# Copyright (C) 2020 all contributors
# License: AGPL-3.0+
# cf. RFC 5092, which the `URI' package doesn't support
#
# This depends only on the documented public API of the `URI' dist,
# not on internal `_'-prefixed subclasses such as `URI::_server'
#
# exists, but it's not in
# common distros.
#
# RFC 2192 also describes ";TYPE="
package PublicInbox::URIimap;
use strict;
use URI::Split qw(uri_split uri_join); # part of URI
use URI::Escape qw(uri_unescape);
my %default_ports = (imap => 143, imaps => 993);
sub new {
my ($class, $url) = @_;
$url =~ m!\Aimaps?://! ? bless \$url, $class : undef;
}
sub canonical {
my ($self) = @_;
# no #frag in RFC 5092 from what I can tell
my ($scheme, $auth, $path, $query, $_frag) = uri_split($$self);
$path =~ s!\A/+!/!; # excessive leading slash
# lowercase the host portion
$auth =~ s#\A(.*@)?(.*?)(?::([0-9]+))?\z#
my $ret = ($1//'').lc($2);
if (defined(my $port = $3)) {
if ($default_ports{lc($scheme)} != $port) {
$ret .= ":$port";
}
}
$ret#ei;
ref($self)->new(uri_join(lc($scheme), $auth, $path, $query));
}
sub host {
my ($self) = @_;
my (undef, $auth) = uri_split($$self);
$auth =~ s!\A.*?@!!;
$auth =~ s!:[0-9]+\z!!;
$auth =~ s!\A\[(.*)\]\z!$1!; # IPv6
uri_unescape($auth);
}
# unescaped, may be used for globbing
sub path {
my ($self) = @_;
my (undef, undef, $path) = uri_split($$self);
$path =~ s!\A/+!!;
$path =~ s/;.*\z//; # ;UIDVALIDITY=nz-number
$path eq '' ? undef : $path;
}
sub mailbox {
my ($self) = @_;
my $path = path($self);
defined($path) ? uri_unescape($path) : undef;
}
# TODO: UIDVALIDITY, search, and other params
sub port {
my ($self) = @_;
my ($scheme, $auth) = uri_split($$self);
$auth =~ /:([0-9]+)\z/ ? $1 + 0 : $default_ports{lc($scheme)};
}
sub authority {
my ($self) = @_;
my (undef, $auth) = uri_split($$self);
$auth
}
sub user {
my ($self) = @_;
my (undef, $auth) = uri_split($$self);
$auth =~ s/@.*\z// or return undef; # drop host:port
$auth =~ s/;.*\z//; # drop ;AUTH=...
$auth =~ s/:.*\z//; # drop password
uri_unescape($auth);
}
sub password {
my ($self) = @_;
my (undef, $auth) = uri_split($$self);
$auth =~ s/@.*\z// or return undef; # drop host:port
$auth =~ s/;.*\z//; # drop ;AUTH=...
$auth =~ s/\A[^:]+:// ? uri_unescape($auth) : undef; # drop ->user
}
sub auth {
my ($self) = @_;
my (undef, $auth) = uri_split($$self);
$auth =~ s/@.*\z//; # drop host:port
$auth =~ /;AUTH=(.+)\z/i ? uri_unescape($1) : undef;
}
sub scheme {
my ($self) = @_;
(uri_split($$self))[0];
}
sub as_string { ${$_[0]} }
1;