296 lines
12 KiB
PHP
296 lines
12 KiB
PHP
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<?php
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/**
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* @file
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*/
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use Drupal\Core\File\Exception\FileException;
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use Drupal\Core\File\Exception\InvalidStreamWrapperException;
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use Drupal\Core\File\FileExists;
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use Drupal\Core\Hook\Attribute\ProceduralHookScanStop;
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use Psr\Http\Client\ClientExceptionInterface;
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/**
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* Checks for file transfer backends and prepares a form fragment about them.
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*
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* @param array $form
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* Reference to the form array we're building.
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* @param string $operation
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* The update manager operation we're in the middle of. Can be either 'update'
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* or 'install'. Use to provide operation-specific interface text.
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*
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* @return bool
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* TRUE if the update manager should continue to the next step in the
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* workflow, or FALSE if we've hit a fatal configuration and must halt the
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* workflow.
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*/
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#[ProceduralHookScanStop]
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function _update_manager_check_backends(&$form, $operation) {
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@trigger_error(__FUNCTION__ . '() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no replacement. Use composer to manage the code for your site. See https://www.drupal.org/node/3512364', E_USER_DEPRECATED);
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// If file transfers will be performed locally, we do not need to display any
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// warnings or notices to the user and should automatically continue the
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// workflow, since we won't be using a FileTransfer backend that requires
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// user input or a specific server configuration.
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if (update_manager_local_transfers_allowed()) {
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return TRUE;
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}
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// Otherwise, show the available backends.
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$form['available_backends'] = [
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'#prefix' => '<p>',
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'#suffix' => '</p>',
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];
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$available_backends = drupal_get_filetransfer_info();
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if (empty($available_backends)) {
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if ($operation == 'update') {
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$form['available_backends']['#markup'] = t('Your server does not support updating modules and themes from this interface. Instead, update modules and themes by uploading the new versions directly to the server, as documented in <a href=":doc_url">Extending Drupal</a>.', [':doc_url' => 'https://www.drupal.org/docs/extending-drupal/overview']);
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}
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else {
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$form['available_backends']['#markup'] = t('Your server does not support adding modules and themes from this interface. Instead, add modules and themes by uploading them directly to the server, as documented in <a href=":doc_url">Extending Drupal</a>.', [':doc_url' => 'https://www.drupal.org/docs/extending-drupal/overview']);
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}
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return FALSE;
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}
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$backend_names = [];
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foreach ($available_backends as $backend) {
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$backend_names[] = $backend['title'];
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}
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if ($operation == 'update') {
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$form['available_backends']['#markup'] = \Drupal::translation()->formatPlural(
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count($available_backends),
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'Updating modules and themes requires <strong>@backends access</strong> to your server. See <a href=":doc_url">Extending Drupal</a> for other update methods.',
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'Updating modules and themes requires access to your server via one of the following methods: <strong>@backends</strong>. See <a href=":doc_url">Extending Drupal</a> for other update methods.',
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[
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'@backends' => implode(', ', $backend_names),
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':doc_url' => 'https://www.drupal.org/docs/extending-drupal/overview',
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]);
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}
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else {
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$form['available_backends']['#markup'] = \Drupal::translation()->formatPlural(
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count($available_backends),
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'Adding modules and themes requires <strong>@backends access</strong> to your server. See <a href=":doc_url">Extending Drupal</a> for other methods.',
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'Adding modules and themes requires access to your server via one of the following methods: <strong>@backends</strong>. See <a href=":doc_url">Extending Drupal</a> for other methods.',
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[
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'@backends' => implode(', ', $backend_names),
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':doc_url' => 'https://www.drupal.org/docs/extending-drupal/overview',
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]);
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}
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return TRUE;
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}
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/**
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* Unpacks a downloaded archive file.
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*
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* @param string $file
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* The filename of the archive you wish to extract.
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* @param string $directory
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* The directory you wish to extract the archive into.
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*
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* @return \Drupal\Core\Archiver\ArchiverInterface
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* The Archiver object used to extract the archive.
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*
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* @throws Exception
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*/
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function update_manager_archive_extract($file, $directory) {
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@trigger_error(__FUNCTION__ . '() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no replacement. Use composer to manage the code for your site. See https://www.drupal.org/node/3512364', E_USER_DEPRECATED);
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/** @var \Drupal\Core\Archiver\ArchiverInterface $archiver */
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$archiver = \Drupal::service('plugin.manager.archiver')->getInstance([
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'filepath' => $file,
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]);
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if (!$archiver) {
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throw new Exception("Cannot extract '$file', not a valid archive");
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}
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// Remove the directory if it exists, otherwise it might contain a mixture of
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// old files mixed with the new files (e.g. in cases where files were removed
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// from a later release).
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$files = $archiver->listContents();
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// Unfortunately, we can only use the directory name to determine the project
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// name. Some archivers list the first file as the directory (i.e., MODULE/)
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// and others list an actual file (i.e., MODULE/README.TXT).
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$project = strtok($files[0], '/\\');
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$extract_location = $directory . '/' . $project;
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if (file_exists($extract_location)) {
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try {
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\Drupal::service('file_system')->deleteRecursive($extract_location);
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}
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catch (FileException) {
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// Ignore failed deletes.
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}
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}
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$archiver->extract($directory);
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return $archiver;
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}
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/**
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* Verifies an archive after it has been downloaded and extracted.
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*
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* This function is responsible for invoking hook_verify_update_archive().
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*
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* @param string $project
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* The short name of the project to download.
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* @param string $archive_file
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* The filename of the un-extracted archive.
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* @param string $directory
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* The directory that the archive was extracted into.
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*
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* @return array
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* An array of error messages to display if the archive was invalid. If there
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* are no errors, it will be an empty array.
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*/
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function update_manager_archive_verify($project, $archive_file, $directory) {
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@trigger_error(__FUNCTION__ . '() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no replacement. Use composer to manage the code for your site. See https://www.drupal.org/node/3512364', E_USER_DEPRECATED);
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return \Drupal::moduleHandler()->invokeAllDeprecated('There is no replacement. Use composer to manage the code for your site. See https://www.drupal.org/node/3512364', 'verify_update_archive', [$project, $archive_file, $directory]);
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}
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/**
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* Copies a file from the specified URL to the temporary directory for updates.
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*
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* Returns the local path if the file has already been downloaded.
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*
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* @param string $url
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* The URL of the file on the server.
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*
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* @return string|false
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* Path to local file, or FALSE if it could not be retrieved.
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*/
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function update_manager_file_get($url) {
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@trigger_error(__FUNCTION__ . '() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no replacement. Use composer to manage the code for your site. See https://www.drupal.org/node/3512364', E_USER_DEPRECATED);
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$parsed_url = parse_url($url);
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$remote_schemes = ['http', 'https', 'ftp', 'ftps', 'smb', 'nfs'];
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if (!isset($parsed_url['scheme']) || !in_array($parsed_url['scheme'], $remote_schemes)) {
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// This is a local file, just return the path.
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return \Drupal::service('file_system')->realpath($url);
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}
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// Check the cache and download the file if needed.
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// @phpstan-ignore function.deprecated
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$cache_directory = _update_manager_cache_directory();
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$local = $cache_directory . '/' . \Drupal::service('file_system')->basename($parsed_url['path']);
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// @phpstan-ignore function.deprecated
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if (!file_exists($local) || update_delete_file_if_stale($local)) {
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try {
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$data = (string) \Drupal::httpClient()->get($url)->getBody();
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return \Drupal::service('file_system')->saveData($data, $local, FileExists::Replace);
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}
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catch (ClientExceptionInterface $exception) {
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\Drupal::messenger()->addError(t('Failed to fetch file due to error "%error"', ['%error' => $exception->getMessage()]));
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}
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catch (FileException | InvalidStreamWrapperException $e) {
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\Drupal::messenger()->addError(t('Failed to save file due to error "%error"', ['%error' => $e->getMessage()]));
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}
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return FALSE;
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}
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else {
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return $local;
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}
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}
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/**
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* Implements callback_batch_operation().
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*
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* Downloads, unpacks, and verifies a project.
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*
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* This function assumes that the provided URL points to a file archive of some
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* sort. The URL can have any scheme that we have a file stream wrapper to
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* support. The file is downloaded to a local cache.
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*
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* @param string $project
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* The short name of the project to download.
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* @param string $url
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* The URL to download a specific project release archive file.
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* @param array $context
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* Reference to an array used for Batch API storage.
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*
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* @see update_manager_download_page()
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*/
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function update_manager_batch_project_get($project, $url, &$context): void {
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@trigger_error(__FUNCTION__ . '() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no replacement. Use composer to manage the code for your site. See https://www.drupal.org/node/3512364', E_USER_DEPRECATED);
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// This is here to show the user that we are in the process of downloading.
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if (!isset($context['sandbox']['started'])) {
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$context['sandbox']['started'] = TRUE;
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$context['message'] = t('Downloading %project', ['%project' => $project]);
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$context['finished'] = 0;
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return;
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}
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// Actually try to download the file.
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if (!($local_cache = update_manager_file_get($url))) {
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$context['results']['errors'][$project] = t('Failed to download %project from %url', ['%project' => $project, '%url' => $url]);
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return;
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}
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// Extract it.
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// @phpstan-ignore function.deprecated
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$extract_directory = _update_manager_extract_directory();
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try {
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update_manager_archive_extract($local_cache, $extract_directory);
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}
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catch (Exception $e) {
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$context['results']['errors'][$project] = $e->getMessage();
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return;
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}
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// Verify it.
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$archive_errors = update_manager_archive_verify($project, $local_cache, $extract_directory);
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if (!empty($archive_errors)) {
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// We just need to make sure our array keys don't collide, so use the
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// numeric keys from the $archive_errors array.
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foreach ($archive_errors as $key => $error) {
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$context['results']['errors']["$project-$key"] = $error;
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}
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return;
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}
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// Yay, success.
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$context['results']['projects'][$project] = $url;
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$context['finished'] = 1;
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}
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/**
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* Determines if file transfers will be performed locally.
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*
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* If the server is configured such that webserver-created files have the same
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* owner as the configuration directory (e.g., sites/default) where new code
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* will eventually be installed, the update manager can transfer files entirely
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* locally, without changing their ownership (in other words, without prompting
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* the user for FTP, SSH or other credentials).
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*
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* This server configuration is an inherent security weakness because it allows
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* a malicious webserver process to append arbitrary PHP code and then execute
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* it. However, it is supported here because it is a common configuration on
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* shared hosting, and there is nothing Drupal can do to prevent it.
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*
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* @return bool
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* TRUE if local file transfers are allowed on this server, or FALSE if not.
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*
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* @see install_check_requirements()
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*/
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function update_manager_local_transfers_allowed() {
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@trigger_error(__FUNCTION__ . '() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no replacement. Use composer to manage the code for your site. See https://www.drupal.org/node/3512364', E_USER_DEPRECATED);
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$file_system = \Drupal::service('file_system');
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// Compare the owner of a webserver-created temporary file to the owner of
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// the configuration directory to determine if local transfers will be
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// allowed.
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$temporary_file = \Drupal::service('file_system')->tempnam('temporary://', 'update_');
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$site_path = \Drupal::getContainer()->getParameter('site.path');
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$local_transfers_allowed = fileowner($temporary_file) === fileowner($site_path);
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// Clean up. If this fails, we can ignore it (since this is just a temporary
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// file anyway).
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@$file_system->unlink($temporary_file);
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return $local_transfers_allowed;
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}
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