| 1 |
<?php |
| 2 |
|
| 3 |
defined( 'WPCOM_JSON_API__DEBUG' ) or define( 'WPCOM_JSON_API__DEBUG', false ); |
| 4 |
|
| 5 |
require_once dirname( __FILE__ ) . '/sal/class.json-api-platform.php'; |
| 6 |
|
| 7 |
class WPCOM_JSON_API { |
| 8 |
static $self = null; |
| 9 |
|
| 10 |
public $endpoints = array(); |
| 11 |
|
| 12 |
public $token_details = array(); |
| 13 |
|
| 14 |
public $method = ''; |
| 15 |
public $url = ''; |
| 16 |
public $path = ''; |
| 17 |
public $version = null; |
| 18 |
public $query = array(); |
| 19 |
public $post_body = null; |
| 20 |
public $files = null; |
| 21 |
public $content_type = null; |
| 22 |
public $accept = ''; |
| 23 |
|
| 24 |
public $_server_https; |
| 25 |
public $exit = true; |
| 26 |
public $public_api_scheme = 'https'; |
| 27 |
|
| 28 |
public $output_status_code = 200; |
| 29 |
|
| 30 |
public $trapped_error = null; |
| 31 |
public $did_output = false; |
| 32 |
|
| 33 |
public $extra_headers = array(); |
| 34 |
|
| 35 |
/** |
| 36 |
* @return WPCOM_JSON_API instance |
| 37 |
*/ |
| 38 |
static function init( $method = null, $url = null, $post_body = null ) { |
| 39 |
if ( !self::$self ) { |
| 40 |
$class = function_exists( 'get_called_class' ) ? get_called_class() : __CLASS__; |
| 41 |
self::$self = new $class( $method, $url, $post_body ); |
| 42 |
} |
| 43 |
return self::$self; |
| 44 |
} |
| 45 |
|
| 46 |
function add( WPCOM_JSON_API_Endpoint $endpoint ) { |
| 47 |
$path_versions = serialize( array ( |
| 48 |
$endpoint->path, |
| 49 |
$endpoint->min_version, |
| 50 |
$endpoint->max_version, |
| 51 |
) ); |
| 52 |
if ( !isset( $this->endpoints[$path_versions] ) ) { |
| 53 |
$this->endpoints[$path_versions] = array(); |
| 54 |
} |
| 55 |
$this->endpoints[$path_versions][$endpoint->method] = $endpoint; |
| 56 |
} |
| 57 |
|
| 58 |
static function is_truthy( $value ) { |
| 59 |
switch ( strtolower( (string) $value ) ) { |
| 60 |
case '1' : |
| 61 |
case 't' : |
| 62 |
case 'true' : |
| 63 |
return true; |
| 64 |
} |
| 65 |
|
| 66 |
return false; |
| 67 |
} |
| 68 |
|
| 69 |
static function is_falsy( $value ) { |
| 70 |
switch ( strtolower( (string) $value ) ) { |
| 71 |
case '0' : |
| 72 |
case 'f' : |
| 73 |
case 'false' : |
| 74 |
return true; |
| 75 |
} |
| 76 |
|
| 77 |
return false; |
| 78 |
} |
| 79 |
|
| 80 |
function __construct() { |
| 81 |
$args = func_get_args(); |
| 82 |
call_user_func_array( array( $this, 'setup_inputs' ), $args ); |
| 83 |
} |
| 84 |
|
| 85 |
function setup_inputs( $method = null, $url = null, $post_body = null ) { |
| 86 |
if ( is_null( $method ) ) { |
| 87 |
$this->method = strtoupper( $_SERVER['REQUEST_METHOD'] ); |
| 88 |
} else { |
| 89 |
$this->method = strtoupper( $method ); |
| 90 |
} |
| 91 |
if ( is_null( $url ) ) { |
| 92 |
$this->url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); |
| 93 |
} else { |
| 94 |
$this->url = $url; |
| 95 |
} |
| 96 |
|
| 97 |
$parsed = parse_url( $this->url ); |
| 98 |
$this->path = $parsed['path']; |
| 99 |
|
| 100 |
if ( !empty( $parsed['query'] ) ) { |
| 101 |
wp_parse_str( $parsed['query'], $this->query ); |
| 102 |
} |
| 103 |
|
| 104 |
if ( isset( $_SERVER['HTTP_ACCEPT'] ) && $_SERVER['HTTP_ACCEPT'] ) { |
| 105 |
$this->accept = $_SERVER['HTTP_ACCEPT']; |
| 106 |
} |
| 107 |
|
| 108 |
if ( 'POST' === $this->method ) { |
| 109 |
if ( is_null( $post_body ) ) { |
| 110 |
$this->post_body = file_get_contents( 'php://input' ); |
| 111 |
|
| 112 |
if ( isset( $_SERVER['HTTP_CONTENT_TYPE'] ) && $_SERVER['HTTP_CONTENT_TYPE'] ) { |
| 113 |
$this->content_type = $_SERVER['HTTP_CONTENT_TYPE']; |
| 114 |
} elseif ( isset( $_SERVER['CONTENT_TYPE'] ) && $_SERVER['CONTENT_TYPE'] ) { |
| 115 |
$this->content_type = $_SERVER['CONTENT_TYPE'] ; |
| 116 |
} elseif ( '{' === $this->post_body[0] ) { |
| 117 |
$this->content_type = 'application/json'; |
| 118 |
} else { |
| 119 |
$this->content_type = 'application/x-www-form-urlencoded'; |
| 120 |
} |
| 121 |
|
| 122 |
if ( 0 === strpos( strtolower( $this->content_type ), 'multipart/' ) ) { |
| 123 |
$this->post_body = http_build_query( stripslashes_deep( $_POST ) ); |
| 124 |
$this->files = $_FILES; |
| 125 |
$this->content_type = 'multipart/form-data'; |
| 126 |
} |
| 127 |
} else { |
| 128 |
$this->post_body = $post_body; |
| 129 |
$this->content_type = '{' === isset( $this->post_body[0] ) && $this->post_body[0] ? 'application/json' : 'application/x-www-form-urlencoded'; |
| 130 |
} |
| 131 |
} else { |
| 132 |
$this->post_body = null; |
| 133 |
$this->content_type = null; |
| 134 |
} |
| 135 |
|
| 136 |
$this->_server_https = array_key_exists( 'HTTPS', $_SERVER ) ? $_SERVER['HTTPS'] : '--UNset--'; |
| 137 |
} |
| 138 |
|
| 139 |
function initialize() { |
| 140 |
$this->token_details['blog_id'] = Jetpack_Options::get_option( 'id' ); |
| 141 |
} |
| 142 |
|
| 143 |
function serve( $exit = true ) { |
| 144 |
ini_set( 'display_errors', false ); |
| 145 |
|
| 146 |
$this->exit = (bool) $exit; |
| 147 |
|
| 148 |
// This was causing problems with Jetpack, but is necessary for wpcom |
| 149 |
// @see https://github.com/Automattic/jetpack/pull/2603 |
| 150 |
// @see r124548-wpcom |
| 151 |
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 152 |
add_filter( 'home_url', array( $this, 'ensure_http_scheme_of_home_url' ), 10, 3 ); |
| 153 |
} |
| 154 |
|
| 155 |
add_filter( 'user_can_richedit', '__return_true' ); |
| 156 |
|
| 157 |
add_filter( 'comment_edit_pre', array( $this, 'comment_edit_pre' ) ); |
| 158 |
|
| 159 |
$initialization = $this->initialize(); |
| 160 |
if ( 'OPTIONS' == $this->method ) { |
| 161 |
/** |
| 162 |
* Fires before the page output. |
| 163 |
* Can be used to specify custom header options. |
| 164 |
* |
| 165 |
* @module json-api |
| 166 |
* |
| 167 |
* @since 3.1.0 |
| 168 |
*/ |
| 169 |
do_action( 'wpcom_json_api_options' ); |
| 170 |
return $this->output( 200, '', 'text/plain' ); |
| 171 |
} |
| 172 |
|
| 173 |
if ( is_wp_error( $initialization ) ) { |
| 174 |
$this->output_error( $initialization ); |
| 175 |
return; |
| 176 |
} |
| 177 |
|
| 178 |
// Normalize path and extract API version |
| 179 |
$this->path = untrailingslashit( $this->path ); |
| 180 |
preg_match( '#^/rest/v(\d+(\.\d+)*)#', $this->path, $matches ); |
| 181 |
$this->path = substr( $this->path, strlen( $matches[0] ) ); |
| 182 |
$this->version = $matches[1]; |
| 183 |
|
| 184 |
$allowed_methods = array( 'GET', 'POST' ); |
| 185 |
$four_oh_five = false; |
| 186 |
|
| 187 |
$is_help = preg_match( '#/help/?$#i', $this->path ); |
| 188 |
$matching_endpoints = array(); |
| 189 |
|
| 190 |
if ( $is_help ) { |
| 191 |
$origin = get_http_origin(); |
| 192 |
|
| 193 |
if ( !empty( $origin ) && 'GET' == $this->method ) { |
| 194 |
header( 'Access-Control-Allow-Origin: ' . esc_url_raw( $origin ) ); |
| 195 |
} |
| 196 |
|
| 197 |
$this->path = substr( rtrim( $this->path, '/' ), 0, -5 ); |
| 198 |
// Show help for all matching endpoints regardless of method |
| 199 |
$methods = $allowed_methods; |
| 200 |
$find_all_matching_endpoints = true; |
| 201 |
// How deep to truncate each endpoint's path to see if it matches this help request |
| 202 |
$depth = substr_count( $this->path, '/' ) + 1; |
| 203 |
if ( false !== stripos( $this->accept, 'javascript' ) || false !== stripos( $this->accept, 'json' ) ) { |
| 204 |
$help_content_type = 'json'; |
| 205 |
} else { |
| 206 |
$help_content_type = 'html'; |
| 207 |
} |
| 208 |
} else { |
| 209 |
if ( in_array( $this->method, $allowed_methods ) ) { |
| 210 |
// Only serve requested method |
| 211 |
$methods = array( $this->method ); |
| 212 |
$find_all_matching_endpoints = false; |
| 213 |
} else { |
| 214 |
// We don't allow this requested method - find matching endpoints and send 405 |
| 215 |
$methods = $allowed_methods; |
| 216 |
$find_all_matching_endpoints = true; |
| 217 |
$four_oh_five = true; |
| 218 |
} |
| 219 |
} |
| 220 |
|
| 221 |
// Find which endpoint to serve |
| 222 |
$found = false; |
| 223 |
foreach ( $this->endpoints as $endpoint_path_versions => $endpoints_by_method ) { |
| 224 |
$endpoint_path_versions = unserialize( $endpoint_path_versions ); |
| 225 |
$endpoint_path = $endpoint_path_versions[0]; |
| 226 |
$endpoint_min_version = $endpoint_path_versions[1]; |
| 227 |
$endpoint_max_version = $endpoint_path_versions[2]; |
| 228 |
|
| 229 |
// Make sure max_version is not less than min_version |
| 230 |
if ( version_compare( $endpoint_max_version, $endpoint_min_version, '<' ) ) { |
| 231 |
$endpoint_max_version = $endpoint_min_version; |
| 232 |
} |
| 233 |
|
| 234 |
foreach ( $methods as $method ) { |
| 235 |
if ( !isset( $endpoints_by_method[$method] ) ) { |
| 236 |
continue; |
| 237 |
} |
| 238 |
|
| 239 |
// Normalize |
| 240 |
$endpoint_path = untrailingslashit( $endpoint_path ); |
| 241 |
if ( $is_help ) { |
| 242 |
// Truncate path at help depth |
| 243 |
$endpoint_path = join( '/', array_slice( explode( '/', $endpoint_path ), 0, $depth ) ); |
| 244 |
} |
| 245 |
|
| 246 |
// Generate regular expression from sprintf() |
| 247 |
$endpoint_path_regex = str_replace( array( '%s', '%d' ), array( '([^/?&]+)', '(\d+)' ), $endpoint_path ); |
| 248 |
|
| 249 |
if ( !preg_match( "#^$endpoint_path_regex\$#", $this->path, $path_pieces ) ) { |
| 250 |
// This endpoint does not match the requested path. |
| 251 |
continue; |
| 252 |
} |
| 253 |
|
| 254 |
if ( version_compare( $this->version, $endpoint_min_version, '<' ) || version_compare( $this->version, $endpoint_max_version, '>' ) ) { |
| 255 |
// This endpoint does not match the requested version. |
| 256 |
continue; |
| 257 |
} |
| 258 |
|
| 259 |
$found = true; |
| 260 |
|
| 261 |
if ( $find_all_matching_endpoints ) { |
| 262 |
$matching_endpoints[] = array( $endpoints_by_method[$method], $path_pieces ); |
| 263 |
} else { |
| 264 |
// The method parameters are now in $path_pieces |
| 265 |
$endpoint = $endpoints_by_method[$method]; |
| 266 |
break 2; |
| 267 |
} |
| 268 |
} |
| 269 |
} |
| 270 |
|
| 271 |
if ( !$found ) { |
| 272 |
return $this->output( 404, '', 'text/plain' ); |
| 273 |
} |
| 274 |
|
| 275 |
if ( $four_oh_five ) { |
| 276 |
$allowed_methods = array(); |
| 277 |
foreach ( $matching_endpoints as $matching_endpoint ) { |
| 278 |
$allowed_methods[] = $matching_endpoint[0]->method; |
| 279 |
} |
| 280 |
|
| 281 |
header( 'Allow: ' . strtoupper( join( ',', array_unique( $allowed_methods ) ) ) ); |
| 282 |
return $this->output( 405, array( 'error' => 'not_allowed', 'error_message' => 'Method not allowed' ) ); |
| 283 |
} |
| 284 |
|
| 285 |
if ( $is_help ) { |
| 286 |
/** |
| 287 |
* Fires before the API output. |
| 288 |
* |
| 289 |
* @since 1.9.0 |
| 290 |
* |
| 291 |
* @param string help. |
| 292 |
*/ |
| 293 |
do_action( 'wpcom_json_api_output', 'help' ); |
| 294 |
$proxied = function_exists( 'wpcom_is_proxied_request' ) ? wpcom_is_proxied_request() : false; |
| 295 |
if ( 'json' === $help_content_type ) { |
| 296 |
$docs = array(); |
| 297 |
foreach ( $matching_endpoints as $matching_endpoint ) { |
| 298 |
if ( $matching_endpoint[0]->is_publicly_documentable() || $proxied || WPCOM_JSON_API__DEBUG ) |
| 299 |
$docs[] = call_user_func( array( $matching_endpoint[0], 'generate_documentation' ) ); |
| 300 |
} |
| 301 |
return $this->output( 200, $docs ); |
| 302 |
} else { |
| 303 |
status_header( 200 ); |
| 304 |
foreach ( $matching_endpoints as $matching_endpoint ) { |
| 305 |
if ( $matching_endpoint[0]->is_publicly_documentable() || $proxied || WPCOM_JSON_API__DEBUG ) |
| 306 |
call_user_func( array( $matching_endpoint[0], 'document' ) ); |
| 307 |
} |
| 308 |
} |
| 309 |
exit; |
| 310 |
} |
| 311 |
|
| 312 |
if ( $endpoint->in_testing && !WPCOM_JSON_API__DEBUG ) { |
| 313 |
return $this->output( 404, '', 'text/plain' ); |
| 314 |
} |
| 315 |
|
| 316 |
/** This action is documented in class.json-api.php */ |
| 317 |
do_action( 'wpcom_json_api_output', $endpoint->stat ); |
| 318 |
|
| 319 |
$response = $this->process_request( $endpoint, $path_pieces ); |
| 320 |
|
| 321 |
if ( !$response && !is_array( $response ) ) { |
| 322 |
return $this->output( 500, '', 'text/plain' ); |
| 323 |
} elseif ( is_wp_error( $response ) ) { |
| 324 |
return $this->output_error( $response ); |
| 325 |
} |
| 326 |
|
| 327 |
$output_status_code = $this->output_status_code; |
| 328 |
$this->set_output_status_code(); |
| 329 |
|
| 330 |
return $this->output( $output_status_code, $response, 'application/json', $this->extra_headers ); |
| 331 |
} |
| 332 |
|
| 333 |
function process_request( WPCOM_JSON_API_Endpoint $endpoint, $path_pieces ) { |
| 334 |
$this->endpoint = $endpoint; |
| 335 |
return call_user_func_array( array( $endpoint, 'callback' ), $path_pieces ); |
| 336 |
} |
| 337 |
|
| 338 |
function output_early( $status_code, $response = null, $content_type = 'application/json' ) { |
| 339 |
$exit = $this->exit; |
| 340 |
$this->exit = false; |
| 341 |
if ( is_wp_error( $response ) ) |
| 342 |
$this->output_error( $response ); |
| 343 |
else |
| 344 |
$this->output( $status_code, $response, $content_type ); |
| 345 |
$this->exit = $exit; |
| 346 |
if ( ! defined( 'XMLRPC_REQUEST' ) || ! XMLRPC_REQUEST ) { |
| 347 |
$this->finish_request(); |
| 348 |
} |
| 349 |
} |
| 350 |
|
| 351 |
function set_output_status_code( $code = 200 ) { |
| 352 |
$this->output_status_code = $code; |
| 353 |
} |
| 354 |
|
| 355 |
function output( $status_code, $response = null, $content_type = 'application/json', $extra = array() ) { |
| 356 |
// In case output() was called before the callback returned |
| 357 |
if ( $this->did_output ) { |
| 358 |
if ( $this->exit ) |
| 359 |
exit; |
| 360 |
return $content_type; |
| 361 |
} |
| 362 |
$this->did_output = true; |
| 363 |
|
| 364 |
// 400s and 404s are allowed for all origins |
| 365 |
if ( 404 == $status_code || 400 == $status_code ) |
| 366 |
header( 'Access-Control-Allow-Origin: *' ); |
| 367 |
|
| 368 |
if ( is_null( $response ) ) { |
| 369 |
$response = new stdClass; |
| 370 |
} |
| 371 |
|
| 372 |
if ( 'text/plain' === $content_type ) { |
| 373 |
status_header( (int) $status_code ); |
| 374 |
header( 'Content-Type: text/plain' ); |
| 375 |
foreach( $extra as $key => $value ) { |
| 376 |
header( "$key: $value" ); |
| 377 |
} |
| 378 |
echo $response; |
| 379 |
if ( $this->exit ) { |
| 380 |
exit; |
| 381 |
} |
| 382 |
|
| 383 |
return $content_type; |
| 384 |
} |
| 385 |
|
| 386 |
$response = $this->filter_fields( $response ); |
| 387 |
|
| 388 |
if ( isset( $this->query['http_envelope'] ) && self::is_truthy( $this->query['http_envelope'] ) ) { |
| 389 |
$headers = array( |
| 390 |
array( |
| 391 |
'name' => 'Content-Type', |
| 392 |
'value' => $content_type, |
| 393 |
) |
| 394 |
); |
| 395 |
|
| 396 |
foreach( $extra as $key => $value ) { |
| 397 |
$headers[] = array( 'name' => $key, 'value' => $value ); |
| 398 |
} |
| 399 |
|
| 400 |
$response = array( |
| 401 |
'code' => (int) $status_code, |
| 402 |
'headers' => $headers, |
| 403 |
'body' => $response, |
| 404 |
); |
| 405 |
$status_code = 200; |
| 406 |
$content_type = 'application/json'; |
| 407 |
} |
| 408 |
|
| 409 |
status_header( (int) $status_code ); |
| 410 |
header( "Content-Type: $content_type" ); |
| 411 |
if ( isset( $this->query['callback'] ) && is_string( $this->query['callback'] ) ) { |
| 412 |
$callback = preg_replace( '/[^a-z0-9_.]/i', '', $this->query['callback'] ); |
| 413 |
} else { |
| 414 |
$callback = false; |
| 415 |
} |
| 416 |
|
| 417 |
if ( $callback ) { |
| 418 |
// Mitigate Rosetta Flash [1] by setting the Content-Type-Options: nosniff header |
| 419 |
// and by prepending the JSONP response with a JS comment. |
| 420 |
// [1] http://miki.it/blog/2014/7/8/abusing-jsonp-with-rosetta-flash/ |
| 421 |
echo "/**/$callback("; |
| 422 |
|
| 423 |
} |
| 424 |
echo $this->json_encode( $response ); |
| 425 |
if ( $callback ) { |
| 426 |
echo ");"; |
| 427 |
} |
| 428 |
|
| 429 |
if ( $this->exit ) { |
| 430 |
exit; |
| 431 |
} |
| 432 |
|
| 433 |
return $content_type; |
| 434 |
} |
| 435 |
|
| 436 |
public static function serializable_error ( $error ) { |
| 437 |
|
| 438 |
$status_code = $error->get_error_data(); |
| 439 |
|
| 440 |
if ( is_array( $status_code ) ) |
| 441 |
$status_code = $status_code['status_code']; |
| 442 |
|
| 443 |
if ( !$status_code ) { |
| 444 |
$status_code = 400; |
| 445 |
} |
| 446 |
$response = array( |
| 447 |
'error' => $error->get_error_code(), |
| 448 |
'message' => $error->get_error_message(), |
| 449 |
); |
| 450 |
return array( |
| 451 |
'status_code' => $status_code, |
| 452 |
'errors' => $response |
| 453 |
); |
| 454 |
} |
| 455 |
|
| 456 |
function output_error( $error ) { |
| 457 |
$error_response = $this->serializable_error( $error ); |
| 458 |
|
| 459 |
return $this->output( $error_response[ 'status_code'], $error_response['errors'] ); |
| 460 |
} |
| 461 |
|
| 462 |
function filter_fields( $response ) { |
| 463 |
if ( empty( $this->query['fields'] ) || ( is_array( $response ) && ! empty( $response['error'] ) ) || ! empty( $this->endpoint->custom_fields_filtering ) ) |
| 464 |
return $response; |
| 465 |
|
| 466 |
$fields = array_map( 'trim', explode( ',', $this->query['fields'] ) ); |
| 467 |
|
| 468 |
if ( is_object( $response ) ) { |
| 469 |
$response = (array) $response; |
| 470 |
} |
| 471 |
|
| 472 |
$has_filtered = false; |
| 473 |
if ( is_array( $response ) && empty( $response['ID'] ) ) { |
| 474 |
$keys_to_filter = array( |
| 475 |
'categories', |
| 476 |
'comments', |
| 477 |
'connections', |
| 478 |
'domains', |
| 479 |
'groups', |
| 480 |
'likes', |
| 481 |
'media', |
| 482 |
'notes', |
| 483 |
'posts', |
| 484 |
'services', |
| 485 |
'sites', |
| 486 |
'suggestions', |
| 487 |
'tags', |
| 488 |
'themes', |
| 489 |
'topics', |
| 490 |
'users', |
| 491 |
); |
| 492 |
|
| 493 |
foreach ( $keys_to_filter as $key_to_filter ) { |
| 494 |
if ( ! isset( $response[ $key_to_filter ] ) || $has_filtered ) |
| 495 |
continue; |
| 496 |
|
| 497 |
foreach ( $response[ $key_to_filter ] as $key => $values ) { |
| 498 |
if ( is_object( $values ) ) { |
| 499 |
if ( is_object( $response[ $key_to_filter ] ) ) { |
| 500 |
$response[ $key_to_filter ]->$key = (object) array_intersect_key( ( (array) $values ), array_flip( $fields ) ); |
| 501 |
} elseif ( is_array( $response[ $key_to_filter ] ) ) { |
| 502 |
$response[ $key_to_filter ][ $key ] = (object) array_intersect_key( ( (array) $values ), array_flip( $fields ) ); |
| 503 |
} |
| 504 |
} elseif ( is_array( $values ) ) { |
| 505 |
$response[ $key_to_filter ][ $key ] = array_intersect_key( $values, array_flip( $fields ) ); |
| 506 |
} |
| 507 |
} |
| 508 |
|
| 509 |
$has_filtered = true; |
| 510 |
} |
| 511 |
} |
| 512 |
|
| 513 |
if ( ! $has_filtered ) { |
| 514 |
if ( is_object( $response ) ) { |
| 515 |
$response = (object) array_intersect_key( (array) $response, array_flip( $fields ) ); |
| 516 |
} else if ( is_array( $response ) ) { |
| 517 |
$response = array_intersect_key( $response, array_flip( $fields ) ); |
| 518 |
} |
| 519 |
} |
| 520 |
|
| 521 |
return $response; |
| 522 |
} |
| 523 |
|
| 524 |
function ensure_http_scheme_of_home_url( $url, $path, $original_scheme ) { |
| 525 |
if ( $original_scheme ) { |
| 526 |
return $url; |
| 527 |
} |
| 528 |
|
| 529 |
return preg_replace( '#^https:#', 'http:', $url ); |
| 530 |
} |
| 531 |
|
| 532 |
function comment_edit_pre( $comment_content ) { |
| 533 |
return htmlspecialchars_decode( $comment_content, ENT_QUOTES ); |
| 534 |
} |
| 535 |
|
| 536 |
function json_encode( $data ) { |
| 537 |
return json_encode( $data ); |
| 538 |
} |
| 539 |
|
| 540 |
function ends_with( $haystack, $needle ) { |
| 541 |
return $needle === substr( $haystack, -strlen( $needle ) ); |
| 542 |
} |
| 543 |
|
| 544 |
// Returns the site's blog_id in the WP.com ecosystem |
| 545 |
function get_blog_id_for_output() { |
| 546 |
return $this->token_details['blog_id']; |
| 547 |
} |
| 548 |
|
| 549 |
// Returns the site's local blog_id |
| 550 |
function get_blog_id( $blog_id ) { |
| 551 |
return $GLOBALS['blog_id']; |
| 552 |
} |
| 553 |
|
| 554 |
function switch_to_blog_and_validate_user( $blog_id = 0, $verify_token_for_blog = true ) { |
| 555 |
if ( $this->is_restricted_blog( $blog_id ) ) { |
| 556 |
return new WP_Error( 'unauthorized', 'User cannot access this restricted blog', 403 ); |
| 557 |
} |
| 558 |
|
| 559 |
if ( -1 == get_option( 'blog_public' ) && !current_user_can( 'read' ) ) { |
| 560 |
return new WP_Error( 'unauthorized', 'User cannot access this private blog.', 403 ); |
| 561 |
} |
| 562 |
|
| 563 |
return $blog_id; |
| 564 |
} |
| 565 |
|
| 566 |
// Returns true if the specified blog ID is a restricted blog |
| 567 |
function is_restricted_blog( $blog_id ) { |
| 568 |
/** |
| 569 |
* Filters all REST API access and return a 403 unauthorized response for all Restricted blog IDs. |
| 570 |
* |
| 571 |
* @module json-api |
| 572 |
* |
| 573 |
* @since 3.4.0 |
| 574 |
* |
| 575 |
* @param array $array Array of Blog IDs. |
| 576 |
*/ |
| 577 |
$restricted_blog_ids = apply_filters( 'wpcom_json_api_restricted_blog_ids', array() ); |
| 578 |
return true === in_array( $blog_id, $restricted_blog_ids ); |
| 579 |
} |
| 580 |
|
| 581 |
function post_like_count( $blog_id, $post_id ) { |
| 582 |
return 0; |
| 583 |
} |
| 584 |
|
| 585 |
function is_liked( $blog_id, $post_id ) { |
| 586 |
return false; |
| 587 |
} |
| 588 |
|
| 589 |
function is_reblogged( $blog_id, $post_id ) { |
| 590 |
return false; |
| 591 |
} |
| 592 |
|
| 593 |
function is_following( $blog_id ) { |
| 594 |
return false; |
| 595 |
} |
| 596 |
|
| 597 |
function add_global_ID( $blog_id, $post_id ) { |
| 598 |
return ''; |
| 599 |
} |
| 600 |
|
| 601 |
function get_avatar_url( $email, $avatar_size = null ) { |
| 602 |
if ( function_exists( 'wpcom_get_avatar_url' ) ) { |
| 603 |
return null === $avatar_size |
| 604 |
? wpcom_get_avatar_url( $email ) |
| 605 |
: wpcom_get_avatar_url( $email, $avatar_size ); |
| 606 |
} else { |
| 607 |
return null === $avatar_size |
| 608 |
? get_avatar_url( $email ) |
| 609 |
: get_avatar_url( $email, $avatar_size ); |
| 610 |
} |
| 611 |
} |
| 612 |
|
| 613 |
/** |
| 614 |
* traps `wp_die()` calls and outputs a JSON response instead. |
| 615 |
* The result is always output, never returned. |
| 616 |
* |
| 617 |
* @param string|null $error_code Call with string to start the trapping. Call with null to stop. |
| 618 |
* @param int $http_status HTTP status code, 400 by default. |
| 619 |
*/ |
| 620 |
function trap_wp_die( $error_code = null, $http_status = 400 ) { |
| 621 |
if ( is_null( $error_code ) ) { |
| 622 |
$this->trapped_error = null; |
| 623 |
// Stop trapping |
| 624 |
remove_filter( 'wp_die_handler', array( $this, 'wp_die_handler_callback' ) ); |
| 625 |
return; |
| 626 |
} |
| 627 |
|
| 628 |
// If API called via PHP, bail: don't do our custom wp_die(). Do the normal wp_die(). |
| 629 |
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 630 |
if ( ! defined( 'REST_API_REQUEST' ) || ! REST_API_REQUEST ) { |
| 631 |
return; |
| 632 |
} |
| 633 |
} else { |
| 634 |
if ( ! defined( 'XMLRPC_REQUEST' ) || ! XMLRPC_REQUEST ) { |
| 635 |
return; |
| 636 |
} |
| 637 |
} |
| 638 |
|
| 639 |
$this->trapped_error = array( |
| 640 |
'status' => $http_status, |
| 641 |
'code' => $error_code, |
| 642 |
'message' => '', |
| 643 |
); |
| 644 |
// Start trapping |
| 645 |
add_filter( 'wp_die_handler', array( $this, 'wp_die_handler_callback' ) ); |
| 646 |
} |
| 647 |
|
| 648 |
function wp_die_handler_callback() { |
| 649 |
return array( $this, 'wp_die_handler' ); |
| 650 |
} |
| 651 |
|
| 652 |
function wp_die_handler( $message, $title = '', $args = array() ) { |
| 653 |
// Allow wp_die calls to override HTTP status code... |
| 654 |
$args = wp_parse_args( $args, array( |
| 655 |
'response' => $this->trapped_error['status'], |
| 656 |
) ); |
| 657 |
|
| 658 |
// ... unless it's 500 ( see http://wp.me/pMz3w-5VV ) |
| 659 |
if ( (int) $args['response'] !== 500 ) { |
| 660 |
$this->trapped_error['status'] = $args['response']; |
| 661 |
} |
| 662 |
|
| 663 |
if ( $title ) { |
| 664 |
$message = "$title: $message"; |
| 665 |
} |
| 666 |
|
| 667 |
$this->trapped_error['message'] = wp_kses( $message, array() ); |
| 668 |
|
| 669 |
switch ( $this->trapped_error['code'] ) { |
| 670 |
case 'comment_failure' : |
| 671 |
if ( did_action( 'comment_duplicate_trigger' ) ) { |
| 672 |
$this->trapped_error['code'] = 'comment_duplicate'; |
| 673 |
} else if ( did_action( 'comment_flood_trigger' ) ) { |
| 674 |
$this->trapped_error['code'] = 'comment_flood'; |
| 675 |
} |
| 676 |
break; |
| 677 |
} |
| 678 |
|
| 679 |
// We still want to exit so that code execution stops where it should. |
| 680 |
// Attach the JSON output to the WordPress shutdown handler |
| 681 |
add_action( 'shutdown', array( $this, 'output_trapped_error' ), 0 ); |
| 682 |
exit; |
| 683 |
} |
| 684 |
|
| 685 |
function output_trapped_error() { |
| 686 |
$this->exit = false; // We're already exiting once. Don't do it twice. |
| 687 |
$this->output( $this->trapped_error['status'], (object) array( |
| 688 |
'error' => $this->trapped_error['code'], |
| 689 |
'message' => $this->trapped_error['message'], |
| 690 |
) ); |
| 691 |
} |
| 692 |
|
| 693 |
function finish_request() { |
| 694 |
if ( function_exists( 'fastcgi_finish_request' ) ) |
| 695 |
return fastcgi_finish_request(); |
| 696 |
} |
| 697 |
} |
| 698 |
|
