| 1 |
<?php |
| 2 |
|
| 3 |
include_once dirname( REDIRECTION_FILE ) . '/database/database.php'; |
| 4 |
|
| 5 |
class Red_Fixer { |
| 6 |
public function get_status() { |
| 7 |
global $wpdb; |
| 8 |
|
| 9 |
$options = red_get_options(); |
| 10 |
|
| 11 |
$groups = intval( $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->prefix}redirection_groups" ), 10 ); |
| 12 |
$bad_group = $this->get_missing(); |
| 13 |
$monitor_group = $options['monitor_post']; |
| 14 |
$valid_monitor = Red_Group::get( $monitor_group ) || $monitor_group === 0; |
| 15 |
$rest_status = $this->get_rest_status(); |
| 16 |
|
| 17 |
$result = array( |
| 18 |
$rest_status, |
| 19 |
$this->get_rest_route_status( $rest_status ), |
| 20 |
array_merge( array( |
| 21 |
'id' => 'db', |
| 22 |
'name' => __( 'Database tables', 'redirection' ), |
| 23 |
), $this->get_database_status( Red_Database::get_latest_database() ) ), |
| 24 |
array( |
| 25 |
'name' => __( 'Valid groups', 'redirection' ), |
| 26 |
'id' => 'groups', |
| 27 |
'message' => $groups === 0 ? __( 'No valid groups, so you will not be able to create any redirects', 'redirection' ) : __( 'Valid groups detected', 'redirection' ), |
| 28 |
'status' => $groups === 0 ? 'problem' : 'good', |
| 29 |
), |
| 30 |
array( |
| 31 |
'name' => __( 'Valid redirect group', 'redirection' ), |
| 32 |
'id' => 'redirect_groups', |
| 33 |
'message' => count( $bad_group ) > 0 ? __( 'Redirects with invalid groups detected', 'redirection' ) : __( 'All redirects have a valid group', 'redirection' ), |
| 34 |
'status' => count( $bad_group ) > 0 ? 'problem' : 'good', |
| 35 |
), |
| 36 |
array( |
| 37 |
'name' => __( 'Post monitor group', 'redirection' ), |
| 38 |
'id' => 'monitor', |
| 39 |
'message' => $valid_monitor === false ? __( 'Post monitor group is invalid', 'redirection' ) : __( 'Post monitor group is valid', 'redirection' ), |
| 40 |
'status' => $valid_monitor === false ? 'problem' : 'good', |
| 41 |
), |
| 42 |
$this->get_http_settings(), |
| 43 |
); |
| 44 |
|
| 45 |
return $result; |
| 46 |
} |
| 47 |
|
| 48 |
private function get_database_status( $database ) { |
| 49 |
$missing = $database->get_missing_tables(); |
| 50 |
|
| 51 |
return array( |
| 52 |
'status' => count( $missing ) === 0 ? 'good' : 'error', |
| 53 |
'message' => count( $missing ) === 0 ? __( 'All tables present', 'redirection' ) : __( 'The following tables are missing:', 'redirection' ) . ' ' . join( ',', $missing ), |
| 54 |
); |
| 55 |
} |
| 56 |
|
| 57 |
private function get_http_settings() { |
| 58 |
$site = wp_parse_url( get_site_url(), PHP_URL_SCHEME ); |
| 59 |
$home = wp_parse_url( get_home_url(), PHP_URL_SCHEME ); |
| 60 |
|
| 61 |
$message = __( 'Site and home are consistent', 'redirection' ); |
| 62 |
if ( $site !== $home ) { |
| 63 |
/* translators: 1: Site URL, 2: Home URL */ |
| 64 |
$message = sprintf( __( 'Site and home URL are inconsistent. Please correct from your Settings > General page: %1$1s is not %2$2s', 'redirection' ), get_site_url(), get_home_url() ); |
| 65 |
} |
| 66 |
|
| 67 |
return array( |
| 68 |
'name' => __( 'Site and home protocol', 'redirection' ), |
| 69 |
'id' => 'redirect_url', |
| 70 |
'message' => $message, |
| 71 |
'status' => $site === $home ? 'good' : 'problem', |
| 72 |
); |
| 73 |
} |
| 74 |
|
| 75 |
private function get_rest_route_status( $status ) { |
| 76 |
$result = array( |
| 77 |
'name' => __( 'Redirection routes', 'redirection' ), |
| 78 |
'id' => 'routes', |
| 79 |
'status' => 'problem', |
| 80 |
); |
| 81 |
|
| 82 |
if ( $status['status'] === 'good' ) { |
| 83 |
$response = $this->request_from_api( red_get_rest_api() ); |
| 84 |
|
| 85 |
$result['message'] = __( 'Redirection does not appear in your REST API routes. Have you disabled it with a plugin?', 'redirection' ); |
| 86 |
|
| 87 |
if ( $response && is_array( $response ) && isset( $response['body'] ) ) { |
| 88 |
$json = $this->get_json( $response['body'] ); |
| 89 |
|
| 90 |
if ( isset( $json['success'] ) ) { |
| 91 |
$result['message'] = __( 'Redirection routes are working', 'redirection' ); |
| 92 |
$result['status'] = 'good'; |
| 93 |
} |
| 94 |
} |
| 95 |
} else { |
| 96 |
$result['message'] = __( 'REST API is not working so routes not checked', 'redirection' ); |
| 97 |
} |
| 98 |
|
| 99 |
return $result; |
| 100 |
} |
| 101 |
|
| 102 |
public function get_rest_status() { |
| 103 |
$status = array( |
| 104 |
'name' => __( 'WordPress REST API', 'redirection' ), |
| 105 |
'id' => 'rest', |
| 106 |
'status' => 'good', |
| 107 |
/* translators: %s: URL of REST API */ |
| 108 |
'message' => sprintf( __( 'WordPress REST API is working at %s', 'redirection' ), red_get_rest_api() ), |
| 109 |
); |
| 110 |
|
| 111 |
// Special case for OVH servers - this is as close as I can get to detecting mod_security |
| 112 |
$options = red_get_options(); |
| 113 |
if ( $options['rest_api'] === 0 && strpos( php_uname( 'a' ), 'ovh' ) !== false ) { |
| 114 |
red_set_options( array( 'rest_api' => 2 ) ); |
| 115 |
} |
| 116 |
|
| 117 |
$result = $this->check_api( red_get_rest_api() ); |
| 118 |
|
| 119 |
if ( is_wp_error( $result ) ) { |
| 120 |
$status['status'] = 'problem'; |
| 121 |
$status['message'] = $result->get_error_message(); |
| 122 |
} |
| 123 |
|
| 124 |
return $status; |
| 125 |
} |
| 126 |
|
| 127 |
public function fix( $status ) { |
| 128 |
foreach ( $status as $item ) { |
| 129 |
if ( $item['status'] !== 'good' ) { |
| 130 |
$fixer = 'fix_' . $item['id']; |
| 131 |
|
| 132 |
if ( method_exists( $this, $fixer ) ) { |
| 133 |
$result = $this->$fixer(); |
| 134 |
} |
| 135 |
|
| 136 |
if ( is_wp_error( $result ) ) { |
| 137 |
return $result; |
| 138 |
} |
| 139 |
} |
| 140 |
} |
| 141 |
|
| 142 |
return $this->get_status(); |
| 143 |
} |
| 144 |
|
| 145 |
private function get_missing() { |
| 146 |
global $wpdb; |
| 147 |
|
| 148 |
return $wpdb->get_results( "SELECT {$wpdb->prefix}redirection_items.id FROM {$wpdb->prefix}redirection_items LEFT JOIN {$wpdb->prefix}redirection_groups ON {$wpdb->prefix}redirection_items.group_id = {$wpdb->prefix}redirection_groups.id WHERE {$wpdb->prefix}redirection_groups.id IS NULL" ); |
| 149 |
} |
| 150 |
|
| 151 |
public function fix_rest() { |
| 152 |
// First check the default REST API |
| 153 |
$result = $this->check_api( get_rest_url() ); |
| 154 |
|
| 155 |
if ( is_wp_error( $result ) ) { |
| 156 |
$options = red_get_options(); |
| 157 |
if ( $options['https'] ) { |
| 158 |
// Disable this just be to safe |
| 159 |
red_set_options( array( 'https' => false ) ); |
| 160 |
} |
| 161 |
|
| 162 |
// Try directly at index.php?rest_route |
| 163 |
$rest_api = red_get_rest_api( REDIRECTION_API_JSON_INDEX ); |
| 164 |
$result = $this->check_api( $rest_api ); |
| 165 |
|
| 166 |
if ( is_wp_error( $result ) ) { |
| 167 |
$rest_api = red_get_rest_api( REDIRECTION_API_ADMIN ); |
| 168 |
$response = $this->request_from_api( $rest_api ); |
| 169 |
|
| 170 |
if ( is_array( $response ) && isset( $response['body'] ) && $response['body'] === '0' ) { |
| 171 |
red_set_options( array( 'rest_api' => 2 ) ); |
| 172 |
return true; |
| 173 |
} |
| 174 |
|
| 175 |
red_set_options( array( 'rest_api' => 0 ) ); |
| 176 |
return false; |
| 177 |
} |
| 178 |
|
| 179 |
// It worked! Save the URL |
| 180 |
red_set_options( array( 'rest_api' => 1 ) ); |
| 181 |
return true; |
| 182 |
} |
| 183 |
|
| 184 |
// Working |
| 185 |
red_set_options( array( 'rest_api' => 0 ) ); |
| 186 |
return true; |
| 187 |
} |
| 188 |
|
| 189 |
private function normalize_url( $url ) { |
| 190 |
if ( substr( $url, 0, 4 ) !== 'http' ) { |
| 191 |
$parts = wp_parse_url( get_site_url() ); |
| 192 |
$url = ( isset( $parts['scheme'] ) ? $parts['scheme'] : 'http' ) . '://' . $parts['host'] . $url; |
| 193 |
} |
| 194 |
|
| 195 |
return $url; |
| 196 |
} |
| 197 |
|
| 198 |
private function request_from_api( $url ) { |
| 199 |
$url = $this->normalize_url( $url . 'redirection/v1/plugin/test' ); |
| 200 |
$url = add_query_arg( '_wpnonce', wp_create_nonce( 'wp_rest' ), $url ); |
| 201 |
$options = array( |
| 202 |
'cookies' => $_COOKIE, |
| 203 |
'redirection' => 0, |
| 204 |
'body' => '{}', |
| 205 |
); |
| 206 |
|
| 207 |
// For REST API calls set the content-type - some servers get tripped up on this |
| 208 |
if ( strpos( $url, '/wp-json/' ) !== false || strpos( $url, 'rest_route' ) !== false ) { |
| 209 |
$options['headers'] = array( |
| 210 |
'content-type: application/json; charset=utf-8', |
| 211 |
); |
| 212 |
} |
| 213 |
|
| 214 |
// Match our user agent |
| 215 |
if ( Redirection_Request::get_user_agent() ) { |
| 216 |
$options['user-agent'] = Redirection_Request::get_user_agent(); |
| 217 |
} |
| 218 |
|
| 219 |
// Some plugins make use of sessions, so we end up getting blocked. |
| 220 |
if ( session_id() ) { |
| 221 |
session_write_close(); |
| 222 |
} |
| 223 |
|
| 224 |
return wp_remote_post( $url, $options ); |
| 225 |
} |
| 226 |
|
| 227 |
private function check_api( $url ) { |
| 228 |
$response = $this->request_from_api( $url ); |
| 229 |
if ( is_wp_error( $response ) ) { |
| 230 |
return $response; |
| 231 |
} |
| 232 |
|
| 233 |
$http_code = wp_remote_retrieve_response_code( $response ); |
| 234 |
|
| 235 |
$specific = 'REST API returns an error code'; |
| 236 |
if ( $http_code === 200 ) { |
| 237 |
$json = $this->get_json( $response['body'] ); |
| 238 |
|
| 239 |
if ( $json || $response['body'] === '0' ) { |
| 240 |
return true; |
| 241 |
} else { |
| 242 |
$specific = 'REST API returned invalid JSON data. This is probably an error page of some kind and indicates it has been disabled'; |
| 243 |
$specific .= ' - ' . json_last_error_msg(); |
| 244 |
} |
| 245 |
} elseif ( $http_code === 301 || $http_code === 302 ) { |
| 246 |
$specific = 'REST API is being redirected. This indicates it has been disabled or you have a trailing slash redirect.'; |
| 247 |
} elseif ( $http_code === 404 ) { |
| 248 |
$specific = 'REST API is returning a 404 error. This indicates it has been disabled.'; |
| 249 |
} elseif ( $http_code ) { |
| 250 |
$specific = 'REST API returned a ' . $http_code . ' code.'; |
| 251 |
} |
| 252 |
|
| 253 |
return new WP_Error( 'redirect', $specific . ' (' . ( $http_code ? $http_code : 'unknown' ) . ' - ' . $url . ')' ); |
| 254 |
} |
| 255 |
|
| 256 |
private function get_json( $body ) { |
| 257 |
if ( strpos( bin2hex( $body ), 'efbbbf' ) !== false ) { |
| 258 |
$body = substr( $body, 3 ); |
| 259 |
} |
| 260 |
|
| 261 |
return @json_decode( $body, true ); |
| 262 |
} |
| 263 |
|
| 264 |
private function fix_db() { |
| 265 |
$database = Red_Database::get_latest_database(); |
| 266 |
return $database->install(); |
| 267 |
} |
| 268 |
|
| 269 |
private function fix_groups() { |
| 270 |
if ( Red_Group::create( 'new group', 1 ) === false ) { |
| 271 |
return new WP_Error( __( 'Unable to create group', 'redirection' ) ); |
| 272 |
} |
| 273 |
|
| 274 |
return true; |
| 275 |
} |
| 276 |
|
| 277 |
private function fix_redirect_groups() { |
| 278 |
global $wpdb; |
| 279 |
|
| 280 |
$missing = $this->get_missing(); |
| 281 |
|
| 282 |
foreach ( $missing as $row ) { |
| 283 |
$wpdb->update( $wpdb->prefix . 'redirection_items', array( 'group_id' => $this->get_valid_group() ), array( 'id' => $row->id ) ); |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
private function fix_monitor() { |
| 288 |
red_set_options( array( 'monitor_post' => $this->get_valid_group() ) ); |
| 289 |
} |
| 290 |
|
| 291 |
private function get_valid_group() { |
| 292 |
$groups = Red_Group::get_all(); |
| 293 |
|
| 294 |
return $groups[0]['id']; |
| 295 |
} |
| 296 |
} |
| 297 |
|
