images
5 years ago
admin-sharing-rtl.css
7 years ago
admin-sharing-rtl.min.css
7 years ago
admin-sharing.css
7 years ago
admin-sharing.js
6 years ago
admin-sharing.min.css
7 years ago
amp-sharing.css
5 years ago
recaptcha.php
7 years ago
sharedaddy.php
5 years ago
sharing-service.php
6 years ago
sharing-sources.php
5 years ago
sharing.css
6 years ago
sharing.js
6 years ago
sharing.php
6 years ago
sharedaddy.php
290 lines
| 1 | <?php |
| 2 | /* |
| 3 | Plugin Name: Sharedaddy |
| 4 | Description: The most super duper sharing tool on the interwebs. |
| 5 | Version: 0.3.1 |
| 6 | Author: Automattic, Inc. |
| 7 | Author URI: https://automattic.com/ |
| 8 | Plugin URI: https://en.blog.wordpress.com/2010/08/24/more-ways-to-share/ |
| 9 | */ |
| 10 | |
| 11 | require_once plugin_dir_path( __FILE__ ).'sharing.php'; |
| 12 | |
| 13 | function sharing_email_send_post( $data ) { |
| 14 | |
| 15 | $content = sharing_email_send_post_content( $data ); |
| 16 | // Borrowed from wp_mail(); |
| 17 | $sitename = strtolower( $_SERVER['SERVER_NAME'] ); |
| 18 | if ( substr( $sitename, 0, 4 ) == 'www.' ) { |
| 19 | $sitename = substr( $sitename, 4 ); |
| 20 | } |
| 21 | |
| 22 | /** This filter is documented in core/src/wp-includes/pluggable.php */ |
| 23 | $from_email = apply_filters( 'wp_mail_from', 'wordpress@' . $sitename ); |
| 24 | |
| 25 | if ( ! empty( $data['name'] ) ) { |
| 26 | $s_name = (string) $data['name']; |
| 27 | $name_needs_encoding_regex = |
| 28 | '/[' . |
| 29 | // SpamAssasin's list of characters which "need MIME" encoding |
| 30 | '\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff' . |
| 31 | // Our list of "unsafe" characters |
| 32 | '<\r\n' . |
| 33 | ']/'; |
| 34 | |
| 35 | $needs_encoding = |
| 36 | // If it contains any blocked chars. |
| 37 | preg_match( $name_needs_encoding_regex, $s_name ) || |
| 38 | // Or if we can't use `mb_convert_encoding` |
| 39 | ! function_exists( 'mb_convert_encoding' ) || |
| 40 | // Or if it's not already ASCII |
| 41 | mb_convert_encoding( $data['name'], 'ASCII' ) !== $s_name; |
| 42 | |
| 43 | if ( $needs_encoding ) { |
| 44 | $data['name'] = sprintf( '=?UTF-8?B?%s?=', base64_encode( $data['name'] ) ); |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | $headers[] = sprintf( 'From: %1$s <%2$s>', $data['name'], $from_email ); |
| 49 | $headers[] = sprintf( 'Reply-To: %1$s <%2$s>', $data['name'], $data['source'] ); |
| 50 | |
| 51 | // Make sure to pass the title through the normal sharing filters. |
| 52 | $title = $data['sharing_source']->get_share_title( $data['post']->ID ); |
| 53 | |
| 54 | /** |
| 55 | * Filter the Sharing Email Send Post Subject. |
| 56 | * |
| 57 | * @module sharedaddy |
| 58 | * |
| 59 | * @since 5.8.0 |
| 60 | * |
| 61 | * @param string $var Sharing Email Send Post Subject. Default is "Shared Post". |
| 62 | */ |
| 63 | $subject = apply_filters( 'wp_sharing_email_send_post_subject', '[' . __( 'Shared Post', 'jetpack' ) . '] ' . $title ); |
| 64 | |
| 65 | wp_mail( $data['target'], $subject, $content, $headers ); |
| 66 | } |
| 67 | |
| 68 | |
| 69 | /* Checks for spam using akismet if available. */ |
| 70 | /* Return $data as it if email about to be send out is not spam. */ |
| 71 | function sharing_email_check_for_spam_via_akismet( $data ) { |
| 72 | |
| 73 | if ( ! Jetpack::is_akismet_active() ) |
| 74 | return $data; |
| 75 | |
| 76 | // Prepare the body_request for akismet |
| 77 | $body_request = array( |
| 78 | 'blog' => get_option( 'home' ), |
| 79 | 'permalink' => $data['sharing_source']->get_share_url( $data['post']->ID ), |
| 80 | 'comment_type' => 'share', |
| 81 | 'comment_author' => $data['name'], |
| 82 | 'comment_author_email' => $data['source'], |
| 83 | 'comment_content' => sharing_email_send_post_content( $data ), |
| 84 | 'user_agent' => ( isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : null ), |
| 85 | ); |
| 86 | |
| 87 | if ( method_exists( 'Akismet', 'http_post' ) ) { |
| 88 | $body_request['user_ip'] = Akismet::get_ip_address(); |
| 89 | $response = Akismet::http_post( build_query( $body_request ), 'comment-check' ); |
| 90 | } else { |
| 91 | global $akismet_api_host, $akismet_api_port; |
| 92 | $body_request['user_ip'] = ( isset( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : null ); |
| 93 | $response = akismet_http_post( build_query( $body_request ), $akismet_api_host, '/1.1/comment-check', $akismet_api_port ); |
| 94 | } |
| 95 | |
| 96 | // The Response is spam lets not send the email. |
| 97 | if ( ! empty( $response ) && isset( $response[1] ) && 'true' == trim( $response[1] ) ) { // 'true' is spam |
| 98 | return false; // don't send the email |
| 99 | } |
| 100 | return $data; |
| 101 | } |
| 102 | |
| 103 | function sharing_email_send_post_content( $data ) { |
| 104 | /* translators: included in email when post is shared via email. First item is sender's name. Second is sender's email address. */ |
| 105 | $content = sprintf( __( '%1$s (%2$s) thinks you may be interested in the following post:', 'jetpack' ), $data['name'], $data['source'] ); |
| 106 | $content .= "\n\n"; |
| 107 | // Make sure to pass the title and URL through the normal sharing filters. |
| 108 | $content .= $data['sharing_source']->get_share_title( $data['post']->ID ) . "\n"; |
| 109 | $content .= $data['sharing_source']->get_share_url( $data['post']->ID ) . "\n"; |
| 110 | return $content; |
| 111 | } |
| 112 | |
| 113 | function sharing_add_meta_box() { |
| 114 | global $post; |
| 115 | if ( empty( $post ) ) { // If a current post is not defined, such as when editing a comment. |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Filter whether to display the Sharing Meta Box or not. |
| 121 | * |
| 122 | * @module sharedaddy |
| 123 | * |
| 124 | * @since 3.8.0 |
| 125 | * |
| 126 | * @param bool true Display Sharing Meta Box. |
| 127 | * @param $post Post. |
| 128 | */ |
| 129 | if ( ! apply_filters( 'sharing_meta_box_show', true, $post ) ) { |
| 130 | return; |
| 131 | } |
| 132 | |
| 133 | $post_types = get_post_types( array( 'public' => true ) ); |
| 134 | /** |
| 135 | * Filter the Sharing Meta Box title. |
| 136 | * |
| 137 | * @module sharedaddy |
| 138 | * |
| 139 | * @since 2.2.0 |
| 140 | * |
| 141 | * @param string $var Sharing Meta Box title. Default is "Sharing". |
| 142 | */ |
| 143 | $title = apply_filters( 'sharing_meta_box_title', __( 'Sharing', 'jetpack' ) ); |
| 144 | if ( $post->ID !== get_option( 'page_for_posts' ) ) { |
| 145 | foreach( $post_types as $post_type ) { |
| 146 | add_meta_box( 'sharing_meta', $title, 'sharing_meta_box_content', $post_type, 'side', 'default', array( '__back_compat_meta_box' => true ) ); |
| 147 | } |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | |
| 152 | function sharing_meta_box_content( $post ) { |
| 153 | /** |
| 154 | * Fires before the sharing meta box content. |
| 155 | * |
| 156 | * @module sharedaddy |
| 157 | * |
| 158 | * @since 2.2.0 |
| 159 | * |
| 160 | * @param WP_Post $post The post to share. |
| 161 | */ |
| 162 | do_action( 'start_sharing_meta_box_content', $post ); |
| 163 | |
| 164 | $disabled = get_post_meta( $post->ID, 'sharing_disabled', true ); ?> |
| 165 | |
| 166 | <p> |
| 167 | <label for="enable_post_sharing"> |
| 168 | <input type="checkbox" name="enable_post_sharing" id="enable_post_sharing" value="1" <?php checked( !$disabled ); ?>> |
| 169 | <?php _e( 'Show sharing buttons.' , 'jetpack'); ?> |
| 170 | </label> |
| 171 | <input type="hidden" name="sharing_status_hidden" value="1" /> |
| 172 | </p> |
| 173 | |
| 174 | <?php |
| 175 | /** |
| 176 | * Fires after the sharing meta box content. |
| 177 | * |
| 178 | * @module sharedaddy |
| 179 | * |
| 180 | * @since 2.2.0 |
| 181 | * |
| 182 | * @param WP_Post $post The post to share. |
| 183 | */ |
| 184 | do_action( 'end_sharing_meta_box_content', $post ); |
| 185 | } |
| 186 | |
| 187 | function sharing_meta_box_save( $post_id ) { |
| 188 | if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE ) |
| 189 | return $post_id; |
| 190 | |
| 191 | // Record sharing disable |
| 192 | if ( isset( $_POST['post_type'] ) && ( $post_type_object = get_post_type_object( $_POST['post_type'] ) ) && $post_type_object->public ) { |
| 193 | if ( current_user_can( 'edit_post', $post_id ) ) { |
| 194 | if ( isset( $_POST['sharing_status_hidden'] ) ) { |
| 195 | if ( !isset( $_POST['enable_post_sharing'] ) ) { |
| 196 | update_post_meta( $post_id, 'sharing_disabled', 1 ); |
| 197 | } else { |
| 198 | delete_post_meta( $post_id, 'sharing_disabled' ); |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | return $post_id; |
| 205 | } |
| 206 | |
| 207 | function sharing_meta_box_protected( $protected, $meta_key ) { |
| 208 | if ( 'sharing_disabled' == $meta_key ) |
| 209 | $protected = true; |
| 210 | |
| 211 | return $protected; |
| 212 | } |
| 213 | |
| 214 | add_filter( 'is_protected_meta', 'sharing_meta_box_protected', 10, 2 ); |
| 215 | |
| 216 | function sharing_plugin_settings( $links ) { |
| 217 | $settings_link = '<a href="options-general.php?page=sharing.php">'.__( 'Settings', 'jetpack' ).'</a>'; |
| 218 | array_unshift( $links, $settings_link ); |
| 219 | return $links; |
| 220 | } |
| 221 | |
| 222 | function sharing_add_plugin_settings($links, $file) { |
| 223 | if ( $file == basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ) ) { |
| 224 | $links[] = '<a href="options-general.php?page=sharing.php">' . __( 'Settings', 'jetpack' ) . '</a>'; |
| 225 | $links[] = '<a href="https://support.wordpress.com/sharing/" rel="noopener noreferrer" target="_blank">' . __( 'Support', 'jetpack' ) . '</a>'; |
| 226 | } |
| 227 | |
| 228 | return $links; |
| 229 | } |
| 230 | |
| 231 | function sharing_init() { |
| 232 | if ( Jetpack_Options::get_option_and_ensure_autoload( 'sharedaddy_disable_resources', '0' ) ) { |
| 233 | add_filter( 'sharing_js', 'sharing_disable_js' ); |
| 234 | remove_action( 'wp_head', 'sharing_add_header', 1 ); |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | function sharing_disable_js() { |
| 239 | return false; |
| 240 | } |
| 241 | |
| 242 | function sharing_global_resources() { |
| 243 | $disable = get_option( 'sharedaddy_disable_resources' ); |
| 244 | ?> |
| 245 | <tr valign="top"> |
| 246 | <th scope="row"><label for="disable_css"><?php _e( 'Disable CSS and JS', 'jetpack' ); ?></label></th> |
| 247 | <td> |
| 248 | <input id="disable_css" type="checkbox" name="disable_resources" <?php if ( $disable == 1 ) echo ' checked="checked"'; ?>/> <small><em><?php _e( 'Advanced. If this option is checked, you must include these files in your theme manually for the sharing links to work.', 'jetpack' ); ?></em></small> |
| 249 | </td> |
| 250 | </tr> |
| 251 | <?php |
| 252 | } |
| 253 | |
| 254 | function sharing_global_resources_save() { |
| 255 | update_option( 'sharedaddy_disable_resources', isset( $_POST['disable_resources'] ) ? 1 : 0 ); |
| 256 | } |
| 257 | |
| 258 | function sharing_email_dialog() { |
| 259 | require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php'; |
| 260 | |
| 261 | $recaptcha = new Jetpack_ReCaptcha( RECAPTCHA_PUBLIC_KEY, RECAPTCHA_PRIVATE_KEY ); |
| 262 | echo $recaptcha->get_recaptcha_html(); // xss ok |
| 263 | } |
| 264 | |
| 265 | function sharing_email_check( $true, $post, $data ) { |
| 266 | require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php'; |
| 267 | |
| 268 | $recaptcha = new Jetpack_ReCaptcha( RECAPTCHA_PUBLIC_KEY, RECAPTCHA_PRIVATE_KEY ); |
| 269 | $response = ! empty( $_POST['g-recaptcha-response'] ) ? $_POST['g-recaptcha-response'] : ''; |
| 270 | $result = $recaptcha->verify( $response, $_SERVER['REMOTE_ADDR'] ); |
| 271 | |
| 272 | return ( true === $result ); |
| 273 | } |
| 274 | |
| 275 | add_action( 'init', 'sharing_init' ); |
| 276 | add_action( 'add_meta_boxes', 'sharing_add_meta_box' ); |
| 277 | add_action( 'save_post', 'sharing_meta_box_save' ); |
| 278 | add_action( 'edit_attachment', 'sharing_meta_box_save' ); |
| 279 | add_action( 'sharing_email_send_post', 'sharing_email_send_post' ); |
| 280 | add_filter( 'sharing_email_can_send', 'sharing_email_check_for_spam_via_akismet' ); |
| 281 | add_action( 'sharing_global_options', 'sharing_global_resources', 30 ); |
| 282 | add_action( 'sharing_admin_update', 'sharing_global_resources_save' ); |
| 283 | add_action( 'plugin_action_links_'.basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ), 'sharing_plugin_settings', 10, 4 ); |
| 284 | add_filter( 'plugin_row_meta', 'sharing_add_plugin_settings', 10, 2 ); |
| 285 | |
| 286 | if ( defined( 'RECAPTCHA_PUBLIC_KEY' ) && defined( 'RECAPTCHA_PRIVATE_KEY' ) ) { |
| 287 | add_action( 'sharing_email_dialog', 'sharing_email_dialog' ); |
| 288 | add_filter( 'sharing_email_check', 'sharing_email_check', 10, 3 ); |
| 289 | } |
| 290 |