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<title>[47648] branches/4.9: Customize: Add additional filters to Customizer to prevent JSON corruption.</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/47648">47648</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/47648","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>2020-04-29 16:15:39 +0000 (Wed, 29 Apr 2020)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Customize: Add additional filters to Customizer to prevent JSON corruption.
User: Invalidate `user_activation_key` on password update.
Query: Ensure that only a single post can be returned on date/time based queries.
Cache API: Ensure proper escaping around the stats method in the cache API.
Formatting: Expand `sanitize_file_name` to have better support for utf8 characters.
Brings the changes in <a href="https://core.trac.wordpress.org/changeset/47633">[47633]</a>, <a href="https://core.trac.wordpress.org/changeset/47634">[47634]</a>, <a href="https://core.trac.wordpress.org/changeset/47635">[47635]</a>, <a href="https://core.trac.wordpress.org/changeset/47637">[47637]</a>, and <a href="https://core.trac.wordpress.org/changeset/47638">[47638]</a> to the 4.9 branch.
Props: batmoo, ehti, nickdaugherty, peterwilsoncc, sergeybiryukov, sstoqnov, westi, westonruter, whyisjake, whyisjake, xknown.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches49srcwpincludescachephp">branches/4.9/src/wp-includes/cache.php</a></li>
<li><a href="#branches49srcwpincludesclasswpcustomizemanagerphp">branches/4.9/src/wp-includes/class-wp-customize-manager.php</a></li>
<li><a href="#branches49srcwpincludesclasswpqueryphp">branches/4.9/src/wp-includes/class-wp-query.php</a></li>
<li><a href="#branches49srcwpincludesformattingphp">branches/4.9/src/wp-includes/formatting.php</a></li>
<li><a href="#branches49srcwpincludespostphp">branches/4.9/src/wp-includes/post.php</a></li>
<li><a href="#branches49srcwpincludesuserphp">branches/4.9/src/wp-includes/user.php</a></li>
<li><a href="#branches49testsphpunittestscustomizemanagerphp">branches/4.9/tests/phpunit/tests/customize/manager.php</a></li>
<li><a href="#branches49testsphpunittestsformattingSanitizeFileNamephp">branches/4.9/tests/phpunit/tests/formatting/SanitizeFileName.php</a></li>
<li><a href="#branches49testsphpunittestsuserphp">branches/4.9/tests/phpunit/tests/user.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches49">branches/4.9/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.9
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.9 2020-04-29 16:13:02 UTC (rev 47647)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.9 2020-04-29 16:15:39 UTC (rev 47648)
</ins><a id="branches49"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.9</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/4.8:42204
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.0:43807,43988,43994,44014,44017,44047,45005
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42150,42152-42153,42155,42157,42159,42161,42163,42169,42171,42173,42175,42177,42181,42183,42185,42187,42189,42191,42193,42199,42203,42210,42214,42220,42222,42226,42242,42244,42247,42251,42256-42261,42350,42358,42362,42364-42368,42374,42388,42390,42401,42417,42421,42423-42425,42430,42432-42433,42437,42441,42443,42446-42447,42449,42451,42453,42457,42459,42462,42491,42521,42529,42531,42533,42536,42538,42541,42543,42545,42549,42566,42568,42570,42572,42574,42576,42579,42581-42582,42584-42585,42587-42588,42590,42592,42594-42595,42598-42599,42602,42604,42606,42611-42613,42615,42617,42624-42625,42639,42648,42652-42653,42665,42676,42687,42695,42697,42702,42711,42713,42719,42722,42726,42728,42739-42740,42744,42758,42772,42791-42792,42801,42814-42815,42817-42818,42823,42830,42837,42839,42841,42844,42851-42852,42860,42864,42881,42888-42889
,42892-42894,42930,42964,42967,42971-42972,42977-42978,42980-42982,42985-42987,42989,42992,42994-42995,42998-42999,43001-43004,43007-43008,43011-43012,43014-43015,43025,43027,43030,43032,43034,43036,43039,43042,43044-43049,43051-43063,43065,43081,43085,43087-43089,43091,43104,43116,43118,43120-43121,43123,43125-43126,43131-43132,43135,43137,43139,43145-43148,43150,43154-43155,43158,43160,43162,43166,43168,43170,43172,43175,43180-43181,43183-43185,43189,43191,43193,43195,43197,43199,43201,43203,43206,43208,43210-43212,43216,43218,43220,43222-43223,43226,43228,43230,43232,43234,43236,43238,43242-43243,43245-43246,43248-43251,43256,43259-43260,43263,43265,43267,43269,43274-43275,43278-43279,43282,43284,43286,43290-43293,43299,43303-43304,43313,43315,43317,43331,43337,43343,43350,43353,43356,43361-43363,43365,43367,43370-43371,43373-43376,43379,43388,43390,43435,43437,43439-43440,43446-43447,43451,43454,43457,43460,43462-43467,43469,43471,43475,43477-43478,43480,43486,43491,43493,43495,
43499,43504,43506,43508,43511-43513,43518,43525,43527,43529,43531,43541,43550,43559,43567,43580,43593,43597,43599,43609,43636,43638,43653,44021,44048,44833,44842,44993,45936,45971,45990,45997,46893,46895,47341
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42150,42152-42153,42155,42157,42159,42161,42163,42169,42171,42173,42175,42177,42181,42183,42185,42187,42189,42191,42193,42199,42203,42210,42214,42220,42222,42226,42242,42244,42247,42251,42256-42261,42350,42358,42362,42364-42368,42374,42388,42390,42401,42417,42421,42423-42425,42430,42432-42433,42437,42441,42443,42446-42447,42449,42451,42453,42457,42459,42462,42491,42521,42529,42531,42533,42536,42538,42541,42543,42545,42549,42566,42568,42570,42572,42574,42576,42579,42581-42582,42584-42585,42587-42588,42590,42592,42594-42595,42598-42599,42602,42604,42606,42611-42613,42615,42617,42624-42625,42639,42648,42652-42653,42665,42676,42687,42695,42697,42702,42711,42713,42719,42722,42726,42728,42739-42740,42744,42758,42772,42791-42792,42801,42814-42815,42817-42818,42823,42830,42837,42839,42841,42844,42851-42852,42860,42864,42881,42888-42889
,42892-42894,42930,42964,42967,42971-42972,42977-42978,42980-42982,42985-42987,42989,42992,42994-42995,42998-42999,43001-43004,43007-43008,43011-43012,43014-43015,43025,43027,43030,43032,43034,43036,43039,43042,43044-43049,43051-43063,43065,43081,43085,43087-43089,43091,43104,43116,43118,43120-43121,43123,43125-43126,43131-43132,43135,43137,43139,43145-43148,43150,43154-43155,43158,43160,43162,43166,43168,43170,43172,43175,43180-43181,43183-43185,43189,43191,43193,43195,43197,43199,43201,43203,43206,43208,43210-43212,43216,43218,43220,43222-43223,43226,43228,43230,43232,43234,43236,43238,43242-43243,43245-43246,43248-43251,43256,43259-43260,43263,43265,43267,43269,43274-43275,43278-43279,43282,43284,43286,43290-43293,43299,43303-43304,43313,43315,43317,43331,43337,43343,43350,43353,43356,43361-43363,43365,43367,43370-43371,43373-43376,43379,43388,43390,43435,43437,43439-43440,43446-43447,43451,43454,43457,43460,43462-43467,43469,43471,43475,43477-43478,43480,43486,43491,43493,43495,
43499,43504,43506,43508,43511-43513,43518,43525,43527,43529,43531,43541,43550,43559,43567,43580,43593,43597,43599,43609,43636,43638,43653,44021,44048,44833,44842,44993,45936,45971,45990,45997,46893,46895,47341,47633-47635,47637-47638
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches49srcwpincludescachephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-includes/cache.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-includes/cache.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/src/wp-includes/cache.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -668,7 +668,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> echo "</p>";
</span><span class="cx" style="display: block; padding: 0 10px"> echo '<ul>';
</span><span class="cx" style="display: block; padding: 0 10px"> foreach ($this->cache as $group => $cache) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- echo "<li><strong>Group:</strong> $group - ( " . number_format( strlen( serialize( $cache ) ) / KB_IN_BYTES, 2 ) . 'k )</li>';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ echo '<li><strong>Group:</strong> ' . esc_html( $group ) . ' - ( ' . number_format( strlen( serialize( $cache ) ) / KB_IN_BYTES, 2 ) . 'k )</li>';
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> echo '</ul>';
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="branches49srcwpincludesclasswpcustomizemanagerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-includes/class-wp-customize-manager.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-includes/class-wp-customize-manager.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/src/wp-includes/class-wp-customize-manager.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2859,13 +2859,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->store_changeset_revision = $allow_revision;
</span><span class="cx" style="display: block; padding: 0 10px"> add_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ), 5, 3 );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // Update the changeset post. The publish_customize_changeset action will cause the settings in the changeset to be saved via WP_Customize_Setting::save().
- $has_kses = ( false !== has_filter( 'content_save_pre', 'wp_filter_post_kses' ) );
- if ( $has_kses ) {
- kses_remove_filters(); // Prevent KSES from corrupting JSON in post_content.
- }
-
- // Note that updating a post with publish status will trigger WP_Customize_Manager::publish_changeset_values().
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /*
+ * Update the changeset post. The publish_customize_changeset action will cause the settings in the
+ * changeset to be saved via WP_Customize_Setting::save(). Updating a post with publish status will
+ * trigger WP_Customize_Manager::publish_changeset_values().
+ */
+ add_filter( 'wp_insert_post_data', array( $this, 'preserve_insert_changeset_post_content' ), 5, 3 );
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( $changeset_post_id ) {
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $args['autosave'] && 'auto-draft' !== get_post_status( $changeset_post_id ) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> // See _wp_translate_postdata() for why this is required as it will use the edit_post meta capability.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2892,9 +2891,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->_changeset_post_id = $r; // Update cached post ID for the loaded changeset.
</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_kses ) {
- kses_init_filters();
- }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ remove_filter( 'wp_insert_post_data', array( $this, 'preserve_insert_changeset_post_content' ), 5 );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $this->_changeset_data = null; // Reset so WP_Customize_Manager::changeset_data() will re-populate with updated contents.
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> remove_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ) );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2912,6 +2911,51 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</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">+ * Preserve the initial JSON post_content passed to save into the post.
+ *
+ * This is needed to prevent KSES and other {@see 'content_save_pre'} filters
+ * from corrupting JSON data.
+ *
+ * Note that WP_Customize_Manager::validate_setting_values() have already
+ * run on the setting values being serialized as JSON into the post content
+ * so it is pre-sanitized.
+ *
+ * Also, the sanitization logic is re-run through the respective
+ * WP_Customize_Setting::sanitize() method when being read out of the
+ * changeset, via WP_Customize_Manager::post_value(), and this sanitized
+ * value will also be sent into WP_Customize_Setting::update() for
+ * persisting to the DB.
+ *
+ * Multiple users can collaborate on a single changeset, where one user may
+ * have the unfiltered_html capability but another may not. A user with
+ * unfiltered_html may add a script tag to some field which needs to be kept
+ * intact even when another user updates the changeset to modify another field
+ * when they do not have unfiltered_html.
+ *
+ * @since 5.4.1
+ *
+ * @param array $data An array of slashed and processed post data.
+ * @param array $postarr An array of sanitized (and slashed) but otherwise unmodified post data.
+ * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as originally passed to wp_insert_post().
+ * @return array Filtered post data.
+ */
+ public function preserve_insert_changeset_post_content( $data, $postarr, $unsanitized_postarr ) {
+ if (
+ isset( $data['post_type'] ) &&
+ isset( $unsanitized_postarr['post_content'] ) &&
+ 'customize_changeset' === $data['post_type'] ||
+ (
+ 'revision' === $data['post_type'] &&
+ ! empty( $data['post_parent'] ) &&
+ 'customize_changeset' === get_post_type( $data['post_parent'] )
+ )
+ ) {
+ $data['post_content'] = $unsanitized_postarr['post_content'];
+ }
+ return $data;
+ }
+
+ /**
</ins><span class="cx" style="display: block; padding: 0 10px"> * Trash or delete a changeset post.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * The following re-formulates the logic from `wp_trash_post()` as done in
</span></span></pre></div>
<a id="branches49srcwpincludesclasswpqueryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-includes/class-wp-query.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-includes/class-wp-query.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/src/wp-includes/class-wp-query.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -759,10 +759,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->is_single = true;
</span><span class="cx" style="display: block; padding: 0 10px"> } elseif ( $qv['p'] ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $this->is_single = true;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- } elseif ( ('' !== $qv['hour']) && ('' !== $qv['minute']) &&('' !== $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day']) ) {
- // If year, month, day, hour, minute, and second are set, a single
- // post is being queried.
- $this->is_single = true;
</del><span class="cx" style="display: block; padding: 0 10px"> } elseif ( '' != $qv['pagename'] || !empty($qv['page_id']) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $this->is_page = true;
</span><span class="cx" style="display: block; padding: 0 10px"> $this->is_single = false;
</span></span></pre></div>
<a id="branches49srcwpincludesformattingphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-includes/formatting.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-includes/formatting.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/src/wp-includes/formatting.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1776,6 +1776,24 @@
</span><span class="cx" style="display: block; padding: 0 10px"> function sanitize_file_name( $filename ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $filename_raw = $filename;
</span><span class="cx" style="display: block; padding: 0 10px"> $special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", "%", "+", chr(0));
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ // Check for support for utf8 in the installed PCRE library once and store the result in a static.
+ static $utf8_pcre = null;
+ if ( ! isset( $utf8_pcre ) ) {
+ // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
+ $utf8_pcre = @preg_match( '/^./u', 'a' );
+ }
+
+ if ( ! seems_utf8( $filename ) ) {
+ $_ext = pathinfo( $filename, PATHINFO_EXTENSION );
+ $_name = pathinfo( $filename, PATHINFO_FILENAME );
+ $filename = sanitize_title_with_dashes( $_name ) . '.' . $_ext;
+ }
+
+ if ( $utf8_pcre ) {
+ $filename = preg_replace( "#\x{00a0}#siu", ' ', $filename );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Filters the list of characters to remove from a filename.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1785,7 +1803,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $filename_raw Filename as it was passed into sanitize_file_name().
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> $special_chars = apply_filters( 'sanitize_file_name_chars', $special_chars, $filename_raw );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $filename = preg_replace( "#\x{00a0}#siu", ' ', $filename );
</del><span class="cx" style="display: block; padding: 0 10px"> $filename = str_replace( $special_chars, '', $filename );
</span><span class="cx" style="display: block; padding: 0 10px"> $filename = str_replace( array( '%20', '+' ), '-', $filename );
</span><span class="cx" style="display: block; padding: 0 10px"> $filename = preg_replace( '/[\r\n\t -]+/', '-', $filename );
</span></span></pre></div>
<a id="branches49srcwpincludespostphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-includes/post.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-includes/post.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/src/wp-includes/post.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3136,6 +3136,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> function wp_insert_post( $postarr, $wp_error = false ) {
</span><span class="cx" style="display: block; padding: 0 10px"> global $wpdb;
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Capture original pre-sanitized array for passing into filters.
+ $unsanitized_postarr = $postarr;
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $user_id = get_current_user_id();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $defaults = array(
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3432,21 +3435,27 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * Filters attachment post data before it is updated in or added to the database.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 3.9.0
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @since 5.4.1 `$unsanitized_postarr` argument added.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param array $data An array of sanitized attachment post data.
- * @param array $postarr An array of unsanitized attachment post data.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param array $data An array of slashed, sanitized, and processed attachment post data.
+ * @param array $postarr An array of slashed and sanitized attachment post data, but not processed.
+ * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed attachment post data
+ * as originally passed to wp_insert_post().
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr, $unsanitized_postarr );
</ins><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Filters slashed post data just before it is inserted into the database.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 2.7.0
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @since 5.4.1 `$unsanitized_postarr` argument added.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param array $data An array of slashed post data.
- * @param array $postarr An array of sanitized, but otherwise unmodified post data.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param array $data An array of slashed, sanitized, and processed post data.
+ * @param array $postarr An array of sanitized (and slashed) but otherwise unmodified post data.
+ * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as
+ * originally passed to wp_insert_post().
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $data = apply_filters( 'wp_insert_post_data', $data, $postarr );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> $data = wp_unslash( $data );
</span><span class="cx" style="display: block; padding: 0 10px"> $where = array( 'ID' => $post_ID );
</span></span></pre></div>
<a id="branches49srcwpincludesuserphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-includes/user.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-includes/user.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/src/wp-includes/user.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1692,7 +1692,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $data = apply_filters( 'wp_pre_insert_user_data', $data, $update, $update ? (int) $ID : null );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $update ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( $user_email !== $old_user_data->user_email ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( $user_email !== $old_user_data->user_email || $user_pass !== $old_user_data->user_pass ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> $data['user_activation_key'] = '';
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> $wpdb->update( $wpdb->users, $data, compact( 'ID' ) );
</span></span></pre></div>
<a id="branches49testsphpunittestscustomizemanagerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/tests/phpunit/tests/customize/manager.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/tests/phpunit/tests/customize/manager.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/tests/phpunit/tests/customize/manager.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1090,6 +1090,171 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</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">+ * Test saving changeset post without Kses or other content_save_pre filters mutating content.
+ *
+ * @covers WP_Customize_Manager::save_changeset_post()
+ */
+ public function test_save_changeset_post_without_kses_corrupting_json() {
+ global $wp_customize;
+ $lesser_admin_user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+
+ $uuid = wp_generate_uuid4();
+ $wp_customize = new WP_Customize_Manager(
+ array(
+ 'changeset_uuid' => $uuid,
+ )
+ );
+
+ add_filter( 'map_meta_cap', array( $this, 'filter_map_meta_cap_to_disallow_unfiltered_html' ), 10, 2 );
+ kses_init();
+ add_filter( 'content_save_pre', 'capital_P_dangit' );
+ add_post_type_support( 'customize_changeset', 'revisions' );
+
+ $options = array(
+ 'custom_html_1' => '<script>document.write(" Wordpress 1")</script>',
+ 'custom_html_2' => '<script>document.write(" Wordpress 2")</script>',
+ 'custom_html_3' => '<script>document.write(" Wordpress 3")</script>',
+ );
+
+ // Populate setting as user who can bypass content_save_pre filter.
+ wp_set_current_user( self::$admin_user_id );
+ $wp_customize = $this->get_manager_for_testing_json_corruption_protection( $uuid );
+ $wp_customize->set_post_value( 'custom_html_1', $options['custom_html_1'] );
+ $wp_customize->save_changeset_post(
+ array(
+ 'status' => 'draft',
+ )
+ );
+
+ // Populate setting as user who cannot bypass content_save_pre filter.
+ wp_set_current_user( $lesser_admin_user_id );
+ $wp_customize = $this->get_manager_for_testing_json_corruption_protection( $uuid );
+ $wp_customize->set_post_value( 'custom_html_2', $options['custom_html_2'] );
+ $wp_customize->save_changeset_post(
+ array(
+ 'autosave' => true,
+ )
+ );
+
+ /*
+ * Ensure that the unsanitized value (the "POST data") is preserved in the autosave revision.
+ * The value is sent through the sanitize function when it is read from the changeset.
+ */
+ $autosave_revision = wp_get_post_autosave( $wp_customize->changeset_post_id(), get_current_user_id() );
+ $saved_data = json_decode( $autosave_revision->post_content, true );
+ $this->assertEquals( $options['custom_html_1'], $saved_data['custom_html_1']['value'] );
+ $this->assertEquals( $options['custom_html_2'], $saved_data['custom_html_2']['value'] );
+
+ // Update post to discard autosave.
+ $wp_customize->save_changeset_post(
+ array(
+ 'status' => 'draft',
+ )
+ );
+
+ /*
+ * Ensure that the unsanitized value (the "POST data") is preserved in the post content.
+ * The value is sent through the sanitize function when it is read from the changeset.
+ */
+ $wp_customize = $this->get_manager_for_testing_json_corruption_protection( $uuid );
+ $saved_data = json_decode( get_post( $wp_customize->changeset_post_id() )->post_content, true );
+ $this->assertEquals( $options['custom_html_1'], $saved_data['custom_html_1']['value'] );
+ $this->assertEquals( $options['custom_html_2'], $saved_data['custom_html_2']['value'] );
+
+ /*
+ * Ensure that the unsanitized value (the "POST data") is preserved in the revisions' content.
+ * The value is sent through the sanitize function when it is read from the changeset.
+ */
+ $revisions = wp_get_post_revisions( $wp_customize->changeset_post_id() );
+ $revision = array_shift( $revisions );
+ $saved_data = json_decode( $revision->post_content, true );
+ $this->assertEquals( $options['custom_html_1'], $saved_data['custom_html_1']['value'] );
+ $this->assertEquals( $options['custom_html_2'], $saved_data['custom_html_2']['value'] );
+
+ /*
+ * Now when publishing the changeset, the unsanitized values will be read from the changeset
+ * and sanitized according to the capabilities of the users who originally updated each
+ * setting in the changeset to begin with.
+ */
+ wp_set_current_user( $lesser_admin_user_id );
+ $wp_customize = $this->get_manager_for_testing_json_corruption_protection( $uuid );
+ $wp_customize->set_post_value( 'custom_html_3', $options['custom_html_3'] );
+ $wp_customize->save_changeset_post(
+ array(
+ 'status' => 'publish',
+ )
+ );
+
+ // User saved as one who can bypass content_save_pre filter.
+ $this->assertContains( '<script>', get_option( 'custom_html_1' ) );
+ $this->assertContains( 'Wordpress', get_option( 'custom_html_1' ) ); // phpcs:ignore WordPress.WP.CapitalPDangit.Misspelled
+
+ // User saved as one who cannot bypass content_save_pre filter.
+ $this->assertNotContains( '<script>', get_option( 'custom_html_2' ) );
+ $this->assertContains( 'WordPress', get_option( 'custom_html_2' ) );
+
+ // User saved as one who also cannot bypass content_save_pre filter.
+ $this->assertNotContains( '<script>', get_option( 'custom_html_3' ) );
+ $this->assertContains( 'WordPress', get_option( 'custom_html_3' ) );
+ }
+
+ /**
+ * Get a manager for testing JSON corruption protection.
+ *
+ * @param string $uuid UUID.
+ * @return WP_Customize_Manager Manager.
+ */
+ private function get_manager_for_testing_json_corruption_protection( $uuid ) {
+ global $wp_customize;
+ $wp_customize = new WP_Customize_Manager(
+ array(
+ 'changeset_uuid' => $uuid,
+ )
+ );
+ for ( $i = 0; $i < 5; $i++ ) {
+ $wp_customize->add_setting(
+ sprintf( 'custom_html_%d', $i ),
+ array(
+ 'type' => 'option',
+ 'sanitize_callback' => array( $this, 'apply_content_save_pre_filters_if_not_main_admin_user' ),
+ )
+ );
+ }
+ return $wp_customize;
+ }
+
+ /**
+ * Sanitize content with Kses if the current user is not the main admin.
+ *
+ * @since 5.4.1
+ *
+ * @param string $content Content to sanitize.
+ * @return string Sanitized content.
+ */
+ public function apply_content_save_pre_filters_if_not_main_admin_user( $content ) {
+ if ( get_current_user_id() !== self::$admin_user_id ) {
+ $content = apply_filters( 'content_save_pre', $content );
+ }
+ return $content;
+ }
+
+ /**
+ * Filter map_meta_cap to disallow unfiltered_html.
+ *
+ * @since 5.4.1
+ *
+ * @param array $caps User's capabilities.
+ * @param string $cap Requested cap.
+ * @return array Caps.
+ */
+ public function filter_map_meta_cap_to_disallow_unfiltered_html( $caps, $cap ) {
+ if ( 'unfiltered_html' === $cap ) {
+ $caps = array( 'do_not_allow' );
+ }
+ return $caps;
+ }
+
+ /**
</ins><span class="cx" style="display: block; padding: 0 10px"> * Call count for customize_changeset_save_data filter.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @var int
</span></span></pre></div>
<a id="branches49testsphpunittestsformattingSanitizeFileNamephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/tests/phpunit/tests/formatting/SanitizeFileName.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/tests/phpunit/tests/formatting/SanitizeFileName.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/tests/phpunit/tests/formatting/SanitizeFileName.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -67,4 +67,20 @@
</span><span class="cx" style="display: block; padding: 0 10px"> // Test a filenames that becomes extensionless.
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( 'no-extension', sanitize_file_name( '_.no-extension' ) );
</span><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_wp_filenames
+ */
+ function test_replaces_invalid_utf8_characters( $input, $expected ) {
+ $this->assertEquals( $expected, sanitize_file_name( $input ) );
+ }
+
+ function data_wp_filenames() {
+ return array(
+ array( urldecode( '%B1myfile.png' ), 'myfile.png' ),
+ array( urldecode( '%B1myfile' ), 'myfile' ),
+ array( 'demo bar.png', 'demo-bar.png' ),
+ array( 'demo' . json_decode( '"\u00a0"' ) . 'bar.png', 'demo-bar.png' ),
+ );
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="branches49testsphpunittestsuserphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/tests/phpunit/tests/user.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/tests/phpunit/tests/user.php 2020-04-29 16:13:02 UTC (rev 47647)
+++ branches/4.9/tests/phpunit/tests/user.php 2020-04-29 16:15:39 UTC (rev 47648)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -917,7 +917,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( $u, wp_cache_get( $updated_user->user_nicename, 'userslugs' ) );
</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">- function test_changing_email_invalidates_password_reset_key() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function test_changing_email_invalidates_password_reset_key() {
</ins><span class="cx" style="display: block; padding: 0 10px"> global $wpdb;
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $user = $this->author;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -949,6 +949,26 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEmpty( $user->user_activation_key );
</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 test_changing_password_invalidates_password_reset_key() {
+ global $wpdb;
+
+ $user = $this->author;
+ $wpdb->update( $wpdb->users, array( 'user_activation_key' => 'key' ), array( 'ID' => $user->ID ) );
+ clean_user_cache( $user );
+
+ $user = get_userdata( $user->ID );
+ $this->assertEquals( 'key', $user->user_activation_key );
+
+ $userdata = array(
+ 'ID' => $user->ID,
+ 'user_pass' => 'password',
+ );
+ wp_update_user( $userdata );
+
+ $user = get_userdata( $user->ID );
+ $this->assertEmpty( $user->user_activation_key );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> public function test_search_users_login() {
</span><span class="cx" style="display: block; padding: 0 10px"> $users = get_users( array( 'search' => 'user1', 'fields' => 'ID' ) );
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre>
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