← All changes | jetpack_vendor/automattic/jetpack-sync/src/class-json-deflate-array-codec.php +100 -0 16.2-beta → 16.3 View file →

		@@ -1,0 +1,100 @@
	1	+<?php
	2	+/**
	3	+ * An implementation of Automattic\Jetpack\Sync\Codec_Interface that uses gzip's DEFLATE
	4	+ * algorithm to compress objects serialized using json_encode.
	5	+ *
	6	+ * @package automattic/jetpack-sync
	7	+ */
	8	+
	9	+namespace Automattic\Jetpack\Sync;
	10	+
	11	+if ( ! defined( 'ABSPATH' ) ) {
	12	+ exit( 0 );
	13	+}
	14	+
	15	+/**
	16	+ * An implementation of Automattic\Jetpack\Sync\Codec_Interface that uses gzip's DEFLATE
	17	+ * algorithm to compress objects serialized using json_encode
	18	+ */
	19	+class JSON_Deflate_Array_Codec implements Codec_Interface {
	20	+ const CODEC_NAME = 'deflate-json-array';
	21	+
	22	+ /**
	23	+ * Return the name of the codec.
	24	+ *
	25	+ * @return string
	26	+ */
	27	+ public function name() {
	28	+ return self::CODEC_NAME;
	29	+ }
	30	+
	31	+ /**
	32	+ * Encodes an object.
	33	+ *
	34	+ * @param object $object Item to encode.
	35	+ * @return string
	36	+ */
	37	+ public function encode( $object ) {
	38	+ return base64_encode( gzdeflate( $this->json_serialize( $object ) ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
	39	+ }
	40	+
	41	+ /**
	42	+ * Decode compressed serialized value.
	43	+ *
	44	+ * @param string $input Item to decode.
	45	+ * @return array|mixed|object
	46	+ */
	47	+ public function decode( $input ) {
	48	+ $decoded = base64_decode( $input ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
	49	+ $inflated = @gzinflate( $decoded ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
	50	+
	51	+ return is_string( $inflated ) ? $this->json_unserialize( $inflated ) : null;
	52	+ }
	53	+
	54	+ /**
	55	+ * Serialize JSON
	56	+ *
	57	+ * @see https://gist.github.com/muhqu/820694
	58	+ *
	59	+ * @param mixed $any Value to serialize and wrap.
	60	+ *
	61	+ * @return false|string
	62	+ */
	63	+ protected function json_serialize( $any ) {
	64	+ return wp_json_encode( Functions::json_wrap( $any ), JSON_UNESCAPED_SLASHES );
	65	+ }
	66	+
	67	+ /**
	68	+ * Unserialize JSON
	69	+ *
	70	+ * @param string $str JSON string.
	71	+ * @return array|object Unwrapped JSON.
	72	+ */
	73	+ protected function json_unserialize( $str ) {
	74	+ return $this->json_unwrap( json_decode( $str, true ) );
	75	+ }
	76	+
	77	+ /**
	78	+ * Unwraps a json_decode return.
	79	+ *
	80	+ * @param array|object $any json_decode object.
	81	+ * @return array|object
	82	+ */
	83	+ private function json_unwrap( $any ) {
	84	+ if ( is_array( $any ) ) {
	85	+ foreach ( $any as $k => $v ) {
	86	+ if ( '__o' === $k ) {
	87	+ continue;
	88	+ }
	89	+ $any[ $k ] = $this->json_unwrap( $v );
	90	+ }
	91	+
	92	+ if ( isset( $any['__o'] ) ) {
	93	+ unset( $any['__o'] );
	94	+ $any = (object) $any;
	95	+ }
	96	+ }
	97	+
	98	+ return $any;
	99	+ }
	100	+}