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<title>[47947] trunk: Embeds: Ensure that the title attribute is set correctly on embeds.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/47947">47947</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/47947","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>whyisjake</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2020-06-10 16:34:18 +0000 (Wed, 10 Jun 2020)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Embeds: Ensure that the title attribute is set correctly on embeds.
Props xknown.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesdefaultfiltersphp">trunk/src/wp-includes/default-filters.php</a></li>
<li><a href="#trunksrcwpincludesembedphp">trunk/src/wp-includes/embed.php</a></li>
<li><a href="#trunktestsphpunittestsoembedfilterResultphp">trunk/tests/phpunit/tests/oembed/filterResult.php</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesdefaultfiltersphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/default-filters.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/default-filters.php 2020-06-10 16:17:13 UTC (rev 47946)
+++ trunk/src/wp-includes/default-filters.php 2020-06-10 16:34:18 UTC (rev 47947)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -582,8 +582,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> add_filter( 'the_excerpt_embed', 'shortcode_unautop' );
</span><span class="cx" style="display: block; padding: 0 10px"> add_filter( 'the_excerpt_embed', 'wp_embed_excerpt_attachment' );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+add_filter( 'oembed_dataparse', 'wp_filter_oembed_iframe_title_attribute', 5, 3 );
</ins><span class="cx" style="display: block; padding: 0 10px"> add_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10, 3 );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-add_filter( 'oembed_dataparse', 'wp_filter_oembed_iframe_title_attribute', 20, 3 );
</del><span class="cx" style="display: block; padding: 0 10px"> add_filter( 'oembed_response_data', 'get_oembed_response_data_rich', 10, 4 );
</span><span class="cx" style="display: block; padding: 0 10px"> add_filter( 'pre_oembed_result', 'wp_filter_pre_oembed_result', 10, 3 );
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre></div>
<a id="trunksrcwpincludesembedphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/embed.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/embed.php 2020-06-10 16:17:13 UTC (rev 47946)
+++ trunk/src/wp-includes/embed.php 2020-06-10 16:34:18 UTC (rev 47947)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -806,13 +806,26 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $title = ! empty( $data->title ) ? $data->title : '';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $pattern = '`<iframe[^>]*?title=(\\\\\'|\\\\"|[\'"])([^>]*?)\1`i';
- $has_title_attr = preg_match( $pattern, $result, $matches );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $pattern = '`<iframe([^>]*)>`i';
+ if ( preg_match( $pattern, $result, $matches ) ) {
+ $attrs = wp_kses_hair( $matches[1], wp_allowed_protocols() );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( $has_title_attr && ! empty( $matches[2] ) ) {
- $title = $matches[2];
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ foreach ( $attrs as $attr => $item ) {
+ $lower_attr = strtolower( $attr );
+ if ( $lower_attr === $attr ) {
+ continue;
+ }
+ if ( ! isset( $attrs[ $lower_attr ] ) ) {
+ $attrs[ $lower_attr ] = $item;
+ unset( $attrs[ $attr ] );
+ }
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! empty( $attrs['title']['value'] ) ) {
+ $title = $attrs['title']['value'];
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Filters the title attribute of the given oEmbed HTML iframe.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -829,11 +842,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return $result;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( $has_title_attr ) {
- // Remove the old title, $matches[1]: quote, $matches[2]: title attribute value.
- $result = str_replace( ' title=' . $matches[1] . $matches[2] . $matches[1], '', $result );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( isset( $attrs['title'] ) ) {
+ unset( $attrs['title'] );
+ $attr_string = join( ' ', wp_list_pluck( $attrs, 'whole' ) );
+ $result = str_replace( $matches[0], '<iframe ' . trim( $attr_string ) . '>', $result );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
</del><span class="cx" style="display: block; padding: 0 10px"> return str_ireplace( '<iframe ', sprintf( '<iframe title="%s" ', esc_attr( $title ) ), $result );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre></div>
<a id="trunktestsphpunittestsoembedfilterResultphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/oembed/filterResult.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/oembed/filterResult.php 2020-06-10 16:17:13 UTC (rev 47946)
+++ trunk/tests/phpunit/tests/oembed/filterResult.php 2020-06-10 16:34:18 UTC (rev 47947)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -93,7 +93,41 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( '<blockquote class="wp-embedded-content"><a href=""></a></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"></iframe>', $actual );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function _data_oembed_test_strings() {
+ return array(
+ array(
+ '<blockquote></blockquote><iframe title=""></iframe>',
+ '<blockquote class="wp-embedded-content"></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" title="Hola"></iframe>',
+ ),
+ array(
+ '<blockquote class="foo" id="bar"><strong><a href="" target=""></a></strong></blockquote><iframe width=123></iframe>',
+ '<blockquote class="wp-embedded-content"><a href=""></a></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" title="Hola" width="123"></iframe>',
+ ),
+ array(
+ '<blockquote><iframe width="100"></iframe></blockquote><iframe stitle="aaaa"></iframe>',
+ '<blockquote class="wp-embedded-content"><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" title="Hola" width="100"></iframe></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" title="Hola"></iframe>',
+ ),
+ array(
+ "<blockquote><iframe title=' width=\"'></iframe></blockquote><iframe title='' height=' title=' width=\"'' heigt='123'\"></iframe>",
+ '<blockquote class="wp-embedded-content"><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" title=" width=""></iframe></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" title=" width="" height=\' title=\' width="\'\' heigt=\'123\'"></iframe>',
+ ),
+ );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @dataProvider _data_oembed_test_strings
+ */
+ public function test_wp_filter_pre_oembed_custom_result( $html, $expected ) {
+ $data = (object) array(
+ 'type' => 'rich',
+ 'title' => 'Hola',
+ 'html' => $html,
+ );
+ $actual = _wp_oembed_get_object()->data2html( $data, 'https://untrusted.localhost' );
+ $this->assertEquals( $expected, $actual );
+ }
+
+ /**
</ins><span class="cx" style="display: block; padding: 0 10px"> * @group feed
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function test_filter_feed_content() {
</span></span></pre>
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