<?php
-
+/**
+ * WordPress Bookmark Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Add a link to using values provided in $_POST.
+ *
+ * @since 2.0.0
+ *
+ * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
+ */
function add_link() {
return edit_link();
}
-function edit_link( $link_id = '' ) {
- if (!current_user_can( 'manage_links' ))
- wp_die( __( 'Cheatin’ uh?' ));
+/**
+ * Updates or inserts a link using values provided in $_POST.
+ *
+ * @since 2.0.0
+ *
+ * @param int $link_id Optional. ID of the link to edit. Default 0.
+ * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
+ */
+function edit_link( $link_id = 0 ) {
+ if ( ! current_user_can( 'manage_links' ) ) {
+ wp_die(
+ '<h1>' . __( 'Cheatin’ uh?' ) . '</h1>' .
+ '<p>' . __( 'Sorry, you are not allowed to edit the links for this site.' ) . '</p>',
+ 403
+ );
+ }
- $_POST['link_url'] = wp_specialchars( $_POST['link_url'] );
- $_POST['link_url'] = clean_url($_POST['link_url']);
- $_POST['link_name'] = wp_specialchars( $_POST['link_name'] );
- $_POST['link_image'] = wp_specialchars( $_POST['link_image'] );
- $_POST['link_rss'] = clean_url($_POST['link_rss']);
+ $_POST['link_url'] = esc_html( $_POST['link_url'] );
+ $_POST['link_url'] = esc_url($_POST['link_url']);
+ $_POST['link_name'] = esc_html( $_POST['link_name'] );
+ $_POST['link_image'] = esc_html( $_POST['link_image'] );
+ $_POST['link_rss'] = esc_url($_POST['link_rss']);
+ if ( !isset($_POST['link_visible']) || 'N' != $_POST['link_visible'] )
+ $_POST['link_visible'] = 'Y';
if ( !empty( $link_id ) ) {
$_POST['link_id'] = $link_id;
- return wp_update_link( $_POST);
+ return wp_update_link( $_POST );
} else {
- return wp_insert_link( $_POST);
+ return wp_insert_link( $_POST );
}
}
+/**
+ * Retrieves the default link for editing.
+ *
+ * @since 2.0.0
+ *
+ * @return stdClass Default link object.
+ */
function get_default_link_to_edit() {
+ $link = new stdClass;
if ( isset( $_GET['linkurl'] ) )
- $link->link_url = clean_url( $_GET['linkurl']);
+ $link->link_url = esc_url( wp_unslash( $_GET['linkurl'] ) );
else
$link->link_url = '';
if ( isset( $_GET['name'] ) )
- $link->link_name = attribute_escape( $_GET['name']);
+ $link->link_name = esc_attr( wp_unslash( $_GET['name'] ) );
else
$link->link_name = '';
return $link;
}
-function wp_delete_link($link_id) {
+/**
+ * Deletes a specified link from the database.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $link_id ID of the link to delete
+ * @return true Always true.
+ */
+function wp_delete_link( $link_id ) {
global $wpdb;
-
- do_action('delete_link', $link_id);
-
- wp_delete_object_term_relationships($link_id, 'link_category');
-
- $wpdb->query("DELETE FROM $wpdb->links WHERE link_id = '$link_id'");
-
- do_action('deleted_link', $link_id);
+ /**
+ * Fires before a link is deleted.
+ *
+ * @since 2.0.0
+ *
+ * @param int $link_id ID of the link to delete.
+ */
+ do_action( 'delete_link', $link_id );
+
+ wp_delete_object_term_relationships( $link_id, 'link_category' );
+
+ $wpdb->delete( $wpdb->links, array( 'link_id' => $link_id ) );
+
+ /**
+ * Fires after a link has been deleted.
+ *
+ * @since 2.2.0
+ *
+ * @param int $link_id ID of the deleted link.
+ */
+ do_action( 'deleted_link', $link_id );
+
+ clean_bookmark_cache( $link_id );
return true;
}
-function wp_get_link_cats($link_id = 0) {
-
- $cats = wp_get_object_terms($link_id, 'link_category', 'fields=ids');
-
- return array_unique($cats);
+/**
+ * Retrieves the link categories associated with the link specified.
+ *
+ * @since 2.1.0
+ *
+ * @param int $link_id Link ID to look up
+ * @return array The requested link's categories
+ */
+function wp_get_link_cats( $link_id = 0 ) {
+ $cats = wp_get_object_terms( $link_id, 'link_category', array('fields' => 'ids') );
+ return array_unique( $cats );
}
-function get_link_to_edit( $link_id ) {
- return get_link( $link_id, OBJECT, 'edit' );
+/**
+ * Retrieves link data based on its ID.
+ *
+ * @since 2.0.0
+ *
+ * @param int|stdClass $link Link ID or object to retrieve.
+ * @return object Link object for editing.
+ */
+function get_link_to_edit( $link ) {
+ return get_bookmark( $link, OBJECT, 'edit' );
}
-function wp_insert_link($linkdata) {
- global $wpdb, $current_user;
+/**
+ * Inserts/updates links into/in the database.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $linkdata Elements that make up the link to insert.
+ * @param bool $wp_error Optional. Whether to return a WP_Error object on failure. Default false.
+ * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
+ */
+function wp_insert_link( $linkdata, $wp_error = false ) {
+ global $wpdb;
- $defaults = array('link_id' => 0, 'link_name' => '', 'link_url' => '', 'link_rating' => 0 );
+ $defaults = array( 'link_id' => 0, 'link_name' => '', 'link_url' => '', 'link_rating' => 0 );
- $linkdata = wp_parse_args($linkdata, $defaults);
- $linkdata = sanitize_bookmark($linkdata, 'db');
+ $args = wp_parse_args( $linkdata, $defaults );
+ $r = wp_unslash( sanitize_bookmark( $args, 'db' ) );
- extract($linkdata, EXTR_SKIP);
+ $link_id = $r['link_id'];
+ $link_name = $r['link_name'];
+ $link_url = $r['link_url'];
$update = false;
-
- if ( !empty($link_id) )
+ if ( ! empty( $link_id ) ) {
$update = true;
+ }
- if ( trim( $link_name ) == '' )
- return 0;
+ if ( trim( $link_name ) == '' ) {
+ if ( trim( $link_url ) != '' ) {
+ $link_name = $link_url;
+ } else {
+ return 0;
+ }
+ }
- if ( trim( $link_url ) == '' )
+ if ( trim( $link_url ) == '' ) {
return 0;
+ }
- if ( empty($link_rating) )
- $link_rating = 0;
-
- if ( empty($link_image) )
- $link_image = '';
-
- if ( empty($link_target) )
- $link_target = '';
-
- if ( empty($link_visible) )
- $link_visible = 'Y';
-
- if ( empty($link_owner) )
- $link_owner = $current_user->id;
-
- if ( empty($link_notes) )
- $link_notes = '';
-
- if ( empty($link_description) )
- $link_description = '';
-
- if ( empty($link_rss) )
- $link_rss = '';
-
- if ( empty($link_rel) )
- $link_rel = '';
-
- // Make sure we set a valid category
- if (0 == count($link_category) || !is_array($link_category)) {
- $link_category = array(get_option('default_link_category'));
+ $link_rating = ( ! empty( $r['link_rating'] ) ) ? $r['link_rating'] : 0;
+ $link_image = ( ! empty( $r['link_image'] ) ) ? $r['link_image'] : '';
+ $link_target = ( ! empty( $r['link_target'] ) ) ? $r['link_target'] : '';
+ $link_visible = ( ! empty( $r['link_visible'] ) ) ? $r['link_visible'] : 'Y';
+ $link_owner = ( ! empty( $r['link_owner'] ) ) ? $r['link_owner'] : get_current_user_id();
+ $link_notes = ( ! empty( $r['link_notes'] ) ) ? $r['link_notes'] : '';
+ $link_description = ( ! empty( $r['link_description'] ) ) ? $r['link_description'] : '';
+ $link_rss = ( ! empty( $r['link_rss'] ) ) ? $r['link_rss'] : '';
+ $link_rel = ( ! empty( $r['link_rel'] ) ) ? $r['link_rel'] : '';
+ $link_category = ( ! empty( $r['link_category'] ) ) ? $r['link_category'] : array();
+
+ // Make sure we set a valid category.
+ if ( ! is_array( $link_category ) || 0 == count( $link_category ) ) {
+ $link_category = array( get_option( 'default_link_category' ) );
}
if ( $update ) {
- $wpdb->query("UPDATE $wpdb->links SET link_url='$link_url',
- link_name='$link_name', link_image='$link_image',
- link_target='$link_target',
- link_visible='$link_visible', link_description='$link_description',
- link_rating='$link_rating', link_rel='$link_rel',
- link_notes='$link_notes', link_rss = '$link_rss'
- WHERE link_id='$link_id'");
+ if ( false === $wpdb->update( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ), compact( 'link_id' ) ) ) {
+ if ( $wp_error ) {
+ return new WP_Error( 'db_update_error', __( 'Could not update link in the database' ), $wpdb->last_error );
+ } else {
+ return 0;
+ }
+ }
} else {
- $wpdb->query("INSERT INTO $wpdb->links (link_url, link_name, link_image, link_target, link_description, link_visible, link_owner, link_rating, link_rel, link_notes, link_rss) VALUES('$link_url','$link_name', '$link_image', '$link_target', '$link_description', '$link_visible', '$link_owner', '$link_rating', '$link_rel', '$link_notes', '$link_rss')");
+ if ( false === $wpdb->insert( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ) ) ) {
+ if ( $wp_error ) {
+ return new WP_Error( 'db_insert_error', __( 'Could not insert link into the database' ), $wpdb->last_error );
+ } else {
+ return 0;
+ }
+ }
$link_id = (int) $wpdb->insert_id;
}
- wp_set_link_cats($link_id, $link_category);
+ wp_set_link_cats( $link_id, $link_category );
- if ( $update )
- do_action('edit_link', $link_id);
- else
- do_action('add_link', $link_id);
+ if ( $update ) {
+ /**
+ * Fires after a link was updated in the database.
+ *
+ * @since 2.0.0
+ *
+ * @param int $link_id ID of the link that was updated.
+ */
+ do_action( 'edit_link', $link_id );
+ } else {
+ /**
+ * Fires after a link was added to the database.
+ *
+ * @since 2.0.0
+ *
+ * @param int $link_id ID of the link that was added.
+ */
+ do_action( 'add_link', $link_id );
+ }
+ clean_bookmark_cache( $link_id );
return $link_id;
}
-function wp_set_link_cats($link_id = 0, $link_categories = array()) {
+/**
+ * Update link with the specified link categories.
+ *
+ * @since 2.1.0
+ *
+ * @param int $link_id ID of the link to update.
+ * @param array $link_categories Array of link categories to add the link to.
+ */
+function wp_set_link_cats( $link_id = 0, $link_categories = array() ) {
// If $link_categories isn't already an array, make it one:
- if (!is_array($link_categories) || 0 == count($link_categories))
- $link_categories = array(get_option('default_link_category'));
+ if ( !is_array( $link_categories ) || 0 == count( $link_categories ) )
+ $link_categories = array( get_option( 'default_link_category' ) );
- $link_categories = array_map('intval', $link_categories);
- $link_categories = array_unique($link_categories);
+ $link_categories = array_map( 'intval', $link_categories );
+ $link_categories = array_unique( $link_categories );
- wp_set_object_terms($link_id, $link_categories, 'link_category');
-} // wp_set_link_cats()
+ wp_set_object_terms( $link_id, $link_categories, 'link_category' );
-function wp_update_link($linkdata) {
- global $wpdb;
+ clean_bookmark_cache( $link_id );
+}
+/**
+ * Updates a link in the database.
+ *
+ * @since 2.0.0
+ *
+ * @param array $linkdata Link data to update.
+ * @return int|WP_Error Value 0 or WP_Error on failure. The updated link ID on success.
+ */
+function wp_update_link( $linkdata ) {
$link_id = (int) $linkdata['link_id'];
- $link = get_link($link_id, ARRAY_A);
+ $link = get_bookmark( $link_id, ARRAY_A );
// Escape data pulled from DB.
- $link = add_magic_quotes($link);
+ $link = wp_slash( $link );
// Passed link category list overwrites existing category list if not empty.
- if ( isset($linkdata['link_category']) && is_array($linkdata['link_category'])
- && 0 != count($linkdata['link_category']) )
+ if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] )
+ && 0 != count( $linkdata['link_category'] ) )
$link_cats = $linkdata['link_category'];
else
$link_cats = $link['link_category'];
// Merge old and new fields with new fields overwriting old ones.
- $linkdata = array_merge($link, $linkdata);
+ $linkdata = array_merge( $link, $linkdata );
$linkdata['link_category'] = $link_cats;
- return wp_insert_link($linkdata);
+ return wp_insert_link( $linkdata );
}
-?>
\ No newline at end of file
+/**
+ * Outputs the 'disabled' message for the WordPress Link Manager.
+ *
+ * @since 3.5.0
+ * @access private
+ *
+ * @global string $pagenow
+ */
+function wp_link_manager_disabled_message() {
+ global $pagenow;
+ if ( 'link-manager.php' != $pagenow && 'link-add.php' != $pagenow && 'link.php' != $pagenow )
+ return;
+
+ add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
+ $really_can_manage_links = current_user_can( 'manage_links' );
+ remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
+
+ if ( $really_can_manage_links && current_user_can( 'install_plugins' ) ) {
+ $link = network_admin_url( 'plugin-install.php?tab=search&s=Link+Manager' );
+ wp_die( sprintf( __( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager</a> plugin.' ), $link ) );
+ }
+
+ wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) );
+}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff