-# Copyright (C) 2014-2019 all contributors <meta@public-inbox.org>
+# Copyright (C) 2014-2021 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Used throughout the project for reading configuration
package PublicInbox::Config;
use strict;
-use warnings;
+use v5.10.1;
use PublicInbox::Inbox;
use PublicInbox::Spawn qw(popen_rd);
+our $LD_PRELOAD = $ENV{LD_PRELOAD}; # only valid at startup
sub _array ($) { ref($_[0]) eq 'ARRAY' ? $_[0] : [ $_[0] ] }
# returns key-value pairs of config directives in a hash
# if keys may be multi-value, the value is an array ref containing all values
sub new {
- my ($class, $file) = @_;
- $file = default_file() unless defined($file);
+ my ($class, $file, $errfh) = @_;
+ $file //= default_file();
my $self;
if (ref($file) eq 'SCALAR') { # used by some tests
open my $fh, '<', $file or die; # PerlIO::scalar
$self = config_fh_parse($fh, "\n", '=');
+ bless $self, $class;
} else {
- $self = git_config_dump($file);
+ $self = git_config_dump($class, $file, $errfh);
+ $self->{'-f'} = $file;
}
- bless $self, $class;
# caches
$self->{-by_addr} = {};
$self->{-by_list_id} = {};
$self->{-by_name} = {};
$self->{-by_newsgroup} = {};
+ $self->{-by_eidx_key} = {};
$self->{-no_obfuscate} = {};
$self->{-limiters} = {};
$self->{-code_repos} = {}; # nick => PublicInbox::Git object
sub lookup_name ($$) {
my ($self, $name) = @_;
- $self->{-by_name}->{$name} // _fill($self, "publicinbox.$name");
+ $self->{-by_name}->{$name} // _fill_ibx($self, $name);
}
+sub lookup_ei {
+ my ($self, $name) = @_;
+ $self->{-ei_by_name}->{$name} //= _fill_ei($self, $name);
+}
+
+sub lookup_eidx_key {
+ my ($self, $eidx_key) = @_;
+ _lookup_fill($self, '-by_eidx_key', $eidx_key);
+}
+
+# special case for [extindex "all"]
+sub ALL { lookup_ei($_[0], 'all') }
+
sub each_inbox {
- my ($self, $cb, $arg) = @_;
+ my ($self, $cb, @arg) = @_;
# may auto-vivify if config file is non-existent:
foreach my $section (@{$self->{-section_order}}) {
next if $section !~ m!\Apublicinbox\.([^/]+)\z!;
my $ibx = lookup_name($self, $1) or next;
- $cb->($ibx, $arg);
+ $cb->($ibx, @arg);
}
}
sub config_dir { $ENV{PI_DIR} // "$ENV{HOME}/.public-inbox" }
sub default_file {
- my $f = $ENV{PI_CONFIG};
- return $f if defined $f;
- config_dir() . '/config';
+ $ENV{PI_CONFIG} // (config_dir() . '/config');
}
sub config_fh_parse ($$$) {
my ($fh, $rs, $fs) = @_;
- my %rv;
- my (%section_seen, @section_order);
+ my (%rv, %seen, @section_order, $line, $k, $v, $section, $cur, $i);
local $/ = $rs;
- while (defined(my $line = <$fh>)) {
- chomp $line;
- my ($k, $v) = split($fs, $line, 2);
- my ($section) = ($k =~ /\A(\S+)\.[^\.]+\z/);
- unless (defined $section_seen{$section}) {
- $section_seen{$section} = 1;
- push @section_order, $section;
- }
-
- my $cur = $rv{$k};
- if (defined $cur) {
+ while (defined($line = <$fh>)) { # perf critical with giant configs
+ $i = index($line, $fs);
+ $k = substr($line, 0, $i);
+ $v = substr($line, $i + 1, -1); # chop off $fs
+ $section = substr($k, 0, rindex($k, '.'));
+ $seen{$section} //= push(@section_order, $section);
+
+ if (defined($cur = $rv{$k})) {
if (ref($cur) eq "ARRAY") {
push @$cur, $v;
} else {
}
sub git_config_dump {
- my ($file) = @_;
- return {} unless -e $file;
- my @cmd = (qw/git config -z -l/, "--file=$file");
- my $cmd = join(' ', @cmd);
- my $fh = popen_rd(\@cmd) or die "popen_rd failed for $file: $!\n";
+ my ($class, $file, $errfh) = @_;
+ return bless {}, $class unless -e $file;
+ my $cmd = [ qw(git config -z -l --includes), "--file=$file" ];
+ my $fh = popen_rd($cmd, undef, { 2 => $errfh // 2 });
my $rv = config_fh_parse($fh, "\0", "\n");
- close $fh or die "failed to close ($cmd) pipe: $?";
- $rv;
+ close $fh or die "@$cmd failed: \$?=$?\n";
+ bless $rv, $class;
}
-sub valid_inbox_name ($) {
- my ($name) = @_;
+sub valid_foo_name ($;$) {
+ my ($name, $pfx) = @_;
# Similar rules found in git.git/remote.c::valid_remote_nick
# and git.git/refs.c::check_refname_component
if ($name eq '' || $name =~ /\@\{/ ||
$name =~ /\.\./ || $name =~ m![/:\?\[\]\^~\s\f[:cntrl:]\*]! ||
$name =~ /\A\./ || $name =~ /\.\z/) {
+ warn "invalid $pfx name: `$name'\n" if $pfx;
return 0;
}
return unless -e "$path/$se";
}
return if -e "$path/noweb";
+ # this comes from the cgit config, and AFAIK cgit only allows
+ # repos to have one URL, but that's just the PATH_INFO component,
+ # not the Host: portion
# $repo = { url => 'foo.git', dir => '/path/to/foo.git' }
my $rel = $repo->{url};
unless (defined $rel) {
$rel =~ s!/?\.git\z!!;
}
$self->{"coderepo.$rel.dir"} //= $path;
- $self->{"coderepo.$rel.cgiturl"} //= $rel;
+ $self->{"coderepo.$rel.cgiturl"} //= _array($rel);
}
sub is_git_dir ($) {
warn "failed to open cgit projectlist=$list: $!\n";
return;
};
- foreach (<$fh>) {
+ while (<$fh>) {
chomp;
scan_path_coderepo($self, $path, "$path/$_");
}
# FIXME: this doesn't support macro expansion via $VARS, yet
my $repo;
- foreach (<$fh>) {
+ while (<$fh>) {
chomp;
if (m!\Arepo\.url=(.+?)/*\z!) {
my $nick = $1;
sub _fill_code_repo {
my ($self, $nick) = @_;
my $pfx = "coderepo.$nick";
-
- # TODO: support gitweb and other repository viewers?
- if (defined(my $cgitrc = delete $self->{-cgitrc_unparsed})) {
- parse_cgitrc($self, $cgitrc, 0);
- }
- my $dir = $self->{"$pfx.dir"}; # aka "GIT_DIR"
- unless (defined $dir) {
+ my $dir = $self->{"$pfx.dir"} // do { # aka "GIT_DIR"
warn "$pfx.dir unset\n";
return;
- }
-
+ };
my $git = PublicInbox::Git->new($dir);
- foreach my $t (qw(blob commit tree tag)) {
- $git->{$t.'_url_format'} =
- _array($self->{lc("$pfx.${t}UrlFormat")});
- }
-
- if (my $cgits = $self->{lc("$pfx.cgitUrl")}) {
+ if (defined(my $cgits = $self->{"$pfx.cgiturl"})) {
$git->{cgit_url} = $cgits = _array($cgits);
-
- # cgit supports "/blob/?id=%s", but it's only a plain-text
- # display and requires an unabbreviated id=
- foreach my $t (qw(blob commit tag)) {
- $git->{$t.'_url_format'} //= map {
- "$_/$t/?id=%s"
- } @$cgits;
- }
+ $self->{"$pfx.cgiturl"} = $cgits;
}
$git;
}
-sub _git_config_bool ($) {
- my ($val) = @_;
+sub get_all {
+ my ($self, $key) = @_;
+ my $v = $self->{$key} // return;
+ _array($v);
+}
+
+sub git_bool {
+ my ($val) = $_[-1]; # $_[0] may be $self, or $val
if ($val =~ /\A(?:false|no|off|[\-\+]?(?:0x)?0+)\z/i) {
0;
} elsif ($val =~ /\A(?:true|yes|on|[\-\+]?(?:0x)?[0-9]+)\z/i) {
}
}
-sub _fill {
- my ($self, $pfx) = @_;
- my $ibx = {};
+# abs_path resolves symlinks, so we want to avoid it if rel2abs
+# is sufficient and doesn't leave "/.." or "/../"
+sub rel2abs_collapsed {
+ require File::Spec;
+ my $p = File::Spec->rel2abs($_[-1]);
+ return $p if substr($p, -3, 3) ne '/..' && index($p, '/../') < 0;
+ require Cwd;
+ Cwd::abs_path($p);
+}
+
+sub get_1 {
+ my ($self, $key) = @_;
+ my $v = $self->{$key};
+ return $v if !ref($v);
+ warn "W: $key has multiple values, only using `$v->[-1]'\n";
+ $v->[-1];
+}
+
+sub repo_objs {
+ my ($self, $ibxish) = @_;
+ my $ibx_code_repos = $ibxish->{coderepo} or return;
+ $ibxish->{-repo_objs} //= do {
+ my $code_repos = $self->{-code_repos};
+ my @repo_objs;
+ for my $nick (@$ibx_code_repos) {
+ my @parts = split(m!/!, $nick);
+ for (@parts) {
+ @parts = () unless valid_foo_name($_);
+ }
+ unless (@parts) {
+ warn "invalid coderepo name: `$nick'\n";
+ next;
+ }
+ my $repo = $code_repos->{$nick} //=
+ _fill_code_repo($self, $nick);
+ push @repo_objs, $repo if $repo;
+ }
+ if (scalar @repo_objs) {
+ \@repo_objs;
+ } else {
+ delete $ibxish->{coderepo};
+ undef;
+ }
+ }
+}
- foreach my $k (qw(inboxdir filter newsgroup
- watch watchheader httpbackendmax
- replyto feedmax nntpserver indexlevel)) {
+sub _fill_ibx {
+ my ($self, $name) = @_;
+ my $pfx = "publicinbox.$name";
+ my $ibx = {};
+ for my $k (qw(watch)) {
my $v = $self->{"$pfx.$k"};
$ibx->{$k} = $v if defined $v;
}
+ for my $k (qw(filter inboxdir newsgroup replyto httpbackendmax feedmax
+ indexlevel indexsequentialshard boost)) {
+ my $v = get_1($self, "$pfx.$k") // next;
+ $ibx->{$k} = $v;
+ }
- # backwards compatibility:
- $ibx->{inboxdir} //= $self->{"$pfx.mainrepo"};
-
- foreach my $k (qw(obfuscate)) {
- my $v = $self->{"$pfx.$k"};
- defined $v or next;
- if (defined(my $bval = _git_config_bool($v))) {
+ # "mainrepo" is backwards compatibility:
+ my $dir = $ibx->{inboxdir} //= $self->{"$pfx.mainrepo"} // return;
+ if (index($dir, "\n") >= 0) {
+ warn "E: `$dir' must not contain `\\n'\n";
+ return;
+ }
+ for my $k (qw(obfuscate)) {
+ my $v = $self->{"$pfx.$k"} // next;
+ if (defined(my $bval = git_bool($v))) {
$ibx->{$k} = $bval;
} else {
warn "Ignoring $pfx.$k=$v in config, not boolean\n";
}
# TODO: more arrays, we should support multi-value for
# more things to encourage decentralization
- foreach my $k (qw(address altid nntpmirror coderepo hide listid url
- infourl)) {
- if (defined(my $v = $self->{"$pfx.$k"})) {
- $ibx->{$k} = _array($v);
- }
- }
-
- return unless defined($ibx->{inboxdir});
- my $name = $pfx;
- $name =~ s/\Apublicinbox\.//;
-
- if (!valid_inbox_name($name)) {
- warn "invalid inbox name: '$name'\n";
- return;
+ for my $k (qw(address altid nntpmirror imapmirror
+ coderepo hide listid url
+ infourl watchheader nntpserver imapserver)) {
+ my $v = $self->{"$pfx.$k"} // next;
+ $ibx->{$k} = _array($v);
}
+ return unless valid_foo_name($name, 'publicinbox');
$ibx->{name} = $name;
- $ibx->{-pi_config} = $self;
+ $ibx->{-pi_cfg} = $self;
$ibx = PublicInbox::Inbox->new($ibx);
foreach (@{$ibx->{address}}) {
my $lc_addr = lc($_);
$self->{-no_obfuscate}->{$lc_addr} = 1;
}
if (my $listids = $ibx->{listid}) {
+ # RFC2919 section 6 stipulates "case insensitive equality"
foreach my $list_id (@$listids) {
- $self->{-by_list_id}->{$list_id} = $ibx;
+ $self->{-by_list_id}->{lc($list_id)} = $ibx;
}
}
- if (my $ng = $ibx->{newsgroup}) {
- $self->{-by_newsgroup}->{$ng} = $ibx;
+ if (defined(my $ngname = $ibx->{newsgroup})) {
+ if (ref($ngname)) {
+ delete $ibx->{newsgroup};
+ warn 'multiple newsgroups not supported: '.
+ join(', ', @$ngname). "\n";
+ # Newsgroup name needs to be compatible with RFC 3977
+ # wildmat-exact and RFC 3501 (IMAP) ATOM-CHAR.
+ # Leave out a few chars likely to cause problems or conflicts:
+ # '|', '<', '>', ';', '#', '$', '&',
+ } elsif ($ngname =~ m![^A-Za-z0-9/_\.\-\~\@\+\=:]! ||
+ $ngname eq '') {
+ delete $ibx->{newsgroup};
+ warn "newsgroup name invalid: `$ngname'\n";
+ } else {
+ # PublicInbox::NNTPD does stricter ->nntp_usable
+ # checks, keep this lean for startup speed
+ $self->{-by_newsgroup}->{$ngname} = $ibx;
+ }
+ }
+ unless (defined $ibx->{newsgroup}) { # for ->eidx_key
+ my $abs = rel2abs_collapsed($dir);
+ if ($abs ne $dir) {
+ warn "W: `$dir' canonicalized to `$abs'\n";
+ $ibx->{inboxdir} = $abs;
+ }
}
$self->{-by_name}->{$name} = $ibx;
if ($ibx->{obfuscate}) {
$ibx->{-no_obfuscate_re} = $self->{-no_obfuscate_re};
fill_all($self); # noop to populate -no_obfuscate
}
+ if (my $es = ALL($self)) {
+ require PublicInbox::Isearch;
+ $ibx->{isrch} = PublicInbox::Isearch->new($ibx, $es);
+ }
+ $self->{-by_eidx_key}->{$ibx->eidx_key} = $ibx;
+}
- if (my $ibx_code_repos = $ibx->{coderepo}) {
- my $code_repos = $self->{-code_repos};
- my $repo_objs = $ibx->{-repo_objs} = [];
- foreach my $nick (@$ibx_code_repos) {
- my @parts = split(m!/!, $nick);
- my $valid = 0;
- $valid += valid_inbox_name($_) foreach (@parts);
- $valid == scalar(@parts) or next;
+sub _fill_ei ($$) {
+ my ($self, $name) = @_;
+ eval { require PublicInbox::ExtSearch } or return;
+ my $pfx = "extindex.$name";
+ my $d = $self->{"$pfx.topdir"} // return;
+ -d $d or return;
+ if (index($d, "\n") >= 0) {
+ warn "E: `$d' must not contain `\\n'\n";
+ return;
+ }
+ my $es = PublicInbox::ExtSearch->new($d);
+ for my $k (qw(indexlevel indexsequentialshard)) {
+ my $v = get_1($self, "$pfx.$k") // next;
+ $es->{$k} = $v;
+ }
+ for my $k (qw(coderepo hide url infourl)) {
+ my $v = $self->{"$pfx.$k"} // next;
+ $es->{$k} = _array($v);
+ }
+ return unless valid_foo_name($name, 'extindex');
+ $es->{name} = $name;
+ $es;
+}
- my $repo = $code_repos->{$nick} //=
- _fill_code_repo($self, $nick);
- push @$repo_objs, $repo if $repo;
- }
+sub urlmatch {
+ my ($self, $key, $url) = @_;
+ state $urlmatch_broken; # requires git 1.8.5
+ return if $urlmatch_broken;
+ my $file = $self->{'-f'} // default_file();
+ my $cmd = [qw/git config -z --includes --get-urlmatch/,
+ "--file=$file", $key, $url ];
+ my $fh = popen_rd($cmd);
+ local $/ = "\0";
+ my $val = <$fh>;
+ if (close($fh)) {
+ chomp($val);
+ $val;
+ } else {
+ $urlmatch_broken = 1 if (($? >> 8) != 1);
+ undef;
}
+}
- $ibx
+sub json {
+ state $json;
+ $json //= do {
+ for my $mod (qw(Cpanel::JSON::XS JSON::MaybeXS JSON JSON::PP)) {
+ eval "require $mod" or next;
+ # ->ascii encodes non-ASCII to "\uXXXX"
+ $json = $mod->new->ascii(1) and last;
+ }
+ $json;
+ };
+}
+
+sub squote_maybe ($) {
+ my ($val) = @_;
+ if ($val =~ m{([^\w@\./,\%\+\-])}) {
+ $val =~ s/(['!])/'\\$1'/g; # '!' for csh
+ return "'$val'";
+ }
+ $val;
}
1;