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Wordpress/wp-admin/admin-ajax.php

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PHP
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<?php
require_once('../wp-config.php');
require_once('admin-functions.php');
require_once('admin-db.php');
define('DOING_AJAX', true);
check_ajax_referer();
if ( !is_user_logged_in() )
die('-1');
function get_out_now() { exit; }
add_action( 'shutdown', 'get_out_now', -1 );
function wp_clean_ajax_input( $i ) {
global $wpdb;
$i = is_array($i) ? array_map('wp_clean_ajax_input', $i) : $wpdb->escape( rawurldecode(stripslashes($i)) );
return $i;
}
function wp_ajax_echo_meta( $pid, $mid, $key, $value ) {
$value = wp_specialchars($value, true);
$key_js = addslashes(wp_specialchars($key, 'double'));
$key = wp_specialchars($key, true);
$r = "<meta><id>$mid</id><postid>$pid</postid><newitem><![CDATA[<table><tbody>";
$r .= "<tr id='meta-$mid'><td valign='top'>";
$r .= "<input name='meta[$mid][key]' tabindex='6' onkeypress='return killSubmit(\"theList.ajaxUpdater(&#039;meta&#039;,&#039;meta-$mid&#039;);\",event);' type='text' size='20' value='$key' />";
$r .= "</td><td><textarea name='meta[$mid][value]' tabindex='6' rows='2' cols='30'>$value</textarea></td><td align='center'>";
$r .= "<input name='updatemeta' type='button' class='updatemeta' tabindex='6' value='Update' onclick='return theList.ajaxUpdater(&#039;meta&#039;,&#039;meta-$mid&#039;);' /><br />";
$r .= "<input name='deletemeta[$mid]' type='submit' onclick=\"return deleteSomething( 'meta', $mid, '";
$r .= sprintf(__("You are about to delete the &quot;%s&quot; custom field on this post.\\n&quot;OK&quot; to delete, &quot;Cancel&quot; to stop."), $key_js);
$r .= "' );\" class='deletemeta' tabindex='6' value='Delete' />";
$r .= "</td></tr></tbody></table>]]></newitem></meta>";
return $r;
}
$_POST = wp_clean_ajax_input( $_POST );
$id = (int) $_POST['id'];
switch ( $_POST['action'] ) :
case 'delete-comment' :
if ( !$comment = get_comment( $id ) )
die('0');
if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) )
die('-1');
if ( wp_delete_comment( $comment->comment_ID ) )
die('1');
else die('0');
break;
case 'delete-comment-as-spam' :
if ( !$comment = get_comment( $id ) )
die('0');
if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) )
die('-1');
if ( wp_set_comment_status( $comment->comment_ID, 'spam' ) )
die('1');
else die('0');
break;
case 'delete-cat' :
if ( !current_user_can( 'manage_categories' ) )
die('-1');
if ( wp_delete_category( $id ) )
die('1');
else die('0');
break;
case 'delete-link' :
if ( !current_user_can( 'manage_links' ) )
die('-1');
if ( wp_delete_link( $id ) )
die('1');
else die('0');
break;
case 'delete-meta' :
if ( !$meta = get_post_meta_by_id( $id ) )
die('0');
if ( !current_user_can( 'edit_post', $meta->post_id ) )
die('-1');
if ( delete_meta( $meta->meta_id ) )
die('1');
die('0');
break;
case 'delete-post' :
if ( !current_user_can( 'delete_post', $id ) )
die('-1');
if ( wp_delete_post( $id ) )
die('1');
else die('0');
break;
case 'delete-page' :
if ( !current_user_can( 'delete_page', $id ) )
die('-1');
if ( wp_delete_post( $id ) )
die('1');
else die('0');
break;
case 'dim-comment' :
if ( !$comment = get_comment( $id ) )
die('0');
if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) )
die('-1');
if ( !current_user_can( 'moderate_comments' ) )
die('-1');
if ( 'unapproved' == wp_get_comment_status($comment->comment_ID) ) {
if ( wp_set_comment_status( $comment->comment_ID, 'approve' ) )
die('1');
} else {
if ( wp_set_comment_status( $comment->comment_ID, 'hold' ) )
die('1');
}
die('0');
break;
case 'add-category' : // On the Fly
if ( !current_user_can( 'manage_categories' ) )
die('-1');
$names = explode(',', $_POST['newcat']);
$r = "<?xml version='1.0' standalone='yes'?><ajaxresponse>";
foreach ( $names as $cat_name ) {
$cat_name = trim($cat_name);
if ( !$category_nicename = sanitize_title($cat_name) )
die('0');
if ( !$cat_id = category_exists( $cat_name ) )
$cat_id = wp_create_category( $cat_name );
$cat_name = wp_specialchars(stripslashes($cat_name));
$r .= "<category><id>$cat_id</id><newitem><![CDATA[";
$r .= "<li id='category-$cat_id'><label for='in-category-$cat_id' class='selectit'>";
$r .= "<input value='$cat_id' type='checkbox' checked='checked' name='post_category[]' id='in-category-$cat_id'/> $cat_name</label></li>";
$r .= "]]></newitem></category>";
}
$r .= '</ajaxresponse>';
header('Content-type: text/xml');
die($r);
break;
case 'add-cat' : // From Manage->Categories
if ( !current_user_can( 'manage_categories' ) )
die('-1');
if ( !$cat = wp_insert_category( $_POST ) )
die('0');
if ( !$cat = get_category( $cat ) )
die('0');
$pad = 0;
$_cat = $cat;
while ( $_cat->category_parent ) {
$_cat = get_category( $_cat->category_parent );
$pad++;
}
$pad = str_repeat('&#8212; ', $pad);
$r = "<?xml version='1.0' standalone='yes'?><ajaxresponse>";
$r .= "<cat><id>$cat->cat_ID</id><newitem><![CDATA[<table><tbody>";
$r .= "<tr id='cat-$cat->cat_ID'><th scope='row'>$cat->cat_ID</th><td>$pad $cat->cat_name</td>";
$r .= "<td>$cat->category_description</td><td>$cat->category_count</td><td>$cat->link_count</td>";
$r .= "<td><a href='categories.php?action=edit&amp;cat_ID=$cat->cat_ID' class='edit'>" . __('Edit') . "</a></td>";
$r .= "<td><a href='categories.php?action=delete&amp;cat_ID=$cat->cat_ID' onclick='return deleteSomething( \"cat\", $cat->cat_ID, \"";
$r .= sprintf(__('You are about to delete the category \"%s\". All of its posts and bookmarks will go to the default categories.\\n\"OK\" to delete, \"Cancel\" to stop.'), addslashes($cat->cat_name));
$r .= "\" );' class='delete'>".__('Delete')."</a></td></tr>";
$r .= "</tbody></table>]]></newitem></cat></ajaxresponse>";
header('Content-type: text/xml');
die($r);
break;
case 'add-meta' :
if ( !current_user_can( 'edit_post', $id ) )
die('-1');
if ( $id < 0 ) {
if ( $pid = write_post() )
$meta = has_meta( $pid );
else
die('0');
$key = $meta[0]['meta_key'];
$value = $meta[0]['meta_value'];
$mid = (int) $meta[0]['meta_id'];
} else {
if ( $mid = add_meta( $id ) )
$meta = get_post_meta_by_id( $mid );
else
die('0');
$key = $meta->meta_key;
$value = $meta->meta_value;
$pid = (int) $meta->post_id;
}
$r = "<?xml version='1.0' standalone='yes'?><ajaxresponse>";
$r .= wp_ajax_echo_meta( $pid, $mid, $key, $value );
$r .= '</ajaxresponse>';
header('Content-type: text/xml');
die($r);
break;
case 'update-meta' :
$mid = (int) array_pop(array_keys($_POST['meta']));
$key = $_POST['meta'][$mid]['key'];
$value = $_POST['meta'][$mid]['value'];
if ( !$meta = get_post_meta_by_id( $mid ) )
die('0');
if ( !current_user_can( 'edit_post', $meta->post_id ) )
die('-1');
$r = "<?xml version='1.0' standalone='yes'?><ajaxresponse>";
if ( $u = update_meta( $mid, $key, $value ) ) {
$key = stripslashes($key);
$value = stripslashes($value);
$r .= wp_ajax_echo_meta( $meta->post_id, $mid, $key, $value );
}
$r .= '</ajaxresponse>';
header('Content-type: text/xml');
die($r);
break;
case 'add-user' :
if ( !current_user_can('edit_users') )
die('-1');
require_once( ABSPATH . WPINC . '/registration-functions.php');
$user_id = add_user();
if ( is_wp_error( $user_id ) ) {
foreach( $user_id->get_error_messages() as $message )
echo "$message<br />";
exit;
} elseif ( !$user_id ) {
die('0');
}
$r = "<?xml version='1.0' standalone='yes'?><ajaxresponse><user><id>$user_id</id><newitem><![CDATA[<table><tbody>";
$r .= user_row( $user_id );
$r .= "</tbody></table>]]></newitem></user></ajaxresponse>";
header('Content-type: text/xml');
die($r);
break;
default :
die('0');
break;
endswitch;
?>
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