*/
/**
- * {@internal Missing Short Description}}
+ * Add a link to using values provided in $_POST.
*
- * @since unknown
+ * @since 2.0.0
*
- * @return unknown
+ * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
*/
function add_link() {
return edit_link();
}
/**
- * {@internal Missing Short Description}}
+ * Updates or inserts a link using values provided in $_POST.
*
- * @since unknown
+ * @since 2.0.0
*
- * @param unknown_type $link_id
- * @return unknown
+ * @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 = '' ) {
- if (!current_user_can( 'manage_links' ))
- wp_die( __( 'Cheatin’ uh?' ));
+function edit_link( $link_id = 0 ) {
+ if ( ! current_user_can( 'manage_links' ) ) {
+ wp_die(
+ '<h1>' . __( 'Cheatin’ uh?' ) . '</h1>' .
+ '<p>' . __( 'You do not have sufficient permissions to edit the links for this site.' ) . '</p>',
+ 403
+ );
+ }
$_POST['link_url'] = esc_html( $_POST['link_url'] );
$_POST['link_url'] = esc_url($_POST['link_url']);
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 );
}
}
/**
- * {@internal Missing Short Description}}
+ * Retrieves the default link for editing.
*
- * @since unknown
+ * @since 2.0.0
*
- * @return unknown
+ * @return stdClass Default link object.
*/
function get_default_link_to_edit() {
+ $link = new stdClass;
if ( isset( $_GET['linkurl'] ) )
- $link->link_url = esc_url( $_GET['linkurl']);
+ $link->link_url = esc_url( wp_unslash( $_GET['linkurl'] ) );
else
$link->link_url = '';
if ( isset( $_GET['name'] ) )
- $link->link_name = esc_attr( $_GET['name']);
+ $link->link_name = esc_attr( wp_unslash( $_GET['name'] ) );
else
$link->link_name = '';
}
/**
- * {@internal Missing Short Description}}
+ * Deletes a specified link from the database.
+ *
+ * @since 2.0.0
*
- * @since unknown
+ * @global wpdb $wpdb WordPress database abstraction object.
*
- * @param unknown_type $link_id
- * @return unknown
+ * @param int $link_id ID of the link to delete
+ * @return true Always true.
*/
function wp_delete_link( $link_id ) {
global $wpdb;
-
+ /**
+ * 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->query( $wpdb->prepare( "DELETE FROM $wpdb->links WHERE link_id = %d", $link_id ) );
+ $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 );
}
/**
- * {@internal Missing Short Description}}
+ * Retrieves the link categories associated with the link specified.
*
- * @since unknown
+ * @since 2.1.0
*
- * @param unknown_type $link_id
- * @return unknown
+ * @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 );
}
/**
- * {@internal Missing Short Description}}
+ * Retrieves link data based on its ID.
*
- * @since unknown
+ * @since 2.0.0
*
- * @param unknown_type $link_id
- * @return unknown
+ * @param int $link_id ID of link to retrieve.
+ * @return object Link object for editing.
*/
function get_link_to_edit( $link_id ) {
return get_bookmark( $link_id, OBJECT, 'edit' );
}
/**
- * {@internal Missing Short Description}}
+ * Inserts/updates links into/in the database.
+ *
+ * @since 2.0.0
*
- * @since unknown
+ * @global wpdb $wpdb WordPress database abstraction object.
*
- * @param unknown_type $linkdata
- * @return unknown
+ * @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 );
- $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( stripslashes_deep( $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 ) == '' ) {
if ( trim( $link_url ) != '' ) {
}
}
- 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 = get_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 ( ! isset( $link_category ) ||0 == count( $link_category ) || !is_array( $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 ) {
- 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 )
+ 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
+ } else {
return 0;
+ }
}
} else {
- 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 )
+ 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
+ } else {
return 0;
+ }
}
$link_id = (int) $wpdb->insert_id;
}
wp_set_link_cats( $link_id, $link_category );
- if ( $update )
+ 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
+ } 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;
}
/**
- * {@internal Missing Short Description}}
+ * Update link with the specified link categories.
*
- * @since unknown
+ * @since 2.1.0
*
- * @param unknown_type $link_id
- * @param unknown_type $link_categories
+ * @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:
wp_set_object_terms( $link_id, $link_categories, 'link_category' );
clean_bookmark_cache( $link_id );
-} // wp_set_link_cats()
+}
/**
- * {@internal Missing Short Description}}
+ * Updates a link in the database.
*
- * @since unknown
+ * @since 2.0.0
*
- * @param unknown_type $linkdata
- * @return unknown
+ * @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_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'] )
return wp_insert_link( $linkdata );
}
-?>
+/**
+ * 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( __( 'You do not have sufficient permissions to edit the links for this site.' ) );
+}