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Multisite: Validate activation links.

Merges [44048] to the 4.9 branch.


git-svn-id: https://develop.svn.wordpress.org/branches/4.9@44051 602fd350-edb4-49c9-b593-d223f7449a82
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peterwilsoncc committed Dec 13, 2018
1 parent 7a7e1ad commit 07c82a286b0976e2f6f491af0d7d0d8542342855
@@ -26,7 +26,9 @@
$key = '';
$result = null;
if ( ! empty( $_GET['key'] ) ) {
if ( isset( $_GET['key'] ) && isset( $_POST['key'] ) && $_GET['key'] !== $_POST['key'] ) {
wp_die( __( 'A key value mismatch has been detected. Please follow the link provided in your activation email.' ), __( 'An error occurred during the activation' ), 400 );
} elseif ( ! empty( $_GET['key'] ) ) {
$key = $_GET['key'];
} elseif ( ! empty( $_POST['key'] ) ) {
$key = $_POST['key'];
@@ -270,7 +270,9 @@ public static function get( $hook_name = '' ) {
switch ( $base ) {
case 'post' :
if ( isset( $_GET['post'] ) )
if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] )
wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
elseif ( isset( $_GET['post'] ) )
$post_id = (int) $_GET['post'];
elseif ( isset( $_POST['post_ID'] ) )
$post_id = (int) $_POST['post_ID'];
@@ -16,7 +16,9 @@
wp_reset_vars( array( 'action' ) );
if ( isset( $_GET['post'] ) )
if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] )
wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
elseif ( isset( $_GET['post'] ) )
$post_id = $post_ID = (int) $_GET['post'];
elseif ( isset( $_POST['post_ID'] ) )
$post_id = $post_ID = (int) $_POST['post_ID'];
@@ -38,6 +40,10 @@
$post_type_object = get_post_type_object( $post_type );
}
if ( isset( $_POST['post_type'] ) && $post && $post_type !== $_POST['post_type'] ) {
wp_die( __( 'A post type mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
}
if ( isset( $_POST['deletepost'] ) )
$action = 'delete';
elseif ( isset($_POST['wp-preview']) && 'dopreview' == $_POST['wp-preview'] )
@@ -289,6 +289,8 @@ public function parse_request($extra_query_vars = '') {
foreach ( $this->public_query_vars as $wpvar ) {
if ( isset( $this->extra_query_vars[$wpvar] ) )
$this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];
elseif ( isset( $_GET[ $wpvar ] ) && isset( $_POST[ $wpvar ] ) && $_GET[ $wpvar ] !== $_POST[ $wpvar ] )
wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
elseif ( isset( $_POST[$wpvar] ) )
$this->query_vars[$wpvar] = $_POST[$wpvar];
elseif ( isset( $_GET[$wpvar] ) )
@@ -271,10 +271,13 @@ function wpmu_admin_do_redirect( $url = '' ) {
_deprecated_function( __FUNCTION__, '3.3.0', 'wp_redirect()' );
$ref = '';
if ( isset( $_GET['ref'] ) )
$ref = $_GET['ref'];
if ( isset( $_POST['ref'] ) )
$ref = $_POST['ref'];
if ( isset( $_GET['ref'] ) && isset( $_POST['ref'] ) && $_GET['ref'] !== $_POST['ref'] ) {
wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
} elseif ( isset( $_POST['ref'] ) ) {
$ref = $_POST[ 'ref' ];
} elseif ( isset( $_GET['ref'] ) ) {
$ref = $_GET[ 'ref' ];
}
if ( $ref ) {
$ref = wpmu_admin_redirect_add_updated_param( $ref );
@@ -287,7 +290,9 @@ function wpmu_admin_do_redirect( $url = '' ) {
}
$url = wpmu_admin_redirect_add_updated_param( $url );
if ( isset( $_GET['redirect'] ) ) {
if ( isset( $_GET['redirect'] ) && isset( $_POST['redirect'] ) && $_GET['redirect'] !== $_POST['redirect'] ) {
wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
} elseif ( isset( $_GET['redirect'] ) ) {
if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
$url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
} elseif ( isset( $_POST['redirect'] ) ) {

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