path}$href/$t/#u\">$subj</a>";
}
- if ($root_anchor && $root_anchor eq $id) {
- $subj = "<u\nid=\"u\">$subj</u>";
+ if ($root_anchor eq $id) {
+ $subj = "<u\nid=u>$subj</u>";
}
- my $ts = $mime->header('X-PI-TS');
- unless (defined $ts) {
- $ts = msg_timestamp($mime);
- }
- $ts = POSIX::strftime('%Y-%m-%d %H:%M', gmtime($ts));
-
- my $rv = "<table\nsummary=l$level><tr>";
- if ($level) {
- $rv .= '<td><pre>' . (' ' x $level) . '</pre></td>';
- }
- $rv .= "<td\nid=s$midx>" . PRE_WRAP;
- $rv .= "<b\nid=\"$id\">$subj</b>\n";
- $rv .= "- by $from @ $ts UTC - ";
+ my $ts = _msg_date($hdr);
+ my $rv = "<pre\nid=s$midx>";
+ $rv .= "<b\nid=$id>$subj</b>\n";
+ $rv .= "- $from @ $ts UTC - ";
$rv .= "<a\nhref=\"#s$next\">next</a>";
if ($prev >= 0) {
$rv .= "/<a\nhref=\"#s$prev\">prev</a>";
$fh->write($rv .= "\n\n");
my ($fhref, $more_ref);
- my $mhref = "${path}m/$href/";
- if ($level > 0) {
- $fhref = "${path}f/$href/";
+ my $mhref = "${path}$href/";
+ my $more = 'permalink';
+
+ # show full message if it's our root message
+ my $neq = $root_anchor ne $id;
+ if ($neq || ($neq && $level != 0 && !$ctx->{flat})) {
+ $fhref = "${path}$href/f/";
$more_ref = \$more;
}
# scan through all parts, looking for displayable text
});
$mime->body_set('');
- my $txt = "${path}m/$href/raw";
+ my $txt = "${path}$href/raw";
$rv = "\n<a\nhref=\"$mhref\">$more</a> <a\nhref=\"$txt\">raw</a> ";
- $rv .= html_footer($mime, 0, undef, $ctx);
+ $rv .= html_footer($hdr, 0, undef, $ctx, $mhref);
if (defined $irt) {
- unless (defined $anchor) {
- my $v = PublicInbox::Hval->new_msgid($irt);
+ unless (defined $parent_anchor) {
+ my $v = PublicInbox::Hval->new_msgid($irt, 1);
$v = $v->as_href;
- $anchor = "${path}m/$v/";
- $seen->{$anchor_idx} = $anchor;
+ $parent_anchor = "${path}$v/";
}
- $rv .= " <a\nhref=\"$anchor\">parent</a>";
+ $rv .= " <a\nhref=\"$parent_anchor\">parent</a>";
}
-
- if ($srch) {
- $rv .= " <a\nhref=\"${path}t/$href/$t_anchor\">" .
- "threadlink</a>";
+ if (my $pct = $state->{pct}) { # used by SearchView.pm
+ $rv .= " [relevance $pct->{$mid_raw}%]";
+ } elsif ($srch) {
+ if ($ctx->{flat}) {
+ $rv .= " [<a\nhref=\"${path}$href/t/#u\">threaded</a>" .
+ "|<b>flat</b>]";
+ } else {
+ $rv .= " [<b>threaded</b>|" .
+ "<a\nhref=\"${path}$href/T/#u\">flat</a>]";
+ }
}
-
- $fh->write($rv .= '</pre></td></tr></table>');
+ $fh->write($rv .= '</pre>');
}
sub thread_html {
sub emit_thread_html {
my ($cb, $ctx, $foot, $srch) = @_;
- my $mid = mid_compress($ctx->{mid});
+ my $mid = $ctx->{mid};
my $res = $srch->get_thread($mid);
my $msgs = load_results($res);
my $nr = scalar @$msgs;
- return missing_thread($cb) if $nr == 0;
- my $fh = $cb->([200,['Content-Type'=>'text/html; charset=UTF-8']]);
- my $th = thread_results($msgs);
+ return missing_thread($cb, $ctx) if $nr == 0;
+ my $flat = $ctx->{flat};
+ my $orig_cb = $cb;
+ my $seen = {};
my $state = {
ctx => $ctx,
- seen => {},
+ seen => $seen,
root_anchor => anchor_for($mid),
anchor_idx => 0,
+ cur_level => 0,
};
- {
- require PublicInbox::GitCatFile;
- my $git = PublicInbox::GitCatFile->new($ctx->{git_dir});
- thread_entry($fh, $git, $state, $_, 0) for $th->rootset;
+
+ require PublicInbox::Git;
+ my $git = $ctx->{git} ||= PublicInbox::Git->new($ctx->{git_dir});
+ if ($flat) {
+ pre_anchor_entry($seen, $_) for (@$msgs);
+ __thread_entry(\$cb, $git, $state, $_, 0) for (@$msgs);
+ } else {
+ my $th = thread_results($msgs);
+ thread_entry(\$cb, $git, $state, $_, 0) for $th->rootset;
+ if (my $max = $state->{cur_level}) {
+ $cb->write(('</ul></li>' x ($max - 1)) . '</ul>');
+ }
}
+ $git = undef;
+ Email::Address->purge_cache;
+
+ # there could be a race due to a message being deleted in git
+ # but still being in the Xapian index:
+ return missing_thread($cb, $ctx) if ($orig_cb eq $cb);
+
my $final_anchor = $state->{anchor_idx};
- my $next = "<a\nid=\"s$final_anchor\">";
+ my $next = "<a\nid=s$final_anchor>";
$next .= $final_anchor == 1 ? 'only message in' : 'end of';
- $next .= " thread</a>, back to <a\nhref=\"../../\">index</a>\n";
- $next .= "download: <a\nhref=\"mbox.gz\">mbox.gz</a>\n\n";
- $fh->write("<hr />" . PRE_WRAP . $next . $foot .
- "</pre></body></html>");
- $fh->close;
+ $next .= " thread</a>, back to <a\nhref=\"../../\">index</a>";
+ $next .= "\ndownload thread: ";
+ $next .= "<a\nhref=\"../t.mbox.gz\">mbox.gz</a>";
+ $next .= " / follow: <a\nhref=\"../t.atom\">Atom feed</a>";
+ $cb->write('<hr /><pre>' . $next . "\n\n".
+ $foot . '</pre></body></html>');
+ $cb->close;
}
sub index_walk {
my $s = add_text_body($enc, $part, $part_nr, $fhref);
if ($more) {
+ my $m = 0;
# drop the remainder of git patches, they're usually better
# to review when the full message is viewed
- $s =~ s!^---+\n.*\z!!ms and $$more = 'more...';
+ $s =~ s!^---+\n.*\z!!ms and $m = 1;
# Drop signatures
- $s =~ s/^-- \n.*\z//ms and $$more = 'more...';
+ $s =~ s/^-- \n.*\z//ms and $m = 1;
+ $$more = "<b>More...</b>\n\n$$more" if $m;
}
# kill any leading or trailing whitespace lines
# scan through all parts, looking for displayable text
$mime->walk_parts(sub {
my ($part) = @_;
- $rv .= add_text_body($enc, $part, \$part_nr, $full_pfx);
+ $rv .= add_text_body($enc, $part, \$part_nr, $full_pfx, 1);
});
$mime->body_set('');
$rv;
"$pad " . ascii_html($fn) . " $pad\n";
}
-my $LINK_RE = qr!\b((?:ftp|https?|nntp)://[@\w\+\&\?\.\%\;/#=-]+)!;
+my $LINK_RE = qr!\b((?:ftp|https?|nntp)://
+ [\@:\w\.-]+/
+ ?[\@\w\+\&\?\.\%\;/#=-]*)!x;
+
+sub linkify_1 {
+ my ($link_map, $s) = @_;
+ $s =~ s!$LINK_RE!
+ my $url = $1;
+ # salt this, as this could be exploited to show
+ # links in the HTML which don't show up in the raw mail.
+ my $key = sha1_hex($url . $SALT);
+ $link_map->{$key} = $url;
+ 'PI-LINK-'. $key;
+ !ge;
+ $s;
+}
-sub linkify {
- # no newlines added here since it'd break the splitting we do
- # to fold quotes
- $_[0] =~ s!$LINK_RE!<a\nhref="$1">$1</a>!g;
+sub linkify_2 {
+ my ($link_map, $s) = @_;
+
+ # Added "PI-LINK-" prefix to avoid false-positives on git commits
+ $s =~ s!\bPI-LINK-([a-f0-9]{40})\b!
+ my $key = $1;
+ my $url = $link_map->{$key};
+ if (defined $url) {
+ $url = ascii_html($url);
+ "<a\nhref=\"$url\">$url</a>";
+ } else {
+ # false positive or somebody tried to mess with us
+ $key;
+ }
+ !ge;
+ $s;
}
sub flush_quote {
- my ($quot, $n, $part_nr, $full_pfx, $final) = @_;
+ my ($quot, $n, $part_nr, $full_pfx, $final, $do_anchor) = @_;
+ # n.b.: do not use <blockquote> since it screws up alignment
+ # w.r.t. unquoted text. Repliers may rely on pre-formatted
+ # alignment to point out a certain word in quoted text.
if ($full_pfx) {
if (!$final && scalar(@$quot) <= MAX_INLINE_QUOTED) {
# show quote inline
- my $rv = join('', map { linkify($_); $_ } @$quot);
+ my %l;
+ my $rv = join('', map { linkify_1(\%l, $_) } @$quot);
@$quot = ();
- return $rv;
+ $rv = ascii_html($rv);
+ return linkify_2(\%l, $rv);
}
# show a short snippet of quoted text and link to full version:
- @$quot = map { s/^(?:>\s*)+//gm; $_ } @$quot;
+ @$quot = map { s/^(?:>\s*)+//gm; $_ } @$quot;
my $cur = join(' ', @$quot);
@$quot = split(/\s+/, $cur);
$cur = '';
} while (@$quot && length($cur) < MAX_TRUNC_LEN);
@$quot = ();
$cur =~ s/ \z/ .../s;
+ $cur = ascii_html($cur);
my $nr = ++$$n;
"> [<a\nhref=\"$full_pfx#q${part_nr}_$nr\">$cur</a>]\n";
} else {
# show everything in the full version with anchor from
# short version (see above)
- my $nr = ++$$n;
- my $rv = "<a\nid=q${part_nr}_$nr></a>";
- $rv .= join('', map { linkify($_); $_ } @$quot);
+ my %l;
+ my $rv .= join('', map { linkify_1(\%l, $_) } @$quot);
@$quot = ();
- $rv;
+ $rv = ascii_html($rv);
+ return linkify_2(\%l, $rv) unless $do_anchor;
+ my $nr = ++$$n;
+ "<a\nid=q${part_nr}_$nr></a>" . linkify_2(\%l, $rv);
}
}
sub add_text_body {
- my ($enc_msg, $part, $part_nr, $full_pfx) = @_;
+ my ($enc_msg, $part, $part_nr, $full_pfx, $do_anchor) = @_;
return '' if $part->subparts;
my $ct = $part->content_type;
# account for filter bugs...
- if (defined $ct && $ct =~ m!\btext/[xh]+tml\b!i) {
+ if (defined $ct && $ct =~ m!\btext/x?html\b!i) {
$part->body_set('');
return '';
}
my $s = $part->body;
$part->body_set('');
$s = $enc->decode($s);
- $s = ascii_html($s);
my @lines = split(/^/m, $s);
$s = '';
my @quot;
while (defined(my $cur = shift @lines)) {
- if ($cur !~ /^>/) {
+ if ($cur !~ /^>/) {
# show the previously buffered quote inline
if (scalar @quot) {
$s .= flush_quote(\@quot, \$n, $$part_nr,
- $full_pfx, 0);
+ $full_pfx, 0, $do_anchor);
}
# regular line, OK
- linkify($cur);
- $s .= $cur;
+ my %l;
+ $cur = linkify_1(\%l, $cur);
+ $cur = ascii_html($cur);
+ $s .= linkify_2(\%l, $cur);
} else {
push @quot, $cur;
}
}
- $s .= flush_quote(\@quot, \$n, $$part_nr, $full_pfx, 1) if scalar @quot;
+ if (scalar @quot) {
+ $s .= flush_quote(\@quot, \$n, $$part_nr, $full_pfx, 1,
+ $do_anchor);
+ }
$s .= "\n" unless $s =~ /\n\z/s;
++$$part_nr;
$s;
}
sub headers_to_html_header {
- my ($mime, $full_pfx, $srch) = @_;
-
+ my ($hdr, $full_pfx, $ctx) = @_;
+ my $srch = $ctx->{srch} if $ctx;
my $rv = "";
my @title;
- my $header_obj = $mime->header_obj;
- my $mid = $header_obj->header('Message-ID');
+ my $mid = $hdr->header('Message-ID');
$mid = PublicInbox::Hval->new_msgid($mid);
- my $mid_href = $mid->as_href;
foreach my $h (qw(From To Cc Subject Date)) {
- my $v = $mime->header($h);
+ my $v = $hdr->header($h);
defined($v) && ($v ne '') or next;
$v = PublicInbox::Hval->new_oneline($v);
} elsif ($h eq 'Subject') {
$title[0] = $v->as_html;
if ($srch) {
- $rv .= "$h: <a\nhref=\"../../t/$mid_href/\">";
- $rv .= $v->as_html . "</a>\n";
+ $rv .= "$h: <b\nid=t>";
+ $rv .= $v->as_html . "</b>\n";
next;
}
}
$rv .= "$h: " . $v->as_html . "\n";
}
-
$rv .= 'Message-ID: <' . $mid->as_html . '> ';
- my $raw_ref = $full_pfx ? 'raw' : "../../m/$mid_href/raw";
- $rv .= "(<a\nhref=\"$raw_ref\">raw</a>)\n";
+ my $upfx = $full_pfx ? '' : '../';
+ $rv .= "(<a\nhref=\"${upfx}raw\">raw</a>)\n";
+ my $atom;
+ if ($srch) {
+ thread_inline(\$rv, $ctx, $hdr, $upfx);
+
+ $atom = qq{<link\nrel=alternate\ntitle="Atom feed"\n} .
+ qq!href="${upfx}t.atom"\ntype="application/atom+xml"/>!;
+ } else {
+ $rv .= _parent_headers_nosrch($hdr);
+ $atom = '';
+ }
+ $rv .= "\n";
+
+ ("<html><head><title>". join(' - ', @title) . "</title>$atom".
+ PublicInbox::Hval::STYLE . "</head><body><pre>" . $rv);
+}
+
+sub thread_inline {
+ my ($dst, $ctx, $hdr, $upfx) = @_;
+ my $srch = $ctx->{srch};
+ my $mid = mid_clean($hdr->header('Message-ID'));
+ my $res = $srch->get_thread($mid);
+ my $nr = $res->{total};
+ my $expand = "<a\nhref=\"${upfx}t/#u\">expand</a> " .
+ "/ <a\nhref=\"${upfx}t.mbox.gz\">mbox.gz</a>";
+
+ $$dst .= 'Thread: ';
+ my $parent = in_reply_to($hdr);
+ if ($nr <= 1) {
+ if (defined $parent) {
+ $$dst .= "($expand)\n ";
+ $$dst .= ghost_parent("$upfx../", $parent) . "\n";
+ } else {
+ $$dst .= "[no followups, yet] ($expand)\n";
+ }
+ $ctx->{next_msg} = undef;
+ $ctx->{parent_msg} = $parent;
+ return;
+ }
- my $irt = $header_obj->header('In-Reply-To');
+ $$dst .= "~$nr messages ($expand";
+ if ($nr > MAX_INLINE_QUOTED) {
+ $$dst .= qq! / <a\nhref="#b">[scroll down]</a>!;
+ }
+ $$dst .= ")\n";
+
+ my $subj = $srch->subject_path($hdr->header('Subject'));
+ my $state = {
+ seen => { $subj => 1 },
+ srch => $srch,
+ cur => $mid,
+ parent_cmp => defined $parent ? $parent : '',
+ parent => $parent,
+ prev_attr => '',
+ prev_level => 0,
+ };
+ for (thread_results(load_results($res))->rootset) {
+ inline_dump($dst, $state, $upfx, $_, 0);
+ }
+ $$dst .= "<a\nid=b></a>"; # anchor for body start
+ $ctx->{next_msg} = $state->{next_msg};
+ $ctx->{parent_msg} = $state->{parent};
+}
+
+sub _parent_headers_nosrch {
+ my ($hdr) = @_;
+ my $rv = '';
+
+ my $irt = in_reply_to($hdr);
if (defined $irt) {
- my $v = PublicInbox::Hval->new_msgid($irt);
+ my $v = PublicInbox::Hval->new_msgid($irt, 1);
my $html = $v->as_html;
my $href = $v->as_href;
$rv .= "In-Reply-To: <";
$rv .= "<a\nhref=\"../$href/\">$html</a>>\n";
}
- my $refs = $header_obj->header('References');
+ my $refs = $hdr->header('References');
if ($refs) {
# avoid redundant URLs wasting bandwidth
my %seen;
- $seen{mid_clean($irt)} = 1 if defined $irt;
+ $seen{$irt} = 1 if defined $irt;
my @refs;
my @raw_refs = ($refs =~ /<([^>]+)>/g);
foreach my $ref (@raw_refs) {
next if $seen{$ref};
$seen{$ref} = 1;
- push @refs, linkify_ref($ref);
+ push @refs, linkify_ref_nosrch($ref);
}
if (@refs) {
$rv .= 'References: '. join(' ', @refs) . "\n";
}
}
-
- $rv .= "\n";
-
- ("<html><head><title>". join(' - ', @title) .
- '</title></head><body>' . PRE_WRAP . $rv);
+ $rv;
}
-sub html_footer {
- my ($mime, $standalone, $full_pfx, $ctx) = @_;
+sub mailto_arg_link {
+ my ($hdr) = @_;
my %cc; # everyone else
my $to; # this is the From address
foreach my $h (qw(From To Cc)) {
- my $v = $mime->header($h);
+ my $v = $hdr->header($h);
defined($v) && ($v ne '') or next;
my @addrs = Email::Address->parse($v);
foreach my $recip (@addrs) {
$to ||= $dst;
}
}
- Email::Address->purge_cache if $standalone;
+ Email::Address->purge_cache;
+ my @arg;
- my $subj = $mime->header('Subject') || '';
+ my $subj = $hdr->header('Subject') || '';
$subj = "Re: $subj" unless $subj =~ /\bRe:/i;
- my $mid = $mime->header('Message-ID');
+ my $mid = $hdr->header('Message-ID');
+ push @arg, "--in-reply-to='" . ascii_html($mid) . "'";
my $irt = uri_escape_utf8($mid);
delete $cc{$to};
+ push @arg, '--to=' . ascii_html($to);
$to = uri_escape_utf8($to);
$subj = uri_escape_utf8($subj);
-
- my $cc = uri_escape_utf8(join(',', sort values %cc));
+ my $cc = join(',', sort values %cc);
+ push @arg, '--cc=' . ascii_html($cc);
+ $cc = uri_escape_utf8($cc);
my $href = "mailto:$to?In-Reply-To=$irt&Cc=${cc}&Subject=$subj";
+ $href =~ s/%20/+/g;
+
+ (\@arg, $href);
+}
+
+sub html_footer {
+ my ($mime, $standalone, $full_pfx, $ctx, $mhref) = @_;
my $srch = $ctx->{srch} if $ctx;
- my $idx = $standalone ? " <a\nhref=\"../../\">index</a>" : '';
+ my $upfx = $full_pfx ? '../' : '../../';
+ my $tpfx = $full_pfx ? '' : '../';
+ my $idx = $standalone ? " <a\nhref=\"$upfx\">index</a>" : '';
+ my $irt = '';
+
+ if ($srch && $standalone) {
+ $idx .= qq{ / follow: <a\nhref="${tpfx}t.atom">Atom feed</a>\n};
+ }
if ($idx && $srch) {
- $mid = mid_compress(mid_clean($mid));
- my $t_anchor = defined $irt ? T_ANCHOR : '';
- $irt = $mime->header('In-Reply-To');
- $idx = " <a\nhref=\"../../t/$mid/$t_anchor\">".
- "threadlink</a>$idx";
- my $res = $srch->get_followups($mid);
- if (my $c = $res->{total}) {
- my $nr = scalar @{$res->{msgs}};
- if ($nr < $c) {
- $c = "$nr of $c followups";
- } else {
- $c = $c == 1 ? '1 followup' : "$c followups";
- }
- $idx .= "\n$c:\n";
- $res->{srch} = $srch;
- thread_followups(\$idx, $mime, $res);
+ my $p = $ctx->{parent_msg};
+ my $next = $ctx->{next_msg};
+ if ($p) {
+ $p = PublicInbox::Hval->new_oneline($p);
+ $p = $p->as_href;
+ $irt = "<a\nhref=\"$upfx$p/\">parent</a> ";
+ } else {
+ $irt = ' ' x length('parent ');
+ }
+ if ($next) {
+ $irt .= "<a\nhref=\"$upfx$next/\">next</a> ";
} else {
- $idx .= "\n(no followups, yet)\n";
+ $irt .= ' ' x length('next ');
}
- if (defined $irt) {
- $irt = PublicInbox::Hval->new_msgid($irt);
- $irt = $irt->as_href;
- $irt = "<a\nhref=\"../$irt/\">parent</a> ";
+ if ($p || $next) {
+ $irt .= "<a\nhref=\"${tpfx}t/#u\">thread</a> ";
} else {
- $irt = ' ' x length('parent ');
+ $irt .= ' ' x length('thread ');
}
} else {
$irt = '';
}
- "$irt<a\nhref=\"" . ascii_html($href) . '">reply</a>' . $idx;
+ $mhref = './' unless defined $mhref;
+ $irt . qq(<a\nhref="${mhref}R/">reply</a>) . $idx;
}
-sub linkify_ref {
- my $v = PublicInbox::Hval->new_msgid($_[0]);
+sub linkify_ref_nosrch {
+ my $v = PublicInbox::Hval->new_msgid($_[0], 1);
my $html = $v->as_html;
my $href = $v->as_href;
"<<a\nhref=\"../$href/\">$html</a>>";
my ($msgid) = @_;
my $id = $msgid;
if ($id !~ /\A[a-f0-9]{40}\z/) {
- $id = mid_compress(mid_clean($id), 1);
+ $id = id_compress(mid_clean($id), 1);
}
'm' . $id;
}
-sub simple_dump {
- my ($dst, $root, $node, $level) = @_;
- return unless $node;
- # $root = [ undef, \%seen, $srch ];
- if (my $x = $node->message) {
- my $f = $x->header('X-PI-From');
- my $d = $x->header('X-PI-Date');
- if (defined $f && defined $d) {
- my $mid = $x->header('Message-ID');
- my $pfx = ' ' x $level;
- $$dst .= $pfx;
-
- # Subject is never undef, this mail was loaded from
- # our Xapian which would've resulted in '' if it were
- # really missing (and Filter rejects empty subjects)
- my $s = $x->header('Subject');
- my $h = $root->[2]->subject_path($s);
- if ($root->[1]->{$h}) {
- $s = undef;
- } else {
- $root->[1]->{$h} = 1;
- $s = PublicInbox::Hval->new($s);
- $s = $s->as_html;
- }
- my $m = PublicInbox::Hval->new_msgid($mid);
- $f = PublicInbox::Hval->new($f);
- $d = PublicInbox::Hval->new($d);
- $m = '../' . $m->as_href . '/';
- $f = $f->as_html;
- $d = $d->as_html . ' UTC';
- if (defined $s) {
- $$dst .= "` <a\nhref=\"$m\">$s</a>\n" .
- "$pfx by $f @ $d\n";
- } else {
- $$dst .= "` <a\nhref=\"$m\">$f @ $d</a>\n";
- }
+sub thread_html_head {
+ my ($cb, $header, $state) = @_;
+ $$cb = $$cb->([200, ['Content-Type'=> 'text/html; charset=UTF-8']]);
+
+ my $s = PublicInbox::Hval->new_oneline($header->header('Subject'));
+ $s = $s->as_html;
+ $$cb->write("<html><head><title>$s</title>".
+ qq{<link\nrel=alternate\ntitle="Atom feed"\n} .
+ qq!href="../t.atom"\ntype="application/atom+xml"/>! .
+ PublicInbox::Hval::STYLE .
+ "</head><body>");
+}
+
+sub pre_anchor_entry {
+ my ($seen, $mime) = @_;
+ my $id = anchor_for($mime->header('Message-ID'));
+ $seen->{$id} = "#$id"; # save the anchor for children, later
+}
+
+sub ghost_parent {
+ my ($upfx, $mid) = @_;
+ # 'subject dummy' is used internally by Mail::Thread
+ return '[no common parent]' if ($mid eq 'subject dummy');
+
+ $mid = PublicInbox::Hval->new_msgid($mid);
+ my $href = $mid->as_href;
+ my $html = $mid->as_html;
+ qq{[parent not found: <<a\nhref="$upfx$href/">$html</a>>]};
+}
+
+sub thread_adj_level {
+ my ($fh, $state, $level) = @_;
+
+ my $max = $state->{cur_level};
+ if ($level <= 0) {
+ return '' if $max == 0; # flat output
+
+ # reset existing lists
+ my $x = $max > 1 ? ('</ul></li>' x ($max - 1)) : '';
+ $fh->write($x . '</ul>');
+ $state->{cur_level} = 0;
+ return '';
+ }
+ if ($level == $max) { # continue existing list
+ $fh->write('<li>');
+ } elsif ($level < $max) {
+ my $x = $max > 1 ? ('</ul></li>' x ($max - $level)) : '';
+ $fh->write($x .= '<li>');
+ $state->{cur_level} = $level;
+ } else { # ($level > $max) # start a new level
+ $state->{cur_level} = $level;
+ $fh->write(($max ? '<li>' : '') . '<ul><li>');
+ }
+ '</li>';
+}
+
+sub ghost_flush {
+ my ($fh, $state, $upfx, $mid, $level) = @_;
+
+ my $end = thread_adj_level($fh, $state, $level);
+ $fh->write('<pre>'. ghost_parent($upfx, $mid) . '</pre>' . $end);
+}
+
+sub __thread_entry {
+ my ($cb, $git, $state, $mime, $level) = @_;
+
+ # lazy load the full message from mini_mime:
+ $mime = eval {
+ my $path = mid2path(mid_clean($mime->header('Message-ID')));
+ Email::MIME->new($git->cat_file('HEAD:'.$path));
+ } or return;
+
+ if ($state->{anchor_idx} == 0) {
+ thread_html_head($cb, $mime, $state, $level);
+ }
+ my $fh = $$cb;
+ if (my $ghost = delete $state->{ghost}) {
+ # n.b. ghost messages may only be parents, not children
+ foreach my $g (@$ghost) {
+ ghost_flush($fh, $state, '../../', @$g);
}
}
- simple_dump($dst, $root, $node->child, $level+1);
- simple_dump($dst, $root, $node->next, $level);
+ my $end = thread_adj_level($fh, $state, $level);
+ index_entry($fh, $mime, $level, $state);
+ $fh->write($end) if $end;
+
+ 1;
}
-sub thread_followups {
- my ($dst, $root, $res) = @_;
- $root->header_set('X-PI-TS', '0');
- my $msgs = load_results($res);
- push @$msgs, $root;
- my $th = thread_results($msgs);
- my $srch = $res->{srch};
- my $subj = $srch->subject_path($root->header('Subject'));
- my %seen = ($subj => 1);
- $root = [ undef, \%seen, $srch ];
- simple_dump($dst, $root, $_, 0) for $th->rootset;
+sub indent_for {
+ my ($level) = @_;
+ INDENT x ($level - 1);
}
-sub thread_html_head {
- my ($mime) = @_;
- my $s = PublicInbox::Hval->new_oneline($mime->header('Subject'));
- $s = $s->as_html;
- "<html><head><title>$s</title></head><body>";
+sub __ghost_prepare {
+ my ($state, $node, $level) = @_;
+ my $ghost = $state->{ghost} ||= [];
+ push @$ghost, [ $node->messageid, $level ];
}
sub thread_entry {
- my ($fh, $git, $state, $node, $level) = @_;
+ my ($cb, $git, $state, $node, $level) = @_;
return unless $node;
if (my $mime = $node->message) {
-
- # lazy load the full message from mini_mime:
- my $path = mid2path(mid_clean($mime->header('Message-ID')));
- $mime = eval { Email::MIME->new($git->cat_file("HEAD:$path")) };
- if ($mime) {
- if ($state->{anchor_idx} == 0) {
- $fh->write(thread_html_head($mime));
- }
- index_entry($fh, $mime, $level, $state);
+ unless (__thread_entry($cb, $git, $state, $mime, $level)) {
+ __ghost_prepare($state, $node, $level);
}
+ } else {
+ __ghost_prepare($state, $node, $level);
}
- thread_entry($fh, $git, $state, $node->child, $level + 1);
- thread_entry($fh, $git, $state, $node->next, $level);
+
+ thread_entry($cb, $git, $state, $node->child, $level + 1);
+ thread_entry($cb, $git, $state, $node->next, $level);
}
sub load_results {
}
sub msg_timestamp {
- my ($mime) = @_;
- my $ts = eval { str2time($mime->header('Date')) };
+ my ($hdr) = @_;
+ my $ts = eval { str2time($hdr->header('Date')) };
defined($ts) ? $ts : 0;
}
sub thread_results {
- my ($msgs) = @_;
+ my ($msgs, $nosubject) = @_;
require PublicInbox::Thread;
my $th = PublicInbox::Thread->new(@$msgs);
- $th->thread;
no warnings 'once';
- $th->order(*PublicInbox::Thread::sort_ts);
+ $Mail::Thread::nosubject = $nosubject;
+ $th->thread;
+ $th->order(*sort_ts);
$th
}
sub missing_thread {
- my ($cb) = @_;
- my $title = 'Thread does not exist';
- $cb->([404, ['Content-Type' => 'text/html']])->write(<<EOF);
-<html><head><title>$title</title></head><body><pre>$title
-<a href="../../">Return to index</a></pre></body></html>
-EOF
+ my ($cb, $ctx) = @_;
+ require PublicInbox::ExtMsg;
+
+ $cb->(PublicInbox::ExtMsg::ext_msg($ctx))
+}
+
+sub _msg_date {
+ my ($hdr) = @_;
+ my $ts = $hdr->header('X-PI-TS') || msg_timestamp($hdr);
+ fmt_ts($ts);
+}
+
+sub fmt_ts { POSIX::strftime('%Y-%m-%d %k:%M', gmtime($_[0])) }
+
+sub _inline_header {
+ my ($dst, $state, $upfx, $hdr, $level) = @_;
+ my $dot = $level == 0 ? '' : '` ';
+
+ my $cur = $state->{cur};
+ my $mid = mid_clean($hdr->header('Message-ID'));
+ my $f = $hdr->header('X-PI-From');
+ my $d = _msg_date($hdr);
+ $f = PublicInbox::Hval->new_oneline($f)->as_html;
+ my $pfx = ' ' . $d . ' ' . indent_for($level);
+ my $attr = $f;
+ $state->{first_level} ||= $level;
+
+ if ($attr ne $state->{prev_attr} || $state->{prev_level} > $level) {
+ $state->{prev_attr} = $attr;
+ } else {
+ $attr = '';
+ }
+ $state->{prev_level} = $level;
+
+ if ($cur) {
+ if ($cur eq $mid) {
+ delete $state->{cur};
+ $$dst .= "$pfx$dot<b><a\nid=r\nhref=\"#b\">".
+ "$attr [this message]</a></b>\n";
+
+ return;
+ }
+ } else {
+ $state->{next_msg} ||= $mid;
+ }
+
+ # Subject is never undef, this mail was loaded from
+ # our Xapian which would've resulted in '' if it were
+ # really missing (and Filter rejects empty subjects)
+ my $s = $hdr->header('Subject');
+ my $h = $state->{srch}->subject_path($s);
+ if ($state->{seen}->{$h}) {
+ $s = undef;
+ } else {
+ $state->{seen}->{$h} = 1;
+ $s = PublicInbox::Hval->new($s);
+ $s = $s->as_html;
+ }
+ my $m = PublicInbox::Hval->new_msgid($mid);
+ $m = $upfx . '../' . $m->as_href . '/';
+ if (defined $s) {
+ $$dst .= "$pfx$dot<a\nhref=\"$m\">$s</a> $attr\n";
+ } else {
+ $$dst .= "$pfx$dot<a\nhref=\"$m\">$f</a>\n";
+ }
+}
+
+sub inline_dump {
+ my ($dst, $state, $upfx, $node, $level) = @_;
+ return unless $node;
+ if (my $mime = $node->message) {
+ my $hdr = $mime->header_obj;
+ my $mid = mid_clean($hdr->header('Message-ID'));
+ if ($mid eq $state->{parent_cmp}) {
+ $state->{parent} = $mid;
+ }
+ _inline_header($dst, $state, $upfx, $hdr, $level);
+ } else {
+ my $dot = $level == 0 ? '' : '` ';
+ my $pfx = (' ' x length(' 1970-01-01 13:37 ')).
+ indent_for($level) . $dot;
+ $$dst .= $pfx;
+ $$dst .= ghost_parent("$upfx../", $node->messageid) . "\n";
+ }
+ inline_dump($dst, $state, $upfx, $node->child, $level+1);
+ inline_dump($dst, $state, $upfx, $node->next, $level);
+}
+
+sub sort_ts {
+ sort {
+ (eval { $a->topmost->message->header('X-PI-TS') } || 0) <=>
+ (eval { $b->topmost->message->header('X-PI-TS') } || 0)
+ } @_;
+}
+
+sub rsort_ts {
+ sort {
+ (eval { $b->topmost->message->header('X-PI-TS') } || 0) <=>
+ (eval { $a->topmost->message->header('X-PI-TS') } || 0)
+ } @_;
+}
+
+# accumulate recent topics if search is supported
+# returns 1 if done, undef if not
+sub add_topic {
+ my ($state, $node, $level) = @_;
+ return unless $node;
+ my $child_adjust = 1;
+
+ if (my $x = $node->message) {
+ $x = $x->header_obj;
+ my $subj;
+
+ $subj = $x->header('Subject');
+ $subj = $state->{srch}->subject_normalized($subj);
+
+ if (++$state->{subjs}->{$subj} == 1) {
+ push @{$state->{order}}, [ $level, $subj ];
+ }
+
+ my $mid = mid_clean($x->header('Message-ID'));
+
+ my $ts = $x->header('X-PI-TS');
+ my $exist = $state->{latest}->{$subj};
+ if (!$exist || $exist->[1] < $ts) {
+ $state->{latest}->{$subj} = [ $mid, $ts ];
+ }
+ } else {
+ # ghost message, do not bump level
+ $child_adjust = 0;
+ }
+
+ add_topic($state, $node->child, $level + $child_adjust);
+ add_topic($state, $node->next, $level);
+}
+
+sub dump_topics {
+ my ($state) = @_;
+ my $order = $state->{order};
+ my $subjs = $state->{subjs};
+ my $latest = $state->{latest};
+ return "\n[No topics in range]</pre>" unless (scalar @$order);
+ my $dst = '';
+ my $pfx;
+ my $prev = 0;
+ my $prev_attr = '';
+ while (defined(my $info = shift @$order)) {
+ my ($level, $subj) = @$info;
+ my $n = delete $subjs->{$subj};
+ my ($mid, $ts) = @{delete $latest->{$subj}};
+ $mid = PublicInbox::Hval->new_msgid($mid)->as_href;
+ $subj = PublicInbox::Hval->new($subj)->as_html;
+ $pfx = indent_for($level);
+ my $nl = $level == $prev ? "\n" : '';
+ my $dot = $level == 0 ? '' : '` ';
+ $dst .= "$nl$pfx$dot<a\nhref=\"$mid/t/#u\"><b>$subj</b></a>\n";
+
+ my $attr;
+ $ts = fmt_ts($ts);
+ $attr = " $ts UTC";
+
+ # $n isn't the total number of posts on the topic,
+ # just the number of posts in the current results
+ # window, so leave it unlabeled
+ $n = $n == 1 ? '' : " ($n+ messages)";
+
+ if ($level == 0 || $attr ne $prev_attr) {
+ my $mbox = qq(<a\nhref="$mid/t.mbox.gz">mbox.gz</a>);
+ my $atom = qq(<a\nhref="$mid/t.atom">Atom</a>);
+ $pfx .= INDENT if $level > 0;
+ $dst .= $pfx . $attr . $n . " - $mbox / $atom\n";
+ $prev_attr = $attr;
+ }
+ }
+ $dst .= '</pre>';
+}
+
+sub emit_index_topics {
+ my ($state, $fh) = @_;
+ my $off = $state->{ctx}->{cgi}->param('o');
+ $off = 0 unless defined $off;
+ $state->{order} = [];
+ $state->{subjs} = {};
+ $state->{latest} = {};
+ my $max = 25;
+ my %opts = ( offset => int $off, limit => $max * 4 );
+ while (scalar @{$state->{order}} < $max) {
+ my $res = $state->{srch}->query('', \%opts);
+ my $nr = scalar @{$res->{msgs}} or last;
+
+ for (rsort_ts(thread_results(load_results($res), 1)->rootset)) {
+ add_topic($state, $_, 0);
+ }
+ $opts{offset} += $nr;
+ }
+
+ $fh->write(dump_topics($state));
+ $opts{offset};
}
1;