X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FConfig.pm;h=113975dd9e2816b7e32366df030423eabecad3d9;hb=be940983157a1f8bd353cb1891f6971645c73e5d;hp=458f29b2964d32c592f0e33d9c060216efb6aee7;hpb=b3a04ae18a42ed960c89cc81c209633da6976380;p=public-inbox.git diff --git a/lib/PublicInbox/Config.pm b/lib/PublicInbox/Config.pm index 458f29b2..113975dd 100644 --- a/lib/PublicInbox/Config.pm +++ b/lib/PublicInbox/Config.pm @@ -1,4 +1,4 @@ -# Copyright (C) 2014-2020 all contributors +# Copyright (C) 2014-2021 all contributors # License: AGPL-3.0+ # # Used throughout the project for reading configuration @@ -9,7 +9,7 @@ package PublicInbox::Config; use strict; -use warnings; +use v5.10.1; use PublicInbox::Inbox; use PublicInbox::Spawn qw(popen_rd); @@ -19,13 +19,14 @@ sub _array ($) { ref($_[0]) eq 'ARRAY' ? $_[0] : [ $_[0] ] } # if keys may be multi-value, the value is an array ref containing all values sub new { my ($class, $file) = @_; - $file = default_file() unless defined($file); + $file //= 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", '='); } else { $self = git_config_dump($file); + $self->{'-f'} = $file; } bless $self, $class; # caches @@ -33,6 +34,7 @@ sub new { $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 @@ -86,16 +88,24 @@ sub lookup_list_id { sub lookup_name ($$) { my ($self, $name) = @_; - $self->{-by_name}->{$name} // _fill($self, "publicinbox.$name"); + $self->{-by_name}->{$name} // _fill_ibx($self, $name); } +sub lookup_ei { + my ($self, $name) = @_; + $self->{-ei_by_name}->{$name} //= _fill_ei($self, $name); +} + +# special case for [extindex "all"] +sub ALL { lookup_ei($_[0], 'all') } + sub each_inbox { - my ($self, $cb, $arg) = @_; + my ($self, $cb, @arg) = @_; # may auto-vivify if config file is non-existent: foreach my $section (@{$self->{-section_order}}) { next if $section !~ m!\Apublicinbox\.([^/]+)\z!; my $ibx = lookup_name($self, $1) or next; - $cb->($ibx, $arg); + $cb->($ibx, @arg); } } @@ -118,27 +128,21 @@ sub limiter { sub config_dir { $ENV{PI_DIR} // "$ENV{HOME}/.public-inbox" } sub default_file { - my $f = $ENV{PI_CONFIG}; - return $f if defined $f; - config_dir() . '/config'; + $ENV{PI_CONFIG} // (config_dir() . '/config'); } sub config_fh_parse ($$$) { 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 { @@ -156,16 +160,15 @@ sub config_fh_parse ($$$) { sub git_config_dump { my ($file) = @_; return {} unless -e $file; - my @cmd = (qw/git config -z -l --includes/, "--file=$file"); - my $cmd = join(' ', @cmd); - my $fh = popen_rd(\@cmd); + my $cmd = [ qw(git config -z -l --includes), "--file=$file" ]; + my $fh = popen_rd($cmd); my $rv = config_fh_parse($fh, "\0", "\n"); - close $fh or die "failed to close ($cmd) pipe: $?"; + close $fh or die "failed to close (@$cmd) pipe: $?"; $rv; } -sub valid_inbox_name ($) { - my ($name) = @_; +sub valid_foo_name ($;$) { + my ($name, $pfx) = @_; # Similar rules found in git.git/remote.c::valid_remote_nick # and git.git/refs.c::check_refname_component @@ -173,6 +176,7 @@ sub valid_inbox_name ($) { if ($name eq '' || $name =~ /\@\{/ || $name =~ /\.\./ || $name =~ m![/:\?\[\]\^~\s\f[:cntrl:]\*]! || $name =~ /\A\./ || $name =~ /\.\z/) { + warn "invalid $pfx name: `$name'\n" if $pfx; return 0; } @@ -351,8 +355,8 @@ sub _fill_code_repo { $git; } -sub _git_config_bool ($) { - my ($val) = @_; +sub git_bool { + my ($val) = $_[-1]; # $_[0] may be $self, or $val if ($val =~ /\A(?:false|no|off|[\-\+]?(?:0x)?0+)\z/i) { 0; } elsif ($val =~ /\A(?:true|yes|on|[\-\+]?(?:0x)?[0-9]+)\z/i) { @@ -362,24 +366,47 @@ sub _git_config_bool ($) { } } -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); +} - foreach my $k (qw(inboxdir filter newsgroup - watch httpbackendmax - replyto feedmax nntpserver indexlevel)) { +sub _one_val { + my ($self, $pfx, $k) = @_; + my $v = $self->{"$pfx.$k"} // return; + return $v if !ref($v); + warn "W: $pfx.$k has multiple values, only using `$v->[-1]'\n"; + $v->[-1]; +} + +sub _fill_ibx { + my ($self, $name) = @_; + my $pfx = "publicinbox.$name"; + my $ibx = {}; + for my $k (qw(watch nntpserver)) { my $v = $self->{"$pfx.$k"}; $ibx->{$k} = $v if defined $v; } + for my $k (qw(filter inboxdir newsgroup replyto httpbackendmax feedmax + indexlevel indexsequentialshard)) { + my $v = _one_val($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"; @@ -387,24 +414,15 @@ sub _fill { } # 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 + for my $k (qw(address altid nntpmirror coderepo hide listid url infourl watchheader)) { - 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; + 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 $lc_addr = lc($_); @@ -412,12 +430,36 @@ sub _fill { $self->{-no_obfuscate}->{$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}) { @@ -425,14 +467,13 @@ sub _fill { $ibx->{-no_obfuscate_re} = $self->{-no_obfuscate_re}; fill_all($self); # noop to populate -no_obfuscate } - 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); + $valid += valid_foo_name($_) foreach (@parts); $valid == scalar(@parts) or next; my $repo = $code_repos->{$nick} //= @@ -440,8 +481,62 @@ sub _fill { push @$repo_objs, $repo if $repo; } } + if (my $es = ALL($self)) { + require PublicInbox::Isearch; + $ibx->{isrch} = PublicInbox::Isearch->new($ibx, $es); + } + $self->{-by_eidx_key}->{$ibx->eidx_key} = $ibx; +} + +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; + my $es = PublicInbox::ExtSearch->new($d); + for my $k (qw(indexlevel indexsequentialshard)) { + my $v = _one_val($self, $pfx, $k) // next; + $es->{$k} = $v; + } + for my $k (qw(altid coderepo hide url infourl)) { + my $v = $self->{"$pfx.$k"} // next; + $es->{$k} = _array($v); + } + return unless valid_foo_name($name, 'extindex'); + $es->{name} = $name; + $es; +} + +sub urlmatch { + my ($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; + }; } 1;