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Customize: Add changeset locking in Customizer to prevent users from overriding each other's changes. 

* Customization locking is checked when changesets are saved and when heartbeat ticks.
* Lock is lifted immediately upon a user closing the Customizer.
* Heartbeat is introduced into Customizer.
* Changes made to user after it was locked by another user are stored as an autosave revision for restoration.
* Lock notification displays link to preview the other user's changes on the frontend.
* A user loading a locked Customizer changeset will be presented with an option to take over.
* Autosave revisions attached to a published changeset are converted into auto-drafts so that they will be presented to users for restoration.
* Focus constraining is improved in overlay notifications.
* Escape key is stopped from propagating in overlay notifications, and it dismisses dismissible overlay notifications.
* Introduces `changesetLocked` state which is used to disable the Save button and suppress the AYS dialog when leaving the Customizer.
* Fixes bug where users could be presented with each other's autosave revisions.

Props sayedwp, westonruter, melchoyce.
See #31436, #31897, #39896.
Fixes #42024.

Built from https://develop.svn.wordpress.org/trunk@41839


git-svn-id: http://core.svn.wordpress.org/trunk@41673 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Weston Ruter 2017-10-12 04:01:46 +00:00
parent f44ed386c1
commit 434e3aba82
12 changed files with 676 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
wp-admin/css/customize-controls-rtl.css
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@ -20,6 +20,46 @@ body {
text-align: center;
}
#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked {
background-color: rgba( 0, 0, 0, 0.7 );
padding: 25px;
}
#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .customize-changeset-locked-message {
margin-right: auto;
margin-left: auto;
max-width: 366px;
min-height: 64px;
width: auto;
padding: 25px 109px 25px 25px;
position: relative;
background: #fff;
box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
line-height: 1.5;
overflow-y: auto;
text-align: right;
top: calc( 50% - 100px );
}
#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .currently-editing {
margin-top: 0;
}
#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .action-buttons {
margin-bottom: 0;
}
.customize-changeset-locked-avatar {
width: 64px;
position: absolute;
right: 25px;
top: 25px;
}
.wp-core-ui.wp-customizer .customize-changeset-locked-message a.button {
margin-left: 10px;
margin-top: 0;
}
#customize-controls .description {
color: #555d66;
}

2
wp-admin/css/customize-controls-rtl.min.css vendored
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File diff suppressed because one or more lines are too long

40
wp-admin/css/customize-controls.css
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@ -20,6 +20,46 @@ body {
text-align: center;
}
#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked {
background-color: rgba( 0, 0, 0, 0.7 );
padding: 25px;
}
#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .customize-changeset-locked-message {
margin-left: auto;
margin-right: auto;
max-width: 366px;
min-height: 64px;
width: auto;
padding: 25px 25px 25px 109px;
position: relative;
background: #fff;
box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
line-height: 1.5;
overflow-y: auto;
text-align: left;
top: calc( 50% - 100px );
}
#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .currently-editing {
margin-top: 0;
}
#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .action-buttons {
margin-bottom: 0;
}
.customize-changeset-locked-avatar {
width: 64px;
position: absolute;
left: 25px;
top: 25px;
}
.wp-core-ui.wp-customizer .customize-changeset-locked-message a.button {
margin-right: 10px;
margin-top: 0;
}
#customize-controls .description {
color: #555d66;
}

2
wp-admin/css/customize-controls.min.css vendored
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File diff suppressed because one or more lines are too long

1
wp-admin/customize.php
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@ -87,6 +87,7 @@ add_action( 'customize_controls_print_styles', 'print_admin_styles', 20
*/
do_action( 'customize_controls_init' );
wp_enqueue_script( 'heartbeat' );
wp_enqueue_script( 'customize-controls' );
wp_enqueue_style( 'customize-controls' );

293
wp-admin/js/customize-controls.js
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@ -34,6 +34,37 @@
if ( notification.loading ) {
notification.containerClasses += ' notification-loading';
}
},
/**
* Render notification.
*
* @since 4.9.0
*
* @return {jQuery} Notification container.
*/
render: function() {
var li = api.Notification.prototype.render.call( this );
li.on( 'keydown', _.bind( this.handleEscape, this ) );
return li;
},
/**
* Stop propagation on escape key presses, but also dismiss notification if it is dismissible.
*
* @since 4.9.0
*
* @param {jQuery.Event} event - Event.
* @returns {void}
*/
handleEscape: function( event ) {
var notification = this;
if ( 27 === event.which ) {
event.stopPropagation();
if ( notification.dismissible && notification.parent ) {
notification.parent.remove( notification.code );
}
}
}
});
@ -282,11 +313,30 @@
* @returns {void}
*/
constrainFocus: function constrainFocus( event ) {
var collection = this;
if ( ! collection.focusContainer || collection.focusContainer.is( event.target ) || $.contains( collection.focusContainer[0], event.target[0] ) ) {
var collection = this, focusableElements;
// Prevent keys from escaping.
event.stopPropagation();
if ( 9 !== event.which ) { // Tab key.
return;
}
collection.focusContainer.focus();
focusableElements = collection.focusContainer.find( ':focusable' );
if ( 0 === focusableElements.length ) {
focusableElements = collection.focusContainer;
}
if ( ! $.contains( collection.focusContainer[0], event.target ) || ! $.contains( collection.focusContainer[0], document.activeElement ) ) {
event.preventDefault();
focusableElements.first().focus();
} else if ( focusableElements.last().is( event.target ) && ! event.shiftKey ) {
event.preventDefault();
focusableElements.first().focus();
} else if ( focusableElements.first().is( event.target ) && event.shiftKey ) {
event.preventDefault();
focusableElements.last().focus();
}
}
});
@ -6737,7 +6787,8 @@
'selectedChangesetStatus',
'remainingTimeToPublish',
'previewerAlive',
'editShortcutVisibility'
'editShortcutVisibility',
'changesetLocked'
], function( name ) {
api.state.create( name );
});
@ -7184,14 +7235,14 @@
} else if ( response.code ) {
if ( 'not_future_date' === response.code && api.section.has( 'publish_settings' ) && api.section( 'publish_settings' ).active.get() && api.control.has( 'changeset_scheduled_date' ) ) {
api.control( 'changeset_scheduled_date' ).toggleFutureDateNotification( true ).focus();
} else {
} else if ( 'changeset_locked' !== response.code ) {
notification = new api.Notification( response.code, _.extend( notificationArgs, {
message: response.message
} ) );
}
} else {
notification = new api.Notification( 'unknown_error', _.extend( notificationArgs, {
message: api.l10n.serverSaveError
message: api.l10n.unknownRequestFail
} ) );
}
@ -7497,6 +7548,7 @@
selectedChangesetDate = state.instance( 'selectedChangesetDate' ),
previewerAlive = state.instance( 'previewerAlive' ),
editShortcutVisibility = state.instance( 'editShortcutVisibility' ),
changesetLocked = state.instance( 'changesetLocked' ),
populateChangesetUuidParam;
state.bind( 'change', function() {
@ -7547,7 +7599,7 @@
* Save (publish) button should be enabled if saving is not currently happening,
* and if the theme is not active or the changeset exists but is not published.
*/
canSave = ! saving() && ! trashing() && ( ! activated() || ! saved() || ( changesetStatus() !== selectedChangesetStatus() && '' !== changesetStatus() ) || ( 'future' === selectedChangesetStatus() && changesetDate.get() !== selectedChangesetDate.get() ) );
canSave = ! saving() && ! trashing() && ! changesetLocked() && ( ! activated() || ! saved() || ( changesetStatus() !== selectedChangesetStatus() && '' !== changesetStatus() ) || ( 'future' === selectedChangesetStatus() && changesetDate.get() !== selectedChangesetDate.get() ) );
saveBtn.prop( 'disabled', ! canSave );
});
@ -7561,6 +7613,7 @@
// Set default states.
changesetStatus( api.settings.changeset.status );
changesetLocked( Boolean( api.settings.changeset.lockUser ) );
changesetDate( api.settings.changeset.publishDate );
selectedChangesetDate( api.settings.changeset.publishDate );
selectedChangesetStatus( '' === api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ? 'publish' : api.settings.changeset.status );
@ -7660,6 +7713,185 @@
}
}( api.state ) );
/**
* Handles lock notice and take over request.
*
* @since 4.9.0
*/
( function checkAndDisplayLockNotice() {
/**
* A notification that is displayed in a full-screen overlay with information about the locked changeset.
*
* @since 4.9.0
* @class
* @augments wp.customize.Notification
* @augments wp.customize.OverlayNotification
*/
var LockedNotification = api.OverlayNotification.extend({
/**
* Template ID.
*
* @type {string}
*/
templateId: 'customize-changeset-locked-notification',
/**
* Lock user.
*
* @type {object}
*/
lockUser: null,
/**
* Initialize.
*
* @since 4.9.0
*
* @param {string} [code] - Code.
* @param {object} [params] - Params.
*/
initialize: function( code, params ) {
var notification = this, _code, _params;
_code = code || 'changeset_locked';
_params = _.extend(
{
type: 'warning',
containerClasses: '',
lockUser: {}
},
params
);
_params.containerClasses += ' notification-changeset-locked';
api.OverlayNotification.prototype.initialize.call( notification, _code, _params );
},
/**
* Render notification.
*
* @since 4.9.0
*
* @return {jQuery} Notification container.
*/
render: function() {
var notification = this, li, data, takeOverButton, request;
data = _.extend(
{
allowOverride: false,
returnUrl: api.settings.url['return'],
previewUrl: api.previewer.previewUrl.get(),
frontendPreviewUrl: api.previewer.getFrontendPreviewUrl()
},
this
);
li = api.OverlayNotification.prototype.render.call( data );
// Try to autosave the changeset now.
api.requestChangesetUpdate( {}, { autosave: true } ).fail( function( response ) {
if ( ! response.autosaved ) {
li.find( '.notice-error' ).prop( 'hidden', false ).text( response.message || api.l10n.unknownRequestFail );
}
} );
takeOverButton = li.find( '.customize-notice-take-over-button' );
takeOverButton.on( 'click', function( event ) {
event.preventDefault();
if ( request ) {
return;
}
takeOverButton.addClass( 'disabled' );
request = wp.ajax.post( 'customize_override_changeset_lock', {
wp_customize: 'on',
customize_theme: api.settings.theme.stylesheet,
customize_changeset_uuid: api.settings.changeset.uuid,
nonce: api.settings.nonce.override_lock
} );
request.done( function() {
api.notifications.remove( notification.code ); // Remove self.
api.state( 'changesetLocked' ).set( false );
} );
request.fail( function( response ) {
var message = response.message || api.l10n.unknownRequestFail;
li.find( '.notice-error' ).prop( 'hidden', false ).text( message );
request.always( function() {
takeOverButton.removeClass( 'disabled' );
} );
} );
request.always( function() {
request = null;
} );
} );
return li;
}
});
/**
* Start lock.
*
* @since 4.9.0
*
* @param {object} [args] - Args.
* @param {object} [args.lockUser] - Lock user data.
* @param {boolean} [args.allowOverride=false] - Whether override is allowed.
* @returns {void}
*/
function startLock( args ) {
if ( args && args.lockUser ) {
api.settings.changeset.lockUser = args.lockUser;
}
api.state( 'changesetLocked' ).set( true );
api.notifications.add( new LockedNotification( 'changeset_locked', {
lockUser: api.settings.changeset.lockUser,
allowOverride: Boolean( args && args.allowOverride )
} ) );
}
// Show initial notification.
if ( api.settings.changeset.lockUser ) {
startLock( { allowOverride: true } );
}
// Check for lock when sending heartbeat requests.
$( document ).on( 'heartbeat-send.update_lock_notice', function( event, data ) {
data.check_changeset_lock = true;
} );
// Handle heartbeat ticks.
$( document ).on( 'heartbeat-tick.update_lock_notice', function( event, data ) {
var notification, code = 'changeset_locked';
if ( ! data.customize_changeset_lock_user ) {
return;
}
// Update notification when a different user takes over.
notification = api.notifications( code );
if ( notification && notification.lockUser.id !== api.settings.changeset.lockUser.id ) {
api.notifications.remove( code );
}
startLock( {
lockUser: data.customize_changeset_lock_user
} );
} );
// Handle locking in response to changeset save errors.
api.bind( 'error', function( response ) {
if ( 'changeset_locked' === response.code && response.lock_user ) {
startLock( {
lockUser: response.lock_user
} );
}
} );
} )();
// Set up initial notifications.
(function() {
@ -7733,11 +7965,12 @@
// Handle dismissal of notice.
li.find( '.notice-dismiss' ).on( 'click', function() {
wp.ajax.post( 'customize_dismiss_autosave', {
wp.ajax.post( 'customize_dismiss_autosave_or_lock', {
wp_customize: 'on',
customize_theme: api.settings.theme.stylesheet,
customize_changeset_uuid: api.settings.changeset.uuid,
nonce: api.settings.nonce.dismiss_autosave
nonce: api.settings.nonce.dismiss_autosave_or_lock,
dismiss_autosave: true
} );
} );
@ -8167,7 +8400,7 @@
// Prompt user with AYS dialog if leaving the Customizer with unsaved changes
$( window ).on( 'beforeunload.customize-confirm', function() {
if ( ! isCleanState() ) {
if ( ! isCleanState() && ! api.state( 'changesetLocked' ).get() ) {
setTimeout( function() {
overlay.removeClass( 'customize-loading' );
}, 1 );
@ -8178,11 +8411,14 @@
api.bind( 'change', startPromptingBeforeUnload );
function requestClose() {
var clearedToClose = $.Deferred();
var clearedToClose = $.Deferred(), dismissAutoSave = false, dismissLock = false;
if ( isCleanState() ) {
clearedToClose.resolve();
dismissLock = true;
} else if ( confirm( api.l10n.saveAlert ) ) {
dismissLock = true;
// Mark all settings as clean to prevent another call to requestChangesetUpdate.
api.each( function( setting ) {
setting._dirty = false;
@ -8191,24 +8427,29 @@
$( window ).off( 'beforeunload.wp-customize-changeset-update' );
closeBtn.css( 'cursor', 'progress' );
if ( '' === api.state( 'changesetStatus' ).get() ) {
clearedToClose.resolve();
} else {
wp.ajax.send( 'customize_dismiss_autosave', {
timeout: 500, // Don't wait too long.
data: {
wp_customize: 'on',
customize_theme: api.settings.theme.stylesheet,
customize_changeset_uuid: api.settings.changeset.uuid,
nonce: api.settings.nonce.dismiss_autosave
}
} ).always( function() {
clearedToClose.resolve();
} );
if ( '' !== api.state( 'changesetStatus' ).get() ) {
dismissAutoSave = true;
}
} else {
clearedToClose.reject();
}
if ( dismissLock || dismissAutoSave ) {
wp.ajax.send( 'customize_dismiss_autosave_or_lock', {
timeout: 500, // Don't wait too long.
data: {
wp_customize: 'on',
customize_theme: api.settings.theme.stylesheet,
customize_changeset_uuid: api.settings.changeset.uuid,
nonce: api.settings.nonce.dismiss_autosave_or_lock,
dismiss_autosave: dismissAutoSave,
dismiss_lock: dismissLock
}
} ).always( function() {
clearedToClose.resolve();
} );
}
return clearedToClose.promise();
}

8
wp-admin/js/customize-controls.min.js vendored
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File diff suppressed because one or more lines are too long

344
wp-includes/class-wp-customize-manager.php
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@ -174,7 +174,7 @@ final class WP_Customize_Manager {
protected $messenger_channel;
/**
* Whether the autosave revision of the changeset should should be loaded.
* Whether the autosave revision of the changeset should be loaded.
*
* @since 4.9.0
* @var bool
@ -373,11 +373,14 @@ final class WP_Customize_Manager {
remove_action( 'admin_init', '_maybe_update_plugins' );
remove_action( 'admin_init', '_maybe_update_themes' );
add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
add_action( 'wp_ajax_customize_trash', array( $this, 'handle_changeset_trash_request' ) );
add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
add_action( 'wp_ajax_customize_load_themes', array( $this, 'handle_load_themes_request' ) );
add_action( 'wp_ajax_customize_dismiss_autosave', array( $this, 'handle_dismiss_autosave_request' ) );
add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
add_action( 'wp_ajax_customize_trash', array( $this, 'handle_changeset_trash_request' ) );
add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
add_action( 'wp_ajax_customize_load_themes', array( $this, 'handle_load_themes_request' ) );
add_filter( 'heartbeat_settings', array( $this, 'add_customize_screen_to_heartbeat_settings' ) );
add_filter( 'heartbeat_received', array( $this, 'check_changeset_lock_with_heartbeat' ), 10, 3 );
add_action( 'wp_ajax_customize_override_changeset_lock', array( $this, 'handle_override_changeset_lock_request' ) );
add_action( 'wp_ajax_customize_dismiss_autosave_or_lock', array( $this, 'handle_dismiss_autosave_or_lock_request' ) );
add_action( 'customize_register', array( $this, 'register_controls' ) );
add_action( 'customize_register', array( $this, 'register_dynamic_settings' ), 11 ); // allow code to create settings first
@ -629,6 +632,8 @@ final class WP_Customize_Manager {
$this->_changeset_uuid = $changeset_uuid;
}
$this->set_changeset_lock( $this->changeset_post_id() );
}
/**
@ -1106,7 +1111,7 @@ final class WP_Customize_Manager {
$this->_changeset_data = array();
} else {
if ( $this->autosaved() ) {
$autosave_post = wp_get_post_autosave( $changeset_post_id );
$autosave_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
if ( $autosave_post ) {
$data = $this->get_changeset_post_data( $autosave_post->ID );
if ( ! is_wp_error( $data ) ) {
@ -2376,11 +2381,24 @@ final class WP_Customize_Manager {
}
}
$lock_user_id = null;
$autosave = ! empty( $_POST['customize_changeset_autosave'] );
if ( ! $is_new_changeset ) {
$lock_user_id = wp_check_post_lock( $this->changeset_post_id() );
}
// Force request to autosave when changeset is locked.
if ( $lock_user_id && ! $autosave ) {
$autosave = true;
$changeset_status = null;
$changeset_date_gmt = null;
}
if ( $autosave && ! defined( 'DOING_AUTOSAVE' ) ) { // Back-compat.
define( 'DOING_AUTOSAVE', true );
}
$autosaved = false;
$r = $this->save_changeset_post( array(
'status' => $changeset_status,
'title' => $changeset_title,
@ -2388,6 +2406,21 @@ final class WP_Customize_Manager {
'data' => $input_changeset_data,
'autosave' => $autosave,
) );
if ( $autosave && ! is_wp_error( $r ) ) {
$autosaved = true;
}
// If the changeset was locked and an autosave request wasn't itself an error, then now explicitly return with a failure.
if ( $lock_user_id && ! is_wp_error( $r ) ) {
$r = new WP_Error(
'changeset_locked',
__( 'Changeset is being edited by other user.' ),
array(
'lock_user' => $this->get_lock_user_data( $lock_user_id ),
)
);
}
if ( is_wp_error( $r ) ) {
$response = array(
'message' => $r->get_error_message(),
@ -2413,6 +2446,10 @@ final class WP_Customize_Manager {
$response['changeset_status'] = 'publish';
}
if ( 'publish' !== $response['changeset_status'] ) {
$this->set_changeset_lock( $changeset_post->ID );
}
if ( 'future' === $response['changeset_status'] ) {
$response['changeset_date'] = $changeset_post->post_date;
}
@ -2422,6 +2459,10 @@ final class WP_Customize_Manager {
}
}
if ( $autosave ) {
$response['autosaved'] = $autosaved;
}
if ( isset( $response['setting_validities'] ) ) {
$response['setting_validities'] = array_map( array( $this, 'prepare_setting_validity_for_js' ), $response['setting_validities'] );
}
@ -2684,6 +2725,7 @@ final class WP_Customize_Manager {
array(
'type' => $setting->type,
'user_id' => $args['user_id'],
'date_modified_gmt' => current_time( 'mysql', true ),
)
);
@ -2798,7 +2840,7 @@ final class WP_Customize_Manager {
$r = wp_update_post( wp_slash( $post_array ), true );
// Delete autosave revision when the changeset is updated.
$autosave_draft = wp_get_post_autosave( $changeset_post_id );
$autosave_draft = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
if ( $autosave_draft ) {
wp_delete_post( $autosave_draft->ID, true );
}
@ -2989,6 +3031,157 @@ final class WP_Customize_Manager {
return $caps;
}
/**
* Marks the changeset post as being currently edited by the current user.
*
* @since 4.9.0
*
* @param int $changeset_post_id Changeset post id.
* @param bool $take_over Take over the changeset, default is false.
*/
public function set_changeset_lock( $changeset_post_id, $take_over = false ) {
if ( $changeset_post_id ) {
$can_override = ! (bool) get_post_meta( $changeset_post_id, '_edit_lock', true );
if ( $take_over ) {
$can_override = true;
}
if ( $can_override ) {
$lock = sprintf( '%s:%s', time(), get_current_user_id() );
update_post_meta( $changeset_post_id, '_edit_lock', $lock );
} else {
$this->refresh_changeset_lock( $changeset_post_id );
}
}
}
/**
* Refreshes changeset lock with the current time if current user edited the changeset before.
*
* @since 4.9.0
*
* @param int $changeset_post_id Changeset post id.
*/
public function refresh_changeset_lock( $changeset_post_id ) {
if ( ! $changeset_post_id ) {
return;
}
$lock = get_post_meta( $changeset_post_id, '_edit_lock', true );
$lock = explode( ':', $lock );
if ( $lock && ! empty( $lock[1] ) ) {
$user_id = intval( $lock[1] );
$current_user_id = get_current_user_id();
if ( $user_id === $current_user_id ) {
$lock = sprintf( '%s:%s', time(), $user_id );
update_post_meta( $changeset_post_id, '_edit_lock', $lock );
}
}
}
/**
* Filter heartbeat settings for the Customizer.
*
* @since 4.9.0
* @param array $settings Current settings to filter.
* @return array Heartbeat settings.
*/
public function add_customize_screen_to_heartbeat_settings( $settings ) {
global $pagenow;
if ( 'customize.php' === $pagenow ) {
$settings['screenId'] = 'customize';
}
return $settings;
}
/**
* Get lock user data.
*
* @since 4.9.0
*
* @param int $user_id User ID.
* @return array|null User data formatted for client.
*/
protected function get_lock_user_data( $user_id ) {
if ( ! $user_id ) {
return null;
}
$lock_user = get_userdata( $user_id );
if ( ! $lock_user ) {
return null;
}
return array(
'id' => $lock_user->ID,
'name' => $lock_user->display_name,
'avatar' => get_avatar_url( $lock_user->ID, array( 'size' => 128 ) ),
);
}
/**
* Check locked changeset with heartbeat API.
*
* @since 4.9.0
*
* @param array $response The Heartbeat response.
* @param array $data The $_POST data sent.
* @param string $screen_id The screen id.
* @return array The Heartbeat response.
*/
public function check_changeset_lock_with_heartbeat( $response, $data, $screen_id ) {
if ( array_key_exists( 'check_changeset_lock', $data ) && 'customize' === $screen_id && current_user_can( 'customize' ) && $this->changeset_post_id() ) {
$lock_user_id = wp_check_post_lock( $this->changeset_post_id() );
if ( $lock_user_id ) {
$response['customize_changeset_lock_user'] = $this->get_lock_user_data( $lock_user_id );
} else {
// Refreshing time will ensure that the user is sitting on customizer and has not closed the customizer tab.
$this->refresh_changeset_lock( $this->changeset_post_id() );
}
}
return $response;
}
/**
* Removes changeset lock when take over request is sent via Ajax.
*
* @since 4.9.0
*/
public function handle_override_changeset_lock_request() {
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview', 400 );
}
if ( ! check_ajax_referer( 'customize_override_changeset_lock', 'nonce', false ) ) {
wp_send_json_error( array(
'code' => 'invalid_nonce',
'message' => __( 'Security check failed.' ),
) );
}
$changeset_post_id = $this->changeset_post_id();
if ( empty( $changeset_post_id ) ) {
wp_send_json_error( array(
'code' => 'no_changeset_found_to_take_over',
'message' => __( 'No changeset found to take over' ),
) );
}
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) {
wp_send_json_error( array(
'code' => 'cannot_remove_changeset_lock',
'message' => __( 'Sorry you are not allowed to take over.' ),
) );
}
$this->set_changeset_lock( $changeset_post_id, true );
wp_send_json_success( 'changeset_taken_over' );
}
/**
* Whether a changeset revision should be made.
*
@ -3033,11 +3226,14 @@ final class WP_Customize_Manager {
*
* @since 4.7.0
* @see _wp_customize_publish_changeset()
* @global wpdb $wpdb
*
* @param int $changeset_post_id ID for customize_changeset post. Defaults to the changeset for the current manager instance.
* @return true|WP_Error True or error info.
*/
public function _publish_changeset_values( $changeset_post_id ) {
global $wpdb;
$publishing_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
if ( is_wp_error( $publishing_changeset_data ) ) {
return $publishing_changeset_data;
@ -3175,6 +3371,30 @@ final class WP_Customize_Manager {
$this->_changeset_post_id = $previous_changeset_post_id;
$this->_changeset_uuid = $previous_changeset_uuid;
/*
* Convert all autosave revisions into their own auto-drafts so that users can be prompted to
* restore them when a changeset is published, but they had been locked out from including
* their changes in the changeset.
*/
$revisions = wp_get_post_revisions( $changeset_post_id, array( 'check_enabled' => false ) );
foreach ( $revisions as $revision ) {
if ( false !== strpos( $revision->post_name, "{$changeset_post_id}-autosave" ) ) {
$wpdb->update(
$wpdb->posts,
array(
'post_status' => 'auto-draft',
'post_type' => 'customize_changeset',
'post_name' => wp_generate_uuid4(),
'post_parent' => 0,
),
array(
'ID' => $revision->ID,
)
);
clean_post_cache( $revision->ID );
}
}
return true;
}
@ -3229,45 +3449,65 @@ final class WP_Customize_Manager {
}
/**
* Delete a given auto-draft changeset or the autosave revision for a given changeset.
* Delete a given auto-draft changeset or the autosave revision for a given changeset or delete changeset lock.
*
* @since 4.9.0
*/
public function handle_dismiss_autosave_request() {
public function handle_dismiss_autosave_or_lock_request() {
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview', 400 );
}
if ( ! check_ajax_referer( 'customize_dismiss_autosave', 'nonce', false ) ) {
if ( ! check_ajax_referer( 'customize_dismiss_autosave_or_lock', 'nonce', false ) ) {
wp_send_json_error( 'invalid_nonce', 403 );
}
$changeset_post_id = $this->changeset_post_id();
$dismiss_lock = ! empty( $_POST['dismiss_lock'] );
$dismiss_autosave = ! empty( $_POST['dismiss_autosave'] );
if ( empty( $changeset_post_id ) || 'auto-draft' === get_post_status( $changeset_post_id ) ) {
$dismissed = $this->dismiss_user_auto_draft_changesets();
if ( $dismissed > 0 ) {
wp_send_json_success( 'auto_draft_dismissed' );
} else {
wp_send_json_error( 'no_auto_draft_to_delete', 404 );
if ( $dismiss_lock ) {
if ( empty( $changeset_post_id ) && ! $dismiss_autosave ) {
wp_send_json_error( 'no_changeset_to_dismiss_lock', 404 );
}
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) && ! $dismiss_autosave ) {
wp_send_json_error( 'cannot_remove_changeset_lock', 403 );
}
} else {
$revision = wp_get_post_autosave( $changeset_post_id );
if ( $revision ) {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->delete_post, $changeset_post_id ) ) {
wp_send_json_error( 'cannot_delete_autosave_revision', 403 );
}
delete_post_meta( $changeset_post_id, '_edit_lock' );
if ( ! wp_delete_post( $revision->ID, true ) ) {
wp_send_json_error( 'autosave_revision_deletion_failure', 500 );
} else {
wp_send_json_success( 'autosave_revision_deleted' );
}
} else {
wp_send_json_error( 'no_autosave_revision_to_delete', 404 );
if ( ! $dismiss_autosave ) {
wp_send_json_success( 'changeset_lock_dismissed' );
}
}
if ( $dismiss_autosave ) {
if ( empty( $changeset_post_id ) || 'auto-draft' === get_post_status( $changeset_post_id ) ) {
$dismissed = $this->dismiss_user_auto_draft_changesets();
if ( $dismissed > 0 ) {
wp_send_json_success( 'auto_draft_dismissed' );
} else {
wp_send_json_error( 'no_auto_draft_to_delete', 404 );
}
} else {
$revision = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
if ( $revision ) {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->delete_post, $changeset_post_id ) ) {
wp_send_json_error( 'cannot_delete_autosave_revision', 403 );
}
if ( ! wp_delete_post( $revision->ID, true ) ) {
wp_send_json_error( 'autosave_revision_deletion_failure', 500 );
} else {
wp_send_json_success( 'autosave_revision_deleted' );
}
} else {
wp_send_json_error( 'no_autosave_revision_to_delete', 404 );
}
}
}
wp_send_json_error( 'unknown_error', 500 );
}
@ -3817,6 +4057,39 @@ final class WP_Customize_Manager {
</li>
</script>
<script type="text/html" id="tmpl-customize-changeset-locked-notification">
<li class="notice notice-{{ data.type || 'info' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}">
<div class="notification-message customize-changeset-locked-message">
<img class="customize-changeset-locked-avatar" src="{{ data.lockUser.avatar }}" alt="{{ data.lockUser.name }}">
<p class="currently-editing">
<# if ( data.message ) { #>
{{{ data.message }}}
<# } else if ( data.allowOverride ) { #>
<?php
/* translators: %s: User who is customizing the changeset in customizer. */
printf( __( '%s is already customizing this site. Do you want to take over?' ), '{{ data.lockUser.name }}' );
?>
<# } else { #>
<?php
/* translators: %s: User who is customizing the changeset in customizer. */
printf( __( '%s is already customizing this site. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ), '{{ data.lockUser.name }}' );
?>
<# } #>
</p>
<p class="notice notice-error notice-alt" hidden></p>
<p class="action-buttons">
<# if ( data.returnUrl !== data.previewUrl ) { #>
<a class="button customize-notice-go-back-button" href="{{ data.returnUrl }}"><?php _e( 'Go back' ); ?></a>
<# } #>
<a class="button customize-notice-preview-button" href="{{ data.frontendPreviewUrl }}"><?php _e( 'Preview' ); ?></a>
<# if ( data.allowOverride ) { #>
<button class="button button-primary wp-tab-last customize-notice-take-over-button"><?php _e( 'Take over' ); ?></button>
<# } #>
</p>
</div>
</li>
</script>
<?php
/* The following template is obsolete in core but retained for plugins. */
?>
@ -4188,7 +4461,8 @@ final class WP_Customize_Manager {
'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ),
'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() ),
'switch_themes' => wp_create_nonce( 'switch_themes' ),
'dismiss_autosave' => wp_create_nonce( 'customize_dismiss_autosave' ),
'dismiss_autosave_or_lock' => wp_create_nonce( 'customize_dismiss_autosave_or_lock' ),
'override_lock' => wp_create_nonce( 'customize_override_changeset_lock' ),
'trash' => wp_create_nonce( 'trash_customize_changeset' ),
);
@ -4231,7 +4505,7 @@ final class WP_Customize_Manager {
$changeset_post_id = $this->changeset_post_id();
if ( ! $this->saved_starter_content_changeset && ! $this->autosaved() ) {
if ( $changeset_post_id ) {
$autosave_revision_post = wp_get_post_autosave( $changeset_post_id );
$autosave_revision_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
} else {
$autosave_autodraft_posts = $this->get_changeset_posts( array(
'posts_per_page' => 1,
@ -4277,6 +4551,11 @@ final class WP_Customize_Manager {
$initial_date = current_time( 'mysql', false );
}
$lock_user_id = false;
if ( $this->changeset_post_id() ) {
$lock_user_id = wp_check_post_lock( $this->changeset_post_id() );
}
$settings = array(
'changeset' => array(
'uuid' => $this->changeset_uuid(),
@ -4288,6 +4567,7 @@ final class WP_Customize_Manager {
'currentUserCanPublish' => $current_user_can_publish,
'publishDate' => $initial_date,
'statusChoices' => $status_choices,
'lockUser' => $lock_user_id ? $this->get_lock_user_data( $lock_user_id ) : null,
),
'initialServerDate' => current_time( 'mysql', false ),
'dateFormat' => get_option( 'date_format' ),

4
wp-includes/js/heartbeat.js
View File

@ -367,6 +367,10 @@
has_focus: settings.hasFocus
};
if ( 'customize' === settings.screenId ) {
ajaxData.wp_customize = 'on';
}
settings.connecting = true;
settings.xhr = $.ajax({
url: settings.url,

2
wp-includes/js/heartbeat.min.js vendored
View File

File diff suppressed because one or more lines are too long

6
wp-includes/script-loader.php
View File

@ -547,7 +547,7 @@ function wp_default_scripts( &$scripts ) {
$scripts->add( 'customize-preview', "/wp-includes/js/customize-preview$suffix.js", array( 'wp-a11y', 'customize-base' ), false, 1 );
$scripts->add( 'customize-models', "/wp-includes/js/customize-models.js", array( 'underscore', 'backbone' ), false, 1 );
$scripts->add( 'customize-views', "/wp-includes/js/customize-views.js", array( 'jquery', 'underscore', 'imgareaselect', 'customize-models', 'media-editor', 'media-views' ), false, 1 );
$scripts->add( 'customize-controls', "/wp-admin/js/customize-controls$suffix.js", array( 'customize-base', 'wp-a11y', 'wp-util' ), false, 1 );
$scripts->add( 'customize-controls', "/wp-admin/js/customize-controls$suffix.js", array( 'customize-base', 'wp-a11y', 'wp-util', 'jquery-ui-core' ), false, 1 );
did_action( 'init' ) && $scripts->localize( 'customize-controls', '_wpCustomizeControlsL10n', array(
'activate' => __( 'Activate &amp; Publish' ),
'save' => __( 'Save &amp; Publish' ), // @todo Remove as not required.
@ -574,11 +574,13 @@ function wp_default_scripts( &$scripts ) {
'collapseSidebar' => _x( 'Hide Controls', 'label for hide controls button without length constraints' ),
'expandSidebar' => _x( 'Show Controls', 'label for hide controls button without length constraints' ),
'untitledBlogName' => __( '(Untitled)' ),
'serverSaveError' => __( 'Failed connecting to the server. Please try saving again.' ),
'unknownRequestFail' => __( 'Looks like something&#8217;s gone wrong. Wait a couple seconds, and then try again.' ),
'themeDownloading' => __( 'Downloading your new theme&hellip;' ),
'themePreviewWait' => __( 'Setting up your live preview. This may take a bit.' ),
'revertingChanges' => __( 'Reverting unpublished changes&hellip;' ),
'trashConfirm' => __( 'Are you sure you&#8217;d like to discard your unpublished changes?' ),
/* translators: %s: Display name of the user who has taken over the changeset in customizer. */
'takenOverMessage' => __( '%s has taken over and is currently customizing.' ),
/* translators: %s: URL to the Customizer to load the autosaved version */
'autosaveNotice' => __( 'There is a more recent autosave of your changes than the one you are previewing. <a href="%s">Restore the autosave</a>' ),
'videoHeaderNotice' => __( 'This theme doesn&#8217;t support video headers on this page. Navigate to the front page or another page that supports video headers.' ),

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.9-beta1-41838';
$wp_version = '4.9-beta1-41839';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.