b39c4f8273
git-svn-id: https://develop.svn.wordpress.org/trunk@1964 602fd350-edb4-49c9-b593-d223f7449a82
91 lines
2.7 KiB
PHP
91 lines
2.7 KiB
PHP
<?php
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require_once( dirname(__FILE__) . '/wp-config.php' );
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if ( empty($doing_trackback) ) {
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$doing_trackback = true;
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require_once('wp-blog-header.php');
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}
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function trackback_response($error = 0, $error_message = '') {
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header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
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if ($error) {
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echo '<?xml version="1.0" encoding="utf-8"?'.">\n";
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echo "<response>\n";
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echo "<error>1</error>\n";
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echo "<message>$error_message</message>\n";
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echo "</response>";
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die();
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} else {
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echo '<?xml version="1.0" encoding="utf-8"?'.">\n";
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echo "<response>\n";
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echo "<error>0</error>\n";
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echo "</response>";
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}
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}
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// trackback is done by a POST
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$request_array = 'HTTP_POST_VARS';
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if (!$tb_id) {
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$tb_id = explode('/', $_SERVER['REQUEST_URI']);
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$tb_id = intval($tb_id[count($tb_id)-1]);
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}
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$tb_url = $_POST['url'];
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$title = $_POST['title'];
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$excerpt = $_POST['excerpt'];
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$blog_name = $_POST['blog_name'];
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$charset = $_POST['charset'];
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if ($charset)
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$charset = strtoupper( trim($charset) );
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else
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$charset = 'auto';
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if ( function_exists('mb_convert_encoding') ) { // For international trackbacks
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$title = mb_convert_encoding($title, get_settings('blog_charset'), $charset);
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$excerpt = mb_convert_encoding($excerpt, get_settings('blog_charset'), $charset);
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$blog_name = mb_convert_encoding($blog_name, get_settings('blog_charset'), $charset);
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}
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if ( is_single() )
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$tb_id = $posts[0]->ID;
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if ( !$tb_id )
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trackback_response(1, 'I really need an ID for this to work.');
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if (empty($title) && empty($tb_url) && empty($blog_name)) {
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// If it doesn't look like a trackback at all...
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header('Location: ' . get_permalink($tb_id));
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exit;
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}
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if ( !empty($tb_url) && !empty($title) && !empty($tb_url) ) {
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header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
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$pingstatus = $wpdb->get_var("SELECT ping_status FROM $wpdb->posts WHERE ID = $tb_id");
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if ('open' != $pingstatus)
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trackback_response(1, 'Sorry, trackbacks are closed for this item.');
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$title = wp_specialchars( strip_tags( $title ) );
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$title = (strlen($title) > 250) ? substr($title, 0, 250) . '...' : $title;
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$excerpt = strip_tags($excerpt);
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$excerpt = (strlen($excerpt) > 255) ? substr($excerpt, 0, 252) . '...' : $excerpt;
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$comment_post_ID = $tb_id;
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$comment_author = $blog_name;
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$comment_author_email = '';
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$comment_author_url = $tb_url;
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$comment_content = "<strong>$title</strong>\n\n$excerpt";
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$comment_type = 'trackback';
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$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type');
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wp_new_comment($commentdata);
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trackback_response(0);
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do_action('trackback_post', $wpdb->insert_id);
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}
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?>
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