-# 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) 2014-2020 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <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 URI::Escape qw/uri_escape_utf8/;
-use Date::Parse qw/str2time/;
-use Encode qw/find_encoding/;
-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 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 bytes (); # only for bytes::length
+use PublicInbox::MsgTime qw(msg_datestamp);
+use PublicInbox::Hval qw(ascii_html obfuscate_addrs prurl mid_href);
+use PublicInbox::Linkify;
+use PublicInbox::MID qw(id_compress mids mids_for_index references
+ $MID_EXTRACT);
+use PublicInbox::MsgIter;
+use PublicInbox::Address;
+use PublicInbox::WwwStream;
+use PublicInbox::Reply;
+use PublicInbox::ViewDiff qw(flush_diff);
+use POSIX qw(strftime);
+use Time::Local qw(timegm);
+use PublicInbox::Smsg qw(subject_normalized);
+use constant COLS => 72;
use constant INDENT => ' ';
+use constant TCHILD => '` ';
+sub th_pfx ($) { $_[0] == 0 ? '' : TCHILD };
+
+sub msg_page_i {
+ my ($nr, $ctx) = @_;
+ if (my $more = delete $ctx->{more}) { # unlikely
+ # fake an EOF if $more retrieval fails;
+ eval { msg_page_more($ctx, $nr, @$more) };
+ } elsif (my $hdr = delete $ctx->{hdr}) {
+ # fake an EOF if generating the footer fails;
+ # we want to at least show the message if something
+ # here crashes:
+ eval { html_footer($ctx, $hdr) };
+ } else {
+ undef
+ }
+}
-*ascii_html = *PublicInbox::Hval::ascii_html;
-
-my $enc_utf8 = find_encoding('UTF-8');
+# public functions: (unstable)
-# public functions:
-sub msg_html {
- my ($ctx, $mime, $full_pfx, $footer) = @_;
- if (defined $footer) {
- $footer = "\n" . $footer;
+sub msg_page {
+ my ($ctx) = @_;
+ my $mid = $ctx->{mid};
+ my $ibx = $ctx->{-inbox};
+ my ($smsg, $first, $next);
+ if (my $over = $ibx->over) {
+ my ($id, $prev);
+ $smsg = $over->next_by_mid($mid, \$id, \$prev) or return;
+ $first = $ibx->msg_by_smsg($smsg) or return;
+ $next = $over->next_by_mid($mid, \$id, \$prev);
+ $ctx->{more} = [ $id, $prev, $next ] if $next;
} else {
- $footer = '';
+ $first = $ibx->msg_by_mid($mid) or return;
}
- headers_to_html_header($mime, $full_pfx, $ctx) .
- multipart_text_as_html($mime, $full_pfx) .
- '</pre><hr />' . PRE_WRAP .
- html_footer($mime, 1, $full_pfx, $ctx) .
- $footer .
- '</pre></body></html>';
+ my $mime = PublicInbox::MIME->new($first);
+ $ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
+ my $hdr = $ctx->{hdr} = $mime->header_obj;
+ $ctx->{obuf} = _msg_page_prepare_obuf($hdr, $ctx, 0);
+ $ctx->{smsg} = $smsg;
+ # $next cannot be true w/o $smsg being defined:
+ $ctx->{mhref} = $next ? '../'.mid_href($smsg->{mid}).'/' : '';
+ multipart_text_as_html($mime, $ctx);
+ $ctx->{-html_tip} = (${delete $ctx->{obuf}} .= '</pre><hr>');
+ PublicInbox::WwwStream->response($ctx, 200, \&msg_page_i);
+}
+
+sub msg_page_more { # cold
+ my ($ctx, $nr, $id, $prev, $smsg) = @_;
+ my $ibx = $ctx->{-inbox};
+ my $next = $ibx->over->next_by_mid($ctx->{mid}, \$id, \$prev);
+ $ctx->{more} = [ $id, $prev, $next ] if $next;
+ $smsg = $ibx->smsg_mime($smsg) or return '';
+ $ctx->{mhref} = '../' . mid_href($smsg->{mid}) . '/';
+ my $mime = delete $smsg->{mime};
+ $ctx->{obuf} = _msg_page_prepare_obuf($mime->header_obj, $ctx, $nr);
+ multipart_text_as_html($mime, $ctx);
+ ${delete $ctx->{obuf}} .= '</pre><hr>';
}
-sub feed_entry {
- my ($class, $mime, $full_pfx) = @_;
+# /$INBOX/$MESSAGE_ID/#R
+sub msg_reply ($$) {
+ my ($ctx, $hdr) = @_;
+ my $se_url =
+ 'https://kernel.org/pub/software/scm/git/docs/git-send-email.html';
+ my $p_url =
+ 'https://en.wikipedia.org/wiki/Posting_style#Interleaved_style';
+
+ my $info = '';
+ my $ibx = $ctx->{-inbox};
+ if (my $url = $ibx->{infourl}) {
+ $url = prurl($ctx->{env}, $url);
+ $info = qq(\n List information: <a\nhref="$url">$url</a>\n);
+ }
+
+ my ($arg, $link, $reply_to_all) =
+ PublicInbox::Reply::mailto_arg_link($ibx, $hdr);
+ if (ref($arg) eq 'SCALAR') {
+ return '<pre id=R>'.ascii_html($$arg).'</pre>';
+ }
+
+ # mailto: link only works if address obfuscation is disabled
+ if ($link) {
+ $link = <<EOF;
- PRE_WRAP . multipart_text_as_html($mime, $full_pfx) . '</pre>';
+* If your mail client supports setting the <b>In-Reply-To</b> header
+ via mailto: links, try the <a
+href="$link">mailto: link</a>
+EOF
+ }
+
+ push @$arg, '/path/to/YOUR_REPLY';
+ $arg = ascii_html(join(" \\\n ", '', @$arg));
+ <<EOF
+<hr><pre
+id=R><b>Reply instructions:</b>
+
+You may reply publicly to <a
+href=#t>this message</a> via plain-text email
+using any one of the following methods:
+
+* Save the following mbox file, import it into your mail client,
+ and $reply_to_all from there: <a
+href=raw>mbox</a>
+
+ Avoid top-posting and favor interleaved quoting:
+ <a
+href="$p_url">$p_url</a>
+$info
+* Reply using the <b>--to</b>, <b>--cc</b>, and <b>--in-reply-to</b>
+ switches of git-send-email(1):
+
+ git send-email$arg
+
+ <a
+href="$se_url">$se_url</a>
+$link</pre>
+EOF
}
sub in_reply_to {
- my ($header_obj) = @_;
- my $irt = $header_obj->header('In-Reply-To');
+ my ($hdr) = @_;
+ my $refs = references($hdr);
+ $refs->[-1];
+}
- return mid_clean($irt) if (defined $irt);
+sub fold_addresses ($) {
+ return $_[0] if length($_[0]) <= COLS;
+ # try to fold on commas after non-word chars before $lim chars,
+ # Try to get the "," preceeded by ">" or ")", but avoid folding
+ # on the comma where somebody uses "Lastname, Firstname".
+ # We also try to keep the last and penultimate addresses in
+ # the list on the same line if possible, hence the extra \z
+ # Fall back to folding on spaces at $lim + 1 chars
+ my $lim = COLS - 8; # 8 = "\t" display width
+ my $too_long = $lim + 1;
+ $_[0] =~ s/\s*\z//s; # Email::Simple doesn't strip trailing spaces
+ $_[0] = join("\n\t",
+ ($_[0] =~ /(.{0,$lim}\W(?:,|\z)|
+ .{1,$lim}(?:,|\z)|
+ .{1,$lim}|
+ .{$too_long,}?)(?:\s|\z)/xgo));
+}
- my $refs = $header_obj->header('References');
- if ($refs && $refs =~ /<([^>]+)>\s*\z/s) {
- return $1;
- }
- undef;
+sub _hdr_names_html ($$) {
+ my ($hdr, $field) = @_;
+ my @vals = $hdr->header($field) or return '';
+ ascii_html(join(', ', PublicInbox::Address::names(join(',', @vals))));
}
+sub nr_to_s ($$$) {
+ my ($nr, $singular, $plural) = @_;
+ return "0 $plural" if $nr == 0;
+ $nr == 1 ? "$nr $singular" : "$nr $plural";
+}
+
+# human-friendly format
+sub fmt_ts ($) { strftime('%Y-%m-%d %k:%M', gmtime($_[0])) }
+
# this is already inside a <pre>
sub index_entry {
- my ($fh, $mime, $level, $state) = @_;
- my $midx = $state->{anchor_idx}++;
- my $ctx = $state->{ctx};
- 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 $mid_raw = $header_obj->header('Message-ID');
- my $id = anchor_for($mid_raw);
- my $seen = $state->{seen};
- $seen->{$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 = 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 $path = $root_anchor ? '../../' : '';
- my $href = $mid->as_href;
- my $irt = in_reply_to($header_obj);
- my $parent_anchor = $seen->{anchor_for($irt)} if defined $irt;
-
- if ($srch) {
- my $t = $ctx->{flat} ? 'T' : 't';
- $subj = "<a\nhref=\"${path}$href/$t/#u\">$subj</a>";
- }
- if ($root_anchor eq $id) {
- $subj = "<u\nid=\"u\">$subj</u>";
- }
-
- my $ts = _msg_date($mime);
- my $rv = "<table\nsummary=l$level><tr>";
- if ($level) {
- $rv .= '<td><pre>' . (INDENT x $level) . '</pre></td>';
- }
- $rv .= "<td\nid=s$midx>" . PRE_WRAP;
- $rv .= "<b\nid=\"$id\">$subj</b>\n";
- $rv .= "- by $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}$href/";
-
- # show full message if it's our root message
- if ($root_anchor ne $id) {
- $fhref = "${path}$href/f/";
- $more_ref = \$more;
- }
- # scan through all parts, looking for displayable text
- $mime->walk_parts(sub {
- index_walk($fh, $_[0], $enc, \$part_nr, $fhref, $more_ref);
- });
- $mime->body_set('');
-
- my $txt = "${path}$href/raw";
- $rv = "\n<a\nhref=\"$mhref\">$more</a> <a\nhref=\"$txt\">raw</a> ";
- $rv .= html_footer($mime, 0, undef, $ctx);
-
- if (defined $irt) {
- unless (defined $parent_anchor) {
- my $v = PublicInbox::Hval->new_msgid($irt, 1);
- $v = $v->as_href;
- $parent_anchor = "${path}$v/";
+ my ($smsg, $ctx, $more) = @_;
+ my $subj = $smsg->subject;
+ my $mid_raw = $smsg->mid;
+ my $id = id_compress($mid_raw, 1);
+ my $id_m = 'm'.$id;
+
+ my $root_anchor = $ctx->{root_anchor} || '';
+ my $irt;
+ my $obfs_ibx = $ctx->{-obfs_ibx};
+
+ $subj = '(no subject)' if $subj eq '';
+ my $rv = "<a\nhref=#e$id\nid=m$id>*</a> ";
+ $subj = '<b>'.ascii_html($subj).'</b>';
+ obfuscate_addrs($obfs_ibx, $subj) if $obfs_ibx;
+ $subj = "<u\nid=u>$subj</u>" if $root_anchor eq $id_m;
+ $rv .= $subj . "\n";
+ $rv .= _th_index_lite($mid_raw, \$irt, $id, $ctx);
+ my @tocc;
+ my $ds = $smsg->ds; # for v1 non-Xapian/SQLite users
+ # deleting {mime} is critical to memory use,
+ # the rest of the fields saves about 400K as we iterate across 1K msgs
+ my ($mime) = delete @$smsg{qw(mime ds ts blob subject)};
+
+ my $hdr = $mime->header_obj;
+ my $from = _hdr_names_html($hdr, 'From');
+ obfuscate_addrs($obfs_ibx, $from) if $obfs_ibx;
+ $rv .= "From: $from @ ".fmt_ts($ds)." UTC";
+ my $upfx = $ctx->{-upfx};
+ my $mhref = $upfx . mid_href($mid_raw) . '/';
+ $rv .= qq{ (<a\nhref="$mhref">permalink</a> / };
+ $rv .= qq{<a\nhref="${mhref}raw">raw</a>)\n};
+ my $to = fold_addresses(_hdr_names_html($hdr, 'To'));
+ my $cc = fold_addresses(_hdr_names_html($hdr, 'Cc'));
+ my ($tlen, $clen) = (length($to), length($cc));
+ my $to_cc = '';
+ if (($tlen + $clen) > COLS) {
+ $to_cc .= ' To: '.$to."\n" if $tlen;
+ $to_cc .= ' Cc: '.$cc."\n" if $clen;
+ } else {
+ if ($tlen) {
+ $to_cc .= ' To: '.$to;
+ $to_cc .= '; <b>+Cc:</b> '.$cc if $clen;
+ } else {
+ $to_cc .= ' Cc: '.$cc if $clen;
}
- $rv .= " <a\nhref=\"$parent_anchor\">parent</a>";
+ $to_cc .= "\n";
+ }
+ obfuscate_addrs($obfs_ibx, $to_cc) if $obfs_ibx;
+ $rv .= $to_cc;
+
+ my $mapping = $ctx->{mapping};
+ if (!$mapping && (defined($irt) || defined($irt = in_reply_to($hdr)))) {
+ my $href = $upfx . mid_href($irt) . '/';
+ my $html = ascii_html($irt);
+ $rv .= qq(In-Reply-To: <<a\nhref="$href">$html</a>>\n)
}
- if ($srch) {
+ $rv .= "\n";
+
+ # scan through all parts, looking for displayable text
+ $ctx->{mhref} = $mhref;
+ $ctx->{obuf} = \$rv;
+ msg_iter($mime, \&add_text_body, $ctx, 1);
+ delete $ctx->{obuf};
+
+ # add the footer
+ $rv .= "\n<a\nhref=#$id_m\nid=e$id>^</a> ".
+ "<a\nhref=\"$mhref\">permalink</a>" .
+ " <a\nhref=\"${mhref}raw\">raw</a>" .
+ " <a\nhref=\"${mhref}#R\">reply</a>";
+
+ my $hr;
+ if (defined(my $pct = $smsg->{pct})) { # used by SearchView.pm
+ $rv .= "\t[relevance $pct%]";
+ $hr = 1;
+ } elsif ($mapping) {
+ my $nested = 'nested';
+ my $flat = 'flat';
+ my $end = '';
if ($ctx->{flat}) {
- $rv .= " [<a\nhref=\"${path}$href/t/#u\">threaded</a>" .
- "|<b>flat</b>]";
+ $hr = 1;
+ $flat = "<b>$flat</b>";
} else {
- $rv .= " [<b>threaded</b>|" .
- "<a\nhref=\"${path}$href/T/#u\">flat</a>]";
+ $nested = "<b>$nested</b>";
}
+ $rv .= "\t[<a\nhref=\"${mhref}T/#u\">$flat</a>";
+ $rv .= "|<a\nhref=\"${mhref}t/#u\">$nested</a>]";
+ $rv .= " <a\nhref=#r$id>$ctx->{s_nr}</a>";
+ } else {
+ $hr = $ctx->{-hr};
}
- $fh->write($rv .= '</pre></td></tr></table>');
+ $rv .= $more ? '</pre><hr><pre>' : '</pre>' if $hr;
+ $rv;
}
-sub thread_html {
- my ($ctx, $foot, $srch) = @_;
- sub { emit_thread_html($_[0], $ctx, $foot, $srch) }
+sub pad_link ($$;$) {
+ my ($mid, $level, $s) = @_;
+ $s ||= '...';
+ my $id = id_compress($mid, 1);
+ (' 'x19).indent_for($level).th_pfx($level)."<a\nhref=#r$id>($s)</a>\n";
}
-# only private functions below.
-
-sub emit_thread_html {
- my ($cb, $ctx, $foot, $srch) = @_;
- my $mid = $ctx->{mid};
- my $res = $srch->get_thread($mid);
- my $msgs = load_results($res);
- my $nr = scalar @$msgs;
- return missing_thread($cb, $ctx) if $nr == 0;
- my $flat = $ctx->{flat};
- my $orig_cb = $cb;
- my $seen = {};
- my $state = {
- ctx => $ctx,
- seen => $seen,
- root_anchor => anchor_for($mid),
- anchor_idx => 0,
- };
+sub _th_index_lite {
+ my ($mid_raw, $irt, $id, $ctx) = @_;
+ my $rv = '';
+ my $mapping = $ctx->{mapping} or return $rv;
+ my $pad = ' ';
+ my $mid_map = $mapping->{$mid_raw};
+ defined $mid_map or
+ return 'public-inbox BUG: '.ascii_html($mid_raw).' not mapped';
+ my ($attr, $node, $idx, $level) = @$mid_map;
+ my $children = $node->{children};
+ my $nr_c = scalar @$children;
+ my $nr_s = 0;
+ my $siblings;
+ if (my $smsg = $node->{smsg}) {
+ # delete saves about 200KB on a 1K message thread
+ if (my $refs = delete $smsg->{references}) {
+ ($$irt) = ($refs =~ m/$MID_EXTRACT\z/o);
+ }
+ }
+ my $irt_map = $mapping->{$$irt} if defined $$irt;
+ if (defined $irt_map) {
+ $siblings = $irt_map->[1]->{children};
+ $nr_s = scalar(@$siblings) - 1;
+ $rv .= $pad . $irt_map->[0];
+ if ($idx > 0) {
+ my $prev = $siblings->[$idx - 1];
+ my $pmid = $prev->{id};
+ if ($idx > 2) {
+ my $s = ($idx - 1). ' preceding siblings ...';
+ $rv .= pad_link($pmid, $level, $s);
+ } elsif ($idx == 2) {
+ my $ppmid = $siblings->[0]->{id};
+ $rv .= $pad . $mapping->{$ppmid}->[0];
+ }
+ $rv .= $pad . $mapping->{$pmid}->[0];
+ }
+ }
+ my $s_s = nr_to_s($nr_s, 'sibling', 'siblings');
+ my $s_c = nr_to_s($nr_c, 'reply', 'replies');
+ $attr =~ s!\n\z!</b>\n!s;
+ $attr =~ s!<a\nhref.*</a> !!s; # no point in duplicating subject
+ $attr =~ s!<a\nhref=[^>]+>([^<]+)</a>!$1!s; # no point linking to self
+ $rv .= "<b>@ $attr";
+ if ($nr_c) {
+ my $cmid = $children->[0]->{id};
+ $rv .= $pad . $mapping->{$cmid}->[0];
+ if ($nr_c > 2) {
+ my $s = ($nr_c - 1). ' more replies';
+ $rv .= pad_link($cmid, $level + 1, $s);
+ } elsif (my $cn = $children->[1]) {
+ $rv .= $pad . $mapping->{$cn->{id}}->[0];
+ }
+ }
- require PublicInbox::GitCatFile;
- my $git = PublicInbox::GitCatFile->new($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;
+ my $next = $siblings->[$idx+1] if $siblings && $idx >= 0;
+ if ($next) {
+ my $nmid = $next->{id};
+ $rv .= $pad . $mapping->{$nmid}->[0];
+ my $nnext = $nr_s - $idx;
+ if ($nnext > 2) {
+ my $s = ($nnext - 1).' subsequent siblings';
+ $rv .= pad_link($nmid, $level, $s);
+ } elsif (my $nn = $siblings->[$idx + 2]) {
+ $rv .= $pad . $mapping->{$nn->{id}}->[0];
+ }
}
- $git = undef;
- Email::Address->purge_cache;
+ $rv .= $pad ."<a\nhref=#r$id>$s_s, $s_c; $ctx->{s_nr}</a>\n";
+}
- # there could be a race due to a message being deleted in git
- # but still being in the Xapian index:
- return missing_thread($cb, $ctx) if ($orig_cb eq $cb);
+# non-recursive thread walker
+sub walk_thread ($$$) {
+ my ($rootset, $ctx, $cb) = @_;
+ my @q = map { (0, $_, -1) } @$rootset;
+ while (@q) {
+ my ($level, $node, $i) = splice(@q, 0, 3);
+ defined $node or next;
+ $cb->($ctx, $level, $node, $i) or return;
+ ++$level;
+ $i = 0;
+ unshift @q, map { ($level, $_, $i++) } @{$node->{children}};
+ }
+}
- my $final_anchor = $state->{anchor_idx};
- my $next = "<a\nid=\"s$final_anchor\">";
- $next .= $final_anchor == 1 ? 'only message in' : 'end of';
- $next .= " thread</a>, back to <a\nhref=\"../../\">index</a>";
- $next .= "\ndownload thread: <a\nhref=\"../t.mbox.gz\">mbox.gz</a>";
- $next .= " / follow: <a\nhref=\"../t.atom\">Atom feed</a>";
- $cb->write("<hr />" . PRE_WRAP . $next . "\n\n". $foot .
- "</pre></body></html>");
- $cb->close;
+sub pre_thread { # walk_thread callback
+ my ($ctx, $level, $node, $idx) = @_;
+ $ctx->{mapping}->{$node->{id}} = [ '', $node, $idx, $level ];
+ skel_dump($ctx, $level, $node);
}
-sub index_walk {
- my ($fh, $part, $enc, $part_nr, $fhref, $more) = @_;
- my $s = add_text_body($enc, $part, $part_nr, $fhref);
+sub thread_index_entry {
+ my ($ctx, $level, $smsg) = @_;
+ my ($beg, $end) = thread_adj_level($ctx, $level);
+ $beg . '<pre>' . index_entry($smsg, $ctx, 0) . '</pre>' . $end;
+}
- if ($more) {
- # drop the remainder of git patches, they're usually better
- # to review when the full message is viewed
- $s =~ s!^---+\n.*\z!!ms and $$more = 'more...';
+sub stream_thread_i { # PublicInbox::WwwStream::getline callback
+ my ($nr, $ctx) = @_;
+ return unless exists($ctx->{skel});
+ my $q = $ctx->{-queue};
+ while (@$q) {
+ my $level = shift @$q;
+ my $node = shift @$q or next;
+ my $cl = $level + 1;
+ unshift @$q, map { ($cl, $_) } @{$node->{children}};
+ if (my $smsg = $ctx->{-inbox}->smsg_mime($node->{smsg})) {
+ return thread_index_entry($ctx, $level, $smsg);
+ } else {
+ return ghost_index_entry($ctx, $level, $node);
+ }
+ }
+ join('', thread_adj_level($ctx, 0)) . ${delete $ctx->{skel}};
+}
- # Drop signatures
- $s =~ s/^-- \n.*\z//ms and $$more = 'more...';
+sub stream_thread ($$) {
+ my ($rootset, $ctx) = @_;
+ my $ibx = $ctx->{-inbox};
+ my @q = map { (0, $_) } @$rootset;
+ my ($smsg, $level);
+ while (@q) {
+ $level = shift @q;
+ my $node = shift @q or next;
+ my $cl = $level + 1;
+ unshift @q, map { ($cl, $_) } @{$node->{children}};
+ $smsg = $ibx->smsg_mime($node->{smsg}) and last;
}
+ return missing_thread($ctx) unless $smsg;
- # kill any leading or trailing whitespace lines
- $s =~ s/^\s*$//sgm;
- $s =~ s/\s+\z//s;
+ $ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
+ $ctx->{-title_html} = ascii_html($smsg->{subject});
+ $ctx->{-html_tip} = thread_index_entry($ctx, $level, $smsg);
+ $ctx->{-queue} = \@q;
+ PublicInbox::WwwStream->response($ctx, 200, \&stream_thread_i);
+}
- if ($s ne '') {
- # kill per-line trailing whitespace
- $s =~ s/[ \t]+$//sgm;
- $s .= "\n" unless $s =~ /\n\z/s;
+# /$INBOX/$MESSAGE_ID/t/
+sub thread_html {
+ my ($ctx) = @_;
+ my $mid = $ctx->{mid};
+ my $ibx = $ctx->{-inbox};
+ my ($nr, $msgs) = $ibx->over->get_thread($mid);
+ return missing_thread($ctx) if $nr == 0;
+ my $skel = '<hr><pre>';
+ $skel .= $nr == 1 ? 'only message in thread' : 'end of thread';
+ $skel .= ", back to <a\nhref=\"../../\">index</a>\n\n";
+ $skel .= "<b\nid=t>Thread overview:</b> ";
+ $skel .= $nr == 1 ? '(only message)' : "$nr+ messages";
+ $skel .= " (download: <a\nhref=\"../t.mbox.gz\">mbox.gz</a>";
+ $skel .= " / follow: <a\nhref=\"../t.atom\">Atom feed</a>)\n";
+ $skel .= "-- links below jump to the message on this page --\n";
+ $ctx->{-upfx} = '../../';
+ $ctx->{cur_level} = 0;
+ $ctx->{skel} = \$skel;
+ $ctx->{prev_attr} = '';
+ $ctx->{prev_level} = 0;
+ $ctx->{root_anchor} = anchor_for($mid);
+ $ctx->{mapping} = {};
+ $ctx->{s_nr} = ($nr > 1 ? "$nr+ messages" : 'only message')
+ .' in thread';
+
+ my $rootset = thread_results($ctx, $msgs);
+
+ # reduce hash lookups in pre_thread->skel_dump
+ $ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
+ walk_thread($rootset, $ctx, \&pre_thread);
+
+ $skel .= '</pre>';
+ return stream_thread($rootset, $ctx) unless $ctx->{flat};
+
+ # flat display: lazy load the full message from smsg
+ my $smsg;
+ while (my $m = shift @$msgs) {
+ $smsg = $ibx->smsg_mime($m) and last;
}
- $fh->write($s);
+ return missing_thread($ctx) unless $smsg;
+ $ctx->{-title_html} = ascii_html($smsg->{subject});
+ $ctx->{-html_tip} = '<pre>'.index_entry($smsg, $ctx, scalar @$msgs);
+ $ctx->{msgs} = $msgs;
+ PublicInbox::WwwStream->response($ctx, 200, \&thread_html_i);
}
-sub enc_for {
- my ($ct, $default) = @_;
- $default ||= $enc_utf8;
- defined $ct or return $default;
- my $ct_parsed = parse_content_type($ct);
- if ($ct_parsed) {
- if (my $charset = $ct_parsed->{attributes}->{charset}) {
- my $enc = find_encoding($charset);
- return $enc if $enc;
- }
+sub thread_html_i { # PublicInbox::WwwStream::getline callback
+ my ($nr, $ctx) = @_;
+ my $msgs = $ctx->{msgs} or return;
+ while (my $smsg = shift @$msgs) {
+ $ctx->{-inbox}->smsg_mime($smsg) or next;
+ return index_entry($smsg, $ctx, scalar @$msgs);
}
- $default;
+ my ($skel) = delete @$ctx{qw(skel msgs)};
+ $$skel;
}
sub multipart_text_as_html {
- my ($mime, $full_pfx, $srch) = @_;
- my $rv = "";
- my $part_nr = 0;
- my $enc = enc_for($mime->header("Content-Type"));
+ # ($mime, $ctx) = @_; # msg_iter will do "$_[0] = undef"
# scan through all parts, looking for displayable text
- $mime->walk_parts(sub {
- my ($part) = @_;
- $rv .= add_text_body($enc, $part, \$part_nr, $full_pfx, 1);
- });
- $mime->body_set('');
- $rv;
+ msg_iter($_[0], \&add_text_body, $_[1], 1);
}
-sub add_filename_line {
- my ($enc, $fn) = @_;
- my $len = 72;
- my $pad = "-";
- $fn = $enc->decode($fn);
- $len -= length($fn);
- $pad x= ($len/2) if ($len > 0);
- "$pad " . ascii_html($fn) . " $pad\n";
-}
-
-my $LINK_RE = qr!\b((?:ftp|https?|nntp)://
- [\@:\w\.-]+/
- ?[\@\w\+\&\?\.\%\;/#=-]*)!x;
-
-sub linkify_1 {
- my ($link_map, $s) = @_;
- $s =~ s!$LINK_RE!
- my $url = $1;
- # salt this, as this could be exploited to show
- # links in the HTML which don't show up in the raw mail.
- my $key = sha1_hex($url . $SALT);
- $link_map->{$key} = $url;
- 'PI-LINK-'. $key;
- !ge;
- $s;
-}
-
-sub linkify_2 {
- my ($link_map, $s) = @_;
-
- # Added "PI-LINK-" prefix to avoid false-positives on git commits
- $s =~ s!\bPI-LINK-([a-f0-9]{40})\b!
- my $key = $1;
- my $url = $link_map->{$key};
- if (defined $url) {
- $url = ascii_html($url);
- "<a\nhref=\"$url\">$url</a>";
- } else {
- # false positive or somebody tried to mess with us
- $key;
- }
- !ge;
- $s;
+sub attach_link ($$$$;$) {
+ my ($ctx, $ct, $p, $fn, $err) = @_;
+ my ($part, $depth, @idx) = @$p;
+ my $nl = $idx[-1] > 1 ? "\n" : '';
+ my $idx = join('.', @idx);
+ my $size = bytes::length($part->body);
+
+ # hide attributes normally, unless we want to aid users in
+ # spotting MUA problems:
+ $ct =~ s/;.*// unless $err;
+ $ct = ascii_html($ct);
+ my $sfn;
+ if (defined $fn && $fn =~ /\A$PublicInbox::Hval::FN\z/o) {
+ $sfn = $fn;
+ } elsif ($ct eq 'text/plain') {
+ $sfn = 'a.txt';
+ } else {
+ $sfn = 'a.bin';
+ }
+ my $rv = $ctx->{obuf};
+ $$rv .= qq($nl<a\nhref="$ctx->{mhref}$idx-$sfn">);
+ if ($err) {
+ $$rv .= <<EOF;
+[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
+EOF
+ }
+ $$rv .= "[-- Attachment #$idx: ";
+ my $ts = "Type: $ct, Size: $size bytes";
+ my $desc = $part->header('Content-Description') // $fn // '';
+ $desc = ascii_html($desc);
+ $$rv .= ($desc eq '') ? "$ts --]" : "$desc --]\n[-- $ts --]";
+ $$rv .= "</a>\n";
+ undef;
}
-sub flush_quote {
- my ($quot, $n, $part_nr, $full_pfx, $final, $do_anchor) = @_;
-
- if ($full_pfx) {
- if (!$final && scalar(@$quot) <= MAX_INLINE_QUOTED) {
- # show quote inline
- my %l;
- my $rv = join('', map { linkify_1(\%l, $_) } @$quot);
- @$quot = ();
- $rv = ascii_html($rv);
- return linkify_2(\%l, $rv);
- }
-
- # show a short snippet of quoted text and link to full version:
- @$quot = map { s/^(?:>\s*)+//gm; $_ } @$quot;
- my $cur = join(' ', @$quot);
- @$quot = split(/\s+/, $cur);
- $cur = '';
- do {
- my $tmp = shift(@$quot);
- my $len = length($tmp) + length($cur);
- if ($len > MAX_TRUNC_LEN) {
- @$quot = ();
+sub add_text_body { # callback for msg_iter
+ my ($p, $ctx) = @_;
+ my $upfx = $ctx->{mhref};
+ my $ibx = $ctx->{-inbox};
+ # $p - from msg_iter: [ Email::MIME, depth, @idx ]
+ my ($part, $depth, @idx) = @$p;
+ my $ct = $part->content_type || 'text/plain';
+ my $fn = $part->filename;
+ my ($s, $err) = msg_part_text($part, $ct);
+ return attach_link($ctx, $ct, $p, $fn) unless defined $s;
+
+ # makes no difference to browsers, and don't screw up filename
+ # link generation in diffs with the extra '%0D'
+ $s =~ s/\r\n/\n/sg;
+
+ # will be escaped to `•' in HTML
+ obfuscate_addrs($ibx, $s, "\x{2022}") if $ibx->{obfuscate};
+
+ # always support diff-highlighting, but we can't linkify hunk
+ # headers for solver unless some coderepo are configured:
+ my $diff;
+ if ($s =~ /^(?:diff|---|\+{3}) /ms) {
+ # diffstat anchors do not link across attachments or messages:
+ $idx[0] = $upfx . $idx[0] if $upfx ne '';
+ $ctx->{-apfx} = join('/', @idx);
+ $ctx->{-anchors} = {}; # attr => filename
+ $diff = 1;
+ delete $ctx->{-long_path};
+ my $spfx;
+ if ($ibx->{-repo_objs}) {
+ if (index($upfx, '//') >= 0) { # absolute URL (Atom feeds)
+ $spfx = $upfx;
+ $spfx =~ s!/([^/]*)/\z!/!;
} else {
- $cur .= $tmp . ' ';
- }
- } while (@$quot && length($cur) < MAX_TRUNC_LEN);
- @$quot = ();
- $cur =~ s/ \z/ .../s;
- $cur = ascii_html($cur);
- my $nr = ++$$n;
- "> [<a\nhref=\"$full_pfx#q${part_nr}_$nr\">$cur</a>]\n";
- } else {
- # show everything in the full version with anchor from
- # short version (see above)
- my %l;
- my $rv .= join('', map { linkify_1(\%l, $_) } @$quot);
- @$quot = ();
- $rv = ascii_html($rv);
- return linkify_2(\%l, $rv) unless $do_anchor;
- my $nr = ++$$n;
- "<a\nid=q${part_nr}_$nr></a>" . linkify_2(\%l, $rv);
- }
-}
-
-sub add_text_body {
- my ($enc_msg, $part, $part_nr, $full_pfx, $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) {
- $part->body_set('');
- return '';
- }
- my $enc = enc_for($ct, $enc_msg);
- my $n = 0;
- my $nr = 0;
- my $s = $part->body;
- $part->body_set('');
- $s = $enc->decode($s);
- my @lines = split(/^/m, $s);
- $s = '';
-
- if ($$part_nr > 0) {
- my $fn = $part->filename;
- defined($fn) or $fn = "part #" . ($$part_nr + 1);
- $s .= add_filename_line($enc, $fn);
- }
-
- my @quot;
- while (defined(my $cur = shift @lines)) {
- if ($cur !~ /^>/) {
- # show the previously buffered quote inline
- if (scalar @quot) {
- $s .= flush_quote(\@quot, \$n, $$part_nr,
- $full_pfx, 0, $do_anchor);
+ my $n_slash = $upfx =~ tr!/!/!;
+ if ($n_slash == 0) {
+ $spfx = '../';
+ } elsif ($n_slash == 1) {
+ $spfx = '';
+ } else { # nslash == 2
+ $spfx = '../../';
+ }
}
+ }
+ $ctx->{-spfx} = $spfx;
+ };
- # regular line, OK
- my %l;
- $cur = linkify_1(\%l, $cur);
- $cur = ascii_html($cur);
- $s .= linkify_2(\%l, $cur);
+ # some editors don't put trailing newlines at the end:
+ $s .= "\n" unless $s =~ /\n\z/s;
+
+ # split off quoted and unquoted blocks:
+ my @sections = PublicInbox::MsgIter::split_quotes($s);
+ undef $s; # free memory
+ my $rv = $ctx->{obuf};
+ if (defined($fn) || $depth > 0 || $err) {
+ # badly-encoded message with $err? tell the world about it!
+ attach_link($ctx, $ct, $p, $fn, $err);
+ $$rv .= "\n";
+ }
+ my $l = $ctx->{-linkify} //= PublicInbox::Linkify->new;
+ foreach my $cur (@sections) {
+ if ($cur =~ /\A>/) {
+ # we use a <span> here to allow users to specify
+ # their own color for quoted text
+ $$rv .= qq(<span\nclass="q">);
+ $$rv .= $l->to_html($cur);
+ $$rv .= '</span>';
+ } elsif ($diff) {
+ flush_diff($ctx, \$cur);
} else {
- push @quot, $cur;
+ # regular lines, OK
+ $$rv .= $l->to_html($cur);
+ }
+ undef $cur; # free memory
+ }
+}
+
+sub _msg_page_prepare_obuf {
+ my ($hdr, $ctx, $nr) = @_;
+ my $over = $ctx->{-inbox}->over;
+ my $obfs_ibx = $ctx->{-obfs_ibx};
+ my $rv = '';
+ my $mids = mids_for_index($hdr);
+ if ($nr == 0) {
+ if ($ctx->{more}) {
+ $rv .=
+"<pre>WARNING: multiple messages have this Message-ID\n</pre>";
}
+ $rv .= "<pre\nid=b>"; # anchor for body start
+ } else {
+ $rv .= '<pre>';
}
- if (scalar @quot) {
- $s .= flush_quote(\@quot, \$n, $$part_nr, $full_pfx, 1,
- $do_anchor);
+ if ($over) {
+ $ctx->{-upfx} = '../';
}
- $s .= "\n" unless $s =~ /\n\z/s;
- ++$$part_nr;
- $s;
-}
-
-sub headers_to_html_header {
- my ($mime, $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');
- $mid = PublicInbox::Hval->new_msgid($mid);
- my $mid_href = $mid->as_href;
- foreach my $h (qw(From To Cc Subject Date)) {
- my $v = $mime->header($h);
- defined($v) && ($v ne '') or next;
- $v = PublicInbox::Hval->new_oneline($v);
-
- if ($h eq 'From') {
- my @from = Email::Address->parse($v->raw);
- $title[1] = ascii_html($from[0]->name);
- } elsif ($h eq 'Subject') {
- $title[0] = $v->as_html;
- if ($srch) {
- my $p = $full_pfx ? '' : '../';
- $rv .= "$h: <a\nid=\"t\"\nhref=\"${p}t/#u\">";
- $rv .= $v->as_html . "</a>\n";
- next;
- }
+ my @title; # (Subject[0], From[0])
+ for my $v ($hdr->header('From')) {
+ my @n = PublicInbox::Address::names($v);
+ $v = ascii_html($v);
+ $title[1] //= ascii_html(join(', ', @n));
+ if ($obfs_ibx) {
+ obfuscate_addrs($obfs_ibx, $v);
+ obfuscate_addrs($obfs_ibx, $title[1]);
+ }
+ $rv .= "From: $v\n" if $v ne '';
+ }
+ foreach my $h (qw(To Cc)) {
+ for my $v ($hdr->header($h)) {
+ fold_addresses($v);
+ $v = ascii_html($v);
+ obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
+ $rv .= "$h: $v\n" if $v ne '';
}
- $rv .= "$h: " . $v->as_html . "\n";
-
}
- $rv .= 'Message-ID: <' . $mid->as_html . '> ';
- my $raw_ref = $full_pfx ? 'raw' : '../raw';
- $rv .= "(<a\nhref=\"$raw_ref\">raw</a>)\n";
- if ($srch) {
- $rv .= "<a\nhref=\"#r\">References: [see below]</a>\n";
+ my @subj = $hdr->header('Subject');
+ if (@subj) {
+ my $v = ascii_html(shift @subj);
+ obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
+ $rv .= 'Subject: ';
+ $rv .= $over ? qq(<a\nhref="#r"\nid=t>$v</a>\n) : "$v\n";
+ $title[0] = $v;
+ for $v (@subj) { # multi-Subject message :<
+ $v = ascii_html($v);
+ obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
+ $rv .= "Subject: $v\n";
+ }
+ } else { # dummy anchor for thread skeleton at bottom of page
+ $rv .= qq(<a\nhref="#r"\nid=t></a>) if $over;
+ $title[0] = '(no subject)';
+ }
+ for my $v ($hdr->header('Date')) {
+ $v = ascii_html($v);
+ obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx; # possible :P
+ $rv .= "Date: $v\n";
+ }
+ $ctx->{-title_html} = join(' - ', @title);
+ if (scalar(@$mids) == 1) { # common case
+ my $mhtml = ascii_html($mids->[0]);
+ $rv .= "Message-ID: <$mhtml> ";
+ $rv .= "(<a\nhref=\"raw\">raw</a>)\n";
} else {
- $rv .= _parent_headers_nosrch($header_obj);
+ # X-Alt-Message-ID can happen if a message is injected from
+ # public-inbox-nntpd because of multiple Message-ID headers.
+ my $lnk = PublicInbox::Linkify->new;
+ my $s = '';
+ for my $h (qw(Message-ID X-Alt-Message-ID)) {
+ $s .= "$h: $_\n" for ($hdr->header_raw($h));
+ }
+ $lnk->linkify_mids('..', \$s, 1);
+ $rv .= $s;
}
+ $rv .= _parent_headers($hdr, $over);
$rv .= "\n";
-
- ("<html><head><title>". join(' - ', @title) .
- '</title></head><body>' . PRE_WRAP . $rv);
+ \$rv;
}
-sub thread_inline {
- my ($dst, $ctx, $cur, $full_pfx) = @_;
- my $srch = $ctx->{srch};
- my $mid = mid_clean($cur->header('Message-ID'));
- my $res = $srch->get_thread($mid);
- my $nr = $res->{total};
+sub SKEL_EXPAND () {
+ qq(expand[<a\nhref="T/#u">flat</a>) .
+ qq(|<a\nhref="t/#u">nested</a>] ) .
+ qq(<a\nhref="t.mbox.gz">mbox.gz</a> ) .
+ qq(<a\nhref="t.atom">Atom feed</a>);
+}
+sub thread_skel ($$$) {
+ my ($skel, $ctx, $hdr) = @_;
+ my $mid = mids($hdr)->[0];
+ my $ibx = $ctx->{-inbox};
+ my ($nr, $msgs) = $ibx->over->get_thread($mid);
+ my $parent = in_reply_to($hdr);
+ $$skel .= "\n<b>Thread overview: </b>";
if ($nr <= 1) {
- $$dst .= "\n[no followups, yet]\n";
- return (undef, in_reply_to($cur));
- }
- my $upfx = $full_pfx ? '' : '../';
-
- $$dst .= "\n\n~$nr messages in thread: ".
- "(<a\nhref=\"${upfx}t/#u\">expand</a>)\n";
- my $subj = $srch->subject_path($cur->header('Subject'));
- my $parent = in_reply_to($cur);
- 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);
+ if (defined $parent) {
+ $$skel .= SKEL_EXPAND."\n ";
+ $$skel .= ghost_parent('../', $parent) . "\n";
+ } else {
+ $$skel .= '[no followups] '.SKEL_EXPAND."\n";
+ }
+ $ctx->{next_msg} = undef;
+ $ctx->{parent_msg} = $parent;
+ return;
}
- ($state->{next_msg}, $state->{parent});
+
+ $$skel .= $nr;
+ $$skel .= '+ messages / '.SKEL_EXPAND.qq! <a\nhref="#b">top</a>\n!;
+
+ # nb: mutt only shows the first Subject in the index pane
+ # when multiple Subject: headers are present, so we follow suit:
+ my $subj = $hdr->header('Subject') // '';
+ $subj = '(no subject)' if $subj eq '';
+ $ctx->{prev_subj} = [ split(/ /, subject_normalized($subj)) ];
+ $ctx->{cur} = $mid;
+ $ctx->{prev_attr} = '';
+ $ctx->{prev_level} = 0;
+ $ctx->{skel} = $skel;
+
+ # reduce hash lookups in skel_dump
+ $ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
+ walk_thread(thread_results($ctx, $msgs), $ctx, \&skel_dump);
+
+ $ctx->{parent_msg} = $parent;
}
-sub _parent_headers_nosrch {
- my ($header_obj) = @_;
+sub _parent_headers {
+ my ($hdr, $over) = @_;
my $rv = '';
-
- my $irt = in_reply_to($header_obj);
- if (defined $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');
- if ($refs) {
- # avoid redundant URLs wasting bandwidth
- my %seen;
- $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_nosrch($ref);
+ my @irt = $hdr->header_raw('In-Reply-To');
+ my $refs;
+ if (@irt) {
+ my $lnk = PublicInbox::Linkify->new;
+ $rv .= "In-Reply-To: $_\n" for @irt;
+ $lnk->linkify_mids('..', \$rv);
+ } else {
+ $refs = references($hdr);
+ my $irt = pop @$refs;
+ if (defined $irt) {
+ my $html = ascii_html($irt);
+ my $href = mid_href($irt);
+ $rv .= "In-Reply-To: <";
+ $rv .= "<a\nhref=\"../$href/\">$html</a>>\n";
}
+ }
- if (@refs) {
- $rv .= 'References: '. join(' ', @refs) . "\n";
- }
+ # do not display References: if search is present,
+ # we show the thread skeleton at the bottom, instead.
+ return $rv if $over;
+
+ $refs //= references($hdr);
+ if (@$refs) {
+ @$refs = map { linkify_ref_no_over($_) } @$refs;
+ $rv .= 'References: '. join("\n\t", @$refs) . "\n";
}
$rv;
}
+# returns a string buffer via ->getline
sub html_footer {
- my ($mime, $standalone, $full_pfx, $ctx) = @_;
- my %cc; # everyone else
- my $to; # this is the From address
-
- foreach my $h (qw(From To Cc)) {
- my $v = $mime->header($h);
- defined($v) && ($v ne '') or next;
- my @addrs = Email::Address->parse($v);
- foreach my $recip (@addrs) {
- my $address = $recip->address;
- my $dst = lc($address);
- $cc{$dst} ||= $address;
- $to ||= $dst;
+ my ($ctx, $hdr) = @_;
+ my $ibx = $ctx->{-inbox};
+ my $upfx = '../';
+ my $skel = " <a\nhref=\"$upfx\">index</a>";
+ my $rv = '<pre>';
+ if ($ibx->over) {
+ $skel .= "\n";
+ thread_skel(\$skel, $ctx, $hdr);
+ my ($next, $prev);
+ my $parent = ' ';
+ $next = $prev = ' ';
+
+ if (my $n = $ctx->{next_msg}) {
+ $n = mid_href($n);
+ $next = "<a\nhref=\"$upfx$n/\"\nrel=next>next</a>";
}
- }
- Email::Address->purge_cache if $standalone;
-
- my $subj = $mime->header('Subject') || '';
- $subj = "Re: $subj" unless $subj =~ /\bRe:/i;
- my $mid = $mime->header('Message-ID');
- my $irt = uri_escape_utf8($mid);
- delete $cc{$to};
- $to = uri_escape_utf8($to);
- $subj = uri_escape_utf8($subj);
-
- my $cc = uri_escape_utf8(join(',', sort values %cc));
- my $href = "mailto:$to?In-Reply-To=$irt&Cc=${cc}&Subject=$subj";
-
- my $srch = $ctx->{srch} if $ctx;
- my $upfx = $full_pfx ? '../' : '../../';
- my $idx = $standalone ? " <a\nhref=\"$upfx\">index</a>" : '';
- if ($idx && $srch) {
- my ($next, $p) = thread_inline(\$idx, $ctx, $mime, $full_pfx);
- if (defined $p) {
- $p = PublicInbox::Hval->new_oneline($p);
- $p = $p->as_href;
- $irt = "<a\nhref=\"$upfx$p/\">parent</a> ";
- } else {
- $irt = ' ' x length('parent ');
+ my $u;
+ my $par = $ctx->{parent_msg};
+ if ($par) {
+ $u = mid_href($par);
+ $u = "$upfx$u/";
}
- if ($next) {
- $irt .= "<a\nhref=\"$upfx$next/\">next</a> ";
- } else {
- $irt .= ' ';
+ if (my $p = $ctx->{prev_msg}) {
+ $prev = mid_href($p);
+ if ($p && $par && $p eq $par) {
+ $prev = "<a\nhref=\"$upfx$prev/\"\n" .
+ 'rel=prev>prev parent</a>';
+ $parent = '';
+ } else {
+ $prev = "<a\nhref=\"$upfx$prev/\"\n" .
+ 'rel=prev>prev</a>';
+ $parent = " <a\nhref=\"$u\">parent</a>" if $u;
+ }
+ } elsif ($u) { # unlikely
+ $parent = " <a\nhref=\"$u\"\nrel=prev>parent</a>";
}
- } else {
- $irt = '';
+ $rv .= "$next $prev$parent ";
}
-
- "$irt<a\nhref=\"" . ascii_html($href) . '">reply</a>' . $idx;
+ $rv .= qq(<a\nhref="#R">reply</a>);
+ $rv .= $skel;
+ $rv .= '</pre>';
+ $rv .= msg_reply($ctx, $hdr);
}
-sub linkify_ref_nosrch {
- my $v = PublicInbox::Hval->new_msgid($_[0], 1);
- my $html = $v->as_html;
- my $href = $v->as_href;
+sub linkify_ref_no_over {
+ my ($mid) = @_;
+ my $href = mid_href($mid);
+ my $html = ascii_html($mid);
"<<a\nhref=\"../$href/\">$html</a>>";
}
sub anchor_for {
my ($msgid) = @_;
- my $id = $msgid;
- if ($id !~ /\A[a-f0-9]{40}\z/) {
- $id = mid_compress(mid_clean($id), 1);
- }
- 'm' . $id;
-}
-
-sub thread_html_head {
- my ($cb, $mime) = @_;
- $$cb = $$cb->([200, ['Content-Type'=> 'text/html; charset=UTF-8']]);
-
- my $s = PublicInbox::Hval->new_oneline($mime->header('Subject'));
- $s = $s->as_html;
- $$cb->write("<html><head><title>$s</title></head><body>");
-}
-
-sub pre_anchor_entry {
- my ($seen, $mime) = @_;
- my $id = anchor_for($mime->header('Message-ID'));
- $seen->{$id} = "#$id"; # save the anchor for children, later
+ 'm' . id_compress($msgid, 1);
}
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>>]};
+ my $href = mid_href($mid);
+ my $html = ascii_html($mid);
+ qq{[parent not found: <<a\nhref="$upfx$href/">$html</a>>]};
}
-sub __thread_entry {
- my ($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, $state);
- }
+sub indent_for {
+ my ($level) = @_;
+ $level ? INDENT x ($level - 1) : '';
+}
- if (my $ghost = delete $state->{ghost}) {
- # n.b. ghost messages may only be parents, not children
- foreach my $g (@$ghost) {
- $$cb->write("<table\nsummary=ghost><tr><td>" .
- (INDENT x $g->[1]) . "</td><td>" .
- PRE_WRAP . ghost_parent('../', $g->[0]) .
- '</pre></td></table>');
- }
+sub find_mid_root {
+ my ($ctx, $level, $node, $idx) = @_;
+ ++$ctx->{root_idx} if $level == 0;
+ if ($node->{id} eq $ctx->{mid}) {
+ $ctx->{found_mid_at} = $ctx->{root_idx};
+ return 0;
}
- index_entry($$cb, $mime, $level, $state);
1;
}
-sub __ghost_entry {
- my ($state, $node, $level) = @_;
- my $ghost = $state->{ghost} ||= [];
- push @$ghost, [ $node->messageid, $level ];
+sub strict_loose_note ($) {
+ my ($nr) = @_;
+ my $msg =
+" -- strict thread matches above, loose matches on Subject: below --\n";
+
+ if ($nr > PublicInbox::Over::DEFAULT_LIMIT()) {
+ $msg .=
+" -- use mbox.gz link to download all $nr messages --\n";
+ }
+ $msg;
}
-sub thread_entry {
- my ($cb, $git, $state, $node, $level) = @_;
- return unless $node;
- if (my $mime = $node->message) {
- unless (__thread_entry($cb, $git, $state, $mime, $level)) {
- __ghost_entry($state, $node, $level);
+sub thread_results {
+ my ($ctx, $msgs) = @_;
+ require PublicInbox::SearchThread;
+ my $rootset = PublicInbox::SearchThread::thread($msgs, \&sort_ds, $ctx);
+
+ # FIXME: `tid' is broken on --reindex, so that needs to be fixed
+ # and preserved in the future. This bug is hidden by `sid' matches
+ # in get_thread, so we never noticed it until now. And even when
+ # reindexing is fixed, we'll keep this code until a SCHEMA_VERSION
+ # bump since reindexing is expensive and users may not do it
+
+ # loose threading could've returned too many results,
+ # put the root the message we care about at the top:
+ my $mid = $ctx->{mid};
+ if (defined($mid) && scalar(@$rootset) > 1) {
+ $ctx->{root_idx} = -1;
+ my $nr = scalar @$msgs;
+ walk_thread($rootset, $ctx, \&find_mid_root);
+ my $idx = $ctx->{found_mid_at};
+ if (defined($idx) && $idx != 0) {
+ my $tip = splice(@$rootset, $idx, 1);
+ @$rootset = reverse @$rootset;
+ unshift @$rootset, $tip;
+ $ctx->{sl_note} = strict_loose_note($nr);
}
- } else {
- __ghost_entry($state, $node, $level);
}
-
- thread_entry($cb, $git, $state, $node->child, $level + 1);
- thread_entry($cb, $git, $state, $node->next, $level);
+ $rootset
}
-sub load_results {
- my ($res) = @_;
-
- [ map { $_->mini_mime } @{delete $res->{msgs}} ];
+sub missing_thread {
+ my ($ctx) = @_;
+ require PublicInbox::ExtMsg;
+ PublicInbox::ExtMsg::ext_msg($ctx);
}
-sub msg_timestamp {
- my ($mime) = @_;
- my $ts = eval { str2time($mime->header('Date')) };
- defined($ts) ? $ts : 0;
-}
+sub dedupe_subject {
+ my ($prev_subj, $subj, $val) = @_;
-sub thread_results {
- my ($msgs, $nosubject) = @_;
- require PublicInbox::Thread;
- my $th = PublicInbox::Thread->new(@$msgs);
- no warnings 'once';
- $Mail::Thread::nosubject = $nosubject;
- $th->thread;
- $th->order(*sort_ts);
- $th
+ my $omit; # '"' denotes identical text omitted
+ my (@prev_pop, @curr_pop);
+ while (@$prev_subj && @$subj && $subj->[-1] eq $prev_subj->[-1]) {
+ push(@prev_pop, pop(@$prev_subj));
+ push(@curr_pop, pop(@$subj));
+ $omit //= $val;
+ }
+ pop @$subj if @$subj && $subj->[-1] =~ /^re:\s*/i;
+ if (scalar(@curr_pop) == 1) {
+ $omit = undef;
+ push @$prev_subj, @prev_pop;
+ push @$subj, @curr_pop;
+ }
+ $omit // '';
}
-sub missing_thread {
- my ($cb, $ctx) = @_;
- require PublicInbox::ExtMsg;
+sub skel_dump { # walk_thread callback
+ my ($ctx, $level, $node) = @_;
+ my $smsg = $node->{smsg} or return _skel_ghost($ctx, $level, $node);
- $cb->(PublicInbox::ExtMsg::ext_msg($ctx))
-}
+ my $skel = $ctx->{skel};
+ my $cur = $ctx->{cur};
+ my $mid = $smsg->{mid};
-sub _msg_date {
- my ($mime) = @_;
- my $ts = $mime->header('X-PI-TS') || msg_timestamp($mime);
- POSIX::strftime('%Y-%m-%d %H:%M', gmtime($ts));
-}
+ if ($level == 0 && $ctx->{skel_dump_roots}++) {
+ $$skel .= delete($ctx->{sl_note}) || '';
+ }
-sub _inline_header {
- my ($dst, $state, $upfx, $mime, $level) = @_;
- my $pfx = INDENT x ($level - 1);
- my $dot = $level == 0 ? '' : '` ';
+ my $f = ascii_html($smsg->{from_name});
+ my $obfs_ibx = $ctx->{-obfs_ibx};
+ obfuscate_addrs($obfs_ibx, $f) if $obfs_ibx;
- my $cur = $state->{cur};
- my $mid = mid_clean($mime->header('Message-ID'));
- my $f = $mime->header('X-PI-From');
- my $d = _msg_date($mime);
- $f = PublicInbox::Hval->new($f)->as_html;
- $d = PublicInbox::Hval->new($d)->as_html;
- my $attr = "$f @ $d";
- $state->{first_level} ||= $level;
- if ($attr ne $state->{prev_attr} || $state->{prev_level} > $level) {
- $state->{prev_attr} = $attr;
- $attr = ' - ' . $attr;
- $attr .= ' UTC' if $level >= $state->{first_level};
- } else {
- $attr = '';
+ my $d = fmt_ts($smsg->{ds});
+ my $unmatched; # if lazy-loaded by SearchThread::Msg::visible()
+ if (exists $ctx->{searchview}) {
+ if (defined(my $pct = $smsg->{pct})) {
+ $d .= (sprintf(' % 2u', $pct) . '%');
+ } else {
+ $unmatched = 1;
+ $d .= ' ';
+ }
+ }
+ $d .= ' ' . indent_for($level) . th_pfx($level);
+ my $attr = $f;
+ $ctx->{first_level} ||= $level;
+
+ if ($attr ne $ctx->{prev_attr} || $ctx->{prev_level} > $level) {
+ $ctx->{prev_attr} = $attr;
}
- $state->{prev_level} = $level;
+ $ctx->{prev_level} = $level;
if ($cur) {
if ($cur eq $mid) {
- delete $state->{cur};
- $$dst .= "$pfx$dot<b><a\nid=\"r\"\nhref=\"#t\">".
- "[this message]</a></b>$attr\n";
-
- return;
+ delete $ctx->{cur};
+ $$skel .= "<b>$d<a\nid=r\nhref=\"#t\">".
+ "$attr [this message]</a></b>\n";
+ return 1;
+ } else {
+ $ctx->{prev_msg} = $mid;
}
} else {
- $state->{next_msg} ||= $mid;
+ $ctx->{next_msg} ||= $mid;
}
# Subject is never undef, this mail was loaded from
# our Xapian which would've resulted in '' if it were
# really missing (and Filter rejects empty subjects)
- my $s = $mime->header('Subject');
- my $h = $state->{srch}->subject_path($s);
- if ($state->{seen}->{$h}) {
- $s = undef;
+ my @subj = split(/ /, subject_normalized($smsg->{subject}));
+ # remove common suffixes from the subject if it matches the previous,
+ # so we do not show redundant text at the end.
+ my $prev_subj = $ctx->{prev_subj} || [];
+ $ctx->{prev_subj} = [ @subj ];
+ my $omit = dedupe_subject($prev_subj, \@subj, '" ');
+ my $end;
+ if (@subj) {
+ my $subj = join(' ', @subj);
+ $subj = ascii_html($subj);
+ obfuscate_addrs($obfs_ibx, $subj) if $obfs_ibx;
+ $end = "$subj</a> $omit$f\n"
} else {
- $state->{seen}->{$h} = 1;
- $s = PublicInbox::Hval->new($s);
- $s = $s->as_html;
- }
- my $m = PublicInbox::Hval->new_msgid($mid);
- $m = $upfx . '../' . $m->as_href . '/';
- if (defined $s) {
- $$dst .= "$pfx$dot<a\nhref=\"$m\">$s</a>$attr\n";
+ $end = "$f</a>\n";
+ }
+ my $m;
+ my $id = '';
+ my $mapping = $unmatched ? undef : $ctx->{mapping};
+ if ($mapping) {
+ my $map = $mapping->{$mid};
+ $id = id_compress($mid, 1);
+ $m = '#m'.$id;
+ $map->[0] = "$d<a\nhref=\"$m\">$end";
+ $id = "\nid=r".$id;
} else {
- $$dst .= "$pfx$dot<a\nhref=\"$m\">$f @ $d</a>\n";
+ $m = $ctx->{-upfx}.mid_href($mid).'/';
}
+ $$skel .= $d . "<a\nhref=\"$m\"$id>" . $end;
+ 1;
}
-sub inline_dump {
- my ($dst, $state, $upfx, $node, $level) = @_;
- return unless $node;
- if (my $mime = $node->message) {
- my $mid = mid_clean($mime->header('Message-ID'));
- if ($mid eq $state->{parent_cmp}) {
- $state->{parent} = $mid;
- }
- _inline_header($dst, $state, $upfx, $mime, $level);
+sub _skel_ghost {
+ my ($ctx, $level, $node) = @_;
+
+ my $mid = $node->{id};
+ my $d = ' [not found] ';
+ $d .= ' ' if exists $ctx->{searchview};
+ $d .= indent_for($level) . th_pfx($level);
+ my $upfx = $ctx->{-upfx};
+ my $href = $upfx . mid_href($mid) . '/';
+ my $html = ascii_html($mid);
+
+ my $mapping = $ctx->{mapping};
+ my $map = $mapping->{$mid} if $mapping;
+ if ($map) {
+ my $id = id_compress($mid, 1);
+ $map->[0] = $d . qq{<<a\nhref=#r$id>$html</a>>\n};
+ $d .= qq{<<a\nhref="$href"\nid=r$id>$html</a>>\n};
} else {
- my $dot = $level == 0 ? '' : '` ';
- my $pfx = (INDENT x $level) . $dot;
- $$dst .= $pfx . ghost_parent($upfx, $node->messageid) . "\n";
+ $d .= qq{<<a\nhref="$href">$html</a>>\n};
}
- inline_dump($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)
- } @_;
+ ${$ctx->{skel}} .= $d;
+ 1;
}
-sub rsort_ts {
- sort {
- (eval { $b->topmost->message->header('X-PI-TS') } || 0) <=>
- (eval { $a->topmost->message->header('X-PI-TS') } || 0)
- } @_;
+sub sort_ds {
+ [ sort {
+ (eval { $a->topmost->{smsg}->{ds} } || 0) <=>
+ (eval { $b->topmost->{smsg}->{ds} } || 0)
+ } @{$_[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 = $x->header_obj;
- my ($topic, $subj);
-
- $subj = $x->header('Subject');
- $subj = $state->{srch}->subject_normalized($subj);
- $topic = $subj;
-
- # kill "[PATCH v2]" etc. for summarization
- $topic =~ s/\A\s*\[[^\]]+\]\s*//g;
- $topic = substr($topic, 0, 30);
-
- if (++$state->{subjs}->{$topic} == 1) {
- push @{$state->{order}}, [ $level, $subj, $topic ];
+# returns 200 if done, 404 if not
+sub acc_topic { # walk_thread callback
+ my ($ctx, $level, $node) = @_;
+ my $mid = $node->{id};
+ my $smsg = $node->{smsg} // $ctx->{-inbox}->smsg_by_mid($mid);
+ if ($smsg) {
+ my $subj = subject_normalized($smsg->{subject});
+ $subj = '(no subject)' if $subj eq '';
+ my $ds = $smsg->{ds};
+ if ($level == 0) { # new, top-level topic
+ my $topic = [ $ds, 1, { $subj => $mid }, $subj ];
+ $ctx->{-cur_topic} = $topic;
+ push @{$ctx->{order}}, $topic;
+ return 1;
}
- my $mid = mid_clean($x->header('Message-ID'));
-
- my $u = $x->header('X-PI-From');
- my $ts = $x->header('X-PI-TS');
- $state->{latest}->{$topic} = [ $mid, $u, $ts ];
- } else {
- # ghost message, do not bump level
- $child_adjust = 0;
+ # continue existing topic
+ my $topic = $ctx->{-cur_topic}; # should never be undef
+ $topic->[0] = $ds if $ds > $topic->[0];
+ $topic->[1]++; # bump N+ message counter
+ my $seen = $topic->[2];
+ if (scalar(@$topic) == 3) { # parent was a ghost
+ push @$topic, $subj;
+ } elsif (!defined($seen->{$subj})) {
+ push @$topic, $level, $subj; # @extra messages
+ }
+ $seen->{$subj} = $mid; # latest for subject
+ } else { # ghost message
+ return 1 if $level != 0; # ignore child ghosts
+ my $topic = $ctx->{-cur_topic} = [ -666, 0, {} ];
+ push @{$ctx->{order}}, $topic;
}
-
- add_topic($state, $node->child, $level + $child_adjust);
- add_topic($state, $node->next, $level);
+ 1;
}
sub dump_topics {
- my ($state) = @_;
- my $order = $state->{order};
- my $subjs = $state->{subjs};
- my $latest = $state->{latest};
- return "\n[No recent topics]</pre>" unless (scalar @$order);
- my $dst = '';
- my $pfx;
- my $prev = 0;
- my $prev_attr = '';
- while (defined(my $info = shift @$order)) {
- my ($level, $subj, $topic) = @$info;
- my $n = delete $subjs->{$topic};
- my ($mid, $u, $ts) = @{delete $latest->{$topic}};
- $mid = PublicInbox::Hval->new($mid)->as_href;
- $subj = PublicInbox::Hval->new($subj)->as_html;
- $u = PublicInbox::Hval->new($u)->as_html;
- $pfx = INDENT x ($level - 1);
- 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;
- $ts = POSIX::strftime('%Y-%m-%d %H:%M', gmtime($ts));
+ my ($ctx) = @_;
+ my $order = delete $ctx->{order}; # [ ds, subj1, subj2, subj3, ... ]
+ unless ($order) {
+ $ctx->{-html_tip} = '<pre>[No topics in range]</pre>';
+ return 404;
+ }
+
+ my @out;
+ my $ibx = $ctx->{-inbox};
+ my $obfs_ibx = $ibx->{obfuscate} ? $ibx : undef;
+
+ # sort by recency, this allows new posts to "bump" old topics...
+ foreach my $topic (sort { $b->[0] <=> $a->[0] } @$order) {
+ my ($ds, $n, $seen, $top_subj, @extra) = @$topic;
+ @$topic = ();
+ next unless defined $top_subj; # ghost topic
+ my $mid = delete $seen->{$top_subj};
+ my $href = mid_href($mid);
+ my $prev_subj = [ split(/ /, $top_subj) ];
+ $top_subj = ascii_html($top_subj);
+ $ds = fmt_ts($ds);
+
+ # $n isn't the total number of posts on the topic,
+ # just the number of posts in the current results window
+ my $anchor;
if ($n == 1) {
- $attr = "created by $u @ $ts UTC";
- $n = "\n";
+ $n = '';
+ $anchor = '#u'; # top of only message
} else {
- # $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
- $attr = "updated by $u @ $ts UTC";
- $n = " ($n)\n";
+ $n = " ($n+ messages)";
+ $anchor = '#t'; # thread skeleton
}
- if ($level == 0 || $attr ne $prev_attr) {
- $pfx .= INDENT if $level > 0;
- $dst .= "$pfx- ". $attr . $n;
- $prev_attr = $attr;
+
+ my $mbox = qq(<a\nhref="$href/t.mbox.gz">mbox.gz</a>);
+ my $atom = qq(<a\nhref="$href/t.atom">Atom</a>);
+ my $s = "<a\nhref=\"$href/T/$anchor\">$top_subj</a>\n" .
+ " $ds UTC $n - $mbox / $atom\n";
+ for (my $i = 0; $i < scalar(@extra); $i += 2) {
+ my $level = $extra[$i];
+ my $subj = $extra[$i + 1]; # already normalized
+ $mid = delete $seen->{$subj};
+ my @subj = split(/ /, $subj);
+ my @next_prev = @subj; # full copy
+ my $omit = dedupe_subject($prev_subj, \@subj, ' "');
+ $prev_subj = \@next_prev;
+ $subj = ascii_html($subj);
+ obfuscate_addrs($obfs_ibx, $subj) if $obfs_ibx;
+ $href = mid_href($mid);
+ $s .= indent_for($level) . TCHILD;
+ $s .= qq(<a\nhref="$href/T/#u">$subj</a>$omit\n);
}
+ push @out, $s;
}
- $dst .= '</pre>';
+ $ctx->{-html_tip} = '<pre>' . join("\n", @out) . '</pre>';
+ 200;
+}
+
+# only for the t= query parameter passed to overview DB
+sub ts2str ($) { strftime('%Y%m%d%H%M%S', gmtime($_[0])) };
+
+sub str2ts ($) {
+ my ($yyyy, $mon, $dd, $hh, $mm, $ss) = unpack('A4A2A2A2A2A2', $_[0]);
+ timegm($ss, $mm, $hh, $dd, $mon - 1, $yyyy);
}
-sub emit_index_topics {
- my ($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;
+sub pagination_footer ($$) {
+ my ($ctx, $latest) = @_;
+ delete $ctx->{qp} or return;
+ my $next = $ctx->{next_page} || '';
+ my $prev = $ctx->{prev_page} || '';
+ if ($prev) {
+ $next = $next ? "$next " : ' ';
+ $prev .= qq! <a\nhref='$latest'>latest</a>!;
+ }
+ "<hr><pre>page: $next$prev</pre>";
+}
+
+sub index_nav { # callback for WwwStream
+ my (undef, $ctx) = @_;
+ pagination_footer($ctx, '.')
+}
+
+sub paginate_recent ($$) {
+ my ($ctx, $lim) = @_;
+ my $t = $ctx->{qp}->{t} || '';
+ my $opts = { limit => $lim };
+ my ($after, $before);
+
+ # Xapian uses '..' but '-' is perhaps friendier to URL linkifiers
+ # if only $after exists "YYYYMMDD.." because "." could be skipped
+ # if interpreted as an end-of-sentence
+ $t =~ s/\A([0-9]{8,14})-// and $after = str2ts($1);
+ $t =~ /\A([0-9]{8,14})\z/ and $before = str2ts($1);
- for (rsort_ts(thread_results(load_results($res), 1)->rootset)) {
- add_topic($state, $_, 0);
+ my $ibx = $ctx->{-inbox};
+ my $msgs = $ibx->recent($opts, $after, $before);
+ my $nr = scalar @$msgs;
+ if ($nr < $lim && defined($after)) {
+ $after = $before = undef;
+ $msgs = $ibx->recent($opts);
+ $nr = scalar @$msgs;
+ }
+ my $more = $nr == $lim;
+ my ($newest, $oldest);
+ if ($nr) {
+ $newest = $msgs->[0]->{ts};
+ $oldest = $msgs->[-1]->{ts};
+ # if we only had $after, our SQL query in ->recent ordered
+ if ($newest < $oldest) {
+ ($oldest, $newest) = ($newest, $oldest);
+ $more = 0 if defined($after) && $after < $oldest;
}
- $opts{offset} += $nr;
}
+ if (defined($oldest) && $more) {
+ my $s = ts2str($oldest);
+ $ctx->{next_page} = qq!<a\nhref="?t=$s"\nrel=next>next</a>!;
+ }
+ if (defined($newest) && (defined($before) || defined($after))) {
+ my $s = ts2str($newest);
+ $ctx->{prev_page} = qq!<a\nhref="?t=$s-"\nrel=prev>prev</a>!;
+ }
+ $msgs;
+}
+
+sub index_topics {
+ my ($ctx) = @_;
+ my $msgs = paginate_recent($ctx, 200); # 200 is our window
+ if (@$msgs) {
+ walk_thread(thread_results($ctx, $msgs), $ctx, \&acc_topic);
+ }
+ PublicInbox::WwwStream->response($ctx, dump_topics($ctx), \&index_nav);
+}
+
+sub thread_adj_level {
+ my ($ctx, $level) = @_;
+
+ my $max = $ctx->{cur_level};
+ if ($level <= 0) {
+ return ('', '') if $max == 0; # flat output
+
+ # reset existing lists
+ my $beg = $max > 1 ? ('</ul></li>' x ($max - 1)) : '';
+ $ctx->{cur_level} = 0;
+ ("$beg</ul>", '');
+ } elsif ($level == $max) { # continue existing list
+ qw(<li> </li>);
+ } elsif ($level < $max) {
+ my $beg = $max > 1 ? ('</ul></li>' x ($max - $level)) : '';
+ $ctx->{cur_level} = $level;
+ ("$beg<li>", '</li>');
+ } else { # ($level > $max) # start a new level
+ $ctx->{cur_level} = $level;
+ my $beg = ($max ? '<li>' : '') . '<ul><li>';
+ ($beg, '</li>');
+ }
+}
- $fh->write(dump_topics($state));
- $opts{offset};
+sub ghost_index_entry {
+ my ($ctx, $level, $node) = @_;
+ my ($beg, $end) = thread_adj_level($ctx, $level);
+ $beg . '<pre>'. ghost_parent($ctx->{-upfx}, $node->{id})
+ . '</pre>' . $end;
}
1;