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<?php
final class ITSEC_Away_Mode_Utilities {
/**
* Check if the config file signaling away mode is active exists.
*
* @return bool
*/
public static function has_active_file() {
if ( @file_exists( self::get_active_file_name() ) ) {
return true;
} else {
return false;
}
}
/**
* Create a config file specifying that away mode is active.
*
* @return bool
*/
public static function create_active_file() {
if ( self::has_active_file() ) {
return true;
}
$file = self::get_active_file_name();
$result = @file_put_contents( $file, 'true' );
if ( false === $result ) {
return false;
} else {
return true;
}
}
/**
* Delete the config file specifying that away mode is active.
*
* @return bool
*/
public static function delete_active_file() {
if ( ! self::has_active_file() ) {
return true;
}
$file = self::get_active_file_name();
return @unlink( $file );
}
/**
* Get the file name for the config file specifying that away mode is active,
*
* @return string
*/
public static function get_active_file_name() {
$file_name = apply_filters( 'itsec_filer_away_mode_active_file', ITSEC_Core::get_storage_dir() . '/itsec_away.confg' );
return $file_name;
}
/**
* Check if the current UTC time falls between the two specified times, inclusive.
*
* @param int $start The UTC timestamp signalling the beginning of the active window.
* @param int $end The UTC timestamp signalling the end of the active window.
* @param bool $include_details Whether to include additional details about the active window.
*
* @return array|bool
*/
public static function is_current_timestamp_active( $start, $end, $include_details = false ) {
$now = ITSEC_Core::get_current_time_gmt();
$active = false;
if ( $start <= $now && $now <= $end ) {
$active = true;
}
if ( ! $include_details ) {
return $active;
}
if ( $start > $end ) {
$remaining = false;
$next = false;
$length = false;
/* translators: 1: start timestamp, 2: end timestamp */
$error = new WP_Error( 'itsec-away-mode-is-current-timestamp-in-range-start-after-end', sprintf( __( 'The supplied data is invalid. The supplied start (%1$s) is after the supplied end (%2$s).', 'better-wp-security' ), $start, $end ) );
} else {
$remaining = $end - $now;
$next = $start - $now;
$length = $end - $start;
$error = false;
if ( $now < $start ) {
$remaining = false;
}
if ( $next < 0 ) {
$next = false;
}
}
return compact( 'active', 'remaining', 'next', 'length', 'error' );
}
/**
* Check if the current local time falls between the two specified times, inclusive.
*
* @param int $start The local timestamp signalling the beginning of the active window.
* @param int $end The local timestamp signalling the end of the active window.
* @param bool $include_details Whether to include additional details about the active window.
*
* @return array|bool
*/
public static function is_current_time_active( $start, $end, $include_details = false ) {
$current_time = ITSEC_Core::get_current_time();
$now = $current_time - strtotime( date( 'Y-m-d', $current_time ) );
$active = false;
if ( $start <= $end ) {
if ( $start <= $now && $now <= $end ) {
$active = true;
}
} else {
if ( $start <= $now || $now <= $end ) {
$active = true;
}
}
if ( ! $include_details ) {
return $active;
}
$remaining = $end - $now;
$next = $start - $now;
$length = $end - $start;
if ( $active && $remaining < 0 ) {
$remaining += DAY_IN_SECONDS;
} else if ( ! $active && $remaining >= 0 ) {
$remaining -= DAY_IN_SECONDS;
}
if ( $next < 0 ) {
$next += DAY_IN_SECONDS;
}
if ( $length < 0 ) {
$length += DAY_IN_SECONDS;
}
return compact( 'active', 'remaining', 'next', 'length' );
}
}
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