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Query: Revert post-type specific capability changes. 

The modified checks of the `read_private_posts` capability could result in unexpected SQL queries when calling `WP_Query` with invalid parameters.

Reverts [49830], [49832] and [49833].
See #48556.

Built from https://develop.svn.wordpress.org/trunk@49899


git-svn-id: http://core.svn.wordpress.org/trunk@49598 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Peter Wilson 2020-12-23 03:02:06 +00:00
parent 7c8d9b2e6a
commit aaf7710529
2 changed files with 38 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
wp-includes/class-wp-query.php
View File

@ -2420,28 +2420,26 @@ class WP_Query {
$where .= $wpdb->prepare( " AND {$wpdb->posts}.ping_status = %s ", $q['ping_status'] );
}
$has_valid_post_types = true;
if ( 'any' === $post_type ) {
$in_search_post_types = get_post_types( array( 'exclude_from_search' => false ) );
if ( empty( $in_search_post_types ) ) {
$post_type_where = ' AND 1=0 ';
$has_valid_post_types = true;
$where .= ' AND 1=0 ';
} else {
$post_type_where = " AND {$wpdb->posts}.post_type IN ('" . implode( "', '", array_map( 'esc_sql', $in_search_post_types ) ) . "')";
$where .= " AND {$wpdb->posts}.post_type IN ('" . implode( "', '", array_map( 'esc_sql', $in_search_post_types ) ) . "')";
}
} elseif ( ! empty( $post_type ) && is_array( $post_type ) ) {
$post_type_where = " AND {$wpdb->posts}.post_type IN ('" . implode( "', '", esc_sql( $post_type ) ) . "')";
$where .= " AND {$wpdb->posts}.post_type IN ('" . implode( "', '", esc_sql( $post_type ) ) . "')";
} elseif ( ! empty( $post_type ) ) {
$post_type_where = $wpdb->prepare( " AND {$wpdb->posts}.post_type = %s", $post_type );
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_type = %s", $post_type );
$post_type_object = get_post_type_object( $post_type );
} elseif ( $this->is_attachment ) {
$post_type_where = " AND {$wpdb->posts}.post_type = 'attachment'";
$where .= " AND {$wpdb->posts}.post_type = 'attachment'";
$post_type_object = get_post_type_object( 'attachment' );
} elseif ( $this->is_page ) {
$post_type_where = " AND {$wpdb->posts}.post_type = 'page'";
$where .= " AND {$wpdb->posts}.post_type = 'page'";
$post_type_object = get_post_type_object( 'page' );
} else {
$post_type_where = " AND {$wpdb->posts}.post_type = 'post'";
$where .= " AND {$wpdb->posts}.post_type = 'post'";
$post_type_object = get_post_type_object( 'post' );
}
@ -2459,13 +2457,7 @@ class WP_Query {
$user_id = get_current_user_id();
$q_status = array();
if ( ! $has_valid_post_types ) {
// When there are no public post types, there's no need to assemble the post_status clause.
$where .= $post_type_where;
} elseif ( ! empty( $q['post_status'] ) ) {
$where .= $post_type_where;
if ( ! empty( $q['post_status'] ) ) {
$statuswheres = array();
$q_status = $q['post_status'];
if ( ! is_array( $q_status ) ) {
@ -2525,71 +2517,39 @@ class WP_Query {
$where .= " AND ($where_status)";
}
} elseif ( ! $this->is_singular ) {
if ( 'any' === $post_type ) {
$queried_post_types = get_post_types( array( 'exclude_from_search' => false ) );
} elseif ( is_array( $post_type ) ) {
$queried_post_types = $post_type;
} elseif ( ! empty( $post_type ) ) {
$queried_post_types = array( $post_type );
} else {
$queried_post_types = array( 'post' );
}
$where .= " AND ({$wpdb->posts}.post_status = 'publish'";
if ( ! empty( $queried_post_types ) ) {
$status_type_clauses = array();
// Assemble a post_status clause for each post type.
foreach ( $queried_post_types as $queried_post_type ) {
$queried_post_type_object = get_post_type_object( $queried_post_type );
if ( ! $queried_post_type_object instanceof \WP_Post_Type ) {
// Add public states.
$public_states = get_post_stati( array( 'public' => true ) );
foreach ( (array) $public_states as $state ) {
if ( 'publish' === $state ) { // Publish is hard-coded above.
continue;
}
$type_where = '(' . $wpdb->prepare( "{$wpdb->posts}.post_type = %s AND (", $queried_post_type );
// Public statuses.
$public_statuses = get_post_stati( array( 'public' => true ) );
$status_clauses = array();
foreach ( (array) $public_statuses as $public_status ) {
$status_clauses[] = "{$wpdb->posts}.post_status = '$public_status'";
$where .= " OR {$wpdb->posts}.post_status = '$state'";
}
$type_where .= implode( ' OR ', $status_clauses );
// Add protected states that should show in the admin all list.
if ( $this->is_admin ) {
$admin_all_statuses = get_post_stati(
// Add protected states that should show in the admin all list.
$admin_all_states = get_post_stati(
array(
'protected' => true,
'show_in_admin_all_list' => true,
)
);
foreach ( (array) $admin_all_statuses as $admin_all_status ) {
$type_where .= " OR {$wpdb->posts}.post_status = '$admin_all_status'";
foreach ( (array) $admin_all_states as $state ) {
$where .= " OR {$wpdb->posts}.post_status = '$state'";
}
}
// Add private states that are visible to current user.
if ( is_user_logged_in() ) {
$read_private_cap = $queried_post_type_object->cap->read_private_posts;
$private_statuses = get_post_stati( array( 'private' => true ) );
foreach ( (array) $private_statuses as $private_status ) {
$type_where .= current_user_can( $read_private_cap ) ? " OR {$wpdb->posts}.post_status = '$private_status'" : " OR ({$wpdb->posts}.post_author = $user_id AND {$wpdb->posts}.post_status = '$private_status')";
// Add private states that are limited to viewing by the author of a post or someone who has caps to read private states.
$private_states = get_post_stati( array( 'private' => true ) );
foreach ( (array) $private_states as $state ) {
$where .= current_user_can( $read_private_cap ) ? " OR {$wpdb->posts}.post_status = '$state'" : " OR {$wpdb->posts}.post_author = $user_id AND {$wpdb->posts}.post_status = '$state'";
}
}
$type_where .= '))';
$status_type_clauses[] = $type_where;
}
if ( ! empty( $status_type_clauses ) ) {
$where .= ' AND (' . implode( ' OR ', $status_type_clauses ) . ')';
}
} else {
$where .= ' AND 1=0 ';
}
} else {
$where .= $post_type_where;
$where .= ')';
}
/*

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.7-alpha-49876';
$wp_version = '5.7-alpha-49899';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.