| 1 |
<?php |
| 2 |
|
| 3 |
require dirname( __FILE__ ) . '/base.php'; |
| 4 |
|
| 5 |
/** |
| 6 |
* Main Jetpack Comments class |
| 7 |
* |
| 8 |
* @package JetpackComments |
| 9 |
* @version 1.4 |
| 10 |
* @since 1.4 |
| 11 |
*/ |
| 12 |
class Jetpack_Comments extends Highlander_Comments_Base { |
| 13 |
|
| 14 |
/** Variables *************************************************************/ |
| 15 |
|
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/** |
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* Possible comment form sources |
| 18 |
* @var array |
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*/ |
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var $id_sources = array(); |
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|
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/** |
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* URL |
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* @var string |
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*/ |
| 26 |
var $signed_url = ''; |
| 27 |
|
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/** |
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* The default comment form color scheme |
| 30 |
* @var string |
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* @see ::set_default_color_theme_based_on_theme_settings() |
| 32 |
*/ |
| 33 |
var $default_color_scheme = 'light'; |
| 34 |
|
| 35 |
/** Methods ***************************************************************/ |
| 36 |
|
| 37 |
public static function init() { |
| 38 |
static $instance = false; |
| 39 |
|
| 40 |
if ( !$instance ) { |
| 41 |
$instance = new Jetpack_Comments; |
| 42 |
} |
| 43 |
|
| 44 |
return $instance; |
| 45 |
} |
| 46 |
|
| 47 |
/** |
| 48 |
* Main constructor for Jetpack Comments |
| 49 |
* |
| 50 |
* @since JetpackComments (1.4) |
| 51 |
*/ |
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public function __construct() { |
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parent::__construct(); |
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|
| 55 |
// Jetpack Comments is loaded |
| 56 |
do_action_ref_array( 'jetpack_comments_loaded', array( $this ) ); |
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add_action( 'after_setup_theme', array( $this, 'set_default_color_theme_based_on_theme_settings' ), 100 ); |
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} |
| 59 |
|
| 60 |
public function set_default_color_theme_based_on_theme_settings() { |
| 61 |
if ( function_exists( 'twentyeleven_get_theme_options' ) ) { |
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$theme_options = twentyeleven_get_theme_options(); |
| 63 |
$theme_color_scheme = isset( $theme_options['color_scheme'] ) ? $theme_options['color_scheme'] : 'transparent'; |
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} else { |
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$theme_color_scheme = get_theme_mod( 'color_scheme', 'transparent' ); |
| 66 |
} |
| 67 |
// Default for $theme_color_scheme is 'transparent' just so it doesn't match 'light' or 'dark' |
| 68 |
// The default for Jetpack's color scheme is still defined above as 'light' |
| 69 |
|
| 70 |
if ( false !== stripos( $theme_color_scheme, 'light' ) ) { |
| 71 |
$this->default_color_scheme = 'light'; |
| 72 |
} elseif ( false !== stripos( $theme_color_scheme, 'dark' ) ) { |
| 73 |
$this->default_color_scheme = 'dark'; |
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} |
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} |
| 76 |
|
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/** Private Methods *******************************************************/ |
| 78 |
|
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/** |
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* Set any global variables or class variables |
| 81 |
* @since JetpackComments (1.4) |
| 82 |
*/ |
| 83 |
protected function setup_globals() { |
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parent::setup_globals(); |
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|
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// Sources |
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$this->id_sources = array( |
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'guest', |
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'jetpack', |
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'wordpress', |
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'twitter', |
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'facebook' |
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); |
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} |
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|
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/** |
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* Setup actions for methods in this class |
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* @since JetpackComments (1.4) |
| 99 |
*/ |
| 100 |
protected function setup_actions() { |
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parent::setup_actions(); |
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|
| 103 |
// Selfishly remove everything from the existing comment form |
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remove_all_actions( 'comment_form_before' ); |
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remove_all_actions( 'comment_form_after' ); |
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|
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// Selfishly add only our actions back to the comment form |
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add_action( 'comment_form_before', array( $this, 'comment_form_before' ) ); |
| 109 |
add_action( 'comment_form_after', array( $this, 'comment_form_after' ) ); |
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|
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// Before a comment is posted |
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add_action( 'pre_comment_on_post', array( $this, 'pre_comment_on_post' ), 1 ); |
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|
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// After a comment is posted |
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add_action( 'comment_post', array( $this, 'add_comment_meta' ) ); |
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} |
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|
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/** |
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* Setup filters for methods in this class |
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* @since 1.6.2 |
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*/ |
| 122 |
protected function setup_filters() { |
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parent::setup_filters(); |
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|
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add_filter( 'comment_post_redirect', array( $this, 'capture_comment_post_redirect_to_reload_parent_frame' ), 100 ); |
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add_filter( 'get_avatar', array( $this, 'get_avatar' ), 10, 4 ); |
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} |
| 128 |
|
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/** |
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* Get the comment avatar from Gravatar, Twitter, or Facebook |
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* |
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* @since JetpackComments (1.4) |
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* @param string $avatar Current avatar URL |
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* @param string $comment Comment for the avatar |
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* @param int $size Size of the avatar |
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* @param string $default Not used |
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* @return string New avatar |
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*/ |
| 139 |
public function get_avatar( $avatar, $comment, $size, $default ) { |
| 140 |
if ( ! isset( $comment->comment_post_ID ) || ! isset( $comment->comment_ID ) ) { |
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// it's not a comment - bail |
| 142 |
return $avatar; |
| 143 |
} |
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|
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if ( false === strpos( $comment->comment_author_url, '/www.facebook.com/' ) && false === strpos( $comment->comment_author_url, '/twitter.com/' ) ) { |
| 146 |
// It's neither FB nor Twitter - bail |
| 147 |
return $avatar; |
| 148 |
} |
| 149 |
|
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// It's a FB or Twitter avatar |
| 151 |
$foreign_avatar = get_comment_meta( $comment->comment_ID, 'hc_avatar', true ); |
| 152 |
if ( empty( $foreign_avatar ) ) { |
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// Can't find the avatar details - bail |
| 154 |
return $avatar; |
| 155 |
} |
| 156 |
|
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// Return the FB or Twitter avatar |
| 158 |
return preg_replace( '#src=([\'"])[^\'"]+\\1#', 'src=\\1' . esc_url( $this->photon_avatar( $foreign_avatar, $size ) ) . '\\1', $avatar ); |
| 159 |
} |
| 160 |
|
| 161 |
/** Output Methods ********************************************************/ |
| 162 |
|
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/** |
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* Start capturing the core comment_form() output |
| 165 |
* @since JetpackComments (1.4) |
| 166 |
*/ |
| 167 |
public function comment_form_before() { |
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// Add some JS to the footer |
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add_action( 'wp_footer', array( $this, 'watch_comment_parent' ), 100 ); |
| 170 |
|
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ob_start(); |
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} |
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|
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/** |
| 175 |
* Noop teh default comment form output, get some options, and output our |
| 176 |
* tricked out totally radical comment form. |
| 177 |
* |
| 178 |
* @since JetpackComments (1.4) |
| 179 |
*/ |
| 180 |
public function comment_form_after() { |
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|
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// Throw it all out and drop in our replacement |
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ob_end_clean(); |
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|
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// If users are required to be logged in, and they're not, then we don't need to do anything else |
| 186 |
if ( get_option( 'comment_registration' ) && !is_user_logged_in() ) { |
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echo '<p class="must-log-in">' . sprintf( apply_filters( 'jetpack_must_log_in_to_comment', __( 'You must <a href="%s">log in</a> to post a comment.', 'jetpack' ) ), wp_login_url( get_permalink() . '#respond' ) ) . '</p>'; |
| 188 |
return; |
| 189 |
} |
| 190 |
|
| 191 |
if ( in_array( 'subscriptions', Jetpack::get_active_modules() ) ) { |
| 192 |
$stb_enabled = get_option( 'stb_enabled', 1 ); |
| 193 |
$stb_enabled = empty( $stb_enabled ) ? 0 : 1; |
| 194 |
|
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$stc_enabled = get_option( 'stc_enabled', 1 ); |
| 196 |
$stc_enabled = empty( $stc_enabled ) ? 0 : 1; |
| 197 |
} else { |
| 198 |
$stb_enabled = 0; |
| 199 |
$stc_enabled = 0; |
| 200 |
} |
| 201 |
|
| 202 |
$params = array( |
| 203 |
'blogid' => Jetpack_Options::get_option( 'id' ), |
| 204 |
'postid' => get_the_ID(), |
| 205 |
'comment_registration' => ( get_option( 'comment_registration' ) ? '1' : '0' ), // Need to explicitly send a '1' or a '0' for these |
| 206 |
'require_name_email' => ( get_option( 'require_name_email' ) ? '1' : '0' ), |
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'stc_enabled' => $stc_enabled, |
| 208 |
'stb_enabled' => $stb_enabled, |
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'show_avatars' => ( get_option( 'show_avatars' ) ? '1' : '0' ), |
| 210 |
'avatar_default' => get_option( 'avatar_default' ), |
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'greeting' => get_option( 'highlander_comment_form_prompt', __( 'Leave a Reply', 'jetpack' ) ), |
| 212 |
'greeting_reply' => apply_filters( 'jetpack_comment_form_prompt_reply', __( 'Leave a Reply to %s' , 'jetpack' ) ), |
| 213 |
'color_scheme' => get_option( 'jetpack_comment_form_color_scheme', $this->default_color_scheme ), |
| 214 |
'lang' => get_bloginfo( 'language' ), |
| 215 |
'jetpack_version' => JETPACK__VERSION, |
| 216 |
); |
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|
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// Extra parameters for logged in user |
| 219 |
if ( is_user_logged_in() ) { |
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$current_user = wp_get_current_user(); |
| 221 |
$params['hc_post_as'] = 'jetpack'; |
| 222 |
$params['hc_userid'] = $current_user->ID; |
| 223 |
$params['hc_username'] = $current_user->display_name; |
| 224 |
$params['hc_userurl'] = $current_user->user_url; |
| 225 |
$params['hc_useremail'] = md5( strtolower( trim( $current_user->user_email ) ) ); |
| 226 |
if ( current_user_can( 'unfiltered_html' ) ) |
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$params['_wp_unfiltered_html_comment'] = wp_create_nonce( 'unfiltered-html-comment_' . get_the_ID() ); |
| 228 |
} |
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|
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$signature = Jetpack_Comments::sign_remote_comment_parameters( $params, Jetpack_Options::get_option( 'blog_token' ) ); |
| 231 |
if ( is_wp_error( $signature ) ) { |
| 232 |
$signature = 'error'; |
| 233 |
} |
| 234 |
|
| 235 |
$params['sig'] = $signature; |
| 236 |
$url_origin = ( is_ssl() ? 'https' : 'http' ) . '://jetpack.wordpress.com'; |
| 237 |
$url = "{$url_origin}/jetpack-comment/?" . http_build_query( $params ); |
| 238 |
$url = "{$url}#parent=" . urlencode( ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); |
| 239 |
$this->signed_url = $url; |
| 240 |
$height = $params['comment_registration'] || is_user_logged_in() ? '315' : '430'; // Iframe can be shorter if we're not allowing guest commenting |
| 241 |
$transparent = ( $params['color_scheme'] == 'transparent' ) ? 'true' : 'false'; |
| 242 |
|
| 243 |
if ( isset( $_GET['replytocom'] ) ) { |
| 244 |
$url .= '&replytocom=' . (int) $_GET['replytocom']; |
| 245 |
} |
| 246 |
|
| 247 |
// The actual iframe (loads comment form from Jetpack server) |
| 248 |
?> |
| 249 |
|
| 250 |
<div id="respond" class="comment-respond"> |
| 251 |
<h3 id="reply-title" class="comment-reply-title"><?php comment_form_title( esc_html( $params['greeting'] ), esc_html( $params['greeting_reply'] ) ); ?> <small><?php cancel_comment_reply_link( esc_html__( 'Cancel reply' , 'jetpack') ); ?></small></h3> |
| 252 |
<div id="commentform" class="comment-form"> |
| 253 |
<iframe src="<?php echo esc_url( $url ); ?>" allowtransparency="<?php echo $transparent; ?>" style="width:100%; height: <?php echo $height; ?>px;border:0px;" frameBorder="0" scrolling="no" name="jetpack_remote_comment" id="jetpack_remote_comment"></iframe> |
| 254 |
</div> |
| 255 |
</div> |
| 256 |
|
| 257 |
<?php // Below is required for comment reply JS to work ?> |
| 258 |
|
| 259 |
<input type="hidden" name="comment_parent" id="comment_parent" value="" /> |
| 260 |
|
| 261 |
<?php |
| 262 |
} |
| 263 |
|
| 264 |
/** |
| 265 |
* Add some JS to wp_footer to watch for hierarchical reply parent change |
| 266 |
* |
| 267 |
* @since JetpackComments (1.4) |
| 268 |
*/ |
| 269 |
public function watch_comment_parent() { |
| 270 |
$url_origin = ( is_ssl() ? 'https' : 'http' ) . '://jetpack.wordpress.com'; |
| 271 |
?> |
| 272 |
|
| 273 |
<!--[if IE]> |
| 274 |
<script type="text/javascript"> |
| 275 |
if ( 0 === window.location.hash.indexOf( '#comment-' ) ) { |
| 276 |
// window.location.reload() doesn't respect the Hash in IE |
| 277 |
window.location.hash = window.location.hash; |
| 278 |
} |
| 279 |
</script> |
| 280 |
<![endif]--> |
| 281 |
<script type="text/javascript"> |
| 282 |
var comm_par_el = document.getElementById( 'comment_parent' ), |
| 283 |
comm_par = (comm_par_el && comm_par_el.value) ? comm_par_el.value : '', |
| 284 |
frame = document.getElementById( 'jetpack_remote_comment' ), |
| 285 |
tellFrameNewParent; |
| 286 |
|
| 287 |
tellFrameNewParent = function() { |
| 288 |
if ( comm_par ) { |
| 289 |
frame.src = <?php echo json_encode( esc_url_raw( $this->signed_url ) ); ?> + '&replytocom=' + parseInt( comm_par, 10 ).toString(); |
| 290 |
} else { |
| 291 |
frame.src = <?php echo json_encode( esc_url_raw( $this->signed_url ) ); ?>; |
| 292 |
} |
| 293 |
}; |
| 294 |
|
| 295 |
<?php if ( get_option( 'thread_comments' ) && get_option( 'thread_comments_depth' ) ) : ?> |
| 296 |
|
| 297 |
if ( 'undefined' !== typeof addComment ) { |
| 298 |
addComment._Jetpack_moveForm = addComment.moveForm; |
| 299 |
|
| 300 |
addComment.moveForm = function( commId, parentId, respondId, postId ) { |
| 301 |
var returnValue = addComment._Jetpack_moveForm( commId, parentId, respondId, postId ), cancelClick, cancel; |
| 302 |
|
| 303 |
if ( false === returnValue ) { |
| 304 |
cancel = document.getElementById( 'cancel-comment-reply-link' ); |
| 305 |
cancelClick = cancel.onclick; |
| 306 |
cancel.onclick = function() { |
| 307 |
var cancelReturn = cancelClick.call( this ); |
| 308 |
if ( false !== cancelReturn ) { |
| 309 |
return cancelReturn; |
| 310 |
} |
| 311 |
|
| 312 |
if ( !comm_par ) { |
| 313 |
return cancelReturn; |
| 314 |
} |
| 315 |
|
| 316 |
comm_par = 0; |
| 317 |
|
| 318 |
tellFrameNewParent(); |
| 319 |
|
| 320 |
return cancelReturn; |
| 321 |
}; |
| 322 |
} |
| 323 |
|
| 324 |
if ( comm_par == parentId ) { |
| 325 |
return returnValue; |
| 326 |
} |
| 327 |
|
| 328 |
comm_par = parentId; |
| 329 |
|
| 330 |
tellFrameNewParent(); |
| 331 |
|
| 332 |
return returnValue; |
| 333 |
}; |
| 334 |
} |
| 335 |
|
| 336 |
<?php endif; ?> |
| 337 |
|
| 338 |
if ( window.postMessage ) { |
| 339 |
if ( document.addEventListener ) { |
| 340 |
window.addEventListener( 'message', function( event ) { |
| 341 |
if ( <?php echo json_encode( esc_url_raw( $url_origin ) ); ?> !== event.origin ) { |
| 342 |
return; |
| 343 |
} |
| 344 |
|
| 345 |
jQuery( frame ).height( event.data ); |
| 346 |
} ); |
| 347 |
} else if ( document.attachEvent ) { |
| 348 |
window.attachEvent( 'message', function( event ) { |
| 349 |
if ( <?php echo json_encode( esc_url_raw( $url_origin ) ); ?> !== event.origin ) { |
| 350 |
return; |
| 351 |
} |
| 352 |
|
| 353 |
jQuery( frame ).height( event.data ); |
| 354 |
} ); |
| 355 |
} |
| 356 |
} |
| 357 |
</script> |
| 358 |
|
| 359 |
<?php |
| 360 |
} |
| 361 |
|
| 362 |
/** |
| 363 |
* Verify the hash included in remote comments. |
| 364 |
* |
| 365 |
* @since JetpackComments (1.4) |
| 366 |
* @param type $comment Not used |
| 367 |
*/ |
| 368 |
public function pre_comment_on_post( $comment ) { |
| 369 |
$post_array = stripslashes_deep( $_POST ); |
| 370 |
|
| 371 |
// Bail if missing the Jetpack token |
| 372 |
if ( ! isset( $post_array['sig'] ) ) { |
| 373 |
unset( $_POST['hc_post_as'] ); |
| 374 |
return; |
| 375 |
} |
| 376 |
|
| 377 |
if ( FALSE !== strpos( $post_array['hc_avatar'], '.gravatar.com' ) ) |
| 378 |
$post_array['hc_avatar'] = htmlentities( $post_array['hc_avatar'] ); |
| 379 |
|
| 380 |
$check = Jetpack_Comments::sign_remote_comment_parameters( $post_array, Jetpack_Options::get_option( 'blog_token' ) ); |
| 381 |
if ( is_wp_error( $check ) ) { |
| 382 |
wp_die( $check ); |
| 383 |
} |
| 384 |
|
| 385 |
// Bail if token is expired or not valid |
| 386 |
if ( $check !== $post_array['sig'] ) |
| 387 |
wp_die( __( 'Invalid security token.', 'jetpack' ) ); |
| 388 |
} |
| 389 |
|
| 390 |
/** Capabilities **********************************************************/ |
| 391 |
|
| 392 |
/** |
| 393 |
* Add some additional comment meta after comment is saved about what |
| 394 |
* service the comment is from, the avatar, user_id, etc... |
| 395 |
* |
| 396 |
* @since JetpackComments (1.4) |
| 397 |
* @param type $comment_id |
| 398 |
*/ |
| 399 |
public function add_comment_meta( $comment_id ) { |
| 400 |
$comment_meta = array(); |
| 401 |
|
| 402 |
switch( $this->is_highlander_comment_post() ) { |
| 403 |
case 'facebook' : |
| 404 |
$comment_meta['hc_post_as'] = 'facebook'; |
| 405 |
$comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] ); |
| 406 |
$comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] ); |
| 407 |
break; |
| 408 |
|
| 409 |
case 'twitter' : |
| 410 |
$comment_meta['hc_post_as'] = 'twitter'; |
| 411 |
$comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] ); |
| 412 |
$comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] ); |
| 413 |
break; |
| 414 |
|
| 415 |
case 'wordpress' : |
| 416 |
$comment_meta['hc_post_as'] = 'wordpress'; |
| 417 |
$comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] ); |
| 418 |
$comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] ); |
| 419 |
$comment_meta['hc_wpcom_id_sig'] = stripslashes( $_POST['hc_wpcom_id_sig'] ); //since 1.9 |
| 420 |
break; |
| 421 |
|
| 422 |
case 'jetpack' : |
| 423 |
$comment_meta['hc_post_as'] = 'jetpack'; |
| 424 |
$comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] ); |
| 425 |
$comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] ); |
| 426 |
break; |
| 427 |
|
| 428 |
} |
| 429 |
|
| 430 |
// Bail if no extra comment meta |
| 431 |
if ( empty( $comment_meta ) ) |
| 432 |
return; |
| 433 |
|
| 434 |
// Loop through extra meta and add values |
| 435 |
foreach ( $comment_meta as $key => $value ) |
| 436 |
add_comment_meta( $comment_id, $key, $value, true ); |
| 437 |
} |
| 438 |
function capture_comment_post_redirect_to_reload_parent_frame( $url ) { |
| 439 |
if ( !isset( $_GET['for'] ) || 'jetpack' != $_GET['for'] ) { |
| 440 |
return $url; |
| 441 |
} |
| 442 |
?> |
| 443 |
<!DOCTYPE html> |
| 444 |
<html <?php language_attributes(); ?>> |
| 445 |
<!--<![endif]--> |
| 446 |
<head> |
| 447 |
<meta charset="<?php bloginfo( 'charset' ); ?>" /> |
| 448 |
<title><?php printf( __( 'Submitting Comment%s', 'jetpack' ), '…' ); ?></title> |
| 449 |
<style type="text/css"> |
| 450 |
body { |
| 451 |
display: table; |
| 452 |
width: 100%; |
| 453 |
height: 60%; |
| 454 |
position: absolute; |
| 455 |
top: 0; |
| 456 |
left: 0; |
| 457 |
overflow: hidden; |
| 458 |
color: #333; |
| 459 |
} |
| 460 |
|
| 461 |
h1 { |
| 462 |
text-align: center; |
| 463 |
margin: 0; |
| 464 |
padding: 0; |
| 465 |
display: table-cell; |
| 466 |
vertical-align: middle; |
| 467 |
font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif; |
| 468 |
font-weight: normal; |
| 469 |
} |
| 470 |
|
| 471 |
.hidden { |
| 472 |
opacity: 0; |
| 473 |
} |
| 474 |
|
| 475 |
h1 span { |
| 476 |
-moz-transition-property: opacity; |
| 477 |
-moz-transition-duration: 1s; |
| 478 |
-moz-transition-timing-function: ease-in-out; |
| 479 |
|
| 480 |
-webkit-transition-property: opacity; |
| 481 |
-webkit-transition-duration: 1s; |
| 482 |
-webbit-transition-timing-function: ease-in-out; |
| 483 |
|
| 484 |
-o-transition-property: opacity; |
| 485 |
-o-transition-duration: 1s; |
| 486 |
-o-transition-timing-function: ease-in-out; |
| 487 |
|
| 488 |
-ms-transition-property: opacity; |
| 489 |
-ms-transition-duration: 1s; |
| 490 |
-ms-transition-timing-function: ease-in-out; |
| 491 |
|
| 492 |
transition-property: opacity; |
| 493 |
transition-duration: 1s; |
| 494 |
transition-timing-function: ease-in-out; |
| 495 |
} |
| 496 |
</style> |
| 497 |
</head> |
| 498 |
<body> |
| 499 |
<h1><?php printf( __( 'Submitting Comment%s', 'jetpack' ), '<span id="ellipsis" class="hidden">…</span>' ); ?></h1> |
| 500 |
<script type="text/javascript"> |
| 501 |
try { |
| 502 |
window.parent.location = <?php echo json_encode( $url ); ?>; |
| 503 |
window.parent.location.reload( true ); |
| 504 |
} catch ( e ) { |
| 505 |
window.location = <?php echo json_encode( $url ); ?>; |
| 506 |
window.location.reload( true ); |
| 507 |
} |
| 508 |
ellipsis = document.getElementById( 'ellipsis' ); |
| 509 |
function toggleEllipsis() { |
| 510 |
ellipsis.className = ellipsis.className ? '' : 'hidden'; |
| 511 |
} |
| 512 |
setInterval( toggleEllipsis, 1200 ); |
| 513 |
</script> |
| 514 |
</body> |
| 515 |
</html> |
| 516 |
<?php |
| 517 |
exit; |
| 518 |
} |
| 519 |
} |
| 520 |
|
| 521 |
Jetpack_Comments::init(); |
| 522 |
|
