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<?php declare(strict_types=1);
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Repository;
use Composer\Json\JsonFile;
use Composer\Package\Loader\ArrayLoader;
use Composer\Package\PackageInterface;
use Composer\Package\RootAliasPackage;
use Composer\Package\RootPackageInterface;
use Composer\Package\AliasPackage;
use Composer\Package\Dumper\ArrayDumper;
use Composer\Installer\InstallationManager;
use Composer\Pcre\Preg;
use Composer\Util\Filesystem;
use Composer\Util\Platform;
/**
* Filesystem repository.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class FilesystemRepository extends WritableArrayRepository
{
/** @var JsonFile */
protected $file;
/** @var bool */
private $dumpVersions;
/** @var ?RootPackageInterface */
private $rootPackage;
/** @var Filesystem */
private $filesystem;
/** @var bool|null */
private $devMode = null;
/**
* Initializes filesystem repository.
*
* @param JsonFile $repositoryFile repository json file
* @param ?RootPackageInterface $rootPackage Must be provided if $dumpVersions is true
*/
public function __construct(JsonFile $repositoryFile, bool $dumpVersions = false, ?RootPackageInterface $rootPackage = null, ?Filesystem $filesystem = null)
{
parent::__construct();
$this->file = $repositoryFile;
$this->dumpVersions = $dumpVersions;
$this->rootPackage = $rootPackage;
$this->filesystem = $filesystem ?: new Filesystem;
if ($dumpVersions && !$rootPackage) {
throw new \InvalidArgumentException('Expected a root package instance if $dumpVersions is true');
}
}
/**
* @return bool|null true if dev requirements were installed, false if --no-dev was used, null if yet unknown
*/
public function getDevMode()
{
return $this->devMode;
}
/**
* Initializes repository (reads file, or remote address).
*/
protected function initialize()
{
parent::initialize();
if (!$this->file->exists()) {
return;
}
try {
$data = $this->file->read();
if (isset($data['packages'])) {
$packages = $data['packages'];
} else {
$packages = $data;
}
if (isset($data['dev-package-names'])) {
$this->setDevPackageNames($data['dev-package-names']);
}
if (isset($data['dev'])) {
$this->devMode = $data['dev'];
}
if (!is_array($packages)) {
throw new \UnexpectedValueException('Could not parse package list from the repository');
}
} catch (\Exception $e) {
throw new InvalidRepositoryException('Invalid repository data in '.$this->file->getPath().', packages could not be loaded: ['.get_class($e).'] '.$e->getMessage());
}
$loader = new ArrayLoader(null, true);
foreach ($packages as $packageData) {
$package = $loader->load($packageData);
$this->addPackage($package);
}
}
public function reload()
{
$this->packages = null;
$this->initialize();
}
/**
* Writes writable repository.
*/
public function write(bool $devMode, InstallationManager $installationManager)
{
$data = ['packages' => [], 'dev' => $devMode, 'dev-package-names' => []];
$dumper = new ArrayDumper();
// make sure the directory is created so we can realpath it
// as realpath() does some additional normalizations with network paths that normalizePath does not
// and we need to find shortest path correctly
$repoDir = dirname($this->file->getPath());
$this->filesystem->ensureDirectoryExists($repoDir);
$repoDir = $this->filesystem->normalizePath(realpath($repoDir));
$installPaths = [];
foreach ($this->getCanonicalPackages() as $package) {
$pkgArray = $dumper->dump($package);
$path = $installationManager->getInstallPath($package);
$installPath = null;
if ('' !== $path && null !== $path) {
$normalizedPath = $this->filesystem->normalizePath($this->filesystem->isAbsolutePath($path) ? $path : Platform::getCwd() . '/' . $path);
$installPath = $this->filesystem->findShortestPath($repoDir, $normalizedPath, true);
}
$installPaths[$package->getName()] = $installPath;
$pkgArray['install-path'] = $installPath;
$data['packages'][] = $pkgArray;
// only write to the files the names which are really installed, as we receive the full list
// of dev package names before they get installed during composer install
if (in_array($package->getName(), $this->devPackageNames, true)) {
$data['dev-package-names'][] = $package->getName();
}
}
sort($data['dev-package-names']);
usort($data['packages'], static function ($a, $b): int {
return strcmp($a['name'], $b['name']);
});
$this->file->write($data);
if ($this->dumpVersions) {
$versions = $this->generateInstalledVersions($installationManager, $installPaths, $devMode, $repoDir);
$this->filesystem->filePutContentsIfModified($repoDir.'/installed.php', '<?php return ' . $this->dumpToPhpCode($versions) . ';'."\n");
$installedVersionsClass = file_get_contents(__DIR__.'/../InstalledVersions.php');
// this normally should not happen but during upgrades of Composer when it is installed in the project it is a possibility
if ($installedVersionsClass !== false) {
$this->filesystem->filePutContentsIfModified($repoDir.'/InstalledVersions.php', $installedVersionsClass);
\Composer\InstalledVersions::reload($versions);
}
}
}
/**
* As we load the file from vendor dir during bootstrap, we need to make sure it contains only expected code before executing it
*
* @internal
*/
public static function safelyLoadInstalledVersions(string $path): bool
{
$installedVersionsData = @file_get_contents($path);
$pattern = <<<'REGEX'
{(?(DEFINE)
(?<number> -? \s*+ \d++ (?:\.\d++)? )
(?<boolean> true | false | null )
(?<strings> (?&string) (?: \s*+ \. \s*+ (?&string))*+ )
(?<string> (?: " (?:[^"\\$]*+ | \\ ["\\0] )* " | ' (?:[^'\\]*+ | \\ ['\\] )* ' ) )
(?<array> array\( \s*+ (?: (?:(?&number)|(?&strings)) \s*+ => \s*+ (?: (?:__DIR__ \s*+ \. \s*+)? (?&strings) | (?&value) ) \s*+, \s*+ )*+ \s*+ \) )
(?<value> (?: (?&number) | (?&boolean) | (?&strings) | (?&array) ) )
)
^<\?php\s++return\s++(?&array)\s*+;$}ix
REGEX;
if (is_string($installedVersionsData) && Preg::isMatch($pattern, trim($installedVersionsData))) {
\Composer\InstalledVersions::reload(eval('?>'.Preg::replace('{=>\s*+__DIR__\s*+\.\s*+([\'"])}', '=> '.var_export(dirname($path), true).' . $1', $installedVersionsData)));
return true;
}
return false;
}
/**
* @param array<mixed> $array
*/
private function dumpToPhpCode(array $array = [], int $level = 0): string
{
$lines = "array(\n";
$level++;
foreach ($array as $key => $value) {
$lines .= str_repeat(' ', $level);
$lines .= is_int($key) ? $key . ' => ' : var_export($key, true) . ' => ';
if (is_array($value)) {
if (!empty($value)) {
$lines .= $this->dumpToPhpCode($value, $level);
} else {
$lines .= "array(),\n";
}
} elseif ($key === 'install_path' && is_string($value)) {
if ($this->filesystem->isAbsolutePath($value)) {
$lines .= var_export($value, true) . ",\n";
} else {
$lines .= "__DIR__ . " . var_export('/' . $value, true) . ",\n";
}
} elseif (is_string($value)) {
$lines .= var_export($value, true) . ",\n";
} elseif (is_bool($value)) {
$lines .= ($value ? 'true' : 'false') . ",\n";
} elseif (is_null($value)) {
$lines .= "null,\n";
} else {
throw new \UnexpectedValueException('Unexpected type '.gettype($value));
}
}
$lines .= str_repeat(' ', $level - 1) . ')' . ($level - 1 === 0 ? '' : ",\n");
return $lines;
}
/**
* @param array<string, string> $installPaths
*
* @return array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}
*/
private function generateInstalledVersions(InstallationManager $installationManager, array $installPaths, bool $devMode, string $repoDir): array
{
$devPackages = array_flip($this->devPackageNames);
$packages = $this->getPackages();
if (null === $this->rootPackage) {
throw new \LogicException('It should not be possible to dump packages if no root package is given');
}
$packages[] = $rootPackage = $this->rootPackage;
while ($rootPackage instanceof RootAliasPackage) {
$rootPackage = $rootPackage->getAliasOf();
$packages[] = $rootPackage;
}
$versions = [
'root' => $this->dumpRootPackage($rootPackage, $installPaths, $devMode, $repoDir, $devPackages),
'versions' => [],
];
// add real installed packages
foreach ($packages as $package) {
if ($package instanceof AliasPackage) {
continue;
}
$versions['versions'][$package->getName()] = $this->dumpInstalledPackage($package, $installPaths, $repoDir, $devPackages);
}
// add provided/replaced packages
foreach ($packages as $package) {
$isDevPackage = isset($devPackages[$package->getName()]);
foreach ($package->getReplaces() as $replace) {
// exclude platform replaces as when they are really there we can not check for their presence
if (PlatformRepository::isPlatformPackage($replace->getTarget())) {
continue;
}
if (!isset($versions['versions'][$replace->getTarget()]['dev_requirement'])) {
$versions['versions'][$replace->getTarget()]['dev_requirement'] = $isDevPackage;
} elseif (!$isDevPackage) {
$versions['versions'][$replace->getTarget()]['dev_requirement'] = false;
}
$replaced = $replace->getPrettyConstraint();
if ($replaced === 'self.version') {
$replaced = $package->getPrettyVersion();
}
if (!isset($versions['versions'][$replace->getTarget()]['replaced']) || !in_array($replaced, $versions['versions'][$replace->getTarget()]['replaced'], true)) {
$versions['versions'][$replace->getTarget()]['replaced'][] = $replaced;
}
}
foreach ($package->getProvides() as $provide) {
// exclude platform provides as when they are really there we can not check for their presence
if (PlatformRepository::isPlatformPackage($provide->getTarget())) {
continue;
}
if (!isset($versions['versions'][$provide->getTarget()]['dev_requirement'])) {
$versions['versions'][$provide->getTarget()]['dev_requirement'] = $isDevPackage;
} elseif (!$isDevPackage) {
$versions['versions'][$provide->getTarget()]['dev_requirement'] = false;
}
$provided = $provide->getPrettyConstraint();
if ($provided === 'self.version') {
$provided = $package->getPrettyVersion();
}
if (!isset($versions['versions'][$provide->getTarget()]['provided']) || !in_array($provided, $versions['versions'][$provide->getTarget()]['provided'], true)) {
$versions['versions'][$provide->getTarget()]['provided'][] = $provided;
}
}
}
// add aliases
foreach ($packages as $package) {
if (!$package instanceof AliasPackage) {
continue;
}
$versions['versions'][$package->getName()]['aliases'][] = $package->getPrettyVersion();
if ($package instanceof RootPackageInterface) {
$versions['root']['aliases'][] = $package->getPrettyVersion();
}
}
ksort($versions['versions']);
ksort($versions);
return $versions;
}
/**
* @param array<string, string> $installPaths
* @param array<string, int> $devPackages
* @return array{pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev_requirement: bool}
*/
private function dumpInstalledPackage(PackageInterface $package, array $installPaths, string $repoDir, array $devPackages): array
{
$reference = null;
if ($package->getInstallationSource()) {
$reference = $package->getInstallationSource() === 'source' ? $package->getSourceReference() : $package->getDistReference();
}
if (null === $reference) {
$reference = ($package->getSourceReference() ?: $package->getDistReference()) ?: null;
}
if ($package instanceof RootPackageInterface) {
$to = $this->filesystem->normalizePath(realpath(Platform::getCwd()));
$installPath = $this->filesystem->findShortestPath($repoDir, $to, true);
} else {
$installPath = $installPaths[$package->getName()];
}
$data = [
'pretty_version' => $package->getPrettyVersion(),
'version' => $package->getVersion(),
'reference' => $reference,
'type' => $package->getType(),
'install_path' => $installPath,
'aliases' => [],
'dev_requirement' => isset($devPackages[$package->getName()]),
];
return $data;
}
/**
* @param array<string, string> $installPaths
* @param array<string, int> $devPackages
* @return array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}
*/
private function dumpRootPackage(RootPackageInterface $package, array $installPaths, bool $devMode, string $repoDir, array $devPackages)
{
$data = $this->dumpInstalledPackage($package, $installPaths, $repoDir, $devPackages);
return [
'name' => $package->getName(),
'pretty_version' => $data['pretty_version'],
'version' => $data['version'],
'reference' => $data['reference'],
'type' => $data['type'],
'install_path' => $data['install_path'],
'aliases' => $data['aliases'],
'dev' => $devMode,
];
}
}