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Editing: addon-base-v2.php
<?php if (!defined('UPDRAFTPLUS_DIR')) die('No direct access allowed'); /* Methods to define when extending this class (can use $this->storage and $this->options where relevant): do_bootstrap($possible_options_array) # Return a WP_Error object if something goes wrong do_upload($file, $sourcefile) # Return true/false do_listfiles($match) do_delete($file) - return true/false do_download($file, $fullpath, $start_offset) - return true/false do_config_print() get_credentials_test_required_parameters() - return an array: keys = required _POST parameters; values = description of each do_credentials_test($testfile, $posted_settings) - return true/false; or alternatively an array with keys 'result' (true/false) and 'data' (arbitrary debug data) do_credentials_test_deletefile($testfile, $posted_settings) */ // Uses job options: Yes // Uses single-array storage: Yes if (!class_exists('UpdraftPlus_BackupModule')) require_once(UPDRAFTPLUS_DIR.'/methods/backup-module.php'); /** * Note that the naming of this class is historical. There is nothing inherent which restricts it to add-ons, or requires add-ons to use it. It is just an abstraction layer that results in needing to write less code for the storage module. */ abstract class UpdraftPlus_RemoteStorage_Addons_Base_v2 extends UpdraftPlus_BackupModule { protected $method; protected $description; protected $options; private $chunked; public function __construct($method, $description, $chunked = true, $test_button = true) { $this->method = $method; $this->description = $description; $this->chunked = $chunked; $this->test_button = $test_button; } /** * download method: takes a file name (base name), and removes it from the cloud storage * * @param string $file specific file for being removed from cloud storage * @return array */ public function download($file) { return $this->download_file(false, $file); } public function backup($backup_array) { return $this->upload_files(null, $backup_array); } public function delete($files, $method_obj = false, $sizeinfo = array()) { return $this->delete_files(false, $files, $method_obj, $sizeinfo); } protected function required_configuration_keys() { } public function upload_files($ret, $backup_array) {// phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found global $updraftplus; $this->options = $this->get_options(); if (!$this->options_exist($this->options)) { $this->log('No settings were found'); $this->log(sprintf(__('No %s settings were found', 'updraftplus'), $this->description), 'error'); return false; } $storage = $this->bootstrap(); if (is_wp_error($storage)) return $updraftplus->log_wp_error($storage, false, true); $this->set_storage($storage); $updraft_dir = trailingslashit($updraftplus->backups_dir_location()); foreach ($backup_array as $file) { $this->log("upload ".((!empty($this->options['ownername'])) ? '(account owner: '.$this->options['ownername'].')' : '').": attempt: $file"); try { if ($this->do_upload($file, $updraft_dir.$file)) { $updraftplus->uploaded_file($file); } else { $any_failures = true; $this->log('ERROR: Failed to upload file: '.$file); $this->log(__('Error', 'updraftplus').': '.$this->description.': '.sprintf(__('Failed to upload %s', 'updraftplus'), $file), 'error'); } } catch (Exception $e) { $any_failures = true; $this->log('ERROR ('.get_class($e).'): '.$file.': Failed to upload file: '.$e->getMessage().' (code: '.$e->getCode().', line: '.$e->getLine().', file: '.$e->getFile().')'); $this->log(__('Error', 'updraftplus').': '.$this->description.': '.sprintf(__('Failed to upload %s', 'updraftplus'), $file), 'error'); } } return (!empty($any_failures)) ? null : true; } public function listfiles($match = 'backup_') { try { if (!method_exists($this, 'do_listfiles')) { return new WP_Error('no_listing', 'This remote storage method does not support file listing'); } $this->options = $this->get_options(); if (!$this->options_exist($this->options)) return new WP_Error('no_settings', sprintf(__('No %s settings were found', 'updraftplus'), $this->description)); $storage = $this->bootstrap(); if (is_wp_error($storage)) return $storage; return $this->do_listfiles($match); } catch (Exception $e) { $this->log('ERROR: Failed to list files: '.$e->getMessage().' (code: '.$e->getCode().', line: '.$e->getLine().', file: '.$e->getFile().')'); return new WP_Error('list_failed', $this->description.': '.__('failed to list files', 'updraftplus')); } } /** * This function handles bootstrapping and calling the remote methods delete function * * @param boolean $ret - A boolean value * @param array $files - An array of files to delete. * @param boolean $ignore_it - unused parameter * * @return - On success returns true, false or WordPress Error on failure */ public function delete_files($ret, $files, $ignore_it = false) {// phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found global $updraftplus; if (is_string($files)) $files = array($files); if (empty($files)) return true; if (!method_exists($this, 'do_delete')) { $this->log("Delete failed: this storage method does not allow deletions"); return false; } $storage = $this->get_storage(); if (empty($storage)) { $this->options = $this->get_options(); if (!$this->options_exist($this->options)) { $this->log('No settings were found'); $this->log(sprintf(__('No %s settings were found', 'updraftplus'), $this->description), 'error'); return false; } $storage = $this->bootstrap(); if (is_wp_error($storage)) return $storage; } $ret = true; if ($this->supports_feature('multi_delete')) { $updraftplus->log("Delete remote files: ".implode($files)); try { $responses = $this->do_delete($files); if (is_array($responses)) { foreach ($responses as $key => $response) { if ('success' == $response) { $updraftplus->log("$files[$key]: Delete succeeded"); } elseif (is_array($response)) { $ret = false; if (isset($response['error']) && isset($response['error']['code']) && isset($response['error']['message'])) { $updraftplus->log("Delete failed for file: $files[$key] with error code: ".$response['error']['code']." message: ".$response['error']['message']); } else { $updraftplus->log("Delete failed for file: $files[$key]"); } } } } elseif (!$responses) { $ret = false; $updraftplus->log("Delete failed for files: ".implode($files)); } } catch (Exception $e) { $updraftplus->log('ERROR:'.implode($files).': Failed to delete files: '.$e->getMessage().' (code: '.$e->getCode().', line: '.$e->getLine().', file: '.$e->getFile().')'); $ret = false; } return $ret; } foreach ($files as $file) { $this->log("Delete remote: $file"); try { $ret = $this->do_delete($file); if (true === $ret) { $this->log("$file: Delete succeeded"); } else { $this->log("Delete failed"); } } catch (Exception $e) { $this->log('ERROR: '.$file.': Failed to delete file: '.$e->getMessage().' (code: '.$e->getCode().', line: '.$e->getLine().', file: '.$e->getFile().')'); $ret = false; } } return $ret; } public function download_file($ret, $files) { global $updraftplus; if (is_string($files)) $files = array($files); if (empty($files)) return true; if (!method_exists($this, 'do_download')) { $this->log("Download failed: this storage method does not allow downloading"); $this->log(__('This storage method does not allow downloading', 'updraftplus'), 'error'); return false; } $this->options = $this->get_options(); if (!$this->options_exist($this->options)) { $this->log('No settings were found'); $this->log(sprintf(__('No %s settings were found', 'updraftplus'), $this->description), 'error'); return false; } try { $storage = $this->bootstrap(); if (is_wp_error($storage)) return $updraftplus->log_wp_error($storage, false, true); } catch (Exception $e) { $ret = false; $this->log('ERROR: '.$files[0].': Failed to download file: '.$e->getMessage().' (code: '.$e->getCode().', line: '.$e->getLine().', file: '.$e->getFile().')'); $this->log(__('Error', 'updraftplus').': '.$this->description.': '.sprintf(__('Failed to download %s', 'updraftplus'), $files[0]), 'error'); } $ret = true; $updraft_dir = untrailingslashit($updraftplus->backups_dir_location()); foreach ($files as $file) { try { $fullpath = $updraft_dir.'/'.$file; $start_offset = file_exists($fullpath) ? filesize($fullpath) : 0; if (false == $this->do_download($file, $fullpath, $start_offset)) { $ret = false; $this->log("error: failed to download: $file"); $this->log("$file: ".sprintf(__("%s Error", 'updraftplus'), $this->description).": ".__('Failed to download', 'updraftplus'), 'error'); } } catch (Exception $e) { $ret = false; $this->log('ERROR: '.$file.': Failed to download file: '.$e->getMessage().' (code: '.$e->getCode().', line: '.$e->getLine().', file: '.$e->getFile().')'); $this->log(__('Error', 'updraftplus').': '.$this->description.': '.sprintf(__('Failed to download %s', 'updraftplus'), $file), 'error'); } } return $ret; } /** * Get the configuration template * * @return String - the template, ready for substitutions to be carried out */ public function get_configuration_template() { $template_str = ''; if (method_exists($this, 'do_get_configuration_template')) { $template_str .= $this->do_get_configuration_template(); } if (!$this->test_button || (method_exists($this, 'should_print_test_button') && !$this->should_print_test_button())) return $template_str; $template_str .= $this->get_test_button_html($this->description); return $template_str; } /** * Modifies handerbar template options * * @param array $opts * @return array - Modified handerbar template options */ public function transform_options_for_template($opts) { if (method_exists($this, 'do_transform_options_for_template')) { $opts = $this->do_transform_options_for_template($opts); } return $opts; } public function config_print_javascript_onready() { $this->do_config_javascript(); } protected function do_config_javascript() { } /** * Analyse the passed-in options to indicate whether something is configured or not. * * @param Array $opts - options to examine * * @return Boolean */ public function options_exist($opts) { if (is_array($opts) && !empty($opts)) return true; return false; } public function bootstrap($opts = false, $connect = true) { if (false === $opts) $opts = $this->options; $storage = $this->get_storage(); // Be careful of checking empty($opts) here - some storage methods may have no options until the OAuth token has been obtained if ($connect && !$this->options_exist($opts)) return new WP_Error('no_settings', sprintf(__('No %s settings were found', 'updraftplus'), $this->description)); if (!empty($storage) && !is_wp_error($storage)) return $storage; return $this->do_bootstrap($opts, $connect); } /** * Run a credentials test. Output can be echoed. * * @param Array $posted_settings - settings to use * * @return Mixed - any data to return (gets logged in the browser eventually) */ public function credentials_test($posted_settings) { $required_test_parameters = $this->get_credentials_test_required_parameters(); foreach ($required_test_parameters as $param => $descrip) { if (empty($posted_settings[$param])) { printf(__("Failure: No %s was given.", 'updraftplus'), $descrip)."\n"; return; } } $storage = $this->bootstrap($posted_settings); if (is_wp_error($storage)) { echo __("Failed", 'updraftplus').": "; foreach ($storage->get_error_messages() as $key => $msg) { echo "$msg\n"; } return; } $testfile = md5(time().rand()).'.txt'; $test_results = $this->do_credentials_test($testfile, $posted_settings); $data = (is_array($test_results) && isset($test_results['data'])) ? $test_results['data'] : null; if ((is_array($test_results) && $test_results['result']) || (!is_array($test_results) && $test_results)) { _e('Success', 'updraftplus'); $this->do_credentials_test_deletefile($testfile, $posted_settings); } else { _e("Failed: We were not able to place a file in that directory - please check your credentials.", 'updraftplus'); } return $data; } }
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