File: /home/honghock/www/wp-content/plugins/broken-link-checker-seo/app/Api/CommonTableActions.php
<?php
namespace AIOSEO\BrokenLinkChecker\Api;
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
use AIOSEO\BrokenLinkChecker\Models;
/**
* Handles all common table action handlers.
*
* @since 1.1.0
*/
abstract class CommonTableActions {
/**
* Unlinks the given link.
*
* @since 1.1.0
*
* @param \WP_REST_Request $request The REST Request
* @return \WP_REST_Response The response.
*/
public static function unlink( $request ) {
$body = $request->get_json_params();
$linkStatusId = ! empty( $body['linkStatusId'] ) ? intval( $body['linkStatusId'] ) : null;
$linkId = ! empty( $body['linkId'] ) ? intval( $body['linkId'] ) : null;
if ( empty( $linkStatusId ) && empty( $linkId ) ) {
return new \WP_REST_Response( [
'success' => false,
'message' => 'No link status ID or link ID given.'
], 400 );
}
if ( ! empty( $linkStatusId ) ) {
$links = Models\Link::getByLinkStatusId( $linkStatusId );
foreach ( $links as $link ) {
self::removeLink( $link->id );
}
return new \WP_REST_Response( [
'success' => true
], 200 );
}
$success = self::removeLink( $linkId );
if ( empty( $success ) ) {
return new \WP_REST_Response( [
'success' => false,
'message' => 'Link could not be removed.'
], 400 );
}
return new \WP_REST_Response( [
'success' => true
], 200 );
}
/**
* Rechecks the given links.
*
* @since 1.0.0
* @version 1.1.0 Moved from BrokenLinks to TableActions and add support for bulk-checking rows.
*
* @param array $linkStatusRows The Link Status rows.
* @return object|bool The response or false if the links could not be checked.
*/
protected static function recheckLinks( $linkStatusRows ) {
$linkStatusIds = array_map( function( $linkStatusRow ) {
return $linkStatusRow['id'];
}, $linkStatusRows );
$linkStatuses = Models\LinkStatus::getByIds( $linkStatusIds );
if ( empty( $linkStatuses ) ) {
return false;
}
$rows = [];
foreach ( $linkStatuses as $linkStatus ) {
$rows[ $linkStatus->id ] = $linkStatus->url;
}
$requestBody = array_merge(
aioseoBrokenLinkChecker()->main->linkStatus->data->getBaseData(),
[ 'rows' => $rows ]
);
$response = aioseoBrokenLinkChecker()->main->linkStatus->doPostRequest( 'recheck-bulk', $requestBody );
$responseCode = (int) wp_remote_retrieve_response_code( $response );
$responseBody = json_decode( wp_remote_retrieve_body( $response ) );
if ( is_wp_error( $response ) && 200 !== $responseCode || empty( $responseBody->success ) || empty( $responseBody->rows ) ) {
return false;
}
foreach ( $responseBody->rows as $row ) {
// Parse the data into a useable format and then save the updated results.
aioseoBrokenLinkChecker()->main->linkStatus->parseResultsHelper( $row );
}
return $responseBody;
}
/**
* Updates a given link with a new anchor and/or URL.
*
* @since 1.1.0
*
* @param int $linkId The Link ID.
* @param string $newAnchor The new anchor.
* @param string $newUrl The new URL.
* @return bool Whether the Link was updated.
*/
protected static function updateLink( $linkId, $newAnchor = '', $newUrl = '' ) {
$link = Models\Link::getById( $linkId );
if ( ! $link->exists() ) {
return false;
}
$post = get_post( $link->post_id );
if ( ! is_a( $post, 'WP_Post' ) ) {
return false;
}
if ( empty( $newAnchor ) && empty( $newUrl ) ) {
return false;
}
// First, update the link in the phrase.
$oldAnchor = aioseoBrokenLinkChecker()->helpers->escapeRegex( $link->anchor );
$oldUrl = aioseoBrokenLinkChecker()->helpers->escapeRegex( $link->url );
$escapedAnchor = aioseoBrokenLinkChecker()->helpers->escapeRegexReplacement( $newAnchor ?: $link->anchor );
$escapedUrl = aioseoBrokenLinkChecker()->helpers->escapeRegexReplacement( $newUrl ?: $link->url );
$newPhraseHtml = preg_replace( "/(<a.*?href=\")($oldUrl)(\".*?>[\s\w]*?)(<[^>]+>)?($oldAnchor)(<\/[^>]+>)?([\s\w]*?<\/a>)/is", "$1$escapedUrl$3$4$escapedAnchor$6$7", $link->phrase_html );
$success = self::updateLinkInContent( $post, $link, $newPhraseHtml );
if ( ! $success ) {
// It's possible that the update failed because the original/old URL is relative in the phrase HTML.
// In that case, make the old URL relative to match it.
// This is needed because we make URLs absolute before storing them in the DB.
$relativeUrl = self::makeUrlRelative( $link->url );
if ( $relativeUrl !== $link->url ) {
$oldUrl = aioseoBrokenLinkChecker()->helpers->escapeRegex( $relativeUrl );
$newPhraseHtml = preg_replace( "/(<a.*?href=\")($oldUrl)(\".*?>[\s\w]*?)(<[^>]+>)?($oldAnchor)(<\/[^>]+>)?([\s\w]*?<\/a>)/is", "$1$escapedUrl$3$4$escapedAnchor$6$7", $link->phrase_html ); // phpcs:ignore Generic.Files.LineLength.MaxExceeded
$success = self::updateLinkInContent( $post, $link, $newPhraseHtml );
}
}
return $success;
}
/**
* Removes a given link.
*
* @since 1.0.0
* @version 1.1.0 Moved from BrokenLinks to TableActions.
*
* @param int $linkId The Link ID.
* @return bool Whether the Link was unlinked.
*/
protected static function removeLink( $linkId ) {
$link = Models\Link::getById( $linkId );
if ( ! $link->exists() ) {
return false;
}
$post = get_post( $link->post_id );
if ( ! is_a( $post, 'WP_Post' ) ) {
return false;
}
// First, remove the link in the phrase.
$escapedAnchor = aioseoBrokenLinkChecker()->helpers->escapeRegex( $link->anchor );
$newPhraseHtml = preg_replace( "/<a.*?>([\s\w<>]*?{$escapedAnchor}[\s\w<>\/]*?)<\/a>/is", '$1', (string) aioseoBrokenLinkChecker()->helpers->escapeRegexReplacement( $link->phrase_html ) );
if ( self::checkIsRelativeUrl( $link->url ) ) {
$escapedUrl = aioseoBrokenLinkChecker()->helpers->escapeRegex( $link->url );
$newPhraseHtml = preg_replace( "/<a.*?href=\"{$escapedUrl}\".*?>[\s\w<>]*?{$escapedAnchor}[\s\w<>\/]*?<\/a>/is", $escapedAnchor, $newPhraseHtml );
}
return self::updateLinkInContent( $post, $link, $newPhraseHtml, true );
}
/**
* Adds, updates or removes a link in the content.
*
* @since 1.2.3
*
* @param \WP_Post $post The post object.
* @param object $link The link object.
* @param string $newPhraseHtml The new phrase HTML.
* @param bool $isDeletion Whether the link is being deleted.
* @return bool Whether the link was updated/deleted.
*/
private static function updateLinkInContent( $post, $link, $newPhraseHtml, $isDeletion = false ) {
$postContent = str_replace( ' ', ' ', (string) $post->post_content );
$oldPhraseHtml = aioseoBrokenLinkChecker()->helpers->escapeRegex( $link->phrase_html );
$pattern = "/$oldPhraseHtml/i";
$postContent = preg_replace( $pattern, $newPhraseHtml, (string) $postContent );
// If the phrase is still there and we're deleting, attempt to remove it without the phrase if it occurs just once.
if ( $isDeletion && preg_match( $pattern, $postContent ) ) {
// Check if the post has just one occurence of this link.
$escapedAnchor = aioseoBrokenLinkChecker()->helpers->escapeRegex( $link->anchor );
$escapedUrl = aioseoBrokenLinkChecker()->helpers->escapeRegex( $link->url );
$pattern2 = "/<a.*?href=\"{$escapedUrl}\".*?>[\s\w<>]*?{$escapedAnchor}[\s\w<>\/]*?<\/a>/is";
preg_match_all( $pattern2, $postContent, $matches );
// If there's just one match, remove it without the phrase.
if ( isset( $matches[0] ) && 1 === count( $matches[0] ) ) {
$escapedAnchorReplacement = aioseoBrokenLinkChecker()->helpers->escapeRegexReplacement( $link->anchor );
$postContent = preg_replace( $pattern2, $escapedAnchorReplacement, $postContent );
}
}
// Check again. If the phrase is still the same, bail.
if ( preg_match( $pattern, $postContent ) ) {
return false;
}
// Reset modified date when the post is updated if the option is enabled.
$limitModifiedDate = aioseoBrokenLinkChecker()->options->general->linkTweaks->limitModifiedDate;
if ( $limitModifiedDate ) {
add_filter( 'wp_insert_post_data', function ( $data ) use ( $post ) {
$data['post_modified'] = $post->post_modified;
$data['post_modified_gmt'] = $post->post_modified_gmt;
return $data;
}, 99999, 1 );
}
// Now, update the post with the modified post content.
$error = wp_update_post( [
'ID' => $link->post_id,
'post_content' => $postContent
], true );
if ( 0 === $error || is_a( $error, 'WP_Error' ) ) {
return false;
}
// Indicate that the post needs to be rescanned.
aioseoBrokenLinkChecker()->main->links->postsToRescan[] = $link->post_id;
// The "save_post" callback will trigger a rescan of the post, so we can delete the existing Link record.
$link->delete();
return true;
}
/**
* Checks if the given URL is relative.
*
* @since 1.2.3
*
* @param string $url The URL to check.
* @return bool Whether the URL is relative.
*/
private static function checkIsRelativeUrl( $url ) {
$parsedUrl = wp_parse_url( $url );
if ( ! $parsedUrl ) {
return false;
}
return empty( $parsedUrl['scheme'] ) && empty( $parsedUrl['host'] );
}
/**
* Makes the given URL relative.
*
* @since 1.2.3
*
* @param string $url The URL to make relative.
* @return string The relative URL.
*/
private static function makeUrlRelative( $url ) {
$parsedUrl = wp_parse_url( $url );
if ( ! $parsedUrl ) {
return $url;
}
return ! empty( $parsedUrl['path'] ) ? $parsedUrl['path'] : $url;
}
}