| 1 |
<?php |
| 2 |
/** |
| 3 |
* Responsible for managing server configurations related to security tweaks . |
| 4 |
* |
| 5 |
* @package WP_Defender\Component\Security_Tweaks\Servers |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace WP_Defender\Component\Security_Tweaks\Servers; |
| 9 |
|
| 10 |
use WP_Error; |
| 11 |
use WP_Filesystem_Base; |
| 12 |
|
| 13 |
/** |
| 14 |
* Provides methods to apply and revert security rules on servers. |
| 15 |
*/ |
| 16 |
class Apache { |
| 17 |
|
| 18 |
public const CACHE_APACHE_VERSION = 'defender_apache_version'; |
| 19 |
|
| 20 |
/** |
| 21 |
* Exclude file paths. |
| 22 |
* |
| 23 |
* @var array |
| 24 |
*/ |
| 25 |
public $new_htaccess_config = array(); |
| 26 |
|
| 27 |
/** |
| 28 |
* The htaccess inside wp-content. |
| 29 |
* |
| 30 |
* @var string |
| 31 |
*/ |
| 32 |
public $contentdir_path = null; |
| 33 |
|
| 34 |
/** |
| 35 |
* The htaccess path inside wp-includes. |
| 36 |
* |
| 37 |
* @var null |
| 38 |
*/ |
| 39 |
public $includedir_path = null; |
| 40 |
|
| 41 |
/** |
| 42 |
* Service type. |
| 43 |
* |
| 44 |
* @var string |
| 45 |
*/ |
| 46 |
private $type = null; |
| 47 |
|
| 48 |
/** |
| 49 |
* Constructor for class. |
| 50 |
* |
| 51 |
* @param string $type The type of the security tweak. |
| 52 |
*/ |
| 53 |
public function __construct( $type ) { |
| 54 |
$this->type = $type; |
| 55 |
} |
| 56 |
|
| 57 |
/** |
| 58 |
* Check whether the issue has been resolved or not. |
| 59 |
* |
| 60 |
* @return bool |
| 61 |
*/ |
| 62 |
public function check() { |
| 63 |
$url = ''; |
| 64 |
|
| 65 |
if ( 'prevent-php-executed' === $this->type ) { |
| 66 |
$dir = wp_upload_dir(); |
| 67 |
$url = $dir['baseurl'] . '/wp-defender/index.php'; |
| 68 |
} |
| 69 |
|
| 70 |
if ( 'protect-information' === $this->type ) { |
| 71 |
$url = defender_asset_url( '/languages/' . WP_DEFENDER_POT_FILENAME ); |
| 72 |
} |
| 73 |
|
| 74 |
return Server::ping_test_failed( $url ); |
| 75 |
} |
| 76 |
|
| 77 |
/** |
| 78 |
* Retrieves a WP_Error object based on the provided file path. |
| 79 |
* |
| 80 |
* @param string $file_path The path to the file. |
| 81 |
* |
| 82 |
* @return WP_Error Returns a WP_Error indicating the file is not writable. |
| 83 |
*/ |
| 84 |
public function get_error_by_file_path( $file_path ) { |
| 85 |
return new WP_Error( |
| 86 |
'defender_file_not_writable', |
| 87 |
sprintf( |
| 88 |
/* translators: %s: file path */ |
| 89 |
esc_html__( 'The file %s is not writable', 'defender-security' ), |
| 90 |
$file_path |
| 91 |
) |
| 92 |
); |
| 93 |
} |
| 94 |
|
| 95 |
/** |
| 96 |
* Process the rule. |
| 97 |
* |
| 98 |
* @return bool|WP_Error |
| 99 |
*/ |
| 100 |
public function process() { |
| 101 |
global $wp_filesystem; |
| 102 |
// Initialize the WP filesystem, no more using 'file-put-contents' function. |
| 103 |
if ( ! $wp_filesystem instanceof WP_Filesystem_Base ) { |
| 104 |
require_once ABSPATH . '/wp-admin/includes/file.php'; |
| 105 |
WP_Filesystem(); |
| 106 |
} |
| 107 |
if ( 'protect-information' === $this->type ) { |
| 108 |
$ht_access_path = ABSPATH . '.htaccess'; |
| 109 |
// Create a htaccess-file if it doesn't exist. |
| 110 |
if ( ! is_file( $ht_access_path ) |
| 111 |
&& false === file_put_contents( $ht_access_path, '', LOCK_EX ) // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 112 |
) { |
| 113 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 114 |
} |
| 115 |
// If the htaccess-file is existed. |
| 116 |
if ( ! $wp_filesystem->is_writable( $ht_access_path ) ) { |
| 117 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 118 |
} |
| 119 |
|
| 120 |
$ht_access_config = file( $ht_access_path ); |
| 121 |
$ht_access_config = array_map( 'trim', $ht_access_config ); |
| 122 |
$rules = $this->get_rules(); |
| 123 |
$contains_search = array_diff( array_map( 'trim', $rules ), $ht_access_config ); |
| 124 |
|
| 125 |
if ( count( $contains_search ) < count( $rules ) ) { |
| 126 |
// Search the wrapper block. |
| 127 |
$ht_access_content = $wp_filesystem->get_contents( $ht_access_path ); |
| 128 |
preg_match( '/## WP Defender(.*?)## WP Defender - End ##/s', $ht_access_content, $matches ); |
| 129 |
|
| 130 |
if ( count( $matches ) ) { |
| 131 |
// Remove the whole parts as its partial done. |
| 132 |
$ht_access_content = str_replace( $matches[0], '', $ht_access_content ); |
| 133 |
$ht_access_config = explode( PHP_EOL, $ht_access_content ); |
| 134 |
$ht_access_config = array_merge( $ht_access_config, $rules ); |
| 135 |
|
| 136 |
return (bool) file_put_contents( $ht_access_path, implode( PHP_EOL, $ht_access_config ), LOCK_EX ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 137 |
} |
| 138 |
} |
| 139 |
|
| 140 |
if ( 0 === count( $contains_search ) || ( count( $contains_search ) === count( $rules ) ) ) { |
| 141 |
$ht_access_config = array_merge( $ht_access_config, $rules ); |
| 142 |
|
| 143 |
return (bool) file_put_contents( $ht_access_path, implode( PHP_EOL, $ht_access_config ), LOCK_EX ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 144 |
} |
| 145 |
} |
| 146 |
|
| 147 |
if ( 'prevent-php-executed' === $this->type ) { |
| 148 |
if ( ! in_array( Server::get_current_server(), array( 'apache', 'litespeed' ), true ) ) { |
| 149 |
return new WP_Error( |
| 150 |
'defender_unable_to_apply_rules', |
| 151 |
esc_html__( |
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'The rules can\'t be applied. This can be either because your host doesn\'t allow editing the file, or you\'ve selected the wrong server type.', |
| 153 |
'defender-security' |
| 154 |
) |
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); |
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} |
| 157 |
|
| 158 |
$response = $this->protect_content_directory(); |
| 159 |
|
| 160 |
if ( is_wp_error( $response ) ) { |
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return $response; |
| 162 |
} |
| 163 |
|
| 164 |
$response = $this->protect_includes_directory(); |
| 165 |
|
| 166 |
if ( is_wp_error( $response ) ) { |
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return $response; |
| 168 |
} |
| 169 |
|
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$response = $this->protect_uploads_directory(); |
| 171 |
|
| 172 |
if ( is_wp_error( $response ) ) { |
| 173 |
return $response; |
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} |
| 175 |
|
| 176 |
$settings = array( |
| 177 |
'new_htaccess_config' => $this->get_new_htaccess_config(), |
| 178 |
); |
| 179 |
|
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update_site_option( "defender_security_tweeks_{$this->type}", $settings ); |
| 181 |
|
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return true; |
| 183 |
} |
| 184 |
|
| 185 |
return true; |
| 186 |
} |
| 187 |
|
| 188 |
/** |
| 189 |
* Revert the rules. |
| 190 |
* |
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* @return bool|WP_Error |
| 192 |
*/ |
| 193 |
public function revert() { |
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global $wp_filesystem; |
| 195 |
// Initialize the WP filesystem, no more using 'file-put-contents' function. |
| 196 |
if ( ! $wp_filesystem instanceof WP_Filesystem_Base ) { |
| 197 |
require_once ABSPATH . '/wp-admin/includes/file.php'; |
| 198 |
WP_Filesystem(); |
| 199 |
} |
| 200 |
if ( 'protect-information' === $this->type ) { |
| 201 |
$ht_access_path = ABSPATH . '.htaccess'; |
| 202 |
// Quick exit if the file does not exist. |
| 203 |
if ( ! is_file( $ht_access_path ) ) { |
| 204 |
return true; |
| 205 |
} |
| 206 |
|
| 207 |
if ( ! $wp_filesystem->is_writable( $ht_access_path ) ) { |
| 208 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 209 |
} |
| 210 |
|
| 211 |
$ht_access_config = $wp_filesystem->get_contents( $ht_access_path ); |
| 212 |
$rules = $this->get_rules(); |
| 213 |
|
| 214 |
preg_match_all( '/## WP Defender(.*?)## WP Defender - End ##/s', $ht_access_config, $matches ); |
| 215 |
|
| 216 |
if ( is_array( $matches ) && count( $matches ) > 0 ) { |
| 217 |
$ht_access_config = str_replace( implode( '', $matches[0] ), '', $ht_access_config ); |
| 218 |
} else { |
| 219 |
$ht_access_config = str_replace( implode( '', $rules ), '', $ht_access_config ); |
| 220 |
} |
| 221 |
|
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$ht_access_config = trim( $ht_access_config ); |
| 223 |
|
| 224 |
return (bool) file_put_contents( $ht_access_path, $ht_access_config, LOCK_EX ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 225 |
} |
| 226 |
|
| 227 |
if ( 'prevent-php-executed' === $this->type ) { |
| 228 |
// Content-folder. |
| 229 |
$response = $this->unprotect_content_directory(); |
| 230 |
if ( is_wp_error( $response ) ) { |
| 231 |
return wp_send_json_error( |
| 232 |
array( 'message' => $response->get_error_message() ) |
| 233 |
); |
| 234 |
} |
| 235 |
// Includes-folder. |
| 236 |
$response = $this->unprotect_includes_directory(); |
| 237 |
if ( is_wp_error( $response ) ) { |
| 238 |
return wp_send_json_error( |
| 239 |
array( 'message' => $response->get_error_message() ) |
| 240 |
); |
| 241 |
} |
| 242 |
// Uploads-folder. |
| 243 |
$response = $this->unprotect_upload_directory(); |
| 244 |
if ( is_wp_error( $response ) ) { |
| 245 |
return wp_send_json_error( |
| 246 |
array( 'message' => $response->get_error_message() ) |
| 247 |
); |
| 248 |
} |
| 249 |
|
| 250 |
return delete_site_option( "defender_security_tweeks_{$this->type}" ); |
| 251 |
} |
| 252 |
|
| 253 |
return true; |
| 254 |
} |
| 255 |
|
| 256 |
/** |
| 257 |
* Get Apache rule depending on the version. |
| 258 |
* |
| 259 |
* @return array |
| 260 |
*/ |
| 261 |
public function get_rules() { |
| 262 |
$rules = array( |
| 263 |
PHP_EOL . '## WP Defender - Prevent information disclosure ##' . PHP_EOL, |
| 264 |
'<FilesMatch "(?i)\.(md|exe|sh|bak|inc|pot|po|mo|log|sql)$">' . PHP_EOL . |
| 265 |
'Require all denied' . PHP_EOL . |
| 266 |
'</FilesMatch>' . PHP_EOL, |
| 267 |
'<Files robots.txt>' . PHP_EOL . |
| 268 |
'Require all granted' . PHP_EOL . |
| 269 |
'</Files>' . PHP_EOL, |
| 270 |
'<Files ads.txt>' . PHP_EOL . |
| 271 |
'Require all granted' . PHP_EOL . |
| 272 |
'</Files>' . PHP_EOL, |
| 273 |
'## WP Defender - End ##', |
| 274 |
); |
| 275 |
|
| 276 |
if ( version_compare( $this->get_version(), '2.4', '<' ) ) { |
| 277 |
$rules = array( |
| 278 |
PHP_EOL . '## WP Defender - Prevent information disclosure ##' . PHP_EOL, |
| 279 |
'<FilesMatch "(?i)\.(md|exe|sh|bak|inc|pot|po|mo|log|sql)$">' . PHP_EOL . |
| 280 |
'Order allow,deny' . PHP_EOL . |
| 281 |
'Deny from all' . PHP_EOL . |
| 282 |
'</FilesMatch>' . PHP_EOL, |
| 283 |
'<Files robots.txt>' . PHP_EOL . |
| 284 |
'Allow from all' . PHP_EOL . |
| 285 |
'</Files>' . PHP_EOL, |
| 286 |
'<Files ads.txt>' . PHP_EOL . |
| 287 |
'Allow from all' . PHP_EOL . |
| 288 |
'</Files>' . PHP_EOL, |
| 289 |
'## WP Defender - End ##', |
| 290 |
); |
| 291 |
} |
| 292 |
|
| 293 |
return $rules; |
| 294 |
} |
| 295 |
|
| 296 |
/** |
| 297 |
* Get LiteSpeed .htaccess rules for display in the browser, independent of the current server detection. |
| 298 |
* |
| 299 |
* @return string |
| 300 |
*/ |
| 301 |
public function get_litespeed_rules_for_instruction(): string { |
| 302 |
if ( 'prevent-php-executed' !== $this->type ) { |
| 303 |
return ''; |
| 304 |
} |
| 305 |
|
| 306 |
$rules = '## WP Defender - Protect PHP Executed ##' . PHP_EOL; |
| 307 |
$rules .= '<Files *.php>' . PHP_EOL; |
| 308 |
$rules .= 'Require all denied' . PHP_EOL; |
| 309 |
$rules .= '</Files>' . PHP_EOL; |
| 310 |
$rules .= '## WP Defender - End ##' . PHP_EOL; |
| 311 |
|
| 312 |
return $rules; |
| 313 |
} |
| 314 |
|
| 315 |
/** |
| 316 |
* Get Apache rule depending on the version for instruction on browser. |
| 317 |
* |
| 318 |
* @return string |
| 319 |
*/ |
| 320 |
public function get_rules_for_instruction() { |
| 321 |
$rules = ''; |
| 322 |
|
| 323 |
if ( 'prevent-php-executed' === $this->type ) { |
| 324 |
$rules = '## WP Defender - Protect PHP Executed ##' . PHP_EOL; |
| 325 |
$rules .= PHP_EOL; |
| 326 |
$rules .= '<Files *.php>' . PHP_EOL; |
| 327 |
$rules .= 'Require all denied' . PHP_EOL; |
| 328 |
$rules .= '</Files>' . PHP_EOL; |
| 329 |
$rules .= PHP_EOL; |
| 330 |
$rules .= '## WP Defender - End ##' . PHP_EOL; |
| 331 |
|
| 332 |
if ( 'apache' === Server::get_current_server() && version_compare( $this->get_version(), '2.4', '<' ) ) { |
| 333 |
$rules = '## WP Defender - Protect PHP Executed ##' . PHP_EOL; |
| 334 |
$rules .= PHP_EOL; |
| 335 |
$rules .= '<Files *.php>' . PHP_EOL; |
| 336 |
$rules .= 'Order allow,deny' . PHP_EOL; |
| 337 |
$rules .= 'Deny from all' . PHP_EOL; |
| 338 |
$rules .= '</Files>' . PHP_EOL; |
| 339 |
$rules .= PHP_EOL; |
| 340 |
$rules .= '## WP Defender - End ##' . PHP_EOL; |
| 341 |
} elseif ( 'litespeed' === Server::get_current_server() ) { |
| 342 |
$rules = '## WP Defender - Protect PHP Executed ##' . PHP_EOL; |
| 343 |
$rules .= 'RewriteEngine On' . PHP_EOL; |
| 344 |
$rules .= 'RewriteRule ^.*\.php$ - [F,L,NC]' . PHP_EOL; |
| 345 |
$rules .= '## WP Defender - End ##' . PHP_EOL; |
| 346 |
} |
| 347 |
} |
| 348 |
|
| 349 |
if ( 'protect-information' === $this->type ) { |
| 350 |
$rules = '## WP Defender - Prevent information disclosure ##' . PHP_EOL; |
| 351 |
$rules .= PHP_EOL; |
| 352 |
$rules .= '<FilesMatch "(?i)\.(md|exe|sh|bak|inc|pot|po|mo|log|sql)$">' . PHP_EOL; |
| 353 |
$rules .= 'Require all denied' . PHP_EOL; |
| 354 |
$rules .= '</FilesMatch>' . PHP_EOL; |
| 355 |
$rules .= PHP_EOL; |
| 356 |
$rules .= '<Files robots.txt>' . PHP_EOL; |
| 357 |
$rules .= 'Require all granted' . PHP_EOL; |
| 358 |
$rules .= '</Files>' . PHP_EOL; |
| 359 |
$rules .= PHP_EOL; |
| 360 |
$rules .= '<Files ads.txt>' . PHP_EOL; |
| 361 |
$rules .= 'Require all granted' . PHP_EOL; |
| 362 |
$rules .= '</Files>' . PHP_EOL; |
| 363 |
$rules .= PHP_EOL; |
| 364 |
$rules .= '## WP Defender - End ##'; |
| 365 |
|
| 366 |
if ( version_compare( $this->get_version(), '2.4', '<' ) ) { |
| 367 |
$rules = '## WP Defender - Prevent information disclosure ##' . PHP_EOL; |
| 368 |
$rules .= PHP_EOL; |
| 369 |
$rules .= '<FilesMatch "(?i)\.(md|exe|sh|bak|inc|pot|po|mo|log|sql)$">' . PHP_EOL; |
| 370 |
$rules .= 'Order allow,deny' . PHP_EOL; |
| 371 |
$rules .= 'Deny from all' . PHP_EOL; |
| 372 |
$rules .= '</FilesMatch>' . PHP_EOL; |
| 373 |
$rules .= PHP_EOL; |
| 374 |
$rules .= '<Files robots.txt>' . PHP_EOL; |
| 375 |
$rules .= 'Allow from all' . PHP_EOL; |
| 376 |
$rules .= '</Files>' . PHP_EOL; |
| 377 |
$rules .= PHP_EOL; |
| 378 |
$rules .= '<Files ads.txt>' . PHP_EOL; |
| 379 |
$rules .= 'Allow from all' . PHP_EOL; |
| 380 |
$rules .= '</Files>' . PHP_EOL; |
| 381 |
$rules .= PHP_EOL; |
| 382 |
$rules .= '## WP Defender - End ##'; |
| 383 |
} |
| 384 |
} |
| 385 |
|
| 386 |
return $rules; |
| 387 |
} |
| 388 |
|
| 389 |
/** |
| 390 |
* Determine the Apache version. |
| 391 |
* Most web servers have apache_get_version disabled, so we just get a simple curl of the headers. |
| 392 |
* |
| 393 |
* @return string |
| 394 |
*/ |
| 395 |
public function get_version() { |
| 396 |
if ( ! function_exists( 'apache_get_version' ) ) { |
| 397 |
// The default support is 2.2. |
| 398 |
$version = '2.2'; |
| 399 |
$url = home_url(); |
| 400 |
$apache_version = get_site_transient( self::CACHE_APACHE_VERSION ); |
| 401 |
|
| 402 |
if ( ! is_array( $apache_version ) ) { |
| 403 |
$apache_version = array(); |
| 404 |
} |
| 405 |
|
| 406 |
if ( isset( $apache_version[ $url ] ) && is_string( $apache_version[ $url ] ) && '' !== $apache_version[ $url ] ) { |
| 407 |
return strtolower( $apache_version[ $url ] ); |
| 408 |
} |
| 409 |
// The default support is 2.2. |
| 410 |
$apache_version[ $url ] = $version; |
| 411 |
|
| 412 |
$server = defender_get_data_from_request( 'SERVER_SOFTWARE', 's' ); |
| 413 |
if ( isset( $server ) ) { |
| 414 |
$server = explode( ' ', $server ); |
| 415 |
if ( is_array( $server ) && count( $server ) > 1 ) { |
| 416 |
$server = $server[0]; |
| 417 |
$server = explode( '/', $server ); |
| 418 |
if ( is_array( $server ) && count( $server ) > 1 ) { |
| 419 |
$version = $server[1]; |
| 420 |
$apache_version[ $url ] = $version; |
| 421 |
} |
| 422 |
} |
| 423 |
} |
| 424 |
|
| 425 |
set_site_transient( self::CACHE_APACHE_VERSION, $apache_version, 3600 ); |
| 426 |
} else { |
| 427 |
$version = apache_get_version(); |
| 428 |
$version = explode( '/', $version ); |
| 429 |
$version = isset( $version[1] ) && is_string( $version[1] ) && '' !== $version[1] ? $version[1] : $version[0]; |
| 430 |
} |
| 431 |
|
| 432 |
return $version; |
| 433 |
} |
| 434 |
|
| 435 |
/** |
| 436 |
* Protect content directory. |
| 437 |
* |
| 438 |
* @return void|WP_Error |
| 439 |
*/ |
| 440 |
public function protect_content_directory() { |
| 441 |
global $wp_filesystem; |
| 442 |
// Initialize the WP filesystem, no more using 'file-put-contents' function. |
| 443 |
if ( ! $wp_filesystem instanceof WP_Filesystem_Base ) { |
| 444 |
require_once ABSPATH . '/wp-admin/includes/file.php'; |
| 445 |
WP_Filesystem(); |
| 446 |
} |
| 447 |
$ht_access_path = $this->contentdir_path; |
| 448 |
|
| 449 |
if ( ! is_string( $ht_access_path ) || '' === $ht_access_path ) { |
| 450 |
$ht_access_path = WP_CONTENT_DIR . '/.htaccess'; |
| 451 |
} |
| 452 |
// Create a htaccess-file if it doesn't exist. |
| 453 |
if ( ! is_file( $ht_access_path ) |
| 454 |
&& false === file_put_contents( $ht_access_path, '', LOCK_EX ) // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 455 |
) { |
| 456 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 457 |
} |
| 458 |
// If the htaccess-file is existed. |
| 459 |
if ( ! $wp_filesystem->is_writable( $ht_access_path ) ) { |
| 460 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 461 |
} |
| 462 |
|
| 463 |
$exists_rules = $this->cleanup_old_rules( $wp_filesystem->get_contents( $ht_access_path ) ); |
| 464 |
$rule = array( |
| 465 |
'## WP Defender - Protect PHP Executed ##', |
| 466 |
'<Files *.php>', |
| 467 |
$this->generate_htaccess_rule( false ), |
| 468 |
'</Files>', |
| 469 |
); |
| 470 |
|
| 471 |
$rule[] = '## WP Defender - End ##'; |
| 472 |
file_put_contents( $ht_access_path, $exists_rules . implode( PHP_EOL, $rule ), LOCK_EX ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 473 |
} |
| 474 |
|
| 475 |
/** |
| 476 |
* Protect includes directory. |
| 477 |
* |
| 478 |
* @return void|WP_Error |
| 479 |
*/ |
| 480 |
public function protect_includes_directory() { |
| 481 |
global $wp_filesystem; |
| 482 |
// Initialize the WP filesystem, no more using 'file-put-contents' function. |
| 483 |
if ( ! $wp_filesystem instanceof WP_Filesystem_Base ) { |
| 484 |
require_once ABSPATH . '/wp-admin/includes/file.php'; |
| 485 |
WP_Filesystem(); |
| 486 |
} |
| 487 |
$ht_access_path = $this->includedir_path; |
| 488 |
|
| 489 |
if ( ! is_string( $ht_access_path ) || '' === $ht_access_path ) { |
| 490 |
$ht_access_path = ABSPATH . WPINC . '/.htaccess'; |
| 491 |
} |
| 492 |
// Create a htaccess-file if it doesn't exist. |
| 493 |
if ( ! is_file( $ht_access_path ) |
| 494 |
&& false === file_put_contents( $ht_access_path, '', LOCK_EX ) // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 495 |
) { |
| 496 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 497 |
} |
| 498 |
// If the htaccess-file is existed. |
| 499 |
if ( ! $wp_filesystem->is_writable( $ht_access_path ) ) { |
| 500 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 501 |
} |
| 502 |
|
| 503 |
$exists_rules = $this->cleanup_old_rules( $wp_filesystem->get_contents( $ht_access_path ) ); |
| 504 |
|
| 505 |
$rule = array( |
| 506 |
'## WP Defender - Protect PHP Executed ##', |
| 507 |
'<Files *.php>', |
| 508 |
$this->generate_htaccess_rule( false ), |
| 509 |
'</Files>', |
| 510 |
'<Files wp-tinymce.php>', |
| 511 |
$this->generate_htaccess_rule( true ), |
| 512 |
'</Files>', |
| 513 |
'<Files ms-files.php>', |
| 514 |
$this->generate_htaccess_rule( true ), |
| 515 |
'</Files>', |
| 516 |
'## WP Defender - End ##', |
| 517 |
); |
| 518 |
|
| 519 |
file_put_contents( $ht_access_path, $exists_rules . implode( PHP_EOL, $rule ), LOCK_EX ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 520 |
} |
| 521 |
|
| 522 |
/** |
| 523 |
* Generates the correct Apache rules for allow/deny based on the server version. |
| 524 |
* |
| 525 |
* @param bool $allow Specifies whether to generate allow or deny rules. |
| 526 |
* |
| 527 |
* @return string Returns the generated Apache rules as a string. |
| 528 |
*/ |
| 529 |
protected function generate_htaccess_rule( $allow = true ) { |
| 530 |
if ( version_compare( $this->get_version(), 2.4, '>=' ) ) { |
| 531 |
if ( $allow ) { |
| 532 |
return 'Require all granted'; |
| 533 |
} else { |
| 534 |
return 'Require all denied'; |
| 535 |
} |
| 536 |
} elseif ( $allow ) { |
| 537 |
return 'Allow from all'; |
| 538 |
} else { |
| 539 |
return 'Order allow,deny' . PHP_EOL . |
| 540 |
'Deny from all'; |
| 541 |
} |
| 542 |
} |
| 543 |
|
| 544 |
/** |
| 545 |
* Protect uploads directory. |
| 546 |
* This only when user provide a custom uploads. |
| 547 |
* |
| 548 |
* @return void|WP_Error |
| 549 |
*/ |
| 550 |
public function protect_uploads_directory() { |
| 551 |
$path = $this->get_custom_upload_dir(); |
| 552 |
if ( '' !== $path ) { |
| 553 |
$this->contentdir_path = $path; |
| 554 |
|
| 555 |
return $this->protect_content_directory(); |
| 556 |
} |
| 557 |
} |
| 558 |
|
| 559 |
/** |
| 560 |
* Unprotect content directory. |
| 561 |
* |
| 562 |
* @return void|WP_Error |
| 563 |
*/ |
| 564 |
public function unprotect_content_directory() { |
| 565 |
global $wp_filesystem; |
| 566 |
// Initialize the WP filesystem, no more using 'file-put-contents' function. |
| 567 |
if ( ! $wp_filesystem instanceof WP_Filesystem_Base ) { |
| 568 |
require_once ABSPATH . '/wp-admin/includes/file.php'; |
| 569 |
WP_Filesystem(); |
| 570 |
} |
| 571 |
$ht_access_path = $this->contentdir_path; |
| 572 |
|
| 573 |
if ( ! is_string( $ht_access_path ) || '' === $ht_access_path ) { |
| 574 |
$ht_access_path = WP_CONTENT_DIR . '/.htaccess'; |
| 575 |
} |
| 576 |
// Quick exit if the file does not exist. |
| 577 |
if ( ! is_file( $ht_access_path ) ) { |
| 578 |
return; |
| 579 |
} |
| 580 |
// If the htaccess-file is existed. |
| 581 |
if ( ! $wp_filesystem->is_writable( $ht_access_path ) ) { |
| 582 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 583 |
} |
| 584 |
|
| 585 |
$ht_config = $this->cleanup_old_rules( $wp_filesystem->get_contents( $ht_access_path ) ); |
| 586 |
$ht_config = trim( $ht_config ); |
| 587 |
|
| 588 |
file_put_contents( $ht_access_path, trim( $ht_config ), LOCK_EX ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 589 |
} |
| 590 |
|
| 591 |
/** |
| 592 |
* Unprotect includes-directory. |
| 593 |
* Todo: can be combined with unprotect_content_directory()? |
| 594 |
* |
| 595 |
* @return void|WP_Error |
| 596 |
*/ |
| 597 |
public function unprotect_includes_directory() { |
| 598 |
global $wp_filesystem; |
| 599 |
// Initialize the WP filesystem, no more using 'file-put-contents' function. |
| 600 |
if ( ! $wp_filesystem instanceof WP_Filesystem_Base ) { |
| 601 |
require_once ABSPATH . '/wp-admin/includes/file.php'; |
| 602 |
WP_Filesystem(); |
| 603 |
} |
| 604 |
$ht_access_path = $this->includedir_path; |
| 605 |
|
| 606 |
if ( ! is_string( $ht_access_path ) || '' === $ht_access_path ) { |
| 607 |
$ht_access_path = ABSPATH . WPINC . '/.htaccess'; |
| 608 |
} |
| 609 |
// Quick exit if the file does not exist. |
| 610 |
if ( ! is_file( $ht_access_path ) ) { |
| 611 |
return; |
| 612 |
} |
| 613 |
// If the htaccess-file is existed. |
| 614 |
if ( ! $wp_filesystem->is_writable( $ht_access_path ) ) { |
| 615 |
return $this->get_error_by_file_path( $ht_access_path ); |
| 616 |
} |
| 617 |
|
| 618 |
$ht_config = $this->cleanup_old_rules( $wp_filesystem->get_contents( $ht_access_path ) ); |
| 619 |
file_put_contents( $ht_access_path, trim( $ht_config ), LOCK_EX ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents |
| 620 |
} |
| 621 |
|
| 622 |
/** |
| 623 |
* Unprotect upload directory. |
| 624 |
* |
| 625 |
* @return void|WP_Error |
| 626 |
*/ |
| 627 |
public function unprotect_upload_directory() { |
| 628 |
$path = $this->get_custom_upload_dir(); |
| 629 |
if ( '' !== $path ) { |
| 630 |
$this->contentdir_path = $path; |
| 631 |
|
| 632 |
return $this->unprotect_content_directory(); |
| 633 |
} |
| 634 |
} |
| 635 |
|
| 636 |
/** |
| 637 |
* Set the exclude file paths. |
| 638 |
* |
| 639 |
* @param array $config to set. |
| 640 |
*/ |
| 641 |
public function set_new_htaccess_config( $config = array() ) { |
| 642 |
if ( is_array( $config ) && array() !== $config ) { |
| 643 |
$this->new_htaccess_config = $config; |
| 644 |
} |
| 645 |
} |
| 646 |
|
| 647 |
/** |
| 648 |
* Get the new HT config. |
| 649 |
* |
| 650 |
* @return array - $new_htaccess_config |
| 651 |
*/ |
| 652 |
public function get_new_htaccess_config() { |
| 653 |
return $this->new_htaccess_config; |
| 654 |
} |
| 655 |
|
| 656 |
/** |
| 657 |
* Cleans up old rules from the existing .htaccess configuration. |
| 658 |
* |
| 659 |
* @param string $exists_rules The existing .htaccess rules. |
| 660 |
* |
| 661 |
* @return string Returns the cleaned-up .htaccess rules. |
| 662 |
*/ |
| 663 |
public function cleanup_old_rules( $exists_rules ) { |
| 664 |
$pattern = '/(## WP Defender - Protect PHP Executed ##((.|\n)*)## WP Defender - End ##)/'; |
| 665 |
|
| 666 |
if ( preg_match( $pattern, $exists_rules ) ) { |
| 667 |
$exists_rules = preg_replace( $pattern, '', $exists_rules ); |
| 668 |
} |
| 669 |
|
| 670 |
$exists_rules = trim( $exists_rules ); |
| 671 |
|
| 672 |
if ( strlen( $exists_rules ) ) { |
| 673 |
$exists_rules .= PHP_EOL; |
| 674 |
} |
| 675 |
|
| 676 |
return $exists_rules; |
| 677 |
} |
| 678 |
|
| 679 |
/** |
| 680 |
* Get custom upload dir path. |
| 681 |
* |
| 682 |
* @return string |
| 683 |
*/ |
| 684 |
private function get_custom_upload_dir(): string { |
| 685 |
if ( defined( 'UPLOADS' ) ) { |
| 686 |
$upload_dir = wp_upload_dir( null, false ); |
| 687 |
return $upload_dir['basedir'] . '/.htaccess'; |
| 688 |
} |
| 689 |
|
| 690 |
return ''; |
| 691 |
} |
| 692 |
} |
| 693 |
|
