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lei q: reduce wasted IMAP connection for auth
[public-inbox.git] / lib / PublicInbox / LeiQuery.pm
1 # Copyright (C) 2021 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
3
4 # handles lei <q|ls-query|rm-query|mv-query> commands
5 package PublicInbox::LeiQuery;
6 use strict;
7 use v5.10.1;
8
9 sub prep_ext { # externals_each callback
10         my ($lxs, $exclude, $loc) = @_;
11         $lxs->prepare_external($loc) unless $exclude->{$loc};
12 }
13
14 sub _start_query {
15         my ($self) = @_;
16         if (my $net = $self->{net}) {
17                 require PublicInbox::LeiAuth;
18                 $self->{auth} = PublicInbox::LeiAuth->new($net);
19         }
20         $self->{lxs}->do_query($self);
21 }
22
23 sub qstr_add { # PublicInbox::InputPipe::consume callback for --stdin
24         my ($self) = @_; # $_[1] = $rbuf
25         if (defined($_[1])) {
26                 $_[1] eq '' and return eval {
27                         my $lse = delete $self->{lse};
28                         $lse->query_approxidate($lse->git,
29                                                 $self->{mset_opt}->{qstr});
30                         _start_query($self);
31                 };
32                 $self->{mset_opt}->{qstr} .= $_[1];
33         } else {
34                 $self->fail("error reading stdin: $!");
35         }
36 }
37
38 # the main "lei q SEARCH_TERMS" method
39 sub lei_q {
40         my ($self, @argv) = @_;
41         require PublicInbox::LeiXSearch;
42         require PublicInbox::LeiOverview;
43         require PublicInbox::V2Writable;
44         PublicInbox::Config->json; # preload before forking
45         my $opt = $self->{opt};
46         # prepare any number of LeiXSearch || LeiSearch || Inbox || URL
47         my $lxs = $self->{lxs} = PublicInbox::LeiXSearch->new;
48         my @only = @{$opt->{only} // []};
49         # --local is enabled by default unless --only is used
50         # we'll allow "--only $LOCATION --local"
51         my $sto = $self->_lei_store(1);
52         my $lse = $sto->search;
53         if ($opt->{'local'} //= scalar(@only) ? 0 : 1) {
54                 $lxs->prepare_external($lse);
55         }
56         if (@only) {
57                 for my $loc (@only) {
58                         my @loc = $self->get_externals($loc) or return;
59                         $lxs->prepare_external($_) for @loc;
60                 }
61         } else {
62                 for my $loc (@{$opt->{include} // []}) {
63                         my @loc = $self->get_externals($loc) or return;
64                         $lxs->prepare_external($_) for @loc;
65                 }
66                 # --external is enabled by default, but allow --no-external
67                 if ($opt->{external} //= 1) {
68                         my %x;
69                         for my $loc (@{$opt->{exclude} // []}) {
70                                 my @l = $self->get_externals($loc, 1) or return;
71                                 $x{$_} = 1 for @l;
72                         }
73                         my $ne = $self->externals_each(\&prep_ext, $lxs, \%x);
74                         $opt->{remote} //= !($lxs->locals - $opt->{'local'});
75                         if ($opt->{'local'}) {
76                                 delete($lxs->{remotes}) if !$opt->{remote};
77                         } else {
78                                 delete($lxs->{locals});
79                         }
80                 }
81         }
82         unless ($lxs->locals || $lxs->remotes) {
83                 return $self->fail('no local or remote inboxes to search');
84         }
85         my ($xj, $mj) = split(/,/, $opt->{jobs} // '');
86         if (defined($xj) && $xj ne '' && $xj !~ /\A[1-9][0-9]*\z/) {
87                 return $self->fail("`$xj' search jobs must be >= 1");
88         }
89         $xj ||= $lxs->concurrency($opt); # allow: "--jobs ,$WRITER_ONLY"
90         my $nproc = $lxs->detect_nproc // 1; # don't memoize, schedtool(1) exists
91         $xj = $nproc if $xj > $nproc;
92         $lxs->{-wq_nr_workers} = $xj;
93         if (defined($mj) && $mj !~ /\A[1-9][0-9]*\z/) {
94                 return $self->fail("`$mj' writer jobs must be >= 1");
95         }
96         PublicInbox::LeiOverview->new($self) or return;
97         $self->{l2m}->{-wq_nr_workers} = ($mj // $nproc) if $self->{l2m};
98
99         my %mset_opt = map { $_ => $opt->{$_} } qw(threads limit offset);
100         $mset_opt{asc} = $opt->{'reverse'} ? 1 : 0;
101         $mset_opt{limit} //= 10000;
102         if (defined(my $sort = $opt->{'sort'})) {
103                 if ($sort eq 'relevance') {
104                         $mset_opt{relevance} = 1;
105                 } elsif ($sort eq 'docid') {
106                         $mset_opt{relevance} = $mset_opt{asc} ? -1 : -2;
107                 } elsif ($sort =~ /\Areceived(?:-?[aA]t)?\z/) {
108                         # the default
109                 } else {
110                         die "unrecognized --sort=$sort\n";
111                 }
112         }
113         # descending docid order
114         $mset_opt{relevance} //= -2 if $opt->{threads};
115         $self->{mset_opt} = \%mset_opt;
116
117         if ($opt->{stdin}) {
118                 return $self->fail(<<'') if @argv;
119 no query allowed on command-line with --stdin
120
121                 require PublicInbox::InputPipe;
122                 $self->{lse} = $lse; # for query_approxidate
123                 PublicInbox::InputPipe::consume($self->{0}, \&qstr_add, $self);
124                 return;
125         }
126         $mset_opt{qstr} = $lse->query_argv_to_string($lse->git, \@argv);
127         _start_query($self);
128 }
129
130 # shell completion helper called by lei__complete
131 sub _complete_q {
132         my ($self, @argv) = @_;
133         my $ext = qr/\A(?:-I|(?:--(?:include|exclude|only)))\z/;
134         my @cur;
135         while (@argv) {
136                 if ($argv[-1] =~ $ext) {
137                         my @c = $self->_complete_forget_external(@cur);
138                         # try basename match:
139                         if (scalar(@cur) == 1 && index($cur[0], '/') < 0) {
140                                 my $all = $self->externals_each;
141                                 my %bn;
142                                 for my $loc (keys %$all) {
143                                         my $bn = (split(m!/!, $loc))[-1];
144                                         ++$bn{$bn};
145                                 }
146                                 push @c, grep {
147                                         $bn{$_} == 1 && /\A\Q$cur[0]/
148                                 } keys %bn;
149                         }
150                         return @c if @c;
151                 }
152                 unshift(@cur, pop @argv);
153         }
154         ();
155 }
156
157 # Stuff we may pass through to curl (as of 7.64.0), see curl manpage for
158 # details, so most options which make sense for HTTP/HTTPS (including proxy
159 # support for Tor and other methods of getting past weird networks).
160 # Most of these are untested by us, some may not make sense for our use case
161 # and typos below are likely.
162 # n.b. some short options (-$NUMBER) are not supported since they conflict
163 # with other "lei q" switches.
164 # FIXME: Getopt::Long doesn't easily let us support support options with
165 # '.' in them (e.g. --http1.1)
166 # TODO: should we depend on "-c http.*" options for things which have
167 # analogues in git(1)? that would reduce likelyhood of conflicts with
168 # our other CLI options
169 # Note: some names are renamed to avoid potential conflicts,
170 # see %lei2mail in lib/PublicInbox/LeiCurl.pm
171 sub curl_opt { qw(
172         curl-config=s@
173         abstract-unix-socket=s anyauth basic cacert=s capath=s
174         cert-status cert-type cert=s ciphers=s
175         connect-timeout=s connect-to=s cookie-jar=s cookie=s crlfile=s
176         digest disable dns-interface=s dns-ipv4-addr=s dns-ipv6-addr=s
177         dns-servers=s doh-url=s egd-file=s engine=s false-start
178         happy-eyeballs-timeout-ms=s haproxy-protocol header=s@
179         http2-prior-knowledge http2 insecure
180         interface=s ipv4 ipv6 junk-session-cookies
181         key-type=s key=s limit-rate=s local-port=s location-trusted location
182         max-redirs=i max-time=s negotiate netrc-file=s netrc-optional netrc
183         no-alpn no-buffer no-npn no-sessionid noproxy=s ntlm-wb ntlm
184         pass=s pinnedpubkey=s post301 post302 post303 preproxy=s
185         proxy-anyauth proxy-basic proxy-cacert=s proxy-capath=s
186         proxy-cert-type=s proxy-cert=s proxy-ciphers=s proxy-crlfile=s
187         proxy-digest proxy-header=s@ proxy-insecure
188         proxy-key-type=s proxy-key proxy-negotiate proxy-ntlm proxy-pass=s
189         proxy-pinnedpubkey=s proxy-service-name=s proxy-ssl-allow-beast
190         proxy-tls13-ciphers=s proxy-tlsauthtype=s proxy-tlspassword=s
191         proxy-tlsuser=s proxy-tlsv1 proxy-user=s proxy=s
192         proxytunnel=s pubkey=s random-file=s referer=s resolve=s
193         retry-connrefused retry-delay=s retry-max-time=s retry=i
194         sasl-ir service-name=s socks4=s socks4a=s socks5-basic
195         socks5-gssapi-service-name=s socks5-gssapi socks5-hostname=s socks5=s
196         speed-limit speed-type ssl-allow-beast sslv2 sslv3
197         suppress-connect-headers tcp-fastopen tls-max=s
198         tls13-ciphers=s tlsauthtype=s tlspassword=s tlsuser=s
199         tlsv1 trace-ascii=s trace-time trace=s
200         unix-socket=s user-agent=s user=s
201 )
202 }
203
204 1;