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Wordpress/src/wp-admin/includes/update.php
Konstantin Obenland ddfbfce2e6 Pass data consistently on plugin, network plugin, and network theme screens. 
List tables on these three screens look similar but come with unexpected caveats.
The network themes screen in particular has been neglected, using a `.plugin`
class to inherit its sibling's styles and not providing classes and data
attributes that the other two offer. This will provide some more consistency.

Fixes #35335.



git-svn-id: https://develop.svn.wordpress.org/trunk@36394 602fd350-edb4-49c9-b593-d223f7449a82
2016-01-25 22:54:52 +00:00

547 lines
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PHP
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<?php
/**
* WordPress Administration Update API
*
* @package WordPress
* @subpackage Administration
*/
/**
* Selects the first update version from the update_core option.
*
* @return object|array|false The response from the API on success, false on failure.
*/
function get_preferred_from_update_core() {
$updates = get_core_updates();
if ( ! is_array( $updates ) )
return false;
if ( empty( $updates ) )
return (object) array( 'response' => 'latest' );
return $updates[0];
}
/**
* Get available core updates.
*
* @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
* set $options['available'] to false to skip not-dismissed updates.
* @return array|false Array of the update objects on success, false on failure.
*/
function get_core_updates( $options = array() ) {
$options = array_merge( array( 'available' => true, 'dismissed' => false ), $options );
$dismissed = get_site_option( 'dismissed_update_core' );
if ( ! is_array( $dismissed ) )
$dismissed = array();
$from_api = get_site_transient( 'update_core' );
if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) )
return false;
$updates = $from_api->updates;
$result = array();
foreach ( $updates as $update ) {
if ( $update->response == 'autoupdate' )
continue;
if ( array_key_exists( $update->current . '|' . $update->locale, $dismissed ) ) {
if ( $options['dismissed'] ) {
$update->dismissed = true;
$result[] = $update;
}
} else {
if ( $options['available'] ) {
$update->dismissed = false;
$result[] = $update;
}
}
}
return $result;
}
/**
* Gets the best available (and enabled) Auto-Update for WordPress Core.
*
* If there's 1.2.3 and 1.3 on offer, it'll choose 1.3 if the install allows it, else, 1.2.3
*
* @since 3.7.0
*
* @return array|false False on failure, otherwise the core update offering.
*/
function find_core_auto_update() {
$updates = get_site_transient( 'update_core' );
if ( ! $updates || empty( $updates->updates ) )
return false;
include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
$auto_update = false;
$upgrader = new WP_Automatic_Updater;
foreach ( $updates->updates as $update ) {
if ( 'autoupdate' != $update->response )
continue;
if ( ! $upgrader->should_update( 'core', $update, ABSPATH ) )
continue;
if ( ! $auto_update || version_compare( $update->current, $auto_update->current, '>' ) )
$auto_update = $update;
}
return $auto_update;
}
/**
* Gets and caches the checksums for the given version of WordPress.
*
* @since 3.7.0
*
* @param string $version Version string to query.
* @param string $locale Locale to query.
* @return bool|array False on failure. An array of checksums on success.
*/
function get_core_checksums( $version, $locale ) {
$url = $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' );
if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
$url = set_url_scheme( $url, 'https' );
$options = array(
'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3 ),
);
$response = wp_remote_get( $url, $options );
if ( $ssl && is_wp_error( $response ) ) {
trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
$response = wp_remote_get( $http_url, $options );
}
if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
return false;
$body = trim( wp_remote_retrieve_body( $response ) );
$body = json_decode( $body, true );
if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) )
return false;
return $body['checksums'];
}
/**
*
* @param object $update
* @return bool
*/
function dismiss_core_update( $update ) {
$dismissed = get_site_option( 'dismissed_update_core' );
$dismissed[ $update->current . '|' . $update->locale ] = true;
return update_site_option( 'dismissed_update_core', $dismissed );
}
/**
*
* @param string $version
* @param string $locale
* @return bool
*/
function undismiss_core_update( $version, $locale ) {
$dismissed = get_site_option( 'dismissed_update_core' );
$key = $version . '|' . $locale;
if ( ! isset( $dismissed[$key] ) )
return false;
unset( $dismissed[$key] );
return update_site_option( 'dismissed_update_core', $dismissed );
}
/**
*
* @param string $version
* @param string $locale
* @return object|false
*/
function find_core_update( $version, $locale ) {
$from_api = get_site_transient( 'update_core' );
if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) )
return false;
$updates = $from_api->updates;
foreach ( $updates as $update ) {
if ( $update->current == $version && $update->locale == $locale )
return $update;
}
return false;
}
/**
*
* @param string $msg
* @return string
*/
function core_update_footer( $msg = '' ) {
if ( !current_user_can('update_core') )
return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
$cur = get_preferred_from_update_core();
if ( ! is_object( $cur ) )
$cur = new stdClass;
if ( ! isset( $cur->current ) )
$cur->current = '';
if ( ! isset( $cur->url ) )
$cur->url = '';
if ( ! isset( $cur->response ) )
$cur->response = '';
switch ( $cur->response ) {
case 'development' :
return sprintf( __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ), get_bloginfo( 'version', 'display' ), network_admin_url( 'update-core.php' ) );
case 'upgrade' :
return '<strong><a href="' . network_admin_url( 'update-core.php' ) . '">' . sprintf( __( 'Get Version %s' ), $cur->current ) . '</a></strong>';
case 'latest' :
default :
return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
}
}
/**
*
* @global string $pagenow
* @return false|void
*/
function update_nag() {
if ( is_multisite() && !current_user_can('update_core') )
return false;
global $pagenow;
if ( 'update-core.php' == $pagenow )
return;
$cur = get_preferred_from_update_core();
if ( ! isset( $cur->response ) || $cur->response != 'upgrade' )
return false;
if ( current_user_can('update_core') ) {
$msg = sprintf( __( '<a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! <a href="%2$s" aria-label="Please update WordPress now">Please update now</a>.' ), $cur->current, network_admin_url( 'update-core.php' ) );
} else {
$msg = sprintf( __('<a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! Please notify the site administrator.'), $cur->current );
}
echo "<div class='update-nag'>$msg</div>";
}
// Called directly from dashboard
function update_right_now_message() {
$theme_name = wp_get_theme();
if ( current_user_can( 'switch_themes' ) ) {
$theme_name = sprintf( '<a href="themes.php">%1$s</a>', $theme_name );
}
$msg = '';
if ( current_user_can('update_core') ) {
$cur = get_preferred_from_update_core();
if ( isset( $cur->response ) && $cur->response == 'upgrade' )
$msg .= '<a href="' . network_admin_url( 'update-core.php' ) . '" class="button" aria-describedby="wp-version">' . sprintf( __( 'Update to %s' ), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a> ';
}
/* translators: 1: version number, 2: theme name */
$content = __( 'WordPress %1$s running %2$s theme.' );
/**
* Filter the text displayed in the 'At a Glance' dashboard widget.
*
* Prior to 3.8.0, the widget was named 'Right Now'.
*
* @since 4.4.0
*
* @param string $content Default text.
*/
$content = apply_filters( 'update_right_now_text', $content );
$msg .= sprintf( '<span id="wp-version">' . $content . '</span>', get_bloginfo( 'version', 'display' ), $theme_name );
echo "<p id='wp-version-message'>$msg</p>";
}
/**
* @since 2.9.0
*
* @return array
*/
function get_plugin_updates() {
$all_plugins = get_plugins();
$upgrade_plugins = array();
$current = get_site_transient( 'update_plugins' );
foreach ( (array)$all_plugins as $plugin_file => $plugin_data) {
if ( isset( $current->response[ $plugin_file ] ) ) {
$upgrade_plugins[ $plugin_file ] = (object) $plugin_data;
$upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ];
}
}
return $upgrade_plugins;
}
/**
* @since 2.9.0
*/
function wp_plugin_update_rows() {
if ( !current_user_can('update_plugins' ) )
return;
$plugins = get_site_transient( 'update_plugins' );
if ( isset($plugins->response) && is_array($plugins->response) ) {
$plugins = array_keys( $plugins->response );
foreach ( $plugins as $plugin_file ) {
add_action( "after_plugin_row_$plugin_file", 'wp_plugin_update_row', 10, 2 );
}
}
}
/**
*
* @param string $file
* @param array $plugin_data
* @return false|void
*/
function wp_plugin_update_row( $file, $plugin_data ) {
$current = get_site_transient( 'update_plugins' );
if ( !isset( $current->response[ $file ] ) )
return false;
$r = $current->response[ $file ];
$plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array());
$plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
$details_url = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $r->slug . '&section=changelog&TB_iframe=true&width=600&height=800');
$wp_list_table = _get_list_table('WP_Plugins_List_Table');
if ( is_network_admin() || !is_multisite() ) {
if ( is_network_admin() ) {
$active_class = is_plugin_active_for_network( $file ) ? ' active': '';
} else {
$active_class = is_plugin_active( $file ) ? ' active' : '';
}
echo '<tr class="plugin-update-tr' . $active_class . '" id="' . esc_attr( $r->slug . '-update' ) . '" data-slug="' . esc_attr( $r->slug ) . '" data-plugin="' . esc_attr( $file ) . '"><td colspan="' . esc_attr( $wp_list_table->get_column_count() ) . '" class="plugin-update colspanchange"><div class="update-message">';
if ( ! current_user_can( 'update_plugins' ) ) {
/* translators: 1: plugin name, 2: details URL, 3: escaped plugin name, 4: version number */
printf( __( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" aria-label="View %3$s version %4$s details">View version %4$s details</a>.' ),
$plugin_name,
esc_url( $details_url ),
esc_attr( $plugin_name ),
$r->new_version
);
} elseif ( empty( $r->package ) ) {
/* translators: 1: plugin name, 2: details URL, 3: escaped plugin name, 4: version number */
printf( __( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" aria-label="View %3$s version %4$s details">View version %4$s details</a>. <em>Automatic update is unavailable for this plugin.</em>' ),
$plugin_name,
esc_url( $details_url ),
esc_attr( $plugin_name ),
$r->new_version
);
} else {
/* translators: 1: plugin name, 2: details URL, 3: escaped plugin name, 4: version number, 5: update URL */
printf( __( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" aria-label="View %3$s version %4$s details">View version %4$s details</a> or <a href="%5$s" class="update-link" aria-label="update %3$s now">update now</a>.' ),
$plugin_name,
esc_url( $details_url ),
esc_attr( $plugin_name ),
$r->new_version,
wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $file, 'upgrade-plugin_' . $file )
);
}
/**
* Fires at the end of the update message container in each
* row of the plugins list table.
*
* The dynamic portion of the hook name, `$file`, refers to the path
* of the plugin's primary file relative to the plugins directory.
*
* @since 2.8.0
*
* @param array $plugin_data {
* An array of plugin metadata.
*
* @type string $name The human-readable name of the plugin.
* @type string $plugin_uri Plugin URI.
* @type string $version Plugin version.
* @type string $description Plugin description.
* @type string $author Plugin author.
* @type string $author_uri Plugin author URI.
* @type string $text_domain Plugin text domain.
* @type string $domain_path Relative path to the plugin's .mo file(s).
* @type bool $network Whether the plugin can only be activated network wide.
* @type string $title The human-readable title of the plugin.
* @type string $author_name Plugin author's name.
* @type bool $update Whether there's an available update. Default null.
* }
* @param array $r {
* An array of metadata about the available plugin update.
*
* @type int $id Plugin ID.
* @type string $slug Plugin slug.
* @type string $new_version New plugin version.
* @type string $url Plugin URL.
* @type string $package Plugin update package URL.
* }
*/
do_action( "in_plugin_update_message-{$file}", $plugin_data, $r );
echo '</div></td></tr>';
}
}
/**
*
* @return array
*/
function get_theme_updates() {
$current = get_site_transient('update_themes');
if ( ! isset( $current->response ) )
return array();
$update_themes = array();
foreach ( $current->response as $stylesheet => $data ) {
$update_themes[ $stylesheet ] = wp_get_theme( $stylesheet );
$update_themes[ $stylesheet ]->update = $data;
}
return $update_themes;
}
/**
* @since 3.1.0
*/
function wp_theme_update_rows() {
if ( !current_user_can('update_themes' ) )
return;
$themes = get_site_transient( 'update_themes' );
if ( isset($themes->response) && is_array($themes->response) ) {
$themes = array_keys( $themes->response );
foreach ( $themes as $theme ) {
add_action( "after_theme_row_$theme", 'wp_theme_update_row', 10, 2 );
}
}
}
/**
*
* @param string $theme_key
* @param WP_Theme $theme
* @return false|void
*/
function wp_theme_update_row( $theme_key, $theme ) {
$current = get_site_transient( 'update_themes' );
if ( !isset( $current->response[ $theme_key ] ) )
return false;
$r = $current->response[ $theme_key ];
$details_url = add_query_arg( array( 'TB_iframe' => 'true', 'width' => 1024, 'height' => 800 ), $current->response[ $theme_key ]['url'] );
$wp_list_table = _get_list_table('WP_MS_Themes_List_Table');
$active = $theme->is_allowed( 'network' ) ? ' active': '';
echo '<tr class="plugin-update-tr' . $active . '" id="' . esc_attr( $theme->get_stylesheet() . '-update' ) . '" data-slug="' . esc_attr( $theme->get_stylesheet() ) . '"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message">';
if ( ! current_user_can('update_themes') ) {
/* translators: 1: theme name, 2: details URL, 3: escaped theme name, 4: version number */
printf( __( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" aria-label="View %3$s version %4$s details">View version %4$s details</a>.'),
$theme['Name'],
esc_url( $details_url ),
esc_attr( $theme['Name'] ),
$r->new_version
);
} elseif ( empty( $r['package'] ) ) {
/* translators: 1: theme name, 2: details URL, 3: escaped theme name, 4: version number */
printf( __( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" aria-label="View %3$s version %4$s details">View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ),
$theme['Name'],
esc_url( $details_url ),
esc_attr( $theme['Name'] ),
$r['new_version']
);
} else {
/* translators: 1: theme name, 2: details URL, 3: escaped theme name, 4: version number, 5: update URL */
printf( __( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" aria-label="View %3$s version %4$s details">View version %4$s details</a> or <a href="%5$s" class="update-link" aria-label="update %3$s now">update now</a>.' ),
$theme['Name'],
esc_url( $details_url ),
esc_attr( $theme['Name'] ),
$r['new_version'],
wp_nonce_url( self_admin_url( 'update.php?action=upgrade-theme&theme=' ) . $theme_key, 'upgrade-theme_' . $theme_key )
);
}
/**
* Fires at the end of the update message container in each
* row of the themes list table.
*
* The dynamic portion of the hook name, `$theme_key`, refers to
* the theme slug as found in the WordPress.org themes repository.
*
* @since 3.1.0
*
* @param WP_Theme $theme The WP_Theme object.
* @param array $r {
* An array of metadata about the available theme update.
*
* @type string $new_version New theme version.
* @type string $url Theme URL.
* @type string $package Theme update package URL.
* }
*/
do_action( "in_theme_update_message-{$theme_key}", $theme, $r );
echo '</div></td></tr>';
}
/**
*
* @global int $upgrading
* @return false|void
*/
function maintenance_nag() {
include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
global $upgrading;
$nag = isset( $upgrading );
if ( ! $nag ) {
$failed = get_site_option( 'auto_core_update_failed' );
/*
* If an update failed critically, we may have copied over version.php but not other files.
* In that case, if the install claims we're running the version we attempted, nag.
* This is serious enough to err on the side of nagging.
*
* If we simply failed to update before we tried to copy any files, then assume things are
* OK if they are now running the latest.
*
* This flag is cleared whenever a successful update occurs using Core_Upgrader.
*/
$comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
if ( version_compare( $failed['attempted'], $wp_version, $comparison ) )
$nag = true;
}
if ( ! $nag )
return false;
if ( current_user_can('update_core') )
$msg = sprintf( __('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'), 'update-core.php' );
else
$msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.');
echo "<div class='update-nag'>$msg</div>";
}
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