JezK

Edit File: functions.php

<?php defined( 'ABSPATH' ) or die(); /** * Create a generic read more text with link for help texts. * * @param string $url * @param bool $add_space * * @return string */ function rsssl_le_read_more( $url, $add_character = ' ' ) { $html = sprintf( __( "For more information, please read this %sarticle%s", 'really-simple-ssl' ), '<a target="_blank" rel="noopener noreferrer" href="' . $url . '">', '</a>' ); if ( is_string($add_character) ) { $html = $add_character . $html; } return $html; } /** * Check if we need to use DNS verification * @return bool */ function rsssl_dns_verification_required(){ if ( get_option('rsssl_manually_changed_verification_type') ) { return rsssl_get_option( 'verification_type' ) === 'dns'; } /** * If our current hosting provider does not allow or require local SSL certificate generation, * We do not need to DNS verification either. */ if ( !rsssl_do_local_lets_encrypt_generation() ) { return false; } if ( rsssl_get_option('verification_type')==='dns' ) { return true; } if ( rsssl_wildcard_certificate_required() ) { //if the user hasn't manually forced the verification type to anything else, we set it to dns now. //otherwise we get a difference between this requirement, and the actual verification type that could be 'dir' if ( !get_option('rsssl_manually_changed_verification_type') && rsssl_get_option('verification_type')!=='dns' ) { rsssl_update_option('verification_type', 'dns'); } return true; } return false; } if ( !function_exists('rsssl_is_cpanel')) { /** * Check if we're on CPanel * * @return bool */ function rsssl_is_cpanel() { $open_basedir = ini_get("open_basedir"); if ( empty($open_basedir) && file_exists( "/usr/local/cpanel" ) ) { return true; } else if (rsssl_check_port(2082)) { return true; } else { return false; } } } if (!function_exists('rsssl_cpanel_api_supported')) { /** * Check if CPanel supports the api * * @return bool */ function rsssl_cpanel_api_supported() { if ( rsssl_is_cpanel() ) { return true; } return !rsssl_openbasedir_restriction("/usr/local/cpanel/php/cpanel.php") && file_exists( "/usr/local/cpanel/php/cpanel.php" ); } } if (!function_exists('rsssl_activated_by_default')) { /** * Check if the host has ssl, activated by default * * @return bool */ function rsssl_activated_by_default() { $activated_by_default = false; $activated_by_default_hosts = RSSSL_LE()->hosts->activated_by_default; $current_host = rsssl_get_other_host(); if ( in_array( $current_host, $activated_by_default_hosts ) ) { $activated_by_default = true; } return $activated_by_default; } } if ( !function_exists('rsssl_openbasedir_restriction')) { function rsssl_openbasedir_restriction( string $path): bool { // Default error handler is required set_error_handler(null); // Clean last error info. error_clear_last(); // Testing... @file_exists($path); // Restore previous error handler restore_error_handler(); // Return `true` if error has occurred return ($error = error_get_last()) && $error['message'] !== '__clean_error_info'; } } if (!function_exists('rsssl_activation_required')) { /** * Check if the host has ssl, activation required * * @return bool */ function rsssl_activation_required() { $dashboard_activation_required = false; $dashboard_activation_required_hosts = RSSSL_LE()->hosts->dashboard_activation_required; $current_host = rsssl_get_other_host(); if ( in_array( $current_host, $dashboard_activation_required_hosts ) ) { $dashboard_activation_required = true; } return $dashboard_activation_required; } } if (!function_exists('rsssl_paid_only')) { /** * Check if the host has ssl, paid only * * @return bool */ function rsssl_paid_only() { $paid_only = false; $paid_only_hosts = RSSSL_LE()->hosts->paid_only; $current_host = rsssl_get_other_host(); if ( in_array( $current_host, $paid_only_hosts ) ) { $paid_only = true; } return $paid_only; } } if ( !function_exists('rsssl_is_plesk')) { /** * https://stackoverflow.com/questions/26927248/how-to-detect-servers-control-panel-type-with-php * @return false */ function rsssl_is_plesk() { if ( get_option('rsssl_hosting_dashboard')==='plesk' ){ return true; } //cpanel takes precedence, as it's more precise if ( rsssl_is_cpanel() ) { return false; } $open_basedir = ini_get("open_basedir"); if ( empty($open_basedir) && is_dir( '/usr/local/psa' ) ) { return true; } else if (rsssl_check_port(8443)) { return true; } else { return false; } } } if ( !function_exists('rsssl_is_directadmin')) { /** * https://stackoverflow.com/questions/26927248/how-to-detect-servers-control-panel-type-with-php * @return bool */ function rsssl_is_directadmin() { if ( get_option('rsssl_hosting_dashboard')==='directadmin' ){ return true; } //cpanel takes precedence, as it's more precise if ( rsssl_is_cpanel() ) { return false; } if ( rsssl_is_plesk() ) { return false; } if (rsssl_check_port(2222)) { return true; } else { return false; } } } /** * @param int $port * * @return bool */ function rsssl_check_port( $port) { $port_check_status = get_option("rsssl_port_check_$port"); if ( !function_exists('fsockopen') || $port_check_status === 'fail' ) { return false; } $ipAddress = gethostbyname('localhost'); $link = @fsockopen( $ipAddress, $port, $errno, $error, 5 ); if ( $link ) { update_option("rsssl_port_check_$port", 'success', false); return true; } update_option("rsssl_port_check_$port", 'fail', false); return false; } if ( !function_exists('rsssl_get_other_host') ) { /** * Get the selected hosting provider, if any. * @return bool|string */ function rsssl_get_other_host() { return rsssl_get_option( 'other_host_type', false ); } } /** * Add some information to the javascript * @param array $args * * @return array */ function rsssl_le_localize_script($args){ $hosting_dashboard = 'other'; if ( rsssl_is_cpanel() ) $hosting_dashboard = 'cpanel'; if ( rsssl_is_directadmin() ) $hosting_dashboard = 'directadmin'; if ( rsssl_is_plesk() ) $hosting_dashboard = 'plesk'; $args['hosting_dashboard'] = $hosting_dashboard; return $args; } add_filter("rsssl_localize_script", 'rsssl_le_localize_script', 10, 3); if ( !function_exists('rsssl_progress_add')) { /** * @param string $item */ function rsssl_progress_add( $item ) { $progress = get_option( "rsssl_le_installation_progress", array() ); if ( ! in_array( $item, $progress ) ) { $progress[] = $item; update_option( "rsssl_le_installation_progress", $progress, false ); } } } if ( !function_exists('rsssl_uses_known_dashboard')) { /** * Check if website uses any of the known dashboards. */ function rsssl_uses_known_dashboard( ) { if ( rsssl_is_cpanel() || rsssl_is_plesk() || rsssl_is_directadmin() ) { return true; } else { return false; } } } if ( !function_exists('rsssl_is_ready_for')) { /** * @param string $item */ function rsssl_is_ready_for( $item ) { if ( !rsssl_do_local_lets_encrypt_generation() ) { rsssl_progress_add('directories'); rsssl_progress_add('generation'); rsssl_progress_add('dns-verification'); } if ( !rsssl_dns_verification_required() ) { rsssl_progress_add('dns-verification'); } if (empty(rsssl_get_not_completed_steps($item))){ return true; } else{ return false; } } } function rsssl_get_not_completed_steps($item){ $sequence = array_column( rsssl_le_steps(), 'id'); //drop first array_shift($sequence); //drop all statuses after $item. We only need to know if all previous ones have been completed $index = array_search($item, $sequence); $sequence = array_slice($sequence, 0, $index, true); $not_completed = array(); $finished = get_option("rsssl_le_installation_progress", array()); foreach ($sequence as $status ) { if (!in_array($status, $finished)) { $not_completed[] = $status; } } return $not_completed; } if ( !function_exists('rsssl_progress_remove')) { /** * @param string $item */ function rsssl_progress_remove( $item ) { $progress = get_option( "rsssl_le_installation_progress", array() ); if ( in_array( $item, $progress ) ) { $index = array_search( $item, $progress ); unset( $progress[ $index ] ); update_option( "rsssl_le_installation_progress", $progress, false ); } } } if ( !function_exists('rsssl_do_local_lets_encrypt_generation')) { /** * Check if the setup requires local certificate generation * @return bool */ function rsssl_do_local_lets_encrypt_generation() { $not_local_cert_hosts = RSSSL_LE()->hosts->not_local_certificate_hosts; $current_host = rsssl_get_other_host(); if ( in_array( $current_host, $not_local_cert_hosts ) ) { return false; } return true; } } if ( !function_exists('rsssl_get_manual_instructions_text')) { /** * Manual installation instructions * * @param string $url * * @return string */ function rsssl_get_manual_instructions_text( $url ) { $default_url = rsssl_link('install-ssl-certificate'); $dashboard_activation_required = rsssl_activation_required(); $activated_by_default = rsssl_activated_by_default(); $paid_only = rsssl_paid_only(); $button_activate = '<br><a href="' . $default_url . '" target="_blank" rel="noopener noreferrer" class="button button-primary">' . __( "Instructions", "really-simple-ssl" ) . '</a>&nbsp;&nbsp;'; $button_complete = '<br><a href="' . $default_url . '" target="_blank" rel="noopener noreferrer" class="button button-primary">' . __( "Instructions", "really-simple-ssl" ) . '</a>&nbsp;&nbsp;'; if ( $url === $default_url ) { $complete_manually = sprintf( __( "Please complete manually in your hosting dashboard.", "really-simple-ssl" ), '<a target="_blank" href="' . $url . '">', '</a>' ); $activate_manually = sprintf( __( "Please activate it manually on your hosting dashboard.", "really-simple-ssl" ), '<a target="_blank" href="' . $url . '">', '</a>' ); } else { $complete_manually = sprintf( __( "Please complete %smanually%s", "really-simple-ssl" ), '<a target="_blank" rel="noopener noreferrer" href="' . $url . '">', '</a>' ); $activate_manually = sprintf( __( "Please activate it on your dashboard %smanually%s", "really-simple-ssl" ), '<a target="_blank" rel="noopener noreferrer" href="' . $url . '">', '</a>' ); $button_activate .= '<a href="' . $url . '" target="_blank" rel="noopener noreferrer" class="button button-primary">' . __( "Go to activation", "really-simple-ssl" ) . '</a>'; $button_complete .= '<a href="' . $url . '" target="_blank" rel="noopener noreferrer" class="button button-primary">' . __( "Go to installation", "really-simple-ssl" ) . '</a>'; } if ( $activated_by_default ) { $msg = sprintf( __( "According to our information, your hosting provider supplies your account with an SSL certificate by default. Please contact your %shosting support%s if this is not the case.", "really-simple-ssl" ), '<a target="_blank "rel="noopener noreferrer" href="' . $url . '">', '</a>' ) . '&nbsp' . __( "After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl" ); } else if ( $dashboard_activation_required ) { $msg = __( "You already have free SSL on your hosting environment.", "really-simple-ssl" ) . '&nbsp' . $activate_manually . ' ' . __( "After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl" ) . $button_activate; } else if ( $paid_only ) { $msg = sprintf( __( "According to our information, your hosting provider does not allow any kind of SSL installation, other than their own paid certificate. For an alternative hosting provider with SSL, see this %sarticle%s.", "really-simple-ssl" ), '<a target="_blank" rel="noopener noreferrer" href='.rsssl_link("hosting-providers-with-free-ssl").'>', '</a>' ); } else { $msg = __( "Your hosting environment does not allow automatic SSL installation.", "really-simple-ssl" ) . ' ' . $complete_manually . ' ' . sprintf( __( "You can follow these %sinstructions%s.", "really-simple-ssl" ), '<a target="_blank" rel="noopener noreferrer" href="' . $default_url . '">', '</a>' ) . '&nbsp' . __( "After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl" ) . $button_complete; } return $msg; } } register_activation_hook( __FILE__, 'rsssl_set_activation_time_stamp' ); if ( ! function_exists( 'rsssl_set_activation_time_stamp' ) ) { function rsssl_set_activation_time_stamp( $networkwide ) { update_option( 'rsssl_activation_time', time(), false ); } } if ( ! function_exists( 'rsssl_array_filter_multidimensional' ) ) { function rsssl_array_filter_multidimensional( $array, $filter_key, $filter_value ) { $new = array_filter( $array, function ( $var ) use ( $filter_value, $filter_key ) { return isset( $var[ $filter_key ] ) ? ( $var[ $filter_key ] == $filter_value ) : false; } ); return $new; } } if ( !function_exists('rsssl_is_subdomain') ) { /** * Check if we're on a subdomain. * If this is a www domain, we return false */ function rsssl_is_subdomain(){ $domain = rsssl_get_domain(); if ( strpos($domain, 'www.') !== false ) return false; $root = rsssl_get_root_domain($domain); if ($root === $domain ) { return false; } else { return true; } } } if ( !function_exists('rsssl_get_root_domain') ) { /** * Get root domain of a domain */ function rsssl_get_root_domain($domain){ $sub = strtolower(trim($domain)); $count = substr_count($sub, '.'); if($count === 2){ if(strlen(explode('.', $sub)[1]) > 3) $sub = explode('.', $sub, 2)[1]; } else if($count > 2){ $sub = rsssl_get_root_domain(explode('.', $sub, 2)[1]); } return $sub; } } if ( ! function_exists( 'rsssl_get_domain' ) ) { /** * Get current domain * * @return string */ function rsssl_get_domain() { //Get current domain $domain = site_url(); //Parse to strip off any /subfolder/ $parse = parse_url($domain); $domain = $parse['host']; $domain = str_replace(array('http://', 'https://' ), '', $domain); return $domain; } } if ( !function_exists('rsssl_wildcard_certificate_required') ) { /** * Check if the site requires a wildcard * * @return bool */ function rsssl_wildcard_certificate_required() { //if DNS verification, create wildcard. if ( rsssl_get_option('verification_type') === 'dns' ) { return true; } if ( ! is_multisite() ) { return false; } else { if ( defined( 'SUBDOMAIN_INSTALL' ) && SUBDOMAIN_INSTALL ) { return true; } else { return false; } } } } if ( !function_exists('rsssl_can_install_shell_addon') ) { /** * check if this environment has shell capability * * @return bool */ function rsssl_can_install_shell_addon(){ //if not cpanel if ( !rsssl_is_cpanel() ) { return false; } //if already installed if (defined('rsssl_shell_path')){ return false; } if ( function_exists('shell_exec') || function_exists('system') || function_exists('passthru') || function_exists('exec') ) { return true; } else { return false; } } } if ( !function_exists('rsssl_generated_by_rsssl')) { /** * If a bundle generation is completed, this value is set to true. * * @return bool */ function rsssl_generated_by_rsssl() { return get_option( 'rsssl_le_certificate_generated_by_rsssl' ); } } /** * Checks if a CAA DNS record is preventing the use of Let's Encrypt for the current site. * * @return bool Returns true if a CAA DNS record exists and does not allow Let's Encrypt, false otherwise. */ if ( ! function_exists( 'rsssl_caa_record_prevents_le' ) ) { function rsssl_caa_record_prevents_le(): bool { // Get DNS CAA records for site_url() $caa_records = dns_get_record( parse_url( site_url(), PHP_URL_HOST ), DNS_CAA ); // If no CAA records found, return false if ( empty( $caa_records ) ) { return false; } // Check if the CAA record contains letsencrypt.org $caa_contains_le = false; foreach ( $caa_records as $caa_record ) { if ( strpos( $caa_record['value'], 'letsencrypt.org' ) !== false ) { $caa_contains_le = true; break; } } // If the CAA record is set, but does not contain letsencrypt.org, return true; if ( ! $caa_contains_le ) { return true; } // CAA record contains Let's Encrypt, generation allowed return false; } }
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