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<?php |
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/** |
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* Destination BlackBlaze. |
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* |
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* @package wpdbbkp |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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|
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|
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|
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add_action( 'wp_db_backup_completed', array( 'WPDatabaseBackupBB', 'wp_db_backup_completed' ) ); |
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|
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/** |
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* WPDatabaseBackupBB Class. |
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* |
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* @class WPDatabaseBackupBB |
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*/ |
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class WPDatabaseBackupBB { |
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|
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// Function to upload files to Backblaze B2 |
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public static function upload_backup_to_backblaze($file_path, $file_name) { |
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global $wp_filesystem; |
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|
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if (!function_exists('WP_Filesystem')) { |
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require_once(ABSPATH . '/wp-admin/includes/file.php'); |
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} |
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WP_Filesystem(); |
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|
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$s3_token = get_transient('b2_authorization_token'); |
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$api_url = get_transient('b2_api_url'); |
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$bucket_id = get_option('wpdb_dest_bb_s3_bucket') ?: ''; |
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|
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if (!$s3_token) { |
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$key_id = get_option('wpdb_dest_bb_s3_bucket_key') ?: ''; |
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$app_key = get_option('wpdb_dest_bb_s3_bucket_secret') ?: ''; |
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$b2_authorize_url = "https://api.backblazeb2.com/b2api/v2/b2_authorize_account"; |
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$credentials = base64_encode($key_id . ":" . $app_key); |
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|
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// Authorize account |
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$response = wp_remote_get($b2_authorize_url, array( |
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'headers' => array('Authorization' => 'Basic ' . $credentials), |
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'timeout' => 60 |
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)); |
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|
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if (is_wp_error($response)) { |
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return array('success' => false, 'message' => esc_html__('Authorization request failed: ', 'wpdbbkp') . $response->get_error_message()); |
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} |
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|
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$body = wp_remote_retrieve_body($response); |
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$data = json_decode($body); |
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|
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if (empty($data->authorizationToken)) { |
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return array('success' => false, 'message' => esc_html__('Failed to authorize with Backblaze.', 'wpdbbkp')); |
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} |
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|
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$auth_token = $data->authorizationToken; |
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set_transient('b2_authorization_token', $auth_token, 1 * HOUR_IN_SECONDS); |
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set_transient('b2_api_url', $data->apiUrl, 1 * HOUR_IN_SECONDS); |
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} else { |
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$auth_token = $s3_token; |
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} |
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|
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// Handle large files via multipart upload |
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$file_size = filesize($file_path); |
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$max_part_size = 100 * 1024 * 1024; // 50MB max part size |
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$is_large_file = $file_size > $max_part_size; |
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|
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if ($is_large_file) { |
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return self::handle_large_file_upload($file_path, $file_name, $auth_token, $bucket_id, $max_part_size); |
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} |
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|
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// If it's not a large file, proceed with single file upload |
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return self::upload_single_file($file_path, $file_name, $auth_token, $bucket_id); |
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} |
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|
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// Function to handle large file multipart upload |
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public static function handle_large_file_upload($file_path, $file_name, $auth_token, $bucket_id, $max_part_size) { |
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global $wp_filesystem; |
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if (!function_exists('WP_Filesystem')) { |
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require_once(ABSPATH . '/wp-admin/includes/file.php'); |
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} |
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WP_Filesystem(); |
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|
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if (!$wp_filesystem->exists($file_path)) { |
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return array('success' => false, 'message' => esc_html__('File does not exist: ', 'wpdbbkp') . $file_path); |
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} |
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|
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$root_path = str_replace('\\', '/', ABSPATH); // Normalize to forward slashes for consistency |
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$file_name = str_replace($root_path, '', $file_name); |
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$file_name = ltrim($file_name, '/'); // Ensure there is no leading slash |
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$file_name = 'wpdbbkp/' . $file_name; |
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|
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// Start large file upload |
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$start_large_file_url = get_transient('b2_api_url') . '/b2api/v2/b2_start_large_file'; |
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$response = wp_remote_post($start_large_file_url, array( |
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'body' => wp_json_encode(array( |
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'bucketId' => $bucket_id, |
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'fileName' => $file_name, |
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'contentType' => 'b2/x-auto' |
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)), |
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'headers' => array( |
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'Authorization' => $auth_token, |
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'Content-Type' => 'application/json' |
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), |
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'timeout' => 60 |
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)); |
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if (is_wp_error($response)) { |
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return array('success' => false, 'message' => esc_html__('Failed to start large file upload: ', 'wpdbbkp') . $response->get_error_message()); |
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} |
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|
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$data = json_decode(wp_remote_retrieve_body($response)); |
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$file_id = $data->fileId; |
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|
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$file_size = filesize($file_path); |
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$part_size = 100 * 1024 * 1024; // 100MB per part |
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$num_parts = ceil($file_size / $part_size); // Calculate the number of parts |
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|
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$handle = fopen($file_path, 'rb'); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fopen --required for large files |
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$part_sha1_array = array(); |
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|
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for ($i = 0; $i < $num_parts; $i++) { |
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// Get a new upload part URL for each part |
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$get_upload_part_url = get_transient('b2_api_url') . '/b2api/v2/b2_get_upload_part_url'; |
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$response_2 = wp_remote_post($get_upload_part_url, array( |
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'body' => wp_json_encode(array( |
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'fileId' => $file_id |
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)), |
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'headers' => array( |
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'Authorization' => $auth_token, |
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'Content-Type' => 'application/json' |
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), |
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'timeout' => 60 |
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)); |
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|
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if (is_wp_error($response_2)) { |
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fclose($handle); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fclose --required for large files |
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return array('success' => false, 'message' => esc_html__('Failed to get upload part URL: ', 'wpdbbkp') . $response_2->get_error_message()); |
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} |
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|
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$data_2 = json_decode(wp_remote_retrieve_body($response_2)); |
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$upload_part_url = $data_2->uploadUrl; |
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$upload_part_auth_token = $data_2->authorizationToken; |
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|
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// Read the part from the file |
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$file_part = fread($handle, $part_size); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fread --required for large files |
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if ($file_part === false) { |
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fclose($handle); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fclose --required for large files |
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return array('success' => false, 'message' => esc_html__('Failed to read part ', 'wpdbbkp') . $i . ' from file.'); |
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} |
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|
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$sha1_of_part = sha1($file_part); |
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$part_sha1_array[] = $sha1_of_part; |
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|
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// Upload each part to Backblaze |
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$response = wp_remote_post($upload_part_url, array( |
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'body' => $file_part, |
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'headers' => array( |
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'Authorization' => $upload_part_auth_token, |
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'X-Bz-Part-Number' => ($i + 1), |
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'X-Bz-Content-Sha1' => $sha1_of_part, |
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'Content-Length' => strlen($file_part) |
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), |
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'timeout' => 1800 // 15-minute timeout for large file uploads |
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)); |
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|
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if (is_wp_error($response)) { |
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fclose($handle); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fclose --required for large files |
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return array('success' => false, 'message' => esc_html__('Upload request failed for part ', 'wpdbbkp') . $i . ': ' . $response->get_error_message()); |
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} |
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|
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// Check response code |
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$response_code = wp_remote_retrieve_response_code($response); |
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if ($response_code != 200) { |
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fclose($handle); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fclose --required for large files |
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return array('success' => false, 'message' => esc_html__('Failed to upload part ', 'wpdbbkp') . $i); |
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} |
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} |
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|
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fclose($handle); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fclose --required for large files |
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|
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// Finalize large file upload |
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$finish_large_file_url = get_transient('b2_api_url') . '/b2api/v2/b2_finish_large_file'; |
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$response = wp_remote_post($finish_large_file_url, array( |
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'body' => wp_json_encode(array( |
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'fileId' => $file_id, |
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'partSha1Array' => $part_sha1_array |
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)), |
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'headers' => array( |
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'Authorization' => $auth_token, |
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'Content-Type' => 'application/json' |
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), |
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'timeout' => 60 |
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)); |
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|
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if (is_wp_error($response)) { |
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return array('success' => false, 'message' => esc_html__('Failed to finalize large file upload: ', 'wpdbbkp') . $response->get_error_message()); |
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} |
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|
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return array('success' => true, 'message' => 'Large file ' . $file_name . esc_html__(' uploaded successfully to Backblaze.', 'wpdbbkp')); |
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} |
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|
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|
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public static function upload_single_file($file_path, $file_name, $auth_token, $bucket_id) { |
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global $wp_filesystem; |
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$root_path = str_replace('\\', '/', ABSPATH); // Normalize to forward slashes for consistency |
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$file_name = str_replace($root_path, '', $file_name); |
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$file_name = ltrim($file_name, '/'); // Ensure there is no leading slash |
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$file_name = 'wpdbbkp/'.$file_name; |
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// Get upload URL |
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$upload_url = get_transient('b2_api_url') . '/b2api/v2/b2_get_upload_url'; |
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$response = wp_remote_post($upload_url, array( |
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'body' => wp_json_encode(array('bucketId' => $bucket_id)), |
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'headers' => array( |
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'Authorization' => $auth_token, |
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'Content-Type' => 'application/json' |
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), |
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'timeout' => 60 |
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)); |
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|
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if (is_wp_error($response)) { |
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return array('success' => false, 'message' => esc_html__('Failed to get upload URL: ', 'wpdbbkp') . $response->get_error_message()); |
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} |
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|
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$body = wp_remote_retrieve_body($response); |
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$data = json_decode($body); |
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if (empty($data->uploadUrl)) { |
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return array('success' => false, 'message' => esc_html__('Failed to get upload URL from Backblaze.', 'wpdbbkp')); |
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} |
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|
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$upload_url = $data->uploadUrl; |
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$upload_auth_token = $data->authorizationToken; |
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|
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// Check if file exists |
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if (!$wp_filesystem->exists($file_path)) { |
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return array('success' => false, 'message' => esc_html__('File does not exist: ', 'wpdbbkp') . $file_path); |
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} |
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|
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$file_contents = $wp_filesystem->get_contents($file_path); |
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if ($file_contents === false) { |
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return array('success' => false, 'message' => esc_html__('Failed to read file: ', 'wpdbbkp') . $file_path); |
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} |
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|
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$sha1_of_file_data = sha1($file_contents); |
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|
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// Upload the file |
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$response = wp_remote_post($upload_url, array( |
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'body' => $file_contents, |
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'headers' => array( |
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'Authorization' => $upload_auth_token, |
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'X-Bz-File-Name' => $file_name, |
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'Content-Type' => 'b2/x-auto', |
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'X-Bz-Content-Sha1' => $sha1_of_file_data |
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), |
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'timeout' => 900 |
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)); |
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|
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if (is_wp_error($response)) { |
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return array('success' => false, 'message' => esc_html__('Upload request failed: ', 'wpdbbkp') . $response->get_error_message()); |
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} |
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|
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$response_code = wp_remote_retrieve_response_code($response); |
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if ($response_code != 200) { |
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$response_body = wp_remote_retrieve_body($response); |
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return array('success' => false, 'message' => esc_html__('Failed to upload ', 'wpdbbkp') . $file_name . '. Response: ' . $response_body); |
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} |
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|
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return array('success' => true, 'message' => 'File ' . $file_name . esc_html__(' uploaded successfully to Backblaze.', 'wpdbbkp')); |
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} |
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|
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|
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/** |
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* Run after complete backup. |
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* |
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* @param array $args - backup details. |
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*/ |
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|
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public static function wp_db_backup_completed( &$args ) { |
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$destination_s3 = get_option( 'wp_db_backup_destination_bb' ); |
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if ( isset( $destination_s3 ) && 1 == $destination_s3 && get_option( 'wpdb_dest_bb_s3_bucket_host' ) && get_option( 'wpdb_dest_bb_s3_bucket' ) && get_option( 'wpdb_dest_bb_s3_bucket_key' ) && get_option( 'wpdb_dest_bb_s3_bucket_secret' ) ) { |
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|
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try { |
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|
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$ret = WPDatabaseBackupBB::upload_backup_to_backblaze($args[1], $args[1]); |
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$args[2] = $args[2] .$ret['message']; |
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if ($ret['success']) { |
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$args[4] .= 'Backblaze, '; |
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} |
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} catch ( Exception $e ) { |
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$args[2] = $args[2] . "<br>".esc_html__("Failed to upload Database Backup on s3 bucket", 'wpdbbkp'); |
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} |
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} |
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} |
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|
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} |
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|
