path: root/lib/Object/Groupware/DAV.pm

use v5.36;
use Feature::Compat::Class 0.07;

package Object::Groupware::DAV 0.01;

class Object::Groupware::DAV;

use utf8;

use Feature::Compat::Try;
use POSIX qw(locale_h);    # resolve LC_TIME
use locale;
use Net::Netrc;
use IO::Interactive::Tiny;
use Log::Any qw( );
use URI;
use IO::Prompter;
use Cal::DAV;
use DateTime;

use Object::Groupware::Calendar;

# use system locale to format DateTime objects parsed from iCal data
DateTime->DefaultLocale( setlocale(LC_TIME) );

field $log = Log::Any->get_logger;

field $uri : param;
field $user : param = undef;
field $pass : param = undef;

field $session;

ADJUST {
    $uri = URI->new($uri)
        or $log->fatal( 'failed to parse URI %s', $uri ) && exit 2;

    $log->debug('resolve credentials...');
    my $mach;
    ( $user, $pass ) = split ':', $uri->userinfo
        if !$user and $uri->userinfo;
    $mach = Net::Netrc->lookup( $uri->host, $user )
        unless $user and defined $pass;
    if ($mach) {
        $user ||= $mach->login;
        $pass ||= $mach->password;
        $log->infof(
            'will use .netrc provided credentials for user %s',
            $user
        );
    }
    elsif ( IO::Interactive::Tiny::is_interactive() ) {
        $log->warn(
            'will ask for missing info - this will fail in headless mode');
        $user ||= prompt 'Enter your username';
        $pass ||= prompt 'Enter your password', -echo => '*';
    }
    $log->debugf( 'resolved credentials for user %s', $user );

}

method get ($new_uri)
{
    $uri = URI->new($new_uri)
        or $log->fatal( 'failed to parse URI %s', $uri ) && exit 2
        if $new_uri;

    # fetch and parse CalDAV calendar data
    $log->debug('fetch and parse CalDAV calendar data...');
    $session //= Cal::DAV->new(
        user => $user,
        pass => $pass,
        url  => $uri,
    );

# TODO: if calendar object is empty on reused session with no new uri,
# warn on stderr with list of available collections using this sequence:
#  1. PROPFIND on base-URL for {DAV:}current-user-principal
#  2. PROPFIND for calendar-home-set property in caldav namespace
#  3. PROPFIND with depth: 1
# as documented at <https://stackoverflow.com/a/11673483>

    return Object::Groupware::Calendar->new( data => $session->cal );
}

1;