diff options
Diffstat (limited to 'lib/PublicInbox/LeiInput.pm')
| -rw-r--r-- | lib/PublicInbox/LeiInput.pm | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/PublicInbox/LeiInput.pm b/lib/PublicInbox/LeiInput.pm index e416d3ed..de60a076 100644 --- a/lib/PublicInbox/LeiInput.pm +++ b/lib/PublicInbox/LeiInput.pm @@ -7,6 +7,38 @@ use strict; use v5.10.1; use PublicInbox::DS; +# JMAP RFC 8621 4.1.1 +# https://www.iana.org/assignments/imap-jmap-keywords/imap-jmap-keywords.xhtml +our @KW = (qw(seen answered flagged draft), # widely-compatible + qw(forwarded), # IMAP + Maildir + qw(phishing junk notjunk)); # rarely supported + +# note: RFC 8621 states "Users may add arbitrary keywords to an Email", +# but is it good idea? Stick to the system and reserved ones, for now. +# The widely-compatible ones map to IMAP system flags, Maildir flags +# and mbox Status/X-Status headers. +my %KW = map { $_ => 1 } @KW; +my $L_MAX = 244; # Xapian term limit - length('L') + +# RFC 8621, sec 2 (Mailboxes) a "label" for us is a JMAP Mailbox "name" +# "Servers MAY reject names that violate server policy" +my %ERR = ( + L => sub { + my ($label) = @_; + length($label) >= $L_MAX and + return "`$label' too long (must be <= $L_MAX)"; + $label =~ m{\A[a-z0-9_](?:[a-z0-9_\-\./\@,]*[a-z0-9])?\z}i ? + undef : "`$label' is invalid"; + }, + kw => sub { + my ($kw) = @_; + $KW{$kw} ? undef : <<EOM; +`$kw' is not one of: `seen', `flagged', `answered', `draft' +`junk', `notjunk', `phishing' or `forwarded' +EOM + } +); + sub check_input_format ($;$) { my ($lei, $files) = @_; my $opt_key = 'in-format'; @@ -183,4 +215,26 @@ sub input_only_atfork_child { undef; } +# like Getopt::Long, but for +kw:FOO and -kw:FOO to prepare +# for update_xvmd -> update_vmd +sub vmd_mod_extract { + my $argv = $_[-1]; + my $vmd_mod = {}; + my @new_argv; + for my $x (@$argv) { + if ($x =~ /\A(\+|\-)(kw|L):(.+)\z/) { + my ($op, $pfx, $val) = ($1, $2, $3); + if (my $err = $ERR{$pfx}->($val)) { + push @{$vmd_mod->{err}}, $err; + } else { # set "+kw", "+L", "-L", "-kw" + push @{$vmd_mod->{$op.$pfx}}, $val; + } + } else { + push @new_argv, $x; + } + } + @$argv = @new_argv; + $vmd_mod; +} + 1; |