Grouped backports to the 4.8 branch.

- Posts, Post types: Apply KSES to post-by-email content,
- General: Validate host on "Are you sure?" screen,
- Posts, Post types: Remove emails from post-by-email logs,
- Media: Refactor search by filename within the admin,
- Pings/trackbacks: Apply KSES to all trackbacks,
- Comments: Apply kses when editing comments,
- Customize: Escape blogname option in underscores templates,
- REST API: Lockdown post parameter of the terms endpoint,
- Mail: Reset PHPMailer properties between use,
- Query: Validate relation in `WP_Date_Query`,
- Widgets: Escape RSS error messages for display.

Merges [54521], [54522], [54523], [54524], [54525], [54526], [54527], [54528], [54529], [54530], [54541] to the 4.8 branch.
Props voldemortensen, johnbillion, paulkevan, peterwilsoncc, xknown, dd32, audrasjb, martinkrcho, vortfu, davidbaumwald, tykoted, timothyblynjacobs, johnjamesjacoby, ehtis, matveb, talldanwp.

Built from https://develop.svn.wordpress.org/branches/4.8@54568


git-svn-id: http://core.svn.wordpress.org/branches/4.8@54122 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2022-10-17 18:14:23 +00:00
parent 65b7a0e48b
commit 92a93cd9be
17 changed files with 259 additions and 51 deletions

View File

@ -2466,7 +2466,7 @@ function wp_ajax_query_attachments() {
// Filter query clauses to include filenames.
if ( isset( $query['s'] ) ) {
add_filter( 'posts_clauses', '_filter_query_attachment_filenames' );
add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
}
/**

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@ -1169,7 +1169,7 @@ function wp_edit_attachments_query_vars( $q = false ) {
// Filter query clauses to include filenames.
if ( isset( $q['s'] ) ) {
add_filter( 'posts_clauses', '_filter_query_attachment_filenames' );
add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
}
return $q;

View File

@ -486,6 +486,13 @@ class WP_Query {
private $compat_methods = array( 'init_query_flags', 'parse_tax_query' );
/**
* Controls whether an attachment query should include filenames or not.
*
* @since 6.0.3
* @var bool
*/
protected $allow_query_attachment_by_filename = false;
/**
* Resets query flags to false.
*
@ -1346,7 +1353,12 @@ class WP_Query {
}
$like = $n . $wpdb->esc_like( $term ) . $n;
$search .= $wpdb->prepare( "{$searchand}(({$wpdb->posts}.post_title $like_op %s) $andor_op ({$wpdb->posts}.post_excerpt $like_op %s) $andor_op ({$wpdb->posts}.post_content $like_op %s))", $like, $like, $like );
if ( ! empty( $this->allow_query_attachment_by_filename ) ) {
$search .= $wpdb->prepare( "{$searchand}(({$wpdb->posts}.post_title $like_op %s) $andor_op ({$wpdb->posts}.post_excerpt $like_op %s) $andor_op ({$wpdb->posts}.post_content $like_op %s) $andor_op (sq1.meta_value $like_op %s))", $like, $like, $like, $like );
} else {
$search .= $wpdb->prepare( "{$searchand}(({$wpdb->posts}.post_title $like_op %s) $andor_op ({$wpdb->posts}.post_excerpt $like_op %s) $andor_op ({$wpdb->posts}.post_content $like_op %s))", $like, $like, $like );
}
$searchand = ' AND ';
}
@ -1683,6 +1695,16 @@ class WP_Query {
// Fill again in case pre_get_posts unset some vars.
$q = $this->fill_query_vars($q);
/**
* Filters whether an attachment query should include filenames or not.
*
* @since 6.0.3
*
* @param bool $allow_query_attachment_by_filename Whether or not to include filenames.
*/
$this->allow_query_attachment_by_filename = apply_filters( 'wp_allow_query_attachment_by_filename', false );
remove_all_filters( 'wp_allow_query_attachment_by_filename' );
// Parse meta query
$this->meta_query = new WP_Meta_Query();
$this->meta_query->parse_query_vars( $q );
@ -2087,7 +2109,7 @@ class WP_Query {
}
}
if ( !empty( $this->tax_query->queries ) || !empty( $this->meta_query->queries ) ) {
if ( ! empty( $this->tax_query->queries ) || ! empty( $this->meta_query->queries ) || ! empty( $this->allow_query_attachment_by_filename ) ) {
$groupby = "{$wpdb->posts}.ID";
}
@ -2136,6 +2158,10 @@ class WP_Query {
}
$where .= $search . $whichauthor . $whichmimetype;
if ( ! empty( $this->allow_query_attachment_by_filename ) ) {
$join .= " LEFT JOIN {$wpdb->postmeta} AS sq1 ON ( {$wpdb->posts}.ID = sq1.post_id AND sq1.meta_key = '_wp_attached_file' )";
}
if ( ! empty( $this->meta_query->queries ) ) {
$clauses = $this->meta_query->get_sql( 'post', $wpdb->posts, 'ID', $this );
$join .= $clauses['join'];

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@ -2146,6 +2146,15 @@ function wp_update_comment($commentarr) {
return 0;
}
$filter_comment = false;
if ( ! has_filter( 'pre_comment_content', 'wp_filter_kses' ) ) {
$filter_comment = ! user_can( isset( $comment['user_id'] ) ? $comment['user_id'] : 0, 'unfiltered_html' );
}
if ( $filter_comment ) {
add_filter( 'pre_comment_content', 'wp_filter_kses' );
}
// Escape data pulled from DB.
$comment = wp_slash($comment);
@ -2156,6 +2165,10 @@ function wp_update_comment($commentarr) {
$commentarr = wp_filter_comment( $commentarr );
if ( $filter_comment ) {
remove_filter( 'pre_comment_content', 'wp_filter_kses' );
}
// Now extract the merged array.
$data = wp_unslash( $commentarr );

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@ -103,10 +103,10 @@ class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
<# } else { #>
<button type="button" class="choice thumbnail"
data-customize-image-value="{{{data.header.url}}}"
data-customize-image-value="{{data.header.url}}"
data-customize-header-image-data="{{JSON.stringify(data.header)}}">
<span class="screen-reader-text"><?php _e( 'Set image' ); ?></span>
<img src="{{{data.header.thumbnail_url}}}" alt="{{{data.header.alt_text || data.header.description}}}">
<img src="{{data.header.thumbnail_url}}" alt="{{data.header.alt_text || data.header.description}}" />
</button>
<# if ( data.type === 'uploaded' ) { #>

View File

@ -69,7 +69,7 @@ class WP_Customize_Site_Icon_Control extends WP_Customize_Cropped_Image_Control
<div class="favicon">
<img src="{{ data.attachment.sizes.full ? data.attachment.sizes.full.url : data.attachment.url }}" alt="<?php esc_attr_e( 'Preview as a browser icon' ); ?>"/>
</div>
<span class="browser-title" aria-hidden="true"><?php bloginfo( 'name' ); ?></span>
<span class="browser-title" aria-hidden="true"><?php echo esc_js( get_bloginfo( 'name' ) ); ?></span>
</div>
<img class="app-icon-preview" src="{{ data.attachment.sizes.full ? data.attachment.sizes.full.url : data.attachment.url }}" alt="<?php esc_attr_e( 'Preview as an app icon' ); ?>"/>
</div>

View File

@ -151,8 +151,8 @@ class WP_Date_Query {
* 'comment_date', 'comment_date_gmt'.
*/
public function __construct( $date_query, $default_column = 'post_date' ) {
if ( isset( $date_query['relation'] ) && 'OR' === strtoupper( $date_query['relation'] ) ) {
$this->relation = 'OR';
if ( isset( $date_query['relation'] ) ) {
$this->relation = $this->sanitize_relation( $date_query['relation'] );
} else {
$this->relation = 'AND';
}
@ -232,6 +232,9 @@ class WP_Date_Query {
$this->validate_date_values( $queries );
}
// Sanitize the relation parameter.
$queries['relation'] = $this->sanitize_relation( $queries['relation'] );
foreach ( $queries as $key => $q ) {
if ( ! is_array( $q ) || in_array( $key, $this->time_keys, true ) ) {
// This is a first-order query. Trust the values and sanitize when building SQL.
@ -1017,4 +1020,20 @@ class WP_Date_Query {
return $wpdb->prepare( "DATE_FORMAT( $column, %s ) $compare %f", $format, $time );
}
/**
* Sanitizes a 'relation' operator.
*
* @since 6.0.3
*
* @param string $relation Raw relation key from the query argument.
* @return string Sanitized relation ('AND' or 'OR').
*/
public function sanitize_relation( $relation ) {
if ( 'OR' === strtoupper( $relation ) ) {
return 'OR';
} else {
return 'AND';
}
}
}

View File

@ -3878,3 +3878,21 @@ function _sort_nav_menu_items( $a, $b ) {
else
return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop );
}
/**
* Filter the SQL clauses of an attachment query to include filenames.
*
* @since 4.7.0
* @deprecated 6.0.3
* @access private
*
* @param array $clauses An array including WHERE, GROUP BY, JOIN, ORDER BY,
* DISTINCT, fields (SELECT), and LIMITS clauses.
* @return array The unmodified clauses.
*/
function _filter_query_attachment_filenames( $clauses ) {
_deprecated_function( __FUNCTION__, '6.0.3', 'add_filter( "wp_allow_query_attachment_by_filename", "__return_true" )');
remove_filter( 'posts_clauses', __FUNCTION__ );
return $clauses;
}

View File

@ -2369,7 +2369,7 @@ function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {
} else {
if ( $type !== $real_mime ) {
/*
* Everything else including image/* and application/*:
* Everything else including image/* and application/*:
* If the real content type doesn't match the file extension, assume it's dangerous.
*/
$type = $ext = false;
@ -2378,7 +2378,7 @@ function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {
}
}
// The mime type must be allowed
// The mime type must be allowed
if ( $type ) {
$allowed = get_allowed_mime_types();
@ -2650,9 +2650,12 @@ function wp_nonce_ays( $action ) {
} else {
$html = __( 'Are you sure you want to do this?' );
if ( wp_get_referer() ) {
$html .= '</p><p>';
$html .= sprintf( '<a href="%s">%s</a>',
esc_url( remove_query_arg( 'updated', wp_get_referer() ) ),
$wp_http_referer = remove_query_arg( 'updated', wp_get_referer() );
$wp_http_referer = wp_validate_redirect( esc_url_raw( $wp_http_referer ) );
$html .= '</p><p>';
$html .= sprintf(
'<a href="%s">%s</a>',
esc_url( $wp_http_referer ),
__( 'Please try again.' )
);
}

View File

@ -1252,7 +1252,7 @@ function wp_print_media_templates() {
<div class="favicon">
<img id="preview-favicon" src="{{ data.url }}" alt="<?php esc_attr_e( 'Preview as a browser icon' ); ?>"/>
</div>
<span class="browser-title" aria-hidden="true"><?php bloginfo( 'name' ); ?></span>
<span class="browser-title" aria-hidden="true"><?php echo esc_js( get_bloginfo( 'name' ) ); ?></span>
</div>
<strong aria-hidden="true"><?php _e( 'As an app icon' ); ?></strong>

View File

@ -312,6 +312,8 @@ function wp_mail( $to, $subject, $message, $headers = '', $attachments = array()
$phpmailer->clearAttachments();
$phpmailer->clearCustomHeaders();
$phpmailer->clearReplyTos();
$phpmailer->Body = '';
$phpmailer->AltBody = '';
// From email and name
// If we don't have a name from the input headers

View File

@ -1631,7 +1631,99 @@ function is_post_type_viewable( $post_type ) {
}
}
return $post_type->publicly_queryable || ( $post_type->_builtin && $post_type->public );
if ( ! is_object( $post_type ) ) {
return false;
}
$is_viewable = $post_type->publicly_queryable || ( $post_type->_builtin && $post_type->public );
/**
* Filters whether a post type is considered "viewable".
*
* The returned filtered value must be a boolean type to ensure
* `is_post_type_viewable()` only returns a boolean. This strictness
* is by design to maintain backwards-compatibility and guard against
* potential type errors in PHP 8.1+. Non-boolean values (even falsey
* and truthy values) will result in the function returning false.
*
* @since 5.9.0
*
* @param bool $is_viewable Whether the post type is "viewable" (strict type).
* @param WP_Post_Type $post_type Post type object.
*/
return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type );
}
/**
* Determines whether a post status is considered "viewable".
*
* For built-in post statuses such as publish and private, the 'public' value will be evaluated.
* For all others, the 'publicly_queryable' value will be used.
*
* @since 5.7.0
* @since 5.9.0 Added `is_post_status_viewable` hook to filter the result.
*
* @param string|stdClass $post_status Post status name or object.
* @return bool Whether the post status should be considered viewable.
*/
function is_post_status_viewable( $post_status ) {
if ( is_scalar( $post_status ) ) {
$post_status = get_post_status_object( $post_status );
if ( ! $post_status ) {
return false;
}
}
if (
! is_object( $post_status ) ||
$post_status->internal ||
$post_status->protected
) {
return false;
}
$is_viewable = $post_status->publicly_queryable || ( $post_status->_builtin && $post_status->public );
/**
* Filters whether a post status is considered "viewable".
*
* The returned filtered value must be a boolean type to ensure
* `is_post_status_viewable()` only returns a boolean. This strictness
* is by design to maintain backwards-compatibility and guard against
* potential type errors in PHP 8.1+. Non-boolean values (even falsey
* and truthy values) will result in the function returning false.
*
* @since 5.9.0
*
* @param bool $is_viewable Whether the post status is "viewable" (strict type).
* @param stdClass $post_status Post status object.
*/
return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status );
}
/**
* Determines whether a post is publicly viewable.
*
* Posts are considered publicly viewable if both the post status and post type
* are viewable.
*
* @since 5.7.0
*
* @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
* @return bool Whether the post is publicly viewable.
*/
function is_post_publicly_viewable( $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$post_type = get_post_type( $post );
$post_status = get_post_status( $post );
return is_post_type_viewable( $post_type ) && is_post_status_viewable( $post_status );
}
/**
@ -6241,32 +6333,3 @@ function wp_add_trashed_suffix_to_post_name_for_post( $post ) {
clean_post_cache( $post->ID );
return $post_name;
}
/**
* Filter the SQL clauses of an attachment query to include filenames.
*
* @since 4.7.0
* @access private
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $clauses An array including WHERE, GROUP BY, JOIN, ORDER BY,
* DISTINCT, fields (SELECT), and LIMITS clauses.
* @return array The modified clauses.
*/
function _filter_query_attachment_filenames( $clauses ) {
global $wpdb;
remove_filter( 'posts_clauses', __FUNCTION__ );
// Add a LEFT JOIN of the postmeta table so we don't trample existing JOINs.
$clauses['join'] .= " LEFT JOIN {$wpdb->postmeta} AS sq1 ON ( {$wpdb->posts}.ID = sq1.post_id AND sq1.meta_key = '_wp_attached_file' )";
$clauses['groupby'] = "{$wpdb->posts}.ID";
$clauses['where'] = preg_replace(
"/\({$wpdb->posts}.post_content (NOT LIKE|LIKE) (\'[^']+\')\)/",
"$0 OR ( sq1.meta_value $1 $2 )",
$clauses['where'] );
return $clauses;
}

View File

@ -49,7 +49,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
// Filter query clauses to include filenames.
if ( isset( $query_args['s'] ) ) {
add_filter( 'posts_clauses', '_filter_query_attachment_filenames' );
add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
}
return $query_args;

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@ -132,6 +132,35 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
) );
}
/**
* Checks if the terms for a post can be read.
*
* @since 6.0.3
*
* @param WP_Post $post Post object.
* @param WP_REST_Request $request Full details about the request.
* @return bool Whether the terms for the post can be read.
*/
public function check_read_terms_permission_for_post( $post, $request ) {
// If the requested post isn't associated with this taxonomy, deny access.
if ( ! is_object_in_taxonomy( $post->post_type, $this->taxonomy ) ) {
return false;
}
// Grant access if the post is publicly viewable.
if ( is_post_publicly_viewable( $post ) ) {
return true;
}
// Otherwise grant access if the post is readable by the logged in user.
if ( current_user_can( 'read_post', $post->ID ) ) {
return true;
}
// Otherwise, deny access.
return false;
}
/**
* Checks if a request has access to read terms in the specified taxonomy.
*
@ -143,12 +172,43 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
*/
public function get_items_permissions_check( $request ) {
$tax_obj = get_taxonomy( $this->taxonomy );
if ( ! $tax_obj || ! $this->check_is_taxonomy_allowed( $this->taxonomy ) ) {
return false;
}
if ( 'edit' === $request['context'] && ! current_user_can( $tax_obj->cap->edit_terms ) ) {
return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) );
return new WP_Error(
'rest_forbidden_context',
__( 'Sorry, you are not allowed to edit terms in this taxonomy.' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( ! empty( $request['post'] ) ) {
$post = get_post( $request['post'] );
if ( ! $post ) {
return new WP_Error(
'rest_post_invalid_id',
__( 'Invalid post ID.' ),
array(
'status' => 400,
)
);
}
if ( ! $this->check_read_terms_permission_for_post( $post, $request ) ) {
return new WP_Error(
'rest_forbidden_context',
__( 'Sorry, you are not allowed to view terms for this post.' ),
array(
'status' => rest_authorization_required_code(),
)
);
}
}
return true;
}

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@ -1233,7 +1233,7 @@ function wp_widget_rss_output( $rss, $args = array() ) {
if ( is_wp_error($rss) ) {
if ( is_admin() || current_user_can('manage_options') )
echo '<p><strong>' . __( 'RSS Error:' ) . '</strong> ' . $rss->get_error_message() . '</p>';
echo '<p><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $rss->get_error_message() ) . '</p>';
return;
}
@ -1342,7 +1342,7 @@ function wp_widget_rss_form( $args, $inputs = null ) {
$args['show_date'] = isset( $args['show_date'] ) ? (int) $args['show_date'] : (int) $inputs['show_date'];
if ( ! empty( $args['error'] ) ) {
echo '<p class="widget-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . $args['error'] . '</p>';
echo '<p class="widget-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $args['error'] ) . '</p>';
}
$esc_number = esc_attr( $args['number'] );

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@ -60,6 +60,9 @@ if( 0 === $count ) {
wp_die( __('There doesn&#8217;t seem to be any new mail.') );
}
// Always run as an unauthenticated user.
wp_set_current_user( 0 );
for ( $i = 1; $i <= $count; $i++ ) {
$message = $pop3->get($i);
@ -124,8 +127,6 @@ for ( $i = 1; $i <= $count; $i++ ) {
$author = trim($line);
$author = sanitize_email($author);
if ( is_email($author) ) {
/* translators: Post author email address */
echo '<p>' . sprintf(__('Author is %s'), $author) . '</p>';
$userdata = get_user_by('email', $author);
if ( ! empty( $userdata ) ) {
$post_author = $userdata->ID;

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@ -13,6 +13,9 @@ if (empty($wp)) {
wp( array( 'tb' => '1' ) );
}
// Always run as an unauthenticated user.
wp_set_current_user( 0 );
/**
* Response to a trackback.
*