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1 <?php |
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2 /** |
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3 * WordPress Administration Update API |
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4 * |
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5 * @package WordPress |
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6 * @subpackage Administration |
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7 */ |
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8 |
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9 /** |
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10 * Selects the first update version from the update_core option |
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11 * |
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12 * @return object the response from the API |
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13 */ |
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14 function get_preferred_from_update_core() { |
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15 $updates = get_core_updates(); |
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16 if ( ! is_array( $updates ) ) |
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17 return false; |
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18 if ( empty( $updates ) ) |
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19 return (object) array( 'response' => 'latest' ); |
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20 return $updates[0]; |
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21 } |
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22 |
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23 /** |
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24 * Get available core updates |
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25 * |
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26 * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too, |
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27 * set $options['available'] to false to skip not-dismissed updates. |
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28 * @return array Array of the update objects |
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29 */ |
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30 function get_core_updates( $options = array() ) { |
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31 $options = array_merge( array( 'available' => true, 'dismissed' => false ), $options ); |
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32 $dismissed = get_site_option( 'dismissed_update_core' ); |
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33 |
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34 if ( ! is_array( $dismissed ) ) |
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35 $dismissed = array(); |
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36 |
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37 $from_api = get_site_transient( 'update_core' ); |
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38 |
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39 if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) ) |
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40 return false; |
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41 |
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42 $updates = $from_api->updates; |
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43 $result = array(); |
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44 foreach ( $updates as $update ) { |
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45 if ( $update->response == 'autoupdate' ) |
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46 continue; |
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47 |
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48 if ( array_key_exists( $update->current . '|' . $update->locale, $dismissed ) ) { |
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49 if ( $options['dismissed'] ) { |
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50 $update->dismissed = true; |
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51 $result[] = $update; |
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52 } |
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53 } else { |
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54 if ( $options['available'] ) { |
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55 $update->dismissed = false; |
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56 $result[] = $update; |
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57 } |
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58 } |
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59 } |
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60 return $result; |
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61 } |
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62 |
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63 /** |
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64 * Gets the best available (and enabled) Auto-Update for WordPress Core. |
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65 * |
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66 * 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 |
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67 * |
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68 * @since 3.7.0 |
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69 * |
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70 * @return bool|array False on failure, otherwise the core update offering. |
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71 */ |
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72 function find_core_auto_update() { |
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73 $updates = get_site_transient( 'update_core' ); |
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74 if ( ! $updates || empty( $updates->updates ) ) |
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75 return false; |
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76 |
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77 include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; |
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78 |
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79 $auto_update = false; |
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80 $upgrader = new WP_Automatic_Updater; |
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81 foreach ( $updates->updates as $update ) { |
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82 if ( 'autoupdate' != $update->response ) |
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83 continue; |
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84 |
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85 if ( ! $upgrader->should_update( 'core', $update, ABSPATH ) ) |
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86 continue; |
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87 |
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88 if ( ! $auto_update || version_compare( $update->current, $auto_update->current, '>' ) ) |
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89 $auto_update = $update; |
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90 } |
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91 return $auto_update; |
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92 } |
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93 |
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94 /** |
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95 * Gets and caches the checksums for the given version of WordPress. |
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96 * |
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97 * @since 3.7.0 |
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98 * |
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99 * @param string $version Version string to query. |
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100 * @param string $locale Locale to query. |
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101 * @return bool|array False on failure. An array of checksums on success. |
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102 */ |
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103 function get_core_checksums( $version, $locale ) { |
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104 $return = array(); |
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105 |
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106 $url = $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' ); |
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107 |
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108 if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) |
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109 $url = set_url_scheme( $url, 'https' ); |
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110 |
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111 $options = array( |
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112 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3 ), |
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113 ); |
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114 |
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115 $response = wp_remote_get( $url, $options ); |
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116 if ( $ssl && is_wp_error( $response ) ) { |
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117 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 <a href="http://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 ); |
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118 $response = wp_remote_get( $http_url, $options ); |
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119 } |
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120 |
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121 if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) ) |
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122 return false; |
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123 |
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124 $body = trim( wp_remote_retrieve_body( $response ) ); |
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125 $body = json_decode( $body, true ); |
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126 |
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127 if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) ) |
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128 return false; |
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129 |
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130 return $body['checksums']; |
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131 } |
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132 |
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133 function dismiss_core_update( $update ) { |
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134 $dismissed = get_site_option( 'dismissed_update_core' ); |
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135 $dismissed[ $update->current . '|' . $update->locale ] = true; |
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136 return update_site_option( 'dismissed_update_core', $dismissed ); |
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137 } |
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138 |
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139 function undismiss_core_update( $version, $locale ) { |
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140 $dismissed = get_site_option( 'dismissed_update_core' ); |
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141 $key = $version . '|' . $locale; |
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142 |
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143 if ( ! isset( $dismissed[$key] ) ) |
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144 return false; |
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145 |
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146 unset( $dismissed[$key] ); |
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147 return update_site_option( 'dismissed_update_core', $dismissed ); |
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148 } |
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149 |
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150 function find_core_update( $version, $locale ) { |
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151 $from_api = get_site_transient( 'update_core' ); |
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152 |
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153 if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) ) |
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154 return false; |
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155 |
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156 $updates = $from_api->updates; |
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157 foreach ( $updates as $update ) { |
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158 if ( $update->current == $version && $update->locale == $locale ) |
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159 return $update; |
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160 } |
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161 return false; |
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162 } |
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163 |
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164 function core_update_footer( $msg = '' ) { |
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165 if ( !current_user_can('update_core') ) |
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166 return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) ); |
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167 |
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168 $cur = get_preferred_from_update_core(); |
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169 if ( ! is_object( $cur ) ) |
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170 $cur = new stdClass; |
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171 |
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172 if ( ! isset( $cur->current ) ) |
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173 $cur->current = ''; |
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174 |
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175 if ( ! isset( $cur->url ) ) |
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176 $cur->url = ''; |
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177 |
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178 if ( ! isset( $cur->response ) ) |
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179 $cur->response = ''; |
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180 |
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181 switch ( $cur->response ) { |
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182 case 'development' : |
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183 return sprintf( __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ), get_bloginfo( 'version', 'display' ), network_admin_url( 'update-core.php' ) ); |
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184 break; |
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185 |
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186 case 'upgrade' : |
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187 return sprintf( '<strong>'.__( '<a href="%1$s">Get Version %2$s</a>' ).'</strong>', network_admin_url( 'update-core.php' ), $cur->current); |
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188 break; |
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189 |
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190 case 'latest' : |
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191 default : |
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192 return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) ); |
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193 break; |
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194 } |
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195 } |
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196 add_filter( 'update_footer', 'core_update_footer' ); |
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197 |
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198 function update_nag() { |
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199 if ( is_multisite() && !current_user_can('update_core') ) |
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200 return false; |
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201 |
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202 global $pagenow; |
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203 |
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204 if ( 'update-core.php' == $pagenow ) |
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205 return; |
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206 |
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207 $cur = get_preferred_from_update_core(); |
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208 |
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209 if ( ! isset( $cur->response ) || $cur->response != 'upgrade' ) |
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210 return false; |
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211 |
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212 if ( current_user_can('update_core') ) { |
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213 $msg = sprintf( __('<a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! <a href="%2$s">Please update now</a>.'), $cur->current, network_admin_url( 'update-core.php' ) ); |
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214 } else { |
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215 $msg = sprintf( __('<a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! Please notify the site administrator.'), $cur->current ); |
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216 } |
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217 echo "<div class='update-nag'>$msg</div>"; |
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218 } |
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219 add_action( 'admin_notices', 'update_nag', 3 ); |
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220 add_action( 'network_admin_notices', 'update_nag', 3 ); |
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221 |
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222 // Called directly from dashboard |
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223 function update_right_now_message() { |
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224 $msg = sprintf( __( 'You are using <span class="b">WordPress %s</span>.' ), get_bloginfo( 'version', 'display' ) ); |
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225 |
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226 if ( current_user_can('update_core') ) { |
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227 $cur = get_preferred_from_update_core(); |
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228 |
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229 if ( isset( $cur->response ) && $cur->response == 'upgrade' ) |
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230 $msg .= " <a href='" . network_admin_url( 'update-core.php' ) . "' class='button'>" . sprintf( __('Update to %s'), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a>'; |
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231 } |
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232 |
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233 echo "<span id='wp-version-message'>$msg</span>"; |
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234 } |
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235 |
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236 function get_plugin_updates() { |
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237 $all_plugins = get_plugins(); |
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238 $upgrade_plugins = array(); |
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239 $current = get_site_transient( 'update_plugins' ); |
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240 foreach ( (array)$all_plugins as $plugin_file => $plugin_data) { |
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241 if ( isset( $current->response[ $plugin_file ] ) ) { |
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242 $upgrade_plugins[ $plugin_file ] = (object) $plugin_data; |
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243 $upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ]; |
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244 } |
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245 } |
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246 |
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247 return $upgrade_plugins; |
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248 } |
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249 |
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250 function wp_plugin_update_rows() { |
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251 if ( !current_user_can('update_plugins' ) ) |
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252 return; |
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253 |
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254 $plugins = get_site_transient( 'update_plugins' ); |
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255 if ( isset($plugins->response) && is_array($plugins->response) ) { |
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256 $plugins = array_keys( $plugins->response ); |
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257 foreach( $plugins as $plugin_file ) { |
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258 add_action( "after_plugin_row_$plugin_file", 'wp_plugin_update_row', 10, 2 ); |
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259 } |
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260 } |
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261 } |
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262 add_action( 'admin_init', 'wp_plugin_update_rows' ); |
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263 |
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264 function wp_plugin_update_row( $file, $plugin_data ) { |
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265 $current = get_site_transient( 'update_plugins' ); |
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266 if ( !isset( $current->response[ $file ] ) ) |
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267 return false; |
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268 |
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269 $r = $current->response[ $file ]; |
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270 |
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271 $plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array()); |
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272 $plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags ); |
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273 |
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274 $details_url = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $r->slug . '§ion=changelog&TB_iframe=true&width=600&height=800'); |
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275 |
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276 $wp_list_table = _get_list_table('WP_Plugins_List_Table'); |
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277 |
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278 if ( is_network_admin() || !is_multisite() ) { |
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279 echo '<tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message">'; |
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280 |
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281 if ( ! current_user_can('update_plugins') ) |
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282 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version ); |
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283 else if ( empty($r->package) ) |
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284 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>. <em>Automatic update is unavailable for this plugin.</em>'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version ); |
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285 else |
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286 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a> or <a href="%5$s">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_' . $file) ); |
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287 |
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288 do_action( "in_plugin_update_message-$file", $plugin_data, $r ); |
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289 |
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290 echo '</div></td></tr>'; |
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291 } |
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292 } |
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293 |
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294 function get_theme_updates() { |
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295 $themes = wp_get_themes(); |
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296 $current = get_site_transient('update_themes'); |
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297 |
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298 if ( ! isset( $current->response ) ) |
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299 return array(); |
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300 |
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301 $update_themes = array(); |
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302 foreach ( $current->response as $stylesheet => $data ) { |
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303 $update_themes[ $stylesheet ] = wp_get_theme( $stylesheet ); |
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304 $update_themes[ $stylesheet ]->update = $data; |
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305 } |
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306 |
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307 return $update_themes; |
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308 } |
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309 |
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310 function wp_theme_update_rows() { |
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311 if ( !current_user_can('update_themes' ) ) |
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312 return; |
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313 |
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314 $themes = get_site_transient( 'update_themes' ); |
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315 if ( isset($themes->response) && is_array($themes->response) ) { |
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316 $themes = array_keys( $themes->response ); |
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317 |
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318 foreach( $themes as $theme ) { |
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319 add_action( "after_theme_row_$theme", 'wp_theme_update_row', 10, 2 ); |
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320 } |
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321 } |
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322 } |
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323 add_action( 'admin_init', 'wp_theme_update_rows' ); |
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324 |
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325 function wp_theme_update_row( $theme_key, $theme ) { |
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326 $current = get_site_transient( 'update_themes' ); |
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327 if ( !isset( $current->response[ $theme_key ] ) ) |
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328 return false; |
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329 $r = $current->response[ $theme_key ]; |
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330 $themes_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array()); |
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331 $theme_name = wp_kses( $theme['Name'], $themes_allowedtags ); |
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332 |
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333 $details_url = add_query_arg( array( 'TB_iframe' => 'true', 'width' => 1024, 'height' => 800 ), $current->response[ $theme_key ]['url'] ); |
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334 |
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335 $wp_list_table = _get_list_table('WP_MS_Themes_List_Table'); |
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336 |
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337 echo '<tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message">'; |
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338 if ( ! current_user_can('update_themes') ) |
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339 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>.'), $theme['Name'], esc_url($details_url), esc_attr($theme['Name']), $r->new_version ); |
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340 else if ( empty( $r['package'] ) ) |
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341 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">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']), $r['new_version'] ); |
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342 else |
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343 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a> or <a href="%5$s">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_' . $theme_key) ); |
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344 |
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345 do_action( "in_theme_update_message-$theme_key", $theme, $r ); |
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346 |
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347 echo '</div></td></tr>'; |
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348 } |
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349 |
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350 function maintenance_nag() { |
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351 include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version |
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352 global $upgrading; |
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353 $nag = isset( $upgrading ); |
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354 if ( ! $nag ) { |
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355 $failed = get_site_option( 'auto_core_update_failed' ); |
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356 /* |
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357 * If an update failed critically, we may have copied over version.php but not other files. |
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358 * In that case, if the install claims we're running the version we attempted, nag. |
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359 * This is serious enough to err on the side of nagging. |
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360 * |
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361 * If we simply failed to update before we tried to copy any files, then assume things are |
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362 * OK if they are now running the latest. |
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363 * |
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364 * This flag is cleared whenever a successful update occurs using Core_Upgrader. |
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365 */ |
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366 $comparison = ! empty( $failed['critical'] ) ? '>=' : '>'; |
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367 if ( version_compare( $failed['attempted'], $wp_version, '>=' ) ) |
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368 $nag = true; |
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369 } |
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370 |
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371 if ( ! $nag ) |
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372 return false; |
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373 |
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374 if ( current_user_can('update_core') ) |
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375 $msg = sprintf( __('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'), 'update-core.php' ); |
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376 else |
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377 $msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.'); |
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378 |
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379 echo "<div class='update-nag'>$msg</div>"; |
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380 } |
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381 add_action( 'admin_notices', 'maintenance_nag' ); |
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382 add_action( 'network_admin_notices', 'maintenance_nag' ); |