81 lines
2.1 KiB
PHP
81 lines
2.1 KiB
PHP
<?php
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <admin@codeigniter.com>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace CodeIgniter\HotReloader;
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use CodeIgniter\Exceptions\FrameworkException;
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use Config\Toolbar;
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use FilesystemIterator;
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use RecursiveDirectoryIterator;
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use RecursiveIteratorIterator;
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/**
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* @internal
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* @see \CodeIgniter\HotReloader\DirectoryHasherTest
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*/
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final class DirectoryHasher
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{
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/**
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* Generates an md5 value of all directories that are watched by the
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* Hot Reloader, as defined in the Config\Toolbar.
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*
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* This is the current app fingerprint.
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*/
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public function hash(): string
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{
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return md5(implode('', $this->hashApp()));
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}
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/**
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* Generates an array of md5 hashes for all directories that are
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* watched by the Hot Reloader, as defined in the Config\Toolbar.
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*/
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public function hashApp(): array
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{
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$hashes = [];
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$watchedDirectories = config(Toolbar::class)->watchedDirectories;
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foreach ($watchedDirectories as $directory) {
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if (is_dir(ROOTPATH . $directory)) {
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$hashes[$directory] = $this->hashDirectory(ROOTPATH . $directory);
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}
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}
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return array_unique(array_filter($hashes));
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}
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/**
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* Generates an md5 hash of a given directory and all of its files
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* that match the watched extensions defined in Config\Toolbar.
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*/
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public function hashDirectory(string $path): string
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{
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if (! is_dir($path)) {
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throw FrameworkException::forInvalidDirectory($path);
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}
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$directory = new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS);
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$filter = new IteratorFilter($directory);
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$iterator = new RecursiveIteratorIterator($filter);
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$hashes = [];
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foreach ($iterator as $file) {
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if ($file->isFile()) {
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$hashes[] = md5_file($file->getRealPath());
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}
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}
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return md5(implode('', $hashes));
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}
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}
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