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Edit File : bookmark.php \| Size : 11.45 KB
<?php /** * WordPress Bookmark Administration API * * @package WordPress * @subpackage Administration / /* * Adds a link 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(); } /* * 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>' . __( 'You need a higher level of permission.' ) . '</h1>' . '<p>' . __( 'Sorry, you are not allowed to edit the links for this site.' ) . '</p>', 403 ); } $_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 ); } else { 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 = esc_url( wp_unslash( $_GET['linkurl'] ) ); } else { $link->link_url = ''; } if ( isset( $_GET['name'] ) ) { $link->link_name = esc_attr( wp_unslash( $_GET['name'] ) ); } else { $link->link_name = ''; } $link->link_visible = 'Y'; return $link; } /* * 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; /* * 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; } /* * Retrieves the link category IDs associated with the link specified. * * @since 2.1.0 * * @param int $link_id Link ID to look up. * @return int[] The IDs of 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 ); } /* * 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' ); } /* * Inserts a link into the database, or updates an existing link. * * Runs all the necessary sanitizing, provides default values if arguments are missing, * and finally saves the link. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $linkdata { * Elements that make up the link to insert. * * @type int $link_id Optional. The ID of the existing link if updating. * @type string $link_url The URL the link points to. * @type string $link_name The title of the link. * @type string $link_image Optional. A URL of an image. * @type string $link_target Optional. The target element for the anchor tag. * @type string $link_description Optional. A short description of the link. * @type string $link_visible Optional. 'Y' means visible, anything else means not. * @type int $link_owner Optional. A user ID. * @type int $link_rating Optional. A rating for the link. * @type string $link_rel Optional. A relationship of the link to you. * @type string $link_notes Optional. An extended description of or notes on the link. * @type string $link_rss Optional. A URL of an associated RSS feed. * @type int $link_category Optional. The term ID of the link category. * If empty, uses default link category. * } * @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, ); $parsed_args = wp_parse_args( $linkdata, $defaults ); $parsed_args = wp_unslash( sanitize_bookmark( $parsed_args, 'db' ) ); $link_id = $parsed_args['link_id']; $link_name = $parsed_args['link_name']; $link_url = $parsed_args['link_url']; $update = false; if ( ! empty( $link_id ) ) { $update = true; } if ( '' === trim( $link_name ) ) { if ( '' !== trim( $link_url ) ) { $link_name = $link_url; } else { return 0; } } if ( '' === trim( $link_url ) ) { return 0; } $link_rating = ( ! empty( $parsed_args['link_rating'] ) ) ? $parsed_args['link_rating'] : 0; $link_image = ( ! empty( $parsed_args['link_image'] ) ) ? $parsed_args['link_image'] : ''; $link_target = ( ! empty( $parsed_args['link_target'] ) ) ? $parsed_args['link_target'] : ''; $link_visible = ( ! empty( $parsed_args['link_visible'] ) ) ? $parsed_args['link_visible'] : 'Y'; $link_owner = ( ! empty( $parsed_args['link_owner'] ) ) ? $parsed_args['link_owner'] : get_current_user_id(); $link_notes = ( ! empty( $parsed_args['link_notes'] ) ) ? $parsed_args['link_notes'] : ''; $link_description = ( ! empty( $parsed_args['link_description'] ) ) ? $parsed_args['link_description'] : ''; $link_rss = ( ! empty( $parsed_args['link_rss'] ) ) ? $parsed_args['link_rss'] : ''; $link_rel = ( ! empty( $parsed_args['link_rel'] ) ) ? $parsed_args['link_rel'] : ''; $link_category = ( ! empty( $parsed_args['link_category'] ) ) ? $parsed_args['link_category'] : array(); $link_updated = gmdate( 'Y-m-d H:i:s', current_time( 'timestamp', 0 ) ); // 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_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss', 'link_updated' ), 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 { 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', 'link_updated' ) ) ) { 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 ); 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; } /* * Updates link with the specified link categories. * * @since 2.1.0 * * @param int $link_id ID of the link to update. * @param int[] $link_categories Array of link category IDs 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' ) ); } $link_categories = array_map( 'intval', $link_categories ); $link_categories = array_unique( $link_categories ); wp_set_object_terms( $link_id, $link_categories, 'link_category' ); clean_bookmark_cache( $link_id ); } /* * Updates a link in the database. * * @since 2.0.0 * * @param array $linkdata Link data to update. See wp_insert_link() for accepted arguments. * @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 = wp_slash( $link ); // Passed link category list overwrites existing category list if not empty. if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] ) && count( $linkdata['link_category'] ) > 0 ) { $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['link_category'] = $link_cats; return wp_insert_link( $linkdata ); } /* * Outputs the 'disabled' message for the WordPress Link Manager. * * @since 3.5.0 * @access private * * @global string $pagenow The filename of the current screen. / function wp_link_manager_disabled_message() { global $pagenow; if ( ! in_array( $pagenow, array( 'link-manager.php', 'link-add.php', 'link.php' ), true ) ) { 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 ) { $plugins = get_plugins(); if ( empty( $plugins['link-manager/link-manager.php'] ) ) { if ( current_user_can( 'install_plugins' ) ) { $install_url = wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=link-manager' ), 'install-plugin_link-manager' ); wp_die( sprintf( / translators: %s: A link to install the Link Manager plugin. / __( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager plugin</a>.' ), esc_url( $install_url ) ) ); } } elseif ( is_plugin_inactive( 'link-manager/link-manager.php' ) ) { if ( current_user_can( 'activate_plugins' ) ) { $activate_url = wp_nonce_url( self_admin_url( 'plugins.php?action=activate&plugin=link-manager/link-manager.php' ), 'activate-plugin_link-manager/link-manager.php' ); wp_die( sprintf( / translators: %s: A link to activate the Link Manager plugin. */ __( 'Please activate the <a href="%s">Link Manager plugin</a> to use the link manager.' ), esc_url( $activate_url ) ) ); } } } wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) ); } Back

Edit File : bookmark.php | Size : 11.45 KB

<?php
/**
 * WordPress Bookmark Administration API
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * Adds a link 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();
}

/**
 * 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>' . __( 'You need a higher level of permission.' ) . '</h1>' .
			'<p>' . __( 'Sorry, you are not allowed to edit the links for this site.' ) . '</p>',
			403
		);
	}

$_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 );
	} else {
		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 = esc_url( wp_unslash( $_GET['linkurl'] ) );
	} else {
		$link->link_url = '';
	}

if ( isset( $_GET['name'] ) ) {
		$link->link_name = esc_attr( wp_unslash( $_GET['name'] ) );
	} else {
		$link->link_name = '';
	}

$link->link_visible = 'Y';

return $link;
}

/**
 * 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;
	/**
	 * 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;
}

/**
 * Retrieves the link category IDs associated with the link specified.
 *
 * @since 2.1.0
 *
 * @param int $link_id Link ID to look up.
 * @return int[] The IDs of 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 );
}

/**
 * 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' );
}

/**
 * Inserts a link into the database, or updates an existing link.
 *
 * Runs all the necessary sanitizing, provides default values if arguments are missing,
 * and finally saves the link.
 *
 * @since 2.0.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param array $linkdata {
 *     Elements that make up the link to insert.
 *
 *     @type int    $link_id          Optional. The ID of the existing link if updating.
 *     @type string $link_url         The URL the link points to.
 *     @type string $link_name        The title of the link.
 *     @type string $link_image       Optional. A URL of an image.
 *     @type string $link_target      Optional. The target element for the anchor tag.
 *     @type string $link_description Optional. A short description of the link.
 *     @type string $link_visible     Optional. 'Y' means visible, anything else means not.
 *     @type int    $link_owner       Optional. A user ID.
 *     @type int    $link_rating      Optional. A rating for the link.
 *     @type string $link_rel         Optional. A relationship of the link to you.
 *     @type string $link_notes       Optional. An extended description of or notes on the link.
 *     @type string $link_rss         Optional. A URL of an associated RSS feed.
 *     @type int    $link_category    Optional. The term ID of the link category.
 *                                    If empty, uses default link category.
 * }
 * @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,
	);

$parsed_args = wp_parse_args( $linkdata, $defaults );
	$parsed_args = wp_unslash( sanitize_bookmark( $parsed_args, 'db' ) );

$link_id   = $parsed_args['link_id'];
	$link_name = $parsed_args['link_name'];
	$link_url  = $parsed_args['link_url'];

$update = false;
	if ( ! empty( $link_id ) ) {
		$update = true;
	}

if ( '' === trim( $link_name ) ) {
		if ( '' !== trim( $link_url ) ) {
			$link_name = $link_url;
		} else {
			return 0;
		}
	}

if ( '' === trim( $link_url ) ) {
		return 0;
	}

$link_rating      = ( ! empty( $parsed_args['link_rating'] ) ) ? $parsed_args['link_rating'] : 0;
	$link_image       = ( ! empty( $parsed_args['link_image'] ) ) ? $parsed_args['link_image'] : '';
	$link_target      = ( ! empty( $parsed_args['link_target'] ) ) ? $parsed_args['link_target'] : '';
	$link_visible     = ( ! empty( $parsed_args['link_visible'] ) ) ? $parsed_args['link_visible'] : 'Y';
	$link_owner       = ( ! empty( $parsed_args['link_owner'] ) ) ? $parsed_args['link_owner'] : get_current_user_id();
	$link_notes       = ( ! empty( $parsed_args['link_notes'] ) ) ? $parsed_args['link_notes'] : '';
	$link_description = ( ! empty( $parsed_args['link_description'] ) ) ? $parsed_args['link_description'] : '';
	$link_rss         = ( ! empty( $parsed_args['link_rss'] ) ) ? $parsed_args['link_rss'] : '';
	$link_rel         = ( ! empty( $parsed_args['link_rel'] ) ) ? $parsed_args['link_rel'] : '';
	$link_category    = ( ! empty( $parsed_args['link_category'] ) ) ? $parsed_args['link_category'] : array();
	$link_updated     = gmdate( 'Y-m-d H:i:s', current_time( 'timestamp', 0 ) );

// 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_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss', 'link_updated' ), 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 {
		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', 'link_updated' ) ) ) {
			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 );

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;
}

/**
 * Updates link with the specified link categories.
 *
 * @since 2.1.0
 *
 * @param int   $link_id         ID of the link to update.
 * @param int[] $link_categories Array of link category IDs 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' ) );
	}

$link_categories = array_map( 'intval', $link_categories );
	$link_categories = array_unique( $link_categories );

wp_set_object_terms( $link_id, $link_categories, 'link_category' );

clean_bookmark_cache( $link_id );
}

/**
 * Updates a link in the database.
 *
 * @since 2.0.0
 *
 * @param array $linkdata Link data to update. See wp_insert_link() for accepted arguments.
 * @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 = wp_slash( $link );

// Passed link category list overwrites existing category list if not empty.
	if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] )
		&& count( $linkdata['link_category'] ) > 0
	) {
		$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['link_category'] = $link_cats;

return wp_insert_link( $linkdata );
}

/**
 * Outputs the 'disabled' message for the WordPress Link Manager.
 *
 * @since 3.5.0
 * @access private
 *
 * @global string $pagenow The filename of the current screen.
 */
function wp_link_manager_disabled_message() {
	global $pagenow;

if ( ! in_array( $pagenow, array( 'link-manager.php', 'link-add.php', 'link.php' ), true ) ) {
		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 ) {
		$plugins = get_plugins();

if ( empty( $plugins['link-manager/link-manager.php'] ) ) {
			if ( current_user_can( 'install_plugins' ) ) {
				$install_url = wp_nonce_url(
					self_admin_url( 'update.php?action=install-plugin&plugin=link-manager' ),
					'install-plugin_link-manager'
				);

wp_die(
					sprintf(
						/* translators: %s: A link to install the Link Manager plugin. */
						__( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager plugin</a>.' ),
						esc_url( $install_url )
					)
				);
			}
		} elseif ( is_plugin_inactive( 'link-manager/link-manager.php' ) ) {
			if ( current_user_can( 'activate_plugins' ) ) {
				$activate_url = wp_nonce_url(
					self_admin_url( 'plugins.php?action=activate&plugin=link-manager/link-manager.php' ),
					'activate-plugin_link-manager/link-manager.php'
				);

wp_die(
					sprintf(
						/* translators: %s: A link to activate the Link Manager plugin. */
						__( 'Please activate the <a href="%s">Link Manager plugin</a> to use the link manager.' ),
						esc_url( $activate_url )
					)
				);
			}
		}
	}

wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) );
}

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