Commit realizado el 12:13:52 08-04-2024

2024-04-08 12:13:55 -04:00
commit 0c33094de9
7815 changed files with 1365694 additions and 0 deletions
--- a/wp-content/plugins/web-stories/includes/AMP/Meta_Sanitizer.php
+++ b/wp-content/plugins/web-stories/includes/AMP/Meta_Sanitizer.php
@@ -0,0 +1,124 @@
+<?php
+/**
+ * Class Meta_Sanitizer.
+ *
+ * @link      https://github.com/googleforcreators/web-stories-wp
+ *
+ * @copyright 2020 Google LLC
+ * @license   https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
+ */
+
+/**
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+declare(strict_types = 1);
+
+namespace Google\Web_Stories\AMP;
+
+use Google\Web_Stories_Dependencies\AMP_Meta_Sanitizer;
+use Google\Web_Stories_Dependencies\AmpProject\Html\Attribute;
+use Google\Web_Stories_Dependencies\AmpProject\Html\Tag;
+
+/**
+ * Meta sanitizer.
+ *
+ * Sanitizes meta tags found in the header.
+ *
+ * This version avoids using amp_get_boilerplate_stylesheets().
+ *
+ * @since 1.1.0
+ *
+ * @see amp_get_boilerplate_stylesheets()
+ * @see AMP_Meta_Sanitizer
+ */
+class Meta_Sanitizer extends AMP_Meta_Sanitizer {
+	/**
+	 * Always ensure we have a style[amp-boilerplate] and a noscript>style[amp-boilerplate].
+	 *
+	 * The AMP boilerplate ({@link https://amp.dev/documentation/guides-and-tutorials/stories/learn/spec/amp-boilerplate}) styles should appear at the end of the head:
+	 * "Finally, specify the AMP boilerplate code. By putting the boilerplate code last, it prevents custom styles from
+	 * accidentally overriding the boilerplate css rules."
+	 *
+	 * @SuppressWarnings(PHPMD.NPathComplexity)
+	 *
+	 * @since 1.1.0
+	 *
+	 * @link https://amp.dev/documentation/guides-and-tutorials/optimize-and-measure/optimize_amp/#optimize-the-amp-runtime-loading
+	 */
+	protected function ensure_boilerplate_is_present(): void {
+		$style  = null;
+		$styles = $this->dom->xpath->query( './style[ @amp-boilerplate ]', $this->dom->head );
+
+		if ( $styles ) {
+			$style = $styles->item( 0 );
+		}
+
+		if ( ! $style ) {
+			$style = $this->dom->createElement( Tag::STYLE );
+			if ( $style ) {
+				$style->setAttribute( Attribute::AMP_BOILERPLATE, '' );
+				$style->appendChild( $this->dom->createTextNode( $this->get_boilerplate_stylesheets()[0] ) );
+			}
+		} elseif ( $style->parentNode ) {
+			$style->parentNode->removeChild( $style ); // So we can move it.
+		}
+		if ( $style ) {
+			$this->dom->head->appendChild( $style );
+		}
+
+		$noscript  = null;
+		$noscripts = $this->dom->xpath->query( './noscript[ style[ @amp-boilerplate ] ]', $this->dom->head );
+
+		if ( $noscripts ) {
+			$noscript = $noscripts->item( 0 );
+		}
+
+		if ( ! $noscript ) {
+			$noscript = $this->dom->createElement( Tag::NOSCRIPT );
+			$style    = $this->dom->createElement( Tag::STYLE );
+			if ( $style && $noscript ) {
+				$style->setAttribute( Attribute::AMP_BOILERPLATE, '' );
+				$style->appendChild( $this->dom->createTextNode( $this->get_boilerplate_stylesheets()[1] ) );
+				$noscript->appendChild( $style );
+			}
+		} elseif ( $noscript->parentNode ) {
+			$noscript->parentNode->removeChild( $noscript ); // So we can move it.
+		}
+
+		if ( $noscript ) {
+			$this->dom->head->appendChild( $noscript );
+		}
+	}
+
+	/**
+	 * Get AMP boilerplate stylesheets.
+	 *
+	 * Clone of amp_get_boilerplate_stylesheets().
+	 *
+	 * @since 1.1.0
+	 *
+	 * @link https://www.ampproject.org/docs/reference/spec#boilerplate
+	 * @see amp_get_boilerplate_stylesheets()
+	 *
+	 * @return string[] Stylesheets, where first is contained in style[amp-boilerplate] and the second in noscript>style[amp-boilerplate].
+	 */
+	protected function get_boilerplate_stylesheets(): array {
+		return [
+			'body{-webkit-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-moz-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-ms-animation:-amp-start 8s steps(1,end) 0s 1 normal both;animation:-amp-start 8s steps(1,end) 0s 1 normal both}@-webkit-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}',
+			'body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}',
+		];
+	}
+}