-# 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 throughout the project for reading configuration
package PublicInbox::Config;
use strict;
use warnings;
-use File::Path::Expand qw/expand_filename/;
+require PublicInbox::Inbox;
+use PublicInbox::Spawn qw(popen_rd);
# 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);
+ $file = ref $file ? $file : git_config_dump($file);
+ my $self = bless $file, $class;
- local $ENV{GIT_CONFIG} = defined $file ? $file : default_file();
-
- my @cfg = `git config -l`;
- $? == 0 or die "git config -l failed: $?\n";
- chomp @cfg;
- my %rv = map { split(/=/, $_, 2) } @cfg;
- bless \%rv, $class;
+ # caches
+ $self->{-by_addr} ||= {};
+ $self->{-by_name} ||= {};
+ $self->{-by_newsgroup} ||= {};
+ $self->{-limiters} ||= {};
+ $self;
}
sub lookup {
my ($self, $recipient) = @_;
my $addr = lc($recipient);
+ my $inbox = $self->{-by_addr}->{$addr};
+ return $inbox if $inbox;
+
my $pfx;
foreach my $k (keys %$self) {
- $k =~ /\A(publicinbox\.[A-Z0-9a-z-]+)\.address\z/ or next;
- (lc($self->{$k}) eq $addr) or next;
- $pfx = $1;
- last;
+ $k =~ /\A(publicinbox\.[\w-]+)\.address\z/ or next;
+ my $v = $self->{$k};
+ if (ref($v) eq "ARRAY") {
+ foreach my $alias (@$v) {
+ (lc($alias) eq $addr) or next;
+ $pfx = $1;
+ last;
+ }
+ } else {
+ (lc($v) eq $addr) or next;
+ $pfx = $1;
+ last;
+ }
}
-
defined $pfx or return;
+ _fill($self, $pfx);
+}
- my %rv = map {
- $_ => $self->{"$pfx.$_"}
- } (qw(mainrepo failrepo description address));
- \%rv;
+sub lookup_name ($$) {
+ my ($self, $name) = @_;
+ $self->{-by_name}->{$name} || _fill($self, "publicinbox.$name");
+}
+
+sub each_inbox {
+ my ($self, $cb) = @_;
+ my %seen;
+ foreach my $k (keys %$self) {
+ $k =~ /\Apublicinbox\.([A-Z0-9a-z-]+)\.mainrepo\z/ or next;
+ next if $seen{$1};
+ $seen{$1} = 1;
+ my $ibx = lookup_name($self, $1) or next;
+ $cb->($ibx);
+ }
+}
+
+sub lookup_newsgroup {
+ my ($self, $ng) = @_;
+ $ng = lc($ng);
+ my $rv = $self->{-by_newsgroup}->{$ng};
+ return $rv if $rv;
+
+ foreach my $k (keys %$self) {
+ $k =~ /\A(publicinbox\.[\w-]+)\.newsgroup\z/ or next;
+ my $v = $self->{$k};
+ my $pfx = $1;
+ if ($v eq $ng) {
+ $rv = _fill($self, $pfx);
+ return $rv;
+ }
+ }
+ undef;
+}
+
+sub limiter {
+ my ($self, $name) = @_;
+ $self->{-limiters}->{$name} ||= do {
+ require PublicInbox::Qspawn;
+ my $max = $self->{"publicinboxlimiter.$name.max"};
+ PublicInbox::Qspawn::Limiter->new($max);
+ };
}
+sub config_dir { $ENV{PI_DIR} || "$ENV{HOME}/.public-inbox" }
+
sub default_file {
my $f = $ENV{PI_CONFIG};
return $f if defined $f;
- my $pi_dir = $ENV{PI_DIR} || expand_filename('~/.public-inbox/');
- "$pi_dir/config";
+ config_dir() . '/config';
+}
+
+sub git_config_dump {
+ my ($file) = @_;
+ my ($in, $out);
+ my @cmd = (qw/git config/, "--file=$file", '-l');
+ my $cmd = join(' ', @cmd);
+ my $fh = popen_rd(\@cmd) or die "popen_rd failed for $file: $!\n";
+ my %rv;
+ local $/ = "\n";
+ while (defined(my $line = <$fh>)) {
+ chomp $line;
+ my ($k, $v) = split(/=/, $line, 2);
+ my $cur = $rv{$k};
+
+ if (defined $cur) {
+ if (ref($cur) eq "ARRAY") {
+ push @$cur, $v;
+ } else {
+ $rv{$k} = [ $cur, $v ];
+ }
+ } else {
+ $rv{$k} = $v;
+ }
+ }
+ close $fh or die "failed to close ($cmd) pipe: $?";
+ \%rv;
+}
+
+sub _fill {
+ my ($self, $pfx) = @_;
+ my $rv = {};
+
+ foreach my $k (qw(mainrepo address filter url newsgroup
+ infourl watch watchheader httpbackendmax
+ replyto feedmax nntpserver)) {
+ my $v = $self->{"$pfx.$k"};
+ $rv->{$k} = $v if defined $v;
+ }
+ foreach my $k (qw(obfuscate)) {
+ my $v = $self->{"$pfx.$k"};
+ defined $v or next;
+ if ($v =~ /\A(?:false|no|off|0)\z/) {
+ $rv->{$k} = 0;
+ } elsif ($v =~ /\A(?:true|yes|on|1)\z/) {
+ $rv->{$k} = 1;
+ } 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(altid nntpmirror)) {
+ if (defined(my $v = $self->{"$pfx.$k"})) {
+ $rv->{$k} = ref($v) eq 'ARRAY' ? $v : [ $v ];
+ }
+ }
+
+ return unless $rv->{mainrepo};
+ my $name = $pfx;
+ $name =~ s/\Apublicinbox\.//;
+ $rv->{name} = $name;
+ $rv->{-pi_config} = $self;
+ $rv = PublicInbox::Inbox->new($rv);
+ my $v = $rv->{address};
+ if (ref($v) eq 'ARRAY') {
+ $self->{-by_addr}->{lc($_)} = $rv foreach @$v;
+ } else {
+ $self->{-by_addr}->{lc($v)} = $rv;
+ }
+ if (my $ng = $rv->{newsgroup}) {
+ $self->{-by_newsgroup}->{$ng} = $rv;
+ }
+ $self->{-by_name}->{$name} = $rv;
}
1;