/** * A simple set of functions to check our version 1.0 update service. * * @package WordPress * @since 2.3.0 */ /** * Check WordPress version against the newest version. * * The WordPress version, PHP version, and Locale is sent. Checks against the * WordPress server at api.wordpress.org server. Will only check if WordPress * isn't installing. * * @since 2.3.0 * @uses $wp_version Used to check against the newest WordPress version. * * @param array $extra_stats Extra statistics to report to the WordPress.org API. * @param bool $force_check Whether to bypass the transient cache and force a fresh update check. Defaults to false, true if $extra_stats is set. * @return mixed Returns null if update is unsupported. Returns false if check is too soon. */ function wp_version_check( $extra_stats = array(), $force_check = false ) { if ( defined('WP_INSTALLING') ) return; global $wpdb, $wp_local_package; include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version $php_version = phpversion(); $current = get_site_transient( 'update_core' ); $translations = wp_get_installed_translations( 'core' ); // Invalidate the transient when $wp_version changes if ( is_object( $current ) && $wp_version != $current->version_checked ) $current = false; if ( ! is_object($current) ) { $current = new stdClass; $current->updates = array(); $current->version_checked = $wp_version; } if ( ! empty( $extra_stats ) ) $force_check = true; // Wait 60 seconds between multiple version check requests $timeout = 60; $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked ); if ( ! $force_check && $time_not_changed ) return false; $locale = get_locale(); /** * Filter the locale requested for WordPress core translations. * * @since 2.8.0 * * @param string $locale Current locale. */ $locale = apply_filters( 'core_version_check_locale', $locale ); // Update last_checked for current to prevent multiple blocking requests if request hangs $current->last_checked = time(); set_site_transient( 'update_core', $current ); if ( method_exists( $wpdb, 'db_version' ) ) $mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version()); else $mysql_version = 'N/A'; if ( is_multisite() ) { $user_count = get_user_count(); $num_blogs = get_blog_count(); $wp_install = network_site_url(); $multisite_enabled = 1; } else { $user_count = count_users(); $user_count = $user_count['total_users']; $multisite_enabled = 0; $num_blogs = 1; $wp_install = home_url( '/' ); } $query = array( 'version' => $wp_version, 'php' => $php_version, 'locale' => $locale, 'mysql' => $mysql_version, 'local_package' => isset( $wp_local_package ) ? $wp_local_package : '', 'blogs' => $num_blogs, 'users' => $user_count, 'multisite_enabled' => $multisite_enabled, ); $post_body = array( 'translations' => json_encode( $translations ), ); if ( is_array( $extra_stats ) ) $post_body = array_merge( $post_body, $extra_stats ); $url = $http_url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, null, '&' ); if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) $url = set_url_scheme( $url, 'https' ); $options = array( 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3 ), 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ), 'headers' => array( 'wp_install' => $wp_install, 'wp_blog' => home_url( '/' ) ), 'body' => $post_body, ); $response = wp_remote_post( $url, $options ); if ( $ssl && is_wp_error( $response ) ) { trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ) . ' ' . __( '(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_post( $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['offers'] ) ) return false; $offers = $body['offers']; foreach ( $offers as &$offer ) { foreach ( $offer as $offer_key => $value ) { if ( 'packages' == $offer_key ) $offer['packages'] = (object) array_intersect_key( array_map( 'esc_url', $offer['packages'] ), array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial', 'rollback' ), '' ) ); elseif ( 'download' == $offer_key ) $offer['download'] = esc_url( $value ); else $offer[ $offer_key ] = esc_html( $value ); } $offer = (object) array_intersect_key( $offer, array_fill_keys( array( 'response', 'download', 'locale', 'packages', 'current', 'version', 'php_version', 'mysql_version', 'new_bundled', 'partial_version', 'notify_email', 'support_email' ), '' ) ); } $updates = new stdClass(); $updates->updates = $offers; $updates->last_checked = time(); $updates->version_checked = $wp_version; if ( isset( $body['translations'] ) ) $updates->translations = $body['translations']; set_site_transient( 'update_core', $updates ); if ( ! empty( $body['ttl'] ) ) { $ttl = (int) $body['ttl']; if ( $ttl && ( time() + $ttl < wp_next_scheduled( 'wp_version_check' ) ) ) { // Queue an event to re-run the update check in $ttl seconds. wp_schedule_single_event( time() + $ttl, 'wp_version_check' ); } } // Trigger a background updates check if running non-interactively, and we weren't called from the update handler. if ( defined( 'DOING_CRON' ) && DOING_CRON && ! doing_action( 'wp_maybe_auto_update' ) ) { do_action( 'wp_maybe_auto_update' ); } } /** * Check plugin versions against the latest versions hosted on WordPress.org. * * The WordPress version, PHP version, and Locale is sent along with a list of * all plugins installed. Checks against the WordPress server at * api.wordpress.org. Will only check if WordPress isn't installing. * * @since 2.3.0 * @uses $wp_version Used to notify the WordPress version. * * @param array $extra_stats Extra statistics to report to the WordPress.org API. * @return mixed Returns null if update is unsupported. Returns false if check is too soon. */ function wp_update_plugins( $extra_stats = array() ) { include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version if ( defined('WP_INSTALLING') ) return false; // If running blog-side, bail unless we've not checked in the last 12 hours if ( !function_exists( 'get_plugins' ) ) require_once( ABSPATH . 'wp-admin/includes/plugin.php' ); $plugins = get_plugins(); $translations = wp_get_installed_translations( 'plugins' ); $active = get_option( 'active_plugins', array() ); $current = get_site_transient( 'update_plugins' ); if ( ! is_object($current) ) $current = new stdClass; $new_option = new stdClass; $new_option->last_checked = time(); // Check for update on a different schedule, depending on the page. switch ( current_filter() ) { case 'upgrader_process_complete' : $timeout = 0; break; case 'load-update-core.php' : $timeout = MINUTE_IN_SECONDS; break; case 'load-plugins.php' : case 'load-update.php' : $timeout = HOUR_IN_SECONDS; break; default : if ( defined( 'DOING_CRON' ) && DOING_CRON ) { $timeout = 0; } else { $timeout = 12 * HOUR_IN_SECONDS; } } $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked ); if ( $time_not_changed && ! $extra_stats ) { $plugin_changed = false; foreach ( $plugins as $file => $p ) { $new_option->checked[ $file ] = $p['Version']; if ( !isset( $current->checked[ $file ] ) || strval($current->checked[ $file ]) !== strval($p['Version']) ) $plugin_changed = true; } if ( isset ( $current->response ) && is_array( $current->response ) ) { foreach ( $current->response as $plugin_file => $update_details ) { if ( ! isset($plugins[ $plugin_file ]) ) { $plugin_changed = true; break; } } } // Bail if we've checked recently and if nothing has changed if ( ! $plugin_changed ) return false; } // Update last_checked for current to prevent multiple blocking requests if request hangs $current->last_checked = time(); set_site_transient( 'update_plugins', $current ); $to_send = compact( 'plugins', 'active' ); $locales = array( get_locale() ); /** * Filter the locales requested for plugin translations. * * @since 3.7.0 * * @param array $locales Plugin locale. Default is current locale of the site. */ $locales = apply_filters( 'plugins_update_check_locales', $locales ); if ( defined( 'DOING_CRON' ) && DOING_CRON ) { $timeout = 30; } else { // Three seconds, plus one extra second for every 10 plugins $timeout = 3 + (int) ( count( $plugins ) / 10 ); } $options = array( 'timeout' => $timeout, 'body' => array( 'plugins' => json_encode( $to_send ), 'translations' => json_encode( $translations ), 'locale' => json_encode( $locales ), 'all' => json_encode( true ), ), 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ); if ( $extra_stats ) { $options['body']['update_stats'] = json_encode( $extra_stats ); } $url = $http_url = 'http://api.wordpress.org/plugins/update-check/1.1/'; if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) $url = set_url_scheme( $url, 'https' ); $raw_response = wp_remote_post( $url, $options ); if ( $ssl && is_wp_error( $raw_response ) ) { trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ) . ' ' . __( '(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 ); $raw_response = wp_remote_post( $http_url, $options ); } if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) ) return false; $response = json_decode( wp_remote_retrieve_body( $raw_response ), true ); foreach ( $response['plugins'] as &$plugin ) { $plugin = (object) $plugin; } unset( $plugin ); foreach ( $response['no_update'] as &$plugin ) { $plugin = (object) $plugin; } unset( $plugin ); if ( is_array( $response ) ) { $new_option->response = $response['plugins']; $new_option->translations = $response['translations']; // TODO: Perhaps better to store no_update in a separate transient with an expiry? $new_option->no_update = $response['no_update']; } else { $new_option->response = array(); $new_option->translations = array(); $new_option->no_update = array(); } set_site_transient( 'update_plugins', $new_option ); } /** * Check theme versions against the latest versions hosted on WordPress.org. * * A list of all themes installed in sent to WP. Checks against the * WordPress server at api.wordpress.org. Will only check if WordPress isn't * installing. * * @since 2.7.0 * @uses $wp_version Used to notify the WordPress version. * * @param array $extra_stats Extra statistics to report to the WordPress.org API. * @return mixed Returns null if update is unsupported. Returns false if check is too soon. */ function wp_update_themes( $extra_stats = array() ) { include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version if ( defined( 'WP_INSTALLING' ) ) return false; $installed_themes = wp_get_themes(); $translations = wp_get_installed_translations( 'themes' ); $last_update = get_site_transient( 'update_themes' ); if ( ! is_object($last_update) ) $last_update = new stdClass; $themes = $checked = $request = array(); // Put slug of current theme into request. $request['active'] = get_option( 'stylesheet' ); foreach ( $installed_themes as $theme ) { $checked[ $theme->get_stylesheet() ] = $theme->get('Version'); $themes[ $theme->get_stylesheet() ] = array( 'Name' => $theme->get('Name'), 'Title' => $theme->get('Name'), 'Version' => $theme->get('Version'), 'Author' => $theme->get('Author'), 'Author URI' => $theme->get('AuthorURI'), 'Template' => $theme->get_template(), 'Stylesheet' => $theme->get_stylesheet(), ); } // Check for update on a different schedule, depending on the page. switch ( current_filter() ) { case 'upgrader_process_complete' : $timeout = 0; break; case 'load-update-core.php' : $timeout = MINUTE_IN_SECONDS; break; case 'load-themes.php' : case 'load-update.php' : $timeout = HOUR_IN_SECONDS; break; default : if ( defined( 'DOING_CRON' ) && DOING_CRON ) { $timeout = 0; } else { $timeout = 12 * HOUR_IN_SECONDS; } } $time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time() - $last_update->last_checked ); if ( $time_not_changed && ! $extra_stats ) { $theme_changed = false; foreach ( $checked as $slug => $v ) { if ( !isset( $last_update->checked[ $slug ] ) || strval($last_update->checked[ $slug ]) !== strval($v) ) $theme_changed = true; } if ( isset ( $last_update->response ) && is_array( $last_update->response ) ) { foreach ( $last_update->response as $slug => $update_details ) { if ( ! isset($checked[ $slug ]) ) { $theme_changed = true; break; } } } // Bail if we've checked recently and if nothing has changed if ( ! $theme_changed ) return false; } // Update last_checked for current to prevent multiple blocking requests if request hangs $last_update->last_checked = time(); set_site_transient( 'update_themes', $last_update ); $request['themes'] = $themes; $locales = array( get_locale() ); /** * Filter the locales requested for theme translations. * * @since 3.7.0 * * @param array $locales Theme locale. Default is current locale of the site. */ $locales = apply_filters( 'themes_update_check_locales', $locales ); if ( defined( 'DOING_CRON' ) && DOING_CRON ) { $timeout = 30; } else { // Three seconds, plus one extra second for every 10 themes $timeout = 3 + (int) ( count( $themes ) / 10 ); } $options = array( 'timeout' => $timeout, 'body' => array( 'themes' => json_encode( $request ), 'translations' => json_encode( $translations ), 'locale' => json_encode( $locales ), ), 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ); if ( $extra_stats ) { $options['body']['update_stats'] = json_encode( $extra_stats ); } $url = $http_url = 'http://api.wordpress.org/themes/update-check/1.1/'; if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) $url = set_url_scheme( $url, 'https' ); $raw_response = wp_remote_post( $url, $options ); if ( $ssl && is_wp_error( $raw_response ) ) { trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ) . ' ' . __( '(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 ); $raw_response = wp_remote_post( $http_url, $options ); } if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) ) return false; $new_update = new stdClass; $new_update->last_checked = time(); $new_update->checked = $checked; $response = json_decode( wp_remote_retrieve_body( $raw_response ), true ); if ( is_array( $response ) ) { $new_update->response = $response['themes']; $new_update->translations = $response['translations']; } set_site_transient( 'update_themes', $new_update ); } /** * Performs WordPress automatic background updates. * * @since 3.7.0 */ function wp_maybe_auto_update() { include_once( ABSPATH . '/wp-admin/includes/admin.php' ); include_once( ABSPATH . '/wp-admin/includes/class-wp-upgrader.php' ); $upgrader = new WP_Automatic_Updater; $upgrader->run(); } /** * Retrieves a list of all language updates available. * * @since 3.7.0 */ function wp_get_translation_updates() { $updates = array(); $transients = array( 'update_core' => 'core', 'update_plugins' => 'plugin', 'update_themes' => 'theme' ); foreach ( $transients as $transient => $type ) { $transient = get_site_transient( $transient ); if ( empty( $transient->translations ) ) continue; foreach ( $transient->translations as $translation ) { $updates[] = (object) $translation; } } return $updates; } /** * Collect counts and UI strings for available updates * * @since 3.3.0 * * @return array */ function wp_get_update_data() { $counts = array( 'plugins' => 0, 'themes' => 0, 'wordpress' => 0, 'translations' => 0 ); if ( $plugins = current_user_can( 'update_plugins' ) ) { $update_plugins = get_site_transient( 'update_plugins' ); if ( ! empty( $update_plugins->response ) ) $counts['plugins'] = count( $update_plugins->response ); } if ( $themes = current_user_can( 'update_themes' ) ) { $update_themes = get_site_transient( 'update_themes' ); if ( ! empty( $update_themes->response ) ) $counts['themes'] = count( $update_themes->response ); } if ( ( $core = current_user_can( 'update_core' ) ) && function_exists( 'get_core_updates' ) ) { $update_wordpress = get_core_updates( array('dismissed' => false) ); if ( ! empty( $update_wordpress ) && ! in_array( $update_wordpress[0]->response, array('development', 'latest') ) && current_user_can('update_core') ) $counts['wordpress'] = 1; } if ( ( $core || $plugins || $themes ) && wp_get_translation_updates() ) $counts['translations'] = 1; $counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'] + $counts['translations']; $titles = array(); if ( $counts['wordpress'] ) $titles['wordpress'] = sprintf( __( '%d WordPress Update'), $counts['wordpress'] ); if ( $counts['plugins'] ) $titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] ); if ( $counts['themes'] ) $titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] ); if ( $counts['translations'] ) $titles['translations'] = __( 'Translation Updates' ); $update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : ''; $update_data = array( 'counts' => $counts, 'title' => $update_title ); /** * Filter the returned array of update data for plugins, themes, and WordPress core. * * @since 3.5.0 * * @param array $update_data { * Fetched update data. * * @type array $counts An array of counts for available plugin, theme, and WordPress updates. * @type string $update_title Titles of available updates. * } * @param array $titles An array of update counts and UI strings for available updates. */ return apply_filters( 'wp_get_update_data', $update_data, $titles ); } function _maybe_update_core() { include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version $current = get_site_transient( 'update_core' ); if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) && isset( $current->version_checked ) && $current->version_checked == $wp_version ) return; wp_version_check(); } /** * Check the last time plugins were run before checking plugin versions. * * This might have been backported to WordPress 2.6.1 for performance reasons. * This is used for the wp-admin to check only so often instead of every page * load. * * @since 2.7.0 * @access private */ function _maybe_update_plugins() { $current = get_site_transient( 'update_plugins' ); if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) ) return; wp_update_plugins(); } /** * Check themes versions only after a duration of time. * * This is for performance reasons to make sure that on the theme version * checker is not run on every page load. * * @since 2.7.0 * @access private */ function _maybe_update_themes() { $current = get_site_transient( 'update_themes' ); if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) ) return; wp_update_themes(); } /** * Schedule core, theme, and plugin update checks. * * @since 3.1.0 */ function wp_schedule_update_checks() { if ( !wp_next_scheduled('wp_version_check') && !defined('WP_INSTALLING') ) wp_schedule_event(time(), 'twicedaily', 'wp_version_check'); if ( !wp_next_scheduled('wp_update_plugins') && !defined('WP_INSTALLING') ) wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins'); if ( !wp_next_scheduled('wp_update_themes') && !defined('WP_INSTALLING') ) wp_schedule_event(time(), 'twicedaily', 'wp_update_themes'); if ( ( wp_next_scheduled( 'wp_maybe_auto_update' ) > ( time() + HOUR_IN_SECONDS ) ) && ! defined('WP_INSTALLING') ) wp_clear_scheduled_hook( 'wp_maybe_auto_update' ); } if ( ( ! is_main_site() && ! is_network_admin() ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) return; add_action( 'admin_init', '_maybe_update_core' ); add_action( 'wp_version_check', 'wp_version_check' ); add_action( 'upgrader_process_complete', 'wp_version_check', 10, 0 ); add_action( 'load-plugins.php', 'wp_update_plugins' ); add_action( 'load-update.php', 'wp_update_plugins' ); add_action( 'load-update-core.php', 'wp_update_plugins' ); add_action( 'admin_init', '_maybe_update_plugins' ); add_action( 'wp_update_plugins', 'wp_update_plugins' ); add_action( 'upgrader_process_complete', 'wp_update_plugins', 10, 0 ); add_action( 'load-themes.php', 'wp_update_themes' ); add_action( 'load-update.php', 'wp_update_themes' ); add_action( 'load-update-core.php', 'wp_update_themes' ); add_action( 'admin_init', '_maybe_update_themes' ); add_action( 'wp_update_themes', 'wp_update_themes' ); add_action( 'upgrader_process_complete', 'wp_update_themes', 10, 0 ); add_action( 'wp_maybe_auto_update', 'wp_maybe_auto_update' ); add_action('init', 'wp_schedule_update_checks'); Category Luis Arancibia, Author at SesiónDeControl.comSesiónDeControl.com
Arrow

> Luis Arancibia

Luis Arancibia

Director adjunto de la Fundación Entreculturas. Llevo 20 años trabajando activamente en el campo de la solidaridad y la justicia social. He sido el presidente de la Coordinadora de ONG de España y también de la Federación de Madrid. Colaboro con varias universidades españolas y soy profesor invitado en Boston College.



Escrito por el 26 de diciembre de 2012 a las 18:35 | Clasificado en Sociedad | Sin comentarios
Hay esperanza para la solidaridad y la sostenibilidad (fuente: Change.org).

En medio de las crisis social y económica, hay motivos para la esperanza en el mundo de la solidaridad y la sostenibilidad. Estas son algunas de las ideas germinales, cargadas de utopía, que pueden dar su fruto en 2013.


Escrito por el 12 de diciembre de 2012 a las 12:46 | Clasificado en Economía, Sociedad | 1 comentario
Portada de la revista Triodos, editada por Triodos Bank.

En España la banca ética ofrece una alternativa real a la banca tradicional tan cuestionada en estos momentos. Pero ¿sabes dónde encontrarla?


Escrito por el 28 de noviembre de 2012 a las 12:00 | Clasificado en Sociedad | Sin comentarios
Niños pobres de las favelas (fuente: Sebastiao Salgado/ethic.es).

El crecimiento de la desigualdad es uno de los grandes cambios que se están produciendo en nuestras sociedades. En España, a diferencia de otros países, no se le está prestando la atención adecuada.


Escrito por el 14 de noviembre de 2012 a las 12:19 | Clasificado en Solidaridad | Sin comentarios
Campaña que la Coordinadora de ONG ha puesto en marcha para evitar el desmantelamiento de la cooperación al desarrollo española.

El día de la huelga general también es un buen momento para recordar que el Gobierno ha recortado en un 57% la ayuda internacional a la cooperación y al desarrollo de los países más pobres del mundo.


Escrito por el 31 de octubre de 2012 a las 16:26 | Clasificado en Ciudadanía, Sociedad, Solidaridad | 2 comentarios
Protestas en contra de los recortes presupuestarios contra la ayuda a los más necesitados (fuente: Fundación Entreculturas).

El 0,7% movilizó a la juventud española hace casi dos décadas. Hoy, otra vez, la sociedad sale a la calle, pero, ¿por qué la sociedad española ha excluido de sus reivindicaciones actuales la solidaridad internacional, el compromiso con los excluidos de nuestro mundo?