[44] | 1 | <?php
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| 2 | /**
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| 3 | * A simple set of functions to check our version 1.0 update service.
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| 4 | *
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| 5 | * @package WordPress
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| 6 | * @since 2.3.0
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| 7 | */
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| 8 |
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| 9 | /**
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| 10 | * Check WordPress version against the newest version.
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| 11 | *
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| 12 | * The WordPress version, PHP version, and Locale is sent. Checks against the
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| 13 | * WordPress server at api.wordpress.org server. Will only check if WordPress
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| 14 | * isn't installing.
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| 15 | *
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| 16 | * @package WordPress
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| 17 | * @since 2.3.0
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| 18 | * @uses $wp_version Used to check against the newest WordPress version.
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| 19 | *
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| 20 | * @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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| 21 | */
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| 22 | function wp_version_check() {
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| 23 | if ( defined('WP_INSTALLING') )
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| 24 | return;
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| 25 |
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| 26 | global $wp_version, $wpdb, $wp_local_package;
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| 27 | $php_version = phpversion();
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| 28 |
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| 29 | $current = get_transient( 'update_core' );
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| 30 | if ( ! is_object($current) ) {
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| 31 | $current = new stdClass;
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| 32 | $current->updates = array();
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| 33 | $current->version_checked = $wp_version;
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| 34 | }
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| 35 |
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| 36 | $locale = apply_filters( 'core_version_check_locale', get_locale() );
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| 37 |
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| 38 | // Update last_checked for current to prevent multiple blocking requests if request hangs
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| 39 | $current->last_checked = time();
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| 40 | set_transient( 'update_core', $current );
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| 41 |
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| 42 | if ( method_exists( $wpdb, 'db_version' ) )
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| 43 | $mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version($wpdb->users));
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| 44 | else
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| 45 | $mysql_version = 'N/A';
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| 46 | $local_package = isset( $wp_local_package )? $wp_local_package : '';
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| 47 | $url = "http://api.wordpress.org/core/version-check/1.3/?version=$wp_version&php=$php_version&locale=$locale&mysql=$mysql_version&local_package=$local_package";
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| 48 |
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| 49 | $options = array(
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| 50 | 'timeout' => 3,
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| 51 | 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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| 52 | );
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| 53 |
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| 54 | $response = wp_remote_get($url, $options);
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| 55 |
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| 56 | if ( is_wp_error( $response ) )
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| 57 | return false;
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| 58 |
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| 59 | if ( 200 != $response['response']['code'] )
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| 60 | return false;
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| 61 |
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| 62 | $body = trim( $response['body'] );
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| 63 | $body = str_replace(array("\r\n", "\r"), "\n", $body);
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| 64 | $new_options = array();
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| 65 | foreach( explode( "\n\n", $body ) as $entry) {
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| 66 | $returns = explode("\n", $entry);
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| 67 | $new_option = new stdClass();
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| 68 | $new_option->response = esc_attr( $returns[0] );
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| 69 | if ( isset( $returns[1] ) )
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| 70 | $new_option->url = esc_url( $returns[1] );
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| 71 | if ( isset( $returns[2] ) )
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| 72 | $new_option->package = esc_url( $returns[2] );
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| 73 | if ( isset( $returns[3] ) )
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| 74 | $new_option->current = esc_attr( $returns[3] );
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| 75 | if ( isset( $returns[4] ) )
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| 76 | $new_option->locale = esc_attr( $returns[4] );
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| 77 | $new_options[] = $new_option;
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| 78 | }
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| 79 |
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| 80 | $updates = new stdClass();
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| 81 | $updates->updates = $new_options;
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| 82 | $updates->last_checked = time();
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| 83 | $updates->version_checked = $wp_version;
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| 84 | set_transient( 'update_core', $updates);
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| 85 | }
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| 86 |
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| 87 | /**
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| 88 | * Check plugin versions against the latest versions hosted on WordPress.org.
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| 89 | *
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| 90 | * The WordPress version, PHP version, and Locale is sent along with a list of
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| 91 | * all plugins installed. Checks against the WordPress server at
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| 92 | * api.wordpress.org. Will only check if WordPress isn't installing.
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| 93 | *
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| 94 | * @package WordPress
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| 95 | * @since 2.3.0
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| 96 | * @uses $wp_version Used to notidy the WordPress version.
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| 97 | *
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| 98 | * @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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| 99 | */
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| 100 | function wp_update_plugins() {
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| 101 | global $wp_version;
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| 102 |
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| 103 | if ( defined('WP_INSTALLING') )
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| 104 | return false;
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| 105 |
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| 106 | // If running blog-side, bail unless we've not checked in the last 12 hours
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| 107 | if ( !function_exists( 'get_plugins' ) )
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| 108 | require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
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| 109 |
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| 110 | $plugins = get_plugins();
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| 111 | $active = get_option( 'active_plugins' );
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| 112 | $current = get_transient( 'update_plugins' );
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| 113 | if ( ! is_object($current) )
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| 114 | $current = new stdClass;
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| 115 |
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| 116 | $new_option = new stdClass;
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| 117 | $new_option->last_checked = time();
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| 118 | $timeout = 'load-plugins.php' == current_filter() ? 3600 : 43200; //Check for updated every 60 minutes if hitting the themes page, Else, check every 12 hours
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| 119 | $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
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| 120 |
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| 121 | $plugin_changed = false;
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| 122 | foreach ( $plugins as $file => $p ) {
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| 123 | $new_option->checked[ $file ] = $p['Version'];
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| 124 |
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| 125 | if ( !isset( $current->checked[ $file ] ) || strval($current->checked[ $file ]) !== strval($p['Version']) )
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| 126 | $plugin_changed = true;
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| 127 | }
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| 128 |
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| 129 | if ( isset ( $current->response ) && is_array( $current->response ) ) {
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| 130 | foreach ( $current->response as $plugin_file => $update_details ) {
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| 131 | if ( ! isset($plugins[ $plugin_file ]) ) {
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| 132 | $plugin_changed = true;
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| 133 | break;
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| 134 | }
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | // Bail if we've checked in the last 12 hours and if nothing has changed
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| 139 | if ( $time_not_changed && !$plugin_changed )
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| 140 | return false;
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| 141 |
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| 142 | // Update last_checked for current to prevent multiple blocking requests if request hangs
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| 143 | $current->last_checked = time();
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| 144 | set_transient( 'update_plugins', $current );
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| 145 |
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| 146 | $to_send = (object)compact('plugins', 'active');
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| 147 |
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| 148 | $options = array(
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| 149 | 'timeout' => 3,
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| 150 | 'body' => array( 'plugins' => serialize( $to_send ) ),
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| 151 | 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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| 152 | );
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| 153 |
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| 154 | $raw_response = wp_remote_post('http://api.wordpress.org/plugins/update-check/1.0/', $options);
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| 155 |
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| 156 | if ( is_wp_error( $raw_response ) )
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| 157 | return false;
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| 158 |
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| 159 | if( 200 != $raw_response['response']['code'] )
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| 160 | return false;
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| 161 |
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| 162 | $response = unserialize( $raw_response['body'] );
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| 163 |
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| 164 | if ( false !== $response )
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| 165 | $new_option->response = $response;
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| 166 | else
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| 167 | $new_option->response = array();
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| 168 |
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| 169 | set_transient( 'update_plugins', $new_option );
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| 170 | }
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| 171 |
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| 172 | /**
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| 173 | * Check theme versions against the latest versions hosted on WordPress.org.
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| 174 | *
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| 175 | * A list of all themes installed in sent to WP. Checks against the
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| 176 | * WordPress server at api.wordpress.org. Will only check if WordPress isn't
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| 177 | * installing.
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| 178 | *
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| 179 | * @package WordPress
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| 180 | * @since 2.7.0
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| 181 | * @uses $wp_version Used to notidy the WordPress version.
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| 182 | *
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| 183 | * @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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| 184 | */
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| 185 | function wp_update_themes( ) {
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| 186 | global $wp_version;
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| 187 |
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| 188 | if( defined( 'WP_INSTALLING' ) )
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| 189 | return false;
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| 190 |
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| 191 | if( !function_exists( 'get_themes' ) )
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| 192 | require_once( ABSPATH . 'wp-includes/theme.php' );
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| 193 |
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| 194 | $installed_themes = get_themes( );
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| 195 | $current_theme = get_transient( 'update_themes' );
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| 196 | if ( ! is_object($current_theme) )
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| 197 | $current_theme = new stdClass;
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| 198 |
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| 199 | $new_option = new stdClass;
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| 200 | $new_option->last_checked = time( );
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| 201 | $timeout = 'load-themes.php' == current_filter() ? 3600 : 43200; //Check for updated every 60 minutes if hitting the themes page, Else, check every 12 hours
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| 202 | $time_not_changed = isset( $current_theme->last_checked ) && $timeout > ( time( ) - $current_theme->last_checked );
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| 203 |
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| 204 | if( $time_not_changed )
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| 205 | return false;
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| 206 |
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| 207 | // Update last_checked for current to prevent multiple blocking requests if request hangs
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| 208 | $current_theme->last_checked = time();
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| 209 | set_transient( 'update_themes', $current_theme );
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| 210 |
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| 211 | $current_theme->template = get_option( 'template' );
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| 212 |
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| 213 | $themes = array( );
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| 214 | $themes['current_theme'] = (array) $current_theme;
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| 215 | foreach( (array) $installed_themes as $theme_title => $theme ) {
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| 216 | $themes[$theme['Stylesheet']] = array( );
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| 217 |
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| 218 | foreach( (array) $theme as $key => $value ) {
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| 219 | $themes[$theme['Stylesheet']][$key] = $value;
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| 220 | }
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| 221 | }
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| 222 |
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| 223 | $options = array(
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| 224 | 'timeout' => 3,
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| 225 | 'body' => array( 'themes' => serialize( $themes ) ),
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| 226 | 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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| 227 | );
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| 228 |
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| 229 | $raw_response = wp_remote_post( 'http://api.wordpress.org/themes/update-check/1.0/', $options );
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| 230 |
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| 231 | if( is_wp_error( $raw_response ) )
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| 232 | return false;
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| 233 |
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| 234 | if( 200 != $raw_response['response']['code'] )
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| 235 | return false;
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| 236 |
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| 237 | $response = unserialize( $raw_response['body'] );
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| 238 | if( $response )
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| 239 | $new_option->response = $response;
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| 240 |
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| 241 | set_transient( 'update_themes', $new_option );
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| 242 | }
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| 243 |
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| 244 | function _maybe_update_core() {
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| 245 | global $wp_version;
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| 246 |
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| 247 | $current = get_transient( 'update_core' );
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| 248 |
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| 249 | if ( isset( $current->last_checked ) &&
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| 250 | 43200 > ( time() - $current->last_checked ) &&
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| 251 | isset( $current->version_checked ) &&
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| 252 | $current->version_checked == $wp_version )
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| 253 | return;
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| 254 |
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| 255 | wp_version_check();
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| 256 | }
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| 257 | /**
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| 258 | * Check the last time plugins were run before checking plugin versions.
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| 259 | *
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| 260 | * This might have been backported to WordPress 2.6.1 for performance reasons.
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| 261 | * This is used for the wp-admin to check only so often instead of every page
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| 262 | * load.
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| 263 | *
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| 264 | * @since 2.7.0
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| 265 | * @access private
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| 266 | */
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| 267 | function _maybe_update_plugins() {
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| 268 | $current = get_transient( 'update_plugins' );
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| 269 | if ( isset( $current->last_checked ) && 43200 > ( time() - $current->last_checked ) )
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| 270 | return;
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| 271 | wp_update_plugins();
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| 272 | }
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| 273 |
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| 274 | /**
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| 275 | * Check themes versions only after a duration of time.
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| 276 | *
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| 277 | * This is for performance reasons to make sure that on the theme version
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| 278 | * checker is not run on every page load.
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| 279 | *
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| 280 | * @since 2.7.0
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| 281 | * @access private
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| 282 | */
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| 283 | function _maybe_update_themes( ) {
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| 284 | $current = get_transient( 'update_themes' );
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| 285 | if( isset( $current->last_checked ) && 43200 > ( time( ) - $current->last_checked ) )
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| 286 | return;
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| 287 |
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| 288 | wp_update_themes( );
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| 289 | }
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| 290 |
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| 291 | add_action( 'admin_init', '_maybe_update_core' );
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| 292 | add_action( 'wp_version_check', 'wp_version_check' );
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| 293 |
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| 294 | add_action( 'load-plugins.php', 'wp_update_plugins' );
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| 295 | add_action( 'load-update.php', 'wp_update_plugins' );
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| 296 | add_action( 'admin_init', '_maybe_update_plugins' );
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| 297 | add_action( 'wp_update_plugins', 'wp_update_plugins' );
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| 298 |
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| 299 | add_action( 'load-themes.php', 'wp_update_themes' );
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| 300 | add_action( 'load-update.php', 'wp_update_themes' );
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| 301 | add_action( 'admin_init', '_maybe_update_themes' );
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| 302 | add_action( 'wp_update_themes', 'wp_update_themes' );
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| 303 |
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| 304 | if ( !wp_next_scheduled('wp_version_check') && !defined('WP_INSTALLING') )
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| 305 | wp_schedule_event(time(), 'twicedaily', 'wp_version_check');
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| 306 |
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| 307 | if ( !wp_next_scheduled('wp_update_plugins') && !defined('WP_INSTALLING') )
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| 308 | wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins');
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| 309 |
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| 310 | if ( !wp_next_scheduled('wp_update_themes') && !defined('WP_INSTALLING') )
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| 311 | wp_schedule_event(time(), 'twicedaily', 'wp_update_themes');
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| 312 |
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| 313 | ?>
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