| 1 |
<?php |
| 2 |
/** |
| 3 |
* Class LP_Request |
| 4 |
* |
| 5 |
* Process actions by request param |
| 6 |
* |
| 7 |
* @author ThimPress |
| 8 |
* @package LearnPress/Classes |
| 9 |
* @version 1.0 |
| 10 |
*/ |
| 11 |
|
| 12 |
if ( ! defined( 'ABSPATH' ) ) { |
| 13 |
exit; |
| 14 |
} |
| 15 |
|
| 16 |
/** |
| 17 |
* Class LP_Request |
| 18 |
*/ |
| 19 |
class LP_Request { |
| 20 |
|
| 21 |
/** |
| 22 |
* @var bool |
| 23 |
*/ |
| 24 |
public static $ajax_shutdown = true; |
| 25 |
|
| 26 |
/** |
| 27 |
* Constructor |
| 28 |
*/ |
| 29 |
public static function init() { |
| 30 |
|
| 31 |
self::$ajax_shutdown = learn_press_is_ajax(); |
| 32 |
|
| 33 |
if ( is_admin() ) { |
| 34 |
add_action( 'init', array( __CLASS__, 'process_request' ), 50 ); |
| 35 |
} else { |
| 36 |
add_action( 'template_include', array( __CLASS__, 'process_request' ), 50 ); |
| 37 |
} |
| 38 |
|
| 39 |
self::register( 'lp-ajax', array( __CLASS__, 'do_ajax' ) ); |
| 40 |
|
| 41 |
add_action( 'wp_loaded', array( 'LP_Forms_Handler', 'init' ), 10 ); |
| 42 |
} |
| 43 |
|
| 44 |
/** |
| 45 |
* Get value by key from $_REQUEST |
| 46 |
* |
| 47 |
* @param string $key |
| 48 |
* @param mixed $default |
| 49 |
* @param string $sanitize_type |
| 50 |
* @param string $method |
| 51 |
* |
| 52 |
* @return array|float|int|string |
| 53 |
*/ |
| 54 |
public static function get_param( string $key, $default = '', string $sanitize_type = 'text', string $method = '' ) { |
| 55 |
switch ( $method ) { |
| 56 |
case 'post': |
| 57 |
$values = $_POST ?? []; |
| 58 |
break; |
| 59 |
case 'get': |
| 60 |
$values = $_GET ?? []; |
| 61 |
break; |
| 62 |
default: |
| 63 |
$values = $_REQUEST ?? []; |
| 64 |
} |
| 65 |
|
| 66 |
return LP_Helper::sanitize_params_submitted( $values[ $key ] ?? $default, $sanitize_type ); |
| 67 |
} |
| 68 |
|
| 69 |
public static function get_header() { |
| 70 |
ob_start(); |
| 71 |
} |
| 72 |
|
| 73 |
/** |
| 74 |
* Process actions |
| 75 |
* |
| 76 |
* @param string $template |
| 77 |
* |
| 78 |
* @return string |
| 79 |
*/ |
| 80 |
public static function process_request( $template ) { |
| 81 |
if ( ! empty( $_REQUEST ) ) { |
| 82 |
foreach ( $_REQUEST as $key => $value ) { |
| 83 |
$key = LP_Helper::sanitize_params_submitted( $key ); |
| 84 |
$value = LP_Helper::sanitize_params_submitted( $value ); |
| 85 |
do_action( 'learn_press_request_handler_' . $key, $value, $key ); |
| 86 |
} |
| 87 |
} |
| 88 |
|
| 89 |
return $template; |
| 90 |
} |
| 91 |
|
| 92 |
/** |
| 93 |
* Register new request |
| 94 |
* |
| 95 |
* @param string|array $action |
| 96 |
* @param mixed $function |
| 97 |
* @param int $priority |
| 98 |
*/ |
| 99 |
public static function register( $action, $function = '', $priority = 5 ) { |
| 100 |
if ( is_array( $action ) ) { |
| 101 |
foreach ( $action as $item ) { |
| 102 |
$item = wp_parse_args( |
| 103 |
$item, |
| 104 |
array( |
| 105 |
'action' => '', |
| 106 |
'callback' => '', |
| 107 |
'priority' => 5, |
| 108 |
) |
| 109 |
); |
| 110 |
if ( ! $item['action'] || ! $item['callback'] ) { |
| 111 |
continue; |
| 112 |
} |
| 113 |
|
| 114 |
list( $action, $callback, $priority ) = array_values( $item ); |
| 115 |
add_action( 'learn_press_request_handler_' . $action, $callback, $priority, 2 ); |
| 116 |
} |
| 117 |
} else { |
| 118 |
add_action( 'learn_press_request_handler_' . $action, $function, $priority, 2 ); |
| 119 |
} |
| 120 |
} |
| 121 |
|
| 122 |
/** |
| 123 |
* Register ajax action. |
| 124 |
* Add ajax into queue by an action and then LP check if there is a request |
| 125 |
* with key lp-ajax=action-name then do the action "action-name". By default, |
| 126 |
* ajax action is called if user is logged. But, it can be call in case user |
| 127 |
* is not logged in if the action is passed with key :nopriv at the end. |
| 128 |
* |
| 129 |
* E.g: |
| 130 |
* + Only for user is logged in |
| 131 |
* LP_Request::register_ajax( 'action', 'function_to_call', 5 ) |
| 132 |
* |
| 133 |
* + For guest |
| 134 |
* LP_Request::register_ajax( 'action:nopriv', 'function_to_call', 5 ) |
| 135 |
* |
| 136 |
* @param string $action |
| 137 |
* @param mixed $function |
| 138 |
* @param int $priority |
| 139 |
*/ |
| 140 |
public static function register_ajax( $action, $function, $priority = 5 ) { |
| 141 |
if ( is_array( $action ) ) { |
| 142 |
foreach ( $action as $args ) { |
| 143 |
if ( ! empty( $args['action'] ) && ! empty( $args['callback'] ) ) { |
| 144 |
self::register_ajax( $args['action'], $args['callback'], ! empty( $args['priority'] ) ? $args['priority'] : 5 ); |
| 145 |
} |
| 146 |
} |
| 147 |
|
| 148 |
return; |
| 149 |
} |
| 150 |
$actions = self::parse_action( $action ); |
| 151 |
|
| 152 |
if ( isset( $actions['nonce'] ) ) { |
| 153 |
add_filter( 'learn-press/ajax/verify-none/' . $actions['action'], array( __CLASS__, 'verify_nonce' ) ); |
| 154 |
} |
| 155 |
|
| 156 |
add_action( 'learn-press/ajax/' . $actions['action'], $function, $priority ); |
| 157 |
|
| 158 |
/** |
| 159 |
* No requires logged in? |
| 160 |
*/ |
| 161 |
if ( isset( $actions['nopriv'] ) ) { |
| 162 |
add_action( 'learn-press/ajax/no-priv/' . $actions['action'], $function, $priority ); |
| 163 |
} |
| 164 |
} |
| 165 |
|
| 166 |
/** |
| 167 |
* Do ajax if there is a 'lp-ajax' in $_REQUEST |
| 168 |
* |
| 169 |
* @param string $action |
| 170 |
*/ |
| 171 |
public static function do_ajax( $action ) { |
| 172 |
|
| 173 |
if ( ! defined( 'LP_DOING_AJAX' ) ) { |
| 174 |
define( 'LP_DOING_AJAX', true ); |
| 175 |
} |
| 176 |
|
| 177 |
LP_Gateways::instance()->get_available_payment_gateways(); |
| 178 |
|
| 179 |
if ( has_filter( 'learn-press/ajax/verify-none/' . $action ) ) { |
| 180 |
if ( ! self::verify_nonce( $action ) ) { |
| 181 |
die( '0' ); |
| 182 |
} |
| 183 |
} |
| 184 |
|
| 185 |
if ( is_user_logged_in() ) { |
| 186 |
$has_action = has_action( 'learn-press/ajax/' . $action ); |
| 187 |
|
| 188 |
/** |
| 189 |
* @since 3.0.0 |
| 190 |
*/ |
| 191 |
do_action( 'learn-press/ajax/' . $action ); |
| 192 |
} else { |
| 193 |
|
| 194 |
$has_action = has_action( 'learn-press/ajax/no-priv/' . $action ); |
| 195 |
|
| 196 |
/** |
| 197 |
* @since 3.0.0 |
| 198 |
*/ |
| 199 |
do_action( 'learn-press/ajax/no-priv/' . $action ); |
| 200 |
} |
| 201 |
|
| 202 |
if ( $has_action && self::$ajax_shutdown ) { |
| 203 |
die( '{END_AJAX}' ); |
| 204 |
} |
| 205 |
} |
| 206 |
|
| 207 |
public static function verify_nonce( $action, $nonce = '' ) { |
| 208 |
return wp_verify_nonce( $nonce ? $nonce : self::get_string( "{$action}-nonce" ), $action ); |
| 209 |
} |
| 210 |
|
| 211 |
public static function parse_action( $action ) { |
| 212 |
$args = explode( ':', $action ); |
| 213 |
$actions = array( |
| 214 |
'action' => $args[0], |
| 215 |
); |
| 216 |
|
| 217 |
if ( sizeof( $args ) > 1 ) { |
| 218 |
array_shift( $args ); |
| 219 |
foreach ( $args as $arg ) { |
| 220 |
$actions[ $arg ] = $arg; |
| 221 |
} |
| 222 |
} |
| 223 |
|
| 224 |
return $actions; |
| 225 |
} |
| 226 |
|
| 227 |
/** |
| 228 |
* Get variable value from Server environment. |
| 229 |
* |
| 230 |
* @param string $var |
| 231 |
* @param mixed $default |
| 232 |
* @param string $type |
| 233 |
* @param string $env |
| 234 |
* |
| 235 |
* @return mixed |
| 236 |
*/ |
| 237 |
public static function get( $var, $default = false, $type = '', $env = 'request' ) { |
| 238 |
switch ( strtolower( $env ) ) { |
| 239 |
case 'post': |
| 240 |
$env = LP_Helper::sanitize_params_submitted( $_POST ); |
| 241 |
break; |
| 242 |
case 'get': |
| 243 |
$env = LP_Helper::sanitize_params_submitted( $_GET ); |
| 244 |
break; |
| 245 |
case 'put': |
| 246 |
case 'delete': |
| 247 |
$data = file_get_contents( 'php://input' ); |
| 248 |
$env = array(); |
| 249 |
parse_str( $data, $env ); |
| 250 |
break; |
| 251 |
case 'wp': |
| 252 |
global $wp; |
| 253 |
$env = $wp->query_vars; |
| 254 |
break; |
| 255 |
default: |
| 256 |
$env = LP_Helper::sanitize_params_submitted( $_REQUEST ); |
| 257 |
} |
| 258 |
|
| 259 |
$return = array_key_exists( $var, $env ) ? $env[ $var ] : $default; |
| 260 |
switch ( $type ) { |
| 261 |
case 'int': |
| 262 |
$return = intval( $return ); |
| 263 |
break; |
| 264 |
case 'float': |
| 265 |
$return = floatval( $return ); |
| 266 |
break; |
| 267 |
case 'bool': |
| 268 |
try { |
| 269 |
$value = strtolower( $return ); |
| 270 |
} catch ( Exception $e ) { |
| 271 |
$value = $return; |
| 272 |
} |
| 273 |
|
| 274 |
if ( in_array( $value, array( 'true', 'yes', 'on', 'enable' ) ) ) { |
| 275 |
$return = true; |
| 276 |
} elseif ( in_array( $value, array( 'false', 'no', 'off', 'disable' ) ) ) { |
| 277 |
$return = false; |
| 278 |
} else { |
| 279 |
$return = ! ! $return; |
| 280 |
} |
| 281 |
break; |
| 282 |
case 'string': |
| 283 |
$return = (string) $return; |
| 284 |
break; |
| 285 |
case 'array': |
| 286 |
$return = $return ? (array) $return : array(); |
| 287 |
break; |
| 288 |
} |
| 289 |
|
| 290 |
LP_Helper::sanitize_params_submitted( $return ); |
| 291 |
|
| 292 |
return $return; |
| 293 |
} |
| 294 |
|
| 295 |
/** |
| 296 |
* Get value int from environment. |
| 297 |
* |
| 298 |
* @param string $var |
| 299 |
* @param mixed $default |
| 300 |
* @param string $env |
| 301 |
* |
| 302 |
* @return int |
| 303 |
*/ |
| 304 |
public static function get_int( $var, $default = false, $env = 'request' ) { |
| 305 |
return self::get( $var, $default, 'int', $env ); |
| 306 |
} |
| 307 |
|
| 308 |
/** |
| 309 |
* Get value float from environment. |
| 310 |
* |
| 311 |
* @param string $var |
| 312 |
* @param mixed $default |
| 313 |
* @param string $env |
| 314 |
* |
| 315 |
* @return float |
| 316 |
*/ |
| 317 |
public static function get_float( $var, $default = false, $env = 'request' ) { |
| 318 |
return self::get( $var, $default, 'float', $env ); |
| 319 |
} |
| 320 |
|
| 321 |
/** |
| 322 |
* Get value bool from environment. |
| 323 |
* |
| 324 |
* @param string $var |
| 325 |
* @param mixed $default |
| 326 |
* @param string $env |
| 327 |
* |
| 328 |
* @return bool |
| 329 |
*/ |
| 330 |
public static function get_bool( $var, $default = false, $env = 'request' ) { |
| 331 |
return self::get( $var, $default, 'bool', $env ); |
| 332 |
} |
| 333 |
|
| 334 |
/** |
| 335 |
* Get value string from environment. |
| 336 |
* |
| 337 |
* @param string $var |
| 338 |
* @param mixed $default |
| 339 |
* @param string $env |
| 340 |
* |
| 341 |
* @return string |
| 342 |
*/ |
| 343 |
public static function get_string( $var, $default = false, $env = 'request' ) { |
| 344 |
return self::get( $var, $default, 'string', $env ); |
| 345 |
} |
| 346 |
|
| 347 |
/** |
| 348 |
* Get value array from environment. |
| 349 |
* |
| 350 |
* @param string $var |
| 351 |
* @param mixed $default |
| 352 |
* @param string $env |
| 353 |
* |
| 354 |
* @return array |
| 355 |
*/ |
| 356 |
public static function get_array( $var, $default = false, $env = 'request' ) { |
| 357 |
return self::get( $var, $default, 'array', $env ); |
| 358 |
} |
| 359 |
|
| 360 |
/** |
| 361 |
* Get value from $_POST. |
| 362 |
* |
| 363 |
* @param string $var |
| 364 |
* @param mixed $default |
| 365 |
* |
| 366 |
* @return mixed |
| 367 |
*/ |
| 368 |
public static function get_post( $var, $default = false, $type = '' ) { |
| 369 |
return self::get( $var, $default, $type, 'post' ); |
| 370 |
} |
| 371 |
|
| 372 |
/** |
| 373 |
* Get value int from $_POST. |
| 374 |
* |
| 375 |
* @param string $var |
| 376 |
* @param mixed $default |
| 377 |
* |
| 378 |
* @return int |
| 379 |
*/ |
| 380 |
public static function get_post_int( $var, $default = false ) { |
| 381 |
return self::get_post( $var, $default, 'int' ); |
| 382 |
} |
| 383 |
|
| 384 |
/** |
| 385 |
* Get value float from $_POST. |
| 386 |
* |
| 387 |
* @param string $var |
| 388 |
* @param mixed $default |
| 389 |
* |
| 390 |
* @return float |
| 391 |
*/ |
| 392 |
public static function get_post_float( $var, $default = false ) { |
| 393 |
return self::get_post( $var, $default, 'float' ); |
| 394 |
} |
| 395 |
|
| 396 |
/** |
| 397 |
* Get value bool from $_POST. |
| 398 |
* |
| 399 |
* @param string $var |
| 400 |
* @param mixed $default |
| 401 |
* |
| 402 |
* @return bool |
| 403 |
*/ |
| 404 |
public static function get_post_bool( $var, $default = false ) { |
| 405 |
return self::get_post( $var, $default, 'bool' ); |
| 406 |
} |
| 407 |
|
| 408 |
/** |
| 409 |
* Get value string from $_POST. |
| 410 |
* |
| 411 |
* @param string $var |
| 412 |
* @param mixed $default |
| 413 |
* |
| 414 |
* @return string |
| 415 |
*/ |
| 416 |
public static function get_post_string( $var, $default = false ) { |
| 417 |
return self::get_post( $var, $default, 'string' ); |
| 418 |
} |
| 419 |
|
| 420 |
/** |
| 421 |
* Get value array from $_POST. |
| 422 |
* |
| 423 |
* @param string $var |
| 424 |
* @param mixed $default |
| 425 |
* |
| 426 |
* @return array |
| 427 |
*/ |
| 428 |
public static function get_post_array( $var, $default = false ) { |
| 429 |
return self::get_post( $var, $default, 'array' ); |
| 430 |
} |
| 431 |
|
| 432 |
/** |
| 433 |
* Get email field and validate. |
| 434 |
* |
| 435 |
* @param string $var |
| 436 |
* @param bool $default |
| 437 |
* |
| 438 |
* @return bool|string |
| 439 |
*/ |
| 440 |
public static function get_email( $var, $default = false ) { |
| 441 |
$email = self::get_string( $var, $default ); |
| 442 |
if ( ! is_email( $email ) ) { |
| 443 |
$email = $default; |
| 444 |
} |
| 445 |
|
| 446 |
return $email; |
| 447 |
} |
| 448 |
|
| 449 |
/** |
| 450 |
* Get a batch of params from request into an array. |
| 451 |
* |
| 452 |
* @return array |
| 453 |
*/ |
| 454 |
public static function get_list() { |
| 455 |
if ( func_num_args() < 1 ) { |
| 456 |
return array(); |
| 457 |
} |
| 458 |
|
| 459 |
$list = array(); |
| 460 |
foreach ( func_get_args() as $key ) { |
| 461 |
$list[ $key ] = self::get( $key ); |
| 462 |
} |
| 463 |
|
| 464 |
return $list; |
| 465 |
} |
| 466 |
|
| 467 |
/** |
| 468 |
* Parse string from request to array by comma. |
| 469 |
* |
| 470 |
* @param string $var |
| 471 |
* @param string $separator |
| 472 |
* |
| 473 |
* @return array |
| 474 |
*/ |
| 475 |
public static function get_list_array( $var, $separator = ',' ) { |
| 476 |
$list = self::get_string( $var ); |
| 477 |
|
| 478 |
if ( ! $list ) { |
| 479 |
return array(); |
| 480 |
} |
| 481 |
|
| 482 |
if ( $separator === ',' ) { |
| 483 |
$list = preg_split( '!\s?,\s?!', $list ); |
| 484 |
} else { |
| 485 |
$list = explode( $separator, $list ); |
| 486 |
} |
| 487 |
|
| 488 |
return array_map( 'trim', $list ); |
| 489 |
} |
| 490 |
|
| 491 |
/** |
| 492 |
* Get param 'redirect' in request. |
| 493 |
* |
| 494 |
* @param string $default |
| 495 |
* |
| 496 |
* @return string |
| 497 |
*/ |
| 498 |
public static function get_redirect( $default = '' ) { |
| 499 |
$redirect = self::get_string( 'redirect' ); |
| 500 |
|
| 501 |
if ( $redirect ) { |
| 502 |
$redirect = urldecode( $redirect ); |
| 503 |
} else { |
| 504 |
$redirect = $default; |
| 505 |
} |
| 506 |
|
| 507 |
return $redirect; |
| 508 |
} |
| 509 |
|
| 510 |
public static function get_cookie( $name, $def = false, $global = false ) { |
| 511 |
if ( $global ) { |
| 512 |
return $_COOKIE[ $name ] ?? $def; |
| 513 |
} |
| 514 |
|
| 515 |
$cookie = isset( $_COOKIE['LP'] ) ? (array) json_decode( stripslashes( $_COOKIE['LP'] ) ) : array(); |
| 516 |
|
| 517 |
return $cookie[ $name ] ?? $def; |
| 518 |
} |
| 519 |
|
| 520 |
public static function set_cookie( $name, $value, $expires = '', $domain = '', $path = '', $secure = false ) { |
| 521 |
if ( func_num_args() > 2 ) { |
| 522 |
learn_press_setcookie( $name, $value, $expires, $secure ); |
| 523 |
} else { |
| 524 |
$cookie = isset( $_COOKIE['LP'] ) ? maybe_unserialize( $_COOKIE['LP'] ) : array(); |
| 525 |
|
| 526 |
$cookie[ $name ] = $value; |
| 527 |
learn_press_setcookie( 'LP', $value ); |
| 528 |
} |
| 529 |
} |
| 530 |
} |
| 531 |
|
| 532 |
LP_Request::init(); |
| 533 |
|
| 534 |
// Backward compatibility for 2.x.x |
| 535 |
class LP_Request_Handler extends LP_Request { |
| 536 |
|
| 537 |
} |
| 538 |
|
