| 1 |
<?php |
| 2 |
/** |
| 3 |
* GS API Client |
| 4 |
* |
| 5 |
* @since 0.2.0 |
| 6 |
* @author peshkov@UD |
| 7 |
*/ |
| 8 |
namespace wpCloud\StatelessMedia { |
| 9 |
|
| 10 |
use Google_Client; |
| 11 |
use Google_Service_Storage; |
| 12 |
use WP_Error; |
| 13 |
use Exception; |
| 14 |
use Google_Service_Storage_ObjectAccessControl; |
| 15 |
use Google_Auth_AssertionCredentials; |
| 16 |
|
| 17 |
if( !class_exists( 'wpCloud\StatelessMedia\GS_Client' ) ) { |
| 18 |
|
| 19 |
final class GS_Client { |
| 20 |
|
| 21 |
/** |
| 22 |
* Singleton object |
| 23 |
* |
| 24 |
* @var \wpCloud\StatelessMedia\GS_Client |
| 25 |
*/ |
| 26 |
private static $instance; |
| 27 |
|
| 28 |
/** |
| 29 |
* Google Client manager |
| 30 |
* |
| 31 |
* @var \Google_Client $client |
| 32 |
*/ |
| 33 |
public $client; |
| 34 |
|
| 35 |
/** |
| 36 |
* Google Storage Service manager |
| 37 |
* |
| 38 |
* @var \Google_Service_Storage $service |
| 39 |
*/ |
| 40 |
public $service; |
| 41 |
|
| 42 |
/** |
| 43 |
* Google Storage Bucket |
| 44 |
* |
| 45 |
* @var |
| 46 |
*/ |
| 47 |
private $bucket; |
| 48 |
|
| 49 |
/** |
| 50 |
* @var |
| 51 |
*/ |
| 52 |
private $temp_objects = array(); |
| 53 |
|
| 54 |
/** |
| 55 |
* Constructor. |
| 56 |
* Must not be called directly. |
| 57 |
* |
| 58 |
* @param $args |
| 59 |
* @author peshkov@UD |
| 60 |
*/ |
| 61 |
protected function __construct( $args ) { |
| 62 |
global $current_blog; |
| 63 |
$this->bucket = $args[ 'bucket' ]; |
| 64 |
$this->key_json = json_decode($args['key_json'], 1); |
| 65 |
|
| 66 |
// May be Loading Google SDK.... |
| 67 |
if( !class_exists( '\wpCloud\StatelessMedia\Google_Client\Google_Client' ) ) { |
| 68 |
include_once( ud_get_stateless_media()->path('lib/Google/vendor/autoload.php', 'dir') ); |
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} |
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|
| 71 |
/* Initialize our client */ |
| 72 |
$this->client = new \wpCloud\StatelessMedia\Google_Client\Google_Client(); |
| 73 |
|
| 74 |
// We're supporting Google SDK 1.X version since |
| 75 |
// The plugins which also are using Google SDK may have its old version |
| 76 |
// what may cause conflicts |
| 77 |
// |
| 78 |
if( version_compare( $this->client->getLibraryVersion(), '2.0', '<' ) ) { |
| 79 |
// We should set the warning about potential issue |
| 80 |
// If Google SDK has different version with already included |
| 81 |
$this->_setWarning(); |
| 82 |
|
| 83 |
$wp_upload_dir = wp_upload_dir(); |
| 84 |
$dir = $wp_upload_dir[ 'path' ]; |
| 85 |
$filename = md5( wp_generate_password() ) . '.tmp'; |
| 86 |
$path = wp_normalize_path( $dir . '/' .$filename ); |
| 87 |
@file_put_contents( $path, json_encode( $this->key_json ) ); |
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$cred = $this->client->loadServiceAccountJson( $path, ['https://www.googleapis.com/auth/devstorage.full_control'] ); |
| 89 |
$this->client->setAssertionCredentials($cred); |
| 90 |
if ($this->client->getAuth()->isAccessTokenExpired()) { |
| 91 |
$this->client->getAuth()->refreshTokenWithAssertion($cred); |
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} |
| 93 |
@unlink( $path ); |
| 94 |
} else { |
| 95 |
// May be delete warning transient if it was set |
| 96 |
$this->_deleteWarning(); |
| 97 |
$this->client->setAuthConfig($this->key_json); |
| 98 |
} |
| 99 |
|
| 100 |
if( isset( $current_blog ) && isset( $current_blog->domain ) ) { |
| 101 |
$this->client->setApplicationName( $current_blog->domain ); |
| 102 |
} else { |
| 103 |
$this->client->setApplicationName( urlencode( str_replace( array( 'http://', 'https://' ), '', get_bloginfo( 'url' ) ) ) ); |
| 104 |
} |
| 105 |
|
| 106 |
$this->client->setScopes(['https://www.googleapis.com/auth/devstorage.full_control']); |
| 107 |
|
| 108 |
// May be Loading Google SDK. Because some bad plugins may load their Google SDK with not included Google_Service_Storage. |
| 109 |
if( !class_exists( 'Google_Service_Storage' ) ) { |
| 110 |
include_once( ud_get_stateless_media()->path('lib/Google/vendor/autoload.php', 'dir') ); |
| 111 |
} |
| 112 |
|
| 113 |
/* Now, Initialize our Google Storage Service */ |
| 114 |
$this->service = new \wpCloud\StatelessMedia\Google_Client\Google_Service_Storage( $this->client ); |
| 115 |
|
| 116 |
} |
| 117 |
|
| 118 |
/** |
| 119 |
* Wrapper for listObjects() |
| 120 |
*/ |
| 121 |
public function list_objects( $options = array() ) { |
| 122 |
|
| 123 |
$options = wp_parse_args( $options, array( |
| 124 |
'delimiter' => '', |
| 125 |
'maxResults' => 1000, |
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'pageToken' => '', |
| 127 |
'prefix' => '', |
| 128 |
'projection' => 'noAcl', |
| 129 |
'versions' => false |
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) ); |
| 131 |
|
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return $this->service->objects->listObjects( $this->bucket, $options ); |
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} |
| 134 |
|
| 135 |
/** |
| 136 |
* List all items page by page of maxResults |
| 137 |
* @param $bucket |
| 138 |
* @param array $options |
| 139 |
* @return mixed |
| 140 |
*/ |
| 141 |
public function list_all_objects( $options = array() ) { |
| 142 |
|
| 143 |
$options = wp_parse_args( $options, array( |
| 144 |
'delimiter' => '', |
| 145 |
'maxResults' => 1000, |
| 146 |
'pageToken' => '', |
| 147 |
'prefix' => '', |
| 148 |
'projection' => 'noAcl', |
| 149 |
'versions' => false |
| 150 |
) ); |
| 151 |
|
| 152 |
$response = $this->service->objects->listObjects( $this->bucket, $options ); |
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|
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$this->temp_objects = array_merge( $this->temp_objects, $response->getItems() ); |
| 155 |
|
| 156 |
if ( !empty( $response->nextPageToken ) ) { |
| 157 |
$options['pageToken'] = $response->nextPageToken; |
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return $this->list_all_objects( $this->bucket, $options ); |
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} else { |
| 160 |
return $this->temp_objects; |
| 161 |
} |
| 162 |
} |
| 163 |
|
| 164 |
/** |
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* Add/Update Media Object to Bucket |
| 166 |
* |
| 167 |
* @author peshkov@UD |
| 168 |
* @param array $args |
| 169 |
* @return bool |
| 170 |
*/ |
| 171 |
public function add_media( $args = array() ) { |
| 172 |
try { |
| 173 |
|
| 174 |
@set_time_limit( -1 ); |
| 175 |
|
| 176 |
$args = wp_parse_args( $args, array( |
| 177 |
'force' => false, |
| 178 |
'name' => false, |
| 179 |
'absolutePath' => false, |
| 180 |
'mimeType' => 'image/jpeg', |
| 181 |
'metadata' => array(), |
| 182 |
'is_webp' => '', |
| 183 |
) ); |
| 184 |
$args = apply_filters('wp_stateless_add_media_args', $args); |
| 185 |
$name = $args['name']; |
| 186 |
|
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/* Be sure file exists. */ |
| 188 |
if( !file_exists( $args['absolutePath'] ) ) { |
| 189 |
return new \WP_Error( 'sm_error', __( 'Unable to locate file on disk', ud_get_stateless_media()->domain ) ); |
| 190 |
} |
| 191 |
|
| 192 |
/* Set default name if parameter was not passed. */ |
| 193 |
if( empty( $name ) ) { |
| 194 |
$name = basename( $args['name'] ); |
| 195 |
} |
| 196 |
|
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$name = apply_filters( 'wp_stateless_file_name', $name ); |
| 198 |
|
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// If media exists we just return it |
| 200 |
if ( !$args['force'] && $media = $this->media_exists( $name ) ) { |
| 201 |
if($media->getCacheControl() != $args['cacheControl']){ |
| 202 |
$media->setCacheControl($args['cacheControl']); |
| 203 |
$media = $this->service->objects->patch($this->bucket, $name, $media); |
| 204 |
} |
| 205 |
return get_object_vars( $media ); |
| 206 |
} |
| 207 |
|
| 208 |
$media = new \wpCloud\StatelessMedia\Google_Client\Google_Service_Storage_StorageObject(); |
| 209 |
$media->setName($name); |
| 210 |
$media->setMetadata($args['metadata']); |
| 211 |
|
| 212 |
if (isset($args['cacheControl'])) { |
| 213 |
$media->setCacheControl($args['cacheControl']); |
| 214 |
} |
| 215 |
|
| 216 |
if (isset($args['contentEncoding'])) { |
| 217 |
$media->setContentEncoding($args['contentEncoding']); |
| 218 |
} |
| 219 |
|
| 220 |
if (isset($args['contentDisposition'])) { |
| 221 |
$media->getContentDisposition($args['contentDisposition']); |
| 222 |
} |
| 223 |
|
| 224 |
/* Upload Media file to Google storage */ |
| 225 |
$media = $this->service->objects->insert($this->bucket, $media, array_filter(array( |
| 226 |
'data' => file_get_contents($args['absolutePath']), |
| 227 |
'uploadType' => 'media', |
| 228 |
'mimeType' => $args['mimeType'], |
| 229 |
'predefinedAcl' => 'bucketOwnerFullControl', |
| 230 |
))); |
| 231 |
|
| 232 |
$this->mediaInsertACL($media); |
| 233 |
|
| 234 |
} catch( Exception $e ) { |
| 235 |
return new WP_Error( 'sm_error', $e->getMessage() ); |
| 236 |
} |
| 237 |
return get_object_vars( $media ); |
| 238 |
} |
| 239 |
|
| 240 |
/** |
| 241 |
* |
| 242 |
* |
| 243 |
*/ |
| 244 |
public function mediaInsertACL($media){ |
| 245 |
/* Make Media Public READ for all on success */ |
| 246 |
if (!empty($media->name)) { |
| 247 |
$acl = new \wpCloud\StatelessMedia\Google_Client\Google_Service_Storage_ObjectAccessControl(); |
| 248 |
$acl->setEntity('allUsers'); |
| 249 |
$acl->setRole('READER'); |
| 250 |
|
| 251 |
$this->service->objectAccessControls->insert($this->bucket, $media->name, $acl); |
| 252 |
} |
| 253 |
} |
| 254 |
|
| 255 |
/** |
| 256 |
* get or save media file |
| 257 |
* @param $path |
| 258 |
* @param bool $save |
| 259 |
* @param bool $save_path |
| 260 |
* @return bool|\Google_Service_Storage_StorageObject|int |
| 261 |
*/ |
| 262 |
public function get_media( $path, $save = false, $save_path = false ) { |
| 263 |
try { |
| 264 |
$media = $this->service->objects->get($this->bucket, $path); |
| 265 |
} catch ( \Exception $e ) { |
| 266 |
return false; |
| 267 |
} |
| 268 |
|
| 269 |
if ( empty( $media->id ) ) return false; |
| 270 |
|
| 271 |
if ( $save && $save_path ) { |
| 272 |
if ( !file_exists( $_dir = dirname( $save_path ) ) ) { |
| 273 |
wp_mkdir_p( $_dir ); |
| 274 |
} |
| 275 |
return $this->client->getHttpClient()->get($media->getMediaLink(), ['save_to' => $save_path] )->getStatusCode(); |
| 276 |
} |
| 277 |
|
| 278 |
return $media; |
| 279 |
} |
| 280 |
|
| 281 |
/** |
| 282 |
* get or save media file |
| 283 |
* @param $path |
| 284 |
* @param bool $save |
| 285 |
* @param bool $save_path |
| 286 |
* @return bool|\Google_Service_Storage_StorageObject|int |
| 287 |
*/ |
| 288 |
public function copy_media( $path, $new_path ) { |
| 289 |
try { |
| 290 |
$media = $this->service->objects->get($this->bucket, $path); |
| 291 |
$media = $this->service->objects->copy($this->bucket, $path, $this->bucket, $new_path, $media); |
| 292 |
$this->mediaInsertACL($media); |
| 293 |
} catch ( \Exception $e ) { |
| 294 |
return false; |
| 295 |
} |
| 296 |
|
| 297 |
if ( empty( $media->id ) ) return false; |
| 298 |
|
| 299 |
return $media; |
| 300 |
} |
| 301 |
|
| 302 |
/** |
| 303 |
* get or save media file |
| 304 |
* @param $path |
| 305 |
* @param bool $save |
| 306 |
* @param bool $save_path |
| 307 |
* @return bool|\Google_Service_Storage_StorageObject|int |
| 308 |
*/ |
| 309 |
public function move_media( $path, $new_path ) { |
| 310 |
try { |
| 311 |
$media = $this->copy_media($path, $new_path); |
| 312 |
$this->remove_media($path); |
| 313 |
} catch ( \Exception $e ) { |
| 314 |
return false; |
| 315 |
} |
| 316 |
|
| 317 |
if ( empty( $media->id ) ) return false; |
| 318 |
|
| 319 |
return $media; |
| 320 |
} |
| 321 |
|
| 322 |
/** |
| 323 |
* Check if media exists |
| 324 |
* @param $path |
| 325 |
* @return bool |
| 326 |
*/ |
| 327 |
public function media_exists( $path ) { |
| 328 |
try { |
| 329 |
$media = $this->service->objects->get($this->bucket, $path); |
| 330 |
// Here we wanted to check if access allowed, but noticed it actually sets this ACL... Leaving it as is. @author korotkov@ud |
| 331 |
$this->service->objectAccessControls->get($this->bucket, $path, 'allUsers'); |
| 332 |
} catch ( \Exception $e ) { |
| 333 |
return false; |
| 334 |
} |
| 335 |
|
| 336 |
if ( empty( $media->id ) ) return false; |
| 337 |
return $media; |
| 338 |
} |
| 339 |
|
| 340 |
/** |
| 341 |
* Fired for every file remove action |
| 342 |
* |
| 343 |
* @author peshkov@UD |
| 344 |
* @param string $name |
| 345 |
* @return bool |
| 346 |
*/ |
| 347 |
public function remove_media( $name ) { |
| 348 |
try { |
| 349 |
$name = apply_filters( 'wp_stateless_file_name', $name ); |
| 350 |
$this->service->objects->delete( $this->bucket, $name ); |
| 351 |
} catch( Exception $e ) { |
| 352 |
return new WP_Error( 'sm_error', $e->getMessage() ); |
| 353 |
} |
| 354 |
return true; |
| 355 |
} |
| 356 |
|
| 357 |
/** |
| 358 |
* Tests connection to Google Storage |
| 359 |
* by trying to get passed bucket's data. |
| 360 |
* |
| 361 |
* @author peshkov@UD |
| 362 |
*/ |
| 363 |
public function is_connected() { |
| 364 |
try { |
| 365 |
$this->service->buckets->get( $this->bucket ); |
| 366 |
} catch( Exception $e ) { |
| 367 |
return $e; |
| 368 |
} |
| 369 |
return true; |
| 370 |
} |
| 371 |
|
| 372 |
/** |
| 373 |
* Determine if instance already exists and Return Instance |
| 374 |
* |
| 375 |
* @param array $args |
| 376 |
* |
| 377 |
* $args |
| 378 |
* @param string client_id |
| 379 |
* @param string service_account_name |
| 380 |
* @param string key_file_path |
| 381 |
* |
| 382 |
* @author peshkov@UD |
| 383 |
* @return \wpCloud\StatelessMedia\GS_Client |
| 384 |
*/ |
| 385 |
public static function get_instance( $args ) { |
| 386 |
if( null === self::$instance ) { |
| 387 |
|
| 388 |
try { |
| 389 |
|
| 390 |
if( empty( $args[ 'bucket' ] ) ) { |
| 391 |
throw new Exception( __( '<b>Bucket</b> parameter must be provided.' ) ); |
| 392 |
} |
| 393 |
|
| 394 |
$json = "{}"; |
| 395 |
|
| 396 |
if ( !empty( $args[ 'key_json' ] ) ) { |
| 397 |
$json = json_decode($args['key_json']); |
| 398 |
} |
| 399 |
|
| 400 |
if( !$json || !property_exists($json, 'private_key') ){ |
| 401 |
throw new Exception( __( '<b>Service Account JSON</b> is invalid.' ) ); |
| 402 |
} |
| 403 |
|
| 404 |
self::$instance = new self( $args ); |
| 405 |
} catch( Exception $e ) { |
| 406 |
return new WP_Error( 'sm_error', $e->getMessage() ); |
| 407 |
} |
| 408 |
} |
| 409 |
return self::$instance; |
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* Set warning about potential conflict with Google SDK |
| 414 |
* |
| 415 |
* @since 2.0.1 |
| 416 |
*/ |
| 417 |
private function _setWarning() { |
| 418 |
|
| 419 |
$reflector = new \ReflectionClass('Google_Client'); |
| 420 |
$pluginBasename = wp_normalize_path( plugin_basename( $reflector->getFileName() ) ); |
| 421 |
|
| 422 |
// Check if get_plugins() function exists. This is required on the front end of the |
| 423 |
// site, since it is in a file that is normally only loaded in the admin. |
| 424 |
if ( ! function_exists( 'get_plugins' ) ) { |
| 425 |
require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 426 |
} |
| 427 |
|
| 428 |
$pluginBasenameParts = explode( '/', $pluginBasename ); |
| 429 |
$pluginName = __( "UNDEFINED", ud_get_stateless_media()->domain ); |
| 430 |
|
| 431 |
foreach( get_plugins() as $path => $meta ) { |
| 432 |
if( strpos( $path, trailingslashit( $pluginBasenameParts[0] ) ) === 0 ) { |
| 433 |
$pluginName = $meta['Name']; |
| 434 |
} |
| 435 |
}; |
| 436 |
|
| 437 |
$error = sprintf( __( "%s plugin may have potential Google SDK version conflicts with %s plugin. %s is using Google SDK %s, when %s loads old Google SDK version %s.", ud_get_stateless_media()->domain ), |
| 438 |
"<b>" . 'WP-Stateless' . "</b>", |
| 439 |
"<b>" . $pluginName . "</b>", |
| 440 |
'WP-Stateless', |
| 441 |
"<b>v2.0</b>", |
| 442 |
$pluginName, |
| 443 |
"<b>v" . \wpCloud\StatelessMedia\Google_Client\Google_Client::LIBVER . "</b>" |
| 444 |
); |
| 445 |
|
| 446 |
set_transient( "wp_stateless_google_sdk_conflict", $error ); |
| 447 |
} |
| 448 |
|
| 449 |
/** |
| 450 |
* Removes Warning if it exists |
| 451 |
* |
| 452 |
*/ |
| 453 |
private function _deleteWarning() { |
| 454 |
delete_transient( "wp_stateless_google_sdk_conflict" ); |
| 455 |
} |
| 456 |
|
| 457 |
} |
| 458 |
|
| 459 |
} |
| 460 |
|
| 461 |
} |
| 462 |
|
