user/dev discussion of public-inbox itself
 help / color / Atom feed
cbf25d46cf9359052b926ca69a9277a6787085d7 blob 3775 bytes (raw)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
 
# Copyright (C) 2013-2019 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Used for generating Atom feeds for web-accessible mailing list archives.
package PublicInbox::Feed;
use strict;
use warnings;
use PublicInbox::MIME;
use PublicInbox::View;
use PublicInbox::WwwAtomStream;
use PublicInbox::SearchMsg; # this loads w/o Search::Xapian

sub generate_i {
	my ($ctx) = @_;
	while (my $smsg = shift @{$ctx->{msgs}}) {
		$ctx->{-inbox}->smsg_mime($smsg) and return $smsg;
	}
}

# main function
sub generate {
	my ($ctx) = @_;
	my $msgs = $ctx->{msgs} = recent_msgs($ctx);
	return _no_thread() unless @$msgs;
	PublicInbox::WwwAtomStream->response($ctx, 200, \&generate_i);
}

sub generate_thread_atom {
	my ($ctx) = @_;
	my $msgs = $ctx->{msgs} = $ctx->{-inbox}->over->get_thread($ctx->{mid});
	return _no_thread() unless @$msgs;
	PublicInbox::WwwAtomStream->response($ctx, 200, \&generate_i);
}

sub generate_html_index {
	my ($ctx) = @_;
	# if the 'r' query parameter is given, it is a legacy permalink
	# which we must continue supporting:
	my $qp = $ctx->{qp};
	my $ibx = $ctx->{-inbox};
	if ($qp && !$qp->{r} && $ibx->over) {
		return PublicInbox::View::index_topics($ctx);
	}

	my $env = $ctx->{env};
	my $url = $ibx->base_url($env) . 'new.html';
	my $qs = $env->{QUERY_STRING};
	$url .= "?$qs" if $qs ne '';
	[302, [ 'Location', $url, 'Content-Type', 'text/plain'],
		[ "Redirecting to $url\n" ] ];
}

sub new_html_i {
	my ($nr, $ctx) = @_;
	my $msgs = $ctx->{msgs};
	while (my $smsg = shift @$msgs) {
		my $m = $ctx->{-inbox}->smsg_mime($smsg) or next;
		my $more = scalar @$msgs;
		return PublicInbox::View::index_entry($m, $ctx, $more);
	}
	PublicInbox::View::pagination_footer($ctx, './new.html');
}

sub new_html {
	my ($ctx) = @_;
	my $msgs = $ctx->{msgs} = recent_msgs($ctx);
	if (!@$msgs) {
		return [404, ['Content-Type', 'text/plain'],
			["No messages, yet\n"] ];
	}
	$ctx->{-html_tip} = '<pre>';
	$ctx->{-upfx} = '';
	$ctx->{-hr} = 1;
	PublicInbox::WwwStream->response($ctx, 200, \&new_html_i);
}

# private subs

sub _no_thread () {
	[404, ['Content-Type', 'text/plain'], ["No feed found for thread\n"]];
}

sub recent_msgs {
	my ($ctx) = @_;
	my $ibx = $ctx->{-inbox};
	my $max = $ibx->{feedmax};
	my $qp = $ctx->{qp};
	my $v = $ibx->{version} || 1;
	if ($v > 2) {
		die "BUG: unsupported inbox version: $v\n";
	}
	if ($ibx->over) {
		return PublicInbox::View::paginate_recent($ctx, $max);
	}

	my $hex = '[a-f0-9]';
	my $addmsg = qr!^:000000 100644 \S+ (\S+) A\t${hex}{2}/${hex}{38}$!;
	my $delmsg = qr!^:100644 000000 (\S+) \S+ D\t(${hex}{2}/${hex}{38})$!;
	my $refhex = qr/(?:HEAD|${hex}{4,40})(?:~[0-9]+)?/;

	# revision ranges may be specified
	my $range = 'HEAD';
	my $r = $qp->{r} if $qp;
	if ($r && ($r =~ /\A(?:$refhex\.\.)?$refhex\z/o)) {
		$range = $r;
	}

	# get recent messages
	# we could use git log -z, but, we already know ssoma will not
	# leave us with filenames with spaces in them..
	my $log = $ibx->git->popen(qw/log
				--no-notes --no-color --raw -r
				--no-abbrev --abbrev-commit/,
				"--format=%H", $range);
	my %deleted; # only an optimization at this point
	my $last;
	my $last_commit;
	local $/ = "\n";
	my @oids;
	while (defined(my $line = <$log>)) {
		if ($line =~ /$addmsg/o) {
			my $add = $1;
			next if $deleted{$add}; # optimization-only
			push @oids, $add;
			if (scalar(@oids) >= $max) {
				$last = 1;
				last;
			}
		} elsif ($line =~ /$delmsg/o) {
			$deleted{$1} = 1;
		}
	}

	if ($last) {
		local $/ = "\n";
		while (my $line = <$log>) {
			if ($line =~ /^(${hex}{7,40})/) {
				$last_commit = $1;
				last;
			}
		}
	}

	$ctx->{next_page} = "r=$last_commit" if $last_commit;
	[ map { bless {blob => $_ }, 'PublicInbox::SearchMsg' } @oids ];
}

1;
debug log:

solving cbf25d46 ...
found cbf25d46 in https://80x24.org/public-inbox.git

user/dev discussion of public-inbox itself

Archives are clonable:
	git clone --mirror https://public-inbox.org/meta
	git clone --mirror http://czquwvybam4bgbro.onion/meta
	git clone --mirror http://hjrcffqmbrq6wope.onion/meta
	git clone --mirror http://ou63pmih66umazou.onion/meta

Example config snippet for mirrors

Newsgroups are available over NNTP:
	nntp://news.public-inbox.org/inbox.comp.mail.public-inbox.meta
	nntp://ou63pmih66umazou.onion/inbox.comp.mail.public-inbox.meta
	nntp://czquwvybam4bgbro.onion/inbox.comp.mail.public-inbox.meta
	nntp://hjrcffqmbrq6wope.onion/inbox.comp.mail.public-inbox.meta
	nntp://news.gmane.io/gmane.mail.public-inbox.general

 note: .onion URLs require Tor: https://www.torproject.org/

AGPL code for this site: git clone https://public-inbox.org/public-inbox.git