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                                       Bot Mister Spy V3

	

Mister Spy

#!/usr/local/cpanel/3rdparty/bin/perl
package scripts::update_freebusy_data;

# cpanel - scripts/update_freebusy_data            Copyright 2024 cPanel, L.L.C.
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

use cPstrict;

use Cpanel::Config::Users      ();
use Cpanel::DAV::CaldavCarddav ();
use Cpanel::DAV::Metadata      ();
use Cpanel::PwCache            ();
use Cpanel::Slurper            ();
use Whostmgr::Email            ();

use Try::Tiny;

use parent qw( Cpanel::HelpfulScript );

use constant _OPTIONS => ('user=s');

=encoding utf-8

=head1 NAME

update_freebusy_data

=head1 USAGE

scripts/update_freebusy_data [--user]

=head1 DESCRIPTION

This script updates free-busy information based on what is currently in either:
* All users' calendar collections
* The specified user's collections.

=cut

# NOTE: This script is an "error steamroller". In almost every circumstance
# this tolerates even the most heinous of errors

# We get a list of all cpanel users, if they have a ~/.caldav/ dir, we load the metadata for each email user underneath
# to get a list of the VCALENDARs, then proceeed to go through all of their event files to extrapolate the event start and end times,
# convert those to UTC and save them in a hash, which is serialized into a json file under each principal email user.

# Get data back out:
# my $fb_data_hr = load_freebusy_data("/home/$sysuser/.caldav/$principaluser/.freebusy.json");
# print Dumper( $fb_data_hr );

# This script can take a single argument which is the username of the system account (as is called by restorepkg via Whostmgr/Transfers/Systems/NativeDAV.pm
# Otherwise it will process all users on the server.

exit __PACKAGE__->new(@ARGV)->run() unless caller();

sub run ($self) {
    if ( $< != 0 ) {
        print STDERR "You must be root to run this script!";
        return 1;
    }

    my $user2update  = $self->getopt('user');
    my @users2update = map { $_, @{ Whostmgr::Email::list_pops_for($_) } } length $user2update ? ($user2update) : Cpanel::Config::Users::getcpusers();

    my $cpuser;
    my $user_homedir;
    my %fb_data;
    foreach my $user (@users2update) {
        print "Processing Free/Busy data for $user...\n" if $ENV{'CPANEL_DEBUG_LEVEL'};

        my $is_webmail_user = index( $user, '@' ) != -1;
        if ( !$is_webmail_user ) {
            $cpuser       = $user;
            $user_homedir = scalar( ( Cpanel::PwCache::getpwnam($cpuser) )[7] );
        }
        next if !$user_homedir || !-d $user_homedir . '/.caldav/';

        my $principal_base_path = $user_homedir . '/.caldav/' . $user . '/';
        my $fb_full_path        = $principal_base_path . '.freebusy.json';

        # define the hash we will use to store all time slots from all events and all calendar collections under this $user
        my %fb_data;

        # load metadata and find VCALENDARS
        my $metadata_hr = Cpanel::DAV::Metadata->new(
            'homedir' => $user_homedir,
            'user'    => $user,
        )->load();
        foreach my $collection ( keys %{$metadata_hr} ) {

            # Shared collections get updated on the relevant user's pass
            next if $collection =~ m'///';
            next if !defined( $metadata_hr->{$collection}{'type'} ) || $metadata_hr->{$collection}{'type'} ne 'VCALENDAR';

            my $col_dh;
            if ( !opendir( $col_dh, $principal_base_path . $collection ) ) {
                print STDERR "Could not open collection directory ${principal_base_path}${collection} : $!\n";
                next;
            }

            # this assumes .ics extension, and so far 100% have been that,
            # but something to keep in mind. case agnostic despite 100%
            # being lc from the caldav clients already
            my @vcards = grep { $_ !~ m/^\./ && $_ =~ m/\.ics$/i } readdir($col_dh);
            closedir $col_dh;
            foreach my $vcard (@vcards) {
                my $vcard_path = $principal_base_path . $collection . '/' . $vcard;
                my $raw_ics_data;
                try {
                    $raw_ics_data = Cpanel::Slurper::read($vcard_path);
                    my $events_ar     = Cpanel::DAV::CaldavCarddav::get_events_info( undef, \$raw_ics_data );
                    my $fbdata_col_hr = Cpanel::DAV::CaldavCarddav::get_freebusy_data_from_parsed_ics($events_ar);
                    foreach my $uid ( keys %{$fbdata_col_hr} ) {
                        $fb_data{$collection}{$uid} = $fbdata_col_hr->{$uid};
                        $fb_data{$collection}{$uid}{'file'} = $vcard;                   # because some clients like to use names other than the UID..
                    }
                }
                catch {
                    print STDERR $_;
                };
            }
        }

        # Save the freebusy data for the user.
        if ( keys %fb_data ) {
            print "Saving updated freebusy data for $user..\n" if $ENV{'CPANEL_DEBUG_LEVEL'};
            Cpanel::DAV::CaldavCarddav::save_freebusy_data( $fb_full_path, $cpuser, \%fb_data );
        }
    }

    print "Done!\n" if $ENV{'CPANEL_DEBUG_LEVEL'};
    return 0;
}

1;