config
4 weeks ago
integrations
4 weeks ago
vendor
4 weeks ago
class-le-restapi.php
4 weeks ago
class-letsencrypt-handler.php
4 weeks ago
composer.json
4 weeks ago
cron.php
4 weeks ago
download.php
4 weeks ago
functions.php
4 weeks ago
index.php
4 weeks ago
letsencrypt.php
4 weeks ago
functions.php
591 lines
| 1 | <?php defined( 'ABSPATH' ) or die(); |
| 2 | |
| 3 | /** |
| 4 | * Create a generic read more text with link for help texts. |
| 5 | * |
| 6 | * @param string $url |
| 7 | * @param bool $add_space |
| 8 | * |
| 9 | * @return string |
| 10 | */ |
| 11 | function rsssl_le_read_more( $url, $add_character = ' ' ) { |
| 12 | $html = sprintf( __( "For more information, please read this %sarticle%s", |
| 13 | 'really-simple-ssl' ), '<a target="_blank" rel="noopener noreferrer" href="' . $url . '">', |
| 14 | '</a>' ); |
| 15 | if ( is_string($add_character) ) { |
| 16 | $html = $add_character . $html; |
| 17 | } |
| 18 | |
| 19 | return $html; |
| 20 | } |
| 21 | |
| 22 | |
| 23 | |
| 24 | /** |
| 25 | * Check if we need to use DNS verification |
| 26 | * @return bool |
| 27 | */ |
| 28 | function rsssl_dns_verification_required(){ |
| 29 | |
| 30 | if ( get_option('rsssl_manually_changed_verification_type') ) { |
| 31 | return rsssl_get_option( 'verification_type' ) === 'dns'; |
| 32 | } |
| 33 | /** |
| 34 | * If our current hosting provider does not allow or require local SSL certificate generation, |
| 35 | * We do not need to DNS verification either. |
| 36 | */ |
| 37 | |
| 38 | if ( !rsssl_do_local_lets_encrypt_generation() ) { |
| 39 | return false; |
| 40 | } |
| 41 | |
| 42 | if ( rsssl_get_option('verification_type')==='dns' ) { |
| 43 | return true; |
| 44 | } |
| 45 | |
| 46 | if ( rsssl_wildcard_certificate_required() ) { |
| 47 | //if the user hasn't manually forced the verification type to anything else, we set it to dns now. |
| 48 | //otherwise we get a difference between this requirement, and the actual verification type that could be 'dir' |
| 49 | if ( !get_option('rsssl_manually_changed_verification_type') && rsssl_get_option('verification_type')!=='dns' ) { |
| 50 | rsssl_update_option('verification_type', 'dns'); |
| 51 | } |
| 52 | return true; |
| 53 | } |
| 54 | return false; |
| 55 | } |
| 56 | |
| 57 | if ( !function_exists('rsssl_is_cpanel')) { |
| 58 | /** |
| 59 | * Check if we're on CPanel |
| 60 | * |
| 61 | * @return bool |
| 62 | */ |
| 63 | function rsssl_is_cpanel() { |
| 64 | $open_basedir = ini_get("open_basedir"); |
| 65 | if ( empty($open_basedir) && file_exists( "/usr/local/cpanel" ) ) { |
| 66 | return true; |
| 67 | } else if (rsssl_check_port(2082)) { |
| 68 | return true; |
| 69 | } else { |
| 70 | return false; |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | if (!function_exists('rsssl_cpanel_api_supported')) { |
| 76 | /** |
| 77 | * Check if CPanel supports the api |
| 78 | * |
| 79 | * @return bool |
| 80 | */ |
| 81 | function rsssl_cpanel_api_supported() { |
| 82 | if ( rsssl_is_cpanel() ) { |
| 83 | return true; |
| 84 | } |
| 85 | |
| 86 | return !rsssl_openbasedir_restriction("/usr/local/cpanel/php/cpanel.php") && file_exists( "/usr/local/cpanel/php/cpanel.php" ); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | if (!function_exists('rsssl_activated_by_default')) { |
| 91 | /** |
| 92 | * Check if the host has ssl, activated by default |
| 93 | * |
| 94 | * @return bool |
| 95 | */ |
| 96 | function rsssl_activated_by_default() { |
| 97 | $activated_by_default = false; |
| 98 | $activated_by_default_hosts = RSSSL_LE()->hosts->activated_by_default; |
| 99 | $current_host = rsssl_get_other_host(); |
| 100 | if ( in_array( $current_host, $activated_by_default_hosts ) ) { |
| 101 | $activated_by_default = true; |
| 102 | } |
| 103 | return $activated_by_default; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | if ( !function_exists('rsssl_openbasedir_restriction')) { |
| 108 | function rsssl_openbasedir_restriction( string $path): bool { |
| 109 | |
| 110 | // Default error handler is required |
| 111 | set_error_handler(null); |
| 112 | |
| 113 | // Clean last error info. |
| 114 | error_clear_last(); |
| 115 | |
| 116 | // Testing... |
| 117 | @file_exists($path); |
| 118 | |
| 119 | // Restore previous error handler |
| 120 | restore_error_handler(); |
| 121 | |
| 122 | // Return `true` if error has occurred |
| 123 | return ($error = error_get_last()) && $error['message'] !== '__clean_error_info'; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | if (!function_exists('rsssl_activation_required')) { |
| 128 | /** |
| 129 | * Check if the host has ssl, activation required |
| 130 | * |
| 131 | * @return bool |
| 132 | */ |
| 133 | function rsssl_activation_required() { |
| 134 | $dashboard_activation_required = false; |
| 135 | $dashboard_activation_required_hosts = RSSSL_LE()->hosts->dashboard_activation_required; |
| 136 | $current_host = rsssl_get_other_host(); |
| 137 | if ( in_array( $current_host, $dashboard_activation_required_hosts ) ) { |
| 138 | $dashboard_activation_required = true; |
| 139 | } |
| 140 | return $dashboard_activation_required; |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | if (!function_exists('rsssl_paid_only')) { |
| 145 | /** |
| 146 | * Check if the host has ssl, paid only |
| 147 | * |
| 148 | * @return bool |
| 149 | */ |
| 150 | function rsssl_paid_only() { |
| 151 | $paid_only = false; |
| 152 | $paid_only_hosts = RSSSL_LE()->hosts->paid_only; |
| 153 | $current_host = rsssl_get_other_host(); |
| 154 | if ( in_array( $current_host, $paid_only_hosts ) ) { |
| 155 | $paid_only = true; |
| 156 | } |
| 157 | return $paid_only; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | if ( !function_exists('rsssl_is_plesk')) { |
| 162 | /** |
| 163 | * https://stackoverflow.com/questions/26927248/how-to-detect-servers-control-panel-type-with-php |
| 164 | * @return false |
| 165 | */ |
| 166 | function rsssl_is_plesk() { |
| 167 | |
| 168 | if ( get_option('rsssl_hosting_dashboard')==='plesk' ){ |
| 169 | return true; |
| 170 | } |
| 171 | |
| 172 | //cpanel takes precedence, as it's more precise |
| 173 | if ( rsssl_is_cpanel() ) { |
| 174 | return false; |
| 175 | } |
| 176 | |
| 177 | $open_basedir = ini_get("open_basedir"); |
| 178 | if ( empty($open_basedir) && is_dir( '/usr/local/psa' ) ) { |
| 179 | return true; |
| 180 | } else if (rsssl_check_port(8443)) { |
| 181 | return true; |
| 182 | } else { |
| 183 | return false; |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | if ( !function_exists('rsssl_is_directadmin')) { |
| 189 | /** |
| 190 | * https://stackoverflow.com/questions/26927248/how-to-detect-servers-control-panel-type-with-php |
| 191 | * @return bool |
| 192 | */ |
| 193 | function rsssl_is_directadmin() { |
| 194 | if ( get_option('rsssl_hosting_dashboard')==='directadmin' ){ |
| 195 | return true; |
| 196 | } |
| 197 | |
| 198 | //cpanel takes precedence, as it's more precise |
| 199 | if ( rsssl_is_cpanel() ) { |
| 200 | return false; |
| 201 | } |
| 202 | |
| 203 | if ( rsssl_is_plesk() ) { |
| 204 | return false; |
| 205 | } |
| 206 | |
| 207 | if (rsssl_check_port(2222)) { |
| 208 | return true; |
| 209 | } else { |
| 210 | return false; |
| 211 | } |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * @param int $port |
| 217 | * |
| 218 | * @return bool |
| 219 | */ |
| 220 | |
| 221 | function rsssl_check_port( $port) |
| 222 | { |
| 223 | $port_check_status = get_option("rsssl_port_check_$port"); |
| 224 | if ( !function_exists('fsockopen') || $port_check_status === 'fail' ) { |
| 225 | return false; |
| 226 | } |
| 227 | |
| 228 | $ipAddress = gethostbyname('localhost'); |
| 229 | $link = @fsockopen( $ipAddress, $port, $errno, $error, 5 ); |
| 230 | |
| 231 | if ( $link ) { |
| 232 | update_option("rsssl_port_check_$port", 'success', false); |
| 233 | return true; |
| 234 | } |
| 235 | |
| 236 | update_option("rsssl_port_check_$port", 'fail', false); |
| 237 | return false; |
| 238 | } |
| 239 | |
| 240 | if ( !function_exists('rsssl_get_other_host') ) { |
| 241 | /** |
| 242 | * Get the selected hosting provider, if any. |
| 243 | * @return bool|string |
| 244 | */ |
| 245 | function rsssl_get_other_host() { |
| 246 | return rsssl_get_option( 'other_host_type', false ); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | /** |
| 251 | * Add some information to the javascript |
| 252 | * @param array $args |
| 253 | * |
| 254 | * @return array |
| 255 | */ |
| 256 | function rsssl_le_localize_script($args){ |
| 257 | $hosting_dashboard = 'other'; |
| 258 | if ( rsssl_is_cpanel() ) $hosting_dashboard = 'cpanel'; |
| 259 | if ( rsssl_is_directadmin() ) $hosting_dashboard = 'directadmin'; |
| 260 | if ( rsssl_is_plesk() ) $hosting_dashboard = 'plesk'; |
| 261 | $args['hosting_dashboard'] = $hosting_dashboard; |
| 262 | return $args; |
| 263 | } |
| 264 | add_filter("rsssl_localize_script", 'rsssl_le_localize_script', 10, 3); |
| 265 | |
| 266 | |
| 267 | if ( !function_exists('rsssl_progress_add')) { |
| 268 | /** |
| 269 | * @param string $item |
| 270 | */ |
| 271 | function rsssl_progress_add( $item ) { |
| 272 | $progress = get_option( "rsssl_le_installation_progress", array() ); |
| 273 | if ( ! in_array( $item, $progress ) ) { |
| 274 | $progress[] = $item; |
| 275 | update_option( "rsssl_le_installation_progress", $progress, false ); |
| 276 | } |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | if ( !function_exists('rsssl_uses_known_dashboard')) { |
| 281 | /** |
| 282 | * Check if website uses any of the known dashboards. |
| 283 | */ |
| 284 | function rsssl_uses_known_dashboard( ) { |
| 285 | if ( rsssl_is_cpanel() || rsssl_is_plesk() || rsssl_is_directadmin() ) { |
| 286 | return true; |
| 287 | } else { |
| 288 | return false; |
| 289 | } |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | if ( !function_exists('rsssl_is_ready_for')) { |
| 294 | /** |
| 295 | * @param string $item |
| 296 | */ |
| 297 | function rsssl_is_ready_for( $item ) { |
| 298 | if ( !rsssl_do_local_lets_encrypt_generation() ) { |
| 299 | rsssl_progress_add('directories'); |
| 300 | rsssl_progress_add('generation'); |
| 301 | rsssl_progress_add('dns-verification'); |
| 302 | } |
| 303 | |
| 304 | if ( !rsssl_dns_verification_required() ) { |
| 305 | rsssl_progress_add('dns-verification'); |
| 306 | } |
| 307 | |
| 308 | if (empty(rsssl_get_not_completed_steps($item))){ |
| 309 | return true; |
| 310 | } else{ |
| 311 | return false; |
| 312 | } |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | function rsssl_get_not_completed_steps($item){ |
| 317 | $sequence = array_column( rsssl_le_steps(), 'id'); |
| 318 | //drop first |
| 319 | array_shift($sequence); |
| 320 | //drop all statuses after $item. We only need to know if all previous ones have been completed |
| 321 | $index = array_search($item, $sequence); |
| 322 | $sequence = array_slice($sequence, 0, $index, true); |
| 323 | $not_completed = array(); |
| 324 | $finished = get_option("rsssl_le_installation_progress", array()); |
| 325 | foreach ($sequence as $status ) { |
| 326 | if (!in_array($status, $finished)) { |
| 327 | $not_completed[] = $status; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | return $not_completed; |
| 332 | } |
| 333 | |
| 334 | if ( !function_exists('rsssl_progress_remove')) { |
| 335 | /** |
| 336 | * @param string $item |
| 337 | */ |
| 338 | function rsssl_progress_remove( $item ) { |
| 339 | $progress = get_option( "rsssl_le_installation_progress", array() ); |
| 340 | if ( in_array( $item, $progress ) ) { |
| 341 | $index = array_search( $item, $progress ); |
| 342 | unset( $progress[ $index ] ); |
| 343 | update_option( "rsssl_le_installation_progress", $progress, false ); |
| 344 | } |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | if ( !function_exists('rsssl_do_local_lets_encrypt_generation')) { |
| 349 | /** |
| 350 | * Check if the setup requires local certificate generation |
| 351 | * @return bool |
| 352 | */ |
| 353 | function rsssl_do_local_lets_encrypt_generation() { |
| 354 | $not_local_cert_hosts = RSSSL_LE()->hosts->not_local_certificate_hosts; |
| 355 | $current_host = rsssl_get_other_host(); |
| 356 | if ( in_array( $current_host, $not_local_cert_hosts ) ) { |
| 357 | return false; |
| 358 | } |
| 359 | return true; |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | if ( !function_exists('rsssl_get_manual_instructions_text')) { |
| 364 | /** |
| 365 | * Manual installation instructions |
| 366 | * |
| 367 | * @param string $url |
| 368 | * |
| 369 | * @return string |
| 370 | */ |
| 371 | function rsssl_get_manual_instructions_text( $url ) { |
| 372 | $default_url = rsssl_link('install-ssl-certificate'); |
| 373 | $dashboard_activation_required = rsssl_activation_required(); |
| 374 | $activated_by_default = rsssl_activated_by_default(); |
| 375 | $paid_only = rsssl_paid_only(); |
| 376 | $button_activate = '<br><a href="' . $default_url . '" target="_blank" rel="noopener noreferrer" class="button button-primary">' . __( "Instructions", "really-simple-ssl" ) . '</a> '; |
| 377 | $button_complete = '<br><a href="' . $default_url . '" target="_blank" rel="noopener noreferrer" class="button button-primary">' . __( "Instructions", "really-simple-ssl" ) . '</a> '; |
| 378 | |
| 379 | if ( $url === $default_url ) { |
| 380 | $complete_manually = sprintf( __( "Please complete manually in your hosting dashboard.", "really-simple-ssl" ), '<a target="_blank" href="' . $url . '">', '</a>' ); |
| 381 | $activate_manually = sprintf( __( "Please activate it manually on your hosting dashboard.", "really-simple-ssl" ), '<a target="_blank" href="' . $url . '">', '</a>' ); |
| 382 | } else { |
| 383 | $complete_manually = sprintf( __( "Please complete %smanually%s", "really-simple-ssl" ), '<a target="_blank" rel="noopener noreferrer" href="' . $url . '">', '</a>' ); |
| 384 | $activate_manually = sprintf( __( "Please activate it on your dashboard %smanually%s", "really-simple-ssl" ), '<a target="_blank" rel="noopener noreferrer" href="' . $url . '">', '</a>' ); |
| 385 | $button_activate .= '<a href="' . $url . '" target="_blank" rel="noopener noreferrer" class="button button-primary">' . __( "Go to activation", "really-simple-ssl" ) . '</a>'; |
| 386 | $button_complete .= '<a href="' . $url . '" target="_blank" rel="noopener noreferrer" class="button button-primary">' . __( "Go to installation", "really-simple-ssl" ) . '</a>'; |
| 387 | } |
| 388 | |
| 389 | if ( $activated_by_default ) { |
| 390 | $msg |
| 391 | = 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.", |
| 392 | "really-simple-ssl" ), '<a target="_blank "rel="noopener noreferrer" href="' . $url . '">', '</a>' ) . ' ' . |
| 393 | __( "After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl" ); |
| 394 | } else if ( $dashboard_activation_required ) { |
| 395 | $msg = __( "You already have free SSL on your hosting environment.", "really-simple-ssl" ) . ' ' . |
| 396 | $activate_manually . ' ' . |
| 397 | __( "After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl" ) |
| 398 | . $button_activate; |
| 399 | } else if ( $paid_only ) { |
| 400 | $msg |
| 401 | = 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.", |
| 402 | "really-simple-ssl" ), '<a target="_blank" rel="noopener noreferrer" href='.rsssl_link("hosting-providers-with-free-ssl").'>', '</a>' ); |
| 403 | } else { |
| 404 | $msg = __( "Your hosting environment does not allow automatic SSL installation.", "really-simple-ssl" ) . ' ' . |
| 405 | $complete_manually . ' ' . |
| 406 | sprintf( __( "You can follow these %sinstructions%s.", "really-simple-ssl" ), '<a target="_blank" rel="noopener noreferrer" href="' . $default_url . '">', '</a>' ) . ' ' . |
| 407 | __( "After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl" ) |
| 408 | . $button_complete; |
| 409 | } |
| 410 | |
| 411 | return $msg; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | register_activation_hook( __FILE__, 'rsssl_set_activation_time_stamp' ); |
| 416 | if ( ! function_exists( 'rsssl_set_activation_time_stamp' ) ) { |
| 417 | function rsssl_set_activation_time_stamp( $networkwide ) { |
| 418 | update_option( 'rsssl_activation_time', time(), false ); |
| 419 | } |
| 420 | } |
| 421 | |
| 422 | if ( ! function_exists( 'rsssl_array_filter_multidimensional' ) ) { |
| 423 | function rsssl_array_filter_multidimensional( |
| 424 | $array, $filter_key, $filter_value |
| 425 | ) { |
| 426 | $new = array_filter( $array, |
| 427 | function ( $var ) use ( $filter_value, $filter_key ) { |
| 428 | return isset( $var[ $filter_key ] ) ? ( $var[ $filter_key ] |
| 429 | == $filter_value ) |
| 430 | : false; |
| 431 | } ); |
| 432 | |
| 433 | return $new; |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | if ( !function_exists('rsssl_is_subdomain') ) { |
| 438 | /** |
| 439 | * Check if we're on a subdomain. |
| 440 | * If this is a www domain, we return false |
| 441 | */ |
| 442 | function rsssl_is_subdomain(){ |
| 443 | $domain = rsssl_get_domain(); |
| 444 | if ( strpos($domain, 'www.') !== false ) return false; |
| 445 | $root = rsssl_get_root_domain($domain); |
| 446 | if ($root === $domain ) { |
| 447 | return false; |
| 448 | } else { |
| 449 | return true; |
| 450 | } |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | if ( !function_exists('rsssl_get_root_domain') ) { |
| 455 | /** |
| 456 | * Get root domain of a domain |
| 457 | */ |
| 458 | function rsssl_get_root_domain($domain){ |
| 459 | $sub = strtolower(trim($domain)); |
| 460 | $count = substr_count($sub, '.'); |
| 461 | if($count === 2){ |
| 462 | if(strlen(explode('.', $sub)[1]) > 3) $sub = explode('.', $sub, 2)[1]; |
| 463 | } else if($count > 2){ |
| 464 | $sub = rsssl_get_root_domain(explode('.', $sub, 2)[1]); |
| 465 | } |
| 466 | return $sub; |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | if ( ! function_exists( 'rsssl_get_domain' ) ) { |
| 471 | /** |
| 472 | * Get current domain |
| 473 | * |
| 474 | * @return string |
| 475 | */ |
| 476 | function rsssl_get_domain() { |
| 477 | //Get current domain |
| 478 | $domain = site_url(); |
| 479 | //Parse to strip off any /subfolder/ |
| 480 | $parse = parse_url($domain); |
| 481 | $domain = $parse['host']; |
| 482 | $domain = str_replace(array('http://', 'https://' ), '', $domain); |
| 483 | return $domain; |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | function rsssl_insert_after_key($array, $key, $items){ |
| 488 | $keys = array_keys($array); |
| 489 | $key = array_search($key, $keys); |
| 490 | $array = array_slice($array, 0, $key, true) + |
| 491 | $items + |
| 492 | array_slice($array, 3, count($array)-3, true); |
| 493 | |
| 494 | return $array; |
| 495 | } |
| 496 | |
| 497 | if ( !function_exists('rsssl_wildcard_certificate_required') ) { |
| 498 | /** |
| 499 | * Check if the site requires a wildcard |
| 500 | * |
| 501 | * @return bool |
| 502 | */ |
| 503 | function rsssl_wildcard_certificate_required() { |
| 504 | //if DNS verification, create wildcard. |
| 505 | if ( rsssl_get_option('verification_type') === 'dns' ) { |
| 506 | return true; |
| 507 | } |
| 508 | |
| 509 | if ( ! is_multisite() ) { |
| 510 | return false; |
| 511 | } else { |
| 512 | if ( defined( 'SUBDOMAIN_INSTALL' ) && SUBDOMAIN_INSTALL ) { |
| 513 | return true; |
| 514 | } else { |
| 515 | return false; |
| 516 | } |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | if ( !function_exists('rsssl_can_install_shell_addon') ) { |
| 522 | |
| 523 | /** |
| 524 | * check if this environment has shell capability |
| 525 | * |
| 526 | * @return bool |
| 527 | */ |
| 528 | |
| 529 | function rsssl_can_install_shell_addon(){ |
| 530 | //if not cpanel |
| 531 | if ( !rsssl_is_cpanel() ) { |
| 532 | return false; |
| 533 | } |
| 534 | |
| 535 | //if already installed |
| 536 | if (defined('rsssl_shell_path')){ |
| 537 | return false; |
| 538 | } |
| 539 | |
| 540 | if ( function_exists('shell_exec') || function_exists('system') || function_exists('passthru') || function_exists('exec') ) { |
| 541 | return true; |
| 542 | } else { |
| 543 | return false; |
| 544 | } |
| 545 | } |
| 546 | } |
| 547 | |
| 548 | if ( !function_exists('rsssl_generated_by_rsssl')) { |
| 549 | /** |
| 550 | * If a bundle generation is completed, this value is set to true. |
| 551 | * |
| 552 | * @return bool |
| 553 | */ |
| 554 | function rsssl_generated_by_rsssl() { |
| 555 | return get_option( 'rsssl_le_certificate_generated_by_rsssl' ); |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | /** |
| 560 | * Checks if a CAA DNS record is preventing the use of Let's Encrypt for the current site. |
| 561 | * |
| 562 | * @return bool Returns true if a CAA DNS record exists and does not allow Let's Encrypt, false otherwise. |
| 563 | */ |
| 564 | if ( ! function_exists( 'rsssl_caa_record_prevents_le' ) ) { |
| 565 | function rsssl_caa_record_prevents_le(): bool { |
| 566 | // Get DNS CAA records for site_url() |
| 567 | $caa_records = dns_get_record( parse_url( site_url(), PHP_URL_HOST ), DNS_CAA ); |
| 568 | |
| 569 | // If no CAA records found, return false |
| 570 | if ( empty( $caa_records ) ) { |
| 571 | return false; |
| 572 | } |
| 573 | |
| 574 | // Check if the CAA record contains letsencrypt.org |
| 575 | $caa_contains_le = false; |
| 576 | foreach ( $caa_records as $caa_record ) { |
| 577 | if ( strpos( $caa_record['value'], 'letsencrypt.org' ) !== false ) { |
| 578 | $caa_contains_le = true; |
| 579 | break; |
| 580 | } |
| 581 | } |
| 582 | |
| 583 | // If the CAA record is set, but does not contain letsencrypt.org, return true; |
| 584 | if ( ! $caa_contains_le ) { |
| 585 | return true; |
| 586 | } |
| 587 | |
| 588 | // CAA record contains Let's Encrypt, generation allowed |
| 589 | return false; |
| 590 | } |
| 591 | } |